libbacktrace: declare getpagesize if necessary

Fixes https://gcc.gnu.org/PR95012.
2026-06-14 18:49:10 +08:00 · 2020-05-11 10:54:46 -07:00
parent 7206f5bd06
commit 14465a9574
5 changed files with 23 additions and 1 deletions
--- a/mmapio.c
+++ b/mmapio.c
@@ -40,6 +40,10 @@ POSSIBILITY OF SUCH DAMAGE.  */
 #include "backtrace.h"
 #include "internal.h"

+#ifndef HAVE_DECL_GETPAGESIZE
+extern int getpagesize (void);
+#endif
+
 #ifndef MAP_FAILED
 #define MAP_FAILED ((void *)-1)
 #endif