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-rw-r--r--var/spack/repos/builtin/packages/m4/package.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/var/spack/repos/builtin/packages/m4/package.py b/var/spack/repos/builtin/packages/m4/package.py
index 3890663ad1..9d522dfccf 100644
--- a/var/spack/repos/builtin/packages/m4/package.py
+++ b/var/spack/repos/builtin/packages/m4/package.py
@@ -7,7 +7,9 @@ class M4(Package):
version('1.4.17', 'a5e9954b1dae036762f7b13673a2cf76')
- depends_on('libsigsegv')
+ variant('sigsegv', default=True, description="Build the libsigsegv dependency")
+
+ depends_on('libsigsegv', when='+sigsegv')
def install(self, spec, prefix):
configure("--prefix=%s" % prefix)