configure.ac revision 79c4bca7d10e967ff524f17a6990e5c630116198
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} $1" 16fi 17AC_COMPILE_IFELSE([AC_LANG_PROGRAM( 18[[ 19]], [[ 20 return 0; 21]])], 22 AC_MSG_RESULT([yes]), 23 AC_MSG_RESULT([no]) 24 [CFLAGS="${TCFLAGS}"] 25) 26]) 27 28dnl JE_COMPILABLE(label, hcode, mcode, rvar) 29dnl 30dnl Use AC_LINK_IFELSE() rather than AC_COMPILE_IFELSE() so that linker errors 31dnl cause failure. 32AC_DEFUN([JE_COMPILABLE], 33[ 34AC_CACHE_CHECK([whether $1 is compilable], 35 [$4], 36 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], 37 [$3])], 38 [$4=yes], 39 [$4=no])]) 40]) 41 42dnl ============================================================================ 43 44dnl Library revision. 45rev=1 46AC_SUBST([rev]) 47 48srcroot=$srcdir 49if test "x${srcroot}" = "x." ; then 50 srcroot="" 51else 52 srcroot="${srcroot}/" 53fi 54AC_SUBST([srcroot]) 55abs_srcroot="`cd \"${srcdir}\"; pwd`/" 56AC_SUBST([abs_srcroot]) 57 58objroot="" 59AC_SUBST([objroot]) 60abs_objroot="`pwd`/" 61AC_SUBST([abs_objroot]) 62 63dnl Munge install path variables. 64if test "x$prefix" = "xNONE" ; then 65 prefix="/usr/local" 66fi 67if test "x$exec_prefix" = "xNONE" ; then 68 exec_prefix=$prefix 69fi 70PREFIX=$prefix 71AC_SUBST([PREFIX]) 72BINDIR=`eval echo $bindir` 73BINDIR=`eval echo $BINDIR` 74AC_SUBST([BINDIR]) 75INCLUDEDIR=`eval echo $includedir` 76INCLUDEDIR=`eval echo $INCLUDEDIR` 77AC_SUBST([INCLUDEDIR]) 78LIBDIR=`eval echo $libdir` 79LIBDIR=`eval echo $LIBDIR` 80AC_SUBST([LIBDIR]) 81DATADIR=`eval echo $datadir` 82DATADIR=`eval echo $DATADIR` 83AC_SUBST([DATADIR]) 84MANDIR=`eval echo $mandir` 85MANDIR=`eval echo $MANDIR` 86AC_SUBST([MANDIR]) 87 88dnl Support for building documentation. 89AC_PATH_PROG([XSLTPROC], [xsltproc], , [$PATH]) 90if test -d "/usr/share/xml/docbook/stylesheet/docbook-xsl" ; then 91 DEFAULT_XSLROOT="/usr/share/xml/docbook/stylesheet/docbook-xsl" 92elif test -d "/usr/share/sgml/docbook/xsl-stylesheets" ; then 93 DEFAULT_XSLROOT="/usr/share/sgml/docbook/xsl-stylesheets" 94else 95 dnl Documentation building will fail if this default gets used. 96 DEFAULT_XSLROOT="" 97fi 98AC_ARG_WITH([xslroot], 99 [AS_HELP_STRING([--with-xslroot=<path>], [XSL stylesheet root path])], [ 100if test "x$with_xslroot" = "xno" ; then 101 XSLROOT="${DEFAULT_XSLROOT}" 102else 103 XSLROOT="${with_xslroot}" 104fi 105], 106 XSLROOT="${DEFAULT_XSLROOT}" 107) 108AC_SUBST([XSLROOT]) 109 110dnl If CFLAGS isn't defined, set CFLAGS to something reasonable. Otherwise, 111dnl just prevent autoconf from molesting CFLAGS. 112CFLAGS=$CFLAGS 113AC_PROG_CC 114if test "x$GCC" != "xyes" ; then 115 AC_CACHE_CHECK([whether compiler is MSVC], 116 [je_cv_msvc], 117 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], 118 [ 119#ifndef _MSC_VER 120 int fail[-1]; 121#endif 122])], 123 [je_cv_msvc=yes], 124 [je_cv_msvc=no])]) 125fi 126 127if test "x$CFLAGS" = "x" ; then 128 no_CFLAGS="yes" 129 if test "x$GCC" = "xyes" ; then 130 JE_CFLAGS_APPEND([-std=gnu99]) 131 JE_CFLAGS_APPEND([-Wall]) 132 JE_CFLAGS_APPEND([-pipe]) 133 JE_CFLAGS_APPEND([-g3]) 134 elif test "x$je_cv_msvc" = "xyes" ; then 135 CC="$CC -nologo" 136 JE_CFLAGS_APPEND([-Zi]) 137 JE_CFLAGS_APPEND([-MT]) 138 JE_CFLAGS_APPEND([-W3]) 139 CPPFLAGS="$CPPFLAGS -I${srcroot}/include/msvc_compat" 140 fi 141fi 142dnl Append EXTRA_CFLAGS to CFLAGS, if defined. 143if test "x$EXTRA_CFLAGS" != "x" ; then 144 JE_CFLAGS_APPEND([$EXTRA_CFLAGS]) 145fi 146AC_PROG_CPP 147 148AC_CHECK_SIZEOF([void *]) 149if test "x${ac_cv_sizeof_void_p}" = "x8" ; then 150 LG_SIZEOF_PTR=3 151elif test "x${ac_cv_sizeof_void_p}" = "x4" ; then 152 LG_SIZEOF_PTR=2 153else 154 AC_MSG_ERROR([Unsupported pointer size: ${ac_cv_sizeof_void_p}]) 155fi 156AC_DEFINE_UNQUOTED([LG_SIZEOF_PTR], [$LG_SIZEOF_PTR]) 157 158AC_CHECK_SIZEOF([int]) 159if test "x${ac_cv_sizeof_int}" = "x8" ; then 160 LG_SIZEOF_INT=3 161elif test "x${ac_cv_sizeof_int}" = "x4" ; then 162 LG_SIZEOF_INT=2 163else 164 AC_MSG_ERROR([Unsupported int size: ${ac_cv_sizeof_int}]) 165fi 166AC_DEFINE_UNQUOTED([LG_SIZEOF_INT], [$LG_SIZEOF_INT]) 167 168AC_CHECK_SIZEOF([long]) 169if test "x${ac_cv_sizeof_long}" = "x8" ; then 170 LG_SIZEOF_LONG=3 171elif test "x${ac_cv_sizeof_long}" = "x4" ; then 172 LG_SIZEOF_LONG=2 173else 174 AC_MSG_ERROR([Unsupported long size: ${ac_cv_sizeof_long}]) 175fi 176AC_DEFINE_UNQUOTED([LG_SIZEOF_LONG], [$LG_SIZEOF_LONG]) 177 178AC_CHECK_SIZEOF([intmax_t]) 179if test "x${ac_cv_sizeof_intmax_t}" = "x16" ; then 180 LG_SIZEOF_INTMAX_T=4 181elif test "x${ac_cv_sizeof_intmax_t}" = "x8" ; then 182 LG_SIZEOF_INTMAX_T=3 183elif test "x${ac_cv_sizeof_intmax_t}" = "x4" ; then 184 LG_SIZEOF_INTMAX_T=2 185else 186 AC_MSG_ERROR([Unsupported intmax_t size: ${ac_cv_sizeof_intmax_t}]) 187fi 188AC_DEFINE_UNQUOTED([LG_SIZEOF_INTMAX_T], [$LG_SIZEOF_INTMAX_T]) 189 190AC_CANONICAL_HOST 191dnl CPU-specific settings. 192CPU_SPINWAIT="" 193case "${host_cpu}" in 194 i[[345]]86) 195 ;; 196 i686) 197 JE_COMPILABLE([__asm__], [], [[__asm__ volatile("pause"); return 0;]], 198 [je_cv_asm]) 199 if test "x${je_cv_asm}" = "xyes" ; then 200 CPU_SPINWAIT='__asm__ volatile("pause")' 201 fi 202 ;; 203 x86_64) 204 JE_COMPILABLE([__asm__ syntax], [], 205 [[__asm__ volatile("pause"); return 0;]], [je_cv_asm]) 206 if test "x${je_cv_asm}" = "xyes" ; then 207 CPU_SPINWAIT='__asm__ volatile("pause")' 208 fi 209 ;; 210 *) 211 ;; 212esac 213AC_DEFINE_UNQUOTED([CPU_SPINWAIT], [$CPU_SPINWAIT]) 214 215LD_PRELOAD_VAR="LD_PRELOAD" 216so="so" 217importlib="${so}" 218o="$ac_objext" 219a="a" 220exe="$ac_exeext" 221libprefix="lib" 222DSO_LDFLAGS='-shared -Wl,-soname,$(@F)' 223RPATH='-Wl,-rpath,$(1)' 224SOREV="${so}.${rev}" 225PIC_CFLAGS='-fPIC -DPIC' 226CTARGET='-o $@' 227LDTARGET='-o $@' 228EXTRA_LDFLAGS= 229MKLIB='ar crus $@' 230CC_MM=1 231 232dnl Platform-specific settings. abi and RPATH can probably be determined 233dnl programmatically, but doing so is error-prone, which makes it generally 234dnl not worth the trouble. 235dnl 236dnl Define cpp macros in CPPFLAGS, rather than doing AC_DEFINE(macro), since the 237dnl definitions need to be seen before any headers are included, which is a pain 238dnl to make happen otherwise. 239default_munmap="1" 240case "${host}" in 241 *-*-darwin*) 242 CFLAGS="$CFLAGS -fno-common" 243 abi="macho" 244 AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) 245 RPATH="" 246 LD_PRELOAD_VAR="DYLD_INSERT_LIBRARIES" 247 so="dylib" 248 importlib="${so}" 249 force_tls="0" 250 DSO_LDFLAGS='-shared -Wl,-dylib_install_name,$(@F)' 251 SOREV="${rev}.${so}" 252 ;; 253 *-*-freebsd*) 254 CFLAGS="$CFLAGS" 255 abi="elf" 256 AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) 257 force_lazy_lock="1" 258 ;; 259 *-*-linux*) 260 CFLAGS="$CFLAGS" 261 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE" 262 abi="elf" 263 AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED], [ ]) 264 AC_DEFINE([JEMALLOC_THREADED_INIT], [ ]) 265 default_munmap="0" 266 ;; 267 *-*-netbsd*) 268 AC_MSG_CHECKING([ABI]) 269 AC_COMPILE_IFELSE([AC_LANG_PROGRAM( 270[[#ifdef __ELF__ 271/* ELF */ 272#else 273#error aout 274#endif 275]])], 276 [CFLAGS="$CFLAGS"; abi="elf"], 277 [abi="aout"]) 278 AC_MSG_RESULT([$abi]) 279 AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) 280 ;; 281 *-*-solaris2*) 282 CFLAGS="$CFLAGS" 283 abi="elf" 284 RPATH='-Wl,-R,$(1)' 285 dnl Solaris needs this for sigwait(). 286 CPPFLAGS="$CPPFLAGS -D_POSIX_PTHREAD_SEMANTICS" 287 LIBS="$LIBS -lposix4 -lsocket -lnsl" 288 ;; 289 *-ibm-aix*) 290 if "$LG_SIZEOF_PTR" = "8"; then 291 dnl 64bit AIX 292 LD_PRELOAD_VAR="LDR_PRELOAD64" 293 else 294 dnl 32bit AIX 295 LD_PRELOAD_VAR="LDR_PRELOAD" 296 fi 297 abi="xcoff" 298 ;; 299 *-*-mingw*) 300 abi="pecoff" 301 force_tls="0" 302 RPATH="" 303 so="dll" 304 if test "x$je_cv_msvc" = "xyes" ; then 305 importlib="lib" 306 DSO_LDFLAGS="-LD" 307 EXTRA_LDFLAGS="-link -DEBUG" 308 CTARGET='-Fo$@' 309 LDTARGET='-Fe$@' 310 MKLIB='lib -nologo -out:$@' 311 CC_MM= 312 else 313 importlib="${so}" 314 DSO_LDFLAGS="-shared" 315 fi 316 a="lib" 317 libprefix="" 318 SOREV="${so}" 319 PIC_CFLAGS="" 320 ;; 321 *) 322 AC_MSG_RESULT([Unsupported operating system: ${host}]) 323 abi="elf" 324 ;; 325esac 326AC_SUBST([abi]) 327AC_SUBST([RPATH]) 328AC_SUBST([LD_PRELOAD_VAR]) 329AC_SUBST([so]) 330AC_SUBST([importlib]) 331AC_SUBST([o]) 332AC_SUBST([a]) 333AC_SUBST([exe]) 334AC_SUBST([libprefix]) 335AC_SUBST([DSO_LDFLAGS]) 336AC_SUBST([EXTRA_LDFLAGS]) 337AC_SUBST([SOREV]) 338AC_SUBST([PIC_CFLAGS]) 339AC_SUBST([CTARGET]) 340AC_SUBST([LDTARGET]) 341AC_SUBST([MKLIB]) 342AC_SUBST([CC_MM]) 343 344if test "x$abi" != "xpecoff"; then 345 dnl Heap profiling uses the log(3) function. 346 LIBS="$LIBS -lm" 347fi 348 349JE_COMPILABLE([__attribute__ syntax], 350 [static __attribute__((unused)) void foo(void){}], 351 [], 352 [je_cv_attribute]) 353if test "x${je_cv_attribute}" = "xyes" ; then 354 AC_DEFINE([JEMALLOC_HAVE_ATTR], [ ]) 355 if test "x${GCC}" = "xyes" -a "x${abi}" = "xelf"; then 356 JE_CFLAGS_APPEND([-fvisibility=hidden]) 357 fi 358fi 359dnl Check for tls_model attribute support (clang 3.0 still lacks support). 360SAVED_CFLAGS="${CFLAGS}" 361JE_CFLAGS_APPEND([-Werror]) 362JE_COMPILABLE([tls_model attribute], [], 363 [static __thread int 364 __attribute__((tls_model("initial-exec"))) foo; 365 foo = 0;], 366 [je_cv_tls_model]) 367CFLAGS="${SAVED_CFLAGS}" 368if test "x${je_cv_tls_model}" = "xyes" ; then 369 AC_DEFINE([JEMALLOC_TLS_MODEL], 370 [__attribute__((tls_model("initial-exec")))]) 371else 372 AC_DEFINE([JEMALLOC_TLS_MODEL], [ ]) 373fi 374 375JE_COMPILABLE([mremap(...MREMAP_FIXED...)], [ 376#define _GNU_SOURCE 377#include <sys/mman.h> 378], [ 379void *p = mremap((void *)0, 0, 0, MREMAP_MAYMOVE|MREMAP_FIXED, (void *)0); 380], [je_cv_mremap_fixed]) 381if test "x${je_cv_mremap_fixed}" = "xyes" ; then 382 AC_DEFINE([JEMALLOC_MREMAP_FIXED], [ ]) 383fi 384 385dnl Support optional additions to rpath. 386AC_ARG_WITH([rpath], 387 [AS_HELP_STRING([--with-rpath=<rpath>], [Colon-separated rpath (ELF systems only)])], 388if test "x$with_rpath" = "xno" ; then 389 RPATH_EXTRA= 390else 391 RPATH_EXTRA="`echo $with_rpath | tr \":\" \" \"`" 392fi, 393 RPATH_EXTRA= 394) 395AC_SUBST([RPATH_EXTRA]) 396 397dnl Disable rules that do automatic regeneration of configure output by default. 398AC_ARG_ENABLE([autogen], 399 [AS_HELP_STRING([--enable-autogen], [Automatically regenerate configure output])], 400if test "x$enable_autogen" = "xno" ; then 401 enable_autogen="0" 402else 403 enable_autogen="1" 404fi 405, 406enable_autogen="0" 407) 408AC_SUBST([enable_autogen]) 409 410AC_PROG_INSTALL 411AC_PROG_RANLIB 412AC_PATH_PROG([AR], [ar], , [$PATH]) 413AC_PATH_PROG([LD], [ld], , [$PATH]) 414AC_PATH_PROG([AUTOCONF], [autoconf], , [$PATH]) 415 416public_syms="malloc_conf malloc_message malloc calloc posix_memalign aligned_alloc realloc free malloc_usable_size malloc_stats_print mallctl mallctlnametomib mallctlbymib" 417 418dnl Check for allocator-related functions that should be wrapped. 419AC_CHECK_FUNC([memalign], 420 [AC_DEFINE([JEMALLOC_OVERRIDE_MEMALIGN], [ ]) 421 public_syms="${public_syms} memalign"]) 422AC_CHECK_FUNC([valloc], 423 [AC_DEFINE([JEMALLOC_OVERRIDE_VALLOC], [ ]) 424 public_syms="${public_syms} valloc"]) 425 426dnl Support the experimental API by default. 427AC_ARG_ENABLE([experimental], 428 [AS_HELP_STRING([--disable-experimental], 429 [Disable support for the experimental API])], 430[if test "x$enable_experimental" = "xno" ; then 431 enable_experimental="0" 432else 433 enable_experimental="1" 434fi 435], 436[enable_experimental="1"] 437) 438if test "x$enable_experimental" = "x1" ; then 439 AC_DEFINE([JEMALLOC_EXPERIMENTAL], [ ]) 440 public_syms="${public_syms} allocm dallocm nallocm rallocm sallocm" 441fi 442AC_SUBST([enable_experimental]) 443 444dnl Perform no name mangling by default. 445AC_ARG_WITH([mangling], 446 [AS_HELP_STRING([--with-mangling=<map>], [Mangle symbols in <map>])], 447 [mangling_map="$with_mangling"], [mangling_map=""]) 448for nm in `echo ${mangling_map} |tr ',' ' '` ; do 449 k="`echo ${nm} |tr ':' ' ' |awk '{print $1}'`" 450 n="je_${k}" 451 m=`echo ${nm} |tr ':' ' ' |awk '{print $2}'` 452 AC_DEFINE_UNQUOTED([${n}], [${m}]) 453 dnl Remove key from public_syms so that it isn't redefined later. 454 public_syms=`for sym in ${public_syms}; do echo "${sym}"; done |grep -v "^${k}\$" |tr '\n' ' '` 455done 456 457dnl Do not prefix public APIs by default. 458AC_ARG_WITH([jemalloc_prefix], 459 [AS_HELP_STRING([--with-jemalloc-prefix=<prefix>], [Prefix to prepend to all public APIs])], 460 [JEMALLOC_PREFIX="$with_jemalloc_prefix"], 461 [if test "x$abi" != "xmacho" -a "x$abi" != "xpecoff"; then 462 JEMALLOC_PREFIX="" 463else 464 JEMALLOC_PREFIX="je_" 465fi] 466) 467if test "x$JEMALLOC_PREFIX" != "x" ; then 468 JEMALLOC_CPREFIX=`echo ${JEMALLOC_PREFIX} | tr "a-z" "A-Z"` 469 AC_DEFINE_UNQUOTED([JEMALLOC_PREFIX], ["$JEMALLOC_PREFIX"]) 470 AC_DEFINE_UNQUOTED([JEMALLOC_CPREFIX], ["$JEMALLOC_CPREFIX"]) 471fi 472dnl Generate macros to rename public symbols. All public symbols are prefixed 473dnl with je_ in the source code, so these macro definitions are needed even if 474dnl --with-jemalloc-prefix wasn't specified. 475for stem in ${public_syms}; do 476 n="je_${stem}" 477 m="${JEMALLOC_PREFIX}${stem}" 478 AC_DEFINE_UNQUOTED([${n}], [${m}]) 479done 480 481dnl Do not mangle library-private APIs by default. 482AC_ARG_WITH([private_namespace], 483 [AS_HELP_STRING([--with-private-namespace=<prefix>], [Prefix to prepend to all library-private APIs])], 484 [JEMALLOC_PRIVATE_NAMESPACE="$with_private_namespace"], 485 [JEMALLOC_PRIVATE_NAMESPACE=""] 486) 487AC_DEFINE_UNQUOTED([JEMALLOC_PRIVATE_NAMESPACE], ["$JEMALLOC_PRIVATE_NAMESPACE"]) 488if test "x$JEMALLOC_PRIVATE_NAMESPACE" != "x" ; then 489 AC_DEFINE_UNQUOTED([JEMALLOC_N(string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix)], [${JEMALLOC_PRIVATE_NAMESPACE}##string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix]) 490else 491 AC_DEFINE_UNQUOTED([JEMALLOC_N(string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix)], [string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix]) 492fi 493 494dnl Do not add suffix to installed files by default. 495AC_ARG_WITH([install_suffix], 496 [AS_HELP_STRING([--with-install-suffix=<suffix>], [Suffix to append to all installed files])], 497 [INSTALL_SUFFIX="$with_install_suffix"], 498 [INSTALL_SUFFIX=] 499) 500install_suffix="$INSTALL_SUFFIX" 501AC_SUBST([install_suffix]) 502 503cfgoutputs_in="${srcroot}Makefile.in" 504cfgoutputs_in="${cfgoutputs_in} ${srcroot}doc/html.xsl.in" 505cfgoutputs_in="${cfgoutputs_in} ${srcroot}doc/manpages.xsl.in" 506cfgoutputs_in="${cfgoutputs_in} ${srcroot}doc/jemalloc.xml.in" 507cfgoutputs_in="${cfgoutputs_in} ${srcroot}include/jemalloc/jemalloc.h.in" 508cfgoutputs_in="${cfgoutputs_in} ${srcroot}include/jemalloc/internal/jemalloc_internal.h.in" 509cfgoutputs_in="${cfgoutputs_in} ${srcroot}test/jemalloc_test.h.in" 510 511cfgoutputs_out="Makefile" 512cfgoutputs_out="${cfgoutputs_out} doc/html.xsl" 513cfgoutputs_out="${cfgoutputs_out} doc/manpages.xsl" 514cfgoutputs_out="${cfgoutputs_out} doc/jemalloc${install_suffix}.xml" 515cfgoutputs_out="${cfgoutputs_out} include/jemalloc/jemalloc${install_suffix}.h" 516cfgoutputs_out="${cfgoutputs_out} include/jemalloc/internal/jemalloc_internal.h" 517cfgoutputs_out="${cfgoutputs_out} test/jemalloc_test.h" 518 519cfgoutputs_tup="Makefile" 520cfgoutputs_tup="${cfgoutputs_tup} doc/html.xsl:doc/html.xsl.in" 521cfgoutputs_tup="${cfgoutputs_tup} doc/manpages.xsl:doc/manpages.xsl.in" 522cfgoutputs_tup="${cfgoutputs_tup} doc/jemalloc${install_suffix}.xml:doc/jemalloc.xml.in" 523cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/jemalloc${install_suffix}.h:include/jemalloc/jemalloc.h.in" 524cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/internal/jemalloc_internal.h" 525cfgoutputs_tup="${cfgoutputs_tup} test/jemalloc_test.h:test/jemalloc_test.h.in" 526 527cfghdrs_in="${srcroot}include/jemalloc/jemalloc_defs.h.in" 528cfghdrs_in="${cfghdrs_in} ${srcroot}include/jemalloc/internal/size_classes.sh" 529 530cfghdrs_out="include/jemalloc/jemalloc_defs${install_suffix}.h" 531cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/size_classes.h" 532 533cfghdrs_tup="include/jemalloc/jemalloc_defs${install_suffix}.h:include/jemalloc/jemalloc_defs.h.in" 534 535dnl Do not silence irrelevant compiler warnings by default, since enabling this 536dnl option incurs a performance penalty. 537AC_ARG_ENABLE([cc-silence], 538 [AS_HELP_STRING([--enable-cc-silence], 539 [Silence irrelevant compiler warnings])], 540[if test "x$enable_cc_silence" = "xno" ; then 541 enable_cc_silence="0" 542else 543 enable_cc_silence="1" 544fi 545], 546[enable_cc_silence="0"] 547) 548if test "x$enable_cc_silence" = "x1" ; then 549 AC_DEFINE([JEMALLOC_CC_SILENCE], [ ]) 550fi 551 552dnl Do not compile with debugging by default. 553AC_ARG_ENABLE([debug], 554 [AS_HELP_STRING([--enable-debug], [Build debugging code])], 555[if test "x$enable_debug" = "xno" ; then 556 enable_debug="0" 557else 558 enable_debug="1" 559fi 560], 561[enable_debug="0"] 562) 563if test "x$enable_debug" = "x1" ; then 564 AC_DEFINE([JEMALLOC_DEBUG], [ ]) 565 AC_DEFINE([JEMALLOC_IVSALLOC], [ ]) 566fi 567AC_SUBST([enable_debug]) 568 569dnl Only optimize if not debugging. 570if test "x$enable_debug" = "x0" -a "x$no_CFLAGS" = "xyes" ; then 571 dnl Make sure that an optimization flag was not specified in EXTRA_CFLAGS. 572 optimize="no" 573 echo "$EXTRA_CFLAGS" | grep "\-O" >/dev/null || optimize="yes" 574 if test "x${optimize}" = "xyes" ; then 575 if test "x$GCC" = "xyes" ; then 576 JE_CFLAGS_APPEND([-O3]) 577 JE_CFLAGS_APPEND([-funroll-loops]) 578 elif test "x$je_cv_msvc" = "xyes" ; then 579 JE_CFLAGS_APPEND([-O2]) 580 else 581 JE_CFLAGS_APPEND([-O]) 582 fi 583 fi 584fi 585 586dnl Enable statistics calculation by default. 587AC_ARG_ENABLE([stats], 588 [AS_HELP_STRING([--disable-stats], 589 [Disable statistics calculation/reporting])], 590[if test "x$enable_stats" = "xno" ; then 591 enable_stats="0" 592else 593 enable_stats="1" 594fi 595], 596[enable_stats="1"] 597) 598if test "x$enable_stats" = "x1" ; then 599 AC_DEFINE([JEMALLOC_STATS], [ ]) 600fi 601AC_SUBST([enable_stats]) 602 603dnl Do not enable profiling by default. 604AC_ARG_ENABLE([prof], 605 [AS_HELP_STRING([--enable-prof], [Enable allocation profiling])], 606[if test "x$enable_prof" = "xno" ; then 607 enable_prof="0" 608else 609 enable_prof="1" 610fi 611], 612[enable_prof="0"] 613) 614if test "x$enable_prof" = "x1" ; then 615 backtrace_method="" 616else 617 backtrace_method="N/A" 618fi 619 620AC_ARG_ENABLE([prof-libunwind], 621 [AS_HELP_STRING([--enable-prof-libunwind], [Use libunwind for backtracing])], 622[if test "x$enable_prof_libunwind" = "xno" ; then 623 enable_prof_libunwind="0" 624else 625 enable_prof_libunwind="1" 626fi 627], 628[enable_prof_libunwind="0"] 629) 630AC_ARG_WITH([static_libunwind], 631 [AS_HELP_STRING([--with-static-libunwind=<libunwind.a>], 632 [Path to static libunwind library; use rather than dynamically linking])], 633if test "x$with_static_libunwind" = "xno" ; then 634 LUNWIND="-lunwind" 635else 636 if test ! -f "$with_static_libunwind" ; then 637 AC_MSG_ERROR([Static libunwind not found: $with_static_libunwind]) 638 fi 639 LUNWIND="$with_static_libunwind" 640fi, 641 LUNWIND="-lunwind" 642) 643if test "x$backtrace_method" = "x" -a "x$enable_prof_libunwind" = "x1" ; then 644 AC_CHECK_HEADERS([libunwind.h], , [enable_prof_libunwind="0"]) 645 if test "x$LUNWIND" = "x-lunwind" ; then 646 AC_CHECK_LIB([unwind], [backtrace], [LIBS="$LIBS $LUNWIND"], 647 [enable_prof_libunwind="0"]) 648 else 649 LIBS="$LIBS $LUNWIND" 650 fi 651 if test "x${enable_prof_libunwind}" = "x1" ; then 652 backtrace_method="libunwind" 653 AC_DEFINE([JEMALLOC_PROF_LIBUNWIND], [ ]) 654 fi 655fi 656 657AC_ARG_ENABLE([prof-libgcc], 658 [AS_HELP_STRING([--disable-prof-libgcc], 659 [Do not use libgcc for backtracing])], 660[if test "x$enable_prof_libgcc" = "xno" ; then 661 enable_prof_libgcc="0" 662else 663 enable_prof_libgcc="1" 664fi 665], 666[enable_prof_libgcc="1"] 667) 668if test "x$backtrace_method" = "x" -a "x$enable_prof_libgcc" = "x1" \ 669 -a "x$GCC" = "xyes" ; then 670 AC_CHECK_HEADERS([unwind.h], , [enable_prof_libgcc="0"]) 671 AC_CHECK_LIB([gcc], [_Unwind_Backtrace], [LIBS="$LIBS -lgcc"], [enable_prof_libgcc="0"]) 672 dnl The following is conservative, in that it only has entries for CPUs on 673 dnl which jemalloc has been tested. 674 AC_MSG_CHECKING([libgcc-based backtracing reliability on ${host_cpu}]) 675 case "${host_cpu}" in 676 i[[3456]]86) 677 AC_MSG_RESULT([unreliable]) 678 enable_prof_libgcc="0"; 679 ;; 680 x86_64) 681 AC_MSG_RESULT([reliable]) 682 ;; 683 *) 684 AC_MSG_RESULT([unreliable]) 685 enable_prof_libgcc="0"; 686 ;; 687 esac 688 if test "x${enable_prof_libgcc}" = "x1" ; then 689 backtrace_method="libgcc" 690 AC_DEFINE([JEMALLOC_PROF_LIBGCC], [ ]) 691 fi 692else 693 enable_prof_libgcc="0" 694fi 695 696AC_ARG_ENABLE([prof-gcc], 697 [AS_HELP_STRING([--disable-prof-gcc], 698 [Do not use gcc intrinsics for backtracing])], 699[if test "x$enable_prof_gcc" = "xno" ; then 700 enable_prof_gcc="0" 701else 702 enable_prof_gcc="1" 703fi 704], 705[enable_prof_gcc="1"] 706) 707if test "x$backtrace_method" = "x" -a "x$enable_prof_gcc" = "x1" \ 708 -a "x$GCC" = "xyes" ; then 709 backtrace_method="gcc intrinsics" 710 AC_DEFINE([JEMALLOC_PROF_GCC], [ ]) 711else 712 enable_prof_gcc="0" 713fi 714 715if test "x$backtrace_method" = "x" ; then 716 backtrace_method="none (disabling profiling)" 717 enable_prof="0" 718fi 719AC_MSG_CHECKING([configured backtracing method]) 720AC_MSG_RESULT([$backtrace_method]) 721if test "x$enable_prof" = "x1" ; then 722 if test "x${force_tls}" = "x0" ; then 723 AC_MSG_ERROR([Heap profiling requires TLS]); 724 fi 725 force_tls="1" 726 AC_DEFINE([JEMALLOC_PROF], [ ]) 727fi 728AC_SUBST([enable_prof]) 729 730dnl Enable thread-specific caching by default. 731AC_ARG_ENABLE([tcache], 732 [AS_HELP_STRING([--disable-tcache], [Disable per thread caches])], 733[if test "x$enable_tcache" = "xno" ; then 734 enable_tcache="0" 735else 736 enable_tcache="1" 737fi 738], 739[enable_tcache="1"] 740) 741if test "x$enable_tcache" = "x1" ; then 742 AC_DEFINE([JEMALLOC_TCACHE], [ ]) 743fi 744AC_SUBST([enable_tcache]) 745 746dnl Enable VM deallocation via munmap() by default. 747AC_ARG_ENABLE([munmap], 748 [AS_HELP_STRING([--disable-munmap], [Disable VM deallocation via munmap(2)])], 749[if test "x$enable_munmap" = "xno" ; then 750 enable_munmap="0" 751else 752 enable_munmap="1" 753fi 754], 755[enable_munmap="${default_munmap}"] 756) 757if test "x$enable_munmap" = "x1" ; then 758 AC_DEFINE([JEMALLOC_MUNMAP], [ ]) 759fi 760AC_SUBST([enable_munmap]) 761 762dnl Do not enable allocation from DSS by default. 763AC_ARG_ENABLE([dss], 764 [AS_HELP_STRING([--enable-dss], [Enable allocation from DSS])], 765[if test "x$enable_dss" = "xno" ; then 766 enable_dss="0" 767else 768 enable_dss="1" 769fi 770], 771[enable_dss="0"] 772) 773dnl Check whether the BSD/SUSv1 sbrk() exists. If not, disable DSS support. 774AC_CHECK_FUNC([sbrk], [have_sbrk="1"], [have_sbrk="0"]) 775if test "x$have_sbrk" = "x1" ; then 776 AC_DEFINE([JEMALLOC_HAVE_SBRK], [ ]) 777else 778 enable_dss="0" 779fi 780 781if test "x$enable_dss" = "x1" ; then 782 AC_DEFINE([JEMALLOC_DSS], [ ]) 783fi 784AC_SUBST([enable_dss]) 785 786dnl Support the junk/zero filling option by default. 787AC_ARG_ENABLE([fill], 788 [AS_HELP_STRING([--disable-fill], 789 [Disable support for junk/zero filling, quarantine, and redzones])], 790[if test "x$enable_fill" = "xno" ; then 791 enable_fill="0" 792else 793 enable_fill="1" 794fi 795], 796[enable_fill="1"] 797) 798if test "x$enable_fill" = "x1" ; then 799 AC_DEFINE([JEMALLOC_FILL], [ ]) 800fi 801AC_SUBST([enable_fill]) 802 803dnl Disable utrace(2)-based tracing by default. 804AC_ARG_ENABLE([utrace], 805 [AS_HELP_STRING([--enable-utrace], [Enable utrace(2)-based tracing])], 806[if test "x$enable_utrace" = "xno" ; then 807 enable_utrace="0" 808else 809 enable_utrace="1" 810fi 811], 812[enable_utrace="0"] 813) 814JE_COMPILABLE([utrace(2)], [ 815#include <sys/types.h> 816#include <sys/param.h> 817#include <sys/time.h> 818#include <sys/uio.h> 819#include <sys/ktrace.h> 820], [ 821 utrace((void *)0, 0); 822], [je_cv_utrace]) 823if test "x${je_cv_utrace}" = "xno" ; then 824 enable_utrace="0" 825fi 826if test "x$enable_utrace" = "x1" ; then 827 AC_DEFINE([JEMALLOC_UTRACE], [ ]) 828fi 829AC_SUBST([enable_utrace]) 830 831dnl Support Valgrind by default. 832AC_ARG_ENABLE([valgrind], 833 [AS_HELP_STRING([--disable-valgrind], [Disable support for Valgrind])], 834[if test "x$enable_valgrind" = "xno" ; then 835 enable_valgrind="0" 836else 837 enable_valgrind="1" 838fi 839], 840[enable_valgrind="1"] 841) 842if test "x$enable_valgrind" = "x1" ; then 843 JE_COMPILABLE([valgrind], [ 844#include <valgrind/valgrind.h> 845#include <valgrind/memcheck.h> 846 847#if !defined(VALGRIND_RESIZEINPLACE_BLOCK) 848# error "Incompatible Valgrind version" 849#endif 850], [], [je_cv_valgrind]) 851 if test "x${je_cv_valgrind}" = "xno" ; then 852 enable_valgrind="0" 853 fi 854 if test "x$enable_valgrind" = "x1" ; then 855 AC_DEFINE([JEMALLOC_VALGRIND], [ ]) 856 fi 857fi 858AC_SUBST([enable_valgrind]) 859 860dnl Do not support the xmalloc option by default. 861AC_ARG_ENABLE([xmalloc], 862 [AS_HELP_STRING([--enable-xmalloc], [Support xmalloc option])], 863[if test "x$enable_xmalloc" = "xno" ; then 864 enable_xmalloc="0" 865else 866 enable_xmalloc="1" 867fi 868], 869[enable_xmalloc="0"] 870) 871if test "x$enable_xmalloc" = "x1" ; then 872 AC_DEFINE([JEMALLOC_XMALLOC], [ ]) 873fi 874AC_SUBST([enable_xmalloc]) 875 876AC_CACHE_CHECK([STATIC_PAGE_SHIFT], 877 [je_cv_static_page_shift], 878 AC_RUN_IFELSE([AC_LANG_PROGRAM( 879[[ 880#include <strings.h> 881#ifdef _WIN32 882#include <windows.h> 883#else 884#include <unistd.h> 885#endif 886#include <stdio.h> 887]], 888[[ 889 long result; 890 FILE *f; 891 892#ifdef _WIN32 893 SYSTEM_INFO si; 894 GetSystemInfo(&si); 895 result = si.dwPageSize; 896#else 897 result = sysconf(_SC_PAGESIZE); 898#endif 899 if (result == -1) { 900 return 1; 901 } 902 result = ffsl(result) - 1; 903 904 f = fopen("conftest.out", "w"); 905 if (f == NULL) { 906 return 1; 907 } 908 fprintf(f, "%u\n", result); 909 fclose(f); 910 911 return 0; 912]])], 913 [je_cv_static_page_shift=`cat conftest.out`], 914 [je_cv_static_page_shift=undefined])) 915 916if test "x$je_cv_static_page_shift" != "xundefined"; then 917 AC_DEFINE_UNQUOTED([STATIC_PAGE_SHIFT], [$je_cv_static_page_shift]) 918else 919 AC_MSG_ERROR([cannot determine value for STATIC_PAGE_SHIFT]) 920fi 921 922dnl ============================================================================ 923dnl jemalloc configuration. 924dnl 925 926dnl Set VERSION if source directory has an embedded git repository. 927if test -d "${srcroot}.git" ; then 928 git describe --long --abbrev=40 > ${srcroot}VERSION 929fi 930jemalloc_version=`cat ${srcroot}VERSION` 931jemalloc_version_major=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]1}'` 932jemalloc_version_minor=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]2}'` 933jemalloc_version_bugfix=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]3}'` 934jemalloc_version_nrev=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]4}'` 935jemalloc_version_gid=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]5}'` 936AC_SUBST([jemalloc_version]) 937AC_SUBST([jemalloc_version_major]) 938AC_SUBST([jemalloc_version_minor]) 939AC_SUBST([jemalloc_version_bugfix]) 940AC_SUBST([jemalloc_version_nrev]) 941AC_SUBST([jemalloc_version_gid]) 942 943dnl ============================================================================ 944dnl Configure pthreads. 945 946if test "x$abi" != "xpecoff" ; then 947 AC_CHECK_HEADERS([pthread.h], , [AC_MSG_ERROR([pthread.h is missing])]) 948 dnl Some systems may embed pthreads functionality in libc; check for libpthread 949 dnl first, but try libc too before failing. 950 AC_CHECK_LIB([pthread], [pthread_create], [LIBS="$LIBS -lpthread"], 951 [AC_SEARCH_LIBS([pthread_create], , , 952 AC_MSG_ERROR([libpthread is missing]))]) 953fi 954 955CPPFLAGS="$CPPFLAGS -D_REENTRANT" 956 957dnl Check whether the BSD-specific _malloc_thread_cleanup() exists. If so, use 958dnl it rather than pthreads TSD cleanup functions to support cleanup during 959dnl thread exit, in order to avoid pthreads library recursion during 960dnl bootstrapping. 961AC_CHECK_FUNC([_malloc_thread_cleanup], 962 [have__malloc_thread_cleanup="1"], 963 [have__malloc_thread_cleanup="0"] 964 ) 965if test "x$have__malloc_thread_cleanup" = "x1" ; then 966 AC_DEFINE([JEMALLOC_MALLOC_THREAD_CLEANUP], [ ]) 967 force_tls="1" 968fi 969 970dnl Check whether the BSD-specific _pthread_mutex_init_calloc_cb() exists. If 971dnl so, mutex initialization causes allocation, and we need to implement this 972dnl callback function in order to prevent recursive allocation. 973AC_CHECK_FUNC([_pthread_mutex_init_calloc_cb], 974 [have__pthread_mutex_init_calloc_cb="1"], 975 [have__pthread_mutex_init_calloc_cb="0"] 976 ) 977if test "x$have__pthread_mutex_init_calloc_cb" = "x1" ; then 978 AC_DEFINE([JEMALLOC_MUTEX_INIT_CB]) 979fi 980 981dnl Disable lazy locking by default. 982AC_ARG_ENABLE([lazy_lock], 983 [AS_HELP_STRING([--enable-lazy-lock], 984 [Enable lazy locking (only lock when multi-threaded)])], 985[if test "x$enable_lazy_lock" = "xno" ; then 986 enable_lazy_lock="0" 987else 988 enable_lazy_lock="1" 989fi 990], 991[enable_lazy_lock="0"] 992) 993if test "x$enable_lazy_lock" = "x0" -a "x${force_lazy_lock}" = "x1" ; then 994 AC_MSG_RESULT([Forcing lazy-lock to avoid allocator/threading bootstrap issues]) 995 enable_lazy_lock="1" 996fi 997if test "x$enable_lazy_lock" = "x1" ; then 998 if test "x$abi" != "xpecoff" ; then 999 AC_CHECK_HEADERS([dlfcn.h], , [AC_MSG_ERROR([dlfcn.h is missing])]) 1000 AC_CHECK_FUNC([dlsym], [], 1001 [AC_CHECK_LIB([dl], [dlsym], [LIBS="$LIBS -ldl"], 1002 [AC_MSG_ERROR([libdl is missing])]) 1003 ]) 1004 fi 1005 AC_DEFINE([JEMALLOC_LAZY_LOCK], [ ]) 1006fi 1007AC_SUBST([enable_lazy_lock]) 1008 1009AC_ARG_ENABLE([tls], 1010 [AS_HELP_STRING([--disable-tls], [Disable thread-local storage (__thread keyword)])], 1011if test "x$enable_tls" = "xno" ; then 1012 enable_tls="0" 1013else 1014 enable_tls="1" 1015fi 1016, 1017enable_tls="1" 1018) 1019if test "x${enable_tls}" = "x0" -a "x${force_tls}" = "x1" ; then 1020 AC_MSG_RESULT([Forcing TLS to avoid allocator/threading bootstrap issues]) 1021 enable_tls="1" 1022fi 1023if test "x${enable_tls}" = "x1" -a "x${force_tls}" = "x0" ; then 1024 AC_MSG_RESULT([Forcing no TLS to avoid allocator/threading bootstrap issues]) 1025 enable_tls="0" 1026fi 1027if test "x${enable_tls}" = "x1" ; then 1028AC_MSG_CHECKING([for TLS]) 1029AC_COMPILE_IFELSE([AC_LANG_PROGRAM( 1030[[ 1031 __thread int x; 1032]], [[ 1033 x = 42; 1034 1035 return 0; 1036]])], 1037 AC_MSG_RESULT([yes]), 1038 AC_MSG_RESULT([no]) 1039 enable_tls="0") 1040fi 1041AC_SUBST([enable_tls]) 1042if test "x${enable_tls}" = "x1" ; then 1043 AC_DEFINE_UNQUOTED([JEMALLOC_TLS], [ ]) 1044elif test "x${force_tls}" = "x1" ; then 1045 AC_MSG_ERROR([Failed to configure TLS, which is mandatory for correct function]) 1046fi 1047 1048dnl ============================================================================ 1049dnl Check for ffsl(3), and fail if not found. This function exists on all 1050dnl platforms that jemalloc currently has a chance of functioning on without 1051dnl modification. 1052JE_COMPILABLE([a program using ffsl], [ 1053#include <strings.h> 1054#include <string.h> 1055], [ 1056 { 1057 int rv = ffsl(0x08); 1058 } 1059], [je_cv_function_ffsl]) 1060if test "x${je_cv_function_ffsl}" != "xyes" ; then 1061 AC_MSG_ERROR([Cannot build without ffsl(3)]) 1062fi 1063 1064dnl ============================================================================ 1065dnl Check for atomic(9) operations as provided on FreeBSD. 1066 1067JE_COMPILABLE([atomic(9)], [ 1068#include <sys/types.h> 1069#include <machine/atomic.h> 1070#include <inttypes.h> 1071], [ 1072 { 1073 uint32_t x32 = 0; 1074 volatile uint32_t *x32p = &x32; 1075 atomic_fetchadd_32(x32p, 1); 1076 } 1077 { 1078 unsigned long xlong = 0; 1079 volatile unsigned long *xlongp = &xlong; 1080 atomic_fetchadd_long(xlongp, 1); 1081 } 1082], [je_cv_atomic9]) 1083if test "x${je_cv_atomic9}" = "xyes" ; then 1084 AC_DEFINE([JEMALLOC_ATOMIC9]) 1085fi 1086 1087dnl ============================================================================ 1088dnl Check for atomic(3) operations as provided on Darwin. 1089 1090JE_COMPILABLE([Darwin OSAtomic*()], [ 1091#include <libkern/OSAtomic.h> 1092#include <inttypes.h> 1093], [ 1094 { 1095 int32_t x32 = 0; 1096 volatile int32_t *x32p = &x32; 1097 OSAtomicAdd32(1, x32p); 1098 } 1099 { 1100 int64_t x64 = 0; 1101 volatile int64_t *x64p = &x64; 1102 OSAtomicAdd64(1, x64p); 1103 } 1104], [je_cv_osatomic]) 1105if test "x${je_cv_osatomic}" = "xyes" ; then 1106 AC_DEFINE([JEMALLOC_OSATOMIC], [ ]) 1107fi 1108 1109dnl ============================================================================ 1110dnl Check whether __sync_{add,sub}_and_fetch() are available despite 1111dnl __GCC_HAVE_SYNC_COMPARE_AND_SWAP_n macros being undefined. 1112 1113AC_DEFUN([JE_SYNC_COMPARE_AND_SWAP_CHECK],[ 1114 AC_CACHE_CHECK([whether to force $1-bit __sync_{add,sub}_and_fetch()], 1115 [je_cv_sync_compare_and_swap_$2], 1116 [AC_LINK_IFELSE([AC_LANG_PROGRAM([ 1117 #include <stdint.h> 1118 ], 1119 [ 1120 #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_$2 1121 { 1122 uint$1_t x$1 = 0; 1123 __sync_add_and_fetch(&x$1, 42); 1124 __sync_sub_and_fetch(&x$1, 1); 1125 } 1126 #else 1127 #error __GCC_HAVE_SYNC_COMPARE_AND_SWAP_$2 is defined, no need to force 1128 #endif 1129 ])], 1130 [je_cv_sync_compare_and_swap_$2=yes], 1131 [je_cv_sync_compare_and_swap_$2=no])]) 1132 1133 if test "x${je_cv_sync_compare_and_swap_$2}" = "xyes" ; then 1134 AC_DEFINE([JE_FORCE_SYNC_COMPARE_AND_SWAP_$2], [ ]) 1135 fi 1136]) 1137 1138if test "x${je_cv_atomic9}" != "xyes" -a "x${je_cv_osatomic}" != "xyes" ; then 1139 JE_SYNC_COMPARE_AND_SWAP_CHECK(32, 4) 1140 JE_SYNC_COMPARE_AND_SWAP_CHECK(64, 8) 1141fi 1142 1143dnl ============================================================================ 1144dnl Check for spinlock(3) operations as provided on Darwin. 1145 1146JE_COMPILABLE([Darwin OSSpin*()], [ 1147#include <libkern/OSAtomic.h> 1148#include <inttypes.h> 1149], [ 1150 OSSpinLock lock = 0; 1151 OSSpinLockLock(&lock); 1152 OSSpinLockUnlock(&lock); 1153], [je_cv_osspin]) 1154if test "x${je_cv_osspin}" = "xyes" ; then 1155 AC_DEFINE([JEMALLOC_OSSPIN], [ ]) 1156fi 1157 1158dnl ============================================================================ 1159dnl Darwin-related configuration. 1160 1161if test "x${abi}" = "xmacho" ; then 1162 AC_DEFINE([JEMALLOC_IVSALLOC], [ ]) 1163 AC_DEFINE([JEMALLOC_ZONE], [ ]) 1164 1165 dnl The szone version jumped from 3 to 6 between the OS X 10.5.x and 10.6 1166 dnl releases. malloc_zone_t and malloc_introspection_t have new fields in 1167 dnl 10.6, which is the only source-level indication of the change. 1168 AC_MSG_CHECKING([malloc zone version]) 1169 AC_DEFUN([JE_ZONE_PROGRAM], 1170 [AC_LANG_PROGRAM( 1171 [#include <malloc/malloc.h>], 1172 [static foo[[sizeof($1) $2 sizeof(void *) * $3 ? 1 : -1]]] 1173 )]) 1174 1175 AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,14)],[JEMALLOC_ZONE_VERSION=3],[ 1176 AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,15)],[JEMALLOC_ZONE_VERSION=5],[ 1177 AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,16)],[ 1178 AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_introspection_t,==,9)],[JEMALLOC_ZONE_VERSION=6],[ 1179 AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_introspection_t,==,13)],[JEMALLOC_ZONE_VERSION=7],[JEMALLOC_ZONE_VERSION=] 1180 )])],[ 1181 AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,17)],[JEMALLOC_ZONE_VERSION=8],[ 1182 AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,>,17)],[JEMALLOC_ZONE_VERSION=9],[JEMALLOC_ZONE_VERSION=] 1183 )])])])]) 1184 if test "x${JEMALLOC_ZONE_VERSION}" = "x"; then 1185 AC_MSG_RESULT([unsupported]) 1186 AC_MSG_ERROR([Unsupported malloc zone version]) 1187 fi 1188 if test "${JEMALLOC_ZONE_VERSION}" = 9; then 1189 JEMALLOC_ZONE_VERSION=8 1190 AC_MSG_RESULT([> 8]) 1191 else 1192 AC_MSG_RESULT([$JEMALLOC_ZONE_VERSION]) 1193 fi 1194 AC_DEFINE_UNQUOTED(JEMALLOC_ZONE_VERSION, [$JEMALLOC_ZONE_VERSION]) 1195fi 1196 1197dnl ============================================================================ 1198dnl Check for typedefs, structures, and compiler characteristics. 1199AC_HEADER_STDBOOL 1200 1201AC_CONFIG_COMMANDS([include/jemalloc/internal/size_classes.h], [ 1202 mkdir -p "include/jemalloc/internal" 1203 "${srcdir}/include/jemalloc/internal/size_classes.sh" > "${objroot}include/jemalloc/internal/size_classes.h" 1204]) 1205 1206dnl Process .in files. 1207AC_SUBST([cfghdrs_in]) 1208AC_SUBST([cfghdrs_out]) 1209AC_CONFIG_HEADERS([$cfghdrs_tup]) 1210 1211dnl ============================================================================ 1212dnl Generate outputs. 1213AC_CONFIG_FILES([$cfgoutputs_tup config.stamp bin/jemalloc.sh]) 1214AC_SUBST([cfgoutputs_in]) 1215AC_SUBST([cfgoutputs_out]) 1216AC_OUTPUT 1217 1218dnl ============================================================================ 1219dnl Print out the results of configuration. 1220AC_MSG_RESULT([===============================================================================]) 1221AC_MSG_RESULT([jemalloc version : ${jemalloc_version}]) 1222AC_MSG_RESULT([library revision : ${rev}]) 1223AC_MSG_RESULT([]) 1224AC_MSG_RESULT([CC : ${CC}]) 1225AC_MSG_RESULT([CPPFLAGS : ${CPPFLAGS}]) 1226AC_MSG_RESULT([CFLAGS : ${CFLAGS}]) 1227AC_MSG_RESULT([LDFLAGS : ${LDFLAGS}]) 1228AC_MSG_RESULT([LIBS : ${LIBS}]) 1229AC_MSG_RESULT([RPATH_EXTRA : ${RPATH_EXTRA}]) 1230AC_MSG_RESULT([]) 1231AC_MSG_RESULT([XSLTPROC : ${XSLTPROC}]) 1232AC_MSG_RESULT([XSLROOT : ${XSLROOT}]) 1233AC_MSG_RESULT([]) 1234AC_MSG_RESULT([PREFIX : ${PREFIX}]) 1235AC_MSG_RESULT([BINDIR : ${BINDIR}]) 1236AC_MSG_RESULT([INCLUDEDIR : ${INCLUDEDIR}]) 1237AC_MSG_RESULT([LIBDIR : ${LIBDIR}]) 1238AC_MSG_RESULT([DATADIR : ${DATADIR}]) 1239AC_MSG_RESULT([MANDIR : ${MANDIR}]) 1240AC_MSG_RESULT([]) 1241AC_MSG_RESULT([srcroot : ${srcroot}]) 1242AC_MSG_RESULT([abs_srcroot : ${abs_srcroot}]) 1243AC_MSG_RESULT([objroot : ${objroot}]) 1244AC_MSG_RESULT([abs_objroot : ${abs_objroot}]) 1245AC_MSG_RESULT([]) 1246AC_MSG_RESULT([JEMALLOC_PREFIX : ${JEMALLOC_PREFIX}]) 1247AC_MSG_RESULT([JEMALLOC_PRIVATE_NAMESPACE]) 1248AC_MSG_RESULT([ : ${JEMALLOC_PRIVATE_NAMESPACE}]) 1249AC_MSG_RESULT([install_suffix : ${install_suffix}]) 1250AC_MSG_RESULT([autogen : ${enable_autogen}]) 1251AC_MSG_RESULT([experimental : ${enable_experimental}]) 1252AC_MSG_RESULT([cc-silence : ${enable_cc_silence}]) 1253AC_MSG_RESULT([debug : ${enable_debug}]) 1254AC_MSG_RESULT([stats : ${enable_stats}]) 1255AC_MSG_RESULT([prof : ${enable_prof}]) 1256AC_MSG_RESULT([prof-libunwind : ${enable_prof_libunwind}]) 1257AC_MSG_RESULT([prof-libgcc : ${enable_prof_libgcc}]) 1258AC_MSG_RESULT([prof-gcc : ${enable_prof_gcc}]) 1259AC_MSG_RESULT([tcache : ${enable_tcache}]) 1260AC_MSG_RESULT([fill : ${enable_fill}]) 1261AC_MSG_RESULT([utrace : ${enable_utrace}]) 1262AC_MSG_RESULT([valgrind : ${enable_valgrind}]) 1263AC_MSG_RESULT([xmalloc : ${enable_xmalloc}]) 1264AC_MSG_RESULT([munmap : ${enable_munmap}]) 1265AC_MSG_RESULT([dss : ${enable_dss}]) 1266AC_MSG_RESULT([lazy_lock : ${enable_lazy_lock}]) 1267AC_MSG_RESULT([tls : ${enable_tls}]) 1268AC_MSG_RESULT([===============================================================================]) 1269