Blacklist the GOMACC_PATH environment variable
The clang compiler wrapper will be looking for this environment
variable, but it should only ever be set by the `gomacc` in CC_WRAPPER.
Make sure that it isn't otherwise set in the environment.
Change-Id: I4b26c7183bc47f71dffa7dfcc2e5b08e840a11b1
diff --git a/core/goma.mk b/core/goma.mk
index c0c27c5..52726be 100644
--- a/core/goma.mk
+++ b/core/goma.mk
@@ -14,6 +14,9 @@
# limitations under the License.
#
+# Used by the compiler wrapper, but should only be set by gomacc
+unexport GOMACC_PATH
+
# Notice: this works only with Google's Goma build infrastructure.
ifneq ($(filter-out false,$(USE_GOMA)),)
# Goma requires a lot of processes and file descriptors.