Makefile 3.1 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 $(UCLIBC_CTOR_DTOR)),y)
  31. CRTOBJS="../../lib/crti.o ../../lib/crt0.o ../../lib/crtn.o"
  32. else
  33. CRTOBJS="../../lib/crt0.o"
  34. endif
  35. DIRS = misc pwd_grp stdio string termios inet signal stdlib sysdeps unistd
  36. # Check if the target architecture has a version script for
  37. # libc, and if so, include it when linking.
  38. VERSION_SCRIPT:=${shell if [ -f sysdeps/linux/$(TARGET_ARCH)/libc.map ] ; then \
  39. echo "--version-script sysdeps/linux/$(TARGET_ARCH)/libc.map"; fi}
  40. all: halfclean subdirs $(LIBNAME) $(DO_SHARED)
  41. ar-target:
  42. $(CROSS)ranlib $(LIBNAME)
  43. install -d $(TOPDIR)lib
  44. rm -f $(TOPDIR)lib/$(LIBNAME)
  45. install -m 644 $(LIBNAME) $(TOPDIR)lib
  46. $(LIBNAME): subdirs ar-target
  47. shared: $(TOPDIR)lib/$(LIBNAME)
  48. @rm -rf tmp
  49. @mkdir tmp
  50. $(AR) rv ./tmp/libgcc-need.a
  51. @(cd tmp && CC=$(CC) LD=$(LD) LDFLAGS=$(CPU_LDFLAGS-y) NM=$(NM) AR=$(AR) \
  52. LIBGCC=$(LIBGCC) CRTOBJS=$(CRTOBJS) \
  53. /bin/sh $(TOPDIR)../extra/scripts/get-needed-libgcc-objects.sh)
  54. $(LD) $(LDFLAGS) $(VERSION_SCRIPT) -soname=$(SHARED_MAJORNAME) -o $(SHARED_FULLNAME) \
  55. --whole-archive ./tmp/libgcc-need.a $(LIBNAME) --no-whole-archive \
  56. -init __uClibc_init $(TOPDIR)/libc/misc/internals/interp.o \
  57. $(LIBGCC)
  58. @true #rm -rf tmp
  59. install -d $(TOPDIR)lib
  60. rm -f $(TOPDIR)lib/$(SHARED_FULLNAME)
  61. install -m 644 $(SHARED_FULLNAME) $(TOPDIR)lib
  62. (cd ../lib && ln -sf $(SHARED_FULLNAME) libc.so);
  63. (cd ../lib && ln -sf $(SHARED_FULLNAME) $(SHARED_MAJORNAME));
  64. halfclean:
  65. @rm -f $(LIBNAME) uClibc_config.h
  66. @rm -f $(SHARED_FULLNAME) $(SHARED_MAJORNAME) uClibc-0.* libc.so*
  67. tags:
  68. ctags -R
  69. clean: subdirs_clean halfclean
  70. @rm -rf tmp
  71. rm -f include/asm include/linux include/bits
  72. subdirs: $(patsubst %, _dir_%, $(DIRS))
  73. subdirs_clean: $(patsubst %, _dirclean_%, $(DIRS))
  74. $(patsubst %, _dir_%, $(DIRS)) : dummy
  75. $(MAKE) -C $(patsubst _dir_%, %, $@)
  76. $(patsubst %, _dirclean_%, $(DIRS)) : dummy
  77. $(MAKE) -C $(patsubst _dirclean_%, %, $@) clean
  78. .PHONY: dummy subdirs