Makefile 4.8 KB

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  1. # Makefile for uClibc's math library
  2. #
  3. # Copyright (C) 2000-2002 Erik Andersen <andersen@uclibc.org>
  4. #
  5. # The routines included in this math library are derived from the
  6. # math library for Apple's MacOS X/Darwin math library, which was
  7. # itself swiped from FreeBSD. The original copyright information
  8. # is as follows:
  9. #
  10. # Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
  11. #
  12. # Developed at SunPro, a Sun Microsystems, Inc. business.
  13. # Permission to use, copy, modify, and distribute this
  14. # software is freely granted, provided that this notice
  15. # is preserved.
  16. #
  17. # It has been ported to work with uClibc and generally behave
  18. # by Erik Andersen <andersen@codepoet.org>
  19. #
  20. # This program is free software; you can redistribute it and/or modify it under
  21. # the terms of the GNU Library General Public License as published by the Free
  22. # Software Foundation; either version 2 of the License, or (at your option) any
  23. # later version.
  24. #
  25. # This program is distributed in the hope that it will be useful, but WITHOUT
  26. # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  27. # FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
  28. # details.
  29. #
  30. # You should have received a copy of the GNU Library General Public License
  31. # along with this program; if not, write to the Free Software Foundation, Inc.,
  32. # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  33. TOPDIR=../
  34. include $(TOPDIR)Rules.mak
  35. DIRS =
  36. ifeq ($(strip $(HAS_FPU)),y)
  37. ifeq ($(TARGET_ARCH),$(wildcard $(TARGET_ARCH)))
  38. DIRS = $(TARGET_ARCH)
  39. endif
  40. endif
  41. ALL_SUBDIRS = powerpc
  42. LIBM=libm.a
  43. LIBM_SHARED=libm.so
  44. LIBM_SHARED_FULLNAME=libm-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
  45. CFLAGS+=-D_IEEE_LIBM -D_ISOC99_SOURCE -D_SVID_SOURCE
  46. ifeq ($(strip $(DO_C99_MATH)),y)
  47. CSRC = e_acos.c e_acosh.c e_asin.c e_atan2.c e_atanh.c e_cosh.c\
  48. e_exp.c e_fmod.c e_gamma.c e_gamma_r.c e_hypot.c e_j0.c\
  49. e_j1.c e_jn.c e_lgamma.c e_lgamma_r.c e_log.c e_log10.c\
  50. e_pow.c e_remainder.c e_rem_pio2.c e_scalb.c e_sinh.c\
  51. e_sqrt.c k_cos.c k_rem_pio2.c k_sin.c k_standard.c k_tan.c\
  52. s_asinh.c s_atan.c s_cbrt.c s_ceil.c s_copysign.c s_cos.c\
  53. s_erf.c s_expm1.c s_fabs.c s_finite.c s_floor.c s_frexp.c\
  54. s_ilogb.c s_ldexp.c s_lib_version.c s_log1p.c s_logb.c\
  55. s_matherr.c s_modf.c s_nextafter.c s_rint.c s_scalbn.c\
  56. s_signgam.c s_significand.c s_sin.c s_tan.c s_tanh.c\
  57. w_acos.c w_acosh.c w_asin.c w_atan2.c w_atanh.c w_cabs.c\
  58. w_cosh.c w_drem.c w_exp.c w_fmod.c w_gamma.c w_gamma_r.c\
  59. w_hypot.c w_j0.c w_j1.c w_jn.c w_lgamma.c w_lgamma_r.c\
  60. w_log.c w_log10.c w_pow.c w_remainder.c w_scalb.c w_sinh.c\
  61. w_sqrt.c w_sqrtf.c fpmacros.c nan.c s_ceilf.c s_floorf.c
  62. else
  63. # This list of math functions was taken from POSIX/IEEE 1003.1b-1993
  64. CSRC = w_acos.c w_asin.c s_atan.c w_atan2.c s_ceil.c s_cos.c \
  65. w_cosh.c w_exp.c s_fabs.c s_floor.c w_fmod.c s_frexp.c \
  66. s_ldexp.c w_log.c w_log10.c s_modf.c w_pow.c s_sin.c \
  67. w_sinh.c w_sqrt.c s_tan.c s_tanh.c
  68. CSRC+= s_expm1.c s_scalbn.c s_copysign.c e_acos.c e_asin.c e_atan2.c \
  69. k_cos.c e_cosh.c e_exp.c e_fmod.c e_log.c e_log10.c e_pow.c \
  70. k_sin.c e_sinh.c e_sqrt.c k_tan.c e_rem_pio2.c k_rem_pio2.c \
  71. s_finite.c
  72. # We'll add sqrtf to avoid different configurations of libstdc++.
  73. CSRC+= w_sqrtf.c
  74. endif
  75. COBJS=$(patsubst %.c,%.o, $(CSRC))
  76. OBJS=$(COBJS)
  77. ifneq ($(strip $(UCLIBC_HAS_FLOATS)),y)
  78. all: clean subdirs
  79. else
  80. all: $(LIBM) subdirs
  81. endif
  82. $(LIBM): ar-target
  83. @if [ -f $(LIBM) ] ; then \
  84. set -x -e; \
  85. $(INSTALL) -d $(TOPDIR)lib; \
  86. $(RM) $(TOPDIR)lib/$(LIBM); \
  87. $(INSTALL) -m 644 $(LIBM) $(TOPDIR)lib; \
  88. fi;
  89. shared: all
  90. @if [ -f $(LIBM) ] ; then \
  91. set -x -e; \
  92. $(LD) $(LDFLAGS) -soname=$(LIBM_SHARED).$(MAJOR_VERSION) \
  93. -o $(LIBM_SHARED_FULLNAME) --whole-archive $(LIBM) \
  94. --no-whole-archive $(TOPDIR)libc/misc/internals/interp.o \
  95. -L$(TOPDIR)lib -lc $(LDADD_LIBFLOAT) $(LIBGCC); \
  96. $(INSTALL) -d $(TOPDIR)lib; \
  97. $(RM) $(TOPDIR)lib/$(LIBM_SHARED_FULLNAME) $(TOPDIR)lib/$(LIBM_SHARED).$(MAJOR_VERSION); \
  98. $(INSTALL) -m 644 $(LIBM_SHARED_FULLNAME) $(TOPDIR)lib; \
  99. $(LN) -sf $(LIBM_SHARED_FULLNAME) $(TOPDIR)lib/$(LIBM_SHARED); \
  100. $(LN) -sf $(LIBM_SHARED_FULLNAME) $(TOPDIR)lib/$(LIBM_SHARED).$(MAJOR_VERSION); \
  101. fi;
  102. ar-target: $(OBJS)
  103. $(AR) $(ARFLAGS) $(LIBM) $(OBJS)
  104. $(COBJS): %.o : %.c
  105. $(CC) $(CFLAGS) -c $< -o $@
  106. $(STRIPTOOL) -x -R .note -R .comment $*.o
  107. $(OBJ): Makefile
  108. tags:
  109. ctags -R
  110. clean: subdirs_clean
  111. $(RM) *.[oa] *~ core $(LIBM_SHARED)* $(LIBM_SHARED_FULLNAME)*
  112. subdirs: $(patsubst %, _dir_%, $(DIRS))
  113. subdirs_clean: $(patsubst %, _dirclean_%, $(ALL_SUBDIRS))
  114. $(patsubst %, _dir_%, $(DIRS)) : $(OBJS)
  115. $(MAKE) -C $(patsubst _dir_%, %, $@)
  116. $(patsubst %, _dirclean_%, $(ALL_SUBDIRS)) : dummy
  117. $(MAKE) -C $(patsubst _dirclean_%, %, $@) clean
  118. .PHONY: dummy