StackGuard compiler patch for 2.4.0-prerelease

StackGuard compiler patch for 2.4.0-prerelease

[Greg KH]

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Due to some prodding from a /. post, here's the updated patch to enable
the StackGuard version of gcc be able to compile a 2.4.0-prerelease
kernel properly.

This patch is also available at:
	http://immunix.org/ImmunixOS/7.0-beta/i386/extras/

thanks,

greg k-h

-- 
greg@(kroah|wirex).com
http://immunix.org/~greg

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diff -Naur -X /home/greg/linux/dontdiff linux-2.4.0-prerelease/Makefile linux-2.4.0-prerelease-greg/Makefile
--- linux-2.4.0-prerelease/Makefile	Tue Jan  2 10:26:10 2001
+++ linux-2.4.0-prerelease-greg/Makefile	Tue Jan  2 10:31:04 2001
@@ -227,6 +227,10 @@
 
 include arch/$(ARCH)/Makefile
 
+# if we have a StackGuard compiler, then we need to turn off the canary death handler stuff
+CFLAGS	+= $(shell if $(CC) -fno-canary-all-functions -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-fno-canary-all-functions"; fi)
+CFLAGS	+= $(shell if $(CC) -mno-terminator-canary -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-mno-terminator-canary"; fi)
+
 export	CPPFLAGS CFLAGS AFLAGS
 
 export	NETWORKS DRIVERS LIBS HEAD LDFLAGS LINKFLAGS MAKEBOOT ASFLAGS
diff -Naur -X /home/greg/linux/dontdiff linux-2.4.0-prerelease/arch/i386/boot/compressed/Makefile linux-2.4.0-prerelease-greg/arch/i386/boot/compressed/Makefile
--- linux-2.4.0-prerelease/arch/i386/boot/compressed/Makefile	Tue Mar  7 11:04:12 2000
+++ linux-2.4.0-prerelease-greg/arch/i386/boot/compressed/Makefile	Tue Jan  2 10:31:04 2001
@@ -12,6 +12,12 @@
 CFLAGS = $(CPPFLAGS) -O2 -DSTDC_HEADERS
 ZLDFLAGS = -e startup_32
 
+# if we have a StackGuard compiler, then we need to turn off the canary death handler stuff
+CFLAGS += $(shell if $(CC) -fno-canary-all-functions -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-fno-canary-all-functions"; fi)
+CFLAGS += $(shell if $(CC) -mno-terminator-canary -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-mno-terminator-canary"; fi)
+
+
+
 #
 # ZIMAGE_OFFSET is the load offset of the compression loader
 # BZIMAGE_OFFSET is the load offset of the high loaded compression loader