Makefile.in 5.1 KB

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  1. # Makefile for uClibc
  2. #
  3. # Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
  4. #
  5. # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  6. #
  7. # The routines included in this math library are derived from the
  8. # math library for Apple's MacOS X/Darwin math library, which was
  9. # itself swiped from FreeBSD. The original copyright information
  10. # is as follows:
  11. #
  12. # Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
  13. #
  14. # Developed at SunPro, a Sun Microsystems, Inc. business.
  15. # Permission to use, copy, modify, and distribute this
  16. # software is freely granted, provided that this notice
  17. # is preserved.
  18. #
  19. # It has been ported to work with uClibc and generally behave
  20. # by Erik Andersen <andersen@codepoet.org>
  21. #
  22. CFLAGS-libm := -DNOT_IN_libc -DIS_IN_libm $(SSP_ALL_CFLAGS)
  23. CFLAGS-libm += -D_IEEE_LIBM -D_ISOC99_SOURCE -D_SVID_SOURCE
  24. CFLAGS-libm/$(TARGET_ARCH)/ := $(CFLAGS-libm)
  25. CFLAGS-s_lib_version.c := -D_POSIX_MODE
  26. LDFLAGS-libm.so := $(LDFLAGS)
  27. LIBS-libm.so := $(LIBS)
  28. libm_FULL_NAME := libm-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
  29. ifeq ($(HAS_FPU),y)
  30. -include $(top_srcdir)libm/$(TARGET_ARCH)/Makefile.arch
  31. endif
  32. FL_MSRC := float_wrappers.c
  33. ifeq ($(DO_C99_MATH),y)
  34. CSRC := \
  35. e_acos.c e_acosh.c e_asin.c e_atan2.c e_atanh.c e_cosh.c \
  36. e_exp.c e_fmod.c e_gamma.c e_gamma_r.c e_hypot.c e_j0.c \
  37. e_j1.c e_jn.c e_lgamma.c e_lgamma_r.c e_log.c e_log10.c \
  38. e_pow.c e_remainder.c e_rem_pio2.c e_scalb.c e_sinh.c \
  39. e_sqrt.c k_cos.c k_rem_pio2.c k_sin.c k_standard.c k_tan.c \
  40. s_asinh.c s_atan.c s_cbrt.c s_ceil.c s_copysign.c s_cos.c \
  41. s_erf.c s_expm1.c s_fabs.c s_finite.c s_floor.c s_frexp.c \
  42. s_ilogb.c s_ldexp.c s_lib_version.c s_lround.c s_llround.c \
  43. s_log1p.c s_logb.c s_matherr.c s_modf.c s_nextafter.c s_round.c \
  44. s_rint.c s_scalbn.c s_signgam.c s_significand.c s_sin.c s_tan.c \
  45. s_tanh.c w_acos.c w_acosh.c w_asin.c w_atan2.c w_atanh.c w_cabs.c \
  46. w_cosh.c w_drem.c w_exp.c w_fmod.c w_gamma.c w_gamma_r.c \
  47. w_hypot.c w_j0.c w_j1.c w_jn.c w_lgamma.c w_lgamma_r.c \
  48. w_log.c w_log10.c w_pow.c w_remainder.c w_scalb.c w_sinh.c \
  49. w_sqrt.c fpmacros.c nan.c
  50. FL_MOBJ := \
  51. acosf.o acoshf.o asinf.o asinhf.o atan2f.o atanf.o atanhf.o cbrtf.o \
  52. ceilf.o copysignf.o cosf.o coshf.o erfcf.o erff.o exp2f.o expf.o \
  53. expm1f.o fabsf.o fdimf.o floorf.o fmaf.o fmaxf.o fminf.o fmodf.o \
  54. frexpf.o hypotf.o ilogbf.o ldexpf.o lgammaf.o llroundf.o log10f.o \
  55. log1pf.o log2f.o logbf.o logf.o lrintf.o lroundf.o modff.o nearbyintf.o \
  56. nextafterf.o powf.o remainderf.o remquof.o rintf.o roundf.o \
  57. scalblnf.o scalbnf.o sinf.o sinhf.o sqrtf.o tanf.o tanhf.o \
  58. tgammaf.o truncf.o
  59. else
  60. # This list of math functions was taken from POSIX/IEEE 1003.1b-1993
  61. CSRC := \
  62. w_acos.c w_asin.c s_atan.c w_atan2.c s_ceil.c s_cos.c \
  63. w_cosh.c w_exp.c s_fabs.c s_floor.c w_fmod.c s_frexp.c \
  64. s_ldexp.c w_log.c w_log10.c s_modf.c w_pow.c s_sin.c \
  65. w_sinh.c w_sqrt.c s_tan.c s_tanh.c \
  66. s_expm1.c s_scalbn.c s_copysign.c e_acos.c e_asin.c e_atan2.c \
  67. k_cos.c e_cosh.c e_exp.c e_fmod.c e_log.c e_log10.c e_pow.c \
  68. k_sin.c e_sinh.c e_sqrt.c k_tan.c e_rem_pio2.c k_rem_pio2.c \
  69. s_finite.c
  70. # We'll add sqrtf to avoid problems with libstdc++
  71. FL_MOBJ := sqrtf.o
  72. endif
  73. libm_DIR := $(top_srcdir)libm
  74. libm_OUT := $(top_builddir)libm
  75. # assume that arch specific versions are provided as single sources/objects
  76. ifeq ($(HAS_FPU),y)
  77. ifneq ($(strip $(libm_ARCH_OBJS)),)
  78. # remove generic sources, if arch specific version is present
  79. ifneq ($(strip $(libm_ARCH_SRC)),)
  80. CSRC := $(filter-out $(notdir $(libm_ARCH_SRC)),$(CSRC))
  81. endif
  82. # remove generic objects built from multi-sources, if arch specific version is present
  83. FL_MOBJ := $(filter-out $(notdir $(libm_ARCH_OBJS)),$(FL_MOBJ))
  84. # we also try to remove % if s_% is in arch specific subdir
  85. FL_MOBJ := $(filter-out $(patsubst s_%.o,%.o,$(notdir $(libm_ARCH_OBJS))),$(FL_MOBJ))
  86. endif
  87. endif
  88. ifneq ($(DOMULTI),n)
  89. ifeq ($(DO_C99_MATH),y)
  90. LIBM_NO_MULTI := s_lib_version.c
  91. CSRC := $(filter-out $(LIBM_NO_MULTI),$(CSRC))
  92. endif
  93. endif
  94. libm_SRC := $(patsubst %.c,$(libm_DIR)/%.c,$(CSRC))
  95. libm_OBJ := $(patsubst $(libm_DIR)/%.c,$(libm_OUT)/%.o,$(libm_SRC))
  96. libm_MSRC := $(libm_DIR)/$(FL_MSRC)
  97. libm_MOBJ := $(patsubst %.o,$(libm_OUT)/%.o,$(FL_MOBJ))
  98. libm_DEF := $(patsubst %,-DL_%,$(subst .o,,$(notdir $(libm_MOBJ))))
  99. libm_OBJS := $(libm_OBJ) $(libm_MOBJ)
  100. libm-a-y += $(libm_OBJS)
  101. libm-so-y += $(libm_OBJS:.o=.os)
  102. CFLAGS-multi-y := $(libm_DEF)
  103. libm-multi-y += $(libm_SRC) $(libm_MSRC)
  104. libm-nomulti-$(DO_C99_MATH) += $(patsubst %.c,$(libm_OUT)/%.o,$(LIBM_NO_MULTI))
  105. lib-a-$(UCLIBC_HAS_FLOATS) += $(top_builddir)lib/libm.a
  106. lib-so-$(UCLIBC_HAS_FLOATS) += $(top_builddir)lib/libm.so
  107. objclean-y += libm_clean
  108. $(top_builddir)lib/libm.so: $(libm_OUT)/libm_so.a libc-y
  109. $(call link.so,$(libm_FULL_NAME),$(MAJOR_VERSION))
  110. $(libm_OUT)/libm_so.a: $(libm-so-y)
  111. $(Q)$(RM) $@
  112. $(do_strip)
  113. $(do_ar)
  114. ifeq ($(DOPIC),y)
  115. $(top_builddir)lib/libm.a: $(libm-a-y:.o=.os)
  116. else
  117. $(top_builddir)lib/libm.a: $(libm-a-y)
  118. endif
  119. $(Q)$(INSTALL) -d $(dir $@)
  120. $(Q)$(RM) $@
  121. $(do_strip)
  122. $(do_ar)
  123. $(libm_MOBJ): $(libm_MSRC)
  124. $(compile.m)
  125. $(libm_MOBJ:.o=.os): $(libm_MSRC)
  126. $(compile.m)
  127. libm_clean:
  128. $(RM) $(libm_OUT)/*.{o,os,a}