Minor cleanup of Makefile

Makefile

-GCCVERSION := $(shell gcc -v 2>&1 | grep ada | wc -l)
 UNAME := $(shell uname)
-VERSION=0.1
 
 CC=gcc
 exec = buildsupport
 
-sources = $(wildcard ada/*.ad? c/*.c include/*.h)
+all: $(exec)
 
-all: checkVersion $(exec)
-
-checkVersion:
-#ifeq ($(UNAME),Linux)
-#	@if [ $(GCCVERSION) -ne 1 ] ; then echo gcc must point to GNAT... check your PATH ; exit 1 ; fi
-#endif
-
-$(exec): $(sources)
+$(exec):
 ifeq ($(UNAME), Linux)
 	@echo "package Buildsupport_Version is" > ada/buildsupport_version.ads.new
 	@echo -n "   Buildsupport_Release : constant String := \"" >> ada/buildsupport_version.ads.new
@@ -33,7 +24,8 @@ ifeq ($(UNAME), Linux)
 		fi ;                                    \
 	fi
 endif
-	ADA_PROJECT_PATH=`ocarina-config --prefix`/lib/gnat:$$ADA_PROJECT_PATH $(gnatpath)gprbuild -x -g $(exec) -p -P buildsupport.gpr -XBUILD="debug"
+	ADA_PROJECT_PATH=`ocarina-config --prefix`/lib/gnat:$$ADA_PROJECT_PATH \
+            $(gnatpath)gprbuild -x -g $(exec) -p -P buildsupport.gpr -XBUILD="debug"
 
 install:
 	$(MAKE)