diff options
| -rw-r--r-- | lib/spack/spack/build_environment.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/spack/spack/build_environment.py b/lib/spack/spack/build_environment.py index c02c3bc818..7b02dbcae2 100644 --- a/lib/spack/spack/build_environment.py +++ b/lib/spack/spack/build_environment.py @@ -457,9 +457,12 @@ def set_wrapper_variables(pkg, env): env.set(SPACK_DEBUG_LOG_ID, pkg.spec.format("{name}-{hash:7}")) env.set(SPACK_DEBUG_LOG_DIR, spack.main.spack_working_dir) - # Find ccache binary and hand it to build environment if spack.config.get("config:ccache"): + # Enable ccache in the compiler wrapper env.set(SPACK_CCACHE_BINARY, spack.util.executable.which_string("ccache", required=True)) + else: + # Avoid cache pollution if a build system forces `ccache <compiler wrapper invocation>`. + env.set("CCACHE_DISABLE", "1") # Gather information about various types of dependencies link_deps = set(pkg.spec.traverse(root=False, deptype=("link"))) |