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 FL_MOBJ := \
  79         acosf.o \
  80         acoshf.o \
  81         asinf.o \
  82         asinhf.o \
  83         atan2f.o \
  84         atanf.o \
  85         atanhf.o \
  86         cargf.o \
  87         cbrtf.o \
  88         ceilf.o \
  89         copysignf.o \
  90         cosf.o \
  91         coshf.o \
  92         erfcf.o \
  93         erff.o \
  94         exp2f.o \
  95         expf.o \
  96         expm1f.o \
  97         fabsf.o \
  98         fdimf.o \
  99         floorf.o \
 100         fmaf.o \
 101         fmaxf.o \
 102         fminf.o \
 103         fmodf.o \
 104         frexpf.o \
 105         gammaf.o \
 106         hypotf.o \
 107         ilogbf.o \
 108         ldexpf.o \
 109         lgammaf.o \
 110         llrintf.o \
 111         llroundf.o \
 112         log10f.o \
 113         log1pf.o \
 114         log2f.o \
 115         logbf.o \
 116         logf.o \
 117         lrintf.o \
 118         lroundf.o \
 119         modff.o \
 120         nearbyintf.o \
 121         nexttowardf.o \
 122         powf.o \
 123         remainderf.o \
 124         remquof.o \
 125         rintf.o \
 126         roundf.o \
 127         scalblnf.o \
 128         scalbnf.o \
 129         significandf.o \
 130         sinf.o \
 131         sinhf.o \
 132         sqrtf.o \
 133         tanf.o \
 134         tanhf.o \
 135         tgammaf.o \
 136         truncf.o \
 137
 138 ifeq ($(UCLIBC_SUSV3_LEGACY),y)
 139 FL_MOBJ += scalbf.o
 140 endif
 141
 142 # Do not (yet?) implement the float variants of bessel functions
 143 ifeq (not-yet-implemented-$(DO_XSI_MATH),y)
 144 FL_MOBJ += \
 145         j0f.o \
 146         j1f.o \
 147         jnf.o \
 148         y0f.o \
 149         y1f.o \
 150         ynf.o
 151 endif
 152
 153 LD_MOBJ := \
 154         __finitel.o \
 155         __fpclassifyl.o \
 156         __isinfl.o \
 157         __isnanl.o \
 158         __signbitl.o \
 159         acoshl.o \
 160         acosl.o \
 161         asinhl.o \
 162         asinl.o \
 163         atan2l.o \
 164         atanhl.o \
 165         atanl.o \
 166         cargl.o \
 167         cbrtl.o \
 168         ceill.o \
 169         copysignl.o \
 170         coshl.o \
 171         cosl.o \
 172         erfcl.o \
 173         erfl.o \
 174         exp2l.o \
 175         expl.o \
 176         expm1l.o \
 177         fabsl.o \
 178         fdiml.o \
 179         floorl.o \
 180         fmal.o \
 181         fmaxl.o \
 182         fminl.o \
 183         fmodl.o \
 184         frexpl.o \
 185         gammal.o \
 186         hypotl.o \
 187         ilogbl.o \
 188         ldexpl.o \
 189         lgammal.o \
 190         llrintl.o \
 191         llroundl.o \
 192         log10l.o \
 193         log1pl.o \
 194         log2l.o \
 195         logbl.o \
 196         logl.o \
 197         lrintl.o \
 198         lroundl.o \
 199         modfl.o \
 200         nearbyintl.o \
 201         nextafterl.o \
 202         nexttowardl.o \
 203         powl.o \
 204         remainderl.o \
 205         remquol.o \
 206         rintl.o \
 207         roundl.o \
 208         scalblnl.o \
 209         scalbnl.o \
 210         significandl.o \
 211         sinhl.o \
 212         sinl.o \
 213         sqrtl.o \
 214         tanhl.o \
 215         tanl.o \
 216         tgammal.o \
 217         truncl.o \
 218
 219 # Do not (yet?) implement the long double variants of bessel functions
 220 ifeq (not-yet-implemented-$(DO_XSI_MATH),y)
 221 LD_MOBJ += \
 222         j0l.o \
 223         j1l.o \
 224         jnl.o \
 225         y0l.o \
 226         y1l.o \
 227         ynl.o
 228 endif
 229
 230 else
 231
 232 # This list of math functions was taken from POSIX/IEEE 1003.1b-1993
 233 libm_CSRC := \
 234         s_atan.c s_ceil.c s_cos.c \
 235         s_fabs.c s_floor.c s_frexp.c \
 236         s_ldexp.c s_modf.c s_sin.c \
 237         s_tan.c s_tanh.c \
 238         s_expm1.c s_scalbn.c s_copysign.c e_acos.c e_asin.c e_atan2.c \
 239         k_cos.c e_cosh.c e_exp.c e_fmod.c e_log.c e_log10.c e_pow.c \
 240         k_sin.c e_sinh.c e_sqrt.c k_tan.c e_rem_pio2.c k_rem_pio2.c \
 241         s_finite.c
 242 # We'll add sqrtf to avoid problems with libstdc++
 243 FL_MOBJ := sqrtf.o
 244 endif
 245
 246 ifeq ($(DO_XSI_MATH),y)
 247 libm_CSRC += e_j0.c e_j1.c e_jn.c
 248 endif
 249
 250 # assume that arch specific versions are provided as single sources/objects
 251 ifeq ($(UCLIBC_HAS_FPU),y)
 252 ifeq ($(DO_C99_MATH),y)
 253 ifneq ($(strip $(libm_ARCH_OBJS)),)
 254
 255 # remove generic sources, if arch specific version is present
 256 ifneq ($(strip $(libm_ARCH_SRC)),)
 257 libm_CSRC := $(filter-out $(notdir $(libm_ARCH_SRC)),$(libm_CSRC))
 258 endif
 259
 260 # remove generic objects built from multi-sources, if arch specific version is present
 261 FL_MOBJ := $(filter-out $(notdir $(libm_ARCH_OBJS)),$(FL_MOBJ))
 262 LD_MOBJ := $(filter-out $(notdir $(libm_ARCH_OBJS)),$(LD_MOBJ))
 263
 264 # we also try to remove % if s_% is in arch specific subdir
 265 FL_MOBJ := $(filter-out $(patsubst s_%.o,%.o,$(notdir $(libm_ARCH_OBJS))),$(FL_MOBJ))
 266 LD_MOBJ := $(filter-out $(patsubst s_%.o,%.o,$(notdir $(libm_ARCH_OBJS))),$(LD_MOBJ))
 267 endif
 268 endif
 269 endif
 270
 271 libm_SRC := $(patsubst %.c,$(libm_DIR)/%.c,$(libm_CSRC))
 272 libm_OBJ := $(patsubst $(libm_DIR)/%.c,$(libm_OUT)/%.o,$(libm_SRC))
 273
 274 ifeq ($(strip $(UCLIBC_HAS_LONG_DOUBLE_MATH)),y)
 275 libm_MSRC_LD := $(libm_DIR)/$(LD_MSRC)
 276 libm_MOBJ_LD := $(patsubst %.o,$(libm_OUT)/%.o,$(LD_MOBJ))
 277 endif
 278 libm_MSRC_FL := $(libm_DIR)/$(FL_MSRC)
 279 libm_MOBJ_FL := $(patsubst %.o,$(libm_OUT)/%.o,$(FL_MOBJ))
 280
 281
 282 ifneq ($(DOMULTI),n)
 283 CFLAGS-libm += $(patsubst %,-DL_%,$(subst .o,,$(notdir $(libm_MOBJ_FL))))
 284 ifeq ($(strip $(UCLIBC_HAS_LONG_DOUBLE_MATH)),y)
 285 CFLAGS-libm += $(patsubst %,-DL_%,$(subst .o,,$(notdir $(libm_MOBJ_LD))))
 286 endif
 287 endif
 288
 289 libm_OBJS := $(libm_OBJ) $(libm_MOBJ_FL) $(libm_MOBJ_LD)
 290
 291 ifeq ($(DOPIC),y)
 292 libm-a-y += $(libm_OBJS:.o=.os)
 293 else
 294 libm-a-y += $(libm_OBJS)
 295 endif
 296 libm-so-y += $(libm_OBJS:.o=.os)
 297
 298 lib-a-$(UCLIBC_HAS_FLOATS) += $(top_builddir)lib/libm.a
 299 lib-so-$(UCLIBC_HAS_FLOATS) += $(top_builddir)lib/libm.so
 300 objclean-y += CLEAN_libm
 301
 302 ifeq ($(DOMULTI),n)
 303 ifeq ($(DOPIC),y)
 304 $(top_builddir)lib/libm.so: $(top_builddir)lib/libm.a $(libc.depend)
 305 else
 306 $(top_builddir)lib/libm.so: $(libm_OUT)/libm_so.a $(libc.depend)
 307 endif
 308         $(call link.so,$(libm_FULL_NAME),$(ABI_VERSION))
 309 else
 310 $(top_builddir)lib/libm.so: $(libm_OUT)/libm.oS | $(libc.depend)
 311         $(call linkm.so,$(libm_FULL_NAME),$(ABI_VERSION))
 312 endif
 313
 314 $(libm_OUT)/libm_so.a: $(libm-so-y)
 315         $(Q)$(RM) $@
 316         $(do_ar)
 317
 318 $(libm_OUT)/libm.oS: $(libm_SRC) $(libm_MSRC_FL) $(libm_MSRC_LD) $(libm_ARCH_SRC)
 319         $(Q)$(RM) $@
 320         $(compile-m)
 321
 322 $(top_builddir)lib/libm.a: $(libm-a-y)
 323         $(Q)$(INSTALL) -d $(dir $@)
 324         $(Q)$(RM) $@
 325         $(do_ar)
 326
 327 $(libm_MOBJ_FL): $(libm_MSRC_FL)
 328         $(compile.m)
 329
 330 $(libm_MOBJ_LD): $(libm_MSRC_LD)
 331         $(compile.m)
 332
 333 $(libm_MOBJ_FL:.o=.os): $(libm_MSRC_FL)
 334         $(compile.m)
 335
 336 $(libm_MOBJ_LD:.o=.os): $(libm_MSRC_LD)
 337         $(compile.m)
 338
 339 # spare us from adding a gazillion dummy two-liner files
 340 $(libm_MOBJ_FL:.o=.i): $(libm_MSRC_FL)
 341         $(compile.mi)
 342
 343 $(libm_MOBJ_LD:.o=.i): $(libm_MSRC_LD)
 344         $(compile.mi)
 345
 346 CLEAN_libm:
 347         $(do_rm) $(addprefix $(libm_OUT)/,$(foreach e, o os oS a,$(foreach d, *. */*. */*/*.,$(d)$(e))))