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: libc.a $(DO_SHARED) done
  38
  39 libc.a: halfclean headers uClibc_config.h subdirs
  40         $(CROSS)ranlib libc.a
  41
  42 shared: libc.a
  43         @rm -rf tmp
  44         @mkdir tmp
  45         @(cd tmp; CC=$(CC) /bin/sh ../extra/scripts/get-needed-libgcc-objects.sh)
  46         if [ -s ./tmp/libgcc-need.a ] ; then \
  47                 $(CC) -g $(LDFLAGS) -shared -o $(SHARED_FULLNAME) \
  48                     -Wl,-soname,$(SHARED_MAJORNAME) -Wl,--whole-archive \
  49                     ./libc.a ./tmp/libgcc-need.a ; \
  50         else \
  51                 $(CC) -g $(LDFLAGS) -shared -o $(SHARED_FULLNAME) \
  52                     -Wl,-soname,$(SHARED_MAJORNAME) -Wl,--whole-archive \
  53                     ./libc.a ; \
  54         fi
  55         @rm -rf tmp
  56         ln -sf $(SHARED_FULLNAME) $(SHARED_MAJORNAME)
  57         ln -sf $(SHARED_MAJORNAME) libc.so
  58
  59 done: libc.a $(DO_SHARED)
  60         @echo
  61         @echo Finally finished compiling...
  62         @echo
  63
  64 halfclean:
  65         @rm -f libc.a crt0.o uClibc_config.h
  66         @rm -f $(SHARED_FULLNAME) $(SHARED_MAJORNAME) libc.so
  67
  68 headers: dummy
  69         @rm -f include/asm include/linux include/bits
  70         @ln -s $(KERNEL_SOURCE)/include/asm include/asm
  71         @if [ ! -f include/asm/unistd.h ] ; then \
  72             echo " "; \
  73             echo "The path '$(KERNEL_SOURCE)/include/asm' doesn't exist."; \
  74             echo "I bet you didn't set KERNEL_SOURCE, TARGET_ARCH or HAS_MMU in \`Config'"; \
  75             echo "correctly.  Please edit \`Config' and fix these settings."; \
  76             echo " "; \
  77             /bin/false; \
  78         fi;
  79         @if [ $(HAS_MMU) != "true" ]  && [ $(TARGET_ARCH) = "i386" ] ; then \
  80             echo "WARNING: I bet your x86 system really has an MMU, right?"; \
  81             echo "         malloc and friends won't work unless you fix \`Config'"; \
  82             echo " "; \
  83             sleep 10; \
  84         fi;
  85         @ln -s $(KERNEL_SOURCE)/include/linux include/linux
  86         @ln -s ../sysdeps/linux/$(TARGET_ARCH)/bits include/bits
  87         @ln -sf ../../../../uClibc_config.h sysdeps/linux/$(TARGET_ARCH)/bits/uClibc_config.h
  88
  89
  90 tags:
  91         ctags -R
  92
  93 clean: subdirs_clean halfclean
  94         @rm -rf tmp
  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_FULLNAME) $(INSTALL_DIR)/lib/
 113         (cd $(INSTALL_DIR)/lib;ln -sf $(SHARED_FULLNAME) $(SHARED_MAJORNAME))
 114         (cd $(INSTALL_DIR)/lib;ln -sf $(SHARED_MAJORNAME) libc.so)
 115 # ldconfig is really not necessary, and impossible to cross
 116 #ifeq ($(INSTALL_DIR),)
 117 #       /sbin/ldconfig -n $(INSTALL_DIR)/lib
 118 #endif
 119 else
 120         echo shared library not installed
 121 endif
 122
 123 # Installs development library and headers
 124 # This is done with the assumption that it can blow away anything
 125 # in $(INSTALL_DIR)/include.  Probably true only if you're using
 126 # a packaging system.
 127 install_dev:
 128         install -d $(INSTALL_DIR)/include
 129         install -d $(INSTALL_DIR)/include/bits
 130         rm -f $(INSTALL_DIR)/include/asm
 131         rm -f $(INSTALL_DIR)/include/linux
 132         ln -s $(KERNEL_SOURCE)/include/asm $(INSTALL_DIR)/include/asm
 133         ln -s $(KERNEL_SOURCE)/include/linux $(INSTALL_DIR)/include/linux
 134         find include/ -type f -depth -not -path "*CVS*" -exec install -D -m 644 {} $(INSTALL_DIR)/'{}' ';'
 135         find include/bits/ -type f -depth -not -path "*CVS*" -exec install -D -m 644 {} $(INSTALL_DIR)/'{}' ';'
 136         install -m 644 include/bits/uClibc_config.h $(INSTALL_DIR)/include/bits/
 137         install -d $(INSTALL_DIR)/lib
 138         rm -f $(INSTALL_DIR)/lib/libc.a
 139         install -m 644 libc.a $(INSTALL_DIR)/lib/
 140         @if [ -f crt0.o ] ; then install -m 644 crt0.o $(INSTALL_DIR)/lib/; fi
 141         install -d $(INSTALL_DIR)/bin
 142         @if [ -f extra/gcc-uClibc/$(TARGET_ARCH)-uclibc-gcc ] ; then install -m 755 extra/gcc-uClibc/$(TARGET_ARCH)-uclibc-gcc $(INSTALL_DIR)/bin/ ; fi
 143
 144 install:
 145         echo Consider using 'make install_new'
 146         @if [ `id -u` -ne 0 ]; then \
 147             echo "Aborting install -- You must be root."; \
 148             /bin/false; \
 149         fi;
 150         @if [ -n "$(DO_SHARED)" ] ; then \
 151             set -x; \
 152             mv -f $(INSTALL_DIR)/lib/$(SHARED_NAME) \
 153                 $(INSTALL_DIR)/lib/$(SHARED_NAME).old > /dev/null 2>&1; \
 154             rm -f $(INSTALL_DIR)/lib/$(SHARED_NAME).old; \
 155             cp $(SHARED_NAME) $(INSTALL_DIR)/lib; \
 156             chmod 644 $(INSTALL_DIR)/lib/$(SHARED_NAME); \
 157             chown -R root.root $(INSTALL_DIR)/lib/$(SHARED_NAME); \
 158             rm -f $(INSTALL_DIR)/lib/libc.so; \
 159             ln -s $(INSTALL_DIR)/lib/$(SHARED_NAME) \
 160                     $(INSTALL_DIR)/lib/libc.so; \
 161             /sbin/ldconfig; \
 162         fi;
 163         @if [ "$(HAS_MMU)" = "false" ] ; then \
 164             set -x; \
 165             rm -f $(INSTALL_DIR)/include/asm; \
 166             rm -f $(INSTALL_DIR)/include/linux; \
 167             mkdir -p $(INSTALL_DIR)/include/bits; \
 168             ln -s $(KERNEL_SOURCE)/include/asm $(INSTALL_DIR)/include/asm; \
 169             ln -s $(KERNEL_SOURCE)/include/linux $(INSTALL_DIR)/include/linux; \
 170             find include/ -type f -depth -print | cpio -pdmu $(INSTALL_DIR); \
 171             find include/bits/ -depth -print | cpio -pdmu $(INSTALL_DIR); \
 172             rm -f $(INSTALL_DIR)/lib/libc.a; \
 173             cp libc.a $(INSTALL_DIR)/lib; \
 174             chmod 644 $(INSTALL_DIR)/lib/libc.a; \
 175             chown -R root.root $(INSTALL_DIR)/lib/libc.a; \
 176             if [ -f crt0.o ] ; then \
 177                 rm -f $(INSTALL_DIR)/lib/crt0.o; \
 178                 cp crt0.o $(INSTALL_DIR)/lib ; \
 179                 chmod 644 $(INSTALL_DIR)/lib/crt0.o; \
 180                 chown -R root.root $(INSTALL_DIR)/lib/crt0.o; \
 181             fi; \
 182             chmod -R 775 `find $(INSTALL_DIR)/include -type d`; \
 183             chmod -R 644 `find $(INSTALL_DIR)/include -type f`; \
 184             chown -R root.root $(INSTALL_DIR)/include; \
 185         fi;
 186
 187 uClibc_config.h: Config
 188         @echo "/* WARNING!!! AUTO-GENERATED FILE!!! DO NOT EDIT!!! */" > uClibc_config.h
 189         @echo "#if !defined __FEATURES_H && !defined __need_uClibc_config_h" >> uClibc_config.h
 190         @echo "#error Never include <bits/uClibc_config.h> directly; use <features.h> instead." >> uClibc_config.h
 191         @echo "#endif" >> uClibc_config.h
 192         @echo "#define linux 1" >> uClibc_config.h
 193         @echo "#define __linux__ 1" >> uClibc_config.h
 194         @if [ "$(HAS_MMU)" = "true" ] ; then \
 195             echo "#define __UCLIBC_HAS_MMU__ 1" >> uClibc_config.h ; \
 196         else \
 197             echo "#undef __UCLIBC_HAS_MMU__" >> uClibc_config.h ; \
 198         fi
 199         @if [ "$(HAS_FLOATS)" = "true" ] ; then \
 200             echo "#define __UCLIBC_HAS_FLOATS__ 1" >> uClibc_config.h ; \
 201         else \
 202             echo "#undef __UCLIBC_HAS_FLOATS__" >> uClibc_config.h ; \
 203         fi
 204         @if [ "$(HAS_LONG_LONG)" = "true" ] ; then \
 205             echo "#define __UCLIBC_HAS_LONG_LONG__ 1" >> uClibc_config.h ; \
 206         else \
 207             echo "#undef __UCLIBC_HAS_LONG_LONG__" >> uClibc_config.h ; \
 208         fi
 209         @if [ "$(HAS_LOCALE)" = "true" ] ; then \
 210             echo "#define __UCLIBC_HAS_LOCALE__ 1" >> uClibc_config.h ; \
 211             echo "#define __UCLIBC_LOCALE_DIR \""$(LOCALE_DIR)"\"" >> uClibc_config.h ; \
 212         else \
 213             echo "#undef __UCLIBC_HAS_LOCALE__" >> uClibc_config.h ; \
 214         fi
 215         @if [ "$(TARGET_ARCH)" = "m68k" ] ; then \
 216             echo "#define __VFORK_MACRO__ 1" >> uClibc_config.h ; \
 217             if [ `expr match "$(CC)" ".*\(m68k-elf-.*\)"`x = x ]; then \
 218                 echo "#define const" >> uClibc_config.h ; \
 219                 echo "#define __const" >> uClibc_config.h ; \
 220                 echo "#define __extension" >> uClibc_config.h ; \
 221             fi; \
 222         else \
 223             echo "#undef __VFORK_MACRO__" >> uClibc_config.h ; \
 224         fi
 225         @if [ "$(TARGET_ARCH)" = "sh" ] ; then \
 226             echo "#define NO_UNDERSCORES 1" >> uClibc_config.h ; \
 227         else \
 228             echo "#undef NO_UNDERSCORES" >> uClibc_config.h ; \
 229         fi
 230
 231 .PHONY: dummy
 232