Restructuring of the unix build scripts.

Also, interrupted dependency builds are now detected.


git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@1338 8092fc87-c524-0410-9efc-e669fe64eaf9

sc2/build/unix/config_functions

@@ -386,12 +386,14 @@ EOF
 # Some initialisations
 HAVE_SYMBOLS=""
 
-# Requirements for the config program itself
-have_program sed || exit 1
-SED="$PROG_sed_FILE"
-have_program tr || exit 1
-TR="$PROG_tr_FILE"
-have_program make || exit 1
-MAKE="$PROG_make_FILE"
+config_requirements() {
+	# Requirements for the config program itself
+	have_program sed || exit 1
+	SED="$PROG_sed_FILE"
+	have_program tr || exit 1
+	TR="$PROG_tr_FILE"
+	have_program make || exit 1
+	MAKE="$PROG_make_FILE"
+}