summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--var/spack/repos/builtin/packages/flex/package.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/var/spack/repos/builtin/packages/flex/package.py b/var/spack/repos/builtin/packages/flex/package.py
index 800e4b9d96..9b173bb0dd 100644
--- a/var/spack/repos/builtin/packages/flex/package.py
+++ b/var/spack/repos/builtin/packages/flex/package.py
@@ -35,6 +35,7 @@ class Flex(Package):
version('2.5.39', 'e133e9ead8ec0a58d81166b461244fde')
depends_on("bison", type='build')
+ depends_on("m4", type='build')
def install(self, spec, prefix):
configure("--prefix=%s" % prefix)