diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index 7ec11478f5..a3e97d54db 100644 --- a/configure.ac +++ b/configure.ac @@ -1108,15 +1108,18 @@ main() ]) ]) AC_CHECK_TYPES([caddr_t],[],[],[@%:@include <sys/types.h>]) - RUBY_WERROR_FLAG([AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ + AC_CACHE_CHECK([whether madvise declaration is needed], rb_cv_madvice_prototype_using_caddr_t, + [RUBY_WERROR_FLAG([AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ @%:@if defined(HAVE_CADDR_T) && (defined(MADV_FREE) || defined(MADV_DONTNEED)) @%:@include <sys/unistd.h> @%:@include <sys/mman.h> @%:@include <sys/types.h> extern int madvise(caddr_t, size_t, int); ]], [[]])], - [AC_DEFINE(NEED_MADVICE_PROTOTYPE_USING_CADDR_T, 1)], []) + [rb_cv_madvice_prototype_using_caddr_t=yes], [rb_cv_madvice_prototype_using_caddr_t=no]) + ]) ]) + AS_IF([test $rb_cv_madvice_prototype_using_caddr_t = yes], [AC_DEFINE(NEED_MADVICE_PROTOTYPE_USING_CADDR_T, 1)]) ], [haiku*], [ LIBS="$LIBS" # m lib is include in root |