distutils-r1.eclass: workaround cython bug for Modern C

Pass -Wno-error=incompatible-pointer-types for now to avoid many dupes for the same cython bug. Bug: cython/cython#2747 Bug: https://bugs.gentoo.org/918983 Bug: https://bugs.gentoo.org/919261 Bug: https://bugs.gentoo.org/919277 Signed-off-by: Sam James <[email protected]>
gentoo · Dec 14, 2023 · 786a157 · 786a157
1 parent 21f4a98
commit 786a157
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/eclass/distutils-r1.eclass b/eclass/distutils-r1.eclass
@@ -1806,6 +1806,11 @@ distutils-r1_run_phase() {
 	tc-export AR CC CPP CXX
 
 	if [[ ${DISTUTILS_EXT} ]]; then
+		if [[ ${BDEPEND} == *dev-python/cython* ]] ; then
+			# Workaround for https://github.com/cython/cython/issues/2747 (bug #918983)
+			local -x CFLAGS="${CFLAGS} $(test-flags-CC -Wno-error=incompatible-pointer-types)"
+		fi
+
 		local -x CPPFLAGS="${CPPFLAGS} $(usex debug '-UNDEBUG' '-DNDEBUG')"
 		# always generate .c files from .pyx files to ensure we get latest
 		# bug fixes from Cython (this works only when setup.py is using