[gnome-continuous] Log the compiler in use

[Emmanuele Bassi <ebassi src gnome org>]

commit 1e3f4a6cbd00bd5eff8f4b3a6d58e07be55f623a
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Wed Nov 29 20:13:34 2017 +0000

    Log the compiler in use
    
    This is mostly for debugging distutils and ninja picking up the wrong
    compiler, and thus the wrong set of headers.

 src/ostree-build-compile-one |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/ostree-build-compile-one b/src/ostree-build-compile-one
index e4aa865..bc33d5b 100755
--- a/src/ostree-build-compile-one
+++ b/src/ostree-build-compile-one
@@ -247,6 +247,7 @@ def main(args):
             env['CC'] = makeargs['CC']
         if 'CXX' in makeargs:
             env['CXX'] = makeargs['CXX']
+        log("CC = '%s', CXX = '%s'" % (env['CC'], env['CXX'],))
 
     user_specified_jobs = False
     for arg in args: