Add an option to build using clang instead of gcc.
This commit is contained in:
Nick Clifton
parent
60374778c3
commit
6f8976d0f9
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@ -2,7 +2,7 @@
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Summary: A GNU collection of binary utilities
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Name: %{?cross}binutils%{?_with_debug:-debug}
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Version: 2.32
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Release: 25%{?dist}
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Release: 26%{?dist}
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License: GPLv3+
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URL: https://sourceware.org/binutils
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@ -11,35 +11,52 @@ URL: https://sourceware.org/binutils
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# Binutils SPEC file. Can be invoked with the following parameters:
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# --define "binutils_target arm-linux-gnu" to create arm-linux-gnu-binutils.
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# --with=bootstrap: Build with minimal dependencies.
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# --with=debug: Build without optimizations and without splitting the debuginfo.
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# --without=docs: Skip building documentation.
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# --without=testsuite: Do not run the testsuite. Default is to run it.
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# --with=testsuite: Run the testsuite. Default when --with=debug is not to run it.
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# --with=bootstrap Build with minimal dependencies.
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# --with=debug Build without optimizations and without splitting
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# the debuginfo into a separate file.
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# --without=docs Skip building documentation.
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# --without=testsuite Do not run the testsuite. Default is to run it.
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# --with=testsuite Run the testsuite. Default when --with=debug is not
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# to run it.
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# --without=gold Disable building of the GOLD linker.
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#---Start of Configure Options-----------------------------------------------
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# Do not create deterministic archives by default (cf: BZ 1195883)
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# Use clang as the build time compiler rather than gcc.
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%define build_using_clang 0
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# Create deterministic archives (ie ones without timestamps).
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# Default is off because of BZ 1195883.
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%define enable_deterministic_archives 0
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# Enable support for GCC LTO compilation.
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# Disable if it is necessary to work around bugs in LTO.
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%define enable_lto 1
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# Disable the default generation of compressed debug sections.
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# Enable the compression of debug sections as default behaviour of the
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# assembler and linker. This option is disabled for now. The assembler and
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# linker have command line options to override the default behaviour.
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%define default_compress_debug 0
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# Default to read-only-relocations (relro) in shared binaries.
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# This is enabled as a security feature.
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%define default_relro 1
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# Disable the default generation of GNU Build notes by the assembler.
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# This has turned out to be problematic for the i686 architecture.
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# although the exact reason has not been determined. (See BZ 1572485)
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# It also breaks building EFI binaries on AArch64, as these cannot have
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# relocations against absolute symbols.
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# Enable the default generation of GNU Build notes by the assembler.
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# This option is disabled as it has turned out to be problematic for the i686
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# architecture, although the exact reason has not been determined. (See
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# BZ 1572485). It also breaks building EFI binaries on AArch64, as these
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# cannot have relocations against absolute symbols.
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%define default_generate_notes 0
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# Use "--without gold" to exclude the gold linker.
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# The default is to include it.
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# Enable thread support in the GOLD linker (if it is being built). This is
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# particularly important if plugins to the linker intend to use threads
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# themselves. See BZ 1636479 for more details. This option is made
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# configurable in case there is ever a need to disable thread support.
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%define enable_threading 1
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#----End of Configure Options------------------------------------------------
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# Note - in the future the gold linker may become deprecated.
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%ifnarch riscv64
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%bcond_without gold
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@ -48,14 +65,6 @@ URL: https://sourceware.org/binutils
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%bcond_with gold
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%endif
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# Enable thread support in the GOLD linker. This is particularly
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# important if plugins to the linker intend to use threads themselves.
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# See BZ 1636479 for more details. This option is made configurable
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# in case there is ever a need to disable thread support.
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%define enable_threading 1
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#----End of Configure Options------------------------------------------------
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# Default: Not bootstrapping.
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%bcond_with bootstrap
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# Default: Not debug
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@ -230,33 +239,35 @@ Patch22: binutils-gas-build-note-relocs.patch
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# Lifetime: Fixed in 2.33
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Patch23: binutils-do-not-warn-about-debuginfo-files.patch
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# Purpose: Stops the linker from merging section groups with different exclusion flags.
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# Purpose: Stops the linker from merging section groups with different
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# exclusion flags.
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# Lifetime: Fixed in 2.33
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Patch24: binutils-do-not-merge-differing-SHF_EXCLUDE-groups.patch
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# Purpose: Fix -Map and property merging
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# Purpose: Fix -Map and property merging
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# Lifetime: Fixed in 2.33
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Patch25: binutils-rh1736114.patch
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# Purpose: Change objcopy/strip so that they do not complain if the
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# first note in a sequence of build notes is not a version note.
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# Purpose: Change objcopy/strip so that they do not complain if the
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# first note in a sequence of build notes is not a version note.
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# Lifetime: Fixed in 2.33
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Patch26: binutils-objcopy-gnu-build-version-notes.patch
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# Purpose: Add a check to the GOLD linker for a corrupt input file
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# with a fuzzed section offset.
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# Purpose: Add a check to the GOLD linker for a corrupt input file
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# with a fuzzed section offset.
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# Lifetime: Fixed in 2.33
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Patch27: binutils-CVE-2019-1010204.patch
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# Purpose: Add check to libiberty library in order to prevent an integer overflow in the gold linker.
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# Purpose: Add check to libiberty library in order to prevent an integer
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# overflow in the gold linker.
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# Lifetime: Fixed in 2.33
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Patch28: binutils-CVE-2019-14250.patch
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# Purpose: Add check to readelf in order to prevent an integer overflow.
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# Purpose: Add check to readelf in order to prevent an integer overflow.
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# Lifetime: Fixed in 2.33
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Patch29: binutils-CVE-2019-14444.patch
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# Purpose: Fix for building with gcc-10.
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# Purpose: Fix for building with gcc-10.
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# Lifetime: Fixed in 2.34
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Patch30: binutils-gcc-10-fixes.patch
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@ -281,7 +292,13 @@ Requires: binutils-gold >= %{version}
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%endif
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# Perl, sed and touch are all used in the %%prep section of this spec file.
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BuildRequires: gcc, perl, sed, coreutils
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BuildRequires: perl, sed, coreutils
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%if %{build_using_clang}
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BuildRequires: clang
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%else
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BuildRequires: gcc
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%endif
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%if %{without bootstrap}
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BuildRequires: gettext, flex, zlib-devel
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@ -373,7 +390,10 @@ BuildRequires: bison, m4, gcc-c++
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# The GOLD testsuite needs a static libc++
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BuildRequires: libstdc++-static
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%if ! %{build_using_clang}
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BuildRequires: gcc-c++
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Conflicts: gcc-c++ < 4.0.0
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%endif
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# The higher of these two numbers determines the default ld.
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%{!?ld_gold_priority:%global ld_gold_priority 30}
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@ -459,6 +479,11 @@ touch */configure
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%build
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echo target is %{binutils_target}
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%if %{build_using_clang}
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# Clang does not support the -fstack-clash-protection option.
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%global optflags %(echo %{optflags} | sed 's/-fstack-clash-protection//')
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%endif
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%ifarch %{power64}
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export CFLAGS="$RPM_OPT_FLAGS -Wno-error"
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%else
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@ -514,6 +539,10 @@ export LDFLAGS=$RPM_LD_FLAGS
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# We could optimize the cross builds size by --enable-shared but the produced
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# binaries may be less convenient in the embedded environment.
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%configure \
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%if %{build_using_clang}
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CC=clang \
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CXX=clang++ \
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%endif
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--quiet \
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--build=%{_target_platform} --host=%{_target_platform} \
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--target=%{binutils_target} \
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@ -812,6 +841,9 @@ exit 0
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#----------------------------------------------------------------------------
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%changelog
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* Wed Sep 25 2019 Nick Clifton <nickc@redhat.com> - 2.32-26
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- Add an option to build using clang instead of gcc.
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* Tue Sep 24 2019 Nick Clifton <nickc@redhat.com> - 2.32-25
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- Fix building with gcc-10.
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