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-rw-r--r--extra/jemalloc/configure.ac1333
1 files changed, 1333 insertions, 0 deletions
diff --git a/extra/jemalloc/configure.ac b/extra/jemalloc/configure.ac
new file mode 100644
index 00000000000..c270662b6d4
--- /dev/null
+++ b/extra/jemalloc/configure.ac
@@ -0,0 +1,1333 @@
+dnl Process this file with autoconf to produce a configure script.
+AC_INIT([Makefile.in])
+
+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} $1"
+fi
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+[[
+]], [[
+ return 0;
+]])],
+ AC_MSG_RESULT([yes]),
+ AC_MSG_RESULT([no])
+ [CFLAGS="${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],
+ [$4=no])])
+])
+
+dnl ============================================================================
+
+dnl Library revision.
+rev=1
+AC_SUBST([rev])
+
+srcroot=$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])
+ JE_CFLAGS_APPEND([-Wall])
+ 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])
+ CPPFLAGS="$CPPFLAGS -I${srcroot}/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_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: ${ac_cv_sizeof_void_p}])
+fi
+AC_DEFINE_UNQUOTED([LG_SIZEOF_PTR], [$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([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 "${host_cpu}" in
+ i[[345]]86)
+ ;;
+ i686)
+ JE_COMPILABLE([__asm__], [], [[__asm__ volatile("pause"); return 0;]],
+ [je_cv_asm])
+ if test "x${je_cv_asm}" = "xyes" ; then
+ CPU_SPINWAIT='__asm__ volatile("pause")'
+ fi
+ ;;
+ x86_64)
+ JE_COMPILABLE([__asm__ syntax], [],
+ [[__asm__ volatile("pause"); return 0;]], [je_cv_asm])
+ if test "x${je_cv_asm}" = "xyes" ; then
+ CPU_SPINWAIT='__asm__ volatile("pause")'
+ fi
+ ;;
+ *)
+ ;;
+esac
+AC_DEFINE_UNQUOTED([CPU_SPINWAIT], [$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=
+MKLIB='ar crus $@'
+CC_MM=1
+
+dnl Platform-specific settings. abi and RPATH can probably be determined
+dnl programmatically, but doing so is error-prone, which makes it generally
+dnl not worth the trouble.
+dnl
+dnl Define cpp macros in CPPFLAGS, rather than doing AC_DEFINE(macro), since the
+dnl definitions need to be seen before any headers are included, which is a pain
+dnl to make happen otherwise.
+default_munmap="1"
+JEMALLOC_USABLE_SIZE_CONST="const"
+case "${host}" in
+ *-*-darwin*)
+ 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,-dylib_install_name,$(@F)'
+ SOREV="${rev}.${so}"
+ ;;
+ *-*-freebsd*)
+ CFLAGS="$CFLAGS"
+ abi="elf"
+ AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
+ force_lazy_lock="1"
+ ;;
+ *-*-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], [ ])
+ JEMALLOC_USABLE_SIZE_CONST=""
+ 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="$CFLAGS"
+ abi="elf"
+ RPATH='-Wl,-R,$(1)'
+ dnl Solaris needs this for sigwait().
+ CPPFLAGS="$CPPFLAGS -D_POSIX_PTHREAD_SEMANTICS"
+ LIBS="$LIBS -lposix4 -lsocket -lnsl"
+ ;;
+ *-ibm-aix*)
+ if "$LG_SIZEOF_PTR" = "8"; then
+ dnl 64bit AIX
+ LD_PRELOAD_VAR="LDR_PRELOAD64"
+ else
+ dnl 32bit AIX
+ LD_PRELOAD_VAR="LDR_PRELOAD"
+ fi
+ abi="xcoff"
+ ;;
+ *-*-mingw*)
+ abi="pecoff"
+ force_tls="0"
+ RPATH=""
+ so="dll"
+ if test "x$je_cv_msvc" = "xyes" ; then
+ importlib="lib"
+ DSO_LDFLAGS="-LD"
+ EXTRA_LDFLAGS="-link -DEBUG"
+ CTARGET='-Fo$@'
+ LDTARGET='-Fe$@'
+ MKLIB='lib -nologo -out:$@'
+ CC_MM=
+ else
+ importlib="${so}"
+ DSO_LDFLAGS="-shared"
+ fi
+ a="lib"
+ libprefix=""
+ SOREV="${so}"
+ PIC_CFLAGS=""
+ ;;
+ *)
+ AC_MSG_RESULT([Unsupported operating system: ${host}])
+ abi="elf"
+ ;;
+esac
+AC_DEFINE_UNQUOTED([JEMALLOC_USABLE_SIZE_CONST], [$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([CC_MM])
+
+if test "x$abi" != "xpecoff"; then
+ dnl Heap profiling uses the log(3) function.
+ LIBS="$LIBS -lm"
+fi
+
+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"))) 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 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([AR], [ar], [false], [$PATH])
+AC_PATH_PROG([LD], [ld], [false], [$PATH])
+AC_PATH_PROG([AUTOCONF], [autoconf], [false], [$PATH])
+
+public_syms="malloc_conf malloc_message malloc calloc posix_memalign aligned_alloc realloc free malloc_usable_size malloc_stats_print mallctl mallctlnametomib mallctlbymib"
+
+dnl Check for allocator-related functions that should be wrapped.
+AC_CHECK_FUNC([memalign],
+ [AC_DEFINE([JEMALLOC_OVERRIDE_MEMALIGN], [ ])
+ public_syms="${public_syms} memalign"])
+AC_CHECK_FUNC([valloc],
+ [AC_DEFINE([JEMALLOC_OVERRIDE_VALLOC], [ ])
+ public_syms="${public_syms} valloc"])
+
+dnl Support the experimental API by default.
+AC_ARG_ENABLE([experimental],
+ [AS_HELP_STRING([--disable-experimental],
+ [Disable support for the experimental API])],
+[if test "x$enable_experimental" = "xno" ; then
+ enable_experimental="0"
+else
+ enable_experimental="1"
+fi
+],
+[enable_experimental="1"]
+)
+if test "x$enable_experimental" = "x1" ; then
+ AC_DEFINE([JEMALLOC_EXPERIMENTAL], [ ])
+ public_syms="${public_syms} allocm dallocm nallocm rallocm sallocm"
+fi
+AC_SUBST([enable_experimental])
+
+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=""])
+for nm in `echo ${mangling_map} |tr ',' ' '` ; do
+ k="`echo ${nm} |tr ':' ' ' |awk '{print $1}'`"
+ n="je_${k}"
+ m=`echo ${nm} |tr ':' ' ' |awk '{print $2}'`
+ AC_DEFINE_UNQUOTED([${n}], [${m}])
+ dnl Remove key from public_syms so that it isn't redefined later.
+ public_syms=`for sym in ${public_syms}; do echo "${sym}"; done |grep -v "^${k}\$" |tr '\n' ' '`
+done
+
+dnl Do not prefix public APIs by default.
+AC_ARG_WITH([jemalloc_prefix],
+ [AS_HELP_STRING([--with-jemalloc-prefix=<prefix>], [Prefix to prepend to all public APIs])],
+ [JEMALLOC_PREFIX="$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
+dnl Generate macros to rename public symbols. All public symbols are prefixed
+dnl with je_ in the source code, so these macro definitions are needed even if
+dnl --with-jemalloc-prefix wasn't specified.
+for stem in ${public_syms}; do
+ n="je_${stem}"
+ m="${JEMALLOC_PREFIX}${stem}"
+ AC_DEFINE_UNQUOTED([${n}], [${m}])
+done
+
+AC_ARG_WITH([export],
+ [AS_HELP_STRING([--without-export], [disable exporting jemalloc public APIs])],
+ [if test "x$with_export" = "xno"; then
+ AC_DEFINE([JEMALLOC_EXPORT],[])
+fi]
+)
+
+dnl Do not mangle library-private APIs by default.
+AC_ARG_WITH([private_namespace],
+ [AS_HELP_STRING([--with-private-namespace=<prefix>], [Prefix to prepend to all library-private APIs])],
+ [JEMALLOC_PRIVATE_NAMESPACE="$with_private_namespace"],
+ [JEMALLOC_PRIVATE_NAMESPACE=""]
+)
+AC_DEFINE_UNQUOTED([JEMALLOC_PRIVATE_NAMESPACE], ["$JEMALLOC_PRIVATE_NAMESPACE"])
+if test "x$JEMALLOC_PRIVATE_NAMESPACE" != "x" ; then
+ AC_DEFINE_UNQUOTED([JEMALLOC_N(string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix)], [${JEMALLOC_PRIVATE_NAMESPACE}##string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix])
+else
+ AC_DEFINE_UNQUOTED([JEMALLOC_N(string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix)], [string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix])
+fi
+
+dnl Do not add suffix to installed files by default.
+AC_ARG_WITH([install_suffix],
+ [AS_HELP_STRING([--with-install-suffix=<suffix>], [Suffix to append to all installed files])],
+ [INSTALL_SUFFIX="$with_install_suffix"],
+ [INSTALL_SUFFIX=]
+)
+install_suffix="$INSTALL_SUFFIX"
+AC_SUBST([install_suffix])
+
+cfgoutputs_in="${srcroot}Makefile.in"
+cfgoutputs_in="${cfgoutputs_in} ${srcroot}doc/html.xsl.in"
+cfgoutputs_in="${cfgoutputs_in} ${srcroot}doc/manpages.xsl.in"
+cfgoutputs_in="${cfgoutputs_in} ${srcroot}doc/jemalloc.xml.in"
+cfgoutputs_in="${cfgoutputs_in} ${srcroot}include/jemalloc/jemalloc.h.in"
+cfgoutputs_in="${cfgoutputs_in} ${srcroot}include/jemalloc/internal/jemalloc_internal.h.in"
+cfgoutputs_in="${cfgoutputs_in} ${srcroot}test/jemalloc_test.h.in"
+
+cfgoutputs_out="Makefile"
+cfgoutputs_out="${cfgoutputs_out} doc/html.xsl"
+cfgoutputs_out="${cfgoutputs_out} doc/manpages.xsl"
+cfgoutputs_out="${cfgoutputs_out} doc/jemalloc${install_suffix}.xml"
+cfgoutputs_out="${cfgoutputs_out} include/jemalloc/jemalloc${install_suffix}.h"
+cfgoutputs_out="${cfgoutputs_out} include/jemalloc/internal/jemalloc_internal.h"
+cfgoutputs_out="${cfgoutputs_out} test/jemalloc_test.h"
+
+cfgoutputs_tup="Makefile"
+cfgoutputs_tup="${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${install_suffix}.xml:doc/jemalloc.xml.in"
+cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/jemalloc${install_suffix}.h:include/jemalloc/jemalloc.h.in"
+cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/internal/jemalloc_internal.h"
+cfgoutputs_tup="${cfgoutputs_tup} test/jemalloc_test.h:test/jemalloc_test.h.in"
+
+cfghdrs_in="${srcroot}include/jemalloc/jemalloc_defs.h.in"
+cfghdrs_in="${cfghdrs_in} ${srcroot}include/jemalloc/internal/size_classes.sh"
+
+cfghdrs_out="include/jemalloc/jemalloc_defs${install_suffix}.h"
+cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/size_classes.h"
+
+cfghdrs_tup="include/jemalloc/jemalloc_defs${install_suffix}.h:include/jemalloc/jemalloc_defs.h.in"
+
+dnl Do not silence irrelevant compiler warnings by default, since enabling this
+dnl option incurs a performance penalty.
+AC_ARG_ENABLE([cc-silence],
+ [AS_HELP_STRING([--enable-cc-silence],
+ [Silence irrelevant compiler warnings])],
+[if test "x$enable_cc_silence" = "xno" ; then
+ enable_cc_silence="0"
+else
+ enable_cc_silence="1"
+fi
+],
+[enable_cc_silence="0"]
+)
+if test "x$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], [ ])
+ 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 "$EXTRA_CFLAGS" | grep "\-O" >/dev/null || optimize="yes"
+ if test "x${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$LUNWIND" = "x-lunwind" ; then
+ AC_CHECK_LIB([unwind], [backtrace], [LIBS="$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"])
+ dnl The following is conservative, in that it only has entries for CPUs on
+ dnl which jemalloc has been tested.
+ AC_MSG_CHECKING([libgcc-based backtracing reliability on ${host_cpu}])
+ case "${host_cpu}" in
+ i[[3456]]86)
+ AC_MSG_RESULT([unreliable])
+ enable_prof_libgcc="0";
+ ;;
+ x86_64)
+ AC_MSG_RESULT([reliable])
+ ;;
+ *)
+ AC_MSG_RESULT([unreliable])
+ enable_prof_libgcc="0";
+ ;;
+ esac
+ 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$GCC" = "xyes" ; then
+ backtrace_method="gcc intrinsics"
+ AC_DEFINE([JEMALLOC_PROF_GCC], [ ])
+else
+ enable_prof_gcc="0"
+fi
+
+if test "x$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${force_tls}" = "x0" ; then
+ AC_MSG_ERROR([Heap profiling requires TLS]);
+ fi
+ force_tls="1"
+ AC_DEFINE([JEMALLOC_PROF], [ ])
+fi
+AC_SUBST([enable_prof])
+
+dnl Enable thread-specific caching by default.
+AC_ARG_ENABLE([tcache],
+ [AS_HELP_STRING([--disable-tcache], [Disable per thread caches])],
+[if test "x$enable_tcache" = "xno" ; then
+ enable_tcache="0"
+else
+ enable_tcache="1"
+fi
+],
+[enable_tcache="1"]
+)
+if test "x$enable_tcache" = "x1" ; then
+ AC_DEFINE([JEMALLOC_TCACHE], [ ])
+fi
+AC_SUBST([enable_tcache])
+
+dnl Disable mremap() for huge realloc() by default.
+AC_ARG_ENABLE([mremap],
+ [AS_HELP_STRING([--enable-mremap], [Enable mremap(2) for huge realloc()])],
+[if test "x$enable_mremap" = "xno" ; then
+ enable_mremap="0"
+else
+ enable_mremap="1"
+fi
+],
+[enable_mremap="0"]
+)
+if test "x$enable_mremap" = "x1" ; then
+ JE_COMPILABLE([mremap(...MREMAP_FIXED...)], [
+#define _GNU_SOURCE
+#include <sys/mman.h>
+], [
+void *p = mremap((void *)0, 0, 0, MREMAP_MAYMOVE|MREMAP_FIXED, (void *)0);
+], [je_cv_mremap_fixed])
+ if test "x${je_cv_mremap_fixed}" = "xno" ; then
+ enable_mremap="0"
+ fi
+fi
+if test "x$enable_mremap" = "x1" ; then
+ AC_DEFINE([JEMALLOC_MREMAP], [ ])
+fi
+AC_SUBST([enable_mremap])
+
+dnl Enable VM deallocation via munmap() by default.
+AC_ARG_ENABLE([munmap],
+ [AS_HELP_STRING([--disable-munmap], [Disable VM deallocation via munmap(2)])],
+[if test "x$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 Do not enable allocation from DSS by default.
+AC_ARG_ENABLE([dss],
+ [AS_HELP_STRING([--enable-dss], [Enable allocation from DSS])],
+[if test "x$enable_dss" = "xno" ; then
+ enable_dss="0"
+else
+ enable_dss="1"
+fi
+],
+[enable_dss="0"]
+)
+dnl Check whether the BSD/SUSv1 sbrk() exists. If not, disable DSS support.
+AC_CHECK_FUNC([sbrk], [have_sbrk="1"], [have_sbrk="0"])
+if test "x$have_sbrk" = "x1" ; then
+ AC_DEFINE([JEMALLOC_HAVE_SBRK], [ ])
+else
+ enable_dss="0"
+fi
+
+if test "x$enable_dss" = "x1" ; then
+ AC_DEFINE([JEMALLOC_DSS], [ ])
+fi
+AC_SUBST([enable_dss])
+
+dnl Support the junk/zero filling option by default.
+AC_ARG_ENABLE([fill],
+ [AS_HELP_STRING([--disable-fill],
+ [Disable support for junk/zero filling, quarantine, and redzones])],
+[if test "x$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])
+
+AC_CACHE_CHECK([STATIC_PAGE_SHIFT],
+ [je_cv_static_page_shift],
+ 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 = ffsl(result) - 1;
+
+ f = fopen("conftest.out", "w");
+ if (f == NULL) {
+ return 1;
+ }
+ fprintf(f, "%d\n", result);
+ fclose(f);
+
+ return 0;
+]])],
+ [je_cv_static_page_shift=`cat conftest.out`],
+ [je_cv_static_page_shift=undefined]))
+
+if test "x$je_cv_static_page_shift" != "xundefined"; then
+ AC_DEFINE_UNQUOTED([STATIC_PAGE_SHIFT], [$je_cv_static_page_shift])
+else
+ AC_MSG_ERROR([cannot determine value for STATIC_PAGE_SHIFT])
+fi
+
+dnl ============================================================================
+dnl jemalloc configuration.
+dnl
+
+dnl Set VERSION if source directory has an embedded git repository.
+if test -d "${srcroot}.git" ; then
+ git describe --long --abbrev=40 > ${srcroot}VERSION
+fi
+jemalloc_version=`cat ${srcroot}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="$CPPFLAGS -D_REENTRANT"
+
+dnl Check whether the BSD-specific _malloc_thread_cleanup() exists. If so, use
+dnl it rather than pthreads TSD cleanup functions to support cleanup during
+dnl thread exit, in order to avoid pthreads library recursion during
+dnl bootstrapping.
+AC_CHECK_FUNC([_malloc_thread_cleanup],
+ [have__malloc_thread_cleanup="1"],
+ [have__malloc_thread_cleanup="0"]
+ )
+if test "x$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="0"]
+)
+if test "x$enable_lazy_lock" = "x0" -a "x${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="$LIBS -ldl"],
+ [AC_MSG_ERROR([libdl is missing])])
+ ])
+ fi
+ AC_DEFINE([JEMALLOC_LAZY_LOCK], [ ])
+fi
+AC_SUBST([enable_lazy_lock])
+
+AC_ARG_ENABLE([tls],
+ [AS_HELP_STRING([--disable-tls], [Disable thread-local storage (__thread keyword)])],
+if test "x$enable_tls" = "xno" ; then
+ enable_tls="0"
+else
+ enable_tls="1"
+fi
+,
+enable_tls="1"
+)
+if test "x${enable_tls}" = "x0" -a "x${force_tls}" = "x1" ; then
+ AC_MSG_RESULT([Forcing TLS to avoid allocator/threading bootstrap issues])
+ enable_tls="1"
+fi
+if test "x${enable_tls}" = "x1" -a "x${force_tls}" = "x0" ; then
+ AC_MSG_RESULT([Forcing no TLS to avoid allocator/threading bootstrap issues])
+ enable_tls="0"
+fi
+if test "x${enable_tls}" = "x1" ; then
+AC_MSG_CHECKING([for TLS])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+[[
+ __thread int x;
+]], [[
+ x = 42;
+
+ return 0;
+]])],
+ AC_MSG_RESULT([yes]),
+ AC_MSG_RESULT([no])
+ enable_tls="0")
+fi
+AC_SUBST([enable_tls])
+if test "x${enable_tls}" = "x1" ; then
+ AC_DEFINE_UNQUOTED([JEMALLOC_TLS], [ ])
+elif test "x${force_tls}" = "x1" ; then
+ AC_MSG_ERROR([Failed to configure TLS, which is mandatory for correct function])
+fi
+
+dnl ============================================================================
+dnl Check for ffsl(3), and fail if not found. This function exists on all
+dnl platforms that jemalloc currently has a chance of functioning on without
+dnl modification.
+JE_COMPILABLE([a program using ffsl], [
+#include <stdio.h>
+#include <strings.h>
+#include <string.h>
+], [
+ {
+ int rv = ffsl(0x08);
+ printf("%d\n", rv);
+ }
+], [je_cv_function_ffsl])
+if test "x${je_cv_function_ffsl}" != "xyes" ; then
+ AC_MSG_ERROR([Cannot build without ffsl(3)])
+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 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${je_cv_osatomic}" != "xyes" ; then
+ JE_SYNC_COMPARE_AND_SWAP_CHECK(32, 4)
+ JE_SYNC_COMPARE_AND_SWAP_CHECK(64, 8)
+fi
+
+dnl ============================================================================
+dnl Check for spinlock(3) operations as provided on Darwin.
+
+JE_COMPILABLE([Darwin OSSpin*()], [
+#include <libkern/OSAtomic.h>
+#include <inttypes.h>
+], [
+ OSSpinLock lock = 0;
+ OSSpinLockLock(&lock);
+ OSSpinLockUnlock(&lock);
+], [je_cv_osspin])
+if test "x${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_IVSALLOC], [ ])
+ 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 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, [$JEMALLOC_ZONE_VERSION])
+fi
+
+dnl ============================================================================
+dnl Check for typedefs, structures, and compiler characteristics.
+AC_HEADER_STDBOOL
+
+AC_CONFIG_COMMANDS([include/jemalloc/internal/size_classes.h], [
+ mkdir -p "include/jemalloc/internal"
+ "${srcdir}/include/jemalloc/internal/size_classes.sh" > "${objroot}include/jemalloc/internal/size_classes.h"
+])
+
+dnl Process .in files.
+AC_SUBST([cfghdrs_in])
+AC_SUBST([cfghdrs_out])
+AC_CONFIG_HEADERS([$cfghdrs_tup])
+
+dnl ============================================================================
+dnl Generate outputs.
+AC_CONFIG_FILES([$cfgoutputs_tup config.stamp bin/jemalloc.sh])
+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([CC : ${CC}])
+AC_MSG_RESULT([CPPFLAGS : ${CPPFLAGS}])
+AC_MSG_RESULT([CFLAGS : ${CFLAGS}])
+AC_MSG_RESULT([LDFLAGS : ${LDFLAGS}])
+AC_MSG_RESULT([LIBS : ${LIBS}])
+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([INCLUDEDIR : ${INCLUDEDIR}])
+AC_MSG_RESULT([LIBDIR : ${LIBDIR}])
+AC_MSG_RESULT([DATADIR : ${DATADIR}])
+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([autogen : ${enable_autogen}])
+AC_MSG_RESULT([experimental : ${enable_experimental}])
+AC_MSG_RESULT([cc-silence : ${enable_cc_silence}])
+AC_MSG_RESULT([debug : ${enable_debug}])
+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([mremap : ${enable_mremap}])
+AC_MSG_RESULT([munmap : ${enable_munmap}])
+AC_MSG_RESULT([dss : ${enable_dss}])
+AC_MSG_RESULT([lazy_lock : ${enable_lazy_lock}])
+AC_MSG_RESULT([tls : ${enable_tls}])
+AC_MSG_RESULT([===============================================================================])