Makefile.in 5.3 KB

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  1. # Makefile for uClibc
  2. #
  3. # Copyright (C) 2000-2006 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
  24. LDFLAGS-libm.so := $(LDFLAGS)
  25. LIBS-libm.so := $(LIBS)
  26. libm_FULL_NAME := libm-$(VERSION).so
  27. libm_ARCH_DIR:=$(top_srcdir)libm/$(TARGET_ARCH)
  28. libm_ARCH_OUT:=$(top_builddir)libm/$(TARGET_ARCH)
  29. libm_ARCH_fpu_DIR:=$(libm_ARCH_DIR)/fpu
  30. libm_ARCH_fpu_OUT:=$(libm_ARCH_OUT)/fpu
  31. ifeq ($(UCLIBC_HAS_FPU),y)
  32. ifeq ($(DO_C99_MATH),y)
  33. -include $(libm_ARCH_DIR)/Makefile.arch
  34. endif
  35. endif
  36. FL_MSRC := float_wrappers.c
  37. ifeq ($(DO_C99_MATH),y)
  38. libm_CSRC := \
  39. e_acos.c e_acosh.c e_asin.c e_atan2.c e_atanh.c e_cosh.c \
  40. e_exp.c e_fmod.c e_gamma.c e_gamma_r.c e_hypot.c e_j0.c \
  41. e_j1.c e_jn.c e_lgamma.c e_lgamma_r.c e_log.c e_log10.c \
  42. e_pow.c e_remainder.c e_rem_pio2.c e_scalb.c e_sinh.c \
  43. e_sqrt.c k_cos.c k_rem_pio2.c k_sin.c k_standard.c k_tan.c \
  44. s_asinh.c s_atan.c s_cbrt.c s_ceil.c s_copysign.c s_cos.c \
  45. s_erf.c s_expm1.c s_fabs.c s_finite.c s_floor.c s_frexp.c \
  46. s_ilogb.c s_ldexp.c s_lib_version.c s_lrint.c s_lround.c s_llround.c \
  47. s_log1p.c s_logb.c s_matherr.c s_modf.c s_nextafter.c s_round.c \
  48. s_rint.c s_scalbn.c s_signgam.c s_significand.c s_sin.c s_tan.c \
  49. s_tanh.c w_acos.c w_acosh.c w_asin.c w_atan2.c w_atanh.c w_cabs.c \
  50. w_cosh.c w_drem.c w_exp.c w_fmod.c w_gamma.c w_gamma_r.c \
  51. w_hypot.c w_j0.c w_j1.c w_jn.c w_lgamma.c w_lgamma_r.c \
  52. w_log.c w_log10.c w_pow.c w_remainder.c w_scalb.c w_sinh.c \
  53. w_sqrt.c fpmacros.c nan.c
  54. FL_MOBJ := \
  55. acosf.o acoshf.o asinf.o asinhf.o atan2f.o atanf.o atanhf.o cbrtf.o \
  56. ceilf.o copysignf.o cosf.o coshf.o erfcf.o erff.o exp2f.o expf.o \
  57. expm1f.o fabsf.o fdimf.o floorf.o fmaf.o fmaxf.o fminf.o fmodf.o \
  58. frexpf.o hypotf.o ilogbf.o ldexpf.o lgammaf.o llroundf.o log10f.o \
  59. log1pf.o log2f.o logbf.o logf.o lrintf.o lroundf.o modff.o nearbyintf.o \
  60. nextafterf.o powf.o remainderf.o remquof.o rintf.o roundf.o \
  61. scalblnf.o scalbnf.o sinf.o sinhf.o sqrtf.o tanf.o tanhf.o \
  62. tgammaf.o truncf.o
  63. else
  64. # This list of math functions was taken from POSIX/IEEE 1003.1b-1993
  65. libm_CSRC := \
  66. w_acos.c w_asin.c s_atan.c w_atan2.c s_ceil.c s_cos.c \
  67. w_cosh.c w_exp.c s_fabs.c s_floor.c w_fmod.c s_frexp.c \
  68. s_ldexp.c w_log.c w_log10.c s_modf.c w_pow.c s_sin.c \
  69. w_sinh.c w_sqrt.c s_tan.c s_tanh.c \
  70. s_expm1.c s_scalbn.c s_copysign.c e_acos.c e_asin.c e_atan2.c \
  71. k_cos.c e_cosh.c e_exp.c e_fmod.c e_log.c e_log10.c e_pow.c \
  72. k_sin.c e_sinh.c e_sqrt.c k_tan.c e_rem_pio2.c k_rem_pio2.c \
  73. s_finite.c
  74. # We'll add sqrtf to avoid problems with libstdc++
  75. FL_MOBJ := sqrtf.o
  76. endif
  77. libm_DIR := $(top_srcdir)libm
  78. libm_OUT := $(top_builddir)libm
  79. # assume that arch specific versions are provided as single sources/objects
  80. ifeq ($(UCLIBC_HAS_FPU),y)
  81. ifeq ($(DO_C99_MATH),y)
  82. ifneq ($(strip $(libm_ARCH_OBJS)),)
  83. CFLAGS-libm/$(TARGET_ARCH)/ := $(CFLAGS-libm)
  84. # remove generic sources, if arch specific version is present
  85. ifneq ($(strip $(libm_ARCH_SRC)),)
  86. libm_CSRC := $(filter-out $(notdir $(libm_ARCH_SRC)),$(libm_CSRC))
  87. endif
  88. # remove generic objects built from multi-sources, if arch specific version is present
  89. FL_MOBJ := $(filter-out $(notdir $(libm_ARCH_OBJS)),$(FL_MOBJ))
  90. # we also try to remove % if s_% is in arch specific subdir
  91. FL_MOBJ := $(filter-out $(patsubst s_%.o,%.o,$(notdir $(libm_ARCH_OBJS))),$(FL_MOBJ))
  92. endif
  93. endif
  94. endif
  95. libm_SRC := $(patsubst %.c,$(libm_DIR)/%.c,$(libm_CSRC))
  96. libm_OBJ := $(patsubst $(libm_DIR)/%.c,$(libm_OUT)/%.o,$(libm_SRC))
  97. libm_MSRC := $(libm_DIR)/$(FL_MSRC)
  98. libm_MOBJ := $(patsubst %.o,$(libm_OUT)/%.o,$(FL_MOBJ))
  99. ifneq ($(DOMULTI),n)
  100. CFLAGS-libm += $(patsubst %,-DL_%,$(subst .o,,$(notdir $(libm_MOBJ))))
  101. endif
  102. libm_OBJS := $(libm_OBJ) $(libm_MOBJ)
  103. ifeq ($(DOPIC),y)
  104. libm-a-y += $(libm_OBJS:.o=.os)
  105. else
  106. libm-a-y += $(libm_OBJS)
  107. endif
  108. libm-so-y += $(libm_OBJS:.o=.os)
  109. lib-a-$(UCLIBC_HAS_FLOATS) += $(top_builddir)lib/libm.a
  110. lib-so-$(UCLIBC_HAS_FLOATS) += $(top_builddir)lib/libm.so
  111. objclean-y += libm_clean
  112. ifeq ($(DOMULTI),n)
  113. ifeq ($(DOPIC),y)
  114. $(top_builddir)lib/libm.so: $(top_builddir)lib/libm.a $(libc)
  115. else
  116. $(top_builddir)lib/libm.so: $(libm_OUT)/libm_so.a $(libc)
  117. endif
  118. $(call link.so,$(libm_FULL_NAME),$(MAJOR_VERSION))
  119. else
  120. $(top_builddir)lib/libm.so: $(libm_OUT)/libm.oS | $(libc)
  121. $(call linkm.so,$(libm_FULL_NAME),$(MAJOR_VERSION))
  122. endif
  123. $(libm_OUT)/libm_so.a: $(libm-so-y)
  124. $(Q)$(RM) $@
  125. $(do_strip)
  126. $(do_ar)
  127. $(libm_OUT)/libm.oS: $(libm_SRC) $(libm_MSRC) $(libm_ARCH_SRC)
  128. $(Q)$(RM) $@
  129. $(compile-m)
  130. $(do_t_strip)
  131. $(top_builddir)lib/libm.a: $(libm-a-y)
  132. $(Q)$(INSTALL) -d $(dir $@)
  133. $(Q)$(RM) $@
  134. $(do_strip)
  135. $(do_ar)
  136. $(libm_MOBJ): $(libm_MSRC)
  137. $(compile.m)
  138. $(libm_MOBJ:.o=.os): $(libm_MSRC)
  139. $(compile.m)
  140. libm_clean:
  141. $(RM) $(libm_OUT)/{,*/,*/*/}*.{o,os,oS,a}