Marek Vasut fb75a2bb53 nios2: Fix libgcc location detection
The extra CFLAGS required for correct operation of the toolchain are not
propagated into the libgcc detection code. In case of the compiler from
poky sdk, these extra CFLAGS contain the location of compiler sysroot
(the --sysroot= option) and without this option, the location of libgcc
is not properly reported. Add the missing CFLAGS to address this issue.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Romain Perier <romain.perier@free-electrons.com>
Acked-by: Romain Perier <romain.perier@free-electrons.com>
Acked-by: Ley Foon Tan <lftan@altera.com>
2016-05-17 14:31:20 +08:00

76 lines
2.4 KiB
Makefile

#
# This file is subject to the terms and conditions of the GNU General Public
# License. See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (C) 2013 Altera Corporation
# Copyright (C) 1994, 95, 96, 2003 by Wind River Systems
# Written by Fredrik Markstrom
#
# This file is included by the global makefile so that you can add your own
# architecture-specific flags and dependencies. Remember to do have actions
# for "archclean" cleaning up for this architecture.
#
# Nios2 port by Wind River Systems Inc trough:
# fredrik.markstrom@gmail.com and ivarholmqvist@gmail.com
KBUILD_DEFCONFIG := 3c120_defconfig
UTS_SYSNAME = Linux
export MMU
LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
KBUILD_CFLAGS += -pipe -D__linux__ -D__ELF__
KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MUL_SUPPORT),-mhw-mul,-mno-hw-mul)
KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MULX_SUPPORT),-mhw-mulx,-mno-hw-mulx)
KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_DIV_SUPPORT),-mhw-div,-mno-hw-div)
KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_FPU_SUPPORT),-mcustom-fpu-cfg=60-1,)
KBUILD_CFLAGS += -fno-optimize-sibling-calls
KBUILD_CFLAGS += -DUTS_SYSNAME=\"$(UTS_SYSNAME)\"
KBUILD_CFLAGS += -fno-builtin
KBUILD_CFLAGS += -G 0
head-y := arch/nios2/kernel/head.o
libs-y += arch/nios2/lib/ $(LIBGCC)
core-y += arch/nios2/kernel/ arch/nios2/mm/
core-y += arch/nios2/platform/
INSTALL_PATH ?= /tftpboot
nios2-boot := arch/$(ARCH)/boot
BOOT_TARGETS = vmImage zImage
PHONY += $(BOOT_TARGETS) install
KBUILD_IMAGE := $(nios2-boot)/vmImage
ifneq ($(CONFIG_NIOS2_DTB_SOURCE),"")
core-y += $(nios2-boot)/
endif
all: vmImage
archclean:
$(Q)$(MAKE) $(clean)=$(nios2-boot)
%.dtb:
$(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
dtbs:
$(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
$(BOOT_TARGETS): vmlinux
$(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
install:
$(Q)$(MAKE) $(build)=$(nios2-boot) BOOTIMAGE=$(KBUILD_IMAGE) install
define archhelp
echo '* vmImage - Kernel-only image for U-Boot ($(KBUILD_IMAGE))'
echo ' install - Install kernel using'
echo ' (your) ~/bin/$(INSTALLKERNEL) or'
echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
echo ' install to $$(INSTALL_PATH)'
echo ' dtbs - Build device tree blobs for enabled boards'
endef