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authorAiden Grossman <39388941+boomanaiden154@users.noreply.github.com>2023-07-18 14:02:51 -0700
committerGitHub <noreply@github.com>2023-07-18 23:02:51 +0200
commit9a05dce3bf88ebe9c4d2a7b6f0a156d2d6fe2468 (patch)
tree33e4d93d046af53d03203a146aa719f483157162
parentffc283ab8b6b5c7b791e07e358388d3062e4ab44 (diff)
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fftw: fix build with clang15+ (#38889)
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.
-rw-r--r--var/spack/repos/builtin/packages/fftw/package.py7
1 files changed, 7 insertions, 0 deletions
diff --git a/var/spack/repos/builtin/packages/fftw/package.py b/var/spack/repos/builtin/packages/fftw/package.py
index 9b87254451..0aab3f71f7 100644
--- a/var/spack/repos/builtin/packages/fftw/package.py
+++ b/var/spack/repos/builtin/packages/fftw/package.py
@@ -63,6 +63,13 @@ class FftwBase(AutotoolsPackage):
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):
# 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