Makefile

   1 # Makefile for uClibc
   2 #
   3 # Copyright (C) 2000 by Lineo, inc.
   4 #
   5 # This program is free software; you can redistribute it and/or modify it under
   6 # the terms of the GNU Library General Public License as published by the Free
   7 # Software Foundation; either version 2 of the License, or (at your option) any
   8 # later version.
   9 #
  10 # This program is distributed in the hope that it will be useful, but WITHOUT
  11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  12 # FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
  13 # details.
  14 #
  15 # You should have received a copy of the GNU Library General Public License
  16 # along with this program; if not, write to the Free Software Foundation, Inc.,
  17 # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  18 #
  19 # Derived in part from the Linux-8086 C library, the GNU C Library, and several
  20 # other sundry sources.  Files within this library are copyright by their
  21 # respective copyright holders.
  22
  23 #--------------------------------------------------------
  24 #
  25 #There are a number of configurable options in "Config"
  26 #
  27 #--------------------------------------------------------
  28
  29 TOPDIR=./
  30 include Rules.mak
  31
  32 DIRS = extra misc pwd_grp stdio string termios inet signal stdlib sysdeps unistd crypt libutil libm
  33
  34 ifeq ($(strip $(HAS_MMU)),true)
  35         DO_SHARED=shared
  36 endif
  37
  38 all: halfclean headers uClibc_config.h subdirs $(LIBNAME) $(DO_SHARED) done
  39
  40 $(LIBNAME): subdirs
  41         $(CROSS)ranlib $(LIBNAME)
  42
  43 shared: $(LIBNAME)
  44         @rm -rf tmp
  45         @mkdir tmp
  46         @$(MAKE) -C ld.so-1 ldso
  47         @(cd tmp; CC=$(CC) /bin/sh ../extra/scripts/get-needed-libgcc-objects.sh)
  48         if [ -s ./tmp/libgcc-need.a ] ; then \
  49                 $(CC) -g $(LDFLAGS) -shared -o $(SHARED_FULLNAME) \
  50                     -Wl,-soname,$(SHARED_MAJORNAME) -Wl,--whole-archive \
  51                     ./$(LIBNAME) ./tmp/libgcc-need.a \
  52                     $(LDSO) ; \
  53         else \
  54                 $(CC) -g $(LDFLAGS) -shared -o $(SHARED_FULLNAME) \
  55                     -Wl,-soname,$(SHARED_MAJORNAME) -Wl,--whole-archive \
  56                     ./$(LIBNAME) $(LDSO) ; \
  57         fi
  58         @rm -rf tmp
  59         ln -sf $(SHARED_FULLNAME) $(SHARED_MAJORNAME)
  60         @$(MAKE) -C crypt shared
  61         @$(MAKE) -C libutil shared
  62         @$(MAKE) -C libm shared
  63         @$(MAKE) -C ld.so-1
  64
  65 done: $(LIBNAME) $(DO_SHARED)
  66         @echo
  67         @echo Finally finished compiling...
  68         @echo
  69
  70 halfclean:
  71         @rm -f $(LIBNAME) crt0.o uClibc_config.h
  72         @rm -f $(SHARED_FULLNAME) $(SHARED_MAJORNAME) uClibc-0.* libc.so*
  73
  74 headers: dummy
  75         @rm -f include/asm include/linux include/bits
  76         @ln -s $(KERNEL_SOURCE)/include/asm include/asm
  77         @if [ ! -f include/asm/unistd.h ] ; then \
  78             echo " "; \
  79             echo "The path '$(KERNEL_SOURCE)/include/asm' doesn't exist."; \
  80             echo "I bet you didn't set KERNEL_SOURCE, TARGET_ARCH or HAS_MMU in \`Config'"; \
  81             echo "correctly.  Please edit \`Config' and fix these settings."; \
  82             echo " "; \
  83             /bin/false; \
  84         fi;
  85         @if [ $(HAS_MMU) != "true" ]  && [ $(TARGET_ARCH) = "i386" ] ; then \
  86             echo "WARNING: I bet your x86 system really has an MMU, right?"; \
  87             echo "         malloc and friends won't work unless you fix \`Config'"; \
  88             echo " "; \
  89             sleep 10; \
  90         fi;
  91         @ln -s $(KERNEL_SOURCE)/include/linux include/linux
  92         @ln -s ../sysdeps/linux/$(TARGET_ARCH)/bits include/bits
  93         @ln -sf ../../../../uClibc_config.h sysdeps/linux/$(TARGET_ARCH)/bits/uClibc_config.h
  94
  95
  96 tags:
  97         ctags -R
  98
  99 clean: subdirs_clean halfclean
 100         @rm -rf tmp
 101         rm -f include/asm include/linux include/bits
 102         @$(MAKE) -C ld.so-1 clean
 103
 104 subdirs: $(patsubst %, _dir_%, $(DIRS))
 105 subdirs_clean: $(patsubst %, _dirclean_%, $(DIRS) test)
 106
 107 $(patsubst %, _dir_%, $(DIRS)) : dummy
 108         $(MAKE) -C $(patsubst _dir_%, %, $@)
 109
 110 $(patsubst %, _dirclean_%, $(DIRS) test) : dummy
 111         $(MAKE) -C $(patsubst _dirclean_%, %, $@) clean
 112
 113 install: install_runtime install_dev install_ldso
 114
 115 # Installs shared library
 116 install_runtime:
 117         @$(MAKE) -C crypt install
 118         @$(MAKE) -C libutil install
 119         @$(MAKE) -C libm install
 120 ifneq ($(DO_SHARED),)
 121         install -d $(INSTALL_DIR)/lib
 122         rm -rf $(INSTALL_DIR)/lib/$(SHARED_FULLNAME)
 123         rm -rf $(INSTALL_DIR)/lib/$(SHARED_MAJORNAME)
 124         rm -rf $(INSTALL_DIR)/lib/libc.so
 125         install -m 755 $(SHARED_FULLNAME) $(INSTALL_DIR)/lib/
 126         (cd $(INSTALL_DIR)/lib;ln -sf $(SHARED_FULLNAME) $(SHARED_MAJORNAME))
 127 # ldconfig is really not necessary, and impossible to cross
 128 #ifeq ($(INSTALL_DIR),)
 129 #       /sbin/ldconfig -n $(INSTALL_DIR)/lib
 130 #endif
 131 else
 132         echo shared library not installed
 133 endif
 134
 135 # Installs development library and headers
 136 # This is done with the assumption that it can blow away anything
 137 # in $(INSTALL_DIR)/include.  Probably true only if you're using
 138 # a packaging system.
 139 install_dev:
 140         install -d $(INSTALL_DIR)/include
 141         install -d $(INSTALL_DIR)/include/bits
 142         rm -f $(INSTALL_DIR)/include/asm
 143         rm -f $(INSTALL_DIR)/include/linux
 144         ln -s $(KERNEL_SOURCE)/include/asm $(INSTALL_DIR)/include/asm
 145         ln -s $(KERNEL_SOURCE)/include/linux $(INSTALL_DIR)/include/linux
 146         find include/ -type f -depth -not -path "*CVS*" -exec install -D -m 644 {} $(INSTALL_DIR)/'{}' ';'
 147         find include/bits/ -type f -depth -not -path "*CVS*" -exec install -D -m 644 {} $(INSTALL_DIR)/'{}' ';'
 148         install -m 644 include/bits/uClibc_config.h $(INSTALL_DIR)/include/bits/
 149         install -d $(INSTALL_DIR)/lib
 150         rm -f $(INSTALL_DIR)/lib/$(LIBNAME)
 151         install -m 644 $(LIBNAME) $(INSTALL_DIR)/lib/
 152         @if [ -f crt0.o ] ; then install -m 644 crt0.o $(INSTALL_DIR)/lib/; fi
 153         install -d $(INSTALL_DIR)/bin
 154         $(MAKE) -C extra/gcc-uClibc install
 155
 156
 157 install_ldso:
 158 ifeq ($(strip $(DO_SHARED)),shared)
 159         $(MAKE) -C ld.so-1 install
 160         install -d $(INSTALL_DIR)/etc
 161         $(TOPDIR)ld.so-1/util/ldconfig
 162 else
 163         @echo "Skipping shared library support"
 164 endif
 165
 166 uClibc_config.h: Config
 167         @echo "/* WARNING!!! AUTO-GENERATED FILE!!! DO NOT EDIT!!! */" > uClibc_config.h
 168         @echo "#if !defined __FEATURES_H && !defined __need_uClibc_config_h" >> uClibc_config.h
 169         @echo "#error Never include <bits/uClibc_config.h> directly; use <features.h> instead." >> uClibc_config.h
 170         @echo "#endif" >> uClibc_config.h
 171         @echo "#define linux 1" >> uClibc_config.h
 172         @echo "#define __linux__ 1" >> uClibc_config.h
 173         @if [ "$(HAS_MMU)" = "true" ] ; then \
 174             echo "#define __UCLIBC_HAS_MMU__ 1" >> uClibc_config.h ; \
 175         else \
 176             echo "#undef __UCLIBC_HAS_MMU__" >> uClibc_config.h ; \
 177         fi
 178         @if [ "$(HAS_FLOATS)" = "true" ] ; then \
 179             echo "#define __UCLIBC_HAS_FLOATS__ 1" >> uClibc_config.h ; \
 180         else \
 181             echo "#undef __UCLIBC_HAS_FLOATS__" >> uClibc_config.h ; \
 182         fi
 183         @if [ "$(HAS_DOUBLE)" = "true" ] ; then \
 184             echo "#define __UCLIBC_HAS_DOUBLE__ 1" >> uClibc_config.h ; \
 185         else \
 186             echo "#undef __UCLIBC_HAS_DOUBLE__" >> uClibc_config.h ; \
 187         fi
 188         @if [ "$(HAS_LONG_DOUBLE)" = "true" ] ; then \
 189             echo "#define __UCLIBC_HAS_LONG_DOUBLE__ 1" >> uClibc_config.h ; \
 190         else \
 191             echo "#undef __UCLIBC_HAS_LONG_DOUBLE__" >> uClibc_config.h ; \
 192         fi
 193         @if [ "$(HAS_LONG_LONG)" = "true" ] ; then \
 194             echo "#define __UCLIBC_HAS_LONG_LONG__ 1" >> uClibc_config.h ; \
 195         else \
 196             echo "#undef __UCLIBC_HAS_LONG_LONG__" >> uClibc_config.h ; \
 197         fi
 198         @if [ "$(HAS_LOCALE)" = "true" ] ; then \
 199             echo "#define __UCLIBC_HAS_LOCALE__ 1" >> uClibc_config.h ; \
 200             echo "#define __UCLIBC_LOCALE_DIR \""$(LOCALE_DIR)"\"" >> uClibc_config.h ; \
 201         else \
 202             echo "#undef __UCLIBC_HAS_LOCALE__" >> uClibc_config.h ; \
 203         fi
 204         @if [ "$(TARGET_ARCH)" = "m68k" ] ; then \
 205             echo "#define __VFORK_MACRO__ 1" >> uClibc_config.h ; \
 206             if [ `expr match "$(CC)" ".*\(m68k-elf-.*\)"`x = x ]; then \
 207                 echo "#define const" >> uClibc_config.h ; \
 208                 echo "#define __const" >> uClibc_config.h ; \
 209                 echo "#define __extension" >> uClibc_config.h ; \
 210             fi; \
 211         else \
 212             echo "#undef __VFORK_MACRO__" >> uClibc_config.h ; \
 213         fi
 214         @if [ "$(TARGET_ARCH)" = "sh" ] ; then \
 215             echo "#define NO_UNDERSCORES 1" >> uClibc_config.h ; \
 216         else \
 217             echo "#undef NO_UNDERSCORES" >> uClibc_config.h ; \
 218         fi
 219         @if [ "$(INCLUDE_RPC)" = "true" ] ; then \
 220             echo "#define __UCLIBC_HAS_RPC__ 1" >> uClibc_config.h ; \
 221         else \
 222             echo "#undef __UCLIBC_HAS_RPC__" >> uClibc_config.h ; \
 223         fi
 224
 225 .PHONY: dummy subdirs
 226