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 $(SHARED_NAME) -Wl,-soname,$(SHARED_NAME) -Wl,--whole-archive ./libc.a ./tmp/libgcc-need.a ; \
  51         else \
  52                 $(CC) -g $(LDFLAGS) -shared -o $(SHARED_NAME) -Wl,-soname,$(SHARED_NAME) -Wl,--whole-archive ./libc.a ; \
  53         fi
  54         @rm -rf tmp
  55
  56 done: $(STATIC_NAME) $(DO_SHARED)
  57         @echo
  58         @echo Finally finished compiling...
  59         @echo
  60
  61 halfclean:
  62         @rm -f $(STATIC_NAME) $(SHARED_NAME) crt0.o uClibc_config.h
  63
  64 headers: dummy
  65         @rm -f include/asm include/linux include/bits
  66         @ln -s $(KERNEL_SOURCE)/include/asm include/asm
  67         @if [ ! -f include/asm/unistd.h ] ; then \
  68             echo " "; \
  69             echo "The path '$(KERNEL_SOURCE)/include/asm' doesn't exist."; \
  70             echo "I bet you didn't set KERNEL_SOURCE, TARGET_ARCH or HAS_MMU in \`Config'"; \
  71             echo "correctly.  Please edit \`Config' and fix these settings."; \
  72             echo " "; \
  73             /bin/false; \
  74         fi;
  75         @if [ $(HAS_MMU) != "true" ]  && [ $(TARGET_ARCH) = "i386" ] ; then \
  76             echo "WARNING: I bet your x86 system really has an MMU, right?"; \
  77             echo "         malloc and friends won't work unless you fix \`Config'"; \
  78             echo " "; \
  79             sleep 10; \
  80         fi;
  81         @ln -s $(KERNEL_SOURCE)/include/linux include/linux
  82         @ln -s ../sysdeps/linux/$(TARGET_ARCH)/bits include/bits
  83         @ln -sf ../../../../uClibc_config.h sysdeps/linux/$(TARGET_ARCH)/bits/uClibc_config.h
  84
  85
  86 tags:
  87         ctags -R
  88
  89 clean: subdirs_clean
  90         @rm -rf tmp
  91         rm -f $(STATIC_NAME) crt0.o $(SHARED_NAME) uClibc_config.h
  92         rm -f include/asm include/linux include/bits
  93
  94 subdirs: $(patsubst %, _dir_%, $(DIRS))
  95 subdirs_clean: $(patsubst %, _dirclean_%, $(DIRS) test)
  96
  97 $(patsubst %, _dir_%, $(DIRS)) : dummy
  98         $(MAKE) -C $(patsubst _dir_%, %, $@)
  99
 100 $(patsubst %, _dirclean_%, $(DIRS) test) : dummy
 101         $(MAKE) -C $(patsubst _dirclean_%, %, $@) clean
 102
 103 install:
 104         @if [ `id -u` -ne 0 ]; then \
 105             echo "Aborting install -- You must be root."; \
 106             /bin/false; \
 107         fi;
 108         @if [ -n "$(DO_SHARED)" ] ; then \
 109             set -x; \
 110             mv -f $(INSTALL_DIR)/lib/$(SHARED_NAME) \
 111                 $(INSTALL_DIR)/lib/$(SHARED_NAME).old > /dev/null 2>&1; \
 112             rm -f $(INSTALL_DIR)/lib/$(SHARED_NAME).old; \
 113             cp $(SHARED_NAME) $(INSTALL_DIR)/lib; \
 114             chmod 644 $(INSTALL_DIR)/lib/$(SHARED_NAME); \
 115             chown -R root.root $(INSTALL_DIR)/lib/$(SHARED_NAME); \
 116             rm -f $(INSTALL_DIR)/lib/libuClibc.so; \
 117             ln -s $(INSTALL_DIR)/lib/$(SHARED_NAME) \
 118                     $(INSTALL_DIR)/lib/libuClibc.so; \
 119             ldconfig; \
 120         fi;
 121         @if [ "$(HAS_MMU)" = "false" ] ; then \
 122             set -x; \
 123             rm -f $(INSTALL_DIR)/include/asm; \
 124             rm -f $(INSTALL_DIR)/include/linux; \
 125             mkdir -p $(INSTALL_DIR)/include/bits; \
 126             ln -s $(KERNEL_SOURCE)/include/asm $(INSTALL_DIR)/include/asm; \
 127             ln -s $(KERNEL_SOURCE)/include/linux $(INSTALL_DIR)/include/linux; \
 128             find include/ -type f -depth -print | cpio -pdmu $(INSTALL_DIR); \
 129             find include/bits/ -depth -print | cpio -pdmu $(INSTALL_DIR); \
 130             rm -f $(INSTALL_DIR)/lib/$(STATIC_NAME); \
 131             cp $(STATIC_NAME) $(INSTALL_DIR)/lib; \
 132             chmod 644 $(INSTALL_DIR)/lib/$(STATIC_NAME); \
 133             chown -R root.root $(INSTALL_DIR)/lib/$(STATIC_NAME); \
 134             if [ -f crt0.o ] ; then \
 135                 rm -f $(INSTALL_DIR)/lib/crt0.o; \
 136                 cp crt0.o $(INSTALL_DIR)/lib ; \
 137                 chmod 644 $(INSTALL_DIR)/lib/crt0.o; \
 138                 chown -R root.root $(INSTALL_DIR)/lib/crt0.o; \
 139             fi; \
 140             chmod -R 775 `find $(INSTALL_DIR)/include -type d`; \
 141             chmod -R 644 `find $(INSTALL_DIR)/include -type f`; \
 142             chown -R root.root $(INSTALL_DIR)/include; \
 143         fi;
 144
 145 uClibc_config.h: Config
 146         @echo "/* WARNING!!! AUTO-GENERATED FILE!!! DO NOT EDIT!!! */" > uClibc_config.h
 147         @echo "#if !defined __FEATURES_H && !defined __need_uClibc_config_h" >> uClibc_config.h
 148         @echo "#error Never include <bits/uClibc_config.h> directly; use <features.h> instead." >> uClibc_config.h
 149         @echo "#endif" >> uClibc_config.h
 150         @if [ "$(HAS_MMU)" = "true" ] ; then \
 151             echo "#define __UCLIBC_HAS_MMU__ 1" >> uClibc_config.h ; \
 152         else \
 153             echo "#undef __UCLIBC_HAS_MMU__" >> uClibc_config.h ; \
 154         fi
 155         @if [ "$(HAS_FLOATS)" = "true" ] ; then \
 156             echo "#define __UCLIBC_HAS_FLOATS__ 1" >> uClibc_config.h ; \
 157         else \
 158             echo "#undef __UCLIBC_HAS_FLOATS__" >> uClibc_config.h ; \
 159         fi
 160         @if [ "$(HAS_LONG_LONG)" = "true" ] ; then \
 161             echo "#define __UCLIBC_HAS_LONG_LONG__ 1" >> uClibc_config.h ; \
 162         else \
 163             echo "#undef __UCLIBC_HAS_LONG_LONG__" >> uClibc_config.h ; \
 164         fi
 165         @if [ "$(HAS_LOCALE)" = "true" ] ; then \
 166             echo "#define __UCLIBC_HAS_LOCALE__ 1" >> uClibc_config.h ; \
 167             echo "#define __UCLIBC_LOCALE_DIR \""$(LOCALE_DIR)"\"" >> uClibc_config.h ; \
 168         else \
 169             echo "#undef __UCLIBC_HAS_LOCALE__" >> uClibc_config.h ; \
 170         fi
 171         @if [ "$(TARGET_ARCH)" = "m68k" ] ; then \
 172             echo "#define __VFORK_MACRO__ 1" >> uClibc_config.h ; \
 173             echo "#define const" >> uClibc_config.h ; \
 174             echo "#define __const" >> uClibc_config.h ; \
 175             echo "#define __extension" >> uClibc_config.h ; \
 176         else \
 177             echo "#undef __VFORK_MACRO__" >> uClibc_config.h ; \
 178         fi
 179         @if [ "$(TARGET_ARCH)" = "sh" ] ; then \
 180             echo "#define NO_UNDERSCORES 1" >> uClibc_config.h ; \
 181         else \
 182             echo "#undef NO_UNDERSCORES" >> uClibc_config.h ; \
 183         fi
 184
 185 .PHONY: dummy
 186