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https://bugs.gentoo.org/706210
https://bugs.gentoo.org/747346
Author: Timo Teräs <timo.teras@iki.fi>
"Alpine musl package provides libssp_nonshared.a. We link to it unconditionally,
as otherwise we get link failures if some objects are -fstack-protector built
and final link happens with -fno-stack-protector. This seems to be the common
case when bootstrapping gcc, the piepatches do not seem to fully fix the
crosstoolchain and bootstrap sequence wrt. stack-protector flag usage."
(We do the same in Gentoo.)
--- a/gcc/gcc.cc
+++ b/gcc/gcc.cc
@@ -870,8 +870,7 @@
#ifndef LINK_SSP_SPEC
#ifdef TARGET_LIBC_PROVIDES_SSP
-#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \
- "|fstack-protector-strong|fstack-protector-explicit:}"
+#define LINK_SSP_SPEC "-lssp_nonshared"
#else
#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \
"|fstack-protector-strong|fstack-protector-explicit" \
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