Closes #559084.
-g is more portable than -gstabs+
Allows building on ia64.
Fixed in next upstream version.
Index: b/demo/Makefile
===================================================================
--- a/demo/Makefile	2009-12-31 16:12:49.000000000 +0100
+++ b/demo/Makefile	2009-12-31 16:44:57.000000000 +0100
@@ -39,7 +39,7 @@
 
 test: gmp_macros.o
 gmp_macros.o: $(GMP_SRC_DIR)/gmp_macros.c
-	cc -c -fstack-check -g -gstabs+ -Wall $< -o $@
+	cc -c -fstack-check -g -Wall $< -o $@
 clean: c_clean
 c_clean:
 	rm -f gmp_macros.o
Index: b/demo/devel.gpr
===================================================================
--- a/demo/devel.gpr	2009-12-31 16:12:49.000000000 +0100
+++ b/demo/devel.gpr	2009-12-31 16:45:34.000000000 +0100
@@ -22,7 +22,7 @@
 
   package Compiler is
      for Default_Switches ("Ada")
-       use ("-fstack-check", "-g", "-gstabs+",
+       use ("-fstack-check", "-g",
             "-gnata", "-gnatE",
             "-gnatf", "-gnato",
             "-gnatq", "-gnatQ",
