Unix build improvement (build tool detection).

git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@2535 8092fc87-c524-0410-9efc-e669fe64eaf9

sc2/build/unix/build.config

@@ -9,17 +9,15 @@
 uqm_requirements()
 {
 	# Some requirements:
-	have_program gcc || exit 1
-	COMPILE="$PROG_gcc_FILE"
-
+	have_build_tools_language C || exit 1
+	have_build_tool LINK || exit 1
 	case "$HOST_SYSTEM" in
 		MINGW32*)
-			have_program windres
-			WINDRES="$PROG_windres_FILE"
+			have_build_tool WINDRES || exit 1
 			;;
 		Darwin)
-			have_program Rez || exit 1
-			REZ="$PROG_Rez_FILE"
+			have_build_tools_language OBJC || exit 1
+			have_build_tool REZ || exit 1
 			;;
 	esac
 
@@ -343,7 +341,9 @@ uqm_process_config() {
 	substitute_vars SUBSTITUTE_VARS SUBSTITUTE_FILES src "$BUILD_WORK"
 
 	# Make build.vars from build.vars.in, substituting variables.
-	SUBSTITUTE_VARS="BUILD_SYSTEM HOST_SYSTEM COMPILE CFLAGS LDFLAGS \
+	SUBSTITUTE_VARS="BUILD_SYSTEM HOST_SYSTEM CFLAGS LDFLAGS LINK \
+			PREPROC_C MKDEP_C COMPILE_C \
+			PREPROC_OBJC MKDEP_OBJC COMPILE_OBJC \
 			MAKE ECHON SED DEBUG JOYSTICK NETPLAY \
 			SOUNDMODULE USE_INTERNAL_MIKMOD \
 			HAVE_OPENGL HAVE_REGEX_H_FLAG USE_ZIP_IO \
@@ -389,7 +389,7 @@ uqm_post_build() {
 	# the resource fork, in fact)
 	case "$HOST_SYSTEM" in
 		Darwin)
-			${REZ} ${RFORK} -o ${TARGET_FILE}
+			$REZ "$RFORK" -o "$TARGET_FILE"
 			;;
 	esac
 }
@@ -449,7 +449,7 @@ uqm_install_osx() {
 	for HEADER in $HEADERS; do
 		HEADER_FILE=`basename $HEADER`
 		eval FRAMEWORK=`echo '' | \
-				$COMPILE -E -D__MACOSX__ -include $HEADER - | \
+				$PREPROC_C -D__MACOSX__ -include $HEADER - | \
 				awk '(/'$HEADER_FILE'/ && $2 == 1) { print $3; exit }' | \
 				$SED 's/.Headers.*$/"/'`
 		cp -r "$FRAMEWORK" "$INSTROOT/Frameworks"