From b3c3a1cb1ea1f906c38dbd5744645eeda8ca0eb0 Mon Sep 17 00:00:00 2001
From: Ben Gras <ben@minix3.org>
Date: Tue, 31 Aug 2010 16:42:44 +0000
Subject: [PATCH] gcc compiles - add -fno-builtin so that gcc optimisations
 don't break things.

  - kernel compile was broken with gcc as putchar() was added by gcc in
    stacktrace.c
  - add -fno-builtin everywhere to avoid such problems in the future
  - -fno-builtin in kernel now redundant
---
 kernel/Makefile     | 2 +-
 share/mk/bsd.gcc.mk | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/Makefile b/kernel/Makefile
index ae199c5ec..4a3d3160f 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -15,7 +15,7 @@ LDADD+=	-ltimers -lsys
 .if ${COMPILER_TYPE} == "ack"
 LDFLAGS+= -.o
 .elif ${COMPILER_TYPE} == "gnu"
-CPPFLAGS+= -fno-builtin -ffreestanding -fno-stack-protector
+CPPFLAGS+= -ffreestanding -fno-stack-protector
 LDFLAGS+= -T arch/${ARCH}/kernel.lds
 LDFLAGS+= -nostdlib -L/usr/gnu/lib
 CFLAGS+=-march=i386
diff --git a/share/mk/bsd.gcc.mk b/share/mk/bsd.gcc.mk
index 3a2b0185d..6554b76e2 100644
--- a/share/mk/bsd.gcc.mk
+++ b/share/mk/bsd.gcc.mk
@@ -1 +1,2 @@
 AFLAGS+=-D__ASSEMBLY__ -D_EM_WSIZE=4 -D__minix
+CFLAGS+= -fno-builtin
-- 
2.44.0