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tweak gold support, added to gcc

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The gold linker support and gold plugin variants now use the same name.
Trying to apply use-flag-style discipline here despite the fact gold has
other implications for clang, this way globally enabling gold will have
a more consistent effect if that becomes possible.  The gold support in
gcc could use more testing to ensure it works consistently, but as long
as a binutils including gold is used the gcc configure tends to pick it
up, and it seems to work with 5.3.0 at least.
This commit is contained in:
Tom Scogland 2016-01-03 17:22:13 -08:00
parent 48f19b5fde
commit 884f317d50
2 changed files with 7 additions and 4 deletions
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5
var/spack/packages/gcc/package.py
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@ -48,11 +48,14 @@ class Gcc(Package):
version('4.7.4', '4c696da46297de6ae77a82797d2abe28')
version('4.6.4', 'b407a3d1480c11667f293bfb1f17d1a4')
version('4.5.4', '27e459c2566b8209ab064570e1b378f7')
variant('gold', default=True, description="Build the gold linker plugin for ld-based LTO")
depends_on("mpfr")
depends_on("gmp")
depends_on("mpc") # when @4.5:
depends_on("binutils~libiberty")
depends_on("binutils~libiberty", when='~gold')
depends_on("binutils~libiberty+gold", when='+gold')
# Save these until we can do optional deps.
depends_on("isl", when=DEPENDS_ON_ISL_PREDICATE)

6
var/spack/packages/llvm/package.py
View File

@ -45,7 +45,7 @@ class Llvm(Package):
variant('polly', default=True, description="Build the LLVM polyhedral optimization plugin, only builds for 3.7.0+")
variant('libcxx', default=True, description="Build the LLVM C++ standard library")
variant('compiler-rt', default=True, description="Build the LLVM compiler runtime, including sanitizers")
variant('lto', default=True, description="Add support for LTO with the gold linker plugin")
variant('gold', default=True, description="Add support for LTO with the gold linker plugin")
# Universal dependency
@ -57,7 +57,7 @@ class Llvm(Package):
depends_on('libedit', when='+lldb')
# gold support
depends_on('binutils+gold', when='+lto')
depends_on('binutils+gold', when='+gold')
# polly plugin
depends_on('gmp', when='+polly')
@ -180,7 +180,7 @@ def install(self, spec, prefix):
'-DCLANG_DEFAULT_OPENMP_RUNTIME:STRING=libomp',
'-DPYTHON_EXECUTABLE:PATH=%s/bin/python' % spec['python'].prefix ])
if '+lto' in spec:
if '+gold' in spec:
cmake_args.append('-DLLVM_BINUTILS_INCDIR=' + os.path.join( spec['binutils'].prefix, 'include'))
if '+polly' in spec:
cmake_args.append('-DLINK_POLLY_INTO_TOOLS:Bool=ON')