else
CFLAGS="${CFLAGS} $1"
fi
-AC_RUN_IFELSE([AC_LANG_PROGRAM(
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[
]], [[
return 0;
])
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_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"]
-)
+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${srcroot}" = "x." ; then
srcroot=""
dnl Support for building documentation.
AC_PATH_PROG([XSLTPROC], [xsltproc], , [$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])],
+ [AS_HELP_STRING([--with-xslroot=<path>], [XSL stylesheet root path])], [
if test "x$with_xslroot" = "xno" ; then
- XSLROOT="/usr/share/xml/docbook/stylesheet/docbook-xsl"
+ XSLROOT="${DEFAULT_XSLROOT}"
else
XSLROOT="${with_xslroot}"
-fi,
- XSLROOT="/usr/share/xml/docbook/stylesheet/docbook-xsl"
+fi
+],
+ XSLROOT="${DEFAULT_XSLROOT}"
)
AC_SUBST([XSLROOT])
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([-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.
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=""
;;
i686)
JE_COMPILABLE([__asm__], [], [[__asm__ volatile("pause"); return 0;]],
- [asm])
- if test "x${asm}" = "xyes" ; then
+ [je_cv_asm])
+ if test "x${je_cv_asm}" = "xyes" ; then
CPU_SPINWAIT='__asm__ volatile("pause")'
fi
;;
x86_64)
JE_COMPILABLE([__asm__ syntax], [],
- [[__asm__ volatile("pause"); return 0;]], [asm])
- if test "x${asm}" = "xyes" ; then
+ [[__asm__ volatile("pause"); return 0;]], [je_cv_asm])
+ if test "x${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 $@'
+CC_MM=1
+
dnl Platform-specific settings. abi and RPATH can probably be determined
dnl programmatically, but doing so is error-prone, which makes it generally
dnl not worth the trouble.
dnl Define cpp macros in CPPFLAGS, rather than doing AC_DEFINE(macro), since the
dnl definitions need to be seen before any headers are included, which is a pain
dnl to make happen otherwise.
+default_munmap="1"
case "${host}" in
*-*-darwin*)
- CFLAGS="$CFLAGS -fno-common -no-cpp-precomp"
+ CFLAGS="$CFLAGS"
abi="macho"
- AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE])
+ 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="$CFLAGS"
abi="elf"
- AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE])
- RPATH="-Wl,-rpath,"
+ AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
+ force_lazy_lock="1"
;;
*-*-linux*)
CFLAGS="$CFLAGS"
CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
abi="elf"
- AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED])
- RPATH="-Wl,-rpath,"
+ AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED], [ ])
+ AC_DEFINE([JEMALLOC_THREADED_INIT], [ ])
+ default_munmap="0"
;;
*-*-netbsd*)
AC_MSG_CHECKING([ABI])
[CFLAGS="$CFLAGS"; abi="elf"],
[abi="aout"])
AC_MSG_RESULT([$abi])
- AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE])
- RPATH="-Wl,-rpath,"
+ AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
;;
*-*-solaris2*)
CFLAGS="$CFLAGS"
abi="elf"
- RPATH="-Wl,-R,"
+ 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: ${host}])
abi="elf"
- RPATH="-Wl,-rpath,"
;;
esac
AC_SUBST([abi])
AC_SUBST([RPATH])
+AC_SUBST([LD_PRELOAD_VAR])
+AC_SUBST([so])
+AC_SUBST([importlib])
+AC_SUBST([o])
+AC_SUBST([a])
+AC_SUBST([exe])
+AC_SUBST([libprefix])
+AC_SUBST([DSO_LDFLAGS])
+AC_SUBST([EXTRA_LDFLAGS])
+AC_SUBST([SOREV])
+AC_SUBST([PIC_CFLAGS])
+AC_SUBST([CTARGET])
+AC_SUBST([LDTARGET])
+AC_SUBST([MKLIB])
+AC_SUBST([CC_MM])
+
+if test "x$abi" != "xpecoff"; then
+ dnl Heap profiling uses the log(3) function.
+ LIBS="$LIBS -lm"
+fi
JE_COMPILABLE([__attribute__ syntax],
[static __attribute__((unused)) void foo(void){}],
[],
- [attribute])
-if test "x${attribute}" = "xyes" ; then
+ [je_cv_attribute])
+if test "x${je_cv_attribute}" = "xyes" ; then
AC_DEFINE([JEMALLOC_HAVE_ATTR], [ ])
if test "x${GCC}" = "xyes" -a "x${abi}" = "xelf"; then
JE_CFLAGS_APPEND([-fvisibility=hidden])
fi
fi
-
-JE_COMPILABLE([mremap(...MREMAP_FIXED...)], [
-#define _GNU_SOURCE
-#include <sys/mman.h>
-], [
-void *p = mremap((void *)0, 0, 0, MREMAP_MAYMOVE|MREMAP_FIXED, (void *)0);
-], [mremap_fixed])
-if test "x${mremap_fixed}" = "xyes" ; then
- AC_DEFINE([JEMALLOC_MREMAP_FIXED])
+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${je_cv_tls_model}" = "xyes" ; then
+ AC_DEFINE([JEMALLOC_TLS_MODEL],
+ [__attribute__((tls_model("initial-exec")))])
+else
+ AC_DEFINE([JEMALLOC_TLS_MODEL], [ ])
fi
dnl Support optional additions to rpath.
AC_PATH_PROG([LD], [ld], , [$PATH])
AC_PATH_PROG([AUTOCONF], [autoconf], , [$PATH])
+public_syms="malloc_conf malloc_message malloc calloc posix_memalign aligned_alloc realloc free malloc_usable_size malloc_stats_print mallctl mallctlnametomib mallctlbymib"
+
+dnl Check for allocator-related functions that should be wrapped.
+AC_CHECK_FUNC([memalign],
+ [AC_DEFINE([JEMALLOC_OVERRIDE_MEMALIGN], [ ])
+ public_syms="${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$abi" != "xmacho" ; then
+ [if test "x$abi" != "xmacho" -a "x$abi" != "xpecoff"; then
JEMALLOC_PREFIX=""
else
JEMALLOC_PREFIX="je_"
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 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
dnl Do not mangle library-private APIs by default.
AC_ARG_WITH([private_namespace],
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"
[enable_cc_silence="0"]
)
if test "x$enable_cc_silence" = "x1" ; then
- AC_DEFINE([JEMALLOC_CC_SILENCE])
+ AC_DEFINE([JEMALLOC_CC_SILENCE], [ ])
fi
dnl Do not compile with debugging by default.
if test "x$GCC" = "xyes" ; then
JE_CFLAGS_APPEND([-O3])
JE_CFLAGS_APPEND([-funroll-loops])
+ elif test "x$je_cv_msvc" = "xyes" ; then
+ JE_CFLAGS_APPEND([-O2])
else
JE_CFLAGS_APPEND([-O])
fi
fi
fi
-dnl Do not enable statistics calculation by default.
+dnl Enable statistics calculation by default.
AC_ARG_ENABLE([stats],
- [AS_HELP_STRING([--enable-stats], [Enable statistics calculation/reporting])],
+ [AS_HELP_STRING([--disable-stats],
+ [Disable statistics calculation/reporting])],
[if test "x$enable_stats" = "xno" ; then
enable_stats="0"
else
enable_stats="1"
fi
],
-[enable_stats="0"]
+[enable_stats="1"]
)
if test "x$enable_stats" = "x1" ; then
AC_DEFINE([JEMALLOC_STATS], [ ])
AC_MSG_CHECKING([configured backtracing method])
AC_MSG_RESULT([$backtrace_method])
if test "x$enable_prof" = "x1" ; then
- LIBS="$LIBS -lm"
+ if test "x${force_tls}" = "x0" ; then
+ AC_MSG_ERROR([Heap profiling requires TLS]);
+ fi
+ force_tls="1"
AC_DEFINE([JEMALLOC_PROF], [ ])
fi
AC_SUBST([enable_prof])
-dnl Enable tiny allocations by default.
-AC_ARG_ENABLE([tiny],
- [AS_HELP_STRING([--disable-tiny], [Disable tiny (sub-quantum) allocations])],
-[if test "x$enable_tiny" = "xno" ; then
- enable_tiny="0"
-else
- enable_tiny="1"
-fi
-],
-[enable_tiny="1"]
-)
-if test "x$enable_tiny" = "x1" ; then
- AC_DEFINE([JEMALLOC_TINY], [ ])
-fi
-AC_SUBST([enable_tiny])
-
dnl Enable thread-specific caching by default.
AC_ARG_ENABLE([tcache],
[AS_HELP_STRING([--disable-tcache], [Disable per thread caches])],
fi
AC_SUBST([enable_tcache])
-dnl Do not enable mmap()ped swap files by default.
-AC_ARG_ENABLE([swap],
- [AS_HELP_STRING([--enable-swap], [Enable mmap()ped swap files])],
-[if test "x$enable_swap" = "xno" ; then
- enable_swap="0"
+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$enable_mremap" = "xno" ; then
+ enable_mremap="0"
else
- enable_swap="1"
+ enable_mremap="1"
fi
],
-[enable_swap="0"]
+[enable_mremap="0"]
)
-if test "x$enable_swap" = "x1" ; then
- AC_DEFINE([JEMALLOC_SWAP], [ ])
+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$enable_mremap" = "x1" ; then
+ AC_DEFINE([JEMALLOC_MREMAP], [ ])
fi
-AC_SUBST([enable_swap])
+AC_SUBST([enable_mremap])
+
+dnl Enable VM deallocation via munmap() by default.
+AC_ARG_ENABLE([munmap],
+ [AS_HELP_STRING([--disable-munmap], [Disable VM deallocation via munmap(2)])],
+[if test "x$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],
],
[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 Do not support the junk/zero filling option by default.
+dnl Support the junk/zero filling option by default.
AC_ARG_ENABLE([fill],
- [AS_HELP_STRING([--enable-fill], [Support junk/zero filling option])],
+ [AS_HELP_STRING([--disable-fill],
+ [Disable support for junk/zero filling, quarantine, and redzones])],
[if test "x$enable_fill" = "xno" ; then
enable_fill="0"
else
enable_fill="1"
fi
],
-[enable_fill="0"]
+[enable_fill="1"]
)
if test "x$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$enable_xmalloc" = "xno" ; then
- enable_xmalloc="0"
+dnl Disable utrace(2)-based tracing by default.
+AC_ARG_ENABLE([utrace],
+ [AS_HELP_STRING([--enable-utrace], [Enable utrace(2)-based tracing])],
+[if test "x$enable_utrace" = "xno" ; then
+ enable_utrace="0"
else
- enable_xmalloc="1"
+ enable_utrace="1"
fi
],
-[enable_xmalloc="0"]
+[enable_utrace="0"]
)
-if test "x$enable_xmalloc" = "x1" ; then
- AC_DEFINE([JEMALLOC_XMALLOC], [ ])
+JE_COMPILABLE([utrace(2)], [
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/time.h>
+#include <sys/uio.h>
+#include <sys/ktrace.h>
+], [
+ utrace((void *)0, 0);
+], [je_cv_utrace])
+if test "x${je_cv_utrace}" = "xno" ; then
+ enable_utrace="0"
fi
-AC_SUBST([enable_xmalloc])
+if test "x$enable_utrace" = "x1" ; then
+ AC_DEFINE([JEMALLOC_UTRACE], [ ])
+fi
+AC_SUBST([enable_utrace])
-dnl Do not support the SYSV option by default.
-AC_ARG_ENABLE([sysv],
- [AS_HELP_STRING([--enable-sysv], [Support SYSV semantics option])],
-[if test "x$enable_sysv" = "xno" ; then
- enable_sysv="0"
+dnl Support Valgrind by default.
+AC_ARG_ENABLE([valgrind],
+ [AS_HELP_STRING([--disable-valgrind], [Disable support for Valgrind])],
+[if test "x$enable_valgrind" = "xno" ; then
+ enable_valgrind="0"
else
- enable_sysv="1"
+ enable_valgrind="1"
fi
],
-[enable_sysv="0"]
+[enable_valgrind="1"]
)
-if test "x$enable_sysv" = "x1" ; then
- AC_DEFINE([JEMALLOC_SYSV], [ ])
+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$enable_valgrind" = "x1" ; then
+ AC_DEFINE([JEMALLOC_VALGRIND], [ ])
+ fi
fi
-AC_SUBST([enable_sysv])
+AC_SUBST([enable_valgrind])
-dnl Do not determine page shift at run time by default.
-AC_ARG_ENABLE([dynamic_page_shift],
- [AS_HELP_STRING([--enable-dynamic-page-shift],
- [Determine page size at run time (don't trust configure result)])],
-[if test "x$enable_dynamic_page_shift" = "xno" ; then
- enable_dynamic_page_shift="0"
+dnl Do not support the xmalloc option by default.
+AC_ARG_ENABLE([xmalloc],
+ [AS_HELP_STRING([--enable-xmalloc], [Support xmalloc option])],
+[if test "x$enable_xmalloc" = "xno" ; then
+ enable_xmalloc="0"
else
- enable_dynamic_page_shift="1"
+ enable_xmalloc="1"
fi
],
-[enable_dynamic_page_shift="0"]
+[enable_xmalloc="0"]
)
-if test "x$enable_dynamic_page_shift" = "x1" ; then
- AC_DEFINE([DYNAMIC_PAGE_SHIFT], [ ])
+if test "x$enable_xmalloc" = "x1" ; then
+ AC_DEFINE([JEMALLOC_XMALLOC], [ ])
fi
-AC_SUBST([enable_dynamic_page_shift])
+AC_SUBST([enable_xmalloc])
-AC_MSG_CHECKING([STATIC_PAGE_SHIFT])
-AC_RUN_IFELSE([AC_LANG_PROGRAM(
-[[#include <stdio.h>
-#include <unistd.h>
+AC_CACHE_CHECK([STATIC_PAGE_SHIFT],
+ [je_cv_static_page_shift],
+ AC_RUN_IFELSE([AC_LANG_PROGRAM(
+[[
#include <strings.h>
-]], [[
+#ifdef _WIN32
+#include <windows.h>
+#else
+#include <unistd.h>
+#endif
+#include <stdio.h>
+]],
+[[
long result;
FILE *f;
+#ifdef _WIN32
+ SYSTEM_INFO si;
+ GetSystemInfo(&si);
+ result = si.dwPageSize;
+#else
result = sysconf(_SC_PAGESIZE);
+#endif
if (result == -1) {
return 1;
}
+ result = ffsl(result) - 1;
+
f = fopen("conftest.out", "w");
if (f == NULL) {
return 1;
}
- fprintf(f, "%u\n", ffs((int)result) - 1);
- close(f);
+ fprintf(f, "%u\n", result);
+ fclose(f);
return 0;
]])],
- [STATIC_PAGE_SHIFT=`cat conftest.out`]
- AC_MSG_RESULT([$STATIC_PAGE_SHIFT])
- AC_DEFINE_UNQUOTED([STATIC_PAGE_SHIFT], [$STATIC_PAGE_SHIFT]),
- AC_MSG_RESULT([error]))
+ [je_cv_static_page_shift=`cat conftest.out`],
+ [je_cv_static_page_shift=undefined]))
+
+if test "x$je_cv_static_page_shift" != "xundefined"; then
+ AC_DEFINE_UNQUOTED([STATIC_PAGE_SHIFT], [$je_cv_static_page_shift])
+else
+ AC_MSG_ERROR([cannot determine value for STATIC_PAGE_SHIFT])
+fi
dnl ============================================================================
dnl jemalloc configuration.
dnl ============================================================================
dnl Configure pthreads.
-AC_CHECK_HEADERS([pthread.h], , [AC_MSG_ERROR([pthread.h is missing])])
-AC_CHECK_LIB([pthread], [pthread_create], [LIBS="$LIBS -lpthread"],
- [AC_MSG_ERROR([libpthread is missing])])
+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="$CPPFLAGS -D_REENTRANT"
-dnl Enable lazy locking by default.
+dnl Check whether the BSD-specific _malloc_thread_cleanup() exists. If so, use
+dnl it rather than pthreads TSD cleanup functions to support cleanup during
+dnl thread exit, in order to avoid pthreads library recursion during
+dnl bootstrapping.
+AC_CHECK_FUNC([_malloc_thread_cleanup],
+ [have__malloc_thread_cleanup="1"],
+ [have__malloc_thread_cleanup="0"]
+ )
+if test "x$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$have__pthread_mutex_init_calloc_cb" = "x1" ; then
+ AC_DEFINE([JEMALLOC_MUTEX_INIT_CB])
+fi
+
+dnl Disable lazy locking by default.
AC_ARG_ENABLE([lazy_lock],
- [AS_HELP_STRING([--disable-lazy-lock],
- [Disable lazy locking (always lock, even when single-threaded)])],
+ [AS_HELP_STRING([--enable-lazy-lock],
+ [Enable lazy locking (only lock when multi-threaded)])],
[if test "x$enable_lazy_lock" = "xno" ; then
enable_lazy_lock="0"
else
enable_lazy_lock="1"
fi
],
-[enable_lazy_lock="1"]
+[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$enable_lazy_lock" = "x1" ; then
- AC_CHECK_HEADERS([dlfcn.h], , [AC_MSG_ERROR([dlfcn.h is missing])])
- AC_CHECK_LIB([dl], [dlopen], [LIBS="$LIBS -ldl"],
- [AC_MSG_ERROR([libdl is missing])])
+ 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])
,
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${enable_tls}" = "x1" ; then
AC_MSG_CHECKING([for TLS])
-AC_RUN_IFELSE([AC_LANG_PROGRAM(
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[
__thread int x;
]], [[
enable_tls="0")
fi
AC_SUBST([enable_tls])
-if test "x${enable_tls}" = "x0" ; then
- AC_DEFINE_UNQUOTED([NO_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 <strings.h>
+#include <string.h>
+], [
+ {
+ int rv = ffsl(0x08);
+ }
+], [je_cv_function_ffsl])
+if test "x${je_cv_function_ffsl}" != "xyes" ; then
+ AC_MSG_ERROR([Cannot build without ffsl(3)])
+fi
-AC_CHECK_FUNC([ffsl], [],
- [AC_MSG_ERROR([Cannot build without ffsl(3)])])
+dnl ============================================================================
+dnl Check for atomic(9) operations as provided on FreeBSD.
+
+JE_COMPILABLE([atomic(9)], [
+#include <sys/types.h>
+#include <machine/atomic.h>
+#include <inttypes.h>
+], [
+ {
+ uint32_t x32 = 0;
+ volatile uint32_t *x32p = &x32;
+ atomic_fetchadd_32(x32p, 1);
+ }
+ {
+ unsigned long xlong = 0;
+ volatile unsigned long *xlongp = &xlong;
+ atomic_fetchadd_long(xlongp, 1);
+ }
+], [je_cv_atomic9])
+if test "x${je_cv_atomic9}" = "xyes" ; then
+ AC_DEFINE([JEMALLOC_ATOMIC9])
+fi
dnl ============================================================================
dnl Check for atomic(3) operations as provided on Darwin.
volatile int64_t *x64p = &x64;
OSAtomicAdd64(1, x64p);
}
-], [osatomic])
-if test "x${osatomic}" = "xyes" ; then
- AC_DEFINE([JEMALLOC_OSATOMIC])
+], [je_cv_osatomic])
+if test "x${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${je_cv_osatomic}" != "xyes" ; then
+ JE_SYNC_COMPARE_AND_SWAP_CHECK(32, 4)
+ JE_SYNC_COMPARE_AND_SWAP_CHECK(64, 8)
fi
dnl ============================================================================
OSSpinLock lock = 0;
OSSpinLockLock(&lock);
OSSpinLockUnlock(&lock);
-], [osspin])
-if test "x${osspin}" = "xyes" ; then
- AC_DEFINE([JEMALLOC_OSSPIN])
+], [je_cv_osspin])
+if test "x${je_cv_osspin}" = "xyes" ; then
+ AC_DEFINE([JEMALLOC_OSSPIN], [ ])
fi
-dnl ============================================================================
-dnl Check for allocator-related functions that should be wrapped.
-
-AC_CHECK_FUNC([memalign],
- [AC_DEFINE([JEMALLOC_OVERRIDE_MEMALIGN])])
-AC_CHECK_FUNC([valloc],
- [AC_DEFINE([JEMALLOC_OVERRIDE_VALLOC])])
-
dnl ============================================================================
dnl Darwin-related configuration.
if test "x${abi}" = "xmacho" ; then
- AC_DEFINE([JEMALLOC_IVSALLOC])
- AC_DEFINE([JEMALLOC_ZONE])
+ 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])])
+ 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" > "${objroot}include/jemalloc/internal/size_classes.h"
+])
+
dnl Process .in files.
AC_SUBST([cfghdrs_in])
AC_SUBST([cfghdrs_out])
dnl ============================================================================
dnl Generate outputs.
-AC_CONFIG_FILES([$cfgoutputs_tup config.stamp])
+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([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([ : ${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-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([utrace : ${enable_utrace}])
+AC_MSG_RESULT([valgrind : ${enable_valgrind}])
AC_MSG_RESULT([xmalloc : ${enable_xmalloc}])
-AC_MSG_RESULT([sysv : ${enable_sysv}])
-AC_MSG_RESULT([swap : ${enable_swap}])
+AC_MSG_RESULT([mremap : ${enable_mremap}])
+AC_MSG_RESULT([munmap : ${enable_munmap}])
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([===============================================================================])
projects / redis.git / blobdiff