# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
#
-#
-# Note: This does not read the top level Rules.mak file
-#
+.SUFFIXES:
-top_builddir = ../../
-TESTDIR=$(top_builddir)test/
+top_builddir ?= ../
+abs_top_builddir ?= $(shell cd $(top_builddir); pwd)/
--include $(top_builddir).config
+TESTDIR=$(top_builddir)test/
-UCLIBC_LDSO ?= $(firstword $(wildcard $(top_builddir)lib/ld*))
+include $(top_srcdir)Rules.mak
+ifeq ($(filter $(clean_targets) CLEAN_%,$(MAKECMDGOALS)),)
+ifeq ($(HAVE_DOT_CONFIG),)
+$(error no HAVE_DOT_CONFIG, failed to read .config)
+endif
+endif
+ifdef UCLIBC_LDSO
+ifeq (,$(findstring /,$(UCLIBC_LDSO)))
+UCLIBC_LDSO := $(UCLIBC_LDSO)
+else
+UCLIBC_LDSO := $(notdir $(UCLIBC_LDSO))
+endif
+else
+UCLIBC_LDSO := $(notdir $(firstword $(wildcard $(top_builddir)lib/ld*)))
+endif
+ifndef TEST_INSTALLED_UCLIBC
+ifeq ($(LDSO_SAFE_RUNPATH),y)
+UCLIBC_PATH := $(abs_top_builddir)lib
+else
+UCLIBC_PATH := $(top_builddir)lib
+endif
+else
+UCLIBC_PATH := $(RUNTIME_PREFIX)$(MULTILIB_DIR)
+endif
#--------------------------------------------------------
# Ensure consistent sort order, 'gcc -print-search-dirs' behavior, etc.
LC_ALL:= C
ifeq ($(strip $(TARGET_ARCH)),)
TARGET_ARCH:=$(shell $(CC) -dumpmachine | sed -e s'/-.*//' \
-e 's/i.86/i386/' \
- -e 's/sparc.*/sparc/' \
- -e 's/arm.*/arm/g' \
+ -e 's/sun.*/sparc/' -e 's/sparc.*/sparc/' \
+ -e 's/sa110/arm/' -e 's/arm.*/arm/g' \
-e 's/m68k.*/m68k/' \
+ -e 's/parisc.*/hppa/' \
-e 's/ppc/powerpc/g' \
-e 's/v850.*/v850/g' \
-e 's/sh[234]/sh/' \
- -e 's/mips-.*/mips/' \
- -e 's/mipsel-.*/mipsel/' \
+ -e 's/mips.*/mips/' \
-e 's/cris.*/cris/' \
+ -e 's/xtensa.*/xtensa/' \
)
endif
export TARGET_ARCH
+RM_R = $(Q)$(RM) -r
+LN_S = $(Q)$(LN) -fs
-#--------------------------------------------------------
-# If you are running a cross compiler, you will want to set 'CROSS'
-# to something more interesting... Target architecture is determined
-# by asking the CC compiler what arch it compiles things for, so unless
-# your compiler is broken, you should not need to specify TARGET_ARCH
-#
-# Most people will set this stuff on the command line, i.e.
-# make CROSS=mipsel-linux-
-# will build uClibc for 'mipsel'.
-
-CROSS = $(subst ",, $(strip $(CROSS_COMPILER_PREFIX)))
-CC = $(CROSS)gcc
-RM = rm -f
+ifneq ($(KERNEL_HEADERS),)
+ifeq ($(patsubst /%,/,$(KERNEL_HEADERS)),/)
+# Absolute path in KERNEL_HEADERS
+KERNEL_INCLUDES += -I$(KERNEL_HEADERS)
+else
+# Relative path in KERNEL_HEADERS
+KERNEL_INCLUDES += -I$(top_builddir)$(KERNEL_HEADERS)
+endif
+endif
-# Select the compiler needed to build binaries for your development system
-HOSTCC = gcc
+XCOMMON_CFLAGS := -I$(top_builddir)test -D_GNU_SOURCE
+XWARNINGS += $(CFLAG_-Wstrict-prototypes)
+CFLAGS := -nostdinc -I$(top_builddir)$(LOCAL_INSTALL_PATH)/usr/include
+CFLAGS += $(XCOMMON_CFLAGS) $(KERNEL_INCLUDES) $(CC_INC)
+CFLAGS += $(OPTIMIZATION) $(CPU_CFLAGS) $(XWARNINGS)
+$(eval $(call check-gcc-var,-Wno-missing-field-initializers))
+CFLAGS += $(CFLAG_-Wno-missing-field-initializers)
-#--------------------------------------------------------
-# A nifty macro to make testing gcc features easier
-check_gcc=$(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; \
- then echo "$(1)"; else echo "$(2)"; fi)
+# Can't add $(OPTIMIZATION) here, it may be target-specific.
+# Just adding -Os for now.
+HOST_CFLAGS += $(XCOMMON_CFLAGS) -Os $(XWARNINGS) -std=gnu99
-# use '-Os' optimization if available, else use -O2, allow Config to override
-# Override optimization settings when debugging
+LDFLAGS := $(CPU_LDFLAGS-y) -Wl,-z,now
ifeq ($(DODEBUG),y)
-OPTIMIZATION = -O0
+ CFLAGS += -g
+ HOST_CFLAGS += -g
+ LDFLAGS += -Wl,-g
+ HOST_LDFLAGS += -Wl,-g
else
-OPTIMIZATION += $(call check_gcc,-Os,-O2)
+ LDFLAGS += -Wl,-s
+ HOST_LDFLAGS += -Wl,-s
endif
-XWARNINGS := $(subst ",, $(strip $(WARNINGS))) -Wstrict-prototypes
-XARCH_CFLAGS := $(subst ",, $(strip $(ARCH_CFLAGS)))
-XCOMMON_CFLAGS := -D_GNU_SOURCE -I$(top_builddir)test
-CFLAGS += $(XWARNINGS) $(OPTIMIZATION) $(XCOMMON_CFLAGS) $(XARCH_CFLAGS) -I$(top_builddir)include
-HOST_CFLAGS += $(XWARNINGS) $(OPTIMIZATION) $(XCOMMON_CFLAGS)
+ifneq ($(HAVE_SHARED),y)
+ LDFLAGS += -Wl,-static -static-libgcc
+endif
-ifeq ($(DODEBUG),y)
- CFLAGS += -g
- HOST_CFLAGS += -g
- LDFLAGS += -g -Wl,-warn-common
- HOST_LDFLAGS += -g -Wl,-warn-common
+ifndef TEST_INSTALLED_UCLIBC
+LDFLAGS += -B$(UCLIBC_PATH) -Wl,-rpath,$(UCLIBC_PATH):$(shell pwd) -Wl,-rpath-link,$(UCLIBC_PATH):$(shell pwd)
else
- LDFLAGS += -s -Wl,-warn-common
- HOST_LDFLAGS += -s -Wl,-warn-common
+LDFLAGS += -Wl,-rpath,$(shell pwd)
endif
-ifneq ($(strip $(HAVE_SHARED)),y)
- LDFLAGS += -static
- HOST_LDFLAGS += -static
-endif
-LDFLAGS += -B$(top_builddir)lib -Wl,-rpath,$(top_builddir)lib -Wl,-rpath-link,$(top_builddir)lib
ifeq ($(findstring -static,$(LDFLAGS)),)
-LDFLAGS += -Wl,--dynamic-linker,$(UCLIBC_LDSO)
+LDFLAGS += -Wl,--dynamic-linker,$(UCLIBC_PATH)/$(UCLIBC_LDSO)
+endif
+
+ifeq ($(LDSO_GNU_HASH_SUPPORT),y)
+# Check for binutils support is done on root Rules.mak
+LDFLAGS += $(CFLAG_-Wl--hash-style=gnu)
endif
-# Filter output
-MAKEFLAGS += --no-print-directory
-ifneq ($(findstring s,$(MAKEFLAGS)),)
+ifneq ($(findstring -s,$(MAKEFLAGS)),)
DISP := sil
Q := @
SCAT := -@true
SCAT := -@true
endif
endif
+ifneq ($(Q),)
+MAKEFLAGS += --no-print-directory
+endif
banner := ---------------------------------
pur_showclean = echo " "CLEAN $(notdir $(CURDIR))
pur_showdiff = echo " "TEST_DIFF $(notdir $(CURDIR))/
pur_showlink = echo " "TEST_LINK $(notdir $(CURDIR))/ $@
-pur_showtest = echo " "TEST_EXEC $(notdir $(CURDIR))/ $@
+pur_showtest = echo " "TEST_EXEC $(notdir $(CURDIR))/ $(@:.exe=)
sil_showclean =
sil_showdiff = true
sil_showlink = true
ver_showclean =
ver_showdiff = true echo
ver_showlink = true echo
-ver_showtest = printf "\n$(banner)\nTEST $(notdir $(PWD))/ $@\n$(banner)\n"
+ver_showtest = printf "\n$(banner)\nTEST $(notdir $(CURDIR))/ $(@:.exe=)\n$(banner)\n"
do_showclean = $($(DISP)_showclean)
do_showdiff = $($(DISP)_showdiff)
do_showlink = $($(DISP)_showlink)
OSDN Git Service
