From d0e4414bb66805b4526c2320080eed583e32c5b5 Mon Sep 17 00:00:00 2001 From: Michael Kuhn Date: Mon, 25 May 2020 14:22:51 +0200 Subject: libunwind: fix build with gcc@10: (#16782) --- var/spack/repos/builtin/packages/libunwind/package.py | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'var') diff --git a/var/spack/repos/builtin/packages/libunwind/package.py b/var/spack/repos/builtin/packages/libunwind/package.py index 1a4ae5524c..dcabc86ec5 100644 --- a/var/spack/repos/builtin/packages/libunwind/package.py +++ b/var/spack/repos/builtin/packages/libunwind/package.py @@ -47,7 +47,15 @@ class Libunwind(AutotoolsPackage): provides('unwind') - flag_handler = AutotoolsPackage.build_system_flags + def flag_handler(self, name, flags): + wrapper_flags = None + + if name == 'cflags': + # https://github.com/libunwind/libunwind/pull/166 + if self.spec.satisfies('@:1.4 %gcc@10:'): + wrapper_flags = ['-fcommon'] + + return (wrapper_flags, None, flags) def configure_args(self): spec = self.spec -- cgit v1.2.3-60-g2f50