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-rw-r--r--var/spack/repos/builtin/packages/python/package.py6
1 files changed, 5 insertions, 1 deletions
diff --git a/var/spack/repos/builtin/packages/python/package.py b/var/spack/repos/builtin/packages/python/package.py
index 8dc46f113d..30774332fd 100644
--- a/var/spack/repos/builtin/packages/python/package.py
+++ b/var/spack/repos/builtin/packages/python/package.py
@@ -93,6 +93,10 @@ class Python(AutotoolsPackage):
default=False,
description='Enable expensive build-time optimizations, if available'
)
+ # See https://legacy.python.org/dev/peps/pep-0394/
+ variant('pythoncmd', default=True,
+ description="Symlink 'python3' executable to 'python' "
+ "(not PEP 394 compliant)")
depends_on("openssl")
depends_on("bzip2")
@@ -231,7 +235,7 @@ class Python(AutotoolsPackage):
os.symlink(os.path.join(src, f),
os.path.join(dst, f))
- if spec.satisfies('@3:'):
+ if spec.satisfies('@3:') and spec.satisfies('+pythoncmd'):
os.symlink(os.path.join(prefix.bin, 'python3'),
os.path.join(prefix.bin, 'python'))
os.symlink(os.path.join(prefix.bin, 'python3-config'),