Only enable ccache if it's available

Reviewed-by: Emilia Käsper <emilia@openssl.org>

diff --git a/.travis.yml b/.travis.yml
index dff2f94978a90e9e0d5272a97e92d88f1cb259dd..ac8d81295dc4308f8725b1b7d96187f11f1f9331 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -64,7 +64,9 @@ before_script:
           srcdir=../_srcdir;
           mkdir _build;
           cd _build;
           srcdir=../_srcdir;
           mkdir _build;
           cd _build;

-          CC="ccache $CC";
+          if which ccache >/dev/null; then
+              CC="ccache $CC";
+          fi

       else
           srcdir=.;
           cd _srcdist;
       else
           srcdir=.;
           cd _srcdist;