nobu	2018-11-27 17:39:39 +0900 (Tue, 27 Nov 2018)

  New Revision: 66028

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=66028

  Log:
    .travis.yml: discard config.cache if CC changed

  Modified files:
    trunk/.travis.yml
Index: .travis.yml
===================================================================
--- .travis.yml	(revision 66027)
+++ .travis.yml	(revision 66028)
@@ -339,6 +339,7 @@ before_script: https://github.com/ruby/ruby/blob/trunk/.travis.yml#L339
     gcc*)   the_gcc=(ccache $CC ${GCC_FLAGS[@]} -fno-diagnostics-color) ;;
     clang*) the_gcc=(ccache $CC ${GCC_FLAGS[@]} -fno-color-diagnostics) ;;
     esac
+  - "[ ! -f config.cache ] || [ \"$CC\" = \"`sed -n s/^ac_cv_prog_CC=//p config.cache`\" ] || (set -x; exec rm config.cache)"
   - "$SETARCH ../configure -C --disable-install-doc --prefix=/tmp/ruby-prefix --with-gcc=\"${the_gcc[*]}\" $CONFIG_FLAG"
   - "cp -pr config.cache config.status .ext/include ../config_1st"
   - "$SETARCH make reconfig"

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