configure.ac revision 3fafd78aef36b3d72415faeb8a1a6046397cb275
1dnl Process this file with autoconf to produce a configure script. 2AC_INIT([Makefile.in]) 3 4dnl ============================================================================ 5dnl Custom macro definitions. 6 7dnl JE_CFLAGS_APPEND(cflag) 8AC_DEFUN([JE_CFLAGS_APPEND], 9[ 10AC_MSG_CHECKING([whether compiler supports $1]) 11TCFLAGS="${CFLAGS}" 12if test "x${CFLAGS}" = "x" ; then 13 CFLAGS="$1" 14else 15 CFLAGS="${CFLAGS} $1" 16fi 17AC_COMPILE_IFELSE([AC_LANG_PROGRAM( 18[[ 19]], [[ 20 return 0; 21]])], 22 [je_cv_cflags_appended=$1] 23 AC_MSG_RESULT([yes]), 24 [je_cv_cflags_appended=] 25 AC_MSG_RESULT([no]) 26 [CFLAGS="${TCFLAGS}"] 27) 28]) 29 30dnl JE_COMPILABLE(label, hcode, mcode, rvar) 31dnl 32dnl Use AC_LINK_IFELSE() rather than AC_COMPILE_IFELSE() so that linker errors 33dnl cause failure. 34AC_DEFUN([JE_COMPILABLE], 35[ 36AC_CACHE_CHECK([whether $1 is compilable], 37 [$4], 38 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], 39 [$3])], 40 [$4=yes], 41 [$4=no])]) 42]) 43 44dnl ============================================================================ 45 46dnl Library revision. 47rev=2 48AC_SUBST([rev]) 49 50srcroot=$srcdir 51if test "x${srcroot}" = "x." ; then 52 srcroot="" 53else 54 srcroot="${srcroot}/" 55fi 56AC_SUBST([srcroot]) 57abs_srcroot="`cd \"${srcdir}\"; pwd`/" 58AC_SUBST([abs_srcroot]) 59 60objroot="" 61AC_SUBST([objroot]) 62abs_objroot="`pwd`/" 63AC_SUBST([abs_objroot]) 64 65dnl Munge install path variables. 66if test "x$prefix" = "xNONE" ; then 67 prefix="/usr/local" 68fi 69if test "x$exec_prefix" = "xNONE" ; then 70 exec_prefix=$prefix 71fi 72PREFIX=$prefix 73AC_SUBST([PREFIX]) 74BINDIR=`eval echo $bindir` 75BINDIR=`eval echo $BINDIR` 76AC_SUBST([BINDIR]) 77INCLUDEDIR=`eval echo $includedir` 78INCLUDEDIR=`eval echo $INCLUDEDIR` 79AC_SUBST([INCLUDEDIR]) 80LIBDIR=`eval echo $libdir` 81LIBDIR=`eval echo $LIBDIR` 82AC_SUBST([LIBDIR]) 83DATADIR=`eval echo $datadir` 84DATADIR=`eval echo $DATADIR` 85AC_SUBST([DATADIR]) 86MANDIR=`eval echo $mandir` 87MANDIR=`eval echo $MANDIR` 88AC_SUBST([MANDIR]) 89 90dnl Support for building documentation. 91AC_PATH_PROG([XSLTPROC], [xsltproc], [false], [$PATH]) 92if test -d "/usr/share/xml/docbook/stylesheet/docbook-xsl" ; then 93 DEFAULT_XSLROOT="/usr/share/xml/docbook/stylesheet/docbook-xsl" 94elif test -d "/usr/share/sgml/docbook/xsl-stylesheets" ; then 95 DEFAULT_XSLROOT="/usr/share/sgml/docbook/xsl-stylesheets" 96else 97 dnl Documentation building will fail if this default gets used. 98 DEFAULT_XSLROOT="" 99fi 100AC_ARG_WITH([xslroot], 101 [AS_HELP_STRING([--with-xslroot=<path>], [XSL stylesheet root path])], [ 102if test "x$with_xslroot" = "xno" ; then 103 XSLROOT="${DEFAULT_XSLROOT}" 104else 105 XSLROOT="${with_xslroot}" 106fi 107], 108 XSLROOT="${DEFAULT_XSLROOT}" 109) 110AC_SUBST([XSLROOT]) 111 112dnl If CFLAGS isn't defined, set CFLAGS to something reasonable. Otherwise, 113dnl just prevent autoconf from molesting CFLAGS. 114CFLAGS=$CFLAGS 115AC_PROG_CC 116if test "x$GCC" != "xyes" ; then 117 AC_CACHE_CHECK([whether compiler is MSVC], 118 [je_cv_msvc], 119 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], 120 [ 121#ifndef _MSC_VER 122 int fail[-1]; 123#endif 124])], 125 [je_cv_msvc=yes], 126 [je_cv_msvc=no])]) 127fi 128 129if test "x$CFLAGS" = "x" ; then 130 no_CFLAGS="yes" 131 if test "x$GCC" = "xyes" ; then 132 JE_CFLAGS_APPEND([-std=gnu99]) 133 if test "x$je_cv_cflags_appended" = "x-std=gnu99" ; then 134 AC_DEFINE_UNQUOTED([JEMALLOC_HAS_RESTRICT]) 135 fi 136 JE_CFLAGS_APPEND([-Wall]) 137 JE_CFLAGS_APPEND([-pipe]) 138 JE_CFLAGS_APPEND([-g3]) 139 elif test "x$je_cv_msvc" = "xyes" ; then 140 CC="$CC -nologo" 141 JE_CFLAGS_APPEND([-Zi]) 142 JE_CFLAGS_APPEND([-MT]) 143 JE_CFLAGS_APPEND([-W3]) 144 CPPFLAGS="$CPPFLAGS -I${srcroot}/include/msvc_compat" 145 fi 146fi 147dnl Append EXTRA_CFLAGS to CFLAGS, if defined. 148if test "x$EXTRA_CFLAGS" != "x" ; then 149 JE_CFLAGS_APPEND([$EXTRA_CFLAGS]) 150fi 151AC_PROG_CPP 152 153AC_C_BIGENDIAN([ac_cv_big_endian=1], [ac_cv_big_endian=0]) 154if test "x${ac_cv_big_endian}" = "x1" ; then 155 AC_DEFINE_UNQUOTED([JEMALLOC_BIG_ENDIAN], [ ]) 156fi 157 158AC_CHECK_SIZEOF([void *]) 159if test "x${ac_cv_sizeof_void_p}" = "x8" ; then 160 LG_SIZEOF_PTR=3 161elif test "x${ac_cv_sizeof_void_p}" = "x4" ; then 162 LG_SIZEOF_PTR=2 163else 164 AC_MSG_ERROR([Unsupported pointer size: ${ac_cv_sizeof_void_p}]) 165fi 166AC_DEFINE_UNQUOTED([LG_SIZEOF_PTR], [$LG_SIZEOF_PTR]) 167 168AC_CHECK_SIZEOF([int]) 169if test "x${ac_cv_sizeof_int}" = "x8" ; then 170 LG_SIZEOF_INT=3 171elif test "x${ac_cv_sizeof_int}" = "x4" ; then 172 LG_SIZEOF_INT=2 173else 174 AC_MSG_ERROR([Unsupported int size: ${ac_cv_sizeof_int}]) 175fi 176AC_DEFINE_UNQUOTED([LG_SIZEOF_INT], [$LG_SIZEOF_INT]) 177 178AC_CHECK_SIZEOF([long]) 179if test "x${ac_cv_sizeof_long}" = "x8" ; then 180 LG_SIZEOF_LONG=3 181elif test "x${ac_cv_sizeof_long}" = "x4" ; then 182 LG_SIZEOF_LONG=2 183else 184 AC_MSG_ERROR([Unsupported long size: ${ac_cv_sizeof_long}]) 185fi 186AC_DEFINE_UNQUOTED([LG_SIZEOF_LONG], [$LG_SIZEOF_LONG]) 187 188AC_CHECK_SIZEOF([intmax_t]) 189if test "x${ac_cv_sizeof_intmax_t}" = "x16" ; then 190 LG_SIZEOF_INTMAX_T=4 191elif test "x${ac_cv_sizeof_intmax_t}" = "x8" ; then 192 LG_SIZEOF_INTMAX_T=3 193elif test "x${ac_cv_sizeof_intmax_t}" = "x4" ; then 194 LG_SIZEOF_INTMAX_T=2 195else 196 AC_MSG_ERROR([Unsupported intmax_t size: ${ac_cv_sizeof_intmax_t}]) 197fi 198AC_DEFINE_UNQUOTED([LG_SIZEOF_INTMAX_T], [$LG_SIZEOF_INTMAX_T]) 199 200AC_CANONICAL_HOST 201dnl CPU-specific settings. 202CPU_SPINWAIT="" 203case "${host_cpu}" in 204 i[[345]]86) 205 ;; 206 i686|x86_64) 207 JE_COMPILABLE([pause instruction], [], 208 [[__asm__ volatile("pause"); return 0;]], 209 [je_cv_pause]) 210 if test "x${je_cv_pause}" = "xyes" ; then 211 CPU_SPINWAIT='__asm__ volatile("pause")' 212 fi 213 dnl emmintrin.h fails to compile unless MMX, SSE, and SSE2 are 214 dnl supported. 215 JE_COMPILABLE([SSE2 intrinsics], [ 216#include <emmintrin.h> 217], [], [je_cv_sse2]) 218 if test "x${je_cv_sse2}" = "xyes" ; then 219 AC_DEFINE_UNQUOTED([HAVE_SSE2], [ ]) 220 fi 221 ;; 222 powerpc) 223 AC_DEFINE_UNQUOTED([HAVE_ALTIVEC], [ ]) 224 ;; 225 *) 226 ;; 227esac 228AC_DEFINE_UNQUOTED([CPU_SPINWAIT], [$CPU_SPINWAIT]) 229 230LD_PRELOAD_VAR="LD_PRELOAD" 231so="so" 232importlib="${so}" 233o="$ac_objext" 234a="a" 235exe="$ac_exeext" 236libprefix="lib" 237DSO_LDFLAGS='-shared -Wl,-soname,$(@F)' 238RPATH='-Wl,-rpath,$(1)' 239SOREV="${so}.${rev}" 240PIC_CFLAGS='-fPIC -DPIC' 241CTARGET='-o $@' 242LDTARGET='-o $@' 243EXTRA_LDFLAGS= 244ARFLAGS='crus' 245AROUT=' $@' 246CC_MM=1 247 248AN_MAKEVAR([AR], [AC_PROG_AR]) 249AN_PROGRAM([ar], [AC_PROG_AR]) 250AC_DEFUN([AC_PROG_AR], [AC_CHECK_TOOL(AR, ar, :)]) 251AC_PROG_AR 252 253dnl Platform-specific settings. abi and RPATH can probably be determined 254dnl programmatically, but doing so is error-prone, which makes it generally 255dnl not worth the trouble. 256dnl 257dnl Define cpp macros in CPPFLAGS, rather than doing AC_DEFINE(macro), since the 258dnl definitions need to be seen before any headers are included, which is a pain 259dnl to make happen otherwise. 260default_munmap="1" 261case "${host}" in 262 *-*-darwin*) 263 CFLAGS="$CFLAGS" 264 abi="macho" 265 AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) 266 RPATH="" 267 LD_PRELOAD_VAR="DYLD_INSERT_LIBRARIES" 268 so="dylib" 269 importlib="${so}" 270 force_tls="0" 271 DSO_LDFLAGS='-shared -Wl,-dylib_install_name,$(@F)' 272 SOREV="${rev}.${so}" 273 sbrk_deprecated="1" 274 ;; 275 *-*-freebsd*) 276 CFLAGS="$CFLAGS" 277 abi="elf" 278 AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) 279 force_lazy_lock="1" 280 ;; 281 *-*-linux*) 282 CFLAGS="$CFLAGS" 283 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE" 284 abi="elf" 285 AC_DEFINE([JEMALLOC_HAS_ALLOCA_H]) 286 AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED], [ ]) 287 AC_DEFINE([JEMALLOC_THREADED_INIT], [ ]) 288 default_munmap="0" 289 ;; 290 *-*-netbsd*) 291 AC_MSG_CHECKING([ABI]) 292 AC_COMPILE_IFELSE([AC_LANG_PROGRAM( 293[[#ifdef __ELF__ 294/* ELF */ 295#else 296#error aout 297#endif 298]])], 299 [CFLAGS="$CFLAGS"; abi="elf"], 300 [abi="aout"]) 301 AC_MSG_RESULT([$abi]) 302 AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) 303 ;; 304 *-*-solaris2*) 305 CFLAGS="$CFLAGS" 306 abi="elf" 307 AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) 308 RPATH='-Wl,-R,$(1)' 309 dnl Solaris needs this for sigwait(). 310 CPPFLAGS="$CPPFLAGS -D_POSIX_PTHREAD_SEMANTICS" 311 LIBS="$LIBS -lposix4 -lsocket -lnsl" 312 ;; 313 *-ibm-aix*) 314 if "$LG_SIZEOF_PTR" = "8"; then 315 dnl 64bit AIX 316 LD_PRELOAD_VAR="LDR_PRELOAD64" 317 else 318 dnl 32bit AIX 319 LD_PRELOAD_VAR="LDR_PRELOAD" 320 fi 321 abi="xcoff" 322 ;; 323 *-*-mingw*) 324 abi="pecoff" 325 force_tls="0" 326 RPATH="" 327 so="dll" 328 if test "x$je_cv_msvc" = "xyes" ; then 329 importlib="lib" 330 DSO_LDFLAGS="-LD" 331 EXTRA_LDFLAGS="-link -DEBUG" 332 CTARGET='-Fo$@' 333 LDTARGET='-Fe$@' 334 AR='lib' 335 ARFLAGS='-nologo -out:' 336 AROUT='$@' 337 CC_MM= 338 else 339 importlib="${so}" 340 DSO_LDFLAGS="-shared" 341 fi 342 a="lib" 343 libprefix="" 344 SOREV="${so}" 345 PIC_CFLAGS="" 346 ;; 347 *) 348 AC_MSG_RESULT([Unsupported operating system: ${host}]) 349 abi="elf" 350 ;; 351esac 352 353JEMALLOC_USABLE_SIZE_CONST=const 354AC_CHECK_HEADERS([malloc.h], [ 355 AC_MSG_CHECKING([whether malloc_usable_size definition can use const argument]) 356 AC_COMPILE_IFELSE([AC_LANG_PROGRAM( 357 [#include <malloc.h> 358 #include <stddef.h> 359 size_t malloc_usable_size(const void *ptr); 360 ], 361 [])],[ 362 AC_MSG_RESULT([yes]) 363 ],[ 364 JEMALLOC_USABLE_SIZE_CONST= 365 AC_MSG_RESULT([no]) 366 ]) 367]) 368AC_DEFINE_UNQUOTED([JEMALLOC_USABLE_SIZE_CONST], [$JEMALLOC_USABLE_SIZE_CONST]) 369AC_SUBST([abi]) 370AC_SUBST([RPATH]) 371AC_SUBST([LD_PRELOAD_VAR]) 372AC_SUBST([so]) 373AC_SUBST([importlib]) 374AC_SUBST([o]) 375AC_SUBST([a]) 376AC_SUBST([exe]) 377AC_SUBST([libprefix]) 378AC_SUBST([DSO_LDFLAGS]) 379AC_SUBST([EXTRA_LDFLAGS]) 380AC_SUBST([SOREV]) 381AC_SUBST([PIC_CFLAGS]) 382AC_SUBST([CTARGET]) 383AC_SUBST([LDTARGET]) 384AC_SUBST([MKLIB]) 385AC_SUBST([ARFLAGS]) 386AC_SUBST([AROUT]) 387AC_SUBST([CC_MM]) 388 389JE_COMPILABLE([__attribute__ syntax], 390 [static __attribute__((unused)) void foo(void){}], 391 [], 392 [je_cv_attribute]) 393if test "x${je_cv_attribute}" = "xyes" ; then 394 AC_DEFINE([JEMALLOC_HAVE_ATTR], [ ]) 395 if test "x${GCC}" = "xyes" -a "x${abi}" = "xelf"; then 396 JE_CFLAGS_APPEND([-fvisibility=hidden]) 397 fi 398fi 399dnl Check for tls_model attribute support (clang 3.0 still lacks support). 400SAVED_CFLAGS="${CFLAGS}" 401JE_CFLAGS_APPEND([-Werror]) 402JE_COMPILABLE([tls_model attribute], [], 403 [static __thread int 404 __attribute__((tls_model("initial-exec"))) foo; 405 foo = 0;], 406 [je_cv_tls_model]) 407CFLAGS="${SAVED_CFLAGS}" 408if test "x${je_cv_tls_model}" = "xyes" ; then 409 AC_DEFINE([JEMALLOC_TLS_MODEL], 410 [__attribute__((tls_model("initial-exec")))]) 411else 412 AC_DEFINE([JEMALLOC_TLS_MODEL], [ ]) 413fi 414 415dnl Support optional additions to rpath. 416AC_ARG_WITH([rpath], 417 [AS_HELP_STRING([--with-rpath=<rpath>], [Colon-separated rpath (ELF systems only)])], 418if test "x$with_rpath" = "xno" ; then 419 RPATH_EXTRA= 420else 421 RPATH_EXTRA="`echo $with_rpath | tr \":\" \" \"`" 422fi, 423 RPATH_EXTRA= 424) 425AC_SUBST([RPATH_EXTRA]) 426 427dnl Disable rules that do automatic regeneration of configure output by default. 428AC_ARG_ENABLE([autogen], 429 [AS_HELP_STRING([--enable-autogen], [Automatically regenerate configure output])], 430if test "x$enable_autogen" = "xno" ; then 431 enable_autogen="0" 432else 433 enable_autogen="1" 434fi 435, 436enable_autogen="0" 437) 438AC_SUBST([enable_autogen]) 439 440AC_PROG_INSTALL 441AC_PROG_RANLIB 442AC_PATH_PROG([LD], [ld], [false], [$PATH]) 443AC_PATH_PROG([AUTOCONF], [autoconf], [false], [$PATH]) 444 445public_syms="malloc_conf malloc_message malloc calloc posix_memalign aligned_alloc realloc free mallocx rallocx xallocx sallocx dallocx nallocx mallctl mallctlnametomib mallctlbymib malloc_stats_print malloc_usable_size" 446 447dnl Check for allocator-related functions that should be wrapped. 448AC_CHECK_FUNC([memalign], 449 [AC_DEFINE([JEMALLOC_OVERRIDE_MEMALIGN], [ ]) 450 public_syms="${public_syms} memalign"]) 451AC_CHECK_FUNC([valloc], 452 [AC_DEFINE([JEMALLOC_OVERRIDE_VALLOC], [ ]) 453 public_syms="${public_syms} valloc"]) 454 455dnl Do not compute test code coverage by default. 456GCOV_FLAGS= 457AC_ARG_ENABLE([code-coverage], 458 [AS_HELP_STRING([--enable-code-coverage], 459 [Enable code coverage])], 460[if test "x$enable_code_coverage" = "xno" ; then 461 enable_code_coverage="0" 462else 463 enable_code_coverage="1" 464fi 465], 466[enable_code_coverage="0"] 467) 468if test "x$enable_code_coverage" = "x1" ; then 469 deoptimize="no" 470 echo "$CFLAGS $EXTRA_CFLAGS" | grep '\-O' >/dev/null || deoptimize="yes" 471 if test "x${deoptimize}" = "xyes" ; then 472 JE_CFLAGS_APPEND([-O0]) 473 fi 474 JE_CFLAGS_APPEND([-fprofile-arcs -ftest-coverage]) 475 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -fprofile-arcs -ftest-coverage" 476 AC_DEFINE([JEMALLOC_CODE_COVERAGE], [ ]) 477fi 478AC_SUBST([enable_code_coverage]) 479 480dnl Perform no name mangling by default. 481AC_ARG_WITH([mangling], 482 [AS_HELP_STRING([--with-mangling=<map>], [Mangle symbols in <map>])], 483 [mangling_map="$with_mangling"], [mangling_map=""]) 484 485dnl Do not prefix public APIs by default. 486AC_ARG_WITH([jemalloc_prefix], 487 [AS_HELP_STRING([--with-jemalloc-prefix=<prefix>], [Prefix to prepend to all public APIs])], 488 [JEMALLOC_PREFIX="$with_jemalloc_prefix"], 489 [if test "x$abi" != "xmacho" -a "x$abi" != "xpecoff"; then 490 JEMALLOC_PREFIX="" 491else 492 JEMALLOC_PREFIX="je_" 493fi] 494) 495if test "x$JEMALLOC_PREFIX" != "x" ; then 496 JEMALLOC_CPREFIX=`echo ${JEMALLOC_PREFIX} | tr "a-z" "A-Z"` 497 AC_DEFINE_UNQUOTED([JEMALLOC_PREFIX], ["$JEMALLOC_PREFIX"]) 498 AC_DEFINE_UNQUOTED([JEMALLOC_CPREFIX], ["$JEMALLOC_CPREFIX"]) 499fi 500 501AC_ARG_WITH([export], 502 [AS_HELP_STRING([--without-export], [disable exporting jemalloc public APIs])], 503 [if test "x$with_export" = "xno"; then 504 AC_DEFINE([JEMALLOC_EXPORT],[]) 505fi] 506) 507 508dnl Mangle library-private APIs. 509AC_ARG_WITH([private_namespace], 510 [AS_HELP_STRING([--with-private-namespace=<prefix>], [Prefix to prepend to all library-private APIs])], 511 [JEMALLOC_PRIVATE_NAMESPACE="${with_private_namespace}je_"], 512 [JEMALLOC_PRIVATE_NAMESPACE="je_"] 513) 514AC_DEFINE_UNQUOTED([JEMALLOC_PRIVATE_NAMESPACE], [$JEMALLOC_PRIVATE_NAMESPACE]) 515private_namespace="$JEMALLOC_PRIVATE_NAMESPACE" 516AC_SUBST([private_namespace]) 517 518dnl Do not add suffix to installed files by default. 519AC_ARG_WITH([install_suffix], 520 [AS_HELP_STRING([--with-install-suffix=<suffix>], [Suffix to append to all installed files])], 521 [INSTALL_SUFFIX="$with_install_suffix"], 522 [INSTALL_SUFFIX=] 523) 524install_suffix="$INSTALL_SUFFIX" 525AC_SUBST([install_suffix]) 526 527dnl Substitute @je_@ in jemalloc_protos.h.in, primarily to make generation of 528dnl jemalloc_protos_jet.h easy. 529je_="je_" 530AC_SUBST([je_]) 531 532cfgoutputs_in="${srcroot}Makefile.in" 533cfgoutputs_in="${cfgoutputs_in} ${srcroot}doc/html.xsl.in" 534cfgoutputs_in="${cfgoutputs_in} ${srcroot}doc/manpages.xsl.in" 535cfgoutputs_in="${cfgoutputs_in} ${srcroot}doc/jemalloc.xml.in" 536cfgoutputs_in="${cfgoutputs_in} ${srcroot}include/jemalloc/jemalloc_macros.h.in" 537cfgoutputs_in="${cfgoutputs_in} ${srcroot}include/jemalloc/jemalloc_protos.h.in" 538cfgoutputs_in="${cfgoutputs_in} ${srcroot}include/jemalloc/internal/jemalloc_internal.h.in" 539cfgoutputs_in="${cfgoutputs_in} ${srcroot}test/test.sh.in" 540cfgoutputs_in="${cfgoutputs_in} ${srcroot}test/include/test/jemalloc_test.h.in" 541 542cfgoutputs_out="Makefile" 543cfgoutputs_out="${cfgoutputs_out} doc/html.xsl" 544cfgoutputs_out="${cfgoutputs_out} doc/manpages.xsl" 545cfgoutputs_out="${cfgoutputs_out} doc/jemalloc.xml" 546cfgoutputs_out="${cfgoutputs_out} include/jemalloc/jemalloc_macros.h" 547cfgoutputs_out="${cfgoutputs_out} include/jemalloc/jemalloc_protos.h" 548cfgoutputs_out="${cfgoutputs_out} include/jemalloc/internal/jemalloc_internal.h" 549cfgoutputs_out="${cfgoutputs_out} test/test.sh" 550cfgoutputs_out="${cfgoutputs_out} test/include/test/jemalloc_test.h" 551 552cfgoutputs_tup="Makefile" 553cfgoutputs_tup="${cfgoutputs_tup} doc/html.xsl:doc/html.xsl.in" 554cfgoutputs_tup="${cfgoutputs_tup} doc/manpages.xsl:doc/manpages.xsl.in" 555cfgoutputs_tup="${cfgoutputs_tup} doc/jemalloc.xml:doc/jemalloc.xml.in" 556cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/jemalloc_macros.h:include/jemalloc/jemalloc_macros.h.in" 557cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/jemalloc_protos.h:include/jemalloc/jemalloc_protos.h.in" 558cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/internal/jemalloc_internal.h" 559cfgoutputs_tup="${cfgoutputs_tup} test/test.sh:test/test.sh.in" 560cfgoutputs_tup="${cfgoutputs_tup} test/include/test/jemalloc_test.h:test/include/test/jemalloc_test.h.in" 561 562cfghdrs_in="${srcroot}include/jemalloc/jemalloc_defs.h.in" 563cfghdrs_in="${cfghdrs_in} ${srcroot}include/jemalloc/internal/jemalloc_internal_defs.h.in" 564cfghdrs_in="${cfghdrs_in} ${srcroot}include/jemalloc/internal/private_namespace.sh" 565cfghdrs_in="${cfghdrs_in} ${srcroot}include/jemalloc/internal/private_unnamespace.sh" 566cfghdrs_in="${cfghdrs_in} ${srcroot}include/jemalloc/internal/private_symbols.txt" 567cfghdrs_in="${cfghdrs_in} ${srcroot}include/jemalloc/internal/public_namespace.sh" 568cfghdrs_in="${cfghdrs_in} ${srcroot}include/jemalloc/internal/public_unnamespace.sh" 569cfghdrs_in="${cfghdrs_in} ${srcroot}include/jemalloc/internal/size_classes.sh" 570cfghdrs_in="${cfghdrs_in} ${srcroot}include/jemalloc/jemalloc_rename.sh" 571cfghdrs_in="${cfghdrs_in} ${srcroot}include/jemalloc/jemalloc_mangle.sh" 572cfghdrs_in="${cfghdrs_in} ${srcroot}include/jemalloc/jemalloc.sh" 573cfghdrs_in="${cfghdrs_in} ${srcroot}test/include/test/jemalloc_test_defs.h.in" 574 575cfghdrs_out="include/jemalloc/jemalloc_defs.h" 576cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc${install_suffix}.h" 577cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/private_namespace.h" 578cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/private_unnamespace.h" 579cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/public_symbols.txt" 580cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/public_namespace.h" 581cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/public_unnamespace.h" 582cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/size_classes.h" 583cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_protos_jet.h" 584cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_rename.h" 585cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_mangle.h" 586cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_mangle_jet.h" 587cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/jemalloc_internal_defs.h" 588cfghdrs_out="${cfghdrs_out} test/include/test/jemalloc_test_defs.h" 589 590cfghdrs_tup="include/jemalloc/jemalloc_defs.h:include/jemalloc/jemalloc_defs.h.in" 591cfghdrs_tup="${cfghdrs_tup} include/jemalloc/internal/jemalloc_internal_defs.h:${srcroot}include/jemalloc/internal/jemalloc_internal_defs.h.in" 592cfghdrs_tup="${cfghdrs_tup} test/include/test/jemalloc_test_defs.h:${srcroot}test/include/test/jemalloc_test_defs.h.in" 593 594dnl Silence irrelevant compiler warnings by default. 595AC_ARG_ENABLE([cc-silence], 596 [AS_HELP_STRING([--disable-cc-silence], 597 [Do not silence irrelevant compiler warnings])], 598[if test "x$enable_cc_silence" = "xno" ; then 599 enable_cc_silence="0" 600else 601 enable_cc_silence="1" 602fi 603], 604[enable_cc_silence="1"] 605) 606if test "x$enable_cc_silence" = "x1" ; then 607 AC_DEFINE([JEMALLOC_CC_SILENCE], [ ]) 608fi 609 610dnl Do not compile with debugging by default. 611AC_ARG_ENABLE([debug], 612 [AS_HELP_STRING([--enable-debug], [Build debugging code (implies --enable-ivsalloc)])], 613[if test "x$enable_debug" = "xno" ; then 614 enable_debug="0" 615else 616 enable_debug="1" 617fi 618], 619[enable_debug="0"] 620) 621if test "x$enable_debug" = "x1" ; then 622 AC_DEFINE([JEMALLOC_DEBUG], [ ]) 623 enable_ivsalloc="1" 624fi 625AC_SUBST([enable_debug]) 626 627dnl Do not validate pointers by default. 628AC_ARG_ENABLE([ivsalloc], 629 [AS_HELP_STRING([--enable-ivsalloc], [Validate pointers passed through the public API])], 630[if test "x$enable_ivsalloc" = "xno" ; then 631 enable_ivsalloc="0" 632else 633 enable_ivsalloc="1" 634fi 635], 636[enable_ivsalloc="0"] 637) 638if test "x$enable_ivsalloc" = "x1" ; then 639 AC_DEFINE([JEMALLOC_IVSALLOC], [ ]) 640fi 641 642dnl Only optimize if not debugging. 643if test "x$enable_debug" = "x0" -a "x$no_CFLAGS" = "xyes" ; then 644 dnl Make sure that an optimization flag was not specified in EXTRA_CFLAGS. 645 optimize="no" 646 echo "$CFLAGS $EXTRA_CFLAGS" | grep '\-O' >/dev/null || optimize="yes" 647 if test "x${optimize}" = "xyes" ; then 648 if test "x$GCC" = "xyes" ; then 649 JE_CFLAGS_APPEND([-O3]) 650 JE_CFLAGS_APPEND([-funroll-loops]) 651 elif test "x$je_cv_msvc" = "xyes" ; then 652 JE_CFLAGS_APPEND([-O2]) 653 else 654 JE_CFLAGS_APPEND([-O]) 655 fi 656 fi 657fi 658 659dnl Enable statistics calculation by default. 660AC_ARG_ENABLE([stats], 661 [AS_HELP_STRING([--disable-stats], 662 [Disable statistics calculation/reporting])], 663[if test "x$enable_stats" = "xno" ; then 664 enable_stats="0" 665else 666 enable_stats="1" 667fi 668], 669[enable_stats="1"] 670) 671if test "x$enable_stats" = "x1" ; then 672 AC_DEFINE([JEMALLOC_STATS], [ ]) 673fi 674AC_SUBST([enable_stats]) 675 676dnl Do not enable profiling by default. 677AC_ARG_ENABLE([prof], 678 [AS_HELP_STRING([--enable-prof], [Enable allocation profiling])], 679[if test "x$enable_prof" = "xno" ; then 680 enable_prof="0" 681else 682 enable_prof="1" 683fi 684], 685[enable_prof="0"] 686) 687if test "x$enable_prof" = "x1" ; then 688 backtrace_method="" 689else 690 backtrace_method="N/A" 691fi 692 693AC_ARG_ENABLE([prof-libunwind], 694 [AS_HELP_STRING([--enable-prof-libunwind], [Use libunwind for backtracing])], 695[if test "x$enable_prof_libunwind" = "xno" ; then 696 enable_prof_libunwind="0" 697else 698 enable_prof_libunwind="1" 699fi 700], 701[enable_prof_libunwind="0"] 702) 703AC_ARG_WITH([static_libunwind], 704 [AS_HELP_STRING([--with-static-libunwind=<libunwind.a>], 705 [Path to static libunwind library; use rather than dynamically linking])], 706if test "x$with_static_libunwind" = "xno" ; then 707 LUNWIND="-lunwind" 708else 709 if test ! -f "$with_static_libunwind" ; then 710 AC_MSG_ERROR([Static libunwind not found: $with_static_libunwind]) 711 fi 712 LUNWIND="$with_static_libunwind" 713fi, 714 LUNWIND="-lunwind" 715) 716if test "x$backtrace_method" = "x" -a "x$enable_prof_libunwind" = "x1" ; then 717 AC_CHECK_HEADERS([libunwind.h], , [enable_prof_libunwind="0"]) 718 if test "x$LUNWIND" = "x-lunwind" ; then 719 AC_CHECK_LIB([unwind], [unw_backtrace], [LIBS="$LIBS $LUNWIND"], 720 [enable_prof_libunwind="0"]) 721 else 722 LIBS="$LIBS $LUNWIND" 723 fi 724 if test "x${enable_prof_libunwind}" = "x1" ; then 725 backtrace_method="libunwind" 726 AC_DEFINE([JEMALLOC_PROF_LIBUNWIND], [ ]) 727 fi 728fi 729 730AC_ARG_ENABLE([prof-libgcc], 731 [AS_HELP_STRING([--disable-prof-libgcc], 732 [Do not use libgcc for backtracing])], 733[if test "x$enable_prof_libgcc" = "xno" ; then 734 enable_prof_libgcc="0" 735else 736 enable_prof_libgcc="1" 737fi 738], 739[enable_prof_libgcc="1"] 740) 741if test "x$backtrace_method" = "x" -a "x$enable_prof_libgcc" = "x1" \ 742 -a "x$GCC" = "xyes" ; then 743 AC_CHECK_HEADERS([unwind.h], , [enable_prof_libgcc="0"]) 744 AC_CHECK_LIB([gcc], [_Unwind_Backtrace], [LIBS="$LIBS -lgcc"], [enable_prof_libgcc="0"]) 745 if test "x${enable_prof_libgcc}" = "x1" ; then 746 backtrace_method="libgcc" 747 AC_DEFINE([JEMALLOC_PROF_LIBGCC], [ ]) 748 fi 749else 750 enable_prof_libgcc="0" 751fi 752 753AC_ARG_ENABLE([prof-gcc], 754 [AS_HELP_STRING([--disable-prof-gcc], 755 [Do not use gcc intrinsics for backtracing])], 756[if test "x$enable_prof_gcc" = "xno" ; then 757 enable_prof_gcc="0" 758else 759 enable_prof_gcc="1" 760fi 761], 762[enable_prof_gcc="1"] 763) 764if test "x$backtrace_method" = "x" -a "x$enable_prof_gcc" = "x1" \ 765 -a "x$GCC" = "xyes" ; then 766 JE_CFLAGS_APPEND([-fno-omit-frame-pointer]) 767 backtrace_method="gcc intrinsics" 768 AC_DEFINE([JEMALLOC_PROF_GCC], [ ]) 769else 770 enable_prof_gcc="0" 771fi 772 773if test "x$backtrace_method" = "x" ; then 774 backtrace_method="none (disabling profiling)" 775 enable_prof="0" 776fi 777AC_MSG_CHECKING([configured backtracing method]) 778AC_MSG_RESULT([$backtrace_method]) 779if test "x$enable_prof" = "x1" ; then 780 if test "x${force_tls}" = "x0" ; then 781 AC_MSG_ERROR([Heap profiling requires TLS]); 782 fi 783 force_tls="1" 784 785 if test "x$abi" != "xpecoff"; then 786 dnl Heap profiling uses the log(3) function. 787 LIBS="$LIBS -lm" 788 fi 789 790 AC_DEFINE([JEMALLOC_PROF], [ ]) 791fi 792AC_SUBST([enable_prof]) 793 794dnl Enable thread-specific caching by default. 795AC_ARG_ENABLE([tcache], 796 [AS_HELP_STRING([--disable-tcache], [Disable per thread caches])], 797[if test "x$enable_tcache" = "xno" ; then 798 enable_tcache="0" 799else 800 enable_tcache="1" 801fi 802], 803[enable_tcache="1"] 804) 805if test "x$enable_tcache" = "x1" ; then 806 AC_DEFINE([JEMALLOC_TCACHE], [ ]) 807fi 808AC_SUBST([enable_tcache]) 809 810dnl Enable VM deallocation via munmap() by default. 811AC_ARG_ENABLE([munmap], 812 [AS_HELP_STRING([--disable-munmap], [Disable VM deallocation via munmap(2)])], 813[if test "x$enable_munmap" = "xno" ; then 814 enable_munmap="0" 815else 816 enable_munmap="1" 817fi 818], 819[enable_munmap="${default_munmap}"] 820) 821if test "x$enable_munmap" = "x1" ; then 822 AC_DEFINE([JEMALLOC_MUNMAP], [ ]) 823fi 824AC_SUBST([enable_munmap]) 825 826dnl Enable allocation from DSS if supported by the OS. 827have_dss="1" 828dnl Check whether the BSD/SUSv1 sbrk() exists. If not, disable DSS support. 829AC_CHECK_FUNC([sbrk], [have_sbrk="1"], [have_sbrk="0"]) 830if test "x$have_sbrk" = "x1" ; then 831 if test "x$sbrk_deprecated" == "x1" ; then 832 AC_MSG_RESULT([Disabling dss allocation because sbrk is deprecated]) 833 have_dss="0" 834 fi 835else 836 have_dss="0" 837fi 838 839if test "x$have_dss" = "x1" ; then 840 AC_DEFINE([JEMALLOC_DSS], [ ]) 841fi 842 843dnl Support the junk/zero filling option by default. 844AC_ARG_ENABLE([fill], 845 [AS_HELP_STRING([--disable-fill], 846 [Disable support for junk/zero filling, quarantine, and redzones])], 847[if test "x$enable_fill" = "xno" ; then 848 enable_fill="0" 849else 850 enable_fill="1" 851fi 852], 853[enable_fill="1"] 854) 855if test "x$enable_fill" = "x1" ; then 856 AC_DEFINE([JEMALLOC_FILL], [ ]) 857fi 858AC_SUBST([enable_fill]) 859 860dnl Disable utrace(2)-based tracing by default. 861AC_ARG_ENABLE([utrace], 862 [AS_HELP_STRING([--enable-utrace], [Enable utrace(2)-based tracing])], 863[if test "x$enable_utrace" = "xno" ; then 864 enable_utrace="0" 865else 866 enable_utrace="1" 867fi 868], 869[enable_utrace="0"] 870) 871JE_COMPILABLE([utrace(2)], [ 872#include <sys/types.h> 873#include <sys/param.h> 874#include <sys/time.h> 875#include <sys/uio.h> 876#include <sys/ktrace.h> 877], [ 878 utrace((void *)0, 0); 879], [je_cv_utrace]) 880if test "x${je_cv_utrace}" = "xno" ; then 881 enable_utrace="0" 882fi 883if test "x$enable_utrace" = "x1" ; then 884 AC_DEFINE([JEMALLOC_UTRACE], [ ]) 885fi 886AC_SUBST([enable_utrace]) 887 888dnl Support Valgrind by default. 889AC_ARG_ENABLE([valgrind], 890 [AS_HELP_STRING([--disable-valgrind], [Disable support for Valgrind])], 891[if test "x$enable_valgrind" = "xno" ; then 892 enable_valgrind="0" 893else 894 enable_valgrind="1" 895fi 896], 897[enable_valgrind="1"] 898) 899if test "x$enable_valgrind" = "x1" ; then 900 JE_COMPILABLE([valgrind], [ 901#include <valgrind/valgrind.h> 902#include <valgrind/memcheck.h> 903 904#if !defined(VALGRIND_RESIZEINPLACE_BLOCK) 905# error "Incompatible Valgrind version" 906#endif 907], [], [je_cv_valgrind]) 908 if test "x${je_cv_valgrind}" = "xno" ; then 909 enable_valgrind="0" 910 fi 911 if test "x$enable_valgrind" = "x1" ; then 912 AC_DEFINE([JEMALLOC_VALGRIND], [ ]) 913 fi 914fi 915AC_SUBST([enable_valgrind]) 916 917dnl Do not support the xmalloc option by default. 918AC_ARG_ENABLE([xmalloc], 919 [AS_HELP_STRING([--enable-xmalloc], [Support xmalloc option])], 920[if test "x$enable_xmalloc" = "xno" ; then 921 enable_xmalloc="0" 922else 923 enable_xmalloc="1" 924fi 925], 926[enable_xmalloc="0"] 927) 928if test "x$enable_xmalloc" = "x1" ; then 929 AC_DEFINE([JEMALLOC_XMALLOC], [ ]) 930fi 931AC_SUBST([enable_xmalloc]) 932 933AC_CACHE_CHECK([STATIC_PAGE_SHIFT], 934 [je_cv_static_page_shift], 935 AC_RUN_IFELSE([AC_LANG_PROGRAM( 936[[ 937#include <strings.h> 938#ifdef _WIN32 939#include <windows.h> 940#else 941#include <unistd.h> 942#endif 943#include <stdio.h> 944]], 945[[ 946 int result; 947 FILE *f; 948 949#ifdef _WIN32 950 SYSTEM_INFO si; 951 GetSystemInfo(&si); 952 result = si.dwPageSize; 953#else 954 result = sysconf(_SC_PAGESIZE); 955#endif 956 if (result == -1) { 957 return 1; 958 } 959 result = ffsl(result) - 1; 960 961 f = fopen("conftest.out", "w"); 962 if (f == NULL) { 963 return 1; 964 } 965 fprintf(f, "%d\n", result); 966 fclose(f); 967 968 return 0; 969]])], 970 [je_cv_static_page_shift=`cat conftest.out`], 971 [je_cv_static_page_shift=undefined], 972 [je_cv_static_page_shift=12])) 973 974if test "x$je_cv_static_page_shift" != "xundefined"; then 975 AC_DEFINE_UNQUOTED([STATIC_PAGE_SHIFT], [$je_cv_static_page_shift]) 976else 977 AC_MSG_ERROR([cannot determine value for STATIC_PAGE_SHIFT]) 978fi 979 980dnl ============================================================================ 981dnl jemalloc configuration. 982dnl 983 984dnl Set VERSION if source directory has an embedded git repository. 985if test -d "${srcroot}.git" ; then 986 git describe --long --abbrev=40 > ${srcroot}VERSION 987fi 988jemalloc_version=`cat ${srcroot}VERSION` 989jemalloc_version_major=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]1}'` 990jemalloc_version_minor=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]2}'` 991jemalloc_version_bugfix=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]3}'` 992jemalloc_version_nrev=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]4}'` 993jemalloc_version_gid=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]5}'` 994AC_SUBST([jemalloc_version]) 995AC_SUBST([jemalloc_version_major]) 996AC_SUBST([jemalloc_version_minor]) 997AC_SUBST([jemalloc_version_bugfix]) 998AC_SUBST([jemalloc_version_nrev]) 999AC_SUBST([jemalloc_version_gid]) 1000 1001dnl ============================================================================ 1002dnl Configure pthreads. 1003 1004if test "x$abi" != "xpecoff" ; then 1005 AC_CHECK_HEADERS([pthread.h], , [AC_MSG_ERROR([pthread.h is missing])]) 1006 dnl Some systems may embed pthreads functionality in libc; check for libpthread 1007 dnl first, but try libc too before failing. 1008 AC_CHECK_LIB([pthread], [pthread_create], [LIBS="$LIBS -lpthread"], 1009 [AC_SEARCH_LIBS([pthread_create], , , 1010 AC_MSG_ERROR([libpthread is missing]))]) 1011fi 1012 1013CPPFLAGS="$CPPFLAGS -D_REENTRANT" 1014 1015dnl Check whether the BSD-specific _malloc_thread_cleanup() exists. If so, use 1016dnl it rather than pthreads TSD cleanup functions to support cleanup during 1017dnl thread exit, in order to avoid pthreads library recursion during 1018dnl bootstrapping. 1019AC_CHECK_FUNC([_malloc_thread_cleanup], 1020 [have__malloc_thread_cleanup="1"], 1021 [have__malloc_thread_cleanup="0"] 1022 ) 1023if test "x$have__malloc_thread_cleanup" = "x1" ; then 1024 AC_DEFINE([JEMALLOC_MALLOC_THREAD_CLEANUP], [ ]) 1025 force_tls="1" 1026fi 1027 1028dnl Check whether the BSD-specific _pthread_mutex_init_calloc_cb() exists. If 1029dnl so, mutex initialization causes allocation, and we need to implement this 1030dnl callback function in order to prevent recursive allocation. 1031AC_CHECK_FUNC([_pthread_mutex_init_calloc_cb], 1032 [have__pthread_mutex_init_calloc_cb="1"], 1033 [have__pthread_mutex_init_calloc_cb="0"] 1034 ) 1035if test "x$have__pthread_mutex_init_calloc_cb" = "x1" ; then 1036 AC_DEFINE([JEMALLOC_MUTEX_INIT_CB]) 1037fi 1038 1039dnl Disable lazy locking by default. 1040AC_ARG_ENABLE([lazy_lock], 1041 [AS_HELP_STRING([--enable-lazy-lock], 1042 [Enable lazy locking (only lock when multi-threaded)])], 1043[if test "x$enable_lazy_lock" = "xno" ; then 1044 enable_lazy_lock="0" 1045else 1046 enable_lazy_lock="1" 1047fi 1048], 1049[enable_lazy_lock="0"] 1050) 1051if test "x$enable_lazy_lock" = "x0" -a "x${force_lazy_lock}" = "x1" ; then 1052 AC_MSG_RESULT([Forcing lazy-lock to avoid allocator/threading bootstrap issues]) 1053 enable_lazy_lock="1" 1054fi 1055if test "x$enable_lazy_lock" = "x1" ; then 1056 if test "x$abi" != "xpecoff" ; then 1057 AC_CHECK_HEADERS([dlfcn.h], , [AC_MSG_ERROR([dlfcn.h is missing])]) 1058 AC_CHECK_FUNC([dlsym], [], 1059 [AC_CHECK_LIB([dl], [dlsym], [LIBS="$LIBS -ldl"], 1060 [AC_MSG_ERROR([libdl is missing])]) 1061 ]) 1062 fi 1063 AC_DEFINE([JEMALLOC_LAZY_LOCK], [ ]) 1064fi 1065AC_SUBST([enable_lazy_lock]) 1066 1067AC_ARG_ENABLE([tls], 1068 [AS_HELP_STRING([--disable-tls], [Disable thread-local storage (__thread keyword)])], 1069if test "x$enable_tls" = "xno" ; then 1070 enable_tls="0" 1071else 1072 enable_tls="1" 1073fi 1074, 1075enable_tls="1" 1076) 1077if test "x${enable_tls}" = "x0" -a "x${force_tls}" = "x1" ; then 1078 AC_MSG_RESULT([Forcing TLS to avoid allocator/threading bootstrap issues]) 1079 enable_tls="1" 1080fi 1081if test "x${enable_tls}" = "x1" -a "x${force_tls}" = "x0" ; then 1082 AC_MSG_RESULT([Forcing no TLS to avoid allocator/threading bootstrap issues]) 1083 enable_tls="0" 1084fi 1085if test "x${enable_tls}" = "x1" ; then 1086AC_MSG_CHECKING([for TLS]) 1087AC_COMPILE_IFELSE([AC_LANG_PROGRAM( 1088[[ 1089 __thread int x; 1090]], [[ 1091 x = 42; 1092 1093 return 0; 1094]])], 1095 AC_MSG_RESULT([yes]), 1096 AC_MSG_RESULT([no]) 1097 enable_tls="0") 1098fi 1099AC_SUBST([enable_tls]) 1100if test "x${enable_tls}" = "x1" ; then 1101 AC_DEFINE_UNQUOTED([JEMALLOC_TLS], [ ]) 1102elif test "x${force_tls}" = "x1" ; then 1103 AC_MSG_ERROR([Failed to configure TLS, which is mandatory for correct function]) 1104fi 1105 1106dnl ============================================================================ 1107dnl Check for ffsl(3), and fail if not found. This function exists on all 1108dnl platforms that jemalloc currently has a chance of functioning on without 1109dnl modification. 1110JE_COMPILABLE([a program using ffsl], [ 1111#include <stdio.h> 1112#include <strings.h> 1113#include <string.h> 1114], [ 1115 { 1116 int rv = ffsl(0x08); 1117 printf("%d\n", rv); 1118 } 1119], [je_cv_function_ffsl]) 1120if test "x${je_cv_function_ffsl}" != "xyes" ; then 1121 AC_MSG_ERROR([Cannot build without ffsl(3)]) 1122fi 1123 1124dnl ============================================================================ 1125dnl Check for atomic(9) operations as provided on FreeBSD. 1126 1127JE_COMPILABLE([atomic(9)], [ 1128#include <sys/types.h> 1129#include <machine/atomic.h> 1130#include <inttypes.h> 1131], [ 1132 { 1133 uint32_t x32 = 0; 1134 volatile uint32_t *x32p = &x32; 1135 atomic_fetchadd_32(x32p, 1); 1136 } 1137 { 1138 unsigned long xlong = 0; 1139 volatile unsigned long *xlongp = &xlong; 1140 atomic_fetchadd_long(xlongp, 1); 1141 } 1142], [je_cv_atomic9]) 1143if test "x${je_cv_atomic9}" = "xyes" ; then 1144 AC_DEFINE([JEMALLOC_ATOMIC9]) 1145fi 1146 1147dnl ============================================================================ 1148dnl Check for atomic(3) operations as provided on Darwin. 1149 1150JE_COMPILABLE([Darwin OSAtomic*()], [ 1151#include <libkern/OSAtomic.h> 1152#include <inttypes.h> 1153], [ 1154 { 1155 int32_t x32 = 0; 1156 volatile int32_t *x32p = &x32; 1157 OSAtomicAdd32(1, x32p); 1158 } 1159 { 1160 int64_t x64 = 0; 1161 volatile int64_t *x64p = &x64; 1162 OSAtomicAdd64(1, x64p); 1163 } 1164], [je_cv_osatomic]) 1165if test "x${je_cv_osatomic}" = "xyes" ; then 1166 AC_DEFINE([JEMALLOC_OSATOMIC], [ ]) 1167fi 1168 1169dnl ============================================================================ 1170dnl Check whether __sync_{add,sub}_and_fetch() are available despite 1171dnl __GCC_HAVE_SYNC_COMPARE_AND_SWAP_n macros being undefined. 1172 1173AC_DEFUN([JE_SYNC_COMPARE_AND_SWAP_CHECK],[ 1174 AC_CACHE_CHECK([whether to force $1-bit __sync_{add,sub}_and_fetch()], 1175 [je_cv_sync_compare_and_swap_$2], 1176 [AC_LINK_IFELSE([AC_LANG_PROGRAM([ 1177 #include <stdint.h> 1178 ], 1179 [ 1180 #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_$2 1181 { 1182 uint$1_t x$1 = 0; 1183 __sync_add_and_fetch(&x$1, 42); 1184 __sync_sub_and_fetch(&x$1, 1); 1185 } 1186 #else 1187 #error __GCC_HAVE_SYNC_COMPARE_AND_SWAP_$2 is defined, no need to force 1188 #endif 1189 ])], 1190 [je_cv_sync_compare_and_swap_$2=yes], 1191 [je_cv_sync_compare_and_swap_$2=no])]) 1192 1193 if test "x${je_cv_sync_compare_and_swap_$2}" = "xyes" ; then 1194 AC_DEFINE([JE_FORCE_SYNC_COMPARE_AND_SWAP_$2], [ ]) 1195 fi 1196]) 1197 1198if test "x${je_cv_atomic9}" != "xyes" -a "x${je_cv_osatomic}" != "xyes" ; then 1199 JE_SYNC_COMPARE_AND_SWAP_CHECK(32, 4) 1200 JE_SYNC_COMPARE_AND_SWAP_CHECK(64, 8) 1201fi 1202 1203dnl ============================================================================ 1204dnl Check for spinlock(3) operations as provided on Darwin. 1205 1206JE_COMPILABLE([Darwin OSSpin*()], [ 1207#include <libkern/OSAtomic.h> 1208#include <inttypes.h> 1209], [ 1210 OSSpinLock lock = 0; 1211 OSSpinLockLock(&lock); 1212 OSSpinLockUnlock(&lock); 1213], [je_cv_osspin]) 1214if test "x${je_cv_osspin}" = "xyes" ; then 1215 AC_DEFINE([JEMALLOC_OSSPIN], [ ]) 1216fi 1217 1218dnl ============================================================================ 1219dnl Darwin-related configuration. 1220 1221AC_ARG_ENABLE([zone-allocator], 1222 [AS_HELP_STRING([--disable-zone-allocator], 1223 [Disable zone allocator for Darwin])], 1224[if test "x$enable_zone_allocator" = "xno" ; then 1225 enable_zone_allocator="0" 1226else 1227 enable_zone_allocator="1" 1228fi 1229], 1230[if test "x${abi}" = "xmacho"; then 1231 enable_zone_allocator="1" 1232fi 1233] 1234) 1235AC_SUBST([enable_zone_allocator]) 1236 1237if test "x${enable_zone_allocator}" = "x1" ; then 1238 if test "x${abi}" != "xmacho"; then 1239 AC_MSG_ERROR([--enable-zone-allocator is only supported on Darwin]) 1240 fi 1241 AC_DEFINE([JEMALLOC_IVSALLOC], [ ]) 1242 AC_DEFINE([JEMALLOC_ZONE], [ ]) 1243 1244 dnl The szone version jumped from 3 to 6 between the OS X 10.5.x and 10.6 1245 dnl releases. malloc_zone_t and malloc_introspection_t have new fields in 1246 dnl 10.6, which is the only source-level indication of the change. 1247 AC_MSG_CHECKING([malloc zone version]) 1248 AC_DEFUN([JE_ZONE_PROGRAM], 1249 [AC_LANG_PROGRAM( 1250 [#include <malloc/malloc.h>], 1251 [static foo[[sizeof($1) $2 sizeof(void *) * $3 ? 1 : -1]]] 1252 )]) 1253 1254 AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,14)],[JEMALLOC_ZONE_VERSION=3],[ 1255 AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,15)],[JEMALLOC_ZONE_VERSION=5],[ 1256 AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,16)],[ 1257 AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_introspection_t,==,9)],[JEMALLOC_ZONE_VERSION=6],[ 1258 AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_introspection_t,==,13)],[JEMALLOC_ZONE_VERSION=7],[JEMALLOC_ZONE_VERSION=] 1259 )])],[ 1260 AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,17)],[JEMALLOC_ZONE_VERSION=8],[ 1261 AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,>,17)],[JEMALLOC_ZONE_VERSION=9],[JEMALLOC_ZONE_VERSION=] 1262 )])])])]) 1263 if test "x${JEMALLOC_ZONE_VERSION}" = "x"; then 1264 AC_MSG_RESULT([unsupported]) 1265 AC_MSG_ERROR([Unsupported malloc zone version]) 1266 fi 1267 if test "${JEMALLOC_ZONE_VERSION}" = 9; then 1268 JEMALLOC_ZONE_VERSION=8 1269 AC_MSG_RESULT([> 8]) 1270 else 1271 AC_MSG_RESULT([$JEMALLOC_ZONE_VERSION]) 1272 fi 1273 AC_DEFINE_UNQUOTED(JEMALLOC_ZONE_VERSION, [$JEMALLOC_ZONE_VERSION]) 1274fi 1275 1276dnl ============================================================================ 1277dnl Check for typedefs, structures, and compiler characteristics. 1278AC_HEADER_STDBOOL 1279 1280dnl ============================================================================ 1281dnl Define commands that generate output files. 1282 1283AC_CONFIG_COMMANDS([include/jemalloc/internal/private_namespace.h], [ 1284 mkdir -p "${objroot}include/jemalloc/internal" 1285 "${srcdir}/include/jemalloc/internal/private_namespace.sh" "${srcdir}/include/jemalloc/internal/private_symbols.txt" > "${objroot}include/jemalloc/internal/private_namespace.h" 1286], [ 1287 srcdir="${srcdir}" 1288 objroot="${objroot}" 1289]) 1290AC_CONFIG_COMMANDS([include/jemalloc/internal/private_unnamespace.h], [ 1291 mkdir -p "${objroot}include/jemalloc/internal" 1292 "${srcdir}/include/jemalloc/internal/private_unnamespace.sh" "${srcdir}/include/jemalloc/internal/private_symbols.txt" > "${objroot}include/jemalloc/internal/private_unnamespace.h" 1293], [ 1294 srcdir="${srcdir}" 1295 objroot="${objroot}" 1296]) 1297AC_CONFIG_COMMANDS([include/jemalloc/internal/public_symbols.txt], [ 1298 f="${objroot}include/jemalloc/internal/public_symbols.txt" 1299 mkdir -p "${objroot}include/jemalloc/internal" 1300 cp /dev/null "${f}" 1301 for nm in `echo ${mangling_map} |tr ',' ' '` ; do 1302 n=`echo ${nm} |tr ':' ' ' |awk '{print $[]1}'` 1303 m=`echo ${nm} |tr ':' ' ' |awk '{print $[]2}'` 1304 echo "${n}:${m}" >> "${f}" 1305 dnl Remove name from public_syms so that it isn't redefined later. 1306 public_syms=`for sym in ${public_syms}; do echo "${sym}"; done |grep -v "^${n}\$" |tr '\n' ' '` 1307 done 1308 for sym in ${public_syms} ; do 1309 n="${sym}" 1310 m="${JEMALLOC_PREFIX}${sym}" 1311 echo "${n}:${m}" >> "${f}" 1312 done 1313], [ 1314 srcdir="${srcdir}" 1315 objroot="${objroot}" 1316 mangling_map="${mangling_map}" 1317 public_syms="${public_syms}" 1318 JEMALLOC_PREFIX="${JEMALLOC_PREFIX}" 1319]) 1320AC_CONFIG_COMMANDS([include/jemalloc/internal/public_namespace.h], [ 1321 mkdir -p "${objroot}include/jemalloc/internal" 1322 "${srcdir}/include/jemalloc/internal/public_namespace.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" > "${objroot}include/jemalloc/internal/public_namespace.h" 1323], [ 1324 srcdir="${srcdir}" 1325 objroot="${objroot}" 1326]) 1327AC_CONFIG_COMMANDS([include/jemalloc/internal/public_unnamespace.h], [ 1328 mkdir -p "${objroot}include/jemalloc/internal" 1329 "${srcdir}/include/jemalloc/internal/public_unnamespace.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" > "${objroot}include/jemalloc/internal/public_unnamespace.h" 1330], [ 1331 srcdir="${srcdir}" 1332 objroot="${objroot}" 1333]) 1334AC_CONFIG_COMMANDS([include/jemalloc/internal/size_classes.h], [ 1335 mkdir -p "${objroot}include/jemalloc/internal" 1336 "${srcdir}/include/jemalloc/internal/size_classes.sh" > "${objroot}include/jemalloc/internal/size_classes.h" 1337], [ 1338 srcdir="${srcdir}" 1339 objroot="${objroot}" 1340]) 1341AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_protos_jet.h], [ 1342 mkdir -p "${objroot}include/jemalloc" 1343 cat "${srcdir}/include/jemalloc/jemalloc_protos.h.in" | sed -e 's/@je_@/jet_/g' > "${objroot}include/jemalloc/jemalloc_protos_jet.h" 1344], [ 1345 srcdir="${srcdir}" 1346 objroot="${objroot}" 1347]) 1348AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_rename.h], [ 1349 mkdir -p "${objroot}include/jemalloc" 1350 "${srcdir}/include/jemalloc/jemalloc_rename.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" > "${objroot}include/jemalloc/jemalloc_rename.h" 1351], [ 1352 srcdir="${srcdir}" 1353 objroot="${objroot}" 1354]) 1355AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_mangle.h], [ 1356 mkdir -p "${objroot}include/jemalloc" 1357 "${srcdir}/include/jemalloc/jemalloc_mangle.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" je_ > "${objroot}include/jemalloc/jemalloc_mangle.h" 1358], [ 1359 srcdir="${srcdir}" 1360 objroot="${objroot}" 1361]) 1362AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_mangle_jet.h], [ 1363 mkdir -p "${objroot}include/jemalloc" 1364 "${srcdir}/include/jemalloc/jemalloc_mangle.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" jet_ > "${objroot}include/jemalloc/jemalloc_mangle_jet.h" 1365], [ 1366 srcdir="${srcdir}" 1367 objroot="${objroot}" 1368]) 1369AC_CONFIG_COMMANDS([include/jemalloc/jemalloc.h], [ 1370 mkdir -p "${objroot}include/jemalloc" 1371 "${srcdir}/include/jemalloc/jemalloc.sh" "${objroot}" > "${objroot}include/jemalloc/jemalloc${install_suffix}.h" 1372], [ 1373 srcdir="${srcdir}" 1374 objroot="${objroot}" 1375 install_suffix="${install_suffix}" 1376]) 1377 1378dnl Process .in files. 1379AC_SUBST([cfghdrs_in]) 1380AC_SUBST([cfghdrs_out]) 1381AC_CONFIG_HEADERS([$cfghdrs_tup]) 1382 1383dnl ============================================================================ 1384dnl Generate outputs. 1385 1386AC_CONFIG_FILES([$cfgoutputs_tup config.stamp bin/jemalloc.sh]) 1387AC_SUBST([cfgoutputs_in]) 1388AC_SUBST([cfgoutputs_out]) 1389AC_OUTPUT 1390 1391dnl ============================================================================ 1392dnl Print out the results of configuration. 1393AC_MSG_RESULT([===============================================================================]) 1394AC_MSG_RESULT([jemalloc version : ${jemalloc_version}]) 1395AC_MSG_RESULT([library revision : ${rev}]) 1396AC_MSG_RESULT([]) 1397AC_MSG_RESULT([CC : ${CC}]) 1398AC_MSG_RESULT([CPPFLAGS : ${CPPFLAGS}]) 1399AC_MSG_RESULT([CFLAGS : ${CFLAGS}]) 1400AC_MSG_RESULT([LDFLAGS : ${LDFLAGS}]) 1401AC_MSG_RESULT([EXTRA_LDFLAGS : ${EXTRA_LDFLAGS}]) 1402AC_MSG_RESULT([LIBS : ${LIBS}]) 1403AC_MSG_RESULT([RPATH_EXTRA : ${RPATH_EXTRA}]) 1404AC_MSG_RESULT([]) 1405AC_MSG_RESULT([XSLTPROC : ${XSLTPROC}]) 1406AC_MSG_RESULT([XSLROOT : ${XSLROOT}]) 1407AC_MSG_RESULT([]) 1408AC_MSG_RESULT([PREFIX : ${PREFIX}]) 1409AC_MSG_RESULT([BINDIR : ${BINDIR}]) 1410AC_MSG_RESULT([INCLUDEDIR : ${INCLUDEDIR}]) 1411AC_MSG_RESULT([LIBDIR : ${LIBDIR}]) 1412AC_MSG_RESULT([DATADIR : ${DATADIR}]) 1413AC_MSG_RESULT([MANDIR : ${MANDIR}]) 1414AC_MSG_RESULT([]) 1415AC_MSG_RESULT([srcroot : ${srcroot}]) 1416AC_MSG_RESULT([abs_srcroot : ${abs_srcroot}]) 1417AC_MSG_RESULT([objroot : ${objroot}]) 1418AC_MSG_RESULT([abs_objroot : ${abs_objroot}]) 1419AC_MSG_RESULT([]) 1420AC_MSG_RESULT([JEMALLOC_PREFIX : ${JEMALLOC_PREFIX}]) 1421AC_MSG_RESULT([JEMALLOC_PRIVATE_NAMESPACE]) 1422AC_MSG_RESULT([ : ${JEMALLOC_PRIVATE_NAMESPACE}]) 1423AC_MSG_RESULT([install_suffix : ${install_suffix}]) 1424AC_MSG_RESULT([autogen : ${enable_autogen}]) 1425AC_MSG_RESULT([cc-silence : ${enable_cc_silence}]) 1426AC_MSG_RESULT([debug : ${enable_debug}]) 1427AC_MSG_RESULT([code-coverage : ${enable_code_coverage}]) 1428AC_MSG_RESULT([stats : ${enable_stats}]) 1429AC_MSG_RESULT([prof : ${enable_prof}]) 1430AC_MSG_RESULT([prof-libunwind : ${enable_prof_libunwind}]) 1431AC_MSG_RESULT([prof-libgcc : ${enable_prof_libgcc}]) 1432AC_MSG_RESULT([prof-gcc : ${enable_prof_gcc}]) 1433AC_MSG_RESULT([tcache : ${enable_tcache}]) 1434AC_MSG_RESULT([fill : ${enable_fill}]) 1435AC_MSG_RESULT([utrace : ${enable_utrace}]) 1436AC_MSG_RESULT([valgrind : ${enable_valgrind}]) 1437AC_MSG_RESULT([xmalloc : ${enable_xmalloc}]) 1438AC_MSG_RESULT([munmap : ${enable_munmap}]) 1439AC_MSG_RESULT([lazy_lock : ${enable_lazy_lock}]) 1440AC_MSG_RESULT([tls : ${enable_tls}]) 1441AC_MSG_RESULT([===============================================================================]) 1442