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
  32 DIRS = extra misc pwd_grp stdio string termios inet signal stdlib sysdeps unistd
  33
  34 ifeq ($(strip $(HAS_MMU)),true)
  35         DO_SHARED=shared
  36 endif
  37
  38 all: $(STATIC_NAME) $(DO_SHARED) done
  39
  40 $(STATIC_NAME): halfclean headers uClibc_config.h subdirs
  41         $(CROSS)ranlib $(STATIC_NAME)
  42
  43 # Surely there is a better way to do this then dumping all
  44 # the objects into a tmp dir.  Please -- someone enlighten me.
  45 shared: $(STATIC_NAME)
  46         @rm -rf tmp
  47         @mkdir tmp
  48         @(cd tmp; CC=$(CC) /bin/sh ../extra/scripts/get-needed-libgcc-objects.sh)
  49         if [ -s ./tmp/libgcc-need.a ] ; then \
  50                 $(CC) -g $(LDFLAGS) -shared -o $(SHARED_NAME) \
  51                     -Wl,-soname,$(SHARED_NAME) -Wl,--whole-archive \
  52                     ./libc.a ./tmp/libgcc-need.a ; \
  53         else \
  54                 $(CC) -g $(LDFLAGS) -shared -o $(SHARED_NAME) \
  55                     -Wl,-soname,$(SHARED_NAME) -Wl,--whole-archive ./libc.a ; \
  56         fi
  57         @rm -rf tmp
  58
  59 done: $(STATIC_NAME) $(DO_SHARED)
  60         @echo
  61         @echo Finally finished compiling...
  62         @echo
  63
  64 halfclean:
  65         @rm -f $(STATIC_NAME) $(SHARED_NAME) crt0.o uClibc_config.h
  66
  67 headers: dummy
  68         @rm -f include/asm include/linux include/bits
  69         @ln -s $(KERNEL_SOURCE)/include/asm include/asm
  70         @if [ ! -f include/asm/unistd.h ] ; then \
  71             echo " "; \
  72             echo "The path '$(KERNEL_SOURCE)/include/asm' doesn't exist."; \
  73             echo "I bet you didn't set KERNEL_SOURCE, TARGET_ARCH or HAS_MMU in \`Config'"; \
  74             echo "correctly.  Please edit \`Config' and fix these settings."; \
  75             echo " "; \
  76             /bin/false; \
  77         fi;
  78         @if [ $(HAS_MMU) != "true" ]  && [ $(TARGET_ARCH) = "i386" ] ; then \
  79             echo "WARNING: I bet your x86 system really has an MMU, right?"; \
  80             echo "         malloc and friends won't work unless you fix \`Config'"; \
  81             echo " "; \
  82             sleep 10; \
  83         fi;
  84         @ln -s $(KERNEL_SOURCE)/include/linux include/linux
  85         @ln -s ../sysdeps/linux/$(TARGET_ARCH)/bits include/bits
  86         @ln -sf ../../../../uClibc_config.h sysdeps/linux/$(TARGET_ARCH)/bits/uClibc_config.h
  87
  88
  89 tags:
  90         ctags -R
  91
  92 clean: subdirs_clean
  93         @rm -rf tmp
  94         rm -f $(STATIC_NAME) crt0.o $(SHARED_NAME) uClibc_config.h
  95         rm -f include/asm include/linux include/bits
  96
  97 subdirs: $(patsubst %, _dir_%, $(DIRS))
  98 subdirs_clean: $(patsubst %, _dirclean_%, $(DIRS) test)
  99
 100 $(patsubst %, _dir_%, $(DIRS)) : dummy
 101         $(MAKE) -C $(patsubst _dir_%, %, $@)
 102
 103 $(patsubst %, _dirclean_%, $(DIRS) test) : dummy
 104         $(MAKE) -C $(patsubst _dirclean_%, %, $@) clean
 105
 106 install_new: install_runtime install_dev
 107
 108 # Installs shared library
 109 install_runtime:
 110 ifneq ($(DO_SHARED),)
 111         install -d $(INSTALL_DIR)/lib
 112         install -m 644 $(SHARED_NAME) $(INSTALL_DIR)/lib/
 113         (cd $(INSTALL_DIR)/lib;ln -sf $(SHARED_NAME) libuClibc.so)
 114 # ldconfig is really not necessary, and impossible to cross
 115 ifeq ($(INSTALL_DIR),)
 116         /sbin/ldconfig -n $(INSTALL_DIR)/lib
 117 endif
 118 else
 119         echo shared library not installed
 120 endif
 121
 122 # Installs development library and headers
 123 # This is done with the assumption that it can blow away anything
 124 # in $(INSTALL_DIR)/include.  Probably true only if you're using
 125 # a packaging system.
 126 install_dev:
 127         install -d $(INSTALL_DIR)/include
 128         install -d $(INSTALL_DIR)/include/bits
 129         rm -f $(INSTALL_DIR)/include/asm
 130         rm -f $(INSTALL_DIR)/include/linux
 131         ln -s $(KERNEL_SOURCE)/include/asm $(INSTALL_DIR)/include/asm
 132         ln -s $(KERNEL_SOURCE)/include/linux $(INSTALL_DIR)/include/linux
 133         find include/ -type f -depth -exec install -m 644 {} $(INSTALL_DIR)/include/ ';'
 134         find include/bits/ -type f -depth -exec install -m 644 {} $(INSTALL_DIR)/include/bits/ ';'
 135         install -d $(INSTALL_DIR)/lib
 136         rm -f $(INSTALL_DIR)/lib/$(STATIC_NAME)
 137         install -m 644 $(STATIC_NAME) $(INSTALL_DIR)/lib/
 138         @if [ -f crt0.o ] ; then install -m 644 crt0.o $(INSTALL_DIR)/lib/; fi
 139
 140 install:
 141         echo Consider using 'make install_new'
 142         @if [ `id -u` -ne 0 ]; then \
 143             echo "Aborting install -- You must be root."; \
 144             /bin/false; \
 145         fi;
 146         @if [ -n "$(DO_SHARED)" ] ; then \
 147             set -x; \
 148             mv -f $(INSTALL_DIR)/lib/$(SHARED_NAME) \
 149                 $(INSTALL_DIR)/lib/$(SHARED_NAME).old > /dev/null 2>&1; \
 150             rm -f $(INSTALL_DIR)/lib/$(SHARED_NAME).old; \
 151             cp $(SHARED_NAME) $(INSTALL_DIR)/lib; \
 152             chmod 644 $(INSTALL_DIR)/lib/$(SHARED_NAME); \
 153             chown -R root.root $(INSTALL_DIR)/lib/$(SHARED_NAME); \
 154             rm -f $(INSTALL_DIR)/lib/libuClibc.so; \
 155             ln -s $(INSTALL_DIR)/lib/$(SHARED_NAME) \
 156                     $(INSTALL_DIR)/lib/libuClibc.so; \
 157             /sbin/ldconfig; \
 158         fi;
 159         @if [ "$(HAS_MMU)" = "false" ] ; then \
 160             set -x; \
 161             rm -f $(INSTALL_DIR)/include/asm; \
 162             rm -f $(INSTALL_DIR)/include/linux; \
 163             mkdir -p $(INSTALL_DIR)/include/bits; \
 164             ln -s $(KERNEL_SOURCE)/include/asm $(INSTALL_DIR)/include/asm; \
 165             ln -s $(KERNEL_SOURCE)/include/linux $(INSTALL_DIR)/include/linux; \
 166             find include/ -type f -depth -print | cpio -pdmu $(INSTALL_DIR); \
 167             find include/bits/ -depth -print | cpio -pdmu $(INSTALL_DIR); \
 168             rm -f $(INSTALL_DIR)/lib/$(STATIC_NAME); \
 169             cp $(STATIC_NAME) $(INSTALL_DIR)/lib; \
 170             chmod 644 $(INSTALL_DIR)/lib/$(STATIC_NAME); \
 171             chown -R root.root $(INSTALL_DIR)/lib/$(STATIC_NAME); \
 172             if [ -f crt0.o ] ; then \
 173                 rm -f $(INSTALL_DIR)/lib/crt0.o; \
 174                 cp crt0.o $(INSTALL_DIR)/lib ; \
 175                 chmod 644 $(INSTALL_DIR)/lib/crt0.o; \
 176                 chown -R root.root $(INSTALL_DIR)/lib/crt0.o; \
 177             fi; \
 178             chmod -R 775 `find $(INSTALL_DIR)/include -type d`; \
 179             chmod -R 644 `find $(INSTALL_DIR)/include -type f`; \
 180             chown -R root.root $(INSTALL_DIR)/include; \
 181         fi;
 182
 183 uClibc_config.h: Config
 184         @echo "/* WARNING!!! AUTO-GENERATED FILE!!! DO NOT EDIT!!! */" > uClibc_config.h
 185         @echo "#if !defined __FEATURES_H && !defined __need_uClibc_config_h" >> uClibc_config.h
 186         @echo "#error Never include <bits/uClibc_config.h> directly; use <features.h> instead." >> uClibc_config.h
 187         @echo "#endif" >> uClibc_config.h
 188         @echo "#define linux 1" >> uClibc_config.h
 189         @echo "#define __linux__ 1" >> uClibc_config.h
 190         @if [ "$(HAS_MMU)" = "true" ] ; then \
 191             echo "#define __UCLIBC_HAS_MMU__ 1" >> uClibc_config.h ; \
 192         else \
 193             echo "#undef __UCLIBC_HAS_MMU__" >> uClibc_config.h ; \
 194         fi
 195         @if [ "$(HAS_FLOATS)" = "true" ] ; then \
 196             echo "#define __UCLIBC_HAS_FLOATS__ 1" >> uClibc_config.h ; \
 197         else \
 198             echo "#undef __UCLIBC_HAS_FLOATS__" >> uClibc_config.h ; \
 199         fi
 200         @if [ "$(HAS_LONG_LONG)" = "true" ] ; then \
 201             echo "#define __UCLIBC_HAS_LONG_LONG__ 1" >> uClibc_config.h ; \
 202         else \
 203             echo "#undef __UCLIBC_HAS_LONG_LONG__" >> uClibc_config.h ; \
 204         fi
 205         @if [ "$(HAS_LOCALE)" = "true" ] ; then \
 206             echo "#define __UCLIBC_HAS_LOCALE__ 1" >> uClibc_config.h ; \
 207             echo "#define __UCLIBC_LOCALE_DIR \""$(LOCALE_DIR)"\"" >> uClibc_config.h ; \
 208         else \
 209             echo "#undef __UCLIBC_HAS_LOCALE__" >> uClibc_config.h ; \
 210         fi
 211         @if [ "$(TARGET_ARCH)" = "m68k" ] ; then \
 212             echo "#define __VFORK_MACRO__ 1" >> uClibc_config.h ; \
 213             if [ `expr match "$(CC)" ".*\(m68k-elf-.*\)"`x = x ]; then \
 214                 echo "#define const" >> uClibc_config.h ; \
 215                 echo "#define __const" >> uClibc_config.h ; \
 216                 echo "#define __extension" >> uClibc_config.h ; \
 217             fi; \
 218         else \
 219             echo "#undef __VFORK_MACRO__" >> uClibc_config.h ; \
 220         fi
 221         @if [ "$(TARGET_ARCH)" = "sh" ] ; then \
 222             echo "#define NO_UNDERSCORES 1" >> uClibc_config.h ; \
 223         else \
 224             echo "#undef NO_UNDERSCORES" >> uClibc_config.h ; \
 225         fi
 226
 227 .PHONY: dummy
 228