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Drop -fcf-protection for i686 because there won't be kernel support

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This commit is contained in:
Florian Weimer 2024-01-16 11:34:37 +01:00
parent c0295c50b3
commit 13bd1aaf1a
3 changed files with 7 additions and 4 deletions
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4
buildflags.md
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@ -581,9 +581,9 @@ These compiler flags are enabled for all builds (hardened/annotated or
not), but their selection depends on the architecture:
* `-fcf-protection`: Instrument binaries to guard against
ROP/JOP attacks. Used on i686 and x86_64.
ROP/JOP exploitation techniques. Used on x86_64.
* `-mbranch-protection=standard`: Instrument binaries to guard against
ROP/JOP attacks. Used on aarch64.
ROP/JOP exploitation techniques. Used on aarch64.
* `-m64` and `-m32`: Some GCC builds support both 32-bit and 64-bit in
the same compilation. For such architectures, the RPM build process
explicitly selects the architecture variant by passing this compiler

5
redhat-rpm-config.spec
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@ -4,7 +4,7 @@
# 2) When making changes, increment the version (in baserelease) by 1.
# rpmdev-bumpspec and other tools update the macro below, which is used
# in Version: to get the desired effect.
%global baserelease 279
%global baserelease 280
Summary: Red Hat specific rpm configuration files
Name: redhat-rpm-config
@ -262,6 +262,9 @@ install -p -m 644 -t %{buildroot}%{_rpmluadir}/fedora common.lua
%doc buildflags.md
%changelog
* Tue Jan 16 2024 Florian Weimer <fweimer@redhat.com> - 280-1
- Drop -fcf-protection for i686 because there won't be kernel support
* Tue Jan 16 2024 Nils Philippsen <nils@redhat.com> - 279-1
- Obsolete rpmautospec-rpm-macros without version

2
rpmrc
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@ -3,7 +3,7 @@ include: /usr/lib/rpm/rpmrc
optflags: i386 %{__global_compiler_flags} -m32 -march=i386 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection
optflags: i486 %{__global_compiler_flags} -m32 -march=i486 -fasynchronous-unwind-tables -fstack-clash-protection
optflags: i586 %{__global_compiler_flags} -m32 -march=i586 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection
optflags: i686 %{__global_compiler_flags} -m32 -march=i686 -mtune=generic -msse2 -mfpmath=sse -mstackrealign -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection
optflags: i686 %{__global_compiler_flags} -m32 -march=i686 -mtune=generic -msse2 -mfpmath=sse -mstackrealign -fasynchronous-unwind-tables -fstack-clash-protection
optflags: athlon %{__global_compiler_flags} -m32 -march=athlon -fasynchronous-unwind-tables -fstack-clash-protection
optflags: x86_64 %{__global_compiler_flags} -m64 %{__cflags_arch_x86_64} %__cflags_arch_x86_64_common
optflags: x86_64_v2 %{__global_compiler_flags} -m64 -march=x86-64-v2 %__cflags_arch_x86_64_common