Makefile.in 4.5 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+=$(SSP_ALL_CFLAGS)
  23. CFLAGS+=-D_IEEE_LIBM -D_ISOC99_SOURCE -D_SVID_SOURCE
  24. CFLAGS-s_lib_version.c=-D_POSIX_MODE
  25. LIB_NAME:=libm
  26. ifeq ($(HAS_FPU),y)
  27. -include $(top_srcdir)libm/$(TARGET_ARCH)/Makefile.arch
  28. endif
  29. FL_MSRC:=float_wrappers.c
  30. ifeq ($(DO_C99_MATH),y)
  31. CSRC:= e_acos.c e_acosh.c e_asin.c e_atan2.c e_atanh.c e_cosh.c \
  32. e_exp.c e_fmod.c e_gamma.c e_gamma_r.c e_hypot.c e_j0.c \
  33. e_j1.c e_jn.c e_lgamma.c e_lgamma_r.c e_log.c e_log10.c \
  34. e_pow.c e_remainder.c e_rem_pio2.c e_scalb.c e_sinh.c \
  35. e_sqrt.c k_cos.c k_rem_pio2.c k_sin.c k_standard.c k_tan.c \
  36. s_asinh.c s_atan.c s_cbrt.c s_ceil.c s_copysign.c s_cos.c \
  37. s_erf.c s_expm1.c s_fabs.c s_finite.c s_floor.c s_frexp.c \
  38. s_ilogb.c s_ldexp.c s_lib_version.c s_log1p.c s_logb.c \
  39. s_matherr.c s_modf.c s_nextafter.c s_rint.c s_scalbn.c \
  40. s_signgam.c s_significand.c s_sin.c s_tan.c s_tanh.c \
  41. w_acos.c w_acosh.c w_asin.c w_atan2.c w_atanh.c w_cabs.c \
  42. w_cosh.c w_drem.c w_exp.c w_fmod.c w_gamma.c w_gamma_r.c \
  43. w_hypot.c w_j0.c w_j1.c w_jn.c w_lgamma.c w_lgamma_r.c \
  44. w_log.c w_log10.c w_pow.c w_remainder.c w_scalb.c w_sinh.c \
  45. w_sqrt.c fpmacros.c nan.c
  46. FL_MOBJ:=acosf.o acoshf.o asinf.o asinhf.o atan2f.o atanf.o atanhf.o cbrtf.o \
  47. ceilf.o copysignf.o cosf.o coshf.o erfcf.o erff.o exp2f.o expf.o \
  48. expm1f.o fabsf.o fdimf.o floorf.o fmaf.o fmaxf.o fminf.o fmodf.o \
  49. frexpf.o hypotf.o ilogbf.o ldexpf.o lgammaf.o log10f.o log1pf.o \
  50. log2f.o logbf.o logf.o lrintf.o lroundf.o modff.o nearbyintf.o \
  51. nextafterf.o powf.o remainderf.o remquof.o rintf.o roundf.o \
  52. scalblnf.o scalbnf.o sinf.o sinhf.o sqrtf.o tanf.o tanhf.o \
  53. tgammaf.o truncf.o
  54. else
  55. # This list of math functions was taken from POSIX/IEEE 1003.1b-1993
  56. CSRC:= w_acos.c w_asin.c s_atan.c w_atan2.c s_ceil.c s_cos.c \
  57. w_cosh.c w_exp.c s_fabs.c s_floor.c w_fmod.c s_frexp.c \
  58. s_ldexp.c w_log.c w_log10.c s_modf.c w_pow.c s_sin.c \
  59. w_sinh.c w_sqrt.c s_tan.c s_tanh.c \
  60. s_expm1.c s_scalbn.c s_copysign.c e_acos.c e_asin.c e_atan2.c \
  61. k_cos.c e_cosh.c e_exp.c e_fmod.c e_log.c e_log10.c e_pow.c \
  62. k_sin.c e_sinh.c e_sqrt.c k_tan.c e_rem_pio2.c k_rem_pio2.c \
  63. s_finite.c
  64. # We'll add sqrtf to avoid problems with libstdc++
  65. FL_MOBJ:=sqrtf.o
  66. endif
  67. libm_DIR:=$(top_srcdir)libm
  68. libm_OUT:=$(top_builddir)libm
  69. # assume that arch specific versions are provided as single sources/objects
  70. ifeq ($(HAS_FPU),y)
  71. ifneq ($(strip $(libm_ARCH_OBJS)),)
  72. # remove generic sources, if arch specific version is present
  73. ifneq ($(strip $(libm_ARCH_SRC)),)
  74. CSRC:=$(filter-out $(notdir $(libm_ARCH_SRC)),$(CSRC))
  75. endif
  76. # remove generic objects built from multi-sources, if arch specific version is present
  77. FL_MOBJ:=$(filter-out $(notdir $(libm_ARCH_OBJS)),$(FL_MOBJ))
  78. # we also try to remove % if s_% is in arch specific subdir
  79. FL_MOBJ:=$(filter-out $(patsubst s_%.o,%.o,$(notdir $(libm_ARCH_OBJS))),$(FL_MOBJ))
  80. endif
  81. endif
  82. ifeq ($(DO_C99_MATH),y)
  83. LIBM_NO_MULTI:=s_lib_version.c
  84. CSRC:=$(filter-out $(LIBM_NO_MULTI),$(CSRC))
  85. endif
  86. libm_SRC:=$(patsubst %.c,$(libm_DIR)/%.c,$(CSRC))
  87. libm_OBJ:=$(patsubst $(libm_DIR)/%.c,$(libm_OUT)/%.o,$(libm_SRC))
  88. libm_MSRC:=$(libm_DIR)/$(FL_MSRC)
  89. libm_MOBJ:=$(patsubst %.o,$(libm_OUT)/%.o,$(FL_MOBJ))
  90. libm_DEF:=$(patsubst %,-DL_%,$(subst .o,,$(notdir $(libm_MOBJ))))
  91. libm_OBJS:=$(libm_OBJ) $(libm_MOBJ)
  92. ifeq ($(DO_C99_MATH),y)
  93. libm_OBJS+=$(patsubst %.c,$(libm_OUT)/%.o,$(LIBM_NO_MULTI))
  94. endif
  95. $(libm_MOBJ) $(libm_MOBJ:.o=.os): $(libm_MSRC)
  96. $(compile.m)
  97. libm-a-$(UCLIBC_HAS_FLOATS)+=$(libm_OBJS)
  98. libm-so-$(UCLIBC_HAS_FLOATS)+=$(libm_OBJS:.o=.os)
  99. CFLAGS-multi-$(UCLIBC_HAS_FLOATS)+=$(libm_DEF)
  100. libm-multi-$(UCLIBC_HAS_FLOATS)+=$(libm_SRC) $(libm_MSRC)
  101. ifeq ($(DO_C99_MATH),y)
  102. libm-nomulti-$(UCLIBC_HAS_FLOATS)+=$(patsubst %.c,$(libm_OUT)/%.o,$(LIBM_NO_MULTI))
  103. endif
  104. objclean-y+=libm_clean
  105. lib-a-$(UCLIBC_HAS_FLOATS)+=$(top_builddir)lib/libm.a
  106. lib-so-$(UCLIBC_HAS_FLOATS)+=$(top_builddir)lib/libm.so