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authorSandra Loosemore <sandra@codesourcery.com>2020-02-12 12:20:15 -0800
committerSandra Loosemore <sandra@codesourcery.com>2020-02-12 13:22:07 -0800
commit02ce382cd323097f9d02fbf91e0a3f59ebcd3d30 (patch)
tree39f4cd0704638598d217061bd9661dfe6dc3d8bc /libgcc
parent3f3932a0ec875cb7cca187018f3f8f05f2519d3e (diff)
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Use a non-empty test program to test ability to link.
On bare-metal targets, I/O support is typically provided by a BSP and requires a linker script and/or hosting library to be specified on the linker command line. Linking an empty program with the default linker script may succeed, however, which confuses libstdc++ configuration when programs that probe for the presence of various I/O features fail with link errors. 2020-02-12 Sandra Loosemore <sandra@codesourcery.com> PR libstdc++/79193 PR libstdc++/88999 config/ * no-executables.m4: Use a non-empty program to test for linker support. libgcc/ * configure: Regenerated. libgfortran/ * configure: Regenerated. libiberty/ * configure: Regenerated. libitm/ * configure: Regenerated. libobjc/ * configure: Regenerated. libquadmath/ * configure: Regenerated. libssp/ * configure: Regenerated. libstdc++v-3/ * configure: Regenerated.
Diffstat (limited to 'libgcc')
-rw-r--r--libgcc/ChangeLog7
-rwxr-xr-xlibgcc/configure4
2 files changed, 9 insertions, 2 deletions
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 917d0e7..7b46ccb 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,10 @@
+2020-02-12 Sandra Loosemore <sandra@codesourcery.com>
+
+ PR libstdc++/79193
+ PR libstdc++/88999
+
+ * configure: Regenerated.
+
2020-02-10 Jeff Law <law@redhat.com>
* config/frv/frvbegin.c: Use right flags for .ctors and .dtors
diff --git a/libgcc/configure b/libgcc/configure
index ab8d471..093036a 100755
--- a/libgcc/configure
+++ b/libgcc/configure
@@ -3553,11 +3553,11 @@ done
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-
+#include <stdio.h>
int
main ()
{
-
+printf ("hello world\n");
;
return 0;
}