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-rw-r--r--var/spack/repos/builtin/packages/cp2k/package.py6
1 files changed, 5 insertions, 1 deletions
diff --git a/var/spack/repos/builtin/packages/cp2k/package.py b/var/spack/repos/builtin/packages/cp2k/package.py
index 8c1c1a7ffe..646392f5b9 100644
--- a/var/spack/repos/builtin/packages/cp2k/package.py
+++ b/var/spack/repos/builtin/packages/cp2k/package.py
@@ -174,7 +174,11 @@ class Cp2k(MakefilePackage):
cxxflags.append('-fp-model precise')
fcflags.extend(['-fp-model source', '-heap-arrays 64'])
elif '%gcc' in spec:
- fcflags.extend(['-ffree-form', '-ffree-line-length-none'])
+ fcflags.extend([
+ '-ffree-form',
+ '-ffree-line-length-none',
+ '-ggdb', # make sure we get proper Fortran backtraces
+ ])
elif '%pgi' in spec:
fcflags.extend(['-Mfreeform', '-Mextend'])