configure.ac revision 28783c3384857d876e37612051ae9c32a11d20ce
1dnl === configure.ac --------------------------------------------------------=== 2dnl The LLVM Compiler Infrastructure 3dnl 4dnl This file was developed by the LLVM research group and is distributed under 5dnl the University of Illinois Open Source 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 email address for reporting bugs. 34AC_INIT([[llvm]],[[2.0cvs]],[llvmbugs@cs.uiuc.edu]) 35 36dnl Provide a copyright substitution and ensure the copyright notice is included 37dnl in the output of --version option of the generated configure script. 38AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2005 University of Illinois at Urbana-Champaign."]) 39AC_COPYRIGHT([Copyright (c) 2003-2005 University of Illinois at Urbana-Champaign.]) 40 41dnl Indicate that we require autoconf 2.59 or later. Ths is needed because we 42dnl use some autoconf macros only available in 2.59. 43AC_PREREQ(2.59) 44 45dnl Verify that the source directory is valid. This makes sure that we are 46dnl configuring LLVM and not some other package (it validates --srcdir argument) 47AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp]) 48 49dnl Place all of the extra autoconf files into the config subdirectory. Tell 50dnl various tools where the m4 autoconf macros are. 51AC_CONFIG_AUX_DIR([autoconf]) 52 53dnl Quit if the source directory has already been configured. 54dnl NOTE: This relies upon undocumented autoconf behavior. 55if test ${srcdir} != "." ; then 56 if test -f ${srcdir}/include/llvm/Config/config.h ; then 57 AC_MSG_ERROR([Already configured in ${srcdir}]) 58 fi 59fi 60 61dnl Configure all of the projects present in our source tree. While we could 62dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a 63dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated. 64dnl Instead we match on the known projects. 65for i in `ls ${srcdir}/projects` 66do 67 if test -d ${srcdir}/projects/${i} ; then 68 case ${i} in 69 "CVS") ;; 70 "sample") AC_CONFIG_SUBDIRS([projects/sample]) ;; 71 "Stacker") AC_CONFIG_SUBDIRS([projects/Stacker]) ;; 72 "privbracket") AC_CONFIG_SUBDIRS([projects/privbracket]) ;; 73 "llvm-test") AC_CONFIG_SUBDIRS([projects/llvm-test]) ;; 74 "llvm-reopt") AC_CONFIG_SUBDIRS([projects/llvm-reopt]);; 75 "llvm-gcc") AC_CONFIG_SUBDIRS([projects/llvm-gcc]) ;; 76 "llvm-java") AC_CONFIG_SUBDIRS([projects/llvm-java]) ;; 77 "llvm-tv") AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;; 78 "llvm-poolalloc") AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) ;; 79 "llvm-kernel") AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;; 80 *) 81 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically]) 82 ;; 83 esac 84 fi 85done 86 87dnl===-----------------------------------------------------------------------=== 88dnl=== 89dnl=== SECTION 2: Architecture, target, and host checks 90dnl=== 91dnl===-----------------------------------------------------------------------=== 92 93dnl Check the target for which we're compiling and the host that will do the 94dnl compilations. This will tell us which LLVM compiler will be used for 95dnl compiling SSA into object code. This needs to be done early because 96dnl following tests depend on it. 97AC_CANONICAL_TARGET 98 99dnl Determine the platform type and cache its value. This helps us configure 100dnl the System library to the correct build platform. 101AC_CACHE_CHECK([type of operating system we're going to host on], 102 [llvm_cv_os_type], 103[case $host in 104 *-*-aix*) 105 llvm_cv_link_all_option="-Wl,--whole-archive" 106 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 107 llvm_cv_os_type="AIX" 108 llvm_cv_platform_type="Unix" ;; 109 *-*-irix*) 110 llvm_cv_link_all_option="-Wl,--whole-archive" 111 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 112 llvm_cv_os_type="IRIX" 113 llvm_cv_platform_type="Unix" ;; 114 *-*-cygwin*) 115 llvm_cv_link_all_option="-Wl,--whole-archive" 116 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 117 llvm_cv_os_type="Cygwin" 118 llvm_cv_platform_type="Unix" ;; 119 *-*-darwin*) 120 llvm_cv_link_all_option="-Wl,-all_load" 121 llvm_cv_link_all_option="-Wl,-noall_load" 122 llvm_cv_os_type="Darwin" 123 llvm_cv_platform_type="Unix" ;; 124 *-*-freebsd*) 125 llvm_cv_link_all_option="-Wl,--whole-archive" 126 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 127 llvm_cv_os_type="FreeBSD" 128 llvm_cv_platform_type="Unix" ;; 129 *-*-openbsd*) 130 llvm_cv_link_all_option="-Wl,--whole-archive" 131 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 132 llvm_cv_os_type="OpenBSD" 133 llvm_cv_platform_type="Unix" ;; 134 *-*-hpux*) 135 llvm_cv_link_all_option="-Wl,--whole-archive" 136 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 137 llvm_cv_os_type="HP-UX" 138 llvm_cv_platform_type="Unix" ;; 139 *-*-interix*) 140 llvm_cv_link_all_option="-Wl,--whole-archive" 141 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 142 llvm_cv_os_type="Interix" 143 llvm_cv_platform_type="Unix" ;; 144 *-*-linux*) 145 llvm_cv_link_all_option="-Wl,--whole-archive" 146 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 147 llvm_cv_os_type="Linux" 148 llvm_cv_platform_type="Unix" ;; 149 *-*-solaris*) 150 llvm_cv_link_all_option="-Wl,-z,allextract" 151 llvm_cv_no_link_all_option="-Wl,-z,defaultextract" 152 llvm_cv_os_type="SunOS" 153 llvm_cv_platform_type="Unix" ;; 154 *-*-win32*) 155 llvm_cv_link_all_option="-Wl,--whole-archive" 156 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 157 llvm_cv_os_type="Win32" 158 llvm_cv_platform_type="Win32" ;; 159 *-*-mingw*) 160 llvm_cv_link_all_option="-Wl,--whole-archive" 161 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 162 llvm_cv_os_type="MingW" 163 llvm_cv_platform_type="Win32" ;; 164 *) 165 llvm_cv_link_all_option="" 166 llvm_cv_no_link_all_option="" 167 llvm_cv_os_type="Unknown" 168 llvm_cv_platform_type="Unknown" ;; 169esac]) 170 171dnl Make sure we aren't attempting to configure for an unknown system 172if test "$llvm_cv_os_type" = "Unknown" ; then 173 AC_MSG_ERROR([Operating system is unknown, configure can't continue]) 174fi 175 176dnl Set the "OS" Makefile variable based on the platform type so the 177dnl makefile can configure itself to specific build hosts 178AC_SUBST(OS,$llvm_cv_os_type) 179 180dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform 181AC_SUBST(LINKALL,$llvm_cv_link_all_option) 182AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option) 183 184dnl Set the "LLVM_ON_*" variables based on llvm_cvs_platform_type 185dnl This is used by lib/System to determine the basic kind of implementation 186dnl to use. 187case $llvm_cv_platform_type in 188 Unix) 189 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform]) 190 AC_SUBST(LLVM_ON_UNIX,[1]) 191 AC_SUBST(LLVM_ON_WIN32,[0]) 192 ;; 193 Win32) 194 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform]) 195 AC_SUBST(LLVM_ON_UNIX,[0]) 196 AC_SUBST(LLVM_ON_WIN32,[1]) 197 ;; 198esac 199 200dnl Determine what our target architecture is and configure accordingly. 201dnl This will allow Makefiles to make a distinction between the hardware and 202dnl the OS. 203AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch], 204[case $target in 205 i?86-*) llvm_cv_target_arch="x86" ;; 206 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;; 207 sparc*-*) llvm_cv_target_arch="Sparc" ;; 208 powerpc*-*) llvm_cv_target_arch="PowerPC" ;; 209 alpha*-*) llvm_cv_target_arch="Alpha" ;; 210 ia64-*) llvm_cv_target_arch="IA64" ;; 211 *) llvm_cv_target_arch="Unknown" ;; 212esac]) 213 214if test "$llvm_cv_target_arch" = "Unknown" ; then 215 AC_MSG_WARN([Configuring LLVM for an unknown target archicture]) 216fi 217 218dnl Define a substitution, ARCH, for the target architecture 219AC_SUBST(ARCH,$llvm_cv_target_arch) 220 221dnl Check for the endianness of the target 222AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little])) 223 224dnl Check for build platform executable suffix if we're crosscompiling 225if test "$cross_compiling" = yes; then 226 AC_SUBST(LLVM_CROSS_COMPILING, [1]) 227 AC_BUILD_EXEEXT 228else 229 AC_SUBST(LLVM_CROSS_COMPILING, [0]) 230fi 231 232dnl Check to see if there's a "CVS" directory indicating that this build is 233dnl being done from a CVS checkout. This sets up several defaults for the 234dnl command line switches. When we build with a CVS directory, we get a 235dnl debug with assertions turned on. Without, we assume a source release and we 236dnl get an optimized build without assertions. See --enable-optimized and 237dnl --enable-assertions below 238if test -d "CVS" -o -d "${srcdir}/CVS"; then 239 cvsbuild="yes" 240 optimize="no" 241 AC_SUBST(CVSBUILD,[[CVSBUILD=1]]) 242else 243 cvsbuild="no" 244 optimize="yes" 245fi 246 247dnl===-----------------------------------------------------------------------=== 248dnl=== 249dnl=== SECTION 3: Command line arguments for the configure script. 250dnl=== 251dnl===-----------------------------------------------------------------------=== 252 253dnl --enable-optimized : check whether they want to do an optimized build: 254AC_ARG_ENABLE(optimized, AS_HELP_STRING( 255 [--enable-optimized,Compile with optimizations enabled (default is NO)]),,enableval=$optimize) 256if test ${enableval} = "no" ; then 257 AC_SUBST(ENABLE_OPTIMIZED,[[]]) 258else 259 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]]) 260fi 261 262dnl --enable-assertions : check whether they want to turn on assertions or not: 263AC_ARG_ENABLE(assertions,AS_HELP_STRING( 264 [--enable-assertions,Compile with assertion checks enabled (default is YES)]),, enableval="yes") 265if test ${enableval} = "yes" ; then 266 AC_SUBST(DISABLE_ASSERTIONS,[[]]) 267else 268 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]]) 269fi 270 271dnl --enable-debug-runtime : should runtime libraries have debug symbols? 272AC_ARG_ENABLE(debug-runtime, 273 AS_HELP_STRING([--enable-debug-runtime,Build runtime libs with debug symbols (default is NO)]),,enableval=no) 274if test ${enableval} = "no" ; then 275 AC_SUBST(DEBUG_RUNTIME,[[]]) 276else 277 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]]) 278fi 279 280dnl --enable-jit: check whether they want to enable the jit 281AC_ARG_ENABLE(jit, 282 AS_HELP_STRING(--enable-jit, 283 [Enable Just In Time Compiling (default is YES)]),, 284 enableval=default) 285if test ${enableval} = "no" 286then 287 AC_SUBST(JIT,[[]]) 288else 289 case "$llvm_cv_target_arch" in 290 x86) AC_SUBST(TARGET_HAS_JIT,1) ;; 291 Sparc) AC_SUBST(TARGET_HAS_JIT,1) ;; 292 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;; 293 x86_64) AC_SUBST(TARGET_HAS_JIT,0) ;; 294 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;; 295 IA64) AC_SUBST(TARGET_HAS_JIT,0) ;; 296 *) AC_SUBST(TARGET_HAS_JIT,0) ;; 297 esac 298fi 299 300dnl Allow enablement of doxygen generated documentation 301AC_ARG_ENABLE(doxygen, 302 AS_HELP_STRING([--enable-doxygen], 303 [Build doxygen documentation (default is NO)]),, 304 enableval=default) 305case "$enableval" in 306 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;; 307 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 308 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 309 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;; 310esac 311 312dnl Allow disablement of threads 313AC_ARG_ENABLE(threads, 314 AS_HELP_STRING([--enable-threads], 315 [Use threads if available (default is YES)]),, 316 enableval=default) 317case "$enableval" in 318 yes) AC_SUBST(ENABLE_THREADS,[1]) ;; 319 no) AC_SUBST(ENABLE_THREADS,[0]) ;; 320 default) AC_SUBST(ENABLE_THREADS,[1]) ;; 321 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;; 322esac 323AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled]) 324 325dnl Allow building with position independent code 326AC_ARG_ENABLE(pic, 327 AS_HELP_STRING([--enable-pic], 328 [Build LLVM with Position Independent Code (default is NO)]),, 329 enableval=default) 330case "$enableval" in 331 yes) AC_SUBST(ENABLE_PIC,[1]) ;; 332 no) AC_SUBST(ENABLE_PIC,[0]) ;; 333 default) AC_SUBST(ENABLE_PIC,[0]) ;; 334 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;; 335esac 336AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC, 337 [Define if position independent code is enabled]) 338 339dnl Allow specific targets to be specified for building (or not) 340TARGETS_TO_BUILD="" 341AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets], 342 [Build specific host targets: all,host-only,{target-name} (default=all)]),, 343 enableval=all) 344case "$enableval" in 345 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha IA64 ARM" ;; 346 host-only) 347 case "$llvm_cv_target_arch" in 348 x86) TARGETS_TO_BUILD="X86" ;; 349 x86_64) TARGETS_TO_BUILD="X86" ;; 350 Sparc) TARGETS_TO_BUILD="Sparc" ;; 351 PowerPC) TARGETS_TO_BUILD="PowerPC" ;; 352 Alpha) TARGETS_TO_BUILD="Alpha" ;; 353 IA64) TARGETS_TO_BUILD="IA64" ;; 354 *) AC_MSG_ERROR([Can not set target to build]) ;; 355 esac 356 ;; 357 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do 358 case "$a_target" in 359 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 360 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 361 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; 362 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; 363 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;; 364 ia64) TARGETS_TO_BUILD="IA64 $TARGETS_TO_BUILD" ;; 365 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;; 366 esac 367 done 368 ;; 369esac 370TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" 371AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD) 372 373dnl Prevent the CBackend from using printf("%a") for floating point so older 374dnl C compilers that cannot deal with the 0x0p+0 hex floating point format 375dnl can still compile the CBE's output 376AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a], 377 [Enable C Backend output with hex floating point via %a (default is YES)]),, 378 enableval=default) 379case "$enableval" in 380 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;; 381 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;; 382 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;; 383 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;; 384esac 385AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A, 386 [Define if CBE is enabled for printf %a output]) 387 388dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config. 389AC_ARG_WITH(llvmgccdir, 390 AS_HELP_STRING([--with-llvmgccdir], 391 [Specify location of llvm-gcc install dir (default searches PATH)]),, 392 withval=default) 393case "$withval" in 394 default) WITH_LLVMGCCDIR=default ;; 395 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;; 396 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;; 397esac 398 399dnl Specify extra build options 400AC_ARG_WITH(extra-options, 401 AS_HELP_STRING([--with-extra-options], 402 [Specify addtional options to compile LLVM with]),, 403 withval=default) 404case "$withval" in 405 default) EXTRA_OPTIONS= ;; 406 *) EXTRA_OPTIONS=$withval ;; 407esac 408AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS) 409 410dnl===-----------------------------------------------------------------------=== 411dnl=== 412dnl=== SECTION 4: Check for programs we need and that they are the right version 413dnl=== 414dnl===-----------------------------------------------------------------------=== 415 416dnl Check for compilation tools 417AC_PROG_CPP 418AC_PROG_CC(gcc) 419AC_PROG_CXX(g++) 420AC_PROG_FLEX 421AC_PROG_BISON 422 423AC_PROG_NM 424AC_SUBST(NM) 425 426dnl Check for the tools that the makefiles require 427AC_CHECK_GNU_MAKE 428AC_PROG_LN_S 429AC_PATH_PROG(CMP, [cmp], [cmp]) 430AC_PATH_PROG(CP, [cp], [cp]) 431AC_PATH_PROG(DATE, [date], [date]) 432AC_PATH_PROG(FIND, [find], [find]) 433AC_PATH_PROG(GREP, [grep], [grep]) 434AC_PATH_PROG(MKDIR,[mkdir],[mkdir]) 435AC_PATH_PROG(MV, [mv], [mv]) 436AC_PROG_RANLIB 437AC_PATH_PROG(RM, [rm], [rm]) 438AC_PATH_PROG(SED, [sed], [sed]) 439AC_PATH_PROG(TAR, [tar], [gtar]) 440AC_PATH_PROG(BINPWD,[pwd], [pwd]) 441 442dnl Looking for misc. graph plotting software 443AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz]) 444if test "$GRAPHVIZ" != "echo Graphviz" ; then 445 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available]) 446 dnl If we're targeting for mingw we should emit windows paths, not msys 447 if test "$llvm_cv_os_type" = "MingW" ; then 448 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 449 fi 450 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}", 451 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise]) 452fi 453AC_PATH_PROG(DOT, [dot], [echo dot]) 454if test "$DOT" != "echo dot" ; then 455 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available]) 456 dnl If we're targeting for mingw we should emit windows paths, not msys 457 if test "$llvm_cv_os_type" = "MingW" ; then 458 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 459 fi 460 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}", 461 [Define to path to dot program if found or 'echo dot' otherwise]) 462fi 463AC_PATH_PROGS(GV, [gv gsview32], [echo gv]) 464if test "$GV" != "echo gv" ; then 465 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available]) 466 dnl If we're targeting for mingw we should emit windows paths, not msys 467 if test "$llvm_cv_os_type" = "MingW" ; then 468 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 469 fi 470 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}", 471 [Define to path to gv program if found or 'echo gv' otherwise]) 472fi 473AC_PATH_PROG(DOTTY, [dotty], [echo dotty]) 474if test "$DOTTY" != "echo dotty" ; then 475 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available]) 476 dnl If we're targeting for mingw we should emit windows paths, not msys 477 if test "$llvm_cv_os_type" = "MingW" ; then 478 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 479 fi 480 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}", 481 [Define to path to dotty program if found or 'echo dotty' otherwise]) 482fi 483 484dnl Look for a sufficiently recent version of Perl. 485LLVM_PROG_PERL([5.006]) 486AC_SUBST(PERL) 487if test x"$PERL" = xnone; then 488 AC_SUBST(HAVE_PERL,0) 489else 490 AC_SUBST(HAVE_PERL,1) 491fi 492 493dnl Find the install program 494AC_PROG_INSTALL 495 496dnl Checks for documentation and testing tools that we can do without. If these 497dnl are not found then they are set to "true" which always succeeds but does 498dnl nothing. This just lets the build output show that we could have done 499dnl something if the tool was available. 500AC_PATH_PROG(BZIP2,[bzip2],[echo "Skipped: bzip2 not found"]) 501AC_PATH_PROG(DOXYGEN,[doxygen],[echo "Skipped: doxygen not found"]) 502AC_PATH_PROG(GROFF,[groff],[echo "Skipped: groff not found"]) 503AC_PATH_PROG(GZIP,[gzip],[echo "Skipped: gzip not found"]) 504AC_PATH_PROG(POD2HTML,[pod2html],[echo "Skipped: pod2html not found"]) 505AC_PATH_PROG(POD2MAN,[pod2man],[echo "Skipped: pod2man not found"]) 506AC_PATH_PROG(RUNTEST,[runtest],[echo "Skipped: runtest not found"]) 507DJ_AC_PATH_TCLSH 508AC_PATH_PROG(ZIP,[zip],[echo "Skipped: zip not found"]) 509 510dnl Determine if the linker supports the -R option. 511AC_LINK_USE_R 512 513dnl Check for libtool and the library that has dlopen function (which must come 514dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with 515dnl libtool). 516AC_LIBTOOL_DLOPEN 517AC_LIB_LTDL 518AC_PROG_LIBTOOL 519 520if test "$lt_cv_dlopen_self" = "yes" ; then 521 AC_DEFINE([CAN_DLOPEN_SELF],[1], 522 [Define if dlopen(0) will open the symbols of the program]) 523fi 524 525dnl Check if we know how to tell etags we are using C++: 526etags_version=`$ETAGS --version 2>&1` 527case "$etags_version" in 528 *[Ee]xuberant*) ETAGSFLAGS="--language-force=c++" ;; 529 *GNU\ Emacs*) ETAGSFLAGS="-l c++" ;; 530 *) ETAGSFLAGS="" ;; 531esac 532AC_SUBST(ETAGSFLAGS,$ETAGSFLAGS) 533 534if test "$WITH_LLVMGCCDIR" = "default" ; then 535 LLVMGCC="llvm-gcc${EXEEXT}" 536 LLVMGXX="llvm-g++${EXEEXT}" 537 AC_PATH_PROG(LLVMGCC, $LLVMGCC, []) 538 AC_PATH_PROG(LLVMGXX, $LLVMGXX, []) 539else 540 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}" 541 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}" 542 AC_SUBST(LLVMGCC,$LLVMGCC) 543 AC_SUBST(LLVMGXX,$LLVMGXX) 544fi 545 546AC_MSG_CHECKING([tool compatibility]) 547 548dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as 549dnl ICC; we use GCC specific options in the makefiles so the compiler needs 550dnl to support those options. 551dnl "icc" emits gcc signatures 552dnl "icc -no-gcc" emits no gcc signature BUT is still compatible 553ICC=no 554IXX=no 555case $CC in 556 icc*|icpc*) 557 ICC=yes 558 IXX=yes 559 ;; 560 *) 561 ;; 562esac 563 564if test "$GCC" != "yes" && test "$ICC" != "yes" 565then 566 AC_MSG_ERROR([gcc|icc required but not found]) 567fi 568 569dnl Ensure that compilation tools are GCC; we use GCC specific extensions 570if test "$GXX" != "yes" && test "$IXX" != "yes" 571then 572 AC_MSG_ERROR([g++|icc required but not found]) 573fi 574 575dnl Verify that GCC is version 3.0 or higher 576if test "$GCC" = "yes" 577then 578 gccmajor=`$CC --version | head -n 1 | sed 's/[[^0-9]]*\([[0-9.]]\).*/\1/'` 579 if test "$gccmajor" -lt "3" 580 then 581 AC_MSG_ERROR([gcc 3.x required, but you have a lower version]) 582 fi 583fi 584 585dnl Check for GNU Make. We use its extensions, so don't build without it 586if test -z "$llvm_cv_gnu_make_command" 587then 588 AC_MSG_ERROR([GNU Make required but not found]) 589fi 590 591dnl Tool compatibility is okay if we make it here. 592AC_MSG_RESULT([ok]) 593 594dnl===-----------------------------------------------------------------------=== 595dnl=== 596dnl=== SECTION 5: Check for libraries 597dnl=== 598dnl===-----------------------------------------------------------------------=== 599 600dnl libelf is for sparc only; we can ignore it if we don't have it 601AC_CHECK_LIB(elf, elf_begin) 602AC_CHECK_LIB(m,sin) 603if test "$llvm_cv_os_type" = "MingW" ; then 604 AC_CHECK_LIB(imagehlp, main) 605 AC_CHECK_LIB(psapi, main) 606fi 607 608dnl lt_dlopen may be required for plugin support. 609AC_SEARCH_LIBS(lt_dlopen,ltdl,AC_DEFINE([HAVE_LT_DLOPEN],[1], 610 [Define if lt_dlopen() is available on this platform]), 611 AC_MSG_WARN([lt_dlopen() not found - plugin support might 612 not be available])) 613 614dnl dlopen() is required for plugin support. 615AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1], 616 [Define if dlopen() is available on this platform.]), 617 AC_MSG_WARN([dlopen() not found - disabling plugin support])) 618 619dnl mallinfo is optional; the code can compile (minus features) without it 620AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1], 621 [Define if mallinfo() is available on this platform.])) 622 623dnl pthread locking functions are optional - but llvm will not be thread-safe 624dnl without locks. 625if test "$ENABLE_THREADS" -eq 1 ; then 626 AC_CHECK_LIB(pthread,pthread_mutex_init) 627 AC_SEARCH_LIBS(pthread_mutex_lock,pthread, 628 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1], 629 [Have pthread_mutex_lock])) 630fi 631 632dnl===-----------------------------------------------------------------------=== 633dnl=== 634dnl=== SECTION 6: Check for header files 635dnl=== 636dnl===-----------------------------------------------------------------------=== 637 638dnl First, use autoconf provided macros for specific headers that we need 639dnl We don't check for ancient stuff or things that are guaranteed to be there 640dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers. 641dnl Generally we're looking for POSIX headers. 642AC_HEADER_DIRENT 643AC_HEADER_MMAP_ANONYMOUS 644AC_HEADER_STAT 645AC_HEADER_STDC 646AC_HEADER_SYS_WAIT 647AC_HEADER_TIME 648 649AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h]) 650AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h unistd.h utime.h]) 651AC_CHECK_HEADERS([windows.h sys/mman.h sys/param.h sys/resource.h sys/time.h]) 652AC_CHECK_HEADERS([sys/types.h malloc/malloc.h mach/mach.h]) 653if test "$ENABLE_THREADS" -eq 1 ; then 654 AC_CHECK_HEADER(pthread.h, 655 AC_SUBST(HAVE_PTHREAD, 1), 656 AC_SUBST(HAVE_PTHREAD, 0)) 657else 658 AC_SUBST(HAVE_PTHREAD, 0) 659fi 660 661dnl===-----------------------------------------------------------------------=== 662dnl=== 663dnl=== SECTION 7: Check for types and structures 664dnl=== 665dnl===-----------------------------------------------------------------------=== 666 667AC_HUGE_VAL_CHECK 668AC_TYPE_PID_T 669AC_TYPE_SIZE_T 670AC_TYPE_SIGNAL 671AC_STRUCT_TM 672AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found])) 673AC_CHECK_TYPES([uint64_t],, 674 AC_CHECK_TYPES([u_int64_t],, 675 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found]))) 676 677dnl===-----------------------------------------------------------------------=== 678dnl=== 679dnl=== SECTION 8: Check for specific functions needed 680dnl=== 681dnl===-----------------------------------------------------------------------=== 682 683AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ]) 684AC_CHECK_FUNCS([getpagesize getrusage gettimeofday isatty mkdtemp mkstemp ]) 685AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup strerror strerror_r ]) 686AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ]) 687AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp]) 688AC_C_PRINTF_A 689AC_FUNC_ALLOCA 690AC_FUNC_RAND48 691 692dnl Check for variations in the Standard C++ library and STL. These macros are 693dnl provided by LLVM in the autoconf/m4 directory. 694AC_CXX_HAVE_HASH_MAP 695AC_CXX_HAVE_HASH_SET 696AC_CXX_HAVE_STD_ITERATOR 697AC_CXX_HAVE_BI_ITERATOR 698AC_CXX_HAVE_FWD_ITERATOR 699AC_FUNC_ISNAN 700AC_FUNC_ISINF 701 702dnl Check for mmap and mprotect support. We need both to do the JIT and for 703dnl bytecode loading, etc. We also need to know if /dev/zero is required to 704dnl be opened for allocating RWX memory. 705AC_FUNC_MMAP 706AC_FUNC_MMAP_FILE 707AC_NEED_DEV_ZERO_FOR_MMAP 708AC_CHECK_FUNC(mprotect,, 709 AC_MSG_ERROR([Function mprotect() required but not found])) 710 711if test "$ac_cv_func_mmap_fixed_mapped" = "no" 712then 713 AC_MSG_WARN([mmap() of a fixed address required but not supported]) 714fi 715if test "$ac_cv_func_mmap_file" = "no" 716then 717 AC_MSG_WARN([mmap() of files required but not found]) 718fi 719 720dnl===-----------------------------------------------------------------------=== 721dnl=== 722dnl=== SECTION 9: Additional checks, variables, etc. 723dnl=== 724dnl===-----------------------------------------------------------------------=== 725 726dnl See if the llvm-gcc executable can compile to LLVM assembly 727AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity], 728[llvm_cv_llvmgcc_sanity="no" 729if test -x "$LLVMGCC" ; then 730 cp /dev/null conftest.c 731 "$LLVMGCC" -emit-llvm -S -o - conftest.c | grep implementation > /dev/null 2>&1 732 if test $? -eq 0 ; then 733 llvm_cv_llvmgcc_sanity="yes" 734 fi 735 rm conftest.c 736fi]) 737 738dnl Since we have a sane llvm-gcc, identify it and its sub-tools 739if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then 740 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1` 741 AC_SUBST(LLVMCC1,$llvmcc1path) 742 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus` 743 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath) 744 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'` 745 AC_SUBST(LLVMGCCDIR,$llvmgccdir) 746 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'` 747 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec) 748 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`] 749 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`] 750 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion) 751 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers) 752fi 753 754dnl Propagate the shared library extension that the libltdl checks did to 755dnl the Makefiles so we can use it there too 756AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext) 757 758# Translate the various configuration directories and other basic 759# information into substitutions that will end up in Makefile.config.in 760# that these configured values can be used by the makefiles 761if test "${prefix}" = "NONE" ; then 762 prefix="/usr/local" 763fi 764eval LLVM_PREFIX="${prefix}"; 765eval LLVM_BINDIR="${prefix}/bin"; 766eval LLVM_LIBDIR="${prefix}/lib"; 767eval LLVM_DATADIR="${prefix}/share/llvm"; 768eval LLVM_DOCSDIR="${prefix}/docs/llvm"; 769eval LLVM_ETCDIR="${prefix}/etc/llvm"; 770eval LLVM_INCLUDEDIR="${prefix}/include"; 771eval LLVM_INFODIR="${prefix}/info"; 772eval LLVM_MANDIR="${prefix}/man"; 773LLVM_CONFIGTIME=`date` 774AC_SUBST(LLVM_PREFIX) 775AC_SUBST(LLVM_BINDIR) 776AC_SUBST(LLVM_LIBDIR) 777AC_SUBST(LLVM_DATADIR) 778AC_SUBST(LLVM_DOCSDIR) 779AC_SUBST(LLVM_ETCDIR) 780AC_SUBST(LLVM_INCLUDEDIR) 781AC_SUBST(LLVM_INFODIR) 782AC_SUBST(LLVM_MANDIR) 783AC_SUBST(LLVM_CONFIGTIME) 784 785# Place the various directores into the config.h file as #defines so that we 786# can know about the installation paths within LLVM. 787AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX", 788 [Installation prefix directory]) 789AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR", 790 [Installation directory for binary executables]) 791AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR", 792 [Installation directory for libraries]) 793AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", 794 [Installation directory for data files]) 795AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DOCSDIR", 796 [Installation directory for documentation]) 797AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", 798 [Installation directory for config files]) 799AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", 800 [Installation directory for include files]) 801AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", 802 [Installation directory for .info files]) 803AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", 804 [Installation directory for man pages]) 805AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", 806 [Time at which LLVM was configured]) 807 808dnl===-----------------------------------------------------------------------=== 809dnl=== 810dnl=== SECTION 10: Specify the output files and generate it 811dnl=== 812dnl===-----------------------------------------------------------------------=== 813 814dnl Configure header files 815dnl WARNING: dnl If you add or remove any of the following config headers, then 816dnl you MUST also update Makefile.rules so that the variable FilesToConfig 817dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the 818dnl files can be updated automatically when their *.in sources change. 819AC_CONFIG_HEADERS([include/llvm/Config/config.h]) 820AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h]) 821AC_CONFIG_HEADERS([include/llvm/ADT/hash_map]) 822AC_CONFIG_HEADERS([include/llvm/ADT/hash_set]) 823AC_CONFIG_HEADERS([include/llvm/ADT/iterator]) 824 825dnl Configure the makefile's configuration data 826AC_CONFIG_FILES([Makefile.config]) 827 828dnl Configure the RPM spec file for LLVM 829AC_CONFIG_FILES([llvm.spec]) 830 831dnl Configure doxygen's configuration file 832AC_CONFIG_FILES([docs/doxygen.cfg]) 833 834dnl Do the first stage of configuration for llvm-config.in. 835AC_CONFIG_FILES([tools/llvm-config/llvm-config.in]) 836 837dnl Do special configuration of Makefiles 838AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"]) 839AC_CONFIG_MAKEFILE(Makefile) 840AC_CONFIG_MAKEFILE(Makefile.common) 841AC_CONFIG_MAKEFILE(examples/Makefile) 842AC_CONFIG_MAKEFILE(lib/Makefile) 843AC_CONFIG_MAKEFILE(runtime/Makefile) 844AC_CONFIG_MAKEFILE(test/Makefile) 845AC_CONFIG_MAKEFILE(test/Makefile.tests) 846AC_CONFIG_MAKEFILE(tools/Makefile) 847AC_CONFIG_MAKEFILE(utils/Makefile) 848AC_CONFIG_MAKEFILE(projects/Makefile) 849 850dnl Finally, crank out the output 851AC_OUTPUT 852 853