dnl Process this file with autoconf to produce a configure script. AC_INIT([Makefile.in]) AC_CONFIG_AUX_DIR([build-aux]) dnl ============================================================================ dnl Custom macro definitions. dnl JE_CFLAGS_APPEND(cflag) AC_DEFUN([JE_CFLAGS_APPEND], [ AC_MSG_CHECKING([whether compiler supports $1]) TCFLAGS="${CFLAGS}" if test "x${CFLAGS}" = "x" ; then CFLAGS="$1" else CFLAGS="${CFLAGS} $1" fi AC_COMPILE_IFELSE([AC_LANG_PROGRAM( [[ ]], [[ return 0; ]])], [je_cv_cflags_appended=$1] AC_MSG_RESULT([yes]), [je_cv_cflags_appended=] AC_MSG_RESULT([no]) [CFLAGS="${TCFLAGS}"] ) ]) dnl JE_COMPILABLE(label, hcode, mcode, rvar) dnl dnl Use AC_LINK_IFELSE() rather than AC_COMPILE_IFELSE() so that linker errors dnl cause failure. AC_DEFUN([JE_COMPILABLE], [ AC_CACHE_CHECK([whether $1 is compilable], [$4], [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])], [$4=yes], [$4=no])]) ]) dnl ============================================================================ CONFIG=`echo ${ac_configure_args} | sed -e 's#'"'"'\([^ ]*\)'"'"'#\1#g'` AC_SUBST([CONFIG]) dnl Library revision. rev=2 AC_SUBST([rev]) srcroot=$srcdir if test "x${srcroot}" = "x." ; then srcroot="" else srcroot="${srcroot}/" fi AC_SUBST([srcroot]) abs_srcroot="`cd \"${srcdir}\"; pwd`/" AC_SUBST([abs_srcroot]) objroot="" AC_SUBST([objroot]) abs_objroot="`pwd`/" AC_SUBST([abs_objroot]) dnl Munge install path variables. if test "x$prefix" = "xNONE" ; then prefix="/usr/local" fi if test "x$exec_prefix" = "xNONE" ; then exec_prefix=$prefix fi PREFIX=$prefix AC_SUBST([PREFIX]) BINDIR=`eval echo $bindir` BINDIR=`eval echo $BINDIR` AC_SUBST([BINDIR]) INCLUDEDIR=`eval echo $includedir` INCLUDEDIR=`eval echo $INCLUDEDIR` AC_SUBST([INCLUDEDIR]) LIBDIR=`eval echo $libdir` LIBDIR=`eval echo $LIBDIR` AC_SUBST([LIBDIR]) DATADIR=`eval echo $datadir` DATADIR=`eval echo $DATADIR` AC_SUBST([DATADIR]) MANDIR=`eval echo $mandir` MANDIR=`eval echo $MANDIR` AC_SUBST([MANDIR]) dnl Support for building documentation. AC_PATH_PROG([XSLTPROC], [xsltproc], [false], [$PATH]) if test -d "/usr/share/xml/docbook/stylesheet/docbook-xsl" ; then DEFAULT_XSLROOT="/usr/share/xml/docbook/stylesheet/docbook-xsl" elif test -d "/usr/share/sgml/docbook/xsl-stylesheets" ; then DEFAULT_XSLROOT="/usr/share/sgml/docbook/xsl-stylesheets" else dnl Documentation building will fail if this default gets used. DEFAULT_XSLROOT="" fi AC_ARG_WITH([xslroot], [AS_HELP_STRING([--with-xslroot=<path>], [XSL stylesheet root path])], [ if test "x$with_xslroot" = "xno" ; then XSLROOT="${DEFAULT_XSLROOT}" else XSLROOT="${with_xslroot}" fi ], XSLROOT="${DEFAULT_XSLROOT}" ) AC_SUBST([XSLROOT]) dnl If CFLAGS isn't defined, set CFLAGS to something reasonable. Otherwise, dnl just prevent autoconf from molesting CFLAGS. CFLAGS=$CFLAGS AC_PROG_CC if test "x$GCC" != "xyes" ; then AC_CACHE_CHECK([whether compiler is MSVC], [je_cv_msvc], [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [ #ifndef _MSC_VER int fail[-1]; #endif ])], [je_cv_msvc=yes], [je_cv_msvc=no])]) fi if test "x$CFLAGS" = "x" ; then no_CFLAGS="yes" if test "x$GCC" = "xyes" ; then JE_CFLAGS_APPEND([-std=gnu99]) if test "x$je_cv_cflags_appended" = "x-std=gnu99" ; then AC_DEFINE_UNQUOTED([JEMALLOC_HAS_RESTRICT]) fi JE_CFLAGS_APPEND([-Wall]) JE_CFLAGS_APPEND([-Werror=declaration-after-statement]) JE_CFLAGS_APPEND([-Wshorten-64-to-32]) JE_CFLAGS_APPEND([-pipe]) JE_CFLAGS_APPEND([-g3]) elif test "x$je_cv_msvc" = "xyes" ; then CC="$CC -nologo" JE_CFLAGS_APPEND([-Zi]) JE_CFLAGS_APPEND([-MT]) JE_CFLAGS_APPEND([-W3]) JE_CFLAGS_APPEND([-FS]) CPPFLAGS="$CPPFLAGS -I${srcdir}/include/msvc_compat" fi fi dnl Append EXTRA_CFLAGS to CFLAGS, if defined. if test "x$EXTRA_CFLAGS" != "x" ; then JE_CFLAGS_APPEND([$EXTRA_CFLAGS]) fi AC_PROG_CPP AC_C_BIGENDIAN([ac_cv_big_endian=1], [ac_cv_big_endian=0]) if test "x${ac_cv_big_endian}" = "x1" ; then AC_DEFINE_UNQUOTED([JEMALLOC_BIG_ENDIAN], [ ]) fi if test "x${je_cv_msvc}" = "xyes" -a "x${ac_cv_header_inttypes_h}" = "xno"; then CPPFLAGS="$CPPFLAGS -I${srcdir}/include/msvc_compat/C99" fi if test "x${je_cv_msvc}" = "xyes" ; then LG_SIZEOF_PTR=LG_SIZEOF_PTR_WIN AC_MSG_RESULT([Using a predefined value for sizeof(void *): 4 for 32-bit, 8 for 64-bit]) else AC_CHECK_SIZEOF([void *]) if test "x${ac_cv_sizeof_void_p}" = "x8" ; then LG_SIZEOF_PTR=3 elif test "x${ac_cv_sizeof_void_p}" = "x4" ; then LG_SIZEOF_PTR=2 else AC_MSG_ERROR([Unsupported pointer size: ${ac_cv_sizeof_void_p}]) fi fi AC_DEFINE_UNQUOTED([LG_SIZEOF_PTR], [$LG_SIZEOF_PTR]) AC_CHECK_SIZEOF([int]) if test "x${ac_cv_sizeof_int}" = "x8" ; then LG_SIZEOF_INT=3 elif test "x${ac_cv_sizeof_int}" = "x4" ; then LG_SIZEOF_INT=2 else AC_MSG_ERROR([Unsupported int size: ${ac_cv_sizeof_int}]) fi AC_DEFINE_UNQUOTED([LG_SIZEOF_INT], [$LG_SIZEOF_INT]) AC_CHECK_SIZEOF([long]) if test "x${ac_cv_sizeof_long}" = "x8" ; then LG_SIZEOF_LONG=3 elif test "x${ac_cv_sizeof_long}" = "x4" ; then LG_SIZEOF_LONG=2 else AC_MSG_ERROR([Unsupported long size: ${ac_cv_sizeof_long}]) fi AC_DEFINE_UNQUOTED([LG_SIZEOF_LONG], [$LG_SIZEOF_LONG]) AC_CHECK_SIZEOF([long long]) if test "x${ac_cv_sizeof_long_long}" = "x8" ; then LG_SIZEOF_LONG_LONG=3 elif test "x${ac_cv_sizeof_long_long}" = "x4" ; then LG_SIZEOF_LONG_LONG=2 else AC_MSG_ERROR([Unsupported long long size: ${ac_cv_sizeof_long_long}]) fi AC_DEFINE_UNQUOTED([LG_SIZEOF_LONG_LONG], [$LG_SIZEOF_LONG_LONG]) AC_CHECK_SIZEOF([intmax_t]) if test "x${ac_cv_sizeof_intmax_t}" = "x16" ; then LG_SIZEOF_INTMAX_T=4 elif test "x${ac_cv_sizeof_intmax_t}" = "x8" ; then LG_SIZEOF_INTMAX_T=3 elif test "x${ac_cv_sizeof_intmax_t}" = "x4" ; then LG_SIZEOF_INTMAX_T=2 else AC_MSG_ERROR([Unsupported intmax_t size: ${ac_cv_sizeof_intmax_t}]) fi AC_DEFINE_UNQUOTED([LG_SIZEOF_INTMAX_T], [$LG_SIZEOF_INTMAX_T]) AC_CANONICAL_HOST dnl CPU-specific settings. CPU_SPINWAIT="" case "${host_cpu}" in i686|x86_64) if test "x${je_cv_msvc}" = "xyes" ; then AC_CACHE_VAL([je_cv_pause_msvc], [JE_COMPILABLE([pause instruction MSVC], [], [[_mm_pause(); return 0;]], [je_cv_pause_msvc])]) if test "x${je_cv_pause_msvc}" = "xyes" ; then CPU_SPINWAIT='_mm_pause()' fi else AC_CACHE_VAL([je_cv_pause], [JE_COMPILABLE([pause instruction], [], [[__asm__ volatile("pause"); return 0;]], [je_cv_pause])]) if test "x${je_cv_pause}" = "xyes" ; then CPU_SPINWAIT='__asm__ volatile("pause")' fi fi ;; powerpc) AC_DEFINE_UNQUOTED([HAVE_ALTIVEC], [ ]) ;; *) ;; esac AC_DEFINE_UNQUOTED([CPU_SPINWAIT], [$CPU_SPINWAIT]) LD_PRELOAD_VAR="LD_PRELOAD" so="so" importlib="${so}" o="$ac_objext" a="a" exe="$ac_exeext" libprefix="lib" DSO_LDFLAGS='-shared -Wl,-soname,$(@F)' RPATH='-Wl,-rpath,$(1)' SOREV="${so}.${rev}" PIC_CFLAGS='-fPIC -DPIC' CTARGET='-o $@' LDTARGET='-o $@' EXTRA_LDFLAGS= ARFLAGS='crus' AROUT=' $@' CC_MM=1 AN_MAKEVAR([AR], [AC_PROG_AR]) AN_PROGRAM([ar], [AC_PROG_AR]) AC_DEFUN([AC_PROG_AR], [AC_CHECK_TOOL(AR, ar, :)]) AC_PROG_AR dnl Platform-specific settings. abi and RPATH can probably be determined dnl programmatically, but doing so is error-prone, which makes it generally dnl not worth the trouble. dnl dnl Define cpp macros in CPPFLAGS, rather than doing AC_DEFINE(macro), since the dnl definitions need to be seen before any headers are included, which is a pain dnl to make happen otherwise. default_munmap="1" maps_coalesce="1" case "${host}" in *-*-darwin* | *-*-ios*) CFLAGS="$CFLAGS" abi="macho" AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) RPATH="" LD_PRELOAD_VAR="DYLD_INSERT_LIBRARIES" so="dylib" importlib="${so}" force_tls="0" DSO_LDFLAGS='-shared -Wl,-install_name,$(LIBDIR)/$(@F)' SOREV="${rev}.${so}" sbrk_deprecated="1" ;; *-*-freebsd*) CFLAGS="$CFLAGS" abi="elf" AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) force_lazy_lock="1" ;; *-*-dragonfly*) CFLAGS="$CFLAGS" abi="elf" AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) ;; *-*-openbsd*|*-*-bitrig*) CFLAGS="$CFLAGS" abi="elf" AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) ;; *-*-linux*) CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE" abi="elf" AC_DEFINE([JEMALLOC_HAS_ALLOCA_H]) AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED], [ ]) AC_DEFINE([JEMALLOC_THREADED_INIT], [ ]) AC_DEFINE([JEMALLOC_USE_CXX_THROW], [ ]) default_munmap="0" ;; *-*-netbsd*) AC_MSG_CHECKING([ABI]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM( [[#ifdef __ELF__ /* ELF */ #else #error aout #endif ]])], [CFLAGS="$CFLAGS"; abi="elf"], [abi="aout"]) AC_MSG_RESULT([$abi]) AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) ;; *-*-solaris2*) CFLAGS="$CFLAGS" abi="elf" AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) RPATH='-Wl,-R,$(1)' dnl Solaris needs this for sigwait(). CPPFLAGS="$CPPFLAGS -D_POSIX_PTHREAD_SEMANTICS" LIBS="$LIBS -lposix4 -lsocket -lnsl" ;; *-ibm-aix*) if "$LG_SIZEOF_PTR" = "8"; then dnl 64bit AIX LD_PRELOAD_VAR="LDR_PRELOAD64" else dnl 32bit AIX LD_PRELOAD_VAR="LDR_PRELOAD" fi abi="xcoff" ;; *-*-mingw* | *-*-cygwin*) abi="pecoff" force_tls="0" force_lazy_lock="1" maps_coalesce="0" RPATH="" so="dll" if test "x$je_cv_msvc" = "xyes" ; then importlib="lib" DSO_LDFLAGS="-LD" EXTRA_LDFLAGS="-link -DEBUG" CTARGET='-Fo$@' LDTARGET='-Fe$@' AR='lib' ARFLAGS='-nologo -out:' AROUT='$@' CC_MM= else importlib="${so}" DSO_LDFLAGS="-shared" fi a="lib" libprefix="" SOREV="${so}" PIC_CFLAGS="" ;; *) AC_MSG_RESULT([Unsupported operating system: ${host}]) abi="elf" ;; esac JEMALLOC_USABLE_SIZE_CONST=const AC_CHECK_HEADERS([malloc.h], [ AC_MSG_CHECKING([whether malloc_usable_size definition can use const argument]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM( [#include <malloc.h> #include <stddef.h> size_t malloc_usable_size(const void *ptr); ], [])],[ AC_MSG_RESULT([yes]) ],[ JEMALLOC_USABLE_SIZE_CONST= AC_MSG_RESULT([no]) ]) ]) AC_DEFINE_UNQUOTED([JEMALLOC_USABLE_SIZE_CONST], [$JEMALLOC_USABLE_SIZE_CONST]) AC_SUBST([abi]) AC_SUBST([RPATH]) AC_SUBST([LD_PRELOAD_VAR]) AC_SUBST([so]) AC_SUBST([importlib]) AC_SUBST([o]) AC_SUBST([a]) AC_SUBST([exe]) AC_SUBST([libprefix]) AC_SUBST([DSO_LDFLAGS]) AC_SUBST([EXTRA_LDFLAGS]) AC_SUBST([SOREV]) AC_SUBST([PIC_CFLAGS]) AC_SUBST([CTARGET]) AC_SUBST([LDTARGET]) AC_SUBST([MKLIB]) AC_SUBST([ARFLAGS]) AC_SUBST([AROUT]) AC_SUBST([CC_MM]) JE_COMPILABLE([__attribute__ syntax], [static __attribute__((unused)) void foo(void){}], [], [je_cv_attribute]) if test "x${je_cv_attribute}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_ATTR], [ ]) if test "x${GCC}" = "xyes" -a "x${abi}" = "xelf"; then JE_CFLAGS_APPEND([-fvisibility=hidden]) fi fi dnl Check for tls_model attribute support (clang 3.0 still lacks support). SAVED_CFLAGS="${CFLAGS}" JE_CFLAGS_APPEND([-Werror]) JE_COMPILABLE([tls_model attribute], [], [static __thread int __attribute__((tls_model("initial-exec"), unused)) foo; foo = 0;], [je_cv_tls_model]) CFLAGS="${SAVED_CFLAGS}" if test "x${je_cv_tls_model}" = "xyes" ; then AC_DEFINE([JEMALLOC_TLS_MODEL], [__attribute__((tls_model("initial-exec")))]) else AC_DEFINE([JEMALLOC_TLS_MODEL], [ ]) fi dnl Check for alloc_size attribute support. SAVED_CFLAGS="${CFLAGS}" JE_CFLAGS_APPEND([-Werror]) JE_COMPILABLE([alloc_size attribute], [#include <stdlib.h>], [void *foo(size_t size) __attribute__((alloc_size(1)));], [je_cv_alloc_size]) CFLAGS="${SAVED_CFLAGS}" if test "x${je_cv_alloc_size}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_ATTR_ALLOC_SIZE], [ ]) fi dnl Check for format(gnu_printf, ...) attribute support. SAVED_CFLAGS="${CFLAGS}" JE_CFLAGS_APPEND([-Werror]) JE_COMPILABLE([format(gnu_printf, ...) attribute], [#include <stdlib.h>], [void *foo(const char *format, ...) __attribute__((format(gnu_printf, 1, 2)));], [je_cv_format_gnu_printf]) CFLAGS="${SAVED_CFLAGS}" if test "x${je_cv_format_gnu_printf}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_ATTR_FORMAT_GNU_PRINTF], [ ]) fi dnl Check for format(printf, ...) attribute support. SAVED_CFLAGS="${CFLAGS}" JE_CFLAGS_APPEND([-Werror]) JE_COMPILABLE([format(printf, ...) attribute], [#include <stdlib.h>], [void *foo(const char *format, ...) __attribute__((format(printf, 1, 2)));], [je_cv_format_printf]) CFLAGS="${SAVED_CFLAGS}" if test "x${je_cv_format_printf}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_ATTR_FORMAT_PRINTF], [ ]) fi dnl Support optional additions to rpath. AC_ARG_WITH([rpath], [AS_HELP_STRING([--with-rpath=<rpath>], [Colon-separated rpath (ELF systems only)])], if test "x$with_rpath" = "xno" ; then RPATH_EXTRA= else RPATH_EXTRA="`echo $with_rpath | tr \":\" \" \"`" fi, RPATH_EXTRA= ) AC_SUBST([RPATH_EXTRA]) dnl Disable rules that do automatic regeneration of configure output by default. AC_ARG_ENABLE([autogen], [AS_HELP_STRING([--enable-autogen], [Automatically regenerate configure output])], if test "x$enable_autogen" = "xno" ; then enable_autogen="0" else enable_autogen="1" fi , enable_autogen="0" ) AC_SUBST([enable_autogen]) AC_PROG_INSTALL AC_PROG_RANLIB AC_PATH_PROG([LD], [ld], [false], [$PATH]) AC_PATH_PROG([AUTOCONF], [autoconf], [false], [$PATH]) public_syms="malloc_conf malloc_message malloc calloc posix_memalign aligned_alloc realloc free mallocx rallocx xallocx sallocx dallocx sdallocx nallocx mallctl mallctlnametomib mallctlbymib malloc_stats_print malloc_usable_size" dnl Check for allocator-related functions that should be wrapped. AC_CHECK_FUNC([memalign], [AC_DEFINE([JEMALLOC_OVERRIDE_MEMALIGN], [ ]) public_syms="${public_syms} memalign"]) AC_CHECK_FUNC([valloc], [AC_DEFINE([JEMALLOC_OVERRIDE_VALLOC], [ ]) public_syms="${public_syms} valloc"]) dnl Do not compute test code coverage by default. GCOV_FLAGS= AC_ARG_ENABLE([code-coverage], [AS_HELP_STRING([--enable-code-coverage], [Enable code coverage])], [if test "x$enable_code_coverage" = "xno" ; then enable_code_coverage="0" else enable_code_coverage="1" fi ], [enable_code_coverage="0"] ) if test "x$enable_code_coverage" = "x1" ; then deoptimize="no" echo "$CFLAGS $EXTRA_CFLAGS" | grep '\-O' >/dev/null || deoptimize="yes" if test "x${deoptimize}" = "xyes" ; then JE_CFLAGS_APPEND([-O0]) fi JE_CFLAGS_APPEND([-fprofile-arcs -ftest-coverage]) EXTRA_LDFLAGS="$EXTRA_LDFLAGS -fprofile-arcs -ftest-coverage" AC_DEFINE([JEMALLOC_CODE_COVERAGE], [ ]) fi AC_SUBST([enable_code_coverage]) dnl Perform no name mangling by default. AC_ARG_WITH([mangling], [AS_HELP_STRING([--with-mangling=<map>], [Mangle symbols in <map>])], [mangling_map="$with_mangling"], [mangling_map=""]) dnl Do not prefix public APIs by default. AC_ARG_WITH([jemalloc_prefix], [AS_HELP_STRING([--with-jemalloc-prefix=<prefix>], [Prefix to prepend to all public APIs])], [JEMALLOC_PREFIX="$with_jemalloc_prefix"], [if test "x$abi" != "xmacho" -a "x$abi" != "xpecoff"; then JEMALLOC_PREFIX="" else JEMALLOC_PREFIX="je_" fi] ) if test "x$JEMALLOC_PREFIX" != "x" ; then JEMALLOC_CPREFIX=`echo ${JEMALLOC_PREFIX} | tr "a-z" "A-Z"` AC_DEFINE_UNQUOTED([JEMALLOC_PREFIX], ["$JEMALLOC_PREFIX"]) AC_DEFINE_UNQUOTED([JEMALLOC_CPREFIX], ["$JEMALLOC_CPREFIX"]) fi AC_SUBST([JEMALLOC_CPREFIX]) AC_ARG_WITH([export], [AS_HELP_STRING([--without-export], [disable exporting jemalloc public APIs])], [if test "x$with_export" = "xno"; then AC_DEFINE([JEMALLOC_EXPORT],[]) fi] ) dnl Mangle library-private APIs. AC_ARG_WITH([private_namespace], [AS_HELP_STRING([--with-private-namespace=<prefix>], [Prefix to prepend to all library-private APIs])], [JEMALLOC_PRIVATE_NAMESPACE="${with_private_namespace}je_"], [JEMALLOC_PRIVATE_NAMESPACE="je_"] ) AC_DEFINE_UNQUOTED([JEMALLOC_PRIVATE_NAMESPACE], [$JEMALLOC_PRIVATE_NAMESPACE]) private_namespace="$JEMALLOC_PRIVATE_NAMESPACE" AC_SUBST([private_namespace]) dnl Do not add suffix to installed files by default. AC_ARG_WITH([install_suffix], [AS_HELP_STRING([--with-install-suffix=<suffix>], [Suffix to append to all installed files])], [INSTALL_SUFFIX="$with_install_suffix"], [INSTALL_SUFFIX=] ) install_suffix="$INSTALL_SUFFIX" AC_SUBST([install_suffix]) dnl Specify default malloc_conf. AC_ARG_WITH([malloc_conf], [AS_HELP_STRING([--with-malloc-conf=<malloc_conf>], [config.malloc_conf options string])], [JEMALLOC_CONFIG_MALLOC_CONF="$with_malloc_conf"], [JEMALLOC_CONFIG_MALLOC_CONF=""] ) config_malloc_conf="$JEMALLOC_CONFIG_MALLOC_CONF" AC_DEFINE_UNQUOTED([JEMALLOC_CONFIG_MALLOC_CONF], ["$config_malloc_conf"]) dnl Substitute @je_@ in jemalloc_protos.h.in, primarily to make generation of dnl jemalloc_protos_jet.h easy. je_="je_" AC_SUBST([je_]) cfgoutputs_in="Makefile.in" cfgoutputs_in="${cfgoutputs_in} jemalloc.pc.in" cfgoutputs_in="${cfgoutputs_in} doc/html.xsl.in" cfgoutputs_in="${cfgoutputs_in} doc/manpages.xsl.in" cfgoutputs_in="${cfgoutputs_in} doc/jemalloc.xml.in" cfgoutputs_in="${cfgoutputs_in} include/jemalloc/jemalloc_macros.h.in" cfgoutputs_in="${cfgoutputs_in} include/jemalloc/jemalloc_protos.h.in" cfgoutputs_in="${cfgoutputs_in} include/jemalloc/jemalloc_typedefs.h.in" cfgoutputs_in="${cfgoutputs_in} include/jemalloc/internal/jemalloc_internal.h.in" cfgoutputs_in="${cfgoutputs_in} test/test.sh.in" cfgoutputs_in="${cfgoutputs_in} test/include/test/jemalloc_test.h.in" cfgoutputs_out="Makefile" cfgoutputs_out="${cfgoutputs_out} jemalloc.pc" cfgoutputs_out="${cfgoutputs_out} doc/html.xsl" cfgoutputs_out="${cfgoutputs_out} doc/manpages.xsl" cfgoutputs_out="${cfgoutputs_out} doc/jemalloc.xml" cfgoutputs_out="${cfgoutputs_out} include/jemalloc/jemalloc_macros.h" cfgoutputs_out="${cfgoutputs_out} include/jemalloc/jemalloc_protos.h" cfgoutputs_out="${cfgoutputs_out} include/jemalloc/jemalloc_typedefs.h" cfgoutputs_out="${cfgoutputs_out} include/jemalloc/internal/jemalloc_internal.h" cfgoutputs_out="${cfgoutputs_out} test/test.sh" cfgoutputs_out="${cfgoutputs_out} test/include/test/jemalloc_test.h" cfgoutputs_tup="Makefile" cfgoutputs_tup="${cfgoutputs_tup} jemalloc.pc:jemalloc.pc.in" cfgoutputs_tup="${cfgoutputs_tup} doc/html.xsl:doc/html.xsl.in" cfgoutputs_tup="${cfgoutputs_tup} doc/manpages.xsl:doc/manpages.xsl.in" cfgoutputs_tup="${cfgoutputs_tup} doc/jemalloc.xml:doc/jemalloc.xml.in" cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/jemalloc_macros.h:include/jemalloc/jemalloc_macros.h.in" cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/jemalloc_protos.h:include/jemalloc/jemalloc_protos.h.in" cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/jemalloc_typedefs.h:include/jemalloc/jemalloc_typedefs.h.in" cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/internal/jemalloc_internal.h" cfgoutputs_tup="${cfgoutputs_tup} test/test.sh:test/test.sh.in" cfgoutputs_tup="${cfgoutputs_tup} test/include/test/jemalloc_test.h:test/include/test/jemalloc_test.h.in" cfghdrs_in="include/jemalloc/jemalloc_defs.h.in" cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/jemalloc_internal_defs.h.in" cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/private_namespace.sh" cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/private_unnamespace.sh" cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/private_symbols.txt" cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/public_namespace.sh" cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/public_unnamespace.sh" cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/size_classes.sh" cfghdrs_in="${cfghdrs_in} include/jemalloc/jemalloc_rename.sh" cfghdrs_in="${cfghdrs_in} include/jemalloc/jemalloc_mangle.sh" cfghdrs_in="${cfghdrs_in} include/jemalloc/jemalloc.sh" cfghdrs_in="${cfghdrs_in} test/include/test/jemalloc_test_defs.h.in" cfghdrs_out="include/jemalloc/jemalloc_defs.h" cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc${install_suffix}.h" cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/private_namespace.h" cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/private_unnamespace.h" cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/public_symbols.txt" cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/public_namespace.h" cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/public_unnamespace.h" cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/size_classes.h" cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_protos_jet.h" cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_rename.h" cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_mangle.h" cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_mangle_jet.h" cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/jemalloc_internal_defs.h" cfghdrs_out="${cfghdrs_out} test/include/test/jemalloc_test_defs.h" cfghdrs_tup="include/jemalloc/jemalloc_defs.h:include/jemalloc/jemalloc_defs.h.in" cfghdrs_tup="${cfghdrs_tup} include/jemalloc/internal/jemalloc_internal_defs.h:include/jemalloc/internal/jemalloc_internal_defs.h.in" cfghdrs_tup="${cfghdrs_tup} test/include/test/jemalloc_test_defs.h:test/include/test/jemalloc_test_defs.h.in" dnl Silence irrelevant compiler warnings by default. AC_ARG_ENABLE([cc-silence], [AS_HELP_STRING([--disable-cc-silence], [Do not silence irrelevant compiler warnings])], [if test "x$enable_cc_silence" = "xno" ; then enable_cc_silence="0" else enable_cc_silence="1" fi ], [enable_cc_silence="1"] ) if test "x$enable_cc_silence" = "x1" ; then AC_DEFINE([JEMALLOC_CC_SILENCE], [ ]) fi dnl Do not compile with debugging by default. AC_ARG_ENABLE([debug], [AS_HELP_STRING([--enable-debug], [Build debugging code (implies --enable-ivsalloc)])], [if test "x$enable_debug" = "xno" ; then enable_debug="0" else enable_debug="1" fi ], [enable_debug="0"] ) if test "x$enable_debug" = "x1" ; then AC_DEFINE([JEMALLOC_DEBUG], [ ]) fi if test "x$enable_debug" = "x1" ; then AC_DEFINE([JEMALLOC_DEBUG], [ ]) enable_ivsalloc="1" fi AC_SUBST([enable_debug]) dnl Do not validate pointers by default. AC_ARG_ENABLE([ivsalloc], [AS_HELP_STRING([--enable-ivsalloc], [Validate pointers passed through the public API])], [if test "x$enable_ivsalloc" = "xno" ; then enable_ivsalloc="0" else enable_ivsalloc="1" fi ], [enable_ivsalloc="0"] ) if test "x$enable_ivsalloc" = "x1" ; then AC_DEFINE([JEMALLOC_IVSALLOC], [ ]) fi dnl Only optimize if not debugging. if test "x$enable_debug" = "x0" -a "x$no_CFLAGS" = "xyes" ; then dnl Make sure that an optimization flag was not specified in EXTRA_CFLAGS. optimize="no" echo "$CFLAGS $EXTRA_CFLAGS" | grep '\-O' >/dev/null || optimize="yes" if test "x${optimize}" = "xyes" ; then if test "x$GCC" = "xyes" ; then JE_CFLAGS_APPEND([-O3]) JE_CFLAGS_APPEND([-funroll-loops]) elif test "x$je_cv_msvc" = "xyes" ; then JE_CFLAGS_APPEND([-O2]) else JE_CFLAGS_APPEND([-O]) fi fi fi dnl Enable statistics calculation by default. AC_ARG_ENABLE([stats], [AS_HELP_STRING([--disable-stats], [Disable statistics calculation/reporting])], [if test "x$enable_stats" = "xno" ; then enable_stats="0" else enable_stats="1" fi ], [enable_stats="1"] ) if test "x$enable_stats" = "x1" ; then AC_DEFINE([JEMALLOC_STATS], [ ]) fi AC_SUBST([enable_stats]) dnl Do not enable profiling by default. AC_ARG_ENABLE([prof], [AS_HELP_STRING([--enable-prof], [Enable allocation profiling])], [if test "x$enable_prof" = "xno" ; then enable_prof="0" else enable_prof="1" fi ], [enable_prof="0"] ) if test "x$enable_prof" = "x1" ; then backtrace_method="" else backtrace_method="N/A" fi AC_ARG_ENABLE([prof-libunwind], [AS_HELP_STRING([--enable-prof-libunwind], [Use libunwind for backtracing])], [if test "x$enable_prof_libunwind" = "xno" ; then enable_prof_libunwind="0" else enable_prof_libunwind="1" fi ], [enable_prof_libunwind="0"] ) AC_ARG_WITH([static_libunwind], [AS_HELP_STRING([--with-static-libunwind=<libunwind.a>], [Path to static libunwind library; use rather than dynamically linking])], if test "x$with_static_libunwind" = "xno" ; then LUNWIND="-lunwind" else if test ! -f "$with_static_libunwind" ; then AC_MSG_ERROR([Static libunwind not found: $with_static_libunwind]) fi LUNWIND="$with_static_libunwind" fi, LUNWIND="-lunwind" ) if test "x$backtrace_method" = "x" -a "x$enable_prof_libunwind" = "x1" ; then AC_CHECK_HEADERS([libunwind.h], , [enable_prof_libunwind="0"]) if test "x$LUNWIND" = "x-lunwind" ; then AC_CHECK_LIB([unwind], [unw_backtrace], [LIBS="$LIBS $LUNWIND"], [enable_prof_libunwind="0"]) else LIBS="$LIBS $LUNWIND" fi if test "x${enable_prof_libunwind}" = "x1" ; then backtrace_method="libunwind" AC_DEFINE([JEMALLOC_PROF_LIBUNWIND], [ ]) fi fi AC_ARG_ENABLE([prof-libgcc], [AS_HELP_STRING([--disable-prof-libgcc], [Do not use libgcc for backtracing])], [if test "x$enable_prof_libgcc" = "xno" ; then enable_prof_libgcc="0" else enable_prof_libgcc="1" fi ], [enable_prof_libgcc="1"] ) if test "x$backtrace_method" = "x" -a "x$enable_prof_libgcc" = "x1" \ -a "x$GCC" = "xyes" ; then AC_CHECK_HEADERS([unwind.h], , [enable_prof_libgcc="0"]) AC_CHECK_LIB([gcc], [_Unwind_Backtrace], [LIBS="$LIBS -lgcc"], [enable_prof_libgcc="0"]) if test "x${enable_prof_libgcc}" = "x1" ; then backtrace_method="libgcc" AC_DEFINE([JEMALLOC_PROF_LIBGCC], [ ]) fi else enable_prof_libgcc="0" fi AC_ARG_ENABLE([prof-gcc], [AS_HELP_STRING([--disable-prof-gcc], [Do not use gcc intrinsics for backtracing])], [if test "x$enable_prof_gcc" = "xno" ; then enable_prof_gcc="0" else enable_prof_gcc="1" fi ], [enable_prof_gcc="1"] ) if test "x$backtrace_method" = "x" -a "x$enable_prof_gcc" = "x1" \ -a "x$GCC" = "xyes" ; then JE_CFLAGS_APPEND([-fno-omit-frame-pointer]) backtrace_method="gcc intrinsics" AC_DEFINE([JEMALLOC_PROF_GCC], [ ]) else enable_prof_gcc="0" fi if test "x$backtrace_method" = "x" ; then backtrace_method="none (disabling profiling)" enable_prof="0" fi AC_MSG_CHECKING([configured backtracing method]) AC_MSG_RESULT([$backtrace_method]) if test "x$enable_prof" = "x1" ; then if test "x$abi" != "xpecoff"; then dnl Heap profiling uses the log(3) function. LIBS="$LIBS -lm" fi AC_DEFINE([JEMALLOC_PROF], [ ]) fi AC_SUBST([enable_prof]) dnl Enable thread-specific caching by default. AC_ARG_ENABLE([tcache], [AS_HELP_STRING([--disable-tcache], [Disable per thread caches])], [if test "x$enable_tcache" = "xno" ; then enable_tcache="0" else enable_tcache="1" fi ], [enable_tcache="1"] ) if test "x$enable_tcache" = "x1" ; then AC_DEFINE([JEMALLOC_TCACHE], [ ]) fi AC_SUBST([enable_tcache]) dnl Indicate whether adjacent virtual memory mappings automatically coalesce dnl (and fragment on demand). if test "x${maps_coalesce}" = "x1" ; then AC_DEFINE([JEMALLOC_MAPS_COALESCE], [ ]) fi dnl Enable VM deallocation via munmap() by default. AC_ARG_ENABLE([munmap], [AS_HELP_STRING([--disable-munmap], [Disable VM deallocation via munmap(2)])], [if test "x$enable_munmap" = "xno" ; then enable_munmap="0" else enable_munmap="1" fi ], [enable_munmap="${default_munmap}"] ) if test "x$enable_munmap" = "x1" ; then AC_DEFINE([JEMALLOC_MUNMAP], [ ]) fi AC_SUBST([enable_munmap]) dnl Enable allocation from DSS if supported by the OS. have_dss="1" dnl Check whether the BSD/SUSv1 sbrk() exists. If not, disable DSS support. AC_CHECK_FUNC([sbrk], [have_sbrk="1"], [have_sbrk="0"]) if test "x$have_sbrk" = "x1" ; then if test "x$sbrk_deprecated" = "x1" ; then AC_MSG_RESULT([Disabling dss allocation because sbrk is deprecated]) have_dss="0" fi else have_dss="0" fi if test "x$have_dss" = "x1" ; then AC_DEFINE([JEMALLOC_DSS], [ ]) fi dnl Support the junk/zero filling option by default. AC_ARG_ENABLE([fill], [AS_HELP_STRING([--disable-fill], [Disable support for junk/zero filling, quarantine, and redzones])], [if test "x$enable_fill" = "xno" ; then enable_fill="0" else enable_fill="1" fi ], [enable_fill="1"] ) if test "x$enable_fill" = "x1" ; then AC_DEFINE([JEMALLOC_FILL], [ ]) fi AC_SUBST([enable_fill]) dnl Disable utrace(2)-based tracing by default. AC_ARG_ENABLE([utrace], [AS_HELP_STRING([--enable-utrace], [Enable utrace(2)-based tracing])], [if test "x$enable_utrace" = "xno" ; then enable_utrace="0" else enable_utrace="1" fi ], [enable_utrace="0"] ) JE_COMPILABLE([utrace(2)], [ #include <sys/types.h> #include <sys/param.h> #include <sys/time.h> #include <sys/uio.h> #include <sys/ktrace.h> ], [ utrace((void *)0, 0); ], [je_cv_utrace]) if test "x${je_cv_utrace}" = "xno" ; then enable_utrace="0" fi if test "x$enable_utrace" = "x1" ; then AC_DEFINE([JEMALLOC_UTRACE], [ ]) fi AC_SUBST([enable_utrace]) dnl Support Valgrind by default. AC_ARG_ENABLE([valgrind], [AS_HELP_STRING([--disable-valgrind], [Disable support for Valgrind])], [if test "x$enable_valgrind" = "xno" ; then enable_valgrind="0" else enable_valgrind="1" fi ], [enable_valgrind="1"] ) if test "x$enable_valgrind" = "x1" ; then JE_COMPILABLE([valgrind], [ #include <valgrind/valgrind.h> #include <valgrind/memcheck.h> #if !defined(VALGRIND_RESIZEINPLACE_BLOCK) # error "Incompatible Valgrind version" #endif ], [], [je_cv_valgrind]) if test "x${je_cv_valgrind}" = "xno" ; then enable_valgrind="0" fi if test "x$enable_valgrind" = "x1" ; then AC_DEFINE([JEMALLOC_VALGRIND], [ ]) fi fi AC_SUBST([enable_valgrind]) dnl Do not support the xmalloc option by default. AC_ARG_ENABLE([xmalloc], [AS_HELP_STRING([--enable-xmalloc], [Support xmalloc option])], [if test "x$enable_xmalloc" = "xno" ; then enable_xmalloc="0" else enable_xmalloc="1" fi ], [enable_xmalloc="0"] ) if test "x$enable_xmalloc" = "x1" ; then AC_DEFINE([JEMALLOC_XMALLOC], [ ]) fi AC_SUBST([enable_xmalloc]) dnl Support cache-oblivious allocation alignment by default. AC_ARG_ENABLE([cache-oblivious], [AS_HELP_STRING([--disable-cache-oblivious], [Disable support for cache-oblivious allocation alignment])], [if test "x$enable_cache_oblivious" = "xno" ; then enable_cache_oblivious="0" else enable_cache_oblivious="1" fi ], [enable_cache_oblivious="1"] ) if test "x$enable_cache_oblivious" = "x1" ; then AC_DEFINE([JEMALLOC_CACHE_OBLIVIOUS], [ ]) fi AC_SUBST([enable_cache_oblivious]) dnl ============================================================================ dnl Check for __builtin_ffsl(), then ffsl(3), and fail if neither are found. dnl One of those two functions should (theoretically) exist on all platforms dnl that jemalloc currently has a chance of functioning on without modification. dnl We additionally assume ffs[ll]() or __builtin_ffs[ll]() are defined if dnl ffsl() or __builtin_ffsl() are defined, respectively. JE_COMPILABLE([a program using __builtin_ffsl], [ #include <stdio.h> #include <strings.h> #include <string.h> ], [ { int rv = __builtin_ffsl(0x08); printf("%d\n", rv); } ], [je_cv_gcc_builtin_ffsl]) if test "x${je_cv_gcc_builtin_ffsl}" = "xyes" ; then AC_DEFINE([JEMALLOC_INTERNAL_FFSLL], [__builtin_ffsll]) AC_DEFINE([JEMALLOC_INTERNAL_FFSL], [__builtin_ffsl]) AC_DEFINE([JEMALLOC_INTERNAL_FFS], [__builtin_ffs]) else JE_COMPILABLE([a program using ffsl], [ #include <stdio.h> #include <strings.h> #include <string.h> ], [ { int rv = ffsl(0x08); printf("%d\n", rv); } ], [je_cv_function_ffsl]) if test "x${je_cv_function_ffsl}" = "xyes" ; then AC_DEFINE([JEMALLOC_INTERNAL_FFSLL], [ffsll]) AC_DEFINE([JEMALLOC_INTERNAL_FFSL], [ffsl]) AC_DEFINE([JEMALLOC_INTERNAL_FFS], [ffs]) else AC_MSG_ERROR([Cannot build without ffsl(3) or __builtin_ffsl()]) fi fi AC_ARG_WITH([lg_tiny_min], [AS_HELP_STRING([--with-lg-tiny-min=<lg-tiny-min>], [Base 2 log of minimum tiny size class to support])], [LG_TINY_MIN="$with_lg_tiny_min"], [LG_TINY_MIN="3"]) AC_DEFINE_UNQUOTED([LG_TINY_MIN], [$LG_TINY_MIN]) AC_ARG_WITH([lg_quantum], [AS_HELP_STRING([--with-lg-quantum=<lg-quantum>], [Base 2 log of minimum allocation alignment])], [LG_QUANTA="$with_lg_quantum"], [LG_QUANTA="3 4"]) if test "x$with_lg_quantum" != "x" ; then AC_DEFINE_UNQUOTED([LG_QUANTUM], [$with_lg_quantum]) fi AC_ARG_WITH([lg_page], [AS_HELP_STRING([--with-lg-page=<lg-page>], [Base 2 log of system page size])], [LG_PAGE="$with_lg_page"], [LG_PAGE="detect"]) if test "x$LG_PAGE" = "xdetect"; then AC_CACHE_CHECK([LG_PAGE], [je_cv_lg_page], AC_RUN_IFELSE([AC_LANG_PROGRAM( [[ #include <strings.h> #ifdef _WIN32 #include <windows.h> #else #include <unistd.h> #endif #include <stdio.h> ]], [[ int result; FILE *f; #ifdef _WIN32 SYSTEM_INFO si; GetSystemInfo(&si); result = si.dwPageSize; #else result = sysconf(_SC_PAGESIZE); #endif if (result == -1) { return 1; } result = JEMALLOC_INTERNAL_FFSL(result) - 1; f = fopen("conftest.out", "w"); if (f == NULL) { return 1; } fprintf(f, "%d", result); fclose(f); return 0; ]])], [je_cv_lg_page=`cat conftest.out`], [je_cv_lg_page=undefined], [je_cv_lg_page=12])) fi if test "x${je_cv_lg_page}" != "x" ; then LG_PAGE="${je_cv_lg_page}" fi if test "x${LG_PAGE}" != "xundefined" ; then AC_DEFINE_UNQUOTED([LG_PAGE], [$LG_PAGE]) else AC_MSG_ERROR([cannot determine value for LG_PAGE]) fi AC_ARG_WITH([lg_page_sizes], [AS_HELP_STRING([--with-lg-page-sizes=<lg-page-sizes>], [Base 2 logs of system page sizes to support])], [LG_PAGE_SIZES="$with_lg_page_sizes"], [LG_PAGE_SIZES="$LG_PAGE"]) AC_ARG_WITH([lg_size_class_group], [AS_HELP_STRING([--with-lg-size-class-group=<lg-size-class-group>], [Base 2 log of size classes per doubling])], [LG_SIZE_CLASS_GROUP="$with_lg_size_class_group"], [LG_SIZE_CLASS_GROUP="2"]) dnl ============================================================================ dnl jemalloc configuration. dnl dnl Set VERSION if source directory is inside a git repository. if test "x`test ! \"${srcroot}\" && cd \"${srcroot}\"; git rev-parse --is-inside-work-tree 2>/dev/null`" = "xtrue" ; then dnl Pattern globs aren't powerful enough to match both single- and dnl double-digit version numbers, so iterate over patterns to support up to dnl version 99.99.99 without any accidental matches. rm -f "${objroot}VERSION" for pattern in ['[0-9].[0-9].[0-9]' '[0-9].[0-9].[0-9][0-9]' \ '[0-9].[0-9][0-9].[0-9]' '[0-9].[0-9][0-9].[0-9][0-9]' \ '[0-9][0-9].[0-9].[0-9]' '[0-9][0-9].[0-9].[0-9][0-9]' \ '[0-9][0-9].[0-9][0-9].[0-9]' \ '[0-9][0-9].[0-9][0-9].[0-9][0-9]']; do if test ! -e "${objroot}VERSION" ; then (test ! "${srcroot}" && cd "${srcroot}"; git describe --long --abbrev=40 --match="${pattern}") > "${objroot}VERSION.tmp" 2>/dev/null if test $? -eq 0 ; then mv "${objroot}VERSION.tmp" "${objroot}VERSION" break fi fi done fi rm -f "${objroot}VERSION.tmp" if test ! -e "${objroot}VERSION" ; then if test ! -e "${srcroot}VERSION" ; then AC_MSG_RESULT( [Missing VERSION file, and unable to generate it; creating bogus VERSION]) echo "0.0.0-0-g0000000000000000000000000000000000000000" > "${objroot}VERSION" else cp ${srcroot}VERSION ${objroot}VERSION fi fi jemalloc_version=`cat "${objroot}VERSION"` jemalloc_version_major=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]1}'` jemalloc_version_minor=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]2}'` jemalloc_version_bugfix=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]3}'` jemalloc_version_nrev=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]4}'` jemalloc_version_gid=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]5}'` AC_SUBST([jemalloc_version]) AC_SUBST([jemalloc_version_major]) AC_SUBST([jemalloc_version_minor]) AC_SUBST([jemalloc_version_bugfix]) AC_SUBST([jemalloc_version_nrev]) AC_SUBST([jemalloc_version_gid]) dnl ============================================================================ dnl Configure pthreads. if test "x$abi" != "xpecoff" ; then AC_CHECK_HEADERS([pthread.h], , [AC_MSG_ERROR([pthread.h is missing])]) dnl Some systems may embed pthreads functionality in libc; check for libpthread dnl first, but try libc too before failing. AC_CHECK_LIB([pthread], [pthread_create], [LIBS="$LIBS -lpthread"], [AC_SEARCH_LIBS([pthread_create], , , AC_MSG_ERROR([libpthread is missing]))]) fi CPPFLAGS="$CPPFLAGS -D_REENTRANT" dnl Check whether clock_gettime(2) is in libc or librt. This function is only dnl used in test code, so save the result to TESTLIBS to avoid poluting LIBS. SAVED_LIBS="${LIBS}" LIBS= AC_SEARCH_LIBS([clock_gettime], [rt], [TESTLIBS="${LIBS}"]) AC_SUBST([TESTLIBS]) LIBS="${SAVED_LIBS}" dnl Check if the GNU-specific secure_getenv function exists. AC_CHECK_FUNC([secure_getenv], [have_secure_getenv="1"], [have_secure_getenv="0"] ) if test "x$have_secure_getenv" = "x1" ; then AC_DEFINE([JEMALLOC_HAVE_SECURE_GETENV], [ ]) fi dnl Check if the Solaris/BSD issetugid function exists. AC_CHECK_FUNC([issetugid], [have_issetugid="1"], [have_issetugid="0"] ) if test "x$have_issetugid" = "x1" ; then AC_DEFINE([JEMALLOC_HAVE_ISSETUGID], [ ]) fi dnl Check whether the BSD-specific _malloc_thread_cleanup() exists. If so, use dnl it rather than pthreads TSD cleanup functions to support cleanup during dnl thread exit, in order to avoid pthreads library recursion during dnl bootstrapping. AC_CHECK_FUNC([_malloc_thread_cleanup], [have__malloc_thread_cleanup="1"], [have__malloc_thread_cleanup="0"] ) if test "x$have__malloc_thread_cleanup" = "x1" ; then AC_DEFINE([JEMALLOC_MALLOC_THREAD_CLEANUP], [ ]) force_tls="1" fi dnl Check whether the BSD-specific _pthread_mutex_init_calloc_cb() exists. If dnl so, mutex initialization causes allocation, and we need to implement this dnl callback function in order to prevent recursive allocation. AC_CHECK_FUNC([_pthread_mutex_init_calloc_cb], [have__pthread_mutex_init_calloc_cb="1"], [have__pthread_mutex_init_calloc_cb="0"] ) if test "x$have__pthread_mutex_init_calloc_cb" = "x1" ; then AC_DEFINE([JEMALLOC_MUTEX_INIT_CB]) fi dnl Disable lazy locking by default. AC_ARG_ENABLE([lazy_lock], [AS_HELP_STRING([--enable-lazy-lock], [Enable lazy locking (only lock when multi-threaded)])], [if test "x$enable_lazy_lock" = "xno" ; then enable_lazy_lock="0" else enable_lazy_lock="1" fi ], [enable_lazy_lock=""] ) if test "x$enable_lazy_lock" = "x" -a "x${force_lazy_lock}" = "x1" ; then AC_MSG_RESULT([Forcing lazy-lock to avoid allocator/threading bootstrap issues]) enable_lazy_lock="1" fi if test "x$enable_lazy_lock" = "x1" ; then if test "x$abi" != "xpecoff" ; then AC_CHECK_HEADERS([dlfcn.h], , [AC_MSG_ERROR([dlfcn.h is missing])]) AC_CHECK_FUNC([dlsym], [], [AC_CHECK_LIB([dl], [dlsym], [LIBS="$LIBS -ldl"], [AC_MSG_ERROR([libdl is missing])]) ]) fi AC_DEFINE([JEMALLOC_LAZY_LOCK], [ ]) else enable_lazy_lock="0" fi AC_SUBST([enable_lazy_lock]) AC_ARG_ENABLE([tls], [AS_HELP_STRING([--disable-tls], [Disable thread-local storage (__thread keyword)])], if test "x$enable_tls" = "xno" ; then enable_tls="0" else enable_tls="1" fi , enable_tls="" ) if test "x${enable_tls}" = "x" ; then if test "x${force_tls}" = "x1" ; then AC_MSG_RESULT([Forcing TLS to avoid allocator/threading bootstrap issues]) enable_tls="1" elif test "x${force_tls}" = "x0" ; then AC_MSG_RESULT([Forcing no TLS to avoid allocator/threading bootstrap issues]) enable_tls="0" else enable_tls="1" fi fi if test "x${enable_tls}" = "x1" ; then AC_MSG_CHECKING([for TLS]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM( [[ __thread int x; ]], [[ x = 42; return 0; ]])], AC_MSG_RESULT([yes]), AC_MSG_RESULT([no]) enable_tls="0") else enable_tls="0" fi AC_SUBST([enable_tls]) if test "x${enable_tls}" = "x1" ; then if test "x${force_tls}" = "x0" ; then AC_MSG_WARN([TLS enabled despite being marked unusable on this platform]) fi AC_DEFINE_UNQUOTED([JEMALLOC_TLS], [ ]) elif test "x${force_tls}" = "x1" ; then AC_MSG_WARN([TLS disabled despite being marked critical on this platform]) fi dnl ============================================================================ dnl Check for C11 atomics. JE_COMPILABLE([C11 atomics], [ #include <stdint.h> #if (__STDC_VERSION__ >= 201112L) && !defined(__STDC_NO_ATOMICS__) #include <stdatomic.h> #else #error Atomics not available #endif ], [ uint64_t *p = (uint64_t *)0; uint64_t x = 1; volatile atomic_uint_least64_t *a = (volatile atomic_uint_least64_t *)p; uint64_t r = atomic_fetch_add(a, x) + x; return (r == 0); ], [je_cv_c11atomics]) if test "x${je_cv_c11atomics}" = "xyes" ; then AC_DEFINE([JEMALLOC_C11ATOMICS]) fi dnl ============================================================================ dnl Check for atomic(9) operations as provided on FreeBSD. JE_COMPILABLE([atomic(9)], [ #include <sys/types.h> #include <machine/atomic.h> #include <inttypes.h> ], [ { uint32_t x32 = 0; volatile uint32_t *x32p = &x32; atomic_fetchadd_32(x32p, 1); } { unsigned long xlong = 0; volatile unsigned long *xlongp = &xlong; atomic_fetchadd_long(xlongp, 1); } ], [je_cv_atomic9]) if test "x${je_cv_atomic9}" = "xyes" ; then AC_DEFINE([JEMALLOC_ATOMIC9]) fi dnl ============================================================================ dnl Check for atomic(3) operations as provided on Darwin. JE_COMPILABLE([Darwin OSAtomic*()], [ #include <libkern/OSAtomic.h> #include <inttypes.h> ], [ { int32_t x32 = 0; volatile int32_t *x32p = &x32; OSAtomicAdd32(1, x32p); } { int64_t x64 = 0; volatile int64_t *x64p = &x64; OSAtomicAdd64(1, x64p); } ], [je_cv_osatomic]) if test "x${je_cv_osatomic}" = "xyes" ; then AC_DEFINE([JEMALLOC_OSATOMIC], [ ]) fi dnl ============================================================================ dnl Check for madvise(2). JE_COMPILABLE([madvise(2)], [ #include <sys/mman.h> ], [ { madvise((void *)0, 0, 0); } ], [je_cv_madvise]) if test "x${je_cv_madvise}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_MADVISE], [ ]) fi dnl ============================================================================ dnl Check whether __sync_{add,sub}_and_fetch() are available despite dnl __GCC_HAVE_SYNC_COMPARE_AND_SWAP_n macros being undefined. AC_DEFUN([JE_SYNC_COMPARE_AND_SWAP_CHECK],[ AC_CACHE_CHECK([whether to force $1-bit __sync_{add,sub}_and_fetch()], [je_cv_sync_compare_and_swap_$2], [AC_LINK_IFELSE([AC_LANG_PROGRAM([ #include <stdint.h> ], [ #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_$2 { uint$1_t x$1 = 0; __sync_add_and_fetch(&x$1, 42); __sync_sub_and_fetch(&x$1, 1); } #else #error __GCC_HAVE_SYNC_COMPARE_AND_SWAP_$2 is defined, no need to force #endif ])], [je_cv_sync_compare_and_swap_$2=yes], [je_cv_sync_compare_and_swap_$2=no])]) if test "x${je_cv_sync_compare_and_swap_$2}" = "xyes" ; then AC_DEFINE([JE_FORCE_SYNC_COMPARE_AND_SWAP_$2], [ ]) fi ]) if test "x${je_cv_atomic9}" != "xyes" -a "x${je_cv_osatomic}" != "xyes" ; then JE_SYNC_COMPARE_AND_SWAP_CHECK(32, 4) JE_SYNC_COMPARE_AND_SWAP_CHECK(64, 8) fi dnl ============================================================================ dnl Check for __builtin_clz() and __builtin_clzl(). AC_CACHE_CHECK([for __builtin_clz], [je_cv_builtin_clz], [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [ { unsigned x = 0; int y = __builtin_clz(x); } { unsigned long x = 0; int y = __builtin_clzl(x); } ])], [je_cv_builtin_clz=yes], [je_cv_builtin_clz=no])]) if test "x${je_cv_builtin_clz}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_BUILTIN_CLZ], [ ]) fi dnl ============================================================================ dnl Check for spinlock(3) operations as provided on Darwin. JE_COMPILABLE([Darwin OSSpin*()], [ #include <libkern/OSAtomic.h> #include <inttypes.h> ], [ OSSpinLock lock = 0; OSSpinLockLock(&lock); OSSpinLockUnlock(&lock); ], [je_cv_osspin]) if test "x${je_cv_osspin}" = "xyes" ; then AC_DEFINE([JEMALLOC_OSSPIN], [ ]) fi dnl ============================================================================ dnl Darwin-related configuration. AC_ARG_ENABLE([zone-allocator], [AS_HELP_STRING([--disable-zone-allocator], [Disable zone allocator for Darwin])], [if test "x$enable_zone_allocator" = "xno" ; then enable_zone_allocator="0" else enable_zone_allocator="1" fi ], [if test "x${abi}" = "xmacho"; then enable_zone_allocator="1" fi ] ) AC_SUBST([enable_zone_allocator]) if test "x${enable_zone_allocator}" = "x1" ; then if test "x${abi}" != "xmacho"; then AC_MSG_ERROR([--enable-zone-allocator is only supported on Darwin]) fi AC_DEFINE([JEMALLOC_ZONE], [ ]) dnl The szone version jumped from 3 to 6 between the OS X 10.5.x and 10.6 dnl releases. malloc_zone_t and malloc_introspection_t have new fields in dnl 10.6, which is the only source-level indication of the change. AC_MSG_CHECKING([malloc zone version]) AC_DEFUN([JE_ZONE_PROGRAM], [AC_LANG_PROGRAM( [#include <malloc/malloc.h>], [static int foo[[sizeof($1) $2 sizeof(void *) * $3 ? 1 : -1]]] )]) AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,14)],[JEMALLOC_ZONE_VERSION=3],[ AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,15)],[JEMALLOC_ZONE_VERSION=5],[ AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,16)],[ AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_introspection_t,==,9)],[JEMALLOC_ZONE_VERSION=6],[ AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_introspection_t,==,13)],[JEMALLOC_ZONE_VERSION=7],[JEMALLOC_ZONE_VERSION=] )])],[ AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,17)],[JEMALLOC_ZONE_VERSION=8],[ AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,>,17)],[JEMALLOC_ZONE_VERSION=9],[JEMALLOC_ZONE_VERSION=] )])])])]) if test "x${JEMALLOC_ZONE_VERSION}" = "x"; then AC_MSG_RESULT([unsupported]) AC_MSG_ERROR([Unsupported malloc zone version]) fi if test "${JEMALLOC_ZONE_VERSION}" = 9; then JEMALLOC_ZONE_VERSION=8 AC_MSG_RESULT([> 8]) else AC_MSG_RESULT([$JEMALLOC_ZONE_VERSION]) fi AC_DEFINE_UNQUOTED(JEMALLOC_ZONE_VERSION, [$JEMALLOC_ZONE_VERSION]) fi dnl ============================================================================ dnl Check for glibc malloc hooks JE_COMPILABLE([glibc malloc hook], [ #include <stddef.h> extern void (* __free_hook)(void *ptr); extern void *(* __malloc_hook)(size_t size); extern void *(* __realloc_hook)(void *ptr, size_t size); ], [ void *ptr = 0L; if (__malloc_hook) ptr = __malloc_hook(1); if (__realloc_hook) ptr = __realloc_hook(ptr, 2); if (__free_hook && ptr) __free_hook(ptr); ], [je_cv_glibc_malloc_hook]) if test "x${je_cv_glibc_malloc_hook}" = "xyes" ; then AC_DEFINE([JEMALLOC_GLIBC_MALLOC_HOOK], [ ]) fi JE_COMPILABLE([glibc memalign hook], [ #include <stddef.h> extern void *(* __memalign_hook)(size_t alignment, size_t size); ], [ void *ptr = 0L; if (__memalign_hook) ptr = __memalign_hook(16, 7); ], [je_cv_glibc_memalign_hook]) if test "x${je_cv_glibc_memalign_hook}" = "xyes" ; then AC_DEFINE([JEMALLOC_GLIBC_MEMALIGN_HOOK], [ ]) fi JE_COMPILABLE([pthreads adaptive mutexes], [ #include <pthread.h> ], [ pthread_mutexattr_t attr; pthread_mutexattr_init(&attr); pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ADAPTIVE_NP); pthread_mutexattr_destroy(&attr); ], [je_cv_pthread_mutex_adaptive_np]) if test "x${je_cv_pthread_mutex_adaptive_np}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_PTHREAD_MUTEX_ADAPTIVE_NP], [ ]) fi dnl ============================================================================ dnl Check for typedefs, structures, and compiler characteristics. AC_HEADER_STDBOOL dnl ============================================================================ dnl Define commands that generate output files. AC_CONFIG_COMMANDS([include/jemalloc/internal/private_namespace.h], [ mkdir -p "${objroot}include/jemalloc/internal" "${srcdir}/include/jemalloc/internal/private_namespace.sh" "${srcdir}/include/jemalloc/internal/private_symbols.txt" > "${objroot}include/jemalloc/internal/private_namespace.h" ], [ srcdir="${srcdir}" objroot="${objroot}" ]) AC_CONFIG_COMMANDS([include/jemalloc/internal/private_unnamespace.h], [ mkdir -p "${objroot}include/jemalloc/internal" "${srcdir}/include/jemalloc/internal/private_unnamespace.sh" "${srcdir}/include/jemalloc/internal/private_symbols.txt" > "${objroot}include/jemalloc/internal/private_unnamespace.h" ], [ srcdir="${srcdir}" objroot="${objroot}" ]) AC_CONFIG_COMMANDS([include/jemalloc/internal/public_symbols.txt], [ f="${objroot}include/jemalloc/internal/public_symbols.txt" mkdir -p "${objroot}include/jemalloc/internal" cp /dev/null "${f}" for nm in `echo ${mangling_map} |tr ',' ' '` ; do n=`echo ${nm} |tr ':' ' ' |awk '{print $[]1}'` m=`echo ${nm} |tr ':' ' ' |awk '{print $[]2}'` echo "${n}:${m}" >> "${f}" dnl Remove name from public_syms so that it isn't redefined later. public_syms=`for sym in ${public_syms}; do echo "${sym}"; done |grep -v "^${n}\$" |tr '\n' ' '` done for sym in ${public_syms} ; do n="${sym}" m="${JEMALLOC_PREFIX}${sym}" echo "${n}:${m}" >> "${f}" done ], [ srcdir="${srcdir}" objroot="${objroot}" mangling_map="${mangling_map}" public_syms="${public_syms}" JEMALLOC_PREFIX="${JEMALLOC_PREFIX}" ]) AC_CONFIG_COMMANDS([include/jemalloc/internal/public_namespace.h], [ mkdir -p "${objroot}include/jemalloc/internal" "${srcdir}/include/jemalloc/internal/public_namespace.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" > "${objroot}include/jemalloc/internal/public_namespace.h" ], [ srcdir="${srcdir}" objroot="${objroot}" ]) AC_CONFIG_COMMANDS([include/jemalloc/internal/public_unnamespace.h], [ mkdir -p "${objroot}include/jemalloc/internal" "${srcdir}/include/jemalloc/internal/public_unnamespace.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" > "${objroot}include/jemalloc/internal/public_unnamespace.h" ], [ srcdir="${srcdir}" objroot="${objroot}" ]) AC_CONFIG_COMMANDS([include/jemalloc/internal/size_classes.h], [ mkdir -p "${objroot}include/jemalloc/internal" "${SHELL}" "${srcdir}/include/jemalloc/internal/size_classes.sh" "${LG_QUANTA}" ${LG_TINY_MIN} "${LG_PAGE_SIZES}" ${LG_SIZE_CLASS_GROUP} > "${objroot}include/jemalloc/internal/size_classes.h" ], [ SHELL="${SHELL}" srcdir="${srcdir}" objroot="${objroot}" LG_QUANTA="${LG_QUANTA}" LG_TINY_MIN=${LG_TINY_MIN} LG_PAGE_SIZES="${LG_PAGE_SIZES}" LG_SIZE_CLASS_GROUP=${LG_SIZE_CLASS_GROUP} ]) AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_protos_jet.h], [ mkdir -p "${objroot}include/jemalloc" cat "${srcdir}/include/jemalloc/jemalloc_protos.h.in" | sed -e 's/@je_@/jet_/g' > "${objroot}include/jemalloc/jemalloc_protos_jet.h" ], [ srcdir="${srcdir}" objroot="${objroot}" ]) AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_rename.h], [ mkdir -p "${objroot}include/jemalloc" "${srcdir}/include/jemalloc/jemalloc_rename.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" > "${objroot}include/jemalloc/jemalloc_rename.h" ], [ srcdir="${srcdir}" objroot="${objroot}" ]) AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_mangle.h], [ mkdir -p "${objroot}include/jemalloc" "${srcdir}/include/jemalloc/jemalloc_mangle.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" je_ > "${objroot}include/jemalloc/jemalloc_mangle.h" ], [ srcdir="${srcdir}" objroot="${objroot}" ]) AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_mangle_jet.h], [ mkdir -p "${objroot}include/jemalloc" "${srcdir}/include/jemalloc/jemalloc_mangle.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" jet_ > "${objroot}include/jemalloc/jemalloc_mangle_jet.h" ], [ srcdir="${srcdir}" objroot="${objroot}" ]) AC_CONFIG_COMMANDS([include/jemalloc/jemalloc.h], [ mkdir -p "${objroot}include/jemalloc" "${srcdir}/include/jemalloc/jemalloc.sh" "${objroot}" > "${objroot}include/jemalloc/jemalloc${install_suffix}.h" ], [ srcdir="${srcdir}" objroot="${objroot}" install_suffix="${install_suffix}" ]) dnl Process .in files. AC_SUBST([cfghdrs_in]) AC_SUBST([cfghdrs_out]) AC_CONFIG_HEADERS([$cfghdrs_tup]) dnl ============================================================================ dnl Generate outputs. AC_CONFIG_FILES([$cfgoutputs_tup config.stamp bin/jemalloc-config bin/jemalloc.sh bin/jeprof]) AC_SUBST([cfgoutputs_in]) AC_SUBST([cfgoutputs_out]) AC_OUTPUT dnl ============================================================================ dnl Print out the results of configuration. AC_MSG_RESULT([===============================================================================]) AC_MSG_RESULT([jemalloc version : ${jemalloc_version}]) AC_MSG_RESULT([library revision : ${rev}]) AC_MSG_RESULT([]) AC_MSG_RESULT([CONFIG : ${CONFIG}]) AC_MSG_RESULT([CC : ${CC}]) AC_MSG_RESULT([CFLAGS : ${CFLAGS}]) AC_MSG_RESULT([CPPFLAGS : ${CPPFLAGS}]) AC_MSG_RESULT([LDFLAGS : ${LDFLAGS}]) AC_MSG_RESULT([EXTRA_LDFLAGS : ${EXTRA_LDFLAGS}]) AC_MSG_RESULT([LIBS : ${LIBS}]) AC_MSG_RESULT([TESTLIBS : ${TESTLIBS}]) AC_MSG_RESULT([RPATH_EXTRA : ${RPATH_EXTRA}]) AC_MSG_RESULT([]) AC_MSG_RESULT([XSLTPROC : ${XSLTPROC}]) AC_MSG_RESULT([XSLROOT : ${XSLROOT}]) AC_MSG_RESULT([]) AC_MSG_RESULT([PREFIX : ${PREFIX}]) AC_MSG_RESULT([BINDIR : ${BINDIR}]) AC_MSG_RESULT([DATADIR : ${DATADIR}]) AC_MSG_RESULT([INCLUDEDIR : ${INCLUDEDIR}]) AC_MSG_RESULT([LIBDIR : ${LIBDIR}]) AC_MSG_RESULT([MANDIR : ${MANDIR}]) AC_MSG_RESULT([]) AC_MSG_RESULT([srcroot : ${srcroot}]) AC_MSG_RESULT([abs_srcroot : ${abs_srcroot}]) AC_MSG_RESULT([objroot : ${objroot}]) AC_MSG_RESULT([abs_objroot : ${abs_objroot}]) AC_MSG_RESULT([]) AC_MSG_RESULT([JEMALLOC_PREFIX : ${JEMALLOC_PREFIX}]) AC_MSG_RESULT([JEMALLOC_PRIVATE_NAMESPACE]) AC_MSG_RESULT([ : ${JEMALLOC_PRIVATE_NAMESPACE}]) AC_MSG_RESULT([install_suffix : ${install_suffix}]) AC_MSG_RESULT([malloc_conf : ${config_malloc_conf}]) AC_MSG_RESULT([autogen : ${enable_autogen}]) AC_MSG_RESULT([cc-silence : ${enable_cc_silence}]) AC_MSG_RESULT([debug : ${enable_debug}]) AC_MSG_RESULT([code-coverage : ${enable_code_coverage}]) AC_MSG_RESULT([stats : ${enable_stats}]) AC_MSG_RESULT([prof : ${enable_prof}]) AC_MSG_RESULT([prof-libunwind : ${enable_prof_libunwind}]) AC_MSG_RESULT([prof-libgcc : ${enable_prof_libgcc}]) AC_MSG_RESULT([prof-gcc : ${enable_prof_gcc}]) AC_MSG_RESULT([tcache : ${enable_tcache}]) AC_MSG_RESULT([fill : ${enable_fill}]) AC_MSG_RESULT([utrace : ${enable_utrace}]) AC_MSG_RESULT([valgrind : ${enable_valgrind}]) AC_MSG_RESULT([xmalloc : ${enable_xmalloc}]) AC_MSG_RESULT([munmap : ${enable_munmap}]) AC_MSG_RESULT([lazy_lock : ${enable_lazy_lock}]) AC_MSG_RESULT([tls : ${enable_tls}]) AC_MSG_RESULT([cache-oblivious : ${enable_cache_oblivious}]) AC_MSG_RESULT([===============================================================================])