Adjust relro test to work around GNU ld limitations.

1 files changed, 7 insertions, 0 deletions

diff --git a/configure b/configure
index d44659bb2c..2568345f48 100755
--- a/configure
+++ b/configure
@@ -6404,7 +6404,14 @@ else
 
 int _start (void) { return 42; }
 extern void _exit (int);
+/* Since these pointers are const, they should go in rodata.
+   Since they refer to functions that have to be resolved by
+   dynamic linking, they should instead go in RELRO data.  */
 const void *const relro[] = { &_start, &_exit, 0 };
+/* GNU ld fails to produce RELRO data when it's very small and there is no
+   normal writable data following it, or if only uninitialized (.bss) data
+   follows it, or only very small writable data.  */
+int data[0x10000] = { 1, };
 
 _ACEOF
     cat > conftest.awk <<\EOF