[PATCH v2 4/6] gitlab-ci: Add ccache in $PATH and display statistics

[Philippe Mathieu-Daudé]

If a runner has ccache installed, use it and display statistics
at the end of the build.

Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org>
---
 .gitlab-ci.d/buildtest-template.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.gitlab-ci.d/buildtest-template.yml 
b/.gitlab-ci.d/buildtest-template.yml
index f284d7a0eec..a625c697d3b 100644
--- a/.gitlab-ci.d/buildtest-template.yml
+++ b/.gitlab-ci.d/buildtest-template.yml
@@ -6,13 +6,18 @@
       then
         JOBS=$(sysctl -n hw.ncpu)
         MAKE=gmake
+        PATH=/usr/local/libexec/ccache:$PATH
         ;
       else
         JOBS=$(expr $(nproc) + 1)
         MAKE=make
+        PATH=/usr/lib/ccache:/usr/lib64/ccache:$PATH
         ;
       fi
     - echo "=== Using $JOBS simultaneous jobs ==="
+    - if command -v ccache > /dev/null ; then ccache --zero-stats ; fi
+  after_script:
+    - if command -v ccache > /dev/null ; then ccache --show-stats ; fi
 
 .native_build_job_template:
   stage: build
-- 
2.26.3