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 include Rules.mak
  30
  31 DIRS = misc pwd_grp stdio string termios inet signal stdlib sysdeps unistd extra
  32
  33 ifeq ($(strip $(HAS_MMU)),true)
  34         DO_SHARED=shared
  35 endif
  36
  37 all: $(LIBNAME) $(DO_SHARED) done
  38
  39 $(LIBNAME): halfclean headers uClibc_config.h subdirs
  40         $(CROSS)ranlib $(LIBNAME)
  41
  42 shared: $(LIBNAME)
  43         @make -C ld.so-1
  44         @rm -rf tmp
  45         @mkdir tmp
  46         @(cd tmp; CC=$(CC) /bin/sh ../extra/scripts/get-needed-libgcc-objects.sh)
  47         if [ -s ./tmp/libgcc-need.a ] ; then \
  48                 $(CC) -g $(LDFLAGS) -shared -o $(SHARED_FULLNAME) \
  49                     -Wl,-soname,$(SHARED_MAJORNAME) -Wl,--whole-archive \
  50                     ./$(LIBNAME) ./tmp/libgcc-need.a ; \
  51         else \
  52                 $(CC) -g $(LDFLAGS) -shared -o $(SHARED_FULLNAME) \
  53                     -Wl,-soname,$(SHARED_MAJORNAME) -Wl,--whole-archive \
  54                     ./$(LIBNAME) ; \
  55         fi
  56         @rm -rf tmp
  57         ln -sf $(SHARED_FULLNAME) $(SHARED_MAJORNAME)
  58         ln -sf $(SHARED_MAJORNAME) libc.so
  59
  60 done: $(LIBNAME) $(DO_SHARED)
  61         @echo
  62         @echo Finally finished compiling...
  63         @echo
  64
  65 halfclean:
  66         @rm -f $(LIBNAME) crt0.o uClibc_config.h
  67         @rm -f $(SHARED_FULLNAME) $(SHARED_MAJORNAME) libc.so
  68
  69 headers: dummy
  70         @rm -f include/asm include/linux include/bits
  71         @ln -s $(KERNEL_SOURCE)/include/asm include/asm
  72         @if [ ! -f include/asm/unistd.h ] ; then \
  73             echo " "; \
  74             echo "The path '$(KERNEL_SOURCE)/include/asm' doesn't exist."; \
  75             echo "I bet you didn't set KERNEL_SOURCE, TARGET_ARCH or HAS_MMU in \`Config'"; \
  76             echo "correctly.  Please edit \`Config' and fix these settings."; \
  77             echo " "; \
  78             /bin/false; \
  79         fi;
  80         @if [ $(HAS_MMU) != "true" ]  && [ $(TARGET_ARCH) = "i386" ] ; then \
  81             echo "WARNING: I bet your x86 system really has an MMU, right?"; \
  82             echo "         malloc and friends won't work unless you fix \`Config'"; \
  83             echo " "; \
  84             sleep 10; \
  85         fi;
  86         @ln -s $(KERNEL_SOURCE)/include/linux include/linux
  87         @ln -s ../sysdeps/linux/$(TARGET_ARCH)/bits include/bits
  88         @ln -sf ../../../../uClibc_config.h sysdeps/linux/$(TARGET_ARCH)/bits/uClibc_config.h
  89
  90
  91 tags:
  92         ctags -R
  93
  94 clean: subdirs_clean halfclean
  95         @rm -rf tmp
  96         rm -f include/asm include/linux include/bits
  97
  98 subdirs: $(patsubst %, _dir_%, $(DIRS))
  99 subdirs_clean: $(patsubst %, _dirclean_%, $(DIRS) test)
 100
 101 $(patsubst %, _dir_%, $(DIRS)) : dummy
 102         $(MAKE) -C $(patsubst _dir_%, %, $@)
 103
 104 $(patsubst %, _dirclean_%, $(DIRS) test) : dummy
 105         $(MAKE) -C $(patsubst _dirclean_%, %, $@) clean
 106
 107 install: install_runtime install_dev install_ldso
 108
 109 # Installs shared library
 110 install_runtime:
 111 ifneq ($(DO_SHARED),)
 112         install -d $(INSTALL_DIR)/lib
 113         rm -rf $(INSTALL_DIR)/lib/$(SHARED_FULLNAME)
 114         rm -rf $(INSTALL_DIR)/lib/$(SHARED_MAJORNAME)
 115         rm -rf $(INSTALL_DIR)/lib/libc.so
 116         install -m 644 $(SHARED_FULLNAME) $(INSTALL_DIR)/lib/
 117         (cd $(INSTALL_DIR)/lib;ln -sf $(SHARED_FULLNAME) $(SHARED_MAJORNAME))
 118         (cd $(INSTALL_DIR)/lib;ln -sf $(SHARED_MAJORNAME) libc.so)
 119 # ldconfig is really not necessary, and impossible to cross
 120 #ifeq ($(INSTALL_DIR),)
 121 #       /sbin/ldconfig -n $(INSTALL_DIR)/lib
 122 #endif
 123 else
 124         echo shared library not installed
 125 endif
 126
 127 # Installs development library and headers
 128 # This is done with the assumption that it can blow away anything
 129 # in $(INSTALL_DIR)/include.  Probably true only if you're using
 130 # a packaging system.
 131 install_dev:
 132         install -d $(INSTALL_DIR)/include
 133         install -d $(INSTALL_DIR)/include/bits
 134         rm -f $(INSTALL_DIR)/include/asm
 135         rm -f $(INSTALL_DIR)/include/linux
 136         ln -s $(KERNEL_SOURCE)/include/asm $(INSTALL_DIR)/include/asm
 137         ln -s $(KERNEL_SOURCE)/include/linux $(INSTALL_DIR)/include/linux
 138         find include/ -type f -depth -not -path "*CVS*" -exec install -D -m 644 {} $(INSTALL_DIR)/'{}' ';'
 139         find include/bits/ -type f -depth -not -path "*CVS*" -exec install -D -m 644 {} $(INSTALL_DIR)/'{}' ';'
 140         install -m 644 include/bits/uClibc_config.h $(INSTALL_DIR)/include/bits/
 141         install -d $(INSTALL_DIR)/lib
 142         rm -f $(INSTALL_DIR)/lib/$(LIBNAME)
 143         install -m 644 $(LIBNAME) $(INSTALL_DIR)/lib/
 144         @if [ -f crt0.o ] ; then install -m 644 crt0.o $(INSTALL_DIR)/lib/; fi
 145         install -d $(INSTALL_DIR)/bin
 146         @if [ -f extra/gcc-uClibc/$(TARGET_ARCH)-uclibc-gcc ] ; then install -m 755 extra/gcc-uClibc/$(TARGET_ARCH)-uclibc-gcc $(INSTALL_DIR)/bin/ ; fi
 147
 148
 149 install_ldso:
 150 ifeq ($(strip $(DO_SHARED)),shared)
 151         @make -C ld.so-1 install
 152 else
 153         @echo "Skipping shared library support"
 154 endif
 155
 156 uClibc_config.h: Config
 157         @echo "/* WARNING!!! AUTO-GENERATED FILE!!! DO NOT EDIT!!! */" > uClibc_config.h
 158         @echo "#if !defined __FEATURES_H && !defined __need_uClibc_config_h" >> uClibc_config.h
 159         @echo "#error Never include <bits/uClibc_config.h> directly; use <features.h> instead." >> uClibc_config.h
 160         @echo "#endif" >> uClibc_config.h
 161         @echo "#define linux 1" >> uClibc_config.h
 162         @echo "#define __linux__ 1" >> uClibc_config.h
 163         @if [ "$(HAS_MMU)" = "true" ] ; then \
 164             echo "#define __UCLIBC_HAS_MMU__ 1" >> uClibc_config.h ; \
 165         else \
 166             echo "#undef __UCLIBC_HAS_MMU__" >> uClibc_config.h ; \
 167         fi
 168         @if [ "$(HAS_FLOATS)" = "true" ] ; then \
 169             echo "#define __UCLIBC_HAS_FLOATS__ 1" >> uClibc_config.h ; \
 170         else \
 171             echo "#undef __UCLIBC_HAS_FLOATS__" >> uClibc_config.h ; \
 172         fi
 173         @if [ "$(HAS_LONG_LONG)" = "true" ] ; then \
 174             echo "#define __UCLIBC_HAS_LONG_LONG__ 1" >> uClibc_config.h ; \
 175         else \
 176             echo "#undef __UCLIBC_HAS_LONG_LONG__" >> uClibc_config.h ; \
 177         fi
 178         @if [ "$(HAS_LOCALE)" = "true" ] ; then \
 179             echo "#define __UCLIBC_HAS_LOCALE__ 1" >> uClibc_config.h ; \
 180             echo "#define __UCLIBC_LOCALE_DIR \""$(LOCALE_DIR)"\"" >> uClibc_config.h ; \
 181         else \
 182             echo "#undef __UCLIBC_HAS_LOCALE__" >> uClibc_config.h ; \
 183         fi
 184         @if [ "$(TARGET_ARCH)" = "m68k" ] ; then \
 185             echo "#define __VFORK_MACRO__ 1" >> uClibc_config.h ; \
 186             if [ `expr match "$(CC)" ".*\(m68k-elf-.*\)"`x = x ]; then \
 187                 echo "#define const" >> uClibc_config.h ; \
 188                 echo "#define __const" >> uClibc_config.h ; \
 189                 echo "#define __extension" >> uClibc_config.h ; \
 190             fi; \
 191         else \
 192             echo "#undef __VFORK_MACRO__" >> uClibc_config.h ; \
 193         fi
 194         @if [ "$(TARGET_ARCH)" = "sh" ] ; then \
 195             echo "#define NO_UNDERSCORES 1" >> uClibc_config.h ; \
 196         else \
 197             echo "#undef NO_UNDERSCORES" >> uClibc_config.h ; \
 198         fi
 199
 200 .PHONY: dummy
 201