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authorneroden <neroden@138bc75d-0d04-0410-961f-82ee72b054a4>2004-08-03 20:36:23 +0000
committerneroden <neroden@138bc75d-0d04-0410-961f-82ee72b054a4>2004-08-03 20:36:23 +0000
commite2f666909116cca02bcd52b242e7f47892588dc2 (patch)
tree33d61d719d255a8c77f377dd7936927e2fbf7284 /libffi/acinclude.m4
parent1756faab98165ac0812a21dd0c42923dd10d3a62 (diff)
downloadgcc-e2f666909116cca02bcd52b242e7f47892588dc2.tar.gz
2004-07-30 Maciej W. Rozycki <macro@linux-mips.org>
* acinclude.m4 (AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h> and mmap() explicitly instead of relying on preset autoconf cache variables. * aclocal.m4: Regenerate. * configure: Regenerate. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@85500 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libffi/acinclude.m4')
-rw-r--r--libffi/acinclude.m48
1 files changed, 6 insertions, 2 deletions
diff --git a/libffi/acinclude.m4 b/libffi/acinclude.m4
index 90896098c70..61187cfa564 100644
--- a/libffi/acinclude.m4
+++ b/libffi/acinclude.m4
@@ -11,8 +11,12 @@ AC_SUBST(LIBTOOL)
# mmap(2) blacklisting. Some platforms provide the mmap library routine
# but don't support all of the features we need from it.
AC_DEFUN([AC_FUNC_MMAP_BLACKLIST],
-[if test $ac_cv_header_sys_mman_h != yes \
- || test $ac_cv_func_mmap != yes; then
+[
+AC_CHECK_HEADER([sys/mman.h],
+ [libffi_header_sys_mman_h=yes], [libffi_header_sys_mman_h=no])
+AC_CHECK_FUNC([mmap], [libffi_func_mmap=yes], [libffi_func_mmap=no])
+if test "$libffi_header_sys_mman_h" != yes \
+ || test "$libffi_func_mmap" != yes; then
ac_cv_func_mmap_file=no
ac_cv_func_mmap_dev_zero=no
ac_cv_func_mmap_anon=no