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-rw-r--r--lib/spack/spack/package.py6
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/spack/spack/package.py b/lib/spack/spack/package.py
index 37c12b0bd5..9c1ba04207 100644
--- a/lib/spack/spack/package.py
+++ b/lib/spack/spack/package.py
@@ -1139,7 +1139,11 @@ class PackageBase(with_metaclass(PackageMeta, PackageViewMixin, object)):
Returns:
bool: True if 'target' is found, else False
"""
- make = inspect.getmodule(self).make
+ # Prevent altering LC_ALL for 'make' outside this function
+ make = copy.deepcopy(inspect.getmodule(self).make)
+
+ # Use English locale for missing target message comparison
+ make.add_default_env('LC_ALL', 'C')
# Check if we have a Makefile
for makefile in ['GNUmakefile', 'Makefile', 'makefile']: