PLATFORM_CPPFLAGS =
PLATFORM_LDFLAGS =
-#
-# When cross-compiling on NetBSD, we have to define __PPC__ or else we
-# will pick up a va_list declaration that is incompatible with the
-# actual argument lists emitted by the compiler.
-#
-# [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]
-
-ifeq ($(ARCH),ppc)
-ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
-PLATFORM_CPPFLAGS+= -D__PPC__
-endif
-ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
-PLATFORM_CPPFLAGS+= -D__PPC__
-endif
-endif
-
-ifeq ($(ARCH),arm)
-ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
-PLATFORM_CPPFLAGS+= -D__ARM__
-endif
-ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
-PLATFORM_CPPFLAGS+= -D__ARM__
-endif
-endif
-
-ifdef ARCH
-sinclude $(TOPDIR)/$(ARCH)_config.mk # include architecture dependend rules
-endif
-ifdef CPU
-sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules
-endif
-ifdef SOC
-sinclude $(TOPDIR)/cpu/$(CPU)/$(SOC)/config.mk # include SoC specific rules
-endif
-ifdef VENDOR
-BOARDDIR = $(VENDOR)/$(BOARD)
-else
-BOARDDIR = $(BOARD)
-endif
-ifdef BOARD
-sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules
-endif
-
-# Load generated board configuration
-sinclude $(OBJTREE)/include/autoconf.mk
-
#########################################################################
-CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
- else if [ -x /bin/bash ]; then echo /bin/bash; \
- else echo sh; fi ; fi)
-
-ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
+ifeq ($(HOSTOS),darwin)
HOSTCC = cc
else
HOSTCC = gcc
OBJDUMP = $(CROSS_COMPILE)objdump
RANLIB = $(CROSS_COMPILE)RANLIB
+#########################################################################
+
+# Load generated board configuration
+sinclude $(OBJTREE)/include/autoconf.mk
+
+ifdef ARCH
+sinclude $(TOPDIR)/$(ARCH)_config.mk # include architecture dependend rules
+endif
+ifdef CPU
+sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules
+endif
+ifdef SOC
+sinclude $(TOPDIR)/cpu/$(CPU)/$(SOC)/config.mk # include SoC specific rules
+endif
+ifdef VENDOR
+BOARDDIR = $(VENDOR)/$(BOARD)
+else
+BOARDDIR = $(BOARD)
+endif
+ifdef BOARD
+sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules
+endif
+
+#########################################################################
+
ifneq (,$(findstring s,$(MAKEFLAGS)))
ARFLAGS = cr
else
gccincdir := $(shell $(CC) -print-file-name=include)
CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \
- -D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE) \
+ -D__KERNEL__
+ifneq ($(TEXT_BASE),)
+CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE)
+endif
ifneq ($(OBJTREE),$(SRCTREE))
CPPFLAGS += -I$(OBJTREE)/include2 -I$(OBJTREE)/include
endif
CPPFLAGS += -I$(TOPDIR)/include
-CPPFLAGS += -fno-builtin -ffreestanding -nostdinc \
+CPPFLAGS += -fno-builtin -ffreestanding -nostdinc \
-isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
ifdef BUILD_TAG
CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes
endif
+CFLAGS += $(call cc-option,-fno-stack-protector)
+
# avoid trigraph warnings while parsing pci.h (produced by NIOS gcc-2.9)
# this option have to be placed behind -Wall -- that's why it is here
ifeq ($(ARCH),nios)
AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS)
-LDFLAGS += -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
+LDFLAGS += -Bstatic -T $(LDSCRIPT) $(PLATFORM_LDFLAGS)
+ifneq ($(TEXT_BASE),)
+LDFLAGS += -Ttext $(TEXT_BASE)
+endif
# Location of a usable BFD library, where we define "usable" as
# "built for ${HOST}, supports ${TARGET}". Sensible values are
#
# So far, this is used only by tools/gdb/Makefile.
-ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
+ifeq ($(HOSTOS),darwin)
BFD_ROOT_DIR = /usr/local/tools
else
ifeq ($(HOSTARCH),$(ARCH))
endif
endif
-ifeq ($(PCI_CLOCK),PCI_66M)
-CFLAGS := $(CFLAGS) -DPCI_66M
-endif
-
#########################################################################
-export CONFIG_SHELL HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE \
- AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP \
- MAKE
+export HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE \
+ AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP MAKE
export TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
#########################################################################
-ifndef REMOTE_BUILD
-
-%.s: %.S
- $(CPP) $(AFLAGS) -o $@ $<
-%.o: %.S
- $(CC) $(AFLAGS) -c -o $@ $<
-%.o: %.c
- $(CC) $(CFLAGS) -c -o $@ $<
-
-else
-
+# Allow boards to use custom optimize flags on a per dir/file basis
+BCURDIR := $(notdir $(CURDIR))
$(obj)%.s: %.S
- $(CPP) $(AFLAGS) -o $@ $<
+ $(CPP) $(AFLAGS) $(AFLAGS_$(@F)) $(AFLAGS_$(BCURDIR)) -o $@ $<
$(obj)%.o: %.S
- $(CC) $(AFLAGS) -c -o $@ $<
+ $(CC) $(AFLAGS) $(AFLAGS_$(@F)) $(AFLAGS_$(BCURDIR)) -o $@ $< -c
$(obj)%.o: %.c
- $(CC) $(CFLAGS) -c -o $@ $<
-endif
+ $(CC) $(CFLAGS) $(CFLAGS_$(@F)) $(CFLAGS_$(BCURDIR)) -o $@ $< -c
+$(obj)%.i: %.c
+ $(CPP) $(CFLAGS) $(CFLAGS_$(@F)) $(CFLAGS_$(BCURDIR)) -o $@ $< -c
+$(obj)%.s: %.c
+ $(CC) $(CFLAGS) $(CFLAGS_$(@F)) $(CFLAGS_$(BCURDIR)) -o $@ $< -c -S
#########################################################################