Patch by Scott McNutt, 25 Apr 2004:

[u-boot] / config.mk

diff --git a/config.mk b/config.mk
index 4dc350fe612695aef1217f71a39d0b3f93c3631b..218239120374bddcf46fce51e6c1657ac0406dbf 100644 (file)
--- a/config.mk
+++ b/config.mk
@@ -102,16 +102,18 @@ RELFLAGS= $(PLATFORM_RELFLAGS)
 DBGFLAGS= -g #-DDEBUG
 OPTFLAGS= -Os #-fomit-frame-pointer
 ifndef LDSCRIPT
-#LDSCRIPT := board/$(BOARDDIR)/u-boot.lds.debug
+#LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
 endif
 OBJCFLAGS += --gap-fill=0xff
 
+gccincdir := $(shell $(CC) -print-file-name=include)
+
 CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS)                \
        -D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE)           \
        -I$(TOPDIR)/include                             \
-       -fno-builtin                                    \
-       -pipe $(PLATFORM_CPPFLAGS)
+       -fno-builtin -ffreestanding -nostdinc -isystem  \
+       $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
 
 ifdef BUILD_TAG
 CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \
@@ -120,6 +122,14 @@ else
 CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes
 endif
 
+# avoid trigraph warnings while parsing pci.h (produced by NIOS gcc-2.9)
+# this option have to be placed behind -Wall -- that's why it is here
+ifeq ($(ARCH),nios)
+ifeq ($(findstring 2.9,$(shell $(CC) --version)),2.9)
+CFLAGS := $(CPPFLAGS) -Wall -Wno-trigraphs
+endif
+endif
+
 AFLAGS_DEBUG := -Wa,-gstabs
 AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS)