diff options
Diffstat (limited to 'libffi/acinclude.m4')
| -rw-r--r-- | libffi/acinclude.m4 | 8 |
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 |