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mingw64-runtime-7.0.0 added basic support of _FORTIFY_SOURCE to harden strcpy() and memcpy() via __strcpy_chk() __memcpy_chk() similar to glibc. Unfortunately that imposes a new dependency on every caller that defines _FORTIFY_SOURCE to link against libssp as minw64-runtime does not provide __strcpy_chk() and friends. For comparison glibc does provide __strcpy_chk. To avoid widespread breakage (including build failure of USE=ssp gcc itself) we enable __strcpy_chk() checks only when -fstack-protector* options are set. Package-Manager: Portage-2.3.85, Repoman-2.3.20 Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>