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Use a configure test to detect the form of malloc_usable_size in malloc.h

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Mike Hommey 2014-05-28 08:10:12 +09:00 committed by Jason Evans
parent 22bc570fba
commit affe009e37
1 changed files with 16 additions and 2 deletions
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18
configure.ac
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@ -258,7 +258,6 @@ 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 definitions need to be seen before any headers are included, which is a pain
dnl to make happen otherwise. dnl to make happen otherwise.
default_munmap="1" default_munmap="1"
JEMALLOC_USABLE_SIZE_CONST="const"
case "${host}" in case "${host}" in
*-*-darwin*) *-*-darwin*)
CFLAGS="$CFLAGS" CFLAGS="$CFLAGS"
@ -286,7 +285,6 @@ case "${host}" in
AC_DEFINE([JEMALLOC_HAS_ALLOCA_H]) AC_DEFINE([JEMALLOC_HAS_ALLOCA_H])
AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED], [ ]) AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED], [ ])
AC_DEFINE([JEMALLOC_THREADED_INIT], [ ]) AC_DEFINE([JEMALLOC_THREADED_INIT], [ ])
JEMALLOC_USABLE_SIZE_CONST=""
default_munmap="0" default_munmap="0"
;; ;;
*-*-netbsd*) *-*-netbsd*)
@ -351,6 +349,22 @@ case "${host}" in
abi="elf" abi="elf"
;; ;;
esac esac
JEMALLOC_USABLE_SIZE_CONST=const
AC_CHECK_HEADERS([malloc.h], [
AC_MSG_CHECKING([whether malloc_usable_size definition can use const argument])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[#include <malloc.h>
#include <stddef.h>
size_t malloc_usable_size(const void *ptr);
],
[])],[
AC_MSG_RESULT([yes])
],[
JEMALLOC_USABLE_SIZE_CONST=
AC_MSG_RESULT([no])
])
])
AC_DEFINE_UNQUOTED([JEMALLOC_USABLE_SIZE_CONST], [$JEMALLOC_USABLE_SIZE_CONST]) AC_DEFINE_UNQUOTED([JEMALLOC_USABLE_SIZE_CONST], [$JEMALLOC_USABLE_SIZE_CONST])
AC_SUBST([abi]) AC_SUBST([abi])
AC_SUBST([RPATH]) AC_SUBST([RPATH])