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server-skynet-source-3rd-je.../configure.ac
Jason Evans 4162627757 Remove the swap feature. 
Remove the swap feature, which enabled per application swap files.  In
practice this feature has not proven itself useful to users.
2012-02-13 10:56:17 -08:00

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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} $1"
fi
AC_RUN_IFELSE([AC_LANG_PROGRAM(
[[
]], [[
return 0;
]])],
AC_MSG_RESULT([yes]),
AC_MSG_RESULT([no])
[CFLAGS="${TCFLAGS}"]
)
])
dnl JE_COMPILABLE(label, hcode, mcode, rvar)
AC_DEFUN([JE_COMPILABLE],
[
AC_MSG_CHECKING([whether $1 is compilable])
AC_RUN_IFELSE([AC_LANG_PROGRAM(
[$2], [$3])],
AC_MSG_RESULT([yes])
[$4="yes"],
AC_MSG_RESULT([no])
[$4="no"]
)
])
dnl ============================================================================
dnl Library revision.
rev=1
AC_SUBST([rev])
srcroot=$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 $MANDIR`
AC_SUBST([MANDIR])
dnl Support for building documentation.
AC_PATH_PROG([XSLTPROC], [xsltproc], , [$PATH])
AC_ARG_WITH([xslroot],
[AS_HELP_STRING([--with-xslroot=<path>], [XSL stylesheet root path])],
if test "x$with_xslroot" = "xno" ; then
XSLROOT="/usr/share/xml/docbook/stylesheet/docbook-xsl"
else
XSLROOT="${with_xslroot}"
fi,
XSLROOT="/usr/share/xml/docbook/stylesheet/docbook-xsl"
)
AC_SUBST([XSLROOT])
dnl If CFLAGS isn't defined, set CFLAGS to something reasonable. Otherwise,
dnl just prevent autoconf from molesting CFLAGS.
CFLAGS=$CFLAGS
AC_PROG_CC
if test "x$CFLAGS" = "x" ; then
no_CFLAGS="yes"
if test "x$GCC" = "xyes" ; then
JE_CFLAGS_APPEND([-std=gnu99])
JE_CFLAGS_APPEND([-Wall])
JE_CFLAGS_APPEND([-pipe])
JE_CFLAGS_APPEND([-g3])
fi
fi
dnl Append EXTRA_CFLAGS to CFLAGS, if defined.
if test "x$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_CANONICAL_HOST
dnl CPU-specific settings.
CPU_SPINWAIT=""
case "${host_cpu}" in
i[[345]]86)
;;
i686)
JE_COMPILABLE([__asm__], [], [[__asm__ volatile("pause"); return 0;]],
[asm])
if test "x${asm}" = "xyes" ; then
CPU_SPINWAIT='__asm__ volatile("pause")'
fi
;;
x86_64)
JE_COMPILABLE([__asm__ syntax], [],
[[__asm__ volatile("pause"); return 0;]], [asm])
if test "x${asm}" = "xyes" ; then
CPU_SPINWAIT='__asm__ volatile("pause")'
fi
;;
*)
;;
esac
AC_DEFINE_UNQUOTED([CPU_SPINWAIT], [$CPU_SPINWAIT])
LD_PRELOAD_VAR="LD_PRELOAD"
so="so"
dnl Heap profiling uses the log(3) function.
LIBS="$LIBS -lm"
dnl Platform-specific settings. abi and RPATH can probably be determined
dnl programmatically, but doing so is error-prone, which makes it generally
dnl not worth the trouble.
dnl
dnl Define cpp macros in CPPFLAGS, rather than doing AC_DEFINE(macro), since the
dnl definitions need to be seen before any headers are included, which is a pain
dnl to make happen otherwise.
case "${host}" in
*-*-darwin*)
CFLAGS="$CFLAGS -fno-common -no-cpp-precomp"
abi="macho"
AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE])
RPATH=""
LD_PRELOAD_VAR="DYLD_INSERT_LIBRARIES"
so="dylib"
;;
*-*-freebsd*)
CFLAGS="$CFLAGS"
abi="elf"
AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE])
RPATH="-Wl,-rpath,"
;;
*-*-linux*)
CFLAGS="$CFLAGS"
CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
abi="elf"
AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED])
RPATH="-Wl,-rpath,"
;;
*-*-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])
RPATH="-Wl,-rpath,"
;;
*-*-solaris2*)
CFLAGS="$CFLAGS"
abi="elf"
RPATH="-Wl,-R,"
dnl Solaris needs this for sigwait().
CPPFLAGS="$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"
RPATH="-Wl,-rpath,"
;;
*)
AC_MSG_RESULT([Unsupported operating system: ${host}])
abi="elf"
RPATH="-Wl,-rpath,"
;;
esac
AC_SUBST([abi])
AC_SUBST([RPATH])
AC_SUBST([LD_PRELOAD_VAR])
AC_SUBST([so])
JE_COMPILABLE([__attribute__ syntax],
[static __attribute__((unused)) void foo(void){}],
[],
[attribute])
if test "x${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
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);
], [mremap_fixed])
if test "x${mremap_fixed}" = "xyes" ; then
AC_DEFINE([JEMALLOC_MREMAP_FIXED])
fi
dnl Support optional additions to rpath.
AC_ARG_WITH([rpath],
[AS_HELP_STRING([--with-rpath=<rpath>], [Colon-separated rpath (ELF systems only)])],
if test "x$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], , [$PATH])
AC_PATH_PROG([LD], [ld], , [$PATH])
AC_PATH_PROG([AUTOCONF], [autoconf], , [$PATH])
dnl Do not prefix public APIs by default.
AC_ARG_WITH([jemalloc_prefix],
[AS_HELP_STRING([--with-jemalloc-prefix=<prefix>], [Prefix to prepend to all public APIs])],
[JEMALLOC_PREFIX="$with_jemalloc_prefix"],
[if test "x$abi" != "xmacho" ; then
JEMALLOC_PREFIX=""
else
JEMALLOC_PREFIX="je_"
fi]
)
if test "x$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], ["$JEMALLOC_CPREFIX"])
AC_DEFINE_UNQUOTED([JEMALLOC_P(string_that_no_one_should_want_to_use_as_a_jemalloc_API_prefix)], [${JEMALLOC_PREFIX}##string_that_no_one_should_want_to_use_as_a_jemalloc_API_prefix])
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_out="include/jemalloc/jemalloc_defs${install_suffix}.h"
cfghdrs_tup="include/jemalloc/jemalloc_defs${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])],
[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], [ ])
AC_DEFINE([JEMALLOC_IVSALLOC], [ ])
fi
AC_SUBST([enable_debug])
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$GCC" = "xyes" ; then
JE_CFLAGS_APPEND([-O3])
JE_CFLAGS_APPEND([-funroll-loops])
else
JE_CFLAGS_APPEND([-O])
fi
fi
fi
dnl Do not enable statistics calculation by default.
AC_ARG_ENABLE([stats],
[AS_HELP_STRING([--enable-stats], [Enable statistics calculation/reporting])],
[if test "x$enable_stats" = "xno" ; then
enable_stats="0"
else
enable_stats="1"
fi
],
[enable_stats="0"]
)
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
AC_DEFINE([JEMALLOC_PROF], [ ])
fi
AC_SUBST([enable_prof])
dnl Enable tiny allocations by default.
AC_ARG_ENABLE([tiny],
[AS_HELP_STRING([--disable-tiny], [Disable tiny (sub-quantum) allocations])],
[if test "x$enable_tiny" = "xno" ; then
enable_tiny="0"
else
enable_tiny="1"
fi
],
[enable_tiny="1"]
)
if test "x$enable_tiny" = "x1" ; then
AC_DEFINE([JEMALLOC_TINY], [ ])
fi
AC_SUBST([enable_tiny])
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 Do not enable allocation from DSS by default.
AC_ARG_ENABLE([dss],
[AS_HELP_STRING([--enable-dss], [Enable allocation from DSS])],
[if test "x$enable_dss" = "xno" ; then
enable_dss="0"
else
enable_dss="1"
fi
],
[enable_dss="0"]
)
if test "x$enable_dss" = "x1" ; then
AC_DEFINE([JEMALLOC_DSS], [ ])
fi
AC_SUBST([enable_dss])
dnl Do not support the junk/zero filling option by default.
AC_ARG_ENABLE([fill],
[AS_HELP_STRING([--enable-fill], [Support junk/zero filling option])],
[if test "x$enable_fill" = "xno" ; then
enable_fill="0"
else
enable_fill="1"
fi
],
[enable_fill="0"]
)
if test "x$enable_fill" = "x1" ; then
AC_DEFINE([JEMALLOC_FILL], [ ])
fi
AC_SUBST([enable_fill])
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 Do not support the SYSV option by default.
AC_ARG_ENABLE([sysv],
[AS_HELP_STRING([--enable-sysv], [Support SYSV semantics option])],
[if test "x$enable_sysv" = "xno" ; then
enable_sysv="0"
else
enable_sysv="1"
fi
],
[enable_sysv="0"]
)
if test "x$enable_sysv" = "x1" ; then
AC_DEFINE([JEMALLOC_SYSV], [ ])
fi
AC_SUBST([enable_sysv])
dnl Do not determine page shift at run time by default.
AC_ARG_ENABLE([dynamic_page_shift],
[AS_HELP_STRING([--enable-dynamic-page-shift],
[Determine page size at run time (don't trust configure result)])],
[if test "x$enable_dynamic_page_shift" = "xno" ; then
enable_dynamic_page_shift="0"
else
enable_dynamic_page_shift="1"
fi
],
[enable_dynamic_page_shift="0"]
)
if test "x$enable_dynamic_page_shift" = "x1" ; then
AC_DEFINE([DYNAMIC_PAGE_SHIFT], [ ])
fi
AC_SUBST([enable_dynamic_page_shift])
AC_MSG_CHECKING([STATIC_PAGE_SHIFT])
AC_RUN_IFELSE([AC_LANG_PROGRAM(
[[#include <stdio.h>
#include <unistd.h>
#include <strings.h>
]], [[
long result;
FILE *f;
result = sysconf(_SC_PAGESIZE);
if (result == -1) {
return 1;
}
f = fopen("conftest.out", "w");
if (f == NULL) {
return 1;
}
fprintf(f, "%u\n", ffs((int)result) - 1);
close(f);
return 0;
]])],
[STATIC_PAGE_SHIFT=`cat conftest.out`]
AC_MSG_RESULT([$STATIC_PAGE_SHIFT])
AC_DEFINE_UNQUOTED([STATIC_PAGE_SHIFT], [$STATIC_PAGE_SHIFT]),
AC_MSG_RESULT([error]))
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.
AC_CHECK_HEADERS([pthread.h], , [AC_MSG_ERROR([pthread.h is missing])])
AC_CHECK_LIB([pthread], [pthread_create], [LIBS="$LIBS -lpthread"],
[AC_MSG_ERROR([libpthread is missing])])
CPPFLAGS="$CPPFLAGS -D_REENTRANT"
dnl Enable lazy locking by default.
AC_ARG_ENABLE([lazy_lock],
[AS_HELP_STRING([--disable-lazy-lock],
[Disable lazy locking (always lock, even when single-threaded)])],
[if test "x$enable_lazy_lock" = "xno" ; then
enable_lazy_lock="0"
else
enable_lazy_lock="1"
fi
],
[enable_lazy_lock="1"]
)
if test "x$enable_lazy_lock" = "x1" ; then
AC_CHECK_HEADERS([dlfcn.h], , [AC_MSG_ERROR([dlfcn.h is missing])])
AC_CHECK_LIB([dl], [dlopen], [LIBS="$LIBS -ldl"],
[AC_MSG_ERROR([libdl is missing])])
AC_DEFINE([JEMALLOC_LAZY_LOCK], [ ])
fi
AC_SUBST([enable_lazy_lock])
AC_ARG_ENABLE([tls],
[AS_HELP_STRING([--disable-tls], [Disable thread-local storage (__thread keyword)])],
if test "x$enable_tls" = "xno" ; then
enable_tls="0"
else
enable_tls="1"
fi
,
enable_tls="1"
)
if test "x${enable_tls}" = "x1" ; then
AC_MSG_CHECKING([for TLS])
AC_RUN_IFELSE([AC_LANG_PROGRAM(
[[
__thread int x;
]], [[
x = 42;
return 0;
]])],
AC_MSG_RESULT([yes]),
AC_MSG_RESULT([no])
enable_tls="0")
fi
AC_SUBST([enable_tls])
if test "x${enable_tls}" = "x0" ; then
AC_DEFINE_UNQUOTED([NO_TLS], [ ])
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.
AC_CHECK_FUNC([ffsl], [],
[AC_MSG_ERROR([Cannot build without ffsl(3)])])
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);
}
], [osatomic])
if test "x${osatomic}" = "xyes" ; then
AC_DEFINE([JEMALLOC_OSATOMIC])
fi
dnl ============================================================================
dnl Check for spinlock(3) operations as provided on Darwin.
JE_COMPILABLE([Darwin OSSpin*()], [
#include <libkern/OSAtomic.h>
#include <inttypes.h>
], [
OSSpinLock lock = 0;
OSSpinLockLock(&lock);
OSSpinLockUnlock(&lock);
], [osspin])
if test "x${osspin}" = "xyes" ; then
AC_DEFINE([JEMALLOC_OSSPIN])
fi
dnl ============================================================================
dnl Check for allocator-related functions that should be wrapped.
AC_CHECK_FUNC([memalign],
[AC_DEFINE([JEMALLOC_OVERRIDE_MEMALIGN])])
AC_CHECK_FUNC([valloc],
[AC_DEFINE([JEMALLOC_OVERRIDE_VALLOC])])
dnl ============================================================================
dnl Darwin-related configuration.
if test "x${abi}" = "xmacho" ; then
AC_DEFINE([JEMALLOC_IVSALLOC])
AC_DEFINE([JEMALLOC_ZONE])
dnl The szone version jumped from 3 to 6 between the OS X 10.5.x and 10.6
dnl releases. malloc_zone_t and malloc_introspection_t have new fields in
dnl 10.6, which is the only source-level indication of the change.
AC_MSG_CHECKING([malloc zone version])
AC_TRY_COMPILE([#include <stdlib.h>
#include <malloc/malloc.h>], [
static malloc_zone_t zone;
static struct malloc_introspection_t zone_introspect;
zone.size = NULL;
zone.malloc = NULL;
zone.calloc = NULL;
zone.valloc = NULL;
zone.free = NULL;
zone.realloc = NULL;
zone.destroy = NULL;
zone.zone_name = "jemalloc_zone";
zone.batch_malloc = NULL;
zone.batch_free = NULL;
zone.introspect = &zone_introspect;
zone.version = 6;
zone.memalign = NULL;
zone.free_definite_size = NULL;
zone_introspect.enumerator = NULL;
zone_introspect.good_size = NULL;
zone_introspect.check = NULL;
zone_introspect.print = NULL;
zone_introspect.log = NULL;
zone_introspect.force_lock = NULL;
zone_introspect.force_unlock = NULL;
zone_introspect.statistics = NULL;
zone_introspect.zone_locked = NULL;
], [AC_DEFINE_UNQUOTED([JEMALLOC_ZONE_VERSION], [6])
AC_MSG_RESULT([6])],
[AC_DEFINE_UNQUOTED([JEMALLOC_ZONE_VERSION], [3])
AC_MSG_RESULT([3])])
fi
dnl ============================================================================
dnl Check for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL
dnl Process .in files.
AC_SUBST([cfghdrs_in])
AC_SUBST([cfghdrs_out])
AC_CONFIG_HEADERS([$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([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([tiny : ${enable_tiny}])
AC_MSG_RESULT([tcache : ${enable_tcache}])
AC_MSG_RESULT([fill : ${enable_fill}])
AC_MSG_RESULT([xmalloc : ${enable_xmalloc}])
AC_MSG_RESULT([sysv : ${enable_sysv}])
AC_MSG_RESULT([dss : ${enable_dss}])
AC_MSG_RESULT([dynamic_page_shift : ${enable_dynamic_page_shift}])
AC_MSG_RESULT([lazy_lock : ${enable_lazy_lock}])
AC_MSG_RESULT([tls : ${enable_tls}])
AC_MSG_RESULT([===============================================================================])
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