Makefile 3.2 KB

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  1. # Makefile for uClibc
  2. #
  3. # Copyright (C) 2000 by Lineo, inc.
  4. # Copyright (C) 2000,2001 Erik Andersen <andersen@uclibc.org>
  5. #
  6. # This program is free software; you can redistribute it and/or modify it under
  7. # the terms of the GNU Library General Public License as published by the Free
  8. # Software Foundation; either version 2 of the License, or (at your option) any
  9. # later version.
  10. #
  11. # This program is distributed in the hope that it will be useful, but WITHOUT
  12. # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  13. # FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
  14. # details.
  15. #
  16. # You should have received a copy of the GNU Library General Public License
  17. # along with this program; if not, write to the Free Software Foundation, Inc.,
  18. # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19. #
  20. # Derived in part from the Linux-8086 C library, the GNU C Library, and several
  21. # other sundry sources. Files within this library are copyright by their
  22. # respective copyright holders.
  23. #--------------------------------------------------------
  24. #
  25. #There are a number of configurable options in "Config"
  26. #
  27. #--------------------------------------------------------
  28. TOPDIR=../
  29. include $(TOPDIR)Rules.mak
  30. ifeq ($(strip $(UCLIBC_CTOR_DTOR)),y)
  31. CRTOBJS="../../lib/crti.o ../../lib/crt0.o ../../lib/crtn.o"
  32. else
  33. CRTOBJS="../../lib/crt0.o"
  34. endif
  35. ifeq ($(strip $(ADD_LIBGCC_FUNCTIONS)),y)
  36. LIBGCC_NEED=./tmp/libgcc-need.a
  37. else
  38. LIBGCC=
  39. endif
  40. DIRS = misc pwd_grp stdio string termios inet signal stdlib sysdeps unistd
  41. # Check if the target architecture has a version script for
  42. # libc, and if so, include it when linking.
  43. VERSION_SCRIPT:=${shell if [ -f sysdeps/linux/$(TARGET_ARCH)/libc.map ] ; then \
  44. echo "--version-script sysdeps/linux/$(TARGET_ARCH)/libc.map"; fi}
  45. all: halfclean subdirs $(LIBNAME) $(DO_SHARED)
  46. ar-target:
  47. $(CROSS)ranlib $(LIBNAME)
  48. install -d $(TOPDIR)lib
  49. rm -f $(TOPDIR)lib/$(LIBNAME)
  50. install -m 644 $(LIBNAME) $(TOPDIR)lib
  51. $(LIBNAME): subdirs ar-target
  52. shared: $(TOPDIR)lib/$(LIBNAME) $(LIBGCC_NEED)
  53. $(LD) $(LDFLAGS) $(VERSION_SCRIPT) -soname=$(SHARED_MAJORNAME) -o $(SHARED_FULLNAME) \
  54. --whole-archive $(LIBGCC_NEED) $(LIBNAME) \
  55. $(TOPDIR)/libc/misc/internals/interp.o --no-whole-archive \
  56. -init __uClibc_init $(LIBGCC)
  57. @true #rm -rf tmp
  58. install -d $(TOPDIR)lib
  59. rm -f $(TOPDIR)lib/$(SHARED_FULLNAME)
  60. install -m 644 $(SHARED_FULLNAME) $(TOPDIR)lib
  61. (cd ../lib && ln -sf $(SHARED_FULLNAME) libc.so);
  62. (cd ../lib && ln -sf $(SHARED_FULLNAME) $(SHARED_MAJORNAME));
  63. $(LIBGCC_NEED): $(TOPDIR)lib/$(LIBNAME)
  64. @rm -rf tmp
  65. @mkdir tmp
  66. $(AR) rv $@
  67. @(cd tmp && CC=$(CC) LD=$(LD) LDFLAGS=$(CPU_LDFLAGS-y) NM=$(NM) AR=$(AR) \
  68. LIBGCC=$(LIBGCC) CRTOBJS=$(CRTOBJS) \
  69. /bin/sh $(TOPDIR)../extra/scripts/get-needed-libgcc-objects.sh)
  70. halfclean:
  71. @rm -f $(LIBNAME) uClibc_config.h
  72. @rm -f $(SHARED_FULLNAME) $(SHARED_MAJORNAME) uClibc-0.* libc.so*
  73. tags:
  74. ctags -R
  75. clean: subdirs_clean halfclean
  76. @rm -rf tmp
  77. rm -f include/asm include/linux include/bits
  78. subdirs: $(patsubst %, _dir_%, $(DIRS))
  79. subdirs_clean: $(patsubst %, _dirclean_%, $(DIRS))
  80. $(patsubst %, _dir_%, $(DIRS)) : dummy
  81. $(MAKE) -C $(patsubst _dir_%, %, $@)
  82. $(patsubst %, _dirclean_%, $(DIRS)) : dummy
  83. $(MAKE) -C $(patsubst _dirclean_%, %, $@) clean
  84. .PHONY: dummy subdirs