Yay! You have no idea how happy I am to push this patch up.
No more -fno-stack-protector hacks (at least for v3).
Jordan
[PATCH][v3] Add automatic detection for -fno-stack-protector
This borrows the cc-option call from the kernel to check if
-fno-stack-protector is supported by the compiler, and if it is,
then enable it.
Signed-off-by: Jordan Crouse <[EMAIL PROTECTED]>
Index: LinuxBIOSv3/Makefile
===================================================================
--- LinuxBIOSv3.orig/Makefile 2007-07-02 17:21:19.000000000 -0600
+++ LinuxBIOSv3/Makefile 2007-07-02 17:26:32.000000000 -0600
@@ -32,6 +32,19 @@
obj := $(shell pwd)/build
export src obj
+# These functions are called by the kernel - we use these below
+# to check for -fno-stack-protector
+
+try-run= $(shell set -e; \
+ TMP=".$$$$.tmp"; \
+ if ($(1)) > /dev/null 2>&1; \
+ then echo "$(2)"; \
+ else echo "$(3)"; \
+ fi; rm -rf "$$TMP")
+
+cc-option=$(call try-run,\
+ $(CC) $(1) -S -xc /dev/null -o "$$TMP", $(1), $(2))
+
# Do not print "Entering directory ...".
MAKEFLAGS += --no-print-directory
@@ -42,6 +55,11 @@
-mpreferred-stack-boundary=2 -mregparm=3 -pipe
# FIXME: Does stack boundary or regparm break the code on real hardware?
+# Add in automagic detection for -fno-stack-protector
+# This is borrowed from the kernel 2.6 scripts
+
+CFLAGS += $(call cc-option, -fno-stack-protector,)
+
HOSTCC := gcc
HOSTCXX := g++
HOSTCFLAGS := -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \
--
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