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-rw-r--r--dev-util/mingw64-runtime/files/mingw64-runtime-7.0.0-fortify-only-ssp.patch16
1 files changed, 16 insertions, 0 deletions
diff --git a/dev-util/mingw64-runtime/files/mingw64-runtime-7.0.0-fortify-only-ssp.patch b/dev-util/mingw64-runtime/files/mingw64-runtime-7.0.0-fortify-only-ssp.patch
new file mode 100644
index 000000000000..72ddd775a2ea
--- /dev/null
+++ b/dev-util/mingw64-runtime/files/mingw64-runtime-7.0.0-fortify-only-ssp.patch
@@ -0,0 +1,16 @@
+--- a/mingw-w64-headers/crt/_mingw_mac.h
++++ b/mingw-w64-headers/crt/_mingw_mac.h
+@@ -301,7 +301,12 @@
+ # define __mingw_attribute_artificial
+ #endif
+
+-#if _FORTIFY_SOURCE > 0 && __OPTIMIZE__ > 0 && __MINGW_GNUC_PREREQ(4, 1)
++/* __SSP__ is a workaround to avoid reference to libssp when user did not request it:
++ * https://sourceforge.net/p/mingw-w64/bugs/818/
++ * Otherwise it breaks both USE=ssp gcc bootstrap and projects that happen to use
++ * strcpy/memcpy.
++ */
++#if _FORTIFY_SOURCE > 0 && __OPTIMIZE__ > 0 && __MINGW_GNUC_PREREQ(4, 1) && __SSP__ > 0
+ # if _FORTIFY_SOURCE > 1
+ # define __MINGW_FORTIFY_LEVEL 2
+ # else