From: Mike Hommey <[email protected]>
---
configure.ac | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/configure.ac b/configure.ac
index 57015d1..04bb294 100644
--- a/configure.ac
+++ b/configure.ac
@@ -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 to make happen otherwise.
default_munmap="1"
-JEMALLOC_USABLE_SIZE_CONST="const"
case "${host}" in
*-*-darwin*)
CFLAGS="$CFLAGS"
@@ -286,7 +285,6 @@ case "${host}" in
AC_DEFINE([JEMALLOC_HAS_ALLOCA_H])
AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED], [ ])
AC_DEFINE([JEMALLOC_THREADED_INIT], [ ])
- JEMALLOC_USABLE_SIZE_CONST=""
default_munmap="0"
;;
*-*-netbsd*)
@@ -351,6 +349,22 @@ case "${host}" in
abi="elf"
;;
esac
+
+JEMALLOC_USABLE_SIZE_CONST=const
+AC_CHECK_HEADERS([malloc.h], [
+ AC_MSG_CHECKING([whether malloc_usable_size definition can use const
argument])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+ [#include <malloc.h>
+ #include <stddef.h>
+ size_t malloc_usable_size(const void *ptr);
+ ],
+ [])],[
+ AC_MSG_RESULT([yes])
+ ],[
+ JEMALLOC_USABLE_SIZE_CONST=
+ AC_MSG_RESULT([no])
+ ])
+])
AC_DEFINE_UNQUOTED([JEMALLOC_USABLE_SIZE_CONST], [$JEMALLOC_USABLE_SIZE_CONST])
AC_SUBST([abi])
AC_SUBST([RPATH])
--
2.0.0.rc2
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