[klibc] Re: [BK PATCH] klibc for 2.5.63

[Sam Ravnborg]

On Mon, Feb 24, 2003 at 05:26:32PM -0800, H. Peter Anvin wrote:
> Greg has taken on the job of integrating klibc with the kernel, but
> please post klibc bug reports to the klibc mailing list at
> <klibc@zytor.com>.

To avoid annoying warning from gcc I had to check for compatibility with
-falign-* like we do in arch/i386/Makefile.
check_usergcc located in top-level makefile to allow other architectures
to use it later.
Also modified a few assignment to use :=.

On top of Gregh's latest bk tree.

	Sam

===== Makefile 1.385 vs edited =====
--- 1.385/Makefile	Mon Mar  3 18:17:13 2003
+++ edited/Makefile	Mon Mar  3 21:18:11 2003
@@ -933,4 +933,7 @@
 # Usage is deprecated, because make does not see this as an invocation of make.
 descend =$(Q)$(MAKE) -f scripts/Makefile.build obj=$(1) $(2)
 
+check_usergcc = $(shell if $(USERCC) $(1) -S -o /dev/null -xc /dev/null > \
+	/dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi)
+
 FORCE:
===== usr/lib/arch/i386/MCONFIG 1.1 vs edited =====
--- 1.1/usr/lib/arch/i386/MCONFIG	Sat Feb 15 23:53:51 2003
+++ edited/usr/lib/arch/i386/MCONFIG	Mon Mar  3 21:18:08 2003
@@ -13,12 +13,19 @@
 # them to be cdecl
 # REGPARM = -mregparm=3 -DREGPARM
 
-OPTFLAGS = $(REGPARM) -march=i386 -Os -fomit-frame-pointer \
-	   -malign-functions=0 -malign-jumps=0 -malign-loops=0
-BITSIZE  = 32
+#check_usergcc = $(shell if $(USERCC) $(1) -S -o /dev/null -xc /dev/null > \
+	/dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi)
+
+
+OPTFLAGS	:= $(REGPARM) -march=i386 -Os -fomit-frame-pointer
+OPTFLAGS	+= $(call check_usergcc, \
+		   -falign-functions=0 -falign-jumps=0 -falign-loops=0, \
+		   -malign-functions=0 -malign-jumps=0 -malign-loops=0)
+
+BITSIZE		:= 32
 
 # Extra linkflags when building the shared version of the library
 # This address needs to be reachable using normal inter-module
 # calls, and work on the memory models for this architecture
 # 96 MB - normal binaries start at 128 MB
-SHAREDFLAGS	= -Ttext 0x06000200
+SHAREDFLAGS	:= -Ttext 0x06000200