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# Makefile for uClibc
#
# Copyright (C) 2000 by Lineo, inc.
#
# 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
#
# Derived in part from the Linux-8086 C library, the GNU C Library, and several
# other sundry sources. Files within this library are copyright by their
# respective copyright holders.
#--------------------------------------------------------
#
#There are a number of configurable options in "Config"
#
#--------------------------------------------------------
include Rules.mak
DIRS = misc pwd_grp stdio string termios inet signal stdlib sysdeps unistd extra
ifeq ($(strip $(HAS_MMU)),true)
DO_SHARED=shared
endif
all: $(LIBNAME) $(DO_SHARED) done
$(LIBNAME): halfclean headers uClibc_config.h subdirs
$(CROSS)ranlib $(LIBNAME)
shared: $(LIBNAME)
@rm -rf tmp
@mkdir tmp
@make -C ld.so-1/d-link
@(cd tmp; CC=$(CC) /bin/sh ../extra/scripts/get-needed-libgcc-objects.sh)
if [ -s ./tmp/libgcc-need.a ] ; then \
$(CC) -g $(LDFLAGS) -shared -o $(SHARED_FULLNAME) \
-Wl,-soname,$(SHARED_MAJORNAME) -Wl,--whole-archive \
./$(LIBNAME) ./tmp/libgcc-need.a \
ld.so-1/d-link/ld-linux-uclibc.so.0; \
else \
$(CC) -g $(LDFLAGS) -shared -o $(SHARED_FULLNAME) \
-Wl,-soname,$(SHARED_MAJORNAME) -Wl,--whole-archive \
./$(LIBNAME) ld.so-1/d-link/ld-linux-uclibc.so.0; \
fi
@rm -rf tmp
ln -sf $(SHARED_FULLNAME) $(SHARED_MAJORNAME)
ln -sf $(SHARED_MAJORNAME) libc.so
@make -C ld.so-1
done: $(LIBNAME) $(DO_SHARED)
@echo
@echo Finally finished compiling...
@echo
halfclean:
@rm -f $(LIBNAME) crt0.o uClibc_config.h
@rm -f $(SHARED_FULLNAME) $(SHARED_MAJORNAME) libc.so
headers: dummy
@rm -f include/asm include/linux include/bits
@ln -s $(KERNEL_SOURCE)/include/asm include/asm
@if [ ! -f include/asm/unistd.h ] ; then \
echo " "; \
echo "The path '$(KERNEL_SOURCE)/include/asm' doesn't exist."; \
echo "I bet you didn't set KERNEL_SOURCE, TARGET_ARCH or HAS_MMU in \`Config'"; \
echo "correctly. Please edit \`Config' and fix these settings."; \
echo " "; \
/bin/false; \
fi;
@if [ $(HAS_MMU) != "true" ] && [ $(TARGET_ARCH) = "i386" ] ; then \
echo "WARNING: I bet your x86 system really has an MMU, right?"; \
echo " malloc and friends won't work unless you fix \`Config'"; \
echo " "; \
sleep 10; \
fi;
@ln -s $(KERNEL_SOURCE)/include/linux include/linux
@ln -s ../sysdeps/linux/$(TARGET_ARCH)/bits include/bits
@ln -sf ../../../../uClibc_config.h sysdeps/linux/$(TARGET_ARCH)/bits/uClibc_config.h
tags:
ctags -R
clean: subdirs_clean halfclean
@rm -rf tmp
rm -f include/asm include/linux include/bits
@make -C ld.so-1 clean
subdirs: $(patsubst %, _dir_%, $(DIRS))
subdirs_clean: $(patsubst %, _dirclean_%, $(DIRS) test)
$(patsubst %, _dir_%, $(DIRS)) : dummy
$(MAKE) -C $(patsubst _dir_%, %, $@)
$(patsubst %, _dirclean_%, $(DIRS) test) : dummy
$(MAKE) -C $(patsubst _dirclean_%, %, $@) clean
install: install_runtime install_dev install_ldso
# Installs shared library
install_runtime:
ifneq ($(DO_SHARED),)
install -d $(INSTALL_DIR)/lib
rm -rf $(INSTALL_DIR)/lib/$(SHARED_FULLNAME)
rm -rf $(INSTALL_DIR)/lib/$(SHARED_MAJORNAME)
rm -rf $(INSTALL_DIR)/lib/libc.so
install -m 644 $(SHARED_FULLNAME) $(INSTALL_DIR)/lib/
(cd $(INSTALL_DIR)/lib;ln -sf $(SHARED_FULLNAME) $(SHARED_MAJORNAME))
(cd $(INSTALL_DIR)/lib;ln -sf $(SHARED_MAJORNAME) libc.so)
# ldconfig is really not necessary, and impossible to cross
#ifeq ($(INSTALL_DIR),)
# /sbin/ldconfig -n $(INSTALL_DIR)/lib
#endif
else
echo shared library not installed
endif
# Installs development library and headers
# This is done with the assumption that it can blow away anything
# in $(INSTALL_DIR)/include. Probably true only if you're using
# a packaging system.
install_dev:
install -d $(INSTALL_DIR)/include
install -d $(INSTALL_DIR)/include/bits
rm -f $(INSTALL_DIR)/include/asm
rm -f $(INSTALL_DIR)/include/linux
ln -s $(KERNEL_SOURCE)/include/asm $(INSTALL_DIR)/include/asm
ln -s $(KERNEL_SOURCE)/include/linux $(INSTALL_DIR)/include/linux
find include/ -type f -depth -not -path "*CVS*" -exec install -D -m 644 {} $(INSTALL_DIR)/'{}' ';'
find include/bits/ -type f -depth -not -path "*CVS*" -exec install -D -m 644 {} $(INSTALL_DIR)/'{}' ';'
install -m 644 include/bits/uClibc_config.h $(INSTALL_DIR)/include/bits/
install -d $(INSTALL_DIR)/lib
rm -f $(INSTALL_DIR)/lib/$(LIBNAME)
install -m 644 $(LIBNAME) $(INSTALL_DIR)/lib/
@if [ -f crt0.o ] ; then install -m 644 crt0.o $(INSTALL_DIR)/lib/; fi
install -d $(INSTALL_DIR)/bin
@if [ -f extra/gcc-uClibc/$(TARGET_ARCH)-uclibc-gcc ] ; then install -m 755 extra/gcc-uClibc/$(TARGET_ARCH)-uclibc-gcc $(INSTALL_DIR)/bin/ ; fi
install_ldso:
ifeq ($(strip $(DO_SHARED)),shared)
@make -C ld.so-1 install
else
@echo "Skipping shared library support"
endif
uClibc_config.h: Config
@echo "/* WARNING!!! AUTO-GENERATED FILE!!! DO NOT EDIT!!! */" > uClibc_config.h
@echo "#if !defined __FEATURES_H && !defined __need_uClibc_config_h" >> uClibc_config.h
@echo "#error Never include <bits/uClibc_config.h> directly; use <features.h> instead." >> uClibc_config.h
@echo "#endif" >> uClibc_config.h
@echo "#define linux 1" >> uClibc_config.h
@echo "#define __linux__ 1" >> uClibc_config.h
@if [ "$(HAS_MMU)" = "true" ] ; then \
echo "#define __UCLIBC_HAS_MMU__ 1" >> uClibc_config.h ; \
else \
echo "#undef __UCLIBC_HAS_MMU__" >> uClibc_config.h ; \
fi
@if [ "$(HAS_FLOATS)" = "true" ] ; then \
echo "#define __UCLIBC_HAS_FLOATS__ 1" >> uClibc_config.h ; \
else \
echo "#undef __UCLIBC_HAS_FLOATS__" >> uClibc_config.h ; \
fi
@if [ "$(HAS_LONG_LONG)" = "true" ] ; then \
echo "#define __UCLIBC_HAS_LONG_LONG__ 1" >> uClibc_config.h ; \
else \
echo "#undef __UCLIBC_HAS_LONG_LONG__" >> uClibc_config.h ; \
fi
@if [ "$(HAS_LOCALE)" = "true" ] ; then \
echo "#define __UCLIBC_HAS_LOCALE__ 1" >> uClibc_config.h ; \
echo "#define __UCLIBC_LOCALE_DIR \""$(LOCALE_DIR)"\"" >> uClibc_config.h ; \
else \
echo "#undef __UCLIBC_HAS_LOCALE__" >> uClibc_config.h ; \
fi
@if [ "$(TARGET_ARCH)" = "m68k" ] ; then \
echo "#define __VFORK_MACRO__ 1" >> uClibc_config.h ; \
if [ `expr match "$(CC)" ".*\(m68k-elf-.*\)"`x = x ]; then \
echo "#define const" >> uClibc_config.h ; \
echo "#define __const" >> uClibc_config.h ; \
echo "#define __extension" >> uClibc_config.h ; \
fi; \
else \
echo "#undef __VFORK_MACRO__" >> uClibc_config.h ; \
fi
@if [ "$(TARGET_ARCH)" = "sh" ] ; then \
echo "#define NO_UNDERSCORES 1" >> uClibc_config.h ; \
else \
echo "#undef NO_UNDERSCORES" >> uClibc_config.h ; \
fi
.PHONY: dummy
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