Rules.mak 3.8 KB

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  1. # Rules.make for uClibc
  2. #
  3. # This file contains rules which are shared between multiple Makefiles. All
  4. # normal configuration options live in the file named "Config". You probably
  5. # should not mess with this file unless you know what you are doing...
  6. # -Erik Andersen <andersen@lineo.com> < andersee@debian.org>
  7. #
  8. # Copyright (C) 2000, 2001 by Lineo, inc.
  9. #
  10. # This program is free software; you can redistribute it and/or modify it under
  11. # the terms of the GNU Library General Public License as published by the Free
  12. # Software Foundation; either version 2 of the License, or (at your option) any
  13. # later version.
  14. #
  15. # This program is distributed in the hope that it will be useful, but WITHOUT
  16. # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  17. # FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
  18. # details.
  19. #
  20. # You should have received a copy of the GNU Library General Public License
  21. # along with this program; if not, write to the Free Software Foundation, Inc.,
  22. # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  23. #
  24. include $(TOPDIR)Config
  25. MAJOR_VERSION=0
  26. MINOR_VERSION=9.5
  27. VERSION=$(MAJOR_VERSION).$(MINOR_VERSION)
  28. LIBNAME=libc.a
  29. SHARED_FULLNAME=libuClibc-$(MAJOR_VERSION).$(MINOR_VERSION).so
  30. SHARED_MAJORNAME=libc.so.$(MAJOR_VERSION)
  31. UCLIBC_LDSO=ld-uClibc.so.$(MAJOR_VERSION)
  32. LIBC=$(TOPDIR)libc/libc.a
  33. BUILDTIME = $(shell TZ=UTC date --utc "+%Y.%m.%d-%H:%M%z")
  34. GCCINCDIR = $(shell $(CC) -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp")
  35. # use '-Os' optimization if available, else use -O2, allow Config to override
  36. ifndef OPTIMIZATION
  37. OPTIMIZATION = $(shell if $(CC) -Os -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \
  38. then echo "-Os"; else echo "-O2" ; fi)
  39. endif
  40. ARFLAGS=r
  41. CCFLAGS=$(WARNINGS) $(OPTIMIZATION) -fno-builtin -nostdinc $(CPUFLAGS) -I$(TOPDIR)include -I$(GCCINCDIR) -I. -D_LIBC
  42. TARGET_CCFLAGS=--uclibc-use-build-dir $(WARNINGS) $(OPTIMIZATION) $(CPUFLAGS)
  43. CFLAGS=$(ARCH_CFLAGS) $(CCFLAGS) $(DEFS) $(ARCH_CFLAGS2)
  44. TARGET_CC= $(TOPDIR)extra/gcc-uClibc/$(TARGET_ARCH)-uclibc-gcc
  45. TARGET_CFLAGS=$(ARCH_CFLAGS) $(TARGET_CCFLAGS) $(DEFS) $(ARCH_CFLAGS2)
  46. NATIVE_ARCH = $(shell uname -m | sed -e 's/i.86/i386/' -e 's/sparc.*/sparc/' \
  47. -e 's/arm.*/arm/g' -e 's/m68k.*/m68k/' -e 's/ppc/powerpc/g')
  48. ifeq ($(strip $(DODEBUG)),true)
  49. CFLAGS += -g
  50. TARGET_CFLAGS += -g
  51. LDFLAGS = -nostdlib -Wl,-warn-common
  52. TARGET_LDFLAGS = --uclibc-use-build-dir -Wl,-warn-common
  53. STRIPTOOL = /bin/true -Since_we_are_debugging
  54. else
  55. CFLAGS += -DNDEBUG #-fomit-frame-pointer
  56. TARGET_CFLAGS += -DNDEBUG #-fomit-frame-pointer
  57. LDFLAGS = -s -nostdlib -Wl,-warn-common
  58. TARGET_LDFLAGS = --uclibc-use-build-dir -s -Wl,-warn-common
  59. endif
  60. ifeq ($(strip $(DOPIC)),true)
  61. CFLAGS += -fPIC
  62. endif
  63. # Disable libm if HAS_FLOATING_POINT isn't true.
  64. ifneq ($(HAS_FLOATING_POINT),true)
  65. HAS_LIBM_FLOAT = false
  66. HAS_LIBM_DOUBLE = false
  67. HAS_LIBM_LONG_DOUBLE = false
  68. endif
  69. ifeq ($(strip $(HAVE_SHARED)),true)
  70. LIBRARY_CACHE=#-DUSE_CACHE
  71. ifeq ($(strip $(BUILD_UCLIBC_LDSO)),true)
  72. LDSO=$(TOPDIR)lib/$(UCLIBC_LDSO)
  73. DYNAMIC_LINKER=$(SHARED_LIB_LOADER_PATH)/$(UCLIBC_LDSO)
  74. BUILD_DYNAMIC_LINKER=$(shell cd $(TOPDIR)lib; pwd)/$(UCLIBC_LDSO)
  75. else
  76. LDSO=$(SYSTEM_LDSO)
  77. DYNAMIC_LINKER=/lib/$(notdir $(SYSTEM_LDSO))
  78. BUILD_DYNAMIC_LINKER=/lib/$(notdir $(SYSTEM_LDSO))
  79. endif
  80. endif
  81. # TARGET_PREFIX is the directory under which which the uClibc runtime
  82. # environment will be installed and used on the target system. The
  83. # result will look something like the following:
  84. # TARGET_PREFIX/
  85. # lib/ <contains all runtime and static libs>
  86. # usr/lib/ <this directory is searched for runtime libs>
  87. # etc/ <weher the shared library cache and configuration
  88. # information go if you enabled LIBRARY_CACHE above>
  89. # Very few people will need to change this value from the default...
  90. TARGET_PREFIX = /