- Fix the ccache detection

Makefile.gcov

@@ -5,12 +5,6 @@
 
 lcov: lcov-html
 
-lcov-ccache:
-	@if test -z "$(CCACHE_DISABLE)" || test "$(CCACHE_DISABLE)" != "1"; then \
-		echo "ccache is not disabled. Set environment variable CCACHE_DISABLE=1 to disable ccache."; \
-		exit 123; \
-	fi
-
 lcov-test: all
 	@echo "Running test suite"
 	@find . -name \*.gcda | xargs rm -f

configure.in

@@ -608,14 +608,13 @@ if test "$PHP_GCOV" = "yes"; then
   fi
 
   dnl Check if ccache is being used
-  dnl FIXME: Need a check for ccache usage, the one below does not work!
-  PHP_CHECK_GCC_ARG([--ccache-skip], [gcc_ccache=yes])
-
-  if test "$gcc_ccache" = "yes"; then
-    if test -z "$CCACHE_DISABLE" || test "$CCACHE_DISABLE" != "1"; then
-      AC_MSG_ERROR([ccache must be disabled when --enable-gcov option is used. You can disable ccache by setting environment variable CCACHE_DISABLE=1.])
-    fi
-    lcov_target="lcov-ccache"
+  case `$php_shtool path $CC` in
+    *ccache*[)] gcc_ccache=yes;;
+    *[)] gcc_ccache=no;;
+  esac
+
+  if test "$gcc_ccache" = "yes" && (test -z "$CCACHE_DISABLE" || test "$CCACHE_DISABLE" != "1"); then
+    AC_MSG_ERROR([ccache must be disabled when --enable-gcov option is used. You can disable ccache by setting environment variable CCACHE_DISABLE=1.])
   fi
 
   ltp_version_list="1.4"