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-rw-r--r--nptl/Makefile4
1 files changed, 4 insertions, 0 deletions
diff --git a/nptl/Makefile b/nptl/Makefile
index cd601e5f5a..82f2d0a4f4 100644
--- a/nptl/Makefile
+++ b/nptl/Makefile
@@ -278,6 +278,10 @@ gen-as-const-headers = pthread-errnos.sym
 
 LDFLAGS-pthread.so = -Wl,--enable-new-dtags,-z,nodelete,-z,initfirst
 
+# GCC-4.9 compiles 'sprintf(NULL, ...)' into UD2 on x86_64 without -fno-builtin
+CFLAGS-tst-cleanup2.c = -fno-builtin
+CFLAGS-tst-cleanupx2.c = -fno-builtin
+
 include ../Makeconfig
 
 ifeq ($(have-forced-unwind),yes)