configure.ac revision 5ebee9ea01fb2ac4dab4bbe577363c23e192f362
1dnl === configure.ac --------------------------------------------------------=== 2dnl The LLVM Compiler Infrastructure 3dnl 4dnl This file is distributed under the University of Illinois Open Source 5dnl License. See LICENSE.TXT for details. 6dnl 7dnl===-----------------------------------------------------------------------=== 8dnl This is the LLVM configuration script. It is processed by the autoconf 9dnl program to produce a script named configure. This script contains the 10dnl configuration checks that LLVM needs in order to support multiple platforms. 11dnl This file is composed of 10 sections per the recommended organization of 12dnl autoconf input defined in the autoconf documentation. As this file evolves, 13dnl please keep the various types of checks within their sections. The sections 14dnl are as follows: 15dnl 16dnl SECTION 1: Initialization & Setup 17dnl SECTION 2: Architecture, target, and host checks 18dnl SECTION 3: Command line arguments for the configure script. 19dnl SECTION 4: Check for programs we need and that they are the right version 20dnl SECTION 5: Check for libraries 21dnl SECTION 6: Check for header files 22dnl SECTION 7: Check for types and structures 23dnl SECTION 8: Check for specific functions needed 24dnl SECTION 9: Additional checks, variables, etc. 25dnl SECTION 10: Specify the output files and generate it 26dnl 27dnl===-----------------------------------------------------------------------=== 28dnl=== 29dnl=== SECTION 1: Initialization & Setup 30dnl=== 31dnl===-----------------------------------------------------------------------=== 32dnl Initialize autoconf and define the package name, version number and 33dnl address for reporting bugs. 34AC_INIT([LLVM],[3.3svn],[http://llvm.org/bugs/]) 35AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API]) 36AC_DEFINE([LLVM_VERSION_MINOR], [3], [Minor version of the LLVM API]) 37 38dnl Provide a copyright substitution and ensure the copyright notice is included 39dnl in the output of --version option of the generated configure script. 40AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2013 University of Illinois at Urbana-Champaign."]) 41AC_COPYRIGHT([Copyright (c) 2003-2013 University of Illinois at Urbana-Champaign.]) 42 43dnl Indicate that we require autoconf 2.60 or later. 44AC_PREREQ(2.60) 45 46dnl Verify that the source directory is valid. This makes sure that we are 47dnl configuring LLVM and not some other package (it validates --srcdir argument) 48AC_CONFIG_SRCDIR([lib/IR/Module.cpp]) 49 50dnl Place all of the extra autoconf files into the config subdirectory. Tell 51dnl various tools where the m4 autoconf macros are. 52AC_CONFIG_AUX_DIR([autoconf]) 53 54dnl Quit if the source directory has already been configured. 55dnl NOTE: This relies upon undocumented autoconf behavior. 56if test ${srcdir} != "." ; then 57 if test -f ${srcdir}/include/llvm/Config/config.h ; then 58 AC_MSG_ERROR([Already configured in ${srcdir}]) 59 fi 60fi 61 62dnl We need to check for the compiler up here to avoid anything else 63dnl starting with a different one. 64AC_PROG_CC(clang llvm-gcc gcc) 65AC_PROG_CXX(clang++ llvm-g++ g++) 66AC_PROG_CPP 67 68dnl Configure all of the projects present in our source tree. While we could 69dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a 70dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated. 71dnl Instead we match on the known projects. 72 73dnl 74dnl One tricky part of doing this is that some projects depend upon other 75dnl projects. For example, several projects rely upon the LLVM test suite. 76dnl We want to configure those projects first so that their object trees are 77dnl created before running the configure scripts of projects that depend upon 78dnl them. 79dnl 80 81dnl Several projects use llvm-gcc, so configure that first 82if test -d ${srcdir}/projects/llvm-gcc ; then 83 AC_CONFIG_SUBDIRS([projects/llvm-gcc]) 84fi 85 86dnl Several projects use the LLVM test suite, so configure it next. 87if test -d ${srcdir}/projects/test-suite ; then 88 AC_CONFIG_SUBDIRS([projects/test-suite]) 89fi 90 91dnl llvm-test is the old name of the test-suite, kept here for backwards 92dnl compatibility 93if test -d ${srcdir}/projects/llvm-test ; then 94 AC_CONFIG_SUBDIRS([projects/llvm-test]) 95fi 96 97dnl Some projects use poolalloc; configure that next 98if test -d ${srcdir}/projects/poolalloc ; then 99 AC_CONFIG_SUBDIRS([projects/poolalloc]) 100fi 101 102if test -d ${srcdir}/projects/llvm-poolalloc ; then 103 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) 104fi 105 106dnl Check for all other projects 107for i in `ls ${srcdir}/projects` 108do 109 if test -d ${srcdir}/projects/${i} ; then 110 case ${i} in 111 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;; 112 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;; 113 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;; 114 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);; 115 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;; 116 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;; 117 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;; 118 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;; 119 compiler-rt) ;; 120 llvm-gcc) ;; 121 test-suite) ;; 122 llvm-test) ;; 123 poolalloc) ;; 124 llvm-poolalloc) ;; 125 *) 126 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically]) 127 ;; 128 esac 129 fi 130done 131 132dnl Disable the build of polly, even if it is checked out into tools/polly. 133AC_ARG_ENABLE(polly, 134 AS_HELP_STRING([--enable-polly], 135 [Use polly if available (default is YES)]),, 136 enableval=default) 137case "$enableval" in 138 yes) AC_SUBST(ENABLE_POLLY,[1]) ;; 139 no) AC_SUBST(ENABLE_POLLY,[0]) ;; 140 default) AC_SUBST(ENABLE_POLLY,[1]) ;; 141 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;; 142esac 143 144 145dnl Check if polly is checked out into tools/polly and configure it if 146dnl available. 147if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then 148 AC_SUBST(LLVM_HAS_POLLY,1) 149 AC_CONFIG_SUBDIRS([tools/polly]) 150fi 151 152dnl===-----------------------------------------------------------------------=== 153dnl=== 154dnl=== SECTION 2: Architecture, target, and host checks 155dnl=== 156dnl===-----------------------------------------------------------------------=== 157 158dnl Check the target for which we're compiling and the host that will do the 159dnl compilations. This will tell us which LLVM compiler will be used for 160dnl compiling SSA into object code. This needs to be done early because 161dnl following tests depend on it. 162AC_CANONICAL_TARGET 163 164dnl Determine the platform type and cache its value. This helps us configure 165dnl the System library to the correct build platform. 166AC_CACHE_CHECK([type of operating system we're going to host on], 167 [llvm_cv_os_type], 168[case $host in 169 *-*-aix*) 170 llvm_cv_link_all_option="-Wl,--whole-archive" 171 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 172 llvm_cv_os_type="AIX" 173 llvm_cv_platform_type="Unix" ;; 174 *-*-irix*) 175 llvm_cv_link_all_option="-Wl,--whole-archive" 176 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 177 llvm_cv_os_type="IRIX" 178 llvm_cv_platform_type="Unix" ;; 179 *-*-cygwin*) 180 llvm_cv_link_all_option="-Wl,--whole-archive" 181 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 182 llvm_cv_os_type="Cygwin" 183 llvm_cv_platform_type="Unix" ;; 184 *-*-darwin*) 185 llvm_cv_link_all_option="-Wl,-all_load" 186 llvm_cv_no_link_all_option="-Wl,-noall_load" 187 llvm_cv_os_type="Darwin" 188 llvm_cv_platform_type="Unix" ;; 189 *-*-minix*) 190 llvm_cv_link_all_option="-Wl,-all_load" 191 llvm_cv_no_link_all_option="-Wl,-noall_load" 192 llvm_cv_os_type="Minix" 193 llvm_cv_platform_type="Unix" ;; 194 *-*-freebsd* | *-*-kfreebsd-gnu) 195 llvm_cv_link_all_option="-Wl,--whole-archive" 196 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 197 llvm_cv_os_type="FreeBSD" 198 llvm_cv_platform_type="Unix" ;; 199 *-*-openbsd*) 200 llvm_cv_link_all_option="-Wl,--whole-archive" 201 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 202 llvm_cv_os_type="OpenBSD" 203 llvm_cv_platform_type="Unix" ;; 204 *-*-netbsd*) 205 llvm_cv_link_all_option="-Wl,--whole-archive" 206 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 207 llvm_cv_os_type="NetBSD" 208 llvm_cv_platform_type="Unix" ;; 209 *-*-dragonfly*) 210 llvm_cv_link_all_option="-Wl,--whole-archive" 211 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 212 llvm_cv_os_type="DragonFly" 213 llvm_cv_platform_type="Unix" ;; 214 *-*-hpux*) 215 llvm_cv_link_all_option="-Wl,--whole-archive" 216 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 217 llvm_cv_os_type="HP-UX" 218 llvm_cv_platform_type="Unix" ;; 219 *-*-interix*) 220 llvm_cv_link_all_option="-Wl,--whole-archive" 221 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 222 llvm_cv_os_type="Interix" 223 llvm_cv_platform_type="Unix" ;; 224 *-*-linux*) 225 llvm_cv_link_all_option="-Wl,--whole-archive" 226 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 227 llvm_cv_os_type="Linux" 228 llvm_cv_platform_type="Unix" ;; 229 *-*-gnu*) 230 llvm_cv_link_all_option="-Wl,--whole-archive" 231 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 232 llvm_cv_os_type="GNU" 233 llvm_cv_platform_type="Unix" ;; 234 *-*-solaris*) 235 llvm_cv_link_all_option="-Wl,-z,allextract" 236 llvm_cv_no_link_all_option="-Wl,-z,defaultextract" 237 llvm_cv_os_type="SunOS" 238 llvm_cv_platform_type="Unix" ;; 239 *-*-auroraux*) 240 llvm_cv_link_all_option="-Wl,-z,allextract" 241 llvm_cv_link_all_option="-Wl,-z,defaultextract" 242 llvm_cv_os_type="AuroraUX" 243 llvm_cv_platform_type="Unix" ;; 244 *-*-win32*) 245 llvm_cv_link_all_option="-Wl,--whole-archive" 246 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 247 llvm_cv_os_type="Win32" 248 llvm_cv_platform_type="Win32" ;; 249 *-*-mingw*) 250 llvm_cv_link_all_option="-Wl,--whole-archive" 251 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 252 llvm_cv_os_type="MingW" 253 llvm_cv_platform_type="Win32" ;; 254 *-*-haiku*) 255 llvm_cv_link_all_option="-Wl,--whole-archive" 256 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 257 llvm_cv_os_type="Haiku" 258 llvm_cv_platform_type="Unix" ;; 259 *-unknown-eabi*) 260 llvm_cv_link_all_option="-Wl,--whole-archive" 261 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 262 llvm_cv_os_type="Freestanding" 263 llvm_cv_platform_type="Unix" ;; 264 *-unknown-elf*) 265 llvm_cv_link_all_option="-Wl,--whole-archive" 266 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 267 llvm_cv_os_type="Freestanding" 268 llvm_cv_platform_type="Unix" ;; 269 *) 270 llvm_cv_link_all_option="" 271 llvm_cv_no_link_all_option="" 272 llvm_cv_os_type="Unknown" 273 llvm_cv_platform_type="Unknown" ;; 274esac]) 275 276AC_CACHE_CHECK([type of operating system we're going to target], 277 [llvm_cv_target_os_type], 278[case $target in 279 *-*-aix*) 280 llvm_cv_target_os_type="AIX" ;; 281 *-*-irix*) 282 llvm_cv_target_os_type="IRIX" ;; 283 *-*-cygwin*) 284 llvm_cv_target_os_type="Cygwin" ;; 285 *-*-darwin*) 286 llvm_cv_target_os_type="Darwin" ;; 287 *-*-minix*) 288 llvm_cv_target_os_type="Minix" ;; 289 *-*-freebsd* | *-*-kfreebsd-gnu) 290 llvm_cv_target_os_type="FreeBSD" ;; 291 *-*-openbsd*) 292 llvm_cv_target_os_type="OpenBSD" ;; 293 *-*-netbsd*) 294 llvm_cv_target_os_type="NetBSD" ;; 295 *-*-dragonfly*) 296 llvm_cv_target_os_type="DragonFly" ;; 297 *-*-hpux*) 298 llvm_cv_target_os_type="HP-UX" ;; 299 *-*-interix*) 300 llvm_cv_target_os_type="Interix" ;; 301 *-*-linux*) 302 llvm_cv_target_os_type="Linux" ;; 303 *-*-gnu*) 304 llvm_cv_target_os_type="GNU" ;; 305 *-*-solaris*) 306 llvm_cv_target_os_type="SunOS" ;; 307 *-*-auroraux*) 308 llvm_cv_target_os_type="AuroraUX" ;; 309 *-*-win32*) 310 llvm_cv_target_os_type="Win32" ;; 311 *-*-mingw*) 312 llvm_cv_target_os_type="MingW" ;; 313 *-*-haiku*) 314 llvm_cv_target_os_type="Haiku" ;; 315 *-*-rtems*) 316 llvm_cv_target_os_type="RTEMS" ;; 317 *-*-nacl*) 318 llvm_cv_target_os_type="NativeClient" ;; 319 *-unknown-eabi*) 320 llvm_cv_target_os_type="Freestanding" ;; 321 *) 322 llvm_cv_target_os_type="Unknown" ;; 323esac]) 324 325dnl Make sure we aren't attempting to configure for an unknown system 326if test "$llvm_cv_os_type" = "Unknown" ; then 327 AC_MSG_ERROR([Operating system is unknown, configure can't continue]) 328fi 329 330dnl Set the "OS" Makefile variable based on the platform type so the 331dnl makefile can configure itself to specific build hosts 332AC_SUBST(OS,$llvm_cv_os_type) 333AC_SUBST(HOST_OS,$llvm_cv_os_type) 334AC_SUBST(TARGET_OS,$llvm_cv_target_os_type) 335 336dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform 337AC_SUBST(LINKALL,$llvm_cv_link_all_option) 338AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option) 339 340dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type 341dnl This is used by lib/Support to determine the basic kind of implementation 342dnl to use. 343case $llvm_cv_platform_type in 344 Unix) 345 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform]) 346 AC_SUBST(LLVM_ON_UNIX,[1]) 347 AC_SUBST(LLVM_ON_WIN32,[0]) 348 ;; 349 Win32) 350 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform]) 351 AC_SUBST(LLVM_ON_UNIX,[0]) 352 AC_SUBST(LLVM_ON_WIN32,[1]) 353 ;; 354esac 355 356dnl Determine what our target architecture is and configure accordingly. 357dnl This will allow Makefiles to make a distinction between the hardware and 358dnl the OS. 359AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch], 360[case $target in 361 i?86-*) llvm_cv_target_arch="x86" ;; 362 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;; 363 sparc*-*) llvm_cv_target_arch="Sparc" ;; 364 powerpc*-*) llvm_cv_target_arch="PowerPC" ;; 365 arm*-*) llvm_cv_target_arch="ARM" ;; 366 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;; 367 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;; 368 xcore-*) llvm_cv_target_arch="XCore" ;; 369 msp430-*) llvm_cv_target_arch="MSP430" ;; 370 hexagon-*) llvm_cv_target_arch="Hexagon" ;; 371 mblaze-*) llvm_cv_target_arch="MBlaze" ;; 372 nvptx-*) llvm_cv_target_arch="NVPTX" ;; 373 *) llvm_cv_target_arch="Unknown" ;; 374esac]) 375 376if test "$llvm_cv_target_arch" = "Unknown" ; then 377 AC_MSG_WARN([Configuring LLVM for an unknown target archicture]) 378fi 379 380dnl Determine the LLVM native architecture for the target 381case "$llvm_cv_target_arch" in 382 x86) LLVM_NATIVE_ARCH="X86" ;; 383 x86_64) LLVM_NATIVE_ARCH="X86" ;; 384 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;; 385esac 386 387dnl Define a substitution, ARCH, for the target architecture 388AC_SUBST(ARCH,$llvm_cv_target_arch) 389 390dnl Determine what our host architecture. 391dnl This will allow MCJIT regress tests runs only for supported 392dnl platforms. 393case $host in 394 i?86-*) host_arch="x86" ;; 395 amd64-* | x86_64-*) host_arch="x86_64" ;; 396 sparc*-*) host_arch="Sparc" ;; 397 powerpc*-*) host_arch="PowerPC" ;; 398 arm*-*) host_arch="ARM" ;; 399 mips-* | mips64-*) host_arch="Mips" ;; 400 mipsel-* | mips64el-*) host_arch="Mips" ;; 401 xcore-*) host_arch="XCore" ;; 402 msp430-*) host_arch="MSP430" ;; 403 hexagon-*) host_arch="Hexagon" ;; 404 mblaze-*) host_arch="MBlaze" ;; 405 *) host_arch="Unknown" ;; 406esac 407 408if test "$host_arch" = "Unknown" ; then 409 AC_MSG_WARN([Configuring LLVM for an unknown host archicture]) 410fi 411 412AC_SUBST(HOST_ARCH,$host_arch) 413 414dnl Check for the endianness of the target 415AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little])) 416 417dnl Check for build platform executable suffix if we're cross-compiling 418if test "$cross_compiling" = yes; then 419 AC_SUBST(LLVM_CROSS_COMPILING, [1]) 420 AC_BUILD_EXEEXT 421 ac_build_prefix=${build_alias}- 422 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++) 423 if test -z "$BUILD_CXX"; then 424 AC_CHECK_PROG(BUILD_CXX, g++, g++) 425 if test -z "$BUILD_CXX"; then 426 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++) 427 fi 428 fi 429else 430 AC_SUBST(LLVM_CROSS_COMPILING, [0]) 431fi 432 433dnl Check to see if there's a .svn or .git directory indicating that this 434dnl build is being done from a checkout. This sets up several defaults for 435dnl the command line switches. When we build with a checkout directory, 436dnl we get a debug with assertions turned on. Without, we assume a source 437dnl release and we get an optimized build without assertions. 438dnl See --enable-optimized and --enable-assertions below 439if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then 440 cvsbuild="yes" 441 optimize="no" 442 AC_SUBST(CVSBUILD,[[CVSBUILD=1]]) 443else 444 cvsbuild="no" 445 optimize="yes" 446fi 447 448dnl===-----------------------------------------------------------------------=== 449dnl=== 450dnl=== SECTION 3: Command line arguments for the configure script. 451dnl=== 452dnl===-----------------------------------------------------------------------=== 453 454dnl --enable-libcpp : check whether or not to use libc++ on the command line 455AC_ARG_ENABLE(libcpp, 456 AS_HELP_STRING([--enable-libcpp], 457 [Use libc++ if available (default is NO)]),, 458 enableval=default) 459case "$enableval" in 460 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;; 461 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;; 462 default) AC_SUBST(ENABLE_LIBCPP,[0]);; 463 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;; 464esac 465 466dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line 467AC_ARG_ENABLE(cxx11, 468 AS_HELP_STRING([--enable-cxx11], 469 [Use c++11 if available (default is NO)]),, 470 enableval=default) 471case "$enableval" in 472 yes) AC_SUBST(ENABLE_CXX11,[1]) ;; 473 no) AC_SUBST(ENABLE_CXX11,[0]) ;; 474 default) AC_SUBST(ENABLE_CXX11,[0]);; 475 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;; 476esac 477 478dnl --enable-clang-arcmt: check whether to enable clang arcmt 479clang_arcmt="yes" 480AC_ARG_ENABLE(clang-arcmt, 481 AS_HELP_STRING([--enable-clang-arcmt], 482 [Enable building of clang ARCMT (default is YES)]), 483 clang_arcmt="$enableval", 484 enableval="yes") 485case "$enableval" in 486 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;; 487 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;; 488 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);; 489 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;; 490esac 491 492dnl --enable-clang-static-analyzer: check whether to enable static-analyzer 493clang_static_analyzer="yes" 494AC_ARG_ENABLE(clang-static-analyzer, 495 AS_HELP_STRING([--enable-clang-static-analyzer], 496 [Enable building of clang Static Analyzer (default is YES)]), 497 clang_static_analyzer="$enableval", 498 enableval="yes") 499case "$enableval" in 500 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;; 501 no) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0]) ;; 502 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);; 503 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;; 504esac 505 506dnl --enable-clang-rewriter: check whether to enable clang rewriter 507AC_ARG_ENABLE(clang-rewriter, 508 AS_HELP_STRING([--enable-clang-rewriter], 509 [Enable building of clang rewriter (default is YES)]),, 510 enableval="yes") 511case "$enableval" in 512 yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;; 513 no) 514 if test ${clang_arcmt} != "no" ; then 515 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.]) 516 fi 517 if test ${clang_static_analyzer} != "no" ; then 518 AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.]) 519 fi 520 AC_SUBST(ENABLE_CLANG_REWRITER,[0]) 521 ;; 522 default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);; 523 *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;; 524esac 525 526dnl --enable-optimized : check whether they want to do an optimized build: 527AC_ARG_ENABLE(optimized, AS_HELP_STRING( 528 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize) 529if test ${enableval} = "no" ; then 530 AC_SUBST(ENABLE_OPTIMIZED,[[]]) 531else 532 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]]) 533fi 534 535dnl --enable-profiling : check whether they want to do a profile build: 536AC_ARG_ENABLE(profiling, AS_HELP_STRING( 537 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no") 538if test ${enableval} = "no" ; then 539 AC_SUBST(ENABLE_PROFILING,[[]]) 540else 541 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]]) 542fi 543 544dnl --enable-assertions : check whether they want to turn on assertions or not: 545AC_ARG_ENABLE(assertions,AS_HELP_STRING( 546 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes") 547if test ${enableval} = "yes" ; then 548 AC_SUBST(DISABLE_ASSERTIONS,[[]]) 549else 550 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]]) 551fi 552 553dnl --enable-werror : check whether we want Werror on by default 554AC_ARG_ENABLE(werror,AS_HELP_STRING( 555 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no") 556case "$enableval" in 557 yes) AC_SUBST(ENABLE_WERROR,[1]) ;; 558 no) AC_SUBST(ENABLE_WERROR,[0]) ;; 559 default) AC_SUBST(ENABLE_WERROR,[0]);; 560 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;; 561esac 562 563dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks: 564AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING( 565 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no") 566if test ${enableval} = "yes" ; then 567 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]]) 568 AC_SUBST(EXPENSIVE_CHECKS,[[yes]]) 569else 570 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]]) 571 AC_SUBST(EXPENSIVE_CHECKS,[[no]]) 572fi 573 574dnl --enable-debug-runtime : should runtime libraries have debug symbols? 575AC_ARG_ENABLE(debug-runtime, 576 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no) 577if test ${enableval} = "no" ; then 578 AC_SUBST(DEBUG_RUNTIME,[[]]) 579else 580 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]]) 581fi 582 583dnl --enable-debug-symbols : should even optimized compiler libraries 584dnl have debug symbols? 585AC_ARG_ENABLE(debug-symbols, 586 AS_HELP_STRING(--enable-debug-symbols,[Build compiler with debug symbols (default is NO if optimization is on and YES if it's off)]),,enableval=no) 587if test ${enableval} = "no" ; then 588 AC_SUBST(DEBUG_SYMBOLS,[[]]) 589else 590 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]]) 591fi 592 593dnl --enable-keep-symbols : do not strip installed executables 594AC_ARG_ENABLE(keep-symbols, 595 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no) 596if test ${enableval} = "no" ; then 597 AC_SUBST(KEEP_SYMBOLS,[[]]) 598else 599 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]]) 600fi 601 602dnl --enable-jit: check whether they want to enable the jit 603AC_ARG_ENABLE(jit, 604 AS_HELP_STRING(--enable-jit, 605 [Enable Just In Time Compiling (default is YES)]),, 606 enableval=default) 607if test ${enableval} = "no" 608then 609 AC_SUBST(JIT,[[]]) 610else 611 case "$llvm_cv_target_arch" in 612 x86) AC_SUBST(TARGET_HAS_JIT,1) ;; 613 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;; 614 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;; 615 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;; 616 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;; 617 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;; 618 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;; 619 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;; 620 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;; 621 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;; 622 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;; 623 *) AC_SUBST(TARGET_HAS_JIT,0) ;; 624 esac 625fi 626 627dnl Allow enablement of building and installing docs 628AC_ARG_ENABLE(docs, 629 AS_HELP_STRING([--enable-docs], 630 [Build documents (default is YES)]),, 631 enableval=default) 632case "$enableval" in 633 yes) AC_SUBST(ENABLE_DOCS,[1]) ;; 634 no) AC_SUBST(ENABLE_DOCS,[0]) ;; 635 default) AC_SUBST(ENABLE_DOCS,[1]) ;; 636 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;; 637esac 638 639dnl Allow enablement of doxygen generated documentation 640AC_ARG_ENABLE(doxygen, 641 AS_HELP_STRING([--enable-doxygen], 642 [Build doxygen documentation (default is NO)]),, 643 enableval=default) 644case "$enableval" in 645 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;; 646 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 647 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 648 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;; 649esac 650 651dnl Allow disablement of threads 652AC_ARG_ENABLE(threads, 653 AS_HELP_STRING([--enable-threads], 654 [Use threads if available (default is YES)]),, 655 enableval=default) 656case "$enableval" in 657 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;; 658 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;; 659 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;; 660 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;; 661esac 662AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS, 663 [Define if threads enabled]) 664 665dnl Allow disablement of pthread.h 666AC_ARG_ENABLE(pthreads, 667 AS_HELP_STRING([--enable-pthreads], 668 [Use pthreads if available (default is YES)]),, 669 enableval=default) 670case "$enableval" in 671 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;; 672 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;; 673 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;; 674 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;; 675esac 676 677dnl Allow building without position independent code 678AC_ARG_ENABLE(pic, 679 AS_HELP_STRING([--enable-pic], 680 [Build LLVM with Position Independent Code (default is YES)]),, 681 enableval=default) 682case "$enableval" in 683 yes) AC_SUBST(ENABLE_PIC,[1]) ;; 684 no) AC_SUBST(ENABLE_PIC,[0]) ;; 685 default) AC_SUBST(ENABLE_PIC,[1]) ;; 686 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;; 687esac 688AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC, 689 [Define if position independent code is enabled]) 690 691dnl Allow building a shared library and linking tools against it. 692AC_ARG_ENABLE(shared, 693 AS_HELP_STRING([--enable-shared], 694 [Build a shared library and link tools against it (default is NO)]),, 695 enableval=default) 696case "$enableval" in 697 yes) AC_SUBST(ENABLE_SHARED,[1]) ;; 698 no) AC_SUBST(ENABLE_SHARED,[0]) ;; 699 default) AC_SUBST(ENABLE_SHARED,[0]) ;; 700 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;; 701esac 702 703dnl Allow libstdc++ is embedded in LLVM.dll. 704AC_ARG_ENABLE(embed-stdcxx, 705 AS_HELP_STRING([--enable-embed-stdcxx], 706 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),, 707 enableval=default) 708case "$enableval" in 709 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;; 710 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; 711 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; 712 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;; 713esac 714 715dnl Enable embedding timestamp information into build. 716AC_ARG_ENABLE(timestamps, 717 AS_HELP_STRING([--enable-timestamps], 718 [Enable embedding timestamp information in build (default is YES)]),, 719 enableval=default) 720case "$enableval" in 721 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 722 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;; 723 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 724 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;; 725esac 726AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS, 727 [Define if timestamp information (e.g., __DATE__) is allowed]) 728 729dnl Enable embedding timestamp information into build. 730 731AC_ARG_ENABLE(backtraces, 732 AS_HELP_STRING([--enable-backtraces], 733 [Enable embedding backtraces on crash (default is YES)]),, 734 enableval=default) 735case "$enableval" in 736 yes) AC_SUBST(ENABLE_BACKTRACES,[1]) ;; 737 no) AC_SUBST(ENABLE_BACKTRACES,[0]) ;; 738 default) AC_SUBST(ENABLE_BACKTRACES,[1]) ;; 739 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;; 740esac 741AC_DEFINE_UNQUOTED([ENABLE_BACKTRACES],$ENABLE_BACKTRACES, 742 [Define if you want backtraces on crash]) 743 744dnl Allow specific targets to be specified for building (or not) 745TARGETS_TO_BUILD="" 746AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets], 747 [Build specific host targets: all or target1,target2,... Valid targets are: 748 host, x86, x86_64, sparc, powerpc, arm, mips, hexagon, 749 xcore, msp430, nvptx, and cpp (default=all)]),, 750 enableval=all) 751if test "$enableval" = host-only ; then 752 enableval=host 753fi 754case "$enableval" in 755 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips XCore MSP430 CppBackend MBlaze NVPTX Hexagon" ;; 756 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do 757 case "$a_target" in 758 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 759 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 760 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; 761 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; 762 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; 763 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 764 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 765 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 766 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 767 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; 768 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; 769 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;; 770 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;; 771 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;; 772 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;; 773 host) case "$llvm_cv_target_arch" in 774 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 775 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 776 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; 777 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; 778 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; 779 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 780 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;; 781 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; 782 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; 783 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;; 784 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;; 785 *) AC_MSG_ERROR([Can not set target to build]) ;; 786 esac ;; 787 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;; 788 esac 789 done 790 ;; 791esac 792 793AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets], 794 [Build experimental host targets: disable or target1,target2,... 795 (default=disable)]),, 796 enableval=disable) 797 798if test ${enableval} != "disable" 799then 800 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD" 801fi 802 803AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD) 804 805dnl Determine whether we are building LLVM support for the native architecture. 806dnl If so, define LLVM_NATIVE_ARCH to that LLVM target. 807for a_target in $TARGETS_TO_BUILD; do 808 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then 809 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH, 810 [LLVM architecture name for the native architecture, if available]) 811 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target" 812 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo" 813 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC" 814 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter" 815 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then 816 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser" 817 fi 818 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then 819 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler" 820 fi 821 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET, 822 [LLVM name for the native Target init function, if available]) 823 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO, 824 [LLVM name for the native TargetInfo init function, if available]) 825 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC, 826 [LLVM name for the native target MC init function, if available]) 827 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER, 828 [LLVM name for the native AsmPrinter init function, if available]) 829 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then 830 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER, 831 [LLVM name for the native AsmParser init function, if available]) 832 fi 833 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then 834 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER, 835 [LLVM name for the native Disassembler init function, if available]) 836 fi 837 fi 838done 839 840dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual 841dnl target feature def files. 842LLVM_ENUM_TARGETS="" 843LLVM_ENUM_ASM_PRINTERS="" 844LLVM_ENUM_ASM_PARSERS="" 845LLVM_ENUM_DISASSEMBLERS="" 846for target_to_build in $TARGETS_TO_BUILD; do 847 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS" 848 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then 849 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS"; 850 fi 851 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then 852 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS"; 853 fi 854 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then 855 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS"; 856 fi 857done 858AC_SUBST(LLVM_ENUM_TARGETS) 859AC_SUBST(LLVM_ENUM_ASM_PRINTERS) 860AC_SUBST(LLVM_ENUM_ASM_PARSERS) 861AC_SUBST(LLVM_ENUM_DISASSEMBLERS) 862 863dnl Override the option to use for optimized builds. 864AC_ARG_WITH(optimize-option, 865 AS_HELP_STRING([--with-optimize-option], 866 [Select the compiler options to use for optimized builds]),, 867 withval=default) 868AC_MSG_CHECKING([optimization flags]) 869case "$withval" in 870 default) 871 case "$llvm_cv_os_type" in 872 FreeBSD) optimize_option=-O2 ;; 873 MingW) optimize_option=-O2 ;; 874 *) optimize_option=-O3 ;; 875 esac ;; 876 *) optimize_option="$withval" ;; 877esac 878AC_SUBST(OPTIMIZE_OPTION,$optimize_option) 879AC_MSG_RESULT([$optimize_option]) 880 881dnl Specify extra build options 882AC_ARG_WITH(extra-options, 883 AS_HELP_STRING([--with-extra-options], 884 [Specify additional options to compile LLVM with]),, 885 withval=default) 886case "$withval" in 887 default) EXTRA_OPTIONS= ;; 888 *) EXTRA_OPTIONS=$withval ;; 889esac 890AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS) 891 892dnl Specify extra linker build options 893AC_ARG_WITH(extra-ld-options, 894 AS_HELP_STRING([--with-extra-ld-options], 895 [Specify additional options to link LLVM with]),, 896 withval=default) 897case "$withval" in 898 default) EXTRA_LD_OPTIONS= ;; 899 *) EXTRA_LD_OPTIONS=$withval ;; 900esac 901AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS) 902 903dnl Allow specific bindings to be specified for building (or not) 904AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings], 905 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),, 906 enableval=default) 907BINDINGS_TO_BUILD="" 908case "$enableval" in 909 yes | default | auto) BINDINGS_TO_BUILD="auto" ;; 910 all ) BINDINGS_TO_BUILD="ocaml" ;; 911 none | no) BINDINGS_TO_BUILD="" ;; 912 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do 913 case "$a_binding" in 914 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;; 915 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;; 916 esac 917 done 918 ;; 919esac 920 921dnl Allow the ocaml libdir to be overridden. This could go in a configure 922dnl script for bindings/ocaml/configure, except that its auto value depends on 923dnl OCAMLC, which is found here to support tests. 924AC_ARG_WITH([ocaml-libdir], 925 [AS_HELP_STRING([--with-ocaml-libdir], 926 [Specify install location for ocaml bindings (default is stdlib)])], 927 [], 928 [withval=auto]) 929case "$withval" in 930 auto) with_ocaml_libdir="$withval" ;; 931 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;; 932 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;; 933esac 934 935AC_ARG_WITH(clang-srcdir, 936 AS_HELP_STRING([--with-clang-srcdir], 937 [Directory to the out-of-tree Clang source]),, 938 withval="-") 939case "$withval" in 940 -) clang_src_root="" ;; 941 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;; 942 *) clang_src_root="$ac_pwd/$withval" ;; 943esac 944AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root]) 945 946AC_ARG_WITH(clang-resource-dir, 947 AS_HELP_STRING([--with-clang-resource-dir], 948 [Relative directory from the Clang binary for resource files]),, 949 withval="") 950AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval", 951 [Relative directory for resource files]) 952 953AC_ARG_WITH(c-include-dirs, 954 AS_HELP_STRING([--with-c-include-dirs], 955 [Colon separated list of directories clang will search for headers]),, 956 withval="") 957AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval", 958 [Directories clang will search for headers]) 959 960# Clang normally uses the system c++ headers and libraries. With this option, 961# clang will use the ones provided by a gcc installation instead. This option should 962# be passed the same value that was used with --prefix when configuring gcc. 963AC_ARG_WITH(gcc-toolchain, 964 AS_HELP_STRING([--with-gcc-toolchain], 965 [Directory where gcc is installed.]),, 966 withval="") 967AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval", 968 [Directory where gcc is installed.]) 969 970AC_ARG_WITH(default-sysroot, 971 AS_HELP_STRING([--with-default-sysroot], 972 [Add --sysroot=<path> to all compiler invocations.]),, 973 withval="") 974AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval", 975 [Default <path> to all compiler invocations for --sysroot=<path>.]) 976 977dnl Allow linking of LLVM with GPLv3 binutils code. 978AC_ARG_WITH(binutils-include, 979 AS_HELP_STRING([--with-binutils-include], 980 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),, 981 withval=default) 982case "$withval" in 983 default) WITH_BINUTILS_INCDIR=default ;; 984 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;; 985 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;; 986esac 987if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then 988 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR) 989 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then 990 echo "$WITH_BINUTILS_INCDIR/plugin-api.h" 991 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]); 992 fi 993fi 994 995dnl Specify the URL where bug reports should be submitted. 996AC_ARG_WITH(bug-report-url, 997 AS_HELP_STRING([--with-bug-report-url], 998 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),, 999 withval="http://llvm.org/bugs/") 1000AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval", 1001 [Bug report URL.]) 1002 1003dnl --enable-libffi : check whether the user wants to turn off libffi: 1004AC_ARG_ENABLE(libffi,AS_HELP_STRING( 1005 --enable-libffi,[Check for the presence of libffi (default is NO)]), 1006 [case "$enableval" in 1007 yes) llvm_cv_enable_libffi="yes" ;; 1008 no) llvm_cv_enable_libffi="no" ;; 1009 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;; 1010 esac], 1011 llvm_cv_enable_libffi=no) 1012 1013AC_ARG_WITH(internal-prefix, 1014 AS_HELP_STRING([--with-internal-prefix], 1015 [Installation directory for internal files]),, 1016 withval="") 1017AC_SUBST(INTERNAL_PREFIX,[$withval]) 1018 1019dnl===-----------------------------------------------------------------------=== 1020dnl=== 1021dnl=== SECTION 4: Check for programs we need and that they are the right version 1022dnl=== 1023dnl===-----------------------------------------------------------------------=== 1024 1025AC_PROG_NM 1026AC_SUBST(NM) 1027 1028dnl Check for the tools that the makefiles require 1029AC_CHECK_GNU_MAKE 1030AC_PROG_LN_S 1031AC_PATH_PROG(CMP, [cmp], [cmp]) 1032AC_PATH_PROG(CP, [cp], [cp]) 1033AC_PATH_PROG(DATE, [date], [date]) 1034AC_PATH_PROG(FIND, [find], [find]) 1035AC_PATH_PROG(GREP, [grep], [grep]) 1036AC_PATH_PROG(MKDIR,[mkdir],[mkdir]) 1037AC_PATH_PROG(MV, [mv], [mv]) 1038AC_PROG_RANLIB 1039AC_CHECK_TOOL(AR, ar, false) 1040AC_PATH_PROG(RM, [rm], [rm]) 1041AC_PATH_PROG(SED, [sed], [sed]) 1042AC_PATH_PROG(TAR, [tar], [gtar]) 1043AC_PATH_PROG(BINPWD,[pwd], [pwd]) 1044 1045dnl Looking for misc. graph plotting software 1046AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz]) 1047if test "$GRAPHVIZ" != "echo Graphviz" ; then 1048 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available]) 1049 dnl If we're targeting for mingw we should emit windows paths, not msys 1050 if test "$llvm_cv_os_type" = "MingW" ; then 1051 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1052 fi 1053 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}", 1054 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise]) 1055fi 1056AC_PATH_PROG(DOT, [dot], [echo dot]) 1057if test "$DOT" != "echo dot" ; then 1058 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available]) 1059 dnl If we're targeting for mingw we should emit windows paths, not msys 1060 if test "$llvm_cv_os_type" = "MingW" ; then 1061 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1062 fi 1063 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}", 1064 [Define to path to dot program if found or 'echo dot' otherwise]) 1065fi 1066AC_PATH_PROG(FDP, [fdp], [echo fdp]) 1067if test "$FDP" != "echo fdp" ; then 1068 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available]) 1069 dnl If we're targeting for mingw we should emit windows paths, not msys 1070 if test "$llvm_cv_os_type" = "MingW" ; then 1071 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1072 fi 1073 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}", 1074 [Define to path to fdp program if found or 'echo fdp' otherwise]) 1075fi 1076AC_PATH_PROG(NEATO, [neato], [echo neato]) 1077if test "$NEATO" != "echo neato" ; then 1078 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available]) 1079 dnl If we're targeting for mingw we should emit windows paths, not msys 1080 if test "$llvm_cv_os_type" = "MingW" ; then 1081 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1082 fi 1083 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}", 1084 [Define to path to neato program if found or 'echo neato' otherwise]) 1085fi 1086AC_PATH_PROG(TWOPI, [twopi], [echo twopi]) 1087if test "$TWOPI" != "echo twopi" ; then 1088 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available]) 1089 dnl If we're targeting for mingw we should emit windows paths, not msys 1090 if test "$llvm_cv_os_type" = "MingW" ; then 1091 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1092 fi 1093 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}", 1094 [Define to path to twopi program if found or 'echo twopi' otherwise]) 1095fi 1096AC_PATH_PROG(CIRCO, [circo], [echo circo]) 1097if test "$CIRCO" != "echo circo" ; then 1098 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available]) 1099 dnl If we're targeting for mingw we should emit windows paths, not msys 1100 if test "$llvm_cv_os_type" = "MingW" ; then 1101 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1102 fi 1103 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}", 1104 [Define to path to circo program if found or 'echo circo' otherwise]) 1105fi 1106AC_PATH_PROGS(GV, [gv gsview32], [echo gv]) 1107if test "$GV" != "echo gv" ; then 1108 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available]) 1109 dnl If we're targeting for mingw we should emit windows paths, not msys 1110 if test "$llvm_cv_os_type" = "MingW" ; then 1111 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1112 fi 1113 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}", 1114 [Define to path to gv program if found or 'echo gv' otherwise]) 1115fi 1116AC_PATH_PROG(DOTTY, [dotty], [echo dotty]) 1117if test "$DOTTY" != "echo dotty" ; then 1118 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available]) 1119 dnl If we're targeting for mingw we should emit windows paths, not msys 1120 if test "$llvm_cv_os_type" = "MingW" ; then 1121 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1122 fi 1123 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}", 1124 [Define to path to dotty program if found or 'echo dotty' otherwise]) 1125fi 1126AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py]) 1127if test "$XDOT_PY" != "echo xdot.py" ; then 1128 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available]) 1129 dnl If we're targeting for mingw we should emit windows paths, not msys 1130 if test "$llvm_cv_os_type" = "MingW" ; then 1131 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1132 fi 1133 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}", 1134 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise]) 1135fi 1136 1137dnl Find the install program 1138AC_PROG_INSTALL 1139dnl Prepend src dir to install path dir if it's a relative path 1140dnl This is a hack for installs that take place in something other 1141dnl than the top level. 1142case "$INSTALL" in 1143 [[\\/$]]* | ?:[[\\/]]* ) ;; 1144 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;; 1145esac 1146 1147dnl Checks for documentation and testing tools that we can do without. If these 1148dnl are not found then they are set to "true" which always succeeds but does 1149dnl nothing. This just lets the build output show that we could have done 1150dnl something if the tool was available. 1151AC_PATH_PROG(BZIP2, [bzip2]) 1152AC_PATH_PROG(CAT, [cat]) 1153AC_PATH_PROG(DOXYGEN, [doxygen]) 1154AC_PATH_PROG(GROFF, [groff]) 1155AC_PATH_PROG(GZIPBIN, [gzip]) 1156AC_PATH_PROG(PDFROFF, [pdfroff]) 1157AC_PATH_PROG(ZIP, [zip]) 1158AC_PATH_PROGS(OCAMLC, [ocamlc]) 1159AC_PATH_PROGS(OCAMLOPT, [ocamlopt]) 1160AC_PATH_PROGS(OCAMLDEP, [ocamldep]) 1161AC_PATH_PROGS(OCAMLDOC, [ocamldoc]) 1162AC_PATH_PROGS(GAS, [gas as]) 1163 1164dnl Get the version of the linker in use. 1165AC_LINK_GET_VERSION 1166 1167dnl Determine whether the linker supports the -R option. 1168AC_LINK_USE_R 1169 1170dnl Determine whether the linker supports the -export-dynamic option. 1171AC_LINK_EXPORT_DYNAMIC 1172 1173dnl Determine whether the linker supports the --version-script option. 1174AC_LINK_VERSION_SCRIPT 1175 1176dnl Check for libtool and the library that has dlopen function (which must come 1177dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with 1178dnl libtool). 1179AC_LIBTOOL_DLOPEN 1180AC_LIB_LTDL 1181 1182AC_MSG_CHECKING([tool compatibility]) 1183 1184dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as 1185dnl ICC; we use GCC specific options in the makefiles so the compiler needs 1186dnl to support those options. 1187dnl "icc" emits gcc signatures 1188dnl "icc -no-gcc" emits no gcc signature BUT is still compatible 1189ICC=no 1190IXX=no 1191case $CC in 1192 icc*|icpc*) 1193 ICC=yes 1194 IXX=yes 1195 ;; 1196 *) 1197 ;; 1198esac 1199 1200if test "$GCC" != "yes" && test "$ICC" != "yes" 1201then 1202 AC_MSG_ERROR([gcc|icc required but not found]) 1203fi 1204 1205dnl Ensure that compilation tools are compatible with GCC extensions 1206if test "$GXX" != "yes" && test "$IXX" != "yes" 1207then 1208 AC_MSG_ERROR([g++|clang++|icc required but not found]) 1209fi 1210 1211dnl Verify that GCC is version 3.0 or higher 1212if test "$GCC" = "yes" 1213then 1214 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3 1215#error Unsupported GCC version 1216#endif 1217]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])]) 1218fi 1219 1220dnl Check for GNU Make. We use its extensions, so don't build without it 1221if test -z "$llvm_cv_gnu_make_command" 1222then 1223 AC_MSG_ERROR([GNU Make required but not found]) 1224fi 1225 1226dnl Tool compatibility is okay if we make it here. 1227AC_MSG_RESULT([ok]) 1228 1229dnl Check optional compiler flags. 1230AC_MSG_CHECKING([optional compiler flags]) 1231CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros]) 1232CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers]) 1233CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default]) 1234AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT]) 1235 1236dnl===-----------------------------------------------------------------------=== 1237dnl=== 1238dnl=== SECTION 5: Check for libraries 1239dnl=== 1240dnl===-----------------------------------------------------------------------=== 1241 1242AC_CHECK_LIB(m,sin) 1243if test "$llvm_cv_os_type" = "MingW" ; then 1244 AC_CHECK_LIB(imagehlp, main) 1245 AC_CHECK_LIB(psapi, main) 1246fi 1247 1248dnl dlopen() is required for plugin support. 1249AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1], 1250 [Define if dlopen() is available on this platform.]), 1251 AC_MSG_WARN([dlopen() not found - disabling plugin support])) 1252 1253dnl libffi is optional; used to call external functions from the interpreter 1254if test "$llvm_cv_enable_libffi" = "yes" ; then 1255 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1], 1256 [Define if libffi is available on this platform.]), 1257 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it])) 1258fi 1259 1260dnl mallinfo is optional; the code can compile (minus features) without it 1261AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1], 1262 [Define if mallinfo() is available on this platform.])) 1263 1264dnl pthread locking functions are optional - but llvm will not be thread-safe 1265dnl without locks. 1266if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then 1267 AC_CHECK_LIB(pthread, pthread_mutex_init) 1268 AC_SEARCH_LIBS(pthread_mutex_lock,pthread, 1269 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1], 1270 [Have pthread_mutex_lock])) 1271 AC_SEARCH_LIBS(pthread_rwlock_init,pthread, 1272 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1], 1273 [Have pthread_rwlock_init])) 1274 AC_SEARCH_LIBS(pthread_getspecific,pthread, 1275 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1], 1276 [Have pthread_getspecific])) 1277fi 1278 1279dnl Allow extra x86-disassembler library 1280AC_ARG_WITH(udis86, 1281 AS_HELP_STRING([--with-udis86=<path>], 1282 [Use udis86 external x86 disassembler library]), 1283 [ 1284 AC_SUBST(USE_UDIS86, [1]) 1285 case "$withval" in 1286 /usr/lib|yes) ;; 1287 *) LDFLAGS="$LDFLAGS -L${withval}" ;; 1288 esac 1289 AC_CHECK_LIB(udis86, ud_init, [], [ 1290 echo "Error! You need to have libudis86 around." 1291 exit -1 1292 ]) 1293 ], 1294 AC_SUBST(USE_UDIS86, [0])) 1295AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86, 1296 [Define if use udis86 library]) 1297 1298dnl Allow OProfile support for JIT output. 1299AC_ARG_WITH(oprofile, 1300 AS_HELP_STRING([--with-oprofile=<prefix>], 1301 [Tell OProfile >= 0.9.4 how to symbolize JIT output]), 1302 [ 1303 AC_SUBST(USE_OPROFILE, [1]) 1304 case "$withval" in 1305 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;; 1306 no) llvm_cv_oppath= 1307 AC_SUBST(USE_OPROFILE, [0]) ;; 1308 *) llvm_cv_oppath="${withval}/lib/oprofile" 1309 CPPFLAGS="-I${withval}/include";; 1310 esac 1311 case $llvm_cv_os_type in 1312 Linux) 1313 if test -n "$llvm_cv_oppath" ; then 1314 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}" 1315 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744: 1316 dnl libbfd is not included properly in libopagent in some Debian 1317 dnl versions. If libbfd isn't found at all, we assume opagent works 1318 dnl anyway. 1319 AC_SEARCH_LIBS(bfd_init, bfd, [], []) 1320 AC_SEARCH_LIBS(op_open_agent, opagent, [], [ 1321 echo "Error! You need to have libopagent around." 1322 exit -1 1323 ]) 1324 AC_CHECK_HEADER([opagent.h], [], [ 1325 echo "Error! You need to have opagent.h around." 1326 exit -1 1327 ]) 1328 fi ;; 1329 *) 1330 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;; 1331 esac 1332 ], 1333 [ 1334 AC_SUBST(USE_OPROFILE, [0]) 1335 ]) 1336AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE, 1337 [Define if we have the oprofile JIT-support library]) 1338 1339dnl Enable support for Intel JIT Events API. 1340AC_ARG_WITH(intel-jitevents, 1341 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]), 1342 [ 1343 case "$withval" in 1344 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);; 1345 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);; 1346 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);; 1347 esac 1348 1349 case $llvm_cv_os_type in 1350 Linux|Win32|Cygwin|MingW) ;; 1351 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);; 1352 esac 1353 1354 case "$llvm_cv_target_arch" in 1355 x86|x86_64) ;; 1356 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);; 1357 esac 1358 ], 1359 [ 1360 AC_SUBST(USE_INTEL_JITEVENTS, [0]) 1361 ]) 1362AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS, 1363 [Define if we have the Intel JIT API runtime support library]) 1364 1365dnl Check for libxml2 1366dnl Right now we're just checking for the existence, we could also check for a 1367dnl particular version via --version on xml2-config 1368AC_CHECK_PROGS(XML2CONFIG, xml2-config) 1369 1370AC_MSG_CHECKING(for libxml2 includes) 1371if test "x$XML2CONFIG" = "x"; then 1372 AC_MSG_RESULT(xml2-config not found) 1373else 1374 LIBXML2_INC=`$XML2CONFIG --cflags` 1375 AC_MSG_RESULT($LIBXML2_INC) 1376 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2]) 1377 LIBXML2_LIBS="-lxml2"]) 1378fi 1379AC_SUBST(LIBXML2_LIBS) 1380AC_SUBST(LIBXML2_INC) 1381 1382dnl===-----------------------------------------------------------------------=== 1383dnl=== 1384dnl=== SECTION 6: Check for header files 1385dnl=== 1386dnl===-----------------------------------------------------------------------=== 1387 1388dnl First, use autoconf provided macros for specific headers that we need 1389dnl We don't check for ancient stuff or things that are guaranteed to be there 1390dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers. 1391dnl Generally we're looking for POSIX headers. 1392AC_HEADER_DIRENT 1393AC_HEADER_MMAP_ANONYMOUS 1394AC_HEADER_STAT 1395AC_HEADER_SYS_WAIT 1396AC_HEADER_TIME 1397 1398AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h]) 1399AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h]) 1400AC_CHECK_HEADERS([utime.h windows.h]) 1401AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h]) 1402AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h]) 1403AC_CHECK_HEADERS([valgrind/valgrind.h]) 1404AC_CHECK_HEADERS([fenv.h]) 1405if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then 1406 AC_CHECK_HEADERS(pthread.h, 1407 AC_SUBST(HAVE_PTHREAD, 1), 1408 AC_SUBST(HAVE_PTHREAD, 0)) 1409else 1410 AC_SUBST(HAVE_PTHREAD, 0) 1411fi 1412 1413dnl Try to find ffi.h. 1414if test "$llvm_cv_enable_libffi" = "yes" ; then 1415 AC_CHECK_HEADERS([ffi.h ffi/ffi.h]) 1416fi 1417 1418dnl Try to find Darwin specific crash reporting libraries. 1419AC_CHECK_HEADERS([CrashReporterClient.h]) 1420 1421dnl Try to find Darwin specific crash reporting global. 1422AC_MSG_CHECKING([__crashreporter_info__]) 1423AC_LINK_IFELSE( 1424 AC_LANG_SOURCE( 1425 [[extern const char *__crashreporter_info__; 1426 int main() { 1427 __crashreporter_info__ = "test"; 1428 return 0; 1429 } 1430 ]]), 1431 AC_MSG_RESULT(yes) 1432 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__), 1433 AC_MSG_RESULT(no) 1434 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0, 1435 Define if __crashreporter_info__ exists.)) 1436 1437dnl===-----------------------------------------------------------------------=== 1438dnl=== 1439dnl=== SECTION 7: Check for types and structures 1440dnl=== 1441dnl===-----------------------------------------------------------------------=== 1442 1443AC_HUGE_VAL_CHECK 1444AC_TYPE_PID_T 1445AC_TYPE_SIZE_T 1446AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').]) 1447AC_STRUCT_TM 1448AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found])) 1449AC_CHECK_TYPES([uint64_t],, 1450 AC_CHECK_TYPES([u_int64_t],, 1451 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found]))) 1452 1453dnl===-----------------------------------------------------------------------=== 1454dnl=== 1455dnl=== SECTION 8: Check for specific functions needed 1456dnl=== 1457dnl===-----------------------------------------------------------------------=== 1458 1459AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ]) 1460AC_CHECK_FUNCS([powf fmodf strtof round ]) 1461AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ]) 1462AC_CHECK_FUNCS([isatty mkdtemp mkstemp ]) 1463AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ]) 1464AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ]) 1465AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ]) 1466AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev]) 1467AC_C_PRINTF_A 1468AC_FUNC_RAND48 1469 1470dnl Check the declaration "Secure API" on Windows environments. 1471AC_CHECK_DECLS([strerror_s]) 1472 1473dnl Check symbols in libgcc.a for JIT on Mingw. 1474if test "$llvm_cv_os_type" = "MingW" ; then 1475 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca])) 1476 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca])) 1477 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk])) 1478 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk])) 1479 1480 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3])) 1481 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3])) 1482 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3])) 1483 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi])) 1484 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi])) 1485 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf])) 1486 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3])) 1487 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3])) 1488 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3])) 1489 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3])) 1490 1491 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main])) 1492 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2])) 1493fi 1494 1495dnl Check Win32 API EnumerateLoadedModules. 1496if test "$llvm_cv_os_type" = "MingW" ; then 1497 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl]) 1498 AC_COMPILE_IFELSE([[#include <windows.h> 1499#include <imagehlp.h> 1500extern void foo(PENUMLOADED_MODULES_CALLBACK); 1501extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]], 1502[ 1503 AC_MSG_RESULT([yes]) 1504 llvm_cv_win32_elmcb_pcstr="PCSTR" 1505], 1506[ 1507 AC_MSG_RESULT([no]) 1508 llvm_cv_win32_elmcb_pcstr="PSTR" 1509]) 1510 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback]) 1511fi 1512 1513dnl Check for variations in the Standard C++ library and STL. These macros are 1514dnl provided by LLVM in the autoconf/m4 directory. 1515AC_FUNC_ISNAN 1516AC_FUNC_ISINF 1517 1518dnl Check for mmap support.We also need to know if /dev/zero is required to 1519dnl be opened for allocating RWX memory. 1520dnl Make sure we aren't attempting to configure for an unknown system 1521if test "$llvm_cv_platform_type" = "Unix" ; then 1522 AC_FUNC_MMAP 1523 AC_FUNC_MMAP_FILE 1524 AC_NEED_DEV_ZERO_FOR_MMAP 1525 1526 if test "$ac_cv_func_mmap_fixed_mapped" = "no" 1527 then 1528 AC_MSG_WARN([mmap() of a fixed address required but not supported]) 1529 fi 1530 if test "$ac_cv_func_mmap_file" = "no" 1531 then 1532 AC_MSG_WARN([mmap() of files required but not found]) 1533 fi 1534fi 1535 1536dnl atomic builtins are required for threading support. 1537AC_MSG_CHECKING(for GCC atomic builtins) 1538dnl Since we'll be using these atomic builtins in C++ files we should test 1539dnl the C++ compiler. 1540AC_LANG_PUSH([C++]) 1541AC_LINK_IFELSE( 1542 AC_LANG_SOURCE( 1543 [[int main() { 1544 volatile unsigned long val = 1; 1545 __sync_synchronize(); 1546 __sync_val_compare_and_swap(&val, 1, 0); 1547 __sync_add_and_fetch(&val, 1); 1548 __sync_sub_and_fetch(&val, 1); 1549 return 0; 1550 } 1551 ]]), 1552 AC_LANG_POP([C++]) 1553 AC_MSG_RESULT(yes) 1554 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics), 1555 AC_MSG_RESULT(no) 1556 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics) 1557 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])) 1558 1559dnl===-----------------------------------------------------------------------=== 1560dnl=== 1561dnl=== SECTION 9: Additional checks, variables, etc. 1562dnl=== 1563dnl===-----------------------------------------------------------------------=== 1564 1565dnl Handle 32-bit linux systems running a 64-bit kernel. 1566dnl This has to come after section 4 because it invokes the compiler. 1567if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then 1568 AC_IS_LINUX_MIXED 1569 if test "$llvm_cv_linux_mixed" = "yes"; then 1570 llvm_cv_target_arch="x86" 1571 ARCH="x86" 1572 fi 1573fi 1574 1575dnl Check whether __dso_handle is present 1576AC_CHECK_FUNCS([__dso_handle]) 1577 1578dnl Propagate the shared library extension that the libltdl checks did to 1579dnl the Makefiles so we can use it there too 1580AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext) 1581 1582dnl Propagate the run-time library path variable that the libltdl 1583dnl checks found to the Makefiles so we can use it there too 1584AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var) 1585 1586dnl Translate the various configuration directories and other basic 1587dnl information into substitutions that will end up in Makefile.config.in 1588dnl that these configured values can be used by the makefiles 1589if test "${prefix}" = "NONE" ; then 1590 prefix="/usr/local" 1591fi 1592eval LLVM_PREFIX="${prefix}"; 1593eval LLVM_BINDIR="${prefix}/bin"; 1594eval LLVM_LIBDIR="${prefix}/lib"; 1595eval LLVM_DATADIR="${prefix}/share/llvm"; 1596eval LLVM_DOCSDIR="${prefix}/share/doc/llvm"; 1597eval LLVM_ETCDIR="${prefix}/etc/llvm"; 1598eval LLVM_INCLUDEDIR="${prefix}/include"; 1599eval LLVM_INFODIR="${prefix}/info"; 1600eval LLVM_MANDIR="${prefix}/man"; 1601LLVM_CONFIGTIME=`date` 1602AC_SUBST(LLVM_PREFIX) 1603AC_SUBST(LLVM_BINDIR) 1604AC_SUBST(LLVM_LIBDIR) 1605AC_SUBST(LLVM_DATADIR) 1606AC_SUBST(LLVM_DOCSDIR) 1607AC_SUBST(LLVM_ETCDIR) 1608AC_SUBST(LLVM_INCLUDEDIR) 1609AC_SUBST(LLVM_INFODIR) 1610AC_SUBST(LLVM_MANDIR) 1611AC_SUBST(LLVM_CONFIGTIME) 1612 1613dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS. 1614if test "${ENABLE_TIMESTAMPS}" = "0"; then 1615 LLVM_CONFIGTIME="(timestamp not enabled)" 1616fi 1617 1618dnl Place the various directories into the config.h file as #defines so that we 1619dnl can know about the installation paths within LLVM. 1620AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX", 1621 [Installation prefix directory]) 1622AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR", 1623 [Installation directory for binary executables]) 1624AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR", 1625 [Installation directory for libraries]) 1626AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", 1627 [Installation directory for data files]) 1628AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR", 1629 [Installation directory for documentation]) 1630AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", 1631 [Installation directory for config files]) 1632AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", 1633 [Installation directory for include files]) 1634AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", 1635 [Installation directory for .info files]) 1636AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", 1637 [Installation directory for man pages]) 1638AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", 1639 [Time at which LLVM was configured]) 1640AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host", 1641 [Host triple LLVM will be executed on]) 1642AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target", 1643 [Target triple LLVM will generate code for by default]) 1644 1645dnl Determine which bindings to build. 1646if test "$BINDINGS_TO_BUILD" = auto ; then 1647 BINDINGS_TO_BUILD="" 1648 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then 1649 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" 1650 fi 1651fi 1652AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD) 1653 1654dnl This isn't really configurey, but it avoids having to repeat the list in 1655dnl other files. 1656AC_SUBST(ALL_BINDINGS,ocaml) 1657 1658dnl Do any work necessary to ensure that bindings have what they need. 1659binding_prereqs_failed=0 1660for a_binding in $BINDINGS_TO_BUILD ; do 1661 case "$a_binding" in 1662 ocaml) 1663 if test "x$OCAMLC" = x ; then 1664 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc]) 1665 binding_prereqs_failed=1 1666 fi 1667 if test "x$OCAMLDEP" = x ; then 1668 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep]) 1669 binding_prereqs_failed=1 1670 fi 1671 if test "x$OCAMLOPT" = x ; then 1672 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt]) 1673 dnl ocamlopt is optional! 1674 fi 1675 if test "x$with_ocaml_libdir" != xauto ; then 1676 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir) 1677 else 1678 ocaml_stdlib="`"$OCAMLC" -where`" 1679 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~" 1680 then 1681 # ocaml stdlib is beneath our prefix; use stdlib 1682 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib) 1683 else 1684 # ocaml stdlib is outside our prefix; use libdir/ocaml 1685 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml) 1686 fi 1687 fi 1688 ;; 1689 esac 1690done 1691if test "$binding_prereqs_failed" = 1 ; then 1692 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.]) 1693fi 1694 1695dnl Determine whether the compiler supports -fvisibility-inlines-hidden. 1696AC_CXX_USE_VISIBILITY_INLINES_HIDDEN 1697 1698dnl Determine linker rpath flag 1699if test "$llvm_cv_link_use_r" = "yes" ; then 1700 RPATH="-Wl,-R" 1701else 1702 RPATH="-Wl,-rpath" 1703fi 1704AC_SUBST(RPATH) 1705 1706dnl Determine linker rdynamic flag 1707if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then 1708 RDYNAMIC="-Wl,-export-dynamic" 1709else 1710 RDYNAMIC="" 1711fi 1712AC_SUBST(RDYNAMIC) 1713 1714dnl===-----------------------------------------------------------------------=== 1715dnl=== 1716dnl=== SECTION 10: Specify the output files and generate it 1717dnl=== 1718dnl===-----------------------------------------------------------------------=== 1719 1720dnl Configure header files 1721dnl WARNING: dnl If you add or remove any of the following config headers, then 1722dnl you MUST also update Makefile so that the variable FilesToConfig 1723dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the 1724dnl files can be updated automatically when their *.in sources change. 1725AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h]) 1726AH_TOP([#ifndef CONFIG_H 1727#define CONFIG_H]) 1728AH_BOTTOM([#endif]) 1729 1730AC_CONFIG_FILES([include/llvm/Config/Targets.def]) 1731AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def]) 1732AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def]) 1733AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def]) 1734AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h]) 1735 1736dnl Configure the makefile's configuration data 1737AC_CONFIG_FILES([Makefile.config]) 1738 1739dnl Configure the RPM spec file for LLVM 1740AC_CONFIG_FILES([llvm.spec]) 1741 1742dnl Configure doxygen's configuration file 1743AC_CONFIG_FILES([docs/doxygen.cfg]) 1744 1745dnl Configure clang, if present 1746if test "${clang_src_root}" = ""; then 1747 clang_src_root="$srcdir/tools/clang" 1748fi 1749if test -f ${clang_src_root}/README.txt; then 1750 dnl Use variables to stay under 80 columns. 1751 configh="include/clang/Config/config.h" 1752 doxy="docs/doxygen.cfg" 1753 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in]) 1754 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in]) 1755fi 1756 1757dnl OCaml findlib META file 1758AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm]) 1759 1760dnl Add --program-prefix value to Makefile.rules. Already an ARG variable. 1761test "x$program_prefix" = "xNONE" && program_prefix="" 1762AC_SUBST([program_prefix]) 1763 1764 1765dnl Do special configuration of Makefiles 1766AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"]) 1767AC_CONFIG_MAKEFILE(Makefile) 1768AC_CONFIG_MAKEFILE(Makefile.common) 1769AC_CONFIG_MAKEFILE(examples/Makefile) 1770AC_CONFIG_MAKEFILE(lib/Makefile) 1771AC_CONFIG_MAKEFILE(runtime/Makefile) 1772AC_CONFIG_MAKEFILE(test/Makefile) 1773AC_CONFIG_MAKEFILE(test/Makefile.tests) 1774AC_CONFIG_MAKEFILE(unittests/Makefile) 1775AC_CONFIG_MAKEFILE(tools/Makefile) 1776AC_CONFIG_MAKEFILE(utils/Makefile) 1777AC_CONFIG_MAKEFILE(projects/Makefile) 1778AC_CONFIG_MAKEFILE(bindings/Makefile) 1779AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml) 1780 1781dnl Finally, crank out the output 1782AC_OUTPUT 1783