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 $(SSP_ALL_CFLAGS)
  26
  27 LDFLAGS-$(UCLIBC_FORMAT_DSBT_ELF)-libm.so := -Wl,--dsbt-index=5
  28 LDFLAGS-libm.so := $(LDFLAGS)
  29
  30 LIBS-libm.so := $(LIBS)
  31
  32 libm_FULL_NAME := libm-$(VERSION).so
  33
  34 libm_DIR:=$(top_srcdir)libm
  35 libm_OUT:=$(top_builddir)libm
  36
  37 libm_ARCH_DIR:=$(libm_DIR)/$(TARGET_ARCH)
  38 libm_ARCH_OUT:=$(libm_OUT)/$(TARGET_ARCH)
  39
  40 ifneq ($(TARGET_SUBARCH),)
  41 libm_SUBARCH_DIR:=$(libm_DIR)/$(TARGET_ARCH)/$(TARGET_SUBARCH)
  42 libm_SUBARCH_OUT:=$(libm_OUT)/$(TARGET_ARCH)/$(TARGET_SUBARCH)
  43 endif
  44
  45 ifeq ($(UCLIBC_HAS_FPU),y)
  46 ifeq ($(DO_C99_MATH),y)
  47 -include $(libm_ARCH_DIR)/Makefile.arch
  48 -include $(libm_SUBARCH_DIR)/Makefile.arch
  49 endif
  50 endif
  51
  52 FL_MSRC := float_wrappers.c
  53 LD_MSRC := ldouble_wrappers.c
  54
  55 ifeq ($(DO_C99_MATH),y)
  56 libm_CSRC := \
  57         e_acos.c e_acosh.c e_asin.c e_atan2.c e_atanh.c e_cosh.c \
  58         e_exp.c e_exp10.c e_fmod.c e_hypot.c \
  59         e_lgamma_r.c e_log.c e_log2.c e_log10.c \
  60         e_pow.c e_remainder.c e_rem_pio2.c e_scalb.c e_sinh.c \
  61         e_sqrt.c k_cos.c k_rem_pio2.c k_sin.c k_tan.c \
  62         s_asinh.c s_atan.c s_cbrt.c s_ceil.c s_copysign.c s_cos.c \
  63         s_erf.c s_expm1.c s_fabs.c s_finite.c s_floor.c s_frexp.c \
  64         s_ilogb.c s_ldexp.c s_lib_version.c s_lrint.c s_lround.c s_llround.c \
  65         s_log1p.c s_logb.c s_modf.c s_nextafter.c \
  66         s_nextafterf.c s_round.c \
  67         s_rint.c s_scalbn.c s_signgam.c s_significand.c s_sin.c s_tan.c \
  68         s_tanh.c s_trunc.c \
  69         w_cabs.c \
  70         nan.c carg.c s_llrint.c \
  71         s_fpclassify.c s_fpclassifyf.c s_signbit.c s_signbitf.c \
  72         s_isnan.c s_isnanf.c s_isinf.c s_isinff.c s_finitef.c \
  73         s_fdim.c s_fma.c s_fmax.c s_fmin.c \
  74         s_remquo.c w_exp2.c \
  75         cexp.c sincos.c
  76
  77 FL_MOBJ := \
  78         acosf.o \
  79         acoshf.o \
  80         asinf.o \
  81         asinhf.o \
  82         atan2f.o \
  83         atanf.o \
  84         atanhf.o \
  85         cargf.o \
  86         cbrtf.o \
  87         ceilf.o \
  88         copysignf.o \
  89         cosf.o \
  90         coshf.o \
  91         erfcf.o \
  92         erff.o \
  93         exp2f.o \
  94         expf.o \
  95         expm1f.o \
  96         fabsf.o \
  97         fdimf.o \
  98         floorf.o \
  99         fmaf.o \
 100         fmaxf.o \
 101         fminf.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         nearbyintf.o \
 120         nexttowardf.o \
 121         powf.o \
 122         remainderf.o \
 123         remquof.o \
 124         rintf.o \
 125         roundf.o \
 126         scalblnf.o \
 127         scalbnf.o \
 128         significandf.o \
 129         sinf.o \
 130         sinhf.o \
 131         sqrtf.o \
 132         tanf.o \
 133         tanhf.o \
 134         tgammaf.o \
 135         truncf.o \
 136
 137 ifeq ($(UCLIBC_SUSV3_LEGACY),y)
 138 FL_MOBJ += scalbf.o
 139 endif
 140
 141 # Do not (yet?) implement the float variants of bessel functions
 142 ifeq (not-yet-implemented-$(DO_XSI_MATH),y)
 143 FL_MOBJ += \
 144         j0f.o \
 145         j1f.o \
 146         jnf.o \
 147         y0f.o \
 148         y1f.o \
 149         ynf.o
 150 endif
 151
 152 LD_MOBJ := \
 153         __finitel.o \
 154         __fpclassifyl.o \
 155         __isinfl.o \
 156         __isnanl.o \
 157         __signbitl.o \
 158         acoshl.o \
 159         acosl.o \
 160         asinhl.o \
 161         asinl.o \
 162         atan2l.o \
 163         atanhl.o \
 164         atanl.o \
 165         cargl.o \
 166         cbrtl.o \
 167         ceill.o \
 168         copysignl.o \
 169         coshl.o \
 170         cosl.o \
 171         erfcl.o \
 172         erfl.o \
 173         exp2l.o \
 174         expl.o \
 175         expm1l.o \
 176         fabsl.o \
 177         fdiml.o \
 178         floorl.o \
 179         fmal.o \
 180         fmaxl.o \
 181         fminl.o \
 182         fmodl.o \
 183         frexpl.o \
 184         gammal.o \
 185         hypotl.o \
 186         ilogbl.o \
 187         ldexpl.o \
 188         lgammal.o \
 189         llrintl.o \
 190         llroundl.o \
 191         log10l.o \
 192         log1pl.o \
 193         log2l.o \
 194         logbl.o \
 195         logl.o \
 196         lrintl.o \
 197         lroundl.o \
 198         modfl.o \
 199         nearbyintl.o \
 200         nextafterl.o \
 201         nexttowardl.o \
 202         powl.o \
 203         remainderl.o \
 204         remquol.o \
 205         rintl.o \
 206         roundl.o \
 207         scalblnl.o \
 208         scalbnl.o \
 209         significandl.o \
 210         sinhl.o \
 211         sinl.o \
 212         sqrtl.o \
 213         tanhl.o \
 214         tanl.o \
 215         tgammal.o \
 216         truncl.o \
 217
 218 # Do not (yet?) implement the long double variants of bessel functions
 219 ifeq (not-yet-implemented-$(DO_XSI_MATH),y)
 220 LD_MOBJ += \
 221         j0l.o \
 222         j1l.o \
 223         jnl.o \
 224         y0l.o \
 225         y1l.o \
 226         ynl.o
 227 endif
 228
 229 else
 230
 231 # This list of math functions was taken from POSIX/IEEE 1003.1b-1993
 232 libm_CSRC := \
 233         s_atan.c s_ceil.c s_cos.c \
 234         s_fabs.c s_floor.c s_frexp.c \
 235         s_ldexp.c s_modf.c s_sin.c \
 236         s_tan.c s_tanh.c \
 237         s_expm1.c s_scalbn.c s_copysign.c e_acos.c e_asin.c e_atan2.c \
 238         k_cos.c e_cosh.c e_exp.c e_fmod.c e_log.c e_log10.c e_pow.c \
 239         k_sin.c e_sinh.c e_sqrt.c k_tan.c e_rem_pio2.c k_rem_pio2.c \
 240         s_finite.c e_exp10.c
 241 # We'll add sqrtf to avoid problems with libstdc++
 242 FL_MOBJ := sqrtf.o
 243 endif
 244
 245 ifeq ($(DO_XSI_MATH),y)
 246 libm_CSRC += e_j0.c e_j1.c e_jn.c
 247 endif
 248
 249 # assume that arch specific versions are provided as single sources/objects
 250 ifeq ($(UCLIBC_HAS_FPU),y)
 251 ifeq ($(DO_C99_MATH),y)
 252 ifneq ($(strip $(libm_ARCH_OBJS)),)
 253
 254 # remove generic sources, if arch specific version is present
 255 ifneq ($(strip $(libm_ARCH_SRC)),)
 256 libm_CSRC := $(filter-out $(notdir $(libm_ARCH_SRC)),$(libm_CSRC))
 257 endif
 258
 259 # remove generic objects built from multi-sources, if arch specific version is present
 260 FL_MOBJ := $(filter-out $(notdir $(libm_ARCH_OBJS)),$(FL_MOBJ))
 261 LD_MOBJ := $(filter-out $(notdir $(libm_ARCH_OBJS)),$(LD_MOBJ))
 262
 263 # we also try to remove % if s_% is in arch specific subdir
 264 FL_MOBJ := $(filter-out $(patsubst s_%.o,%.o,$(notdir $(libm_ARCH_OBJS))),$(FL_MOBJ))
 265 LD_MOBJ := $(filter-out $(patsubst s_%.o,%.o,$(notdir $(libm_ARCH_OBJS))),$(LD_MOBJ))
 266 endif
 267 endif
 268 endif
 269
 270 libm_SRC := $(patsubst %.c,$(libm_DIR)/%.c,$(libm_CSRC))
 271 libm_OBJ := $(patsubst $(libm_DIR)/%.c,$(libm_OUT)/%.o,$(libm_SRC))
 272
 273 ifeq ($(strip $(UCLIBC_HAS_LONG_DOUBLE_MATH)),y)
 274 libm_MSRC_LD := $(libm_DIR)/$(LD_MSRC)
 275 libm_MOBJ_LD := $(patsubst %.o,$(libm_OUT)/%.o,$(LD_MOBJ))
 276 endif
 277 libm_MSRC_FL := $(libm_DIR)/$(FL_MSRC)
 278 libm_MOBJ_FL := $(patsubst %.o,$(libm_OUT)/%.o,$(FL_MOBJ))
 279
 280
 281 ifneq ($(DOMULTI),n)
 282 CFLAGS-libm += $(patsubst %,-DL_%,$(subst .o,,$(notdir $(libm_MOBJ_FL))))
 283 ifeq ($(strip $(UCLIBC_HAS_LONG_DOUBLE_MATH)),y)
 284 CFLAGS-libm += $(patsubst %,-DL_%,$(subst .o,,$(notdir $(libm_MOBJ_LD))))
 285 endif
 286 endif
 287
 288 libm_OBJS := $(libm_OBJ) $(libm_MOBJ_FL) $(libm_MOBJ_LD)
 289
 290 ifeq ($(DOPIC),y)
 291 libm-a-y += $(libm_OBJS:.o=.os)
 292 else
 293 libm-a-y += $(libm_OBJS)
 294 endif
 295 libm-so-y += $(libm_OBJS:.o=.os)
 296
 297 lib-a-$(UCLIBC_HAS_FLOATS) += $(top_builddir)lib/libm.a
 298 lib-so-$(UCLIBC_HAS_FLOATS) += $(top_builddir)lib/libm.so
 299 objclean-y += CLEAN_libm
 300
 301 ifeq ($(DOMULTI),n)
 302 ifeq ($(DOPIC),y)
 303 $(top_builddir)lib/libm.so: $(top_builddir)lib/libm.a $(libc.depend)
 304 else
 305 $(top_builddir)lib/libm.so: $(libm_OUT)/libm_so.a $(libc.depend)
 306 endif
 307         $(call link.so,$(libm_FULL_NAME),$(ABI_VERSION))
 308 else
 309 $(top_builddir)lib/libm.so: $(libm_OUT)/libm.oS | $(libc.depend)
 310         $(call linkm.so,$(libm_FULL_NAME),$(ABI_VERSION))
 311 endif
 312
 313 $(libm_OUT)/libm_so.a: $(libm-so-y)
 314         $(Q)$(RM) $@
 315         $(do_ar)
 316
 317 $(libm_OUT)/libm.oS: $(libm_SRC) $(libm_MSRC_FL) $(libm_MSRC_LD) $(libm_ARCH_SRC)
 318         $(Q)$(RM) $@
 319         $(compile-m)
 320
 321 $(top_builddir)lib/libm.a: $(libm-a-y)
 322         $(Q)$(INSTALL) -d $(dir $@)
 323         $(Q)$(RM) $@
 324         $(do_ar)
 325
 326 $(libm_MOBJ_FL): $(libm_MSRC_FL)
 327         $(compile.m)
 328
 329 $(libm_MOBJ_LD): $(libm_MSRC_LD)
 330         $(compile.m)
 331
 332 $(libm_MOBJ_FL:.o=.os): $(libm_MSRC_FL)
 333         $(compile.m)
 334
 335 $(libm_MOBJ_LD:.o=.os): $(libm_MSRC_LD)
 336         $(compile.m)
 337
 338 # spare us from adding a gazillion dummy two-liner files
 339 $(libm_MOBJ_FL:.o=.i): $(libm_MSRC_FL)
 340         $(compile.mi)
 341
 342 $(libm_MOBJ_LD:.o=.i): $(libm_MSRC_LD)
 343         $(compile.mi)
 344
 345 CLEAN_libm:
 346         $(do_rm) $(addprefix $(libm_OUT)/,$(foreach e, o os oS a,$(foreach d, *. */*. */*/*.,$(d)$(e))))