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Remove FORTIFY_SOURCE since it is not compatible with or used by musl libc. Switch stack protector from all to strong since strong covers the entire practical stack smashing protection threat model. Sort compiler hardening flags A-Z. Sort linker hardening flags A-Z.

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inference 2023-01-17 01:33:37 +00:00
parent e2b1a669c5
commit 35095be95d
Signed by: inference
SSH Key Fingerprint: SHA256:9Pl0nZ2UJacgm+IeEtLSZ4FOESgP1eKCtRflfPfdX9M
1 changed files with 3 additions and 3 deletions
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6
portage/env/gcc.conf vendored
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@ -3,7 +3,7 @@
# Copyright 2022-2023 Inference
# SPDX-License-Identifier: BSD-3-Clause-Clear
# Version: 1.0.0.2
# Version: 2.0.0.3
# Toolchain
@ -22,8 +22,8 @@ STRIP="strip"
# Flags
## Hardening flags
C_SEC="-fPIE -fPIC -fstack-protector-all -fstack-clash-protection -D_FORTIFY_SOURCE=2 -fwrapv"
LD_SEC="-Wl,-pie -Wl,--strip-all -Wl,-z,defs -Wl,-z,now -Wl,-z,relro"
C_SEC="-fPIE -fPIC -fstack-clash-protection -fstack-protector-strong -fwrapv"
LD_SEC="-Wl,-z,defs -Wl,-z,now -Wl,-pie -Wl,-z,relro -Wl,--strip-all"
## Compiler flags
CFLAGS="-march=znver3 -mtune=znver3 -O2 -pipe -flto=4 -U__gnu_linux__ ${C_SEC}"
CXXFLAGS="-march=znver3 -mtune=znver3 -O2 -pipe -flto=4 ${C_SEC}"