do out of source builds in hashed directories (#18574)

2020-09-18 12:21:13 -07:00
parent 58fb6cdaad
commit 7585b37865
1 changed files with 2 additions and 1 deletions
--- a/lib/spack/spack/build_systems/cmake.py
+++ b/lib/spack/spack/build_systems/cmake.py
@@ -314,7 +314,8 @@ def build_directory(self):

        :return: directory where to build the package
        """
-        return os.path.join(self.stage.path, 'spack-build')
+        dirname = 'spack-build=%s' % self.spec.dag_hash(7)
+        return os.path.join(self.stage.path, dirname)

    def cmake_args(self):
        """Produces a list containing all the arguments that must be passed to