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# Makefile for uClibc
#
# Copyright (C) 2000-2003 Erik Andersen <andersen@uclibc.org>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU Library General
# Public License along with this program; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
# Boston, MA 02111-1307 USA


#--------------------------------------------------------------
# You shouldn't need to mess with anything beyond this point...
#--------------------------------------------------------------
noconfig_targets := menuconfig config oldconfig randconfig \
        defconfig allyesconfig allnoconfig clean distclean \
        release tags TAGS
TOPDIR=./
include Rules.mak

DIRS = ldso libc libcrypt libresolv libnsl libutil libm libpthread
ifeq ($(strip $(UCLIBC_HAS_GETTEXT_AWARENESS)),y)
        DIRS += libintl
endif

ifeq ($(strip $(HAVE_DOT_CONFIG)),y)

all: headers pregen subdirs shared finished

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

.PHONY: $(SHARED_TARGET)
shared: $(SHARED_TARGET)
ifeq ($(strip $(HAVE_SHARED)),y)
        @$(MAKE) -C libc shared
        @$(MAKE) -C ldso shared
        @$(MAKE) -C libcrypt shared
        @$(MAKE) -C libresolv shared
        @$(MAKE) -C libnsl shared
        @$(MAKE) -C libutil shared
        @$(MAKE) -C libm shared
        @$(MAKE) -C libpthread shared
ifeq ($(strip $(UCLIBC_HAS_GETTEXT_AWARENESS)),y)
        @$(MAKE) -C libintl shared
endif
else
ifeq ($(SHARED_TARGET),)
        @echo
        @echo Not building shared libraries...
        @echo
endif
endif

ifneq ($(SHARED_TARGET),)

lib/main.o: $(ROOTDIR)/lib/libc/main.c
        $(CC) $(CFLAGS) $(ARCH_CFLAGS) -c -o $@ $(ROOTDIR)/lib/libc/main.c

bogus $(SHARED_TARGET): lib/libc.a lib/main.o Makefile
        make -C $(ROOTDIR) relink
        $(CC) -nostartfiles -o $(SHARED_TARGET) $(ARCH_CFLAGS) -Wl,-elf2flt -nostdlib           \
                -Wl,-shared-lib-id,${LIBID}                             \
                lib/main.o \
                -Wl,--whole-archive,lib/libc.a,-lgcc,--no-whole-archive
        $(OBJCOPY) -L _GLOBAL_OFFSET_TABLE_ -L main -L __main -L _start \
                -L __uClibc_main -L __uClibc_start_main -L lib_main \
                -L _exit_dummy_ref              \
                -L __do_global_dtors -L __do_global_ctors               \
                -L __CTOR_LIST__ -L __DTOR_LIST__                       \
                -L _current_shared_library_a5_offset_                   \
                $(SHARED_TARGET).gdb
        $(LN) -sf $(SHARED_TARGET).gdb .
endif

finished: shared
        @echo
        @echo Finally finished compiling...
        @echo

#
# Target for uClinux distro
#
.PHONY: romfs
romfs:
        @if [ "$(CONFIG_BINFMT_SHARED_FLAT)" = "y" ]; then \
                [ -e $(ROMFSDIR)/lib ] || $(INSTALL) -d $(ROMFSDIR)/lib; \
                $(ROMFSINST) $(SHARED_TARGET) /lib/lib$(LIBID).so; \
        fi
ifeq ($(strip $(HAVE_SHARED)),y)
        $(INSTALL) -d $(ROMFSDIR)/lib
        $(INSTALL) -m 644 lib/lib*-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so \
                $(ROMFSDIR)/lib
        cp -fa lib/*.so.* $(ROMFSDIR)/lib/.
        @if [ -x lib/ld-uClibc-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so ] ; then \
            set -x -e; \
            $(INSTALL) -m 755 lib/ld-uClibc-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so \
                        $(ROMFSDIR)/lib; \
                $(ROMFSINST) -s \
                        /lib/ld-uClibc-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so \
                        /lib/ld-linux.so.2; \
        fi;
endif

include/bits/uClibc_config.h: .config
        @if [ ! -x ./extra/config/conf ] ; then \
            make -C extra/config conf; \
        fi;
        $(RM) -r include/bits
        $(INSTALL) -d include/bits
        @./extra/config/conf -o extra/Configs/Config.in

headers: include/bits/uClibc_config.h
ifeq ($(strip $(ARCH_HAS_MMU)),y)
        @set -x; ./extra/scripts/fix_includes.sh -k $(KERNEL_SOURCE) -t $(TARGET_ARCH)
else
        @set -x; ./extra/scripts/fix_includes.sh -k $(KERNEL_SOURCE) -t $(TARGET_ARCH) -n
endif
        @cd include/bits; \
        set -e; \
        for i in `ls ../../libc/sysdeps/linux/common/bits/*.h` ; do \
                $(LN) -fs $$i .; \
        done; \
        if [ -d ../../libc/sysdeps/linux/$(TARGET_ARCH)/bits ] ; then \
                for i in `ls ../../libc/sysdeps/linux/$(TARGET_ARCH)/bits/*.h` ; do \
                        $(LN) -fs $$i .; \
                done; \
        fi
        @cd include/sys; \
        set -e; \
        for i in `ls ../../libc/sysdeps/linux/common/sys/*.h` ; do \
                $(LN) -fs $$i .; \
        done; \
        if [ -d ../../libc/sysdeps/linux/$(TARGET_ARCH)/sys ] ; then \
                for i in `ls ../../libc/sysdeps/linux/$(TARGET_ARCH)/sys/*.h` ; do \
                        $(LN) -fs $$i .; \
                done; \
        fi
        @cd $(TOPDIR); \
        set -x -e; \
        TOPDIR=. CC="$(CC)" /bin/sh extra/scripts/gen_bits_syscall_h.sh > include/bits/sysnum.h.new; \
        if cmp include/bits/sysnum.h include/bits/sysnum.h.new >/dev/null 2>&1; then \
                $(RM) include/bits/sysnum.h.new; \
        else \
                mv -f include/bits/sysnum.h.new include/bits/sysnum.h; \
        fi
        $(MAKE) -C libc/sysdeps/linux/common headers
        $(MAKE) -C libc/sysdeps/linux/$(TARGET_ARCH) headers

# Command used to download source code
WGET:=wget --passive-ftp

LOCALE_DATA_FILENAME:=uClibc-locale-030818.tgz

pregen: headers
ifeq ($(strip $(UCLIBC_DOWNLOAD_PREGENERATED_LOCALE_DATA)),y)
        (cd extra/locale; \
        if [ ! -f $(LOCALE_DATA_FILENAME) ] ; then \
        $(WGET) http://www.uclibc.org/downloads/$(LOCALE_DATA_FILENAME) ; \
        fi );
endif
ifeq ($(strip $(UCLIBC_PREGENERATED_LOCALE_DATA)),y)
        (cd extra/locale; zcat $(LOCALE_DATA_FILENAME) | tar -xvf -)
        make -C extra/locale pregen
endif


subdirs: $(patsubst %, _dir_%, $(DIRS))

$(patsubst %, _dir_%, $(DIRS)) : dummy
        $(MAKE) -C $(patsubst _dir_%, %, $@)

tags:
        ctags -R

install: install_runtime install_dev finished2


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

# Installs header files and development library links.
install_dev:
        $(INSTALL) -d $(PREFIX)$(DEVEL_PREFIX)lib
        $(INSTALL) -d $(PREFIX)$(DEVEL_PREFIX)include
        -$(INSTALL) -m 644 lib/*.[ao] $(PREFIX)$(DEVEL_PREFIX)lib/
        tar -chf - include | tar -xf - -C $(PREFIX)$(DEVEL_PREFIX);
ifneq ($(strip $(UCLIBC_HAS_FLOATS)),y)
        # Remove floating point related headers since float support is disabled.
        $(RM) $(PREFIX)$(DEVEL_PREFIX)include/complex.h
        $(RM) $(PREFIX)$(DEVEL_PREFIX)include/fpu_control.h
        $(RM) $(PREFIX)$(DEVEL_PREFIX)include/ieee754.h
        $(RM) $(PREFIX)$(DEVEL_PREFIX)include/math.h
        $(RM) $(PREFIX)$(DEVEL_PREFIX)include/tgmath.h
endif
ifneq ($(strip $(UCLIBC_HAS_WCHAR)),y)
        # Remove wide char headers since wide char support is disabled.
        $(RM) $(PREFIX)$(DEVEL_PREFIX)include/wctype.h
        $(RM) $(PREFIX)$(DEVEL_PREFIX)include/wchar.h
endif
ifneq ($(strip $(UCLIBC_HAS_LOCALE)),y)
        # Remove iconv header since locale support is disabled.
        $(RM) $(PREFIX)$(DEVEL_PREFIX)include/iconv.h
endif
ifneq ($(strip $(UCLIBC_HAS_GLIBC_CUSTOM_PRINTF)),y)
        # Remove printf header since custom print specifier support is disabled.
        $(RM) $(PREFIX)$(DEVEL_PREFIX)include/printf.h
endif
ifneq ($(strip $(UCLIBC_HAS_XLOCALE)),y)
        # Remove xlocale header since extended locale support is disabled.
        $(RM) $(PREFIX)$(DEVEL_PREFIX)include/xlocale.h
endif
ifneq ($(strip $(UCLIBC_HAS_GETTEXT_AWARENESS)),y)
        # Remove libintl header since gettext support is disabled.
        $(RM) $(PREFIX)$(DEVEL_PREFIX)include/libintl.h
endif
ifneq ($(strip $(UCLIBC_HAS_REGEX)),y)
        # Remove regex headers since regex support is disabled.
        $(RM) $(PREFIX)$(DEVEL_PREFIX)include/regex.h
        $(RM) $(PREFIX)$(DEVEL_PREFIX)include/regexp.h
endif
ifneq ($(strip $(UCLIBC_HAS_WORDEXP)),y)
        # Remove wordexp header since wordexp support is disabled.
        $(RM) $(PREFIX)$(DEVEL_PREFIX)include/wordexp.h
endif
ifneq ($(strip $(UCLIBC_HAS_FTW)),y)
        # Remove ftw header since ftw support is disabled.
        $(RM) $(PREFIX)$(DEVEL_PREFIX)include/ftw.h
endif
ifneq ($(strip $(UCLIBC_HAS_GLOB)),y)
        # Remove glob header since glob support is disabled.
        $(RM) $(PREFIX)$(DEVEL_PREFIX)include/glob.h
endif
ifneq ($(strip $(UCLIBC_HAS_GNU_GETOPT)),y)
        # Remove getopt header since gnu getopt support is disabled.
        $(RM) $(PREFIX)$(DEVEL_PREFIX)include/getopt.h
endif
ifneq ($(strip $(HAS_SHADOW)),y)
        # Remove getopt header since shadow password support is disabled.
        $(RM) $(PREFIX)$(DEVEL_PREFIX)include/shadow.h
endif
        -@for i in `find  $(PREFIX)$(DEVEL_PREFIX) -type d` ; do \
            chmod 755 $$i; chmod 644 $$i/*.h > /dev/null 2>&1; \
        done;
        -find $(PREFIX)$(DEVEL_PREFIX) -name CVS | xargs $(RM) -r;
        -chown -R `id | sed 's/^uid=\([0-9]*\).*gid=\([0-9]*\).*$$/\1.\2/'` $(PREFIX)$(DEVEL_PREFIX)
ifeq ($(strip $(HAVE_SHARED)),y)
        for i in `find lib/ -type l -name 'lib[a-zA-Z]*.so' | \
        sed -e 's/lib\///'` ; do \
                $(LN) -sf $(RUNTIME_PREFIX_LIB_FROM_DEVEL_PREFIX_LIB)$$i.$(MAJOR_VERSION) \
                $(PREFIX)$(DEVEL_PREFIX)lib/$$i; \
        done;
ifeq ($(strip $(PTHREADS_DEBUG_SUPPORT)),y)
        ln -sf $(RUNTIME_PREFIX_LIB_FROM_DEVEL_PREFIX_LIB)libthread_db.so.1 \
                $(PREFIX)$(DEVEL_PREFIX)lib/libthread_db.so
endif
#       # If we build shared libraries then the static libs are PIC...
#       # Make _pic.a symlinks to make mklibs.py and similar tools happy.
        for i in `find lib/  -type f -name '*.a' | sed -e 's/lib\///'` ; do \
                $(LN) -sf $$i $(PREFIX)$(DEVEL_PREFIX)lib/`echo $$i \
                        | sed -e 's/\.a$$/_pic.a/'`; \
        done;
endif


# Installs run-time libraries
install_runtime:
ifeq ($(strip $(HAVE_SHARED)),y)
        $(INSTALL) -d $(PREFIX)$(RUNTIME_PREFIX)lib
        $(INSTALL) -m 644 lib/lib*-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so \
                $(PREFIX)$(RUNTIME_PREFIX)lib
        cp -fa lib/*.so.* $(PREFIX)$(RUNTIME_PREFIX)lib
        @if [ -x lib/ld-uClibc-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so ] ; then \
            set -x -e; \
            $(INSTALL) -m 755 lib/ld-uClibc-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so \
                        $(PREFIX)$(RUNTIME_PREFIX)lib; \
        fi;
endif

.PHONY: utils
ifeq ($(strip $(HAVE_SHARED)),y)
utils:
        $(MAKE) CROSS=$(CROSS) CC=$(CC) -C utils
else
utils: dummy
endif

# Installs helper applications, such as 'ldd' and 'ldconfig'
install_utils: utils
        $(MAKE) CROSS=$(CROSS) CC=$(CC) -C utils install
#ifeq ($(strip $(UCLIBC_HAS_LOCALE)),y)
#       @$(MAKE) -C libc/misc/wchar iconv.target
#       $(INSTALL) -d $(PREFIX)$(RUNTIME_PREFIX)/usr/bin;
#       $(INSTALL) -m 755 libc/misc/wchar/iconv.target $(PREFIX)$(RUNTIME_PREFIX)/usr/bin/iconv
#endif

finished2:
        @echo
        @echo Finished installing...
        @echo

else # ifeq ($(strip $(HAVE_DOT_CONFIG)),y)

all: menuconfig

# configuration
# ---------------------------------------------------------------------------
extra/config/conf:
        make -C extra/config conf

extra/config/mconf:
        make -C extra/config ncurses mconf

menuconfig: extra/config/mconf
        $(RM) -r include/bits
        $(INSTALL) -d include/bits
        @./extra/config/mconf extra/Configs/Config.in

config: extra/config/conf
        $(RM) -r include/bits
        $(INSTALL) -d include/bits
        @./extra/config/conf extra/Configs/Config.in

oldconfig: extra/config/conf
        $(RM) -r include/bits
        $(INSTALL) -d include/bits
        @./extra/config/conf -o extra/Configs/Config.in

randconfig: extra/config/conf
        $(RM) -r include/bits
        $(INSTALL) -d include/bits
        @./extra/config/conf -r extra/Configs/Config.in

allyesconfig: extra/config/conf
        $(RM) -r include/bits
        $(INSTALL) -d include/bits
        @./extra/config/conf -y extra/Configs/Config.in

allnoconfig: extra/config/conf
        $(RM) -r include/bits
        $(INSTALL) -d include/bits
        @./extra/config/conf -n extra/Configs/Config.in

defconfig: extra/config/conf
        $(RM) -r include/bits
        $(INSTALL) -d include/bits
        @./extra/config/conf -d extra/Configs/Config.in


clean:
        - find . \( -name \*.o -o -name \*.a -o -name \*.so -o -name core -o -name .\#\* \) -exec $(RM) {} \;
        @$(RM) -r tmp lib include/bits libc/tmp _install
        $(MAKE) -C test clean
        $(MAKE) -C ldso clean
        $(MAKE) -C libc/misc/internals clean
        $(MAKE) -C libc/misc/wchar clean
        $(MAKE) -C libc/unistd clean
        $(MAKE) -C libc/sysdeps/linux/common clean
        $(MAKE) -C extra/locale clean
        @set -e; \
        for i in `(cd $(TOPDIR)/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;
        @$(RM) include/linux include/asm*
        @if [ -d libc/sysdeps/linux/$(TARGET_ARCH) ]; then              \
            $(MAKE) -C libc/sysdeps/linux/$(TARGET_ARCH) clean;         \
        fi;

distclean: clean
        $(RM) .config .config.old .config.cmd
        $(MAKE) -C extra clean

release: distclean
        cd ..;                                  \
        $(RM) -r uClibc-$(VERSION);             \
        cp -fa uClibc uClibc-$(VERSION);        \
        find uClibc-$(VERSION)/ -type f         \
            -name .\#* -exec $(RM) -r {} \; ;   \
        find uClibc-$(VERSION)/ -type d         \
            -name CVS  -exec $(RM) -r {} \; ;   \
                                                \
        tar -cvzf uClibc-$(VERSION).tar.gz uClibc-$(VERSION)/;

endif # ifeq ($(strip $(HAVE_DOT_CONFIG)),y)

.PHONY: dummy subdirs release distclean clean config oldconfig menuconfig

