libm/Makefile.in

   1 # Makefile for uClibc
   2 #
   3 # Copyright (C) 2000-2008 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
  23 subdirs += libm libm/$(TARGET_ARCH)
  24
  25 CFLAGS-libm := -DNOT_IN_libc -DIS_IN_libm $(SSP_ALL_CFLAGS)
  26 CFLAGS-libm += -D_IEEE_LIBM
  27
  28 LDFLAGS-$(UCLIBC_FORMAT_DSBT_ELF)-libm.so := -Wl,--dsbt-index=5
  29 LDFLAGS-libm.so := $(LDFLAGS)
  30
  31 LIBS-libm.so := $(LIBS)
  32
  33 libm_FULL_NAME := libm-$(VERSION).so
  34
  35 libm_DIR:=$(top_srcdir)libm
  36 libm_OUT:=$(top_builddir)libm
  37
  38 libm_ARCH_DIR:=$(libm_DIR)/$(TARGET_ARCH)
  39 libm_ARCH_OUT:=$(libm_OUT)/$(TARGET_ARCH)
  40
  41 ifneq ($(TARGET_SUBARCH),)
  42 libm_SUBARCH_DIR:=$(libm_DIR)/$(TARGET_ARCH)/$(TARGET_SUBARCH)
  43 libm_SUBARCH_OUT:=$(libm_OUT)/$(TARGET_ARCH)/$(TARGET_SUBARCH)
  44 endif
  45
  46 ifeq ($(UCLIBC_HAS_FPU),y)
  47 ifeq ($(DO_C99_MATH),y)
  48 -include $(libm_ARCH_DIR)/Makefile.arch
  49 -include $(libm_SUBARCH_DIR)/Makefile.arch
  50 endif
  51 endif
  52
  53 FL_MSRC := float_wrappers.c
  54 LD_MSRC := ldouble_wrappers.c
  55
  56 ifeq ($(DO_C99_MATH),y)
  57 libm_CSRC := \
  58         e_acos.c e_acosh.c e_asin.c e_atan2.c e_atanh.c e_cosh.c \
  59         e_exp.c e_fmod.c e_hypot.c \
  60         e_lgamma_r.c e_log.c e_log2.c e_log10.c \
  61         e_pow.c e_remainder.c e_rem_pio2.c e_scalb.c e_sinh.c \
  62         e_sqrt.c k_cos.c k_rem_pio2.c k_sin.c k_standard.c k_tan.c \
  63         s_asinh.c s_atan.c s_cbrt.c s_ceil.c s_copysign.c s_cos.c \
  64         s_erf.c s_expm1.c s_fabs.c s_finite.c s_floor.c s_frexp.c \
  65         s_ilogb.c s_ldexp.c s_lib_version.c s_lrint.c s_lround.c s_llround.c \
  66         s_log1p.c s_logb.c s_matherr.c s_modf.c s_nextafter.c \
  67         s_nextafterf.c s_round.c \
  68         s_rint.c s_scalbn.c s_signgam.c s_significand.c s_sin.c s_tan.c \
  69         s_tanh.c s_trunc.c \
  70         w_cabs.c \
  71         nan.c carg.c s_llrint.c \
  72         s_fpclassify.c s_fpclassifyf.c s_signbit.c s_signbitf.c \
  73         s_isnan.c s_isnanf.c s_isinf.c s_isinff.c s_finitef.c \
  74         s_fdim.c s_fma.c s_fmax.c s_fmin.c \
  75         s_remquo.c w_exp2.c \
  76         cexp.c sincos.c
  77
  78 # Not implemented [yet?], see comment in float_wrappers.c:
  79 # fdimf.o fmaf.o fmaxf.o fminf.o
  80 # nearbyintf.o remquof.o scalblnf.o tgammaf.o
  81 FL_MOBJ := \
  82         acosf.o \
  83         acoshf.o \
  84         asinf.o \
  85         asinhf.o \
  86         atan2f.o \
  87         atanf.o \
  88         atanhf.o \
  89         cargf.o \
  90         cbrtf.o \
  91         ceilf.o \
  92         copysignf.o \
  93         cosf.o \
  94         coshf.o \
  95         erfcf.o \
  96         erff.o \
  97         exp2f.o \
  98         expf.o \
  99         expm1f.o \
 100         fabsf.o \
 101         floorf.o \
 102         fmodf.o \
 103         frexpf.o \
 104         gammaf.o \
 105         hypotf.o \
 106         ilogbf.o \
 107         ldexpf.o \
 108         lgammaf.o \
 109         llrintf.o \
 110         llroundf.o \
 111         log10f.o \
 112         log1pf.o \
 113         log2f.o \
 114         logbf.o \
 115         logf.o \
 116         lrintf.o \
 117         lroundf.o \
 118         modff.o \
 119         powf.o \
 120         remainderf.o \
 121         rintf.o \
 122         roundf.o \
 123         scalbf.o \
 124         scalbnf.o \
 125         significandf.o \
 126         sinf.o \
 127         sinhf.o \
 128         sqrtf.o \
 129         tanf.o \
 130         tanhf.o \
 131         truncf.o \
 132
 133 # Not implemented [yet?]: nexttowardl.o
 134 LD_MOBJ := \
 135         __finitel.o \
 136         __fpclassifyl.o \
 137         __isinfl.o \
 138         __isnanl.o \
 139         __signbitl.o \
 140         acoshl.o \
 141         acosl.o \
 142         asinhl.o \
 143         asinl.o \
 144         atan2l.o \
 145         atanhl.o \
 146         atanl.o \
 147         cargl.o \
 148         cbrtl.o \
 149         ceill.o \
 150         copysignl.o \
 151         coshl.o \
 152         cosl.o \
 153         erfcl.o \
 154         erfl.o \
 155         exp2l.o \
 156         expl.o \
 157         expm1l.o \
 158         fabsl.o \
 159         fdiml.o \
 160         floorl.o \
 161         fmal.o \
 162         fmaxl.o \
 163         fminl.o \
 164         fmodl.o \
 165         frexpl.o \
 166         gammal.o \
 167         hypotl.o \
 168         ilogbl.o \
 169         ldexpl.o \
 170         lgammal.o \
 171         llrintl.o \
 172         llroundl.o \
 173         log10l.o \
 174         log1pl.o \
 175         log2l.o \
 176         logbl.o \
 177         logl.o \
 178         lrintl.o \
 179         lroundl.o \
 180         modfl.o \
 181         nearbyintl.o \
 182         nextafterl.o \
 183         powl.o \
 184         remainderl.o \
 185         remquol.o \
 186         rintl.o \
 187         roundl.o \
 188         scalblnl.o \
 189         scalbnl.o \
 190         significandl.o \
 191         sinhl.o \
 192         sinl.o \
 193         sqrtl.o \
 194         tanhl.o \
 195         tanl.o \
 196         tgammal.o \
 197         truncl.o \
 198
 199 else
 200
 201 # This list of math functions was taken from POSIX/IEEE 1003.1b-1993
 202 libm_CSRC := \
 203         s_atan.c s_ceil.c s_cos.c \
 204         s_fabs.c s_floor.c s_frexp.c \
 205         s_ldexp.c s_modf.c s_sin.c \
 206         s_tan.c s_tanh.c \
 207         s_expm1.c s_scalbn.c s_copysign.c e_acos.c e_asin.c e_atan2.c \
 208         k_cos.c e_cosh.c e_exp.c e_fmod.c e_log.c e_log10.c e_pow.c \
 209         k_sin.c e_sinh.c e_sqrt.c k_tan.c e_rem_pio2.c k_rem_pio2.c \
 210         s_finite.c
 211 # We'll add sqrtf to avoid problems with libstdc++
 212 FL_MOBJ := sqrtf.o
 213 endif
 214
 215 ifeq ($(DO_XSI_MATH),y)
 216 libm_CSRC += e_j0.c e_j1.c e_jn.c
 217 endif
 218
 219 # assume that arch specific versions are provided as single sources/objects
 220 ifeq ($(UCLIBC_HAS_FPU),y)
 221 ifeq ($(DO_C99_MATH),y)
 222 ifneq ($(strip $(libm_ARCH_OBJS)),)
 223
 224 # remove generic sources, if arch specific version is present
 225 ifneq ($(strip $(libm_ARCH_SRC)),)
 226 libm_CSRC := $(filter-out $(notdir $(libm_ARCH_SRC)),$(libm_CSRC))
 227 endif
 228
 229 # remove generic objects built from multi-sources, if arch specific version is present
 230 FL_MOBJ := $(filter-out $(notdir $(libm_ARCH_OBJS)),$(FL_MOBJ))
 231 LD_MOBJ := $(filter-out $(notdir $(libm_ARCH_OBJS)),$(LD_MOBJ))
 232
 233 # we also try to remove % if s_% is in arch specific subdir
 234 FL_MOBJ := $(filter-out $(patsubst s_%.o,%.o,$(notdir $(libm_ARCH_OBJS))),$(FL_MOBJ))
 235 LD_MOBJ := $(filter-out $(patsubst s_%.o,%.o,$(notdir $(libm_ARCH_OBJS))),$(LD_MOBJ))
 236 endif
 237 endif
 238 endif
 239
 240 libm_SRC := $(patsubst %.c,$(libm_DIR)/%.c,$(libm_CSRC))
 241 libm_OBJ := $(patsubst $(libm_DIR)/%.c,$(libm_OUT)/%.o,$(libm_SRC))
 242
 243 ifeq ($(strip $(UCLIBC_HAS_LONG_DOUBLE_MATH)),y)
 244 libm_MSRC_LD := $(libm_DIR)/$(LD_MSRC)
 245 libm_MOBJ_LD := $(patsubst %.o,$(libm_OUT)/%.o,$(LD_MOBJ))
 246 endif
 247 libm_MSRC_FL := $(libm_DIR)/$(FL_MSRC)
 248 libm_MOBJ_FL := $(patsubst %.o,$(libm_OUT)/%.o,$(FL_MOBJ))
 249
 250
 251 ifneq ($(DOMULTI),n)
 252 CFLAGS-libm += $(patsubst %,-DL_%,$(subst .o,,$(notdir $(libm_MOBJ_FL))))
 253 ifeq ($(strip $(UCLIBC_HAS_LONG_DOUBLE_MATH)),y)
 254 CFLAGS-libm += $(patsubst %,-DL_%,$(subst .o,,$(notdir $(libm_MOBJ_LD))))
 255 endif
 256 endif
 257
 258 libm_OBJS := $(libm_OBJ) $(libm_MOBJ_FL) $(libm_MOBJ_LD)
 259
 260 ifeq ($(DOPIC),y)
 261 libm-a-y += $(libm_OBJS:.o=.os)
 262 else
 263 libm-a-y += $(libm_OBJS)
 264 endif
 265 libm-so-y += $(libm_OBJS:.o=.os)
 266
 267 lib-a-$(UCLIBC_HAS_FLOATS) += $(top_builddir)lib/libm.a
 268 lib-so-$(UCLIBC_HAS_FLOATS) += $(top_builddir)lib/libm.so
 269 objclean-y += CLEAN_libm
 270
 271 ifeq ($(DOMULTI),n)
 272 ifeq ($(DOPIC),y)
 273 $(top_builddir)lib/libm.so: $(top_builddir)lib/libm.a $(libc.depend)
 274 else
 275 $(top_builddir)lib/libm.so: $(libm_OUT)/libm_so.a $(libc.depend)
 276 endif
 277         $(call link.so,$(libm_FULL_NAME),$(ABI_VERSION))
 278 else
 279 $(top_builddir)lib/libm.so: $(libm_OUT)/libm.oS | $(libc.depend)
 280         $(call linkm.so,$(libm_FULL_NAME),$(ABI_VERSION))
 281 endif
 282
 283 $(libm_OUT)/libm_so.a: $(libm-so-y)
 284         $(Q)$(RM) $@
 285         $(do_ar)
 286
 287 $(libm_OUT)/libm.oS: $(libm_SRC) $(libm_MSRC_FL) $(libm_MSRC_LD) $(libm_ARCH_SRC)
 288         $(Q)$(RM) $@
 289         $(compile-m)
 290
 291 $(top_builddir)lib/libm.a: $(libm-a-y)
 292         $(Q)$(INSTALL) -d $(dir $@)
 293         $(Q)$(RM) $@
 294         $(do_ar)
 295
 296 $(libm_MOBJ_FL): $(libm_MSRC_FL)
 297         $(compile.m)
 298
 299 $(libm_MOBJ_LD): $(libm_MSRC_LD)
 300         $(compile.m)
 301
 302 $(libm_MOBJ_FL:.o=.os): $(libm_MSRC_FL)
 303         $(compile.m)
 304
 305 $(libm_MOBJ_LD:.o=.os): $(libm_MSRC_LD)
 306         $(compile.m)
 307
 308 # spare us from adding a gazillion dummy two-liner files
 309 $(libm_MOBJ_FL:.o=.i): $(libm_MSRC_FL)
 310         $(compile.mi)
 311
 312 $(libm_MOBJ_LD:.o=.i): $(libm_MSRC_LD)
 313         $(compile.mi)
 314
 315 CLEAN_libm:
 316         $(do_rm) $(addprefix $(libm_OUT)/,$(foreach e, o os oS a,$(foreach d, *. */*. */*/*.,$(d)$(e))))