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binutils: drop overly strict conflicts for assembler/linker (#23122)

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This has been checked with gcc on ubuntu 16.04, which ships binutils 2.26 by
default, using spack's binutils 2.36. Only the combination +gas and ~ld
seems to trigger this incompatibility with debug symbols (gcc -g -O2
main.c fails with the error in the comment above the conflict)
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Harmen Stoppels 2021-04-20 09:27:12 +02:00 committed by GitHub
parent 7e6b76301a
commit 173954e568
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1 changed files with 7 additions and 8 deletions
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15
var/spack/repos/builtin/packages/binutils/package.py
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@ -61,14 +61,13 @@ class Binutils(AutotoolsPackage, GNUMirrorPackage):
conflicts('+gold', when='platform=darwin',
msg="Binutils cannot build linkers on macOS")
# When you build binutils with ~ld and +gas and load it in your PATH, you may
# end up with an incompatibility between linker and assembler, in particular:
# "unable to initialize decompress status for section .debug_info" is the error
# I've encountered.
conflicts('~gas', '+ld', msg="Linker and assembler should be the same version")
conflicts('+gas', '~ld', msg="Linker and assembler should be the same version")
conflicts('~gas', '+gold', msg="Linker and assembler should be the same version")
conflicts('+gas', '~gold', msg="Linker and assembler should be the same version")
# When you build binutils with ~ld and +gas and load it in your PATH, you
# may end up with incompatibilities between a potentially older system ld
# and a recent assembler. For instance the linker on ubuntu 16.04 from
# binutils 2.26 and the assembler from binutils 2.36.1 will result in:
# "unable to initialize decompress status for section .debug_info"
# when compiling with debug symbols on gcc.
conflicts('+gas', '~ld', msg="Assembler not always compatible with system ld")
def configure_args(self):
spec = self.spec