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-rw-r--r--recipes/build-tools/m4.recipe2
1 files changed, 1 insertions, 1 deletions
diff --git a/recipes/build-tools/m4.recipe b/recipes/build-tools/m4.recipe
index f991056e..99d8c542 100644
--- a/recipes/build-tools/m4.recipe
+++ b/recipes/build-tools/m4.recipe
@@ -12,4 +12,4 @@ class Recipe(recipe.Recipe):
patches = ['m4/0001-Fix-build-invalid-instruction-on-macOS-10.13.patch']
def prepare(self):
- self.append_env['CFLAGS'] = " -Wno-error=cast-align "
+ self.append_env['CFLAGS'] = " -Wno-error=cast-align -Wno-error=implicit-fallthrough"