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fftw: fix build with clang15+ (#38889)

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In Clang 15, -Wint-conversion became an error instead of a warning,
breaking the fftw build for clang versions > 15. This patch fixes fftw
builds with clang 15+ by passing -Wno-error=int-conversion as a cflag.
This commit is contained in:
Aiden Grossman 2023-07-18 14:02:51 -07:00 committed by GitHub
parent ffc283ab8b
commit 9a05dce3bf
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1 changed files with 7 additions and 0 deletions
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7
var/spack/repos/builtin/packages/fftw/package.py
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@ -63,6 +63,13 @@ def libs(self):
return find_libraries(libraries, root=self.prefix, recursive=True) return find_libraries(libraries, root=self.prefix, recursive=True)
def flag_handler(self, name, flags):
if name == "cflags":
if self.spec.satisfies("%clang@15:"):
flags.append("-Wno-error=int-conversion")
return flags, None, None
def patch(self): def patch(self):
# If fftw/config.h exists in the source tree, it will take precedence # If fftw/config.h exists in the source tree, it will take precedence
# over the copy in build dir. As only the latter has proper config # over the copy in build dir. As only the latter has proper config