CI: Let CMake use the CC environment variable

CC from environment is used to initialize CMAKE_C_COMPILER so
setting CMAKE_C_COMPILER explicitly isn't needed.

The syntax in ci_build.bash was broken in case one wished to put
spaces in CC.

diff --git a/build-aux/ci_build.bash b/build-aux/ci_build.bash
index 7781a54b14cf19b8b89237bc1cbbaa6b74fe575e..7e9231fcb146f6463b53ba863bde9a96907d83b0 100755 (executable)
--- a/build-aux/ci_build.bash
+++ b/build-aux/ci_build.bash
@@ -242,10 +242,6 @@ then
 
                add_extra_option "$SMALL" "-DXZ_SMALL=ON" ""
 
-               if test -n "$CC" ; then
-                       EXTRA_OPTIONS="$EXTRA_OPTIONS -DCMAKE_C_COMPILER=$CC"
-               fi
-
                # Remove old cache file to clear previous settings.
                rm -f "CMakeCache.txt"
                cmake "$SRC_DIR/CMakeLists.txt" -B "$DEST_DIR" $EXTRA_OPTIONS -DXZ_CHECKS="$CHECK_TYPE" -G "Unix Makefiles"