travis-ci: Print the exact CC and CXX used

This prints a number of CC and CXX version messages, so we can see
better which C and C++ compilers are actually in use.

1 files changed, 16 insertions, 2 deletions

diff --git a/.travis-script.sh b/.travis-script.sh
index e6ebe7514..a1d756a21 100644
--- a/.travis-script.sh
+++ b/.travis-script.sh
@@ -11,18 +11,32 @@ ls -l configure
 
 shift
 
-set -e
 set -x
 
 abs_topsrcdir="$(pwd)"
+
 rel_prefixdir="_root-${buildid}"
 abs_prefixdir="${abs_topsrcdir}/${rel_prefixdir}"
+
 rel_builddir="_build-${buildid}"
 
+cc --version
+c++ --version
+gcc --version
+g++ --version
+clang --version
+clang++ --version
+
+echo "CC=\"${CC}\""
+echo "CXX=\"${CXX}\""
+test "x$CC"  != "x" && "$CC"  --version
+test "x$CXX" != "x" && "$CXX" --version
+
+set -e
+
 mkdir "${rel_builddir}"
 cd    "${rel_builddir}"
 
-
 if ../configure SLEEP=no --prefix="$abs_prefixdir" "$@"
 then
     echo "Configure successful."