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Improved error messages for compiler_for_spec when either zero or multiple compilers returned.

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This commit is contained in:
Gregory Becker 2016-01-08 15:13:48 -08:00
parent 6da1a105cb
commit aa28e4e81f
1 changed files with 14 additions and 1 deletions
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15
lib/spack/spack/compilers/__init__.py
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@ -219,7 +219,10 @@ def compiler_for_spec(compiler_spec, target):
compilers = [c for c in compilers if c.modules is None]
elif target.compiler_strategy == "MODULES":
compilers = [c for c in compilers if c.modules is not None]
assert(len(compilers) == 1)
if len(compilers) < 1:
raise NoCompilerForSpecError(compiler_spec, target)
if len(compilers) > 1:
raise CompilerSpecInsufficientlySpecificError(compiler_spec)
return compilers[0]
@ -253,3 +256,13 @@ def __init__(self, compiler_spec):
class NoCompilersError(spack.error.SpackError):
def __init__(self):
super(NoCompilersError, self).__init__("Spack could not find any compilers!")
class NoCompilerForSpecError(spack.error.SpackError):
def __init__(self, compiler_spec, target):
super(NoCompilerForSpecError, self).__init__("No compilers for target %s satisfy spec %s",
compiler_spec, target)
class CompilerSpecInsufficientlySpecificError(spack.error.SpackError):
def __init__(self, compiler_spec):
super(CompilerSpecInsufficientlySpecificError, self).__init__("Multiple compilers satisfy spec %s",
compiler_spec)