uclibc-ng/Makefile.in

# Makefile for uClibc
#
# Copyright (C) 2000-2008 Erik Andersen <andersen@uclibc.org>
#
# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
#

#--------------------------------------------------------------
# You shouldn't need to mess with anything beyond this point...
#--------------------------------------------------------------
clean_targets := clean realclean distclean \
	objclean-y headers_clean-y utils_clean
noconfig_targets := menuconfig config oldconfig silentoldconfig randconfig \
	defconfig allyesconfig allnoconfig \
	release dist tags help

include $(top_builddir)Rules.mak
sub_headers := headers

ifeq ($(HAVE_DOT_CONFIG),y)

all: pregen libs
libs: pregen

# In this section, we need .config
-include .config.cmd

else # ifeq ($(HAVE_DOT_CONFIG),y)

all: menuconfig

headers:
	@echo "Need to make a config file first, run: make menuconfig"
	@false

endif # ifeq ($(HAVE_DOT_CONFIG),y)

include $(top_srcdir)ldso/Makefile.in
include $(top_srcdir)libcrypt/Makefile.in
include $(top_srcdir)libintl/Makefile.in
include $(top_srcdir)libm/Makefile.in
include $(top_srcdir)libnsl/Makefile.in
include $(top_srcdir)libresolv/Makefile.in
include $(top_srcdir)libutil/Makefile.in
include $(top_srcdir)libpthread/Makefile.in
include $(top_srcdir)librt/Makefile.in
include $(top_srcdir)extra/locale/Makefile.in

# last included to catch all the objects added by others (locales/threads)
include $(top_srcdir)libc/Makefile.in

ifeq ($(HAVE_DOT_CONFIG),y)
# If the .config changes then we have to make sure that our includes are
# updated properly. This would normally work by saying that the headers
# have uClibc_config.h as prerequisite but since we _symlink_ the headers
# and do not (?) want to rely on 'make -L' we better update them right here,
# on spot to save us from alot of hazzle.
include/bits/uClibc_config.h: extra/config/conf .config $(top_srcdir)extra/scripts/conf-header.sh | include/bits
	@$(disp_gen)
	$(Q)@$< -s $(top_srcdir)extra/Configs/Config.in
	$(Q)$(top_srcdir)extra/scripts/conf-header.sh .config > $@
	$(Q)$(MAKE) headers-y

# The above doesn't work for threads, though. Just using check-symlinks for now.
# XXX: FIXME: this is ugly
MAKEFLAGS += -L
include/config/linuxthreads/old.h include/config/linuxthreads/new.h:
	@true

# For the moment, we have to keep re-running this target
# because the fix includes scripts rely on pre-processers
# in order to generate the headers correctly :(.  That
# means we can't use the $(HOSTCC) in order to get the
# correct output.
ifeq ($(ARCH_USE_MMU),y)
export header_extra_args =
else
export header_extra_args = -n
endif
HEADERS_BITS_COMMON := $(notdir $(wildcard $(top_srcdir)libc/sysdeps/linux/common/bits/*.h))
HEADERS_BITS_ARCH   := $(notdir $(wildcard $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/bits/*.h))
HEADERS_BITS_SUBARCH :=
ifneq ($(TARGET_SUBARCH),)
HEADERS_BITS_SUBARCH := $(notdir $(wildcard $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/bits/$(TARGET_SUBARCH)/*.h))
endif
HEADERS_BITS_COMMON := $(filter-out $(HEADERS_BITS_ARCH) $(HEADERS_BITS_SUBARCH) $(HEADERS_BITS_PTHREAD),$(HEADERS_BITS_COMMON))

HEADERS_SYS_COMMON := $(notdir $(wildcard $(top_srcdir)libc/sysdeps/linux/common/sys/*.h))
HEADERS_SYS_ARCH := $(notdir $(wildcard $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/sys/*.h))
HEADERS_SYS_COMMON := $(filter-out $(HEADERS_SYS_ARCH),$(HEADERS_SYS_COMMON))

ALL_HEADERS_COMMON       := include/fpu_control.h include/dl-osinfo.h \
				include/hp-timing.h
ALL_HEADERS_BITS_COMMON  := $(addprefix include/bits/,$(HEADERS_BITS_COMMON))
ALL_HEADERS_BITS_ARCH    := $(addprefix include/bits/,$(HEADERS_BITS_ARCH))
ifneq ($(TARGET_SUBARCH),)
ALL_HEADERS_BITS_SUBARCH := $(addprefix include/bits/,$(HEADERS_BITS_SUBARCH))
else
ALL_HEADERS_BITS_SUBARCH :=
endif
ALL_HEADERS_SYS_COMMON   := $(addprefix include/sys/,$(HEADERS_SYS_COMMON))
ALL_HEADERS_SYS_ARCH     := $(addprefix include/sys/,$(HEADERS_SYS_ARCH))

target-headers-sysdep := \
	$(ALL_HEADERS_COMMON) \
	$(ALL_HEADERS_BITS_COMMON) \
	$(ALL_HEADERS_BITS_ARCH) \
	$(ALL_HEADERS_BITS_SUBARCH) \
	$(ALL_HEADERS_SYS_COMMON) \
	$(ALL_HEADERS_SYS_ARCH)

include/fpu_control.h:
	@$(disp_ln)
	$(Q)[ -r libc/sysdeps/linux/$(TARGET_ARCH)/$(@F) ] && \
		$(LN) -fs ../libc/sysdeps/linux/$(TARGET_ARCH)/$(@F) $@ || \
		$(LN) -fs ../libc/sysdeps/linux/common/$(@F) $@

include/dl-osinfo.h include/hp-timing.h:
	$(do_ln) ../libc/sysdeps/linux/common/$(@F) $@

$(ALL_HEADERS_BITS_COMMON):
	$(do_ln) ../../libc/sysdeps/linux/common/bits/$(@F) $@

$(ALL_HEADERS_BITS_ARCH):
	$(do_ln) ../../libc/sysdeps/linux/$(TARGET_ARCH)/bits/$(@F) $@

ifneq ($(TARGET_SUBARCH),)
$(ALL_HEADERS_BITS_SUBARCH):
	$(do_ln) ../../../libc/sysdeps/linux/$(TARGET_ARCH)/bits/$(TARGET_SUBARCH)/$(@F) $@
endif

ifneq ($(strip $(ALL_HEADERS_SYS_COMMON)),)
$(ALL_HEADERS_SYS_COMMON):
	$(do_ln) ../../libc/sysdeps/linux/common/sys/$(@F) $@
endif

ifneq ($(strip $(ALL_HEADERS_SYS_ARCH)),)
$(ALL_HEADERS_SYS_ARCH):
	$(do_ln) ../../libc/sysdeps/linux/$(TARGET_ARCH)/sys/$(@F) $@
endif

$(target-headers-sysdep): | include/bits

sysdep_common_headers-clean:
	$(RM) $(ALL_HEADERS_COMMON)
headers_clean-y += sysdep_common_headers-clean

# The headers. Arch specific headers are specified via ARCH_HEADERS in
# libc/sysdeps/linux/$(TARGET_ARCH)/Makefile.arch which appends those via
# libc/sysdeps/linux/Makefile.commonarch to headers-y
headers-y += $(target-headers-sysdep)

headers: include/bits/uClibc_config.h

pregen: include/bits/sysnum.h headers

include/bits/sysnum.h: $(top_srcdir)extra/scripts/gen_bits_syscall_h.sh
	$(Q)$(INSTALL) -d $(@D)
	@$(disp_gen)
	$(Q)set -e; \
	cd $(top_builddir); \
	tmp=`mktemp include/bits/sysnum.h.XXXXXX 2>/dev/null || true`; \
	[ -z "$$tmp" ] && tmp='include/bits/sysnum.h.new'; \
	KERNEL_HEADERS="${KERNEL_HEADERS}" top_builddir=. CC="$(CC) $(CPU_CFLAGS)" $(SHELL) extra/scripts/gen_bits_syscall_h.sh > $$tmp; \
	if cmp include/bits/sysnum.h $$tmp >/dev/null 2>&1; then \
		$(RM) $$tmp; \
	else \
		mv -f $$tmp include/bits/sysnum.h; \
	fi
	@# Ugly linux specific hack..
	$(Q)if grep -q __NR_ $@; then true; else \
		rm -f $@; \
		echo "ERROR: Could not generate syscalls."; \
		echo "Make sure that you have proper kernel headers."; \
		echo "Your .config in KERNEL_HEADERS=\"\" was set to:"; \
		echo "${KERNEL_HEADERS}"; \
		exit 1; \
	fi

$(LOCAL_INSTALL_PATH):
	$(Q)$(MAKE) PREFIX=$(shell pwd)/$(LOCAL_INSTALL_PATH) RUNTIME_PREFIX=/ \
	DEVEL_PREFIX=/usr/ \
	HOSTCC="$(HOSTCC)" \
	install

install: install_runtime install_dev


RUNTIME_PREFIX_LIB_FROM_DEVEL_PREFIX_LIB=$(shell $(top_srcdir)extra/scripts/relative_path.sh $(DEVEL_PREFIX)lib $(RUNTIME_PREFIX)lib)

$(top_builddir)extra/scripts/unifdef: $(top_srcdir)extra/scripts/unifdef.c
	$(hcompile.u)

# Installs header files.
# a "y" here means the feature is enabled and so we should *not* rm it.
# if the option expands to nothing though, we can punt the headers.
HEADERS_RM- := \
	dl-osinfo.h \
	_lfs_64.h \
	bits/kernel_sigaction.h \
	bits/kernel_stat.h \
	bits/kernel_types.h \
	bits/utmpx.h \
	bits/uClibc_errno.h \
	bits/uClibc_uintmaxtostr.h \
	atomic.h \
	bits/atomic.h \
	bits/sigcontextinfo.h \
	bits/stackinfo.h \
	tls.h
	# gcc 4.3.1 needs it, dont rm:
	#bits/uClibc_arch_features.h
HEADERS_RM-$(UCLIBC_HAS_FLOATS) += \
	complex.h \
	fpu_control.h \
	ieee754.h \
	math.h \
	tgmath.h \
	bits/uClibc_fpmax.h \
	bits/math*.h
HEADERS_RM-$(UCLIBC_HAS_GNU_GETOPT)$(UCLIBC_HAS_GETOPT_LONG) += getopt.h
HEADERS_RM-$(UCLIBC_HAS_REALTIME) += \
	mqueue.h \
	bits/mqueue.h \
	sched.h \
	bits/sched.h \
	semaphore.h
HEADERS_RM-$(UCLIBC_HAS_THREADS) += \
	*thread*.h \
	semaphore.h \
	bits/*thread*.h \
	bits/initspin.h
HEADERS_RM-$(UCLIBC_LINUX_SPECIFIC) += \
	sys/fsuid.h \
	sys/inotify.h \
	sys/perm.h \
	sys/personality.h \
	sys/prctl.h \
	sys/reboot.h \
	sys/sendfile.h \
	sys/signalfd.h \
	bits/statfs.h \
	sys/statfs.h \
	sys/swap.h \
	sys/sysctl.h \
	sys/sysinfo.h \
	sys/vfs.h
HEADERS_RM-$(HAVE_SHARED)                    += dlfcn.h bits/dlfcn.h
HEADERS_RM-$(PTHREADS_DEBUG_SUPPORT)         += thread_db.h
HEADERS_RM-$(UCLIBC_HAS_BSD_ERR)             += err.h
HEADERS_RM-$(UCLIBC_HAS_CRYPT)               += crypt.h
HEADERS_RM-$(UCLIBC_HAS_EPOLL)               += sys/epoll.h
HEADERS_RM-$(UCLIBC_HAS_FENV)                += fenv.h bits/fenv.h bits/fenvinline.h
HEADERS_RM-$(UCLIBC_HAS_FTW)                 += ftw.h
HEADERS_RM-$(UCLIBC_HAS_GETTEXT_AWARENESS)   += libintl.h
HEADERS_RM-$(UCLIBC_HAS_GLIBC_CUSTOM_PRINTF) += printf.h
HEADERS_RM-$(UCLIBC_HAS_GLOB)                += glob.h
HEADERS_RM-$(UCLIBC_HAS_GNU_ERROR)           += error.h
HEADERS_RM-$(UCLIBC_HAS_IPV6)                += netinet/ip6.h netinet/icmp6.h
HEADERS_RM-$(UCLIBC_HAS_LOCALE)              += iconv.h
HEADERS_RM-$(UCLIBC_HAS_PTY)                 += pty.h
HEADERS_RM-$(UCLIBC_HAS_REGEX)               += regex.h regexp.h
HEADERS_RM-$(UCLIBC_HAS_RPC)                 += rpc
HEADERS_RM-$(UCLIBC_HAS_SHADOW)              += shadow.h
HEADERS_RM-$(UCLIBC_HAS_SOCKET)              += sys/socket.h bits/socket.h sys/socketvar.h
HEADERS_RM-$(UCLIBC_HAS_SYSLOG)              += syslog.h sys/syslog.h bits/syslog*.h
HEADERS_RM-$(UCLIBC_HAS_WCHAR)               += wchar.h wctype.h
HEADERS_RM-$(UCLIBC_HAS_WORDEXP)             += wordexp.h
HEADERS_RM-$(UCLIBC_HAS_XATTR)               += sys/xattr.h
HEADERS_RM-$(UCLIBC_HAS_XLOCALE)             += xlocale.h
HEADERS_RM-$(UCLIBC_SUPPORT_AI_ADDRCONFIG)   += ifaddrs.h
HEADERS_RM-$(UCLIBC_SV4_DEPRECATED)          += ustat.h sys/ustat.h bits/ustat.h
HEADERS_RM-$(UCLIBC_SUSV3_LEGACY)            += sys/timeb.h regexp.h
	# BREAKAGE: include/signal.h uses it, this rm broke bbox compile:
	### ucontext.h

install_headers: headers $(top_builddir)extra/scripts/unifdef
	$(INSTALL) -d $(PREFIX)$(DEVEL_PREFIX)include
	top_builddir=$(top_builddir) \
	$(top_srcdir)extra/scripts/install_headers.sh include $(PREFIX)$(DEVEL_PREFIX)include
	# Disabled. If libc-internal.h is needed, document here why!
	#printf '#ifndef _LIBC_INTERNAL_H\n#define _LIBC_INTERNAL_H 1\n#endif\n' >$(PREFIX)$(DEVEL_PREFIX)include/libc-internal.h
	echo '/* Dont use _syscall#() macros; use the syscall() function */' > \
		$(PREFIX)$(DEVEL_PREFIX)include/bits/syscalls.h
	cd $(PREFIX)$(DEVEL_PREFIX)include && $(RM) -r $(HEADERS_RM-)

# Installs development library links.
install_dev: install_headers all
	$(INSTALL) -d $(PREFIX)$(DEVEL_PREFIX)lib
	-$(INSTALL) -m 644 lib/*.[ao] $(PREFIX)$(DEVEL_PREFIX)lib/
ifeq ($(HAVE_SHARED),y)
	for i in `find lib/ -type l -name 'lib[a-zA-Z]*.so' | \
	$(SED) -e 's/lib\///'` ; do \
		$(LN) -sf $(RUNTIME_PREFIX_LIB_FROM_DEVEL_PREFIX_LIB)$$i.$(MAJOR_VERSION) \
		$(PREFIX)$(DEVEL_PREFIX)lib/$$i; \
	done
ifeq ($(HARDWIRED_ABSPATH),y)
	if [ -f $(top_builddir)lib/libc.so -a -f $(PREFIX)$(RUNTIME_PREFIX)lib/$(SHARED_MAJORNAME) ] ; then \
		$(RM) $(PREFIX)$(DEVEL_PREFIX)lib/libc.so; \
		$(SED) -e 's:$(NONSHARED_LIBNAME):$(DEVEL_PREFIX)lib/$(NONSHARED_LIBNAME):' \
		    -e 's:$(SHARED_MAJORNAME):$(RUNTIME_PREFIX)lib/$(SHARED_MAJORNAME):' \
		    -e 's:$(UCLIBC_LDSO):$(RUNTIME_PREFIX)lib/$(UCLIBC_LDSO):' \
		    $(top_builddir)lib/libc.so > $(PREFIX)$(DEVEL_PREFIX)lib/libc.so; \
	fi
else
	-$(INSTALL) -m 644 lib/libc.so $(PREFIX)$(DEVEL_PREFIX)lib/
endif
ifeq ($(UCLIBC_HAS_THREADS),y)
ifneq ($(LINUXTHREADS_OLD),y)
ifeq ($(HARDWIRED_ABSPATH),y)
	if [ -f $(top_builddir)lib/libpthread.so -a -f $(PREFIX)$(RUNTIME_PREFIX)lib/libpthread.so.$(MAJOR_VERSION) ] ; then \
		$(RM) $(PREFIX)$(DEVEL_PREFIX)lib/libpthread.so; \
		cp $(top_srcdir)extra/scripts/format.lds $(PREFIX)$(DEVEL_PREFIX)lib/libpthread.so; \
		echo "GROUP ( $(RUNTIME_PREFIX)lib/libpthread.so.$(MAJOR_VERSION) $(DEVEL_PREFIX)lib/libpthread_nonshared.a )" \
			>> $(PREFIX)$(DEVEL_PREFIX)lib/libpthread.so; \
	fi
else
	-$(INSTALL) -m 644 lib/libpthread.so $(PREFIX)$(DEVEL_PREFIX)lib/
endif
endif
endif
ifeq ($(PTHREADS_DEBUG_SUPPORT),y)
	$(LN) -sf $(RUNTIME_PREFIX_LIB_FROM_DEVEL_PREFIX_LIB)libthread_db.so.1 \
		$(PREFIX)$(DEVEL_PREFIX)lib/libthread_db.so
endif
ifeq ($(DOPIC),y)
#	# If we build shared libraries then the static libs are PIC...
#	# Make _pic.a symlinks to make mklibs.py and similar tools happy.
	if [ -d lib ] ; then \
		for i in `find lib/ -type f -name 'lib*.a' | $(SED) -e 's/lib\///'` ; do \
			$(LN) -sf $$i $(PREFIX)$(DEVEL_PREFIX)lib/`echo $$i \
				| $(SED) -e 's/\.a$$/_pic.a/'`; \
		done ; \
	fi
endif
endif
ifeq ($(UCLIBC_FORMAT_SHARED_FLAT),y)
	for file in lib/lib*.gdb; do \
		if test -f $$file; then \
			$(INSTALL) -m 755 $$file $(PREFIX)$(DEVEL_PREFIX)lib; \
			$(INSTALL) -m 755 `echo $$file | $(SED) 's/\.gdb$$//'` \
			  $(PREFIX)$(DEVEL_PREFIX)lib; \
		fi; \
	done
endif

# Installs run-time libraries
install_runtime: all
ifeq ($(HAVE_SHARED),y)
	$(INSTALL) -d $(PREFIX)$(RUNTIME_PREFIX)lib
	$(INSTALL) -m 644 lib/lib*-$(VERSION).so \
		$(PREFIX)$(RUNTIME_PREFIX)lib
	(cd lib && $(TAR) -cf - *.so.*) | $(TAR) -xf - -C $(PREFIX)$(RUNTIME_PREFIX)lib
	@if [ -x lib/$(UCLIBC_LDSO_NAME)-$(VERSION).so ] ; then \
		set -e; \
		$(SHELL_SET_X); \
		$(INSTALL) -m 755 lib/$(UCLIBC_LDSO_NAME)-$(VERSION).so \
			$(PREFIX)$(RUNTIME_PREFIX)lib; \
	fi
endif

utils:
	$(Q)$(MAKE) CROSS="$(CROSS)" CC="$(CC)" -C utils

# Installs helper applications, such as 'ldd' and 'ldconfig'
install_utils: utils
	$(MAKE) CROSS="$(CROSS)" CC="$(CC)" -C utils utils_install

endif # ifeq ($(HAVE_DOT_CONFIG),y)

hostutils:
	$(Q)$(MAKE) CROSS="$(CROSS)" CC="$(CC)" HOSTCC="$(HOSTCC)" -C utils hostutils

install_hostutils: hostutils
	$(MAKE) CROSS="$(CROSS)" CC="$(CC)" -C utils utils_install DOTHOST=.host

include/bits include/config:
	@$(disp_mkdir)
	$(Q)$(INSTALL) -d $@

# configuration
# ---------------------------------------------------------------------------
extra/config/conf extra/config/mconf: | include/config
	$(Q)$(MAKE) -C extra/config $(notdir $@)

menuconfig: extra/config/mconf
	$(Q)./extra/config/mconf extra/Configs/Config.in

config: extra/config/conf
	$(Q)./extra/config/conf extra/Configs/Config.in

oldconfig: extra/config/conf
	$(Q)./extra/config/conf -o extra/Configs/Config.in

silentoldconfig: extra/config/conf
	$(Q)./extra/config/conf -s extra/Configs/Config.in

randconfig: extra/config/conf
	$(Q)./extra/config/conf -r extra/Configs/Config.in

allyesconfig: extra/config/conf
	$(Q)./extra/config/conf -y extra/Configs/Config.in
	$(SED) -i -e "s/^DODEBUG=.*/# DODEBUG is not set/" .config
	$(SED) -i -e "s/^DOASSERTS=.*/# DOASSERTS is not set/" .config
	$(SED) -i -e "s/^SUPPORT_LD_DEBUG_EARLY=.*/# SUPPORT_LD_DEBUG_EARLY is not set/" .config
	$(SED) -i -e "s/^SUPPORT_LD_DEBUG=.*/# SUPPORT_LD_DEBUG is not set/" .config
	$(SED) -i -e "s/^UCLIBC_MJN3_ONLY=.*/# UCLIBC_MJN3_ONLY is not set/" .config
	$(Q)./extra/config/conf -o extra/Configs/Config.in

allnoconfig: extra/config/conf
	$(Q)./extra/config/conf -n extra/Configs/Config.in

defconfig: extra/config/conf
	$(Q)./extra/config/conf -d extra/Configs/Config.in \
		-D extra/Configs/defconfigs/$(ARCH)

include_clean:
	$(Q)$(RM) include/fpu_control.h include/dl-osinfo.h include/hp-timing.h
	@set -e; \
	for i in `(cd libc/sysdeps/linux/common/sys; ls *.h)` ; do \
		$(RM) include/sys/$$i; \
	done; \
	if [ -d libc/sysdeps/linux/$(TARGET_ARCH)/sys ] ; then \
		for i in `(cd libc/sysdeps/linux/$(TARGET_ARCH)/sys; ls *.h)` ; do \
			$(RM) include/sys/$$i; \
		done; \
	fi

clean: include_clean
	$(Q)$(RM) -r lib include/bits
	@$(MAKE) -C utils utils_clean
	+$(MAKE) -s -C test clean
	@$(RM) include/linux include/asm*
	$(Q)$(RM) $(top_builddir)extra/scripts/unifdef
	$(Q)$(RM) -r $(LOCAL_INSTALL_PATH)

distclean: clean
	-find . \( -name core -o -name \*.orig -o -name \*~ -o -name .\*.dep \) -exec $(RM) {} \;
	$(RM) .config .config.old .config.cmd
	$(RM) extra/locale/*.tgz
	$(MAKE) -C extra/config distclean

dist release:
	$(RM) -r ../uClibc-$(VERSION) ../uClibc-$(VERSION).tar.bz2
	svn -q export . ../uClibc-$(VERSION)
	$(TAR) cjf ../uClibc-$(VERSION).tar.bz2 -C .. uClibc-$(VERSION)
	du -b ../uClibc-$(VERSION).tar.bz2

test check: test_compile
	$(Q)$(MAKE) -C test

test_compile: $(LOCAL_INSTALL_PATH)
	$(Q)$(MAKE) -C test compile