math/Makefile

   1 # Copyright (C) 1996-2017 Free Software Foundation, Inc.
   2 # This file is part of the GNU C Library.
   3
   4 # The GNU C Library is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU Lesser General Public
   6 # License as published by the Free Software Foundation; either
   7 # version 2.1 of the License, or (at your option) any later version.
   8
   9 # The GNU C Library is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Lesser General Public License for more details.
  13
  14 # You should have received a copy of the GNU Lesser General Public
  15 # License along with the GNU C Library; if not, see
  16 # <http://www.gnu.org/licenses/>.
  17
  18 # Makefile for the math library.
  19
  20 subdir          := math
  21
  22 include ../Makeconfig
  23
  24 # Installed header files.
  25 headers         := math.h bits/mathcalls.h bits/mathinline.h \
  26                    fpu_control.h complex.h bits/cmathcalls.h fenv.h \
  27                    bits/fenv.h bits/fenvinline.h bits/mathdef.h tgmath.h \
  28                    bits/math-finite.h bits/math-vector.h \
  29                    bits/libm-simd-decl-stubs.h bits/iscanonical.h \
  30                    bits/flt-eval-method.h bits/fp-fast.h bits/fp-logb.h \
  31                    bits/long-double.h bits/mathcalls-helper-functions.h \
  32                    bits/floatn.h bits/floatn-common.h
  33
  34 # FPU support code.
  35 aux             := setfpucw fpu_control
  36
  37 # Build the -lm library.
  38
  39 extra-libs      := libm
  40 extra-libs-others = $(extra-libs)
  41
  42 libm-support = s_lib_version s_matherr s_signgam                        \
  43                fclrexcpt fgetexcptflg fraiseexcpt fsetexcptflg          \
  44                ftestexcept fegetround fesetround fegetenv feholdexcpt   \
  45                fesetenv feupdateenv t_exp fedisblxcpt feenablxcpt       \
  46                fegetexcept fesetexcept fetestexceptflag fegetmode       \
  47                fesetmode
  48
  49 # Wrappers for these functions generated per type using a file named
  50 # <func>_template.c and the appropriate math-type-macros-<TYPE>.h.
  51 gen-libm-calls = cargF conjF cimagF crealF cabsF s_cacosF                 \
  52                  s_cacoshF s_ccosF s_ccoshF s_casinF s_csinF s_casinhF    \
  53                  k_casinhF s_csinhF k_casinhF s_csinhF s_catanhF s_catanF \
  54                  s_ctanF s_ctanhF s_cexpF s_clogF s_cprojF s_csqrtF       \
  55                  s_cpowF s_clog10F s_fdimF s_nextdownF s_fmaxF s_fminF    \
  56                  s_nanF s_iseqsigF s_canonicalizeF w_ilogbF w_llogbF      \
  57                  w_log1pF w_scalblnF s_fmaxmagF s_fminmagF w_acosF        \
  58                  w_acoshF w_asinF w_atan2F w_atanhF w_coshF w_exp10F      \
  59                  w_exp2F w_fmodF w_hypotF w_j0F w_j1F w_jnF w_logF        \
  60                  w_log10F w_log2F w_powF w_remainderF w_sinhF w_sqrtF     \
  61                  w_tgammaF w_lgammaF w_lgammaF_r w_expF e_exp2F
  62
  63 libm-calls =                                                              \
  64         e_acosF e_acoshF e_asinF e_atan2F e_atanhF e_coshF e_expF e_fmodF \
  65         e_hypotF e_j0F e_j1F e_jnF e_lgammaF_r e_logF e_log10F e_powF     \
  66         e_rem_pio2F e_remainderF e_scalbF e_sinhF e_sqrtF e_gammaF_r      \
  67         e_ilogbF                                                          \
  68         k_cosF k_sinF k_tanF s_asinhF s_atanF s_cbrtF                     \
  69         s_ceilF s_cosF s_erfF s_expm1F s_fabsF                            \
  70         s_floorF s_log1pF s_logbF                                 \
  71         s_nextafterF s_nexttowardF s_rintF s_scalblnF                     \
  72         s_significandF s_sinF s_tanF s_tanhF                              \
  73         s_fpclassifyF s_truncF                                            \
  74         s_remquoF e_log2F s_roundF s_nearbyintF s_sincosF                 \
  75         s_fmaF s_lrintF s_llrintF s_lroundF s_llroundF e_exp10F           \
  76         s_issignalingF $(calls:s_%=m_%) x2y2m1F                           \
  77         gamma_productF lgamma_negF lgamma_productF                        \
  78         s_nextupF s_totalorderF s_totalordermagF s_getpayloadF            \
  79         s_setpayloadF s_setpayloadsigF s_roundevenF s_fromfpF s_ufromfpF  \
  80         s_fromfpxF s_ufromfpxF $(gen-libm-calls)
  81
  82 libm-compat-calls =                                                     \
  83         w_acosF_compat w_acoshF_compat w_asinF_compat w_atan2F_compat   \
  84         w_atanhF_compat w_coshF_compat w_exp2F_compat w_exp10F_compat   \
  85         w_fmodF_compat w_hypotF_compat w_j0F_compat w_j1F_compat        \
  86         w_jnF_compat w_log2F_compat w_log10F_compat w_logF_compat       \
  87         w_powF_compat w_remainderF_compat w_scalbF_compat               \
  88         w_sinhF_compat w_sqrtF_compat w_tgammaF_compat                  \
  89         w_lgammaF_r_compat w_lgammaF_compat2 w_expF_compat              \
  90         w_lgamma_compatF k_standardF
  91
  92 # Type specific routine support.
  93 #
  94 # The following three variables control what is included for each type:
  95 #
  96 # type-floatN-suffix = The suffix of the type
  97 # type-floatN-routines = Type specific support objects
  98 # type-floatN-yes = If the type is supported, evaluates to floatN
  99 #
 100 # Finally, note that types is an intentionally recursive variable.
 101 # We only know the full set of supported types for the target machine
 102 # after the Rules makefile has been parsed.
 103 types-basic = $(type-ldouble-$(long-double-fcts)) double float
 104
 105 # Like types, but includes types whose functions alias those for
 106 # another type.
 107 test-types-basic = ldouble double float
 108
 109 # long double support
 110 type-ldouble-suffix := l
 111 type-ldouble-routines := t_sincosl k_sincosl s_iscanonicall
 112 type-ldouble-yes := ldouble
 113
 114 # double support
 115 type-double-suffix :=
 116 type-double-routines := branred doasin dosincos halfulp mpa mpatan2     \
 117                        mpatan mpexp mplog mpsqrt mptan sincos32 slowexp \
 118                        slowpow sincostab k_rem_pio2
 119
 120 # float support
 121 type-float-suffix := f
 122 type-float-routines := k_rem_pio2f math_errf e_exp2f_data e_logf_data   \
 123                        e_log2f_data e_powf_log2_data
 124
 125 # _Float128 support
 126 type-float128-suffix := f128
 127 type-float128-routines := t_sincosf128 k_sincosf128
 128 type-float128-yes := float128
 129
 130 # _Float64x may be supported, only as an alias type.
 131 type-float64x-yes := float64x
 132
 133 types = $(types-basic) $(type-float128-$(float128-fcts))
 134 test-types = $(test-types-basic) $(type-float128-$(float128-fcts)) \
 135              float32 float64 $(type-float128-$(float128-alias-fcts)) \
 136              float32x $(type-float64x-$(float64x-alias-fcts))
 137
 138 # For each of the basic types (float, double, long double), replace the
 139 # occurrences of 'F' in arg 1 with the appropriate suffix for the type.
 140 type-basic-foreach = $(foreach t, $(types-basic), \
 141                        $(subst F,$(type-$(t)-suffix),$(1)))
 142
 143 # Apply suffix to each type in arg 1
 144 type-foreach = $(foreach t,$(types),$(subst F,$(type-$(t)-suffix),$(1)))
 145
 146 libm-routines = $(strip $(libm-support)                                 \
 147                         $(call type-basic-foreach,                      \
 148                                $(libm-compat-calls))                    \
 149                         $(call type-foreach, $(libm-calls))             \
 150                         $(foreach t, $(types), $(type-$(t)-routines)))  \
 151
 152 # These functions are in libc instead of libm because __printf_fp
 153 # calls them, so any program using printf will need them linked in,
 154 # and we don't want to have to link every program with -lm.
 155 # In libm-calls (above), list m_foo in place of s_foo for any
 156 # routine that should be compiled separately for its libc and libm versions.
 157 calls = s_isinfF s_isnanF s_finiteF s_copysignF s_modfF s_scalbnF s_frexpF \
 158         s_signbitF $(gen-calls)
 159 gen-calls = s_ldexpF
 160 generated += $(foreach s,.c .S,$(call type-foreach, $(calls:s_%=m_%$(s))))
 161 routines = $(call type-foreach, $(calls))
 162
 163 ifeq ($(build-mathvec),yes)
 164 # We need to install libm.so and libm.a as linker scripts
 165 # for transparent use of vector math library.
 166 install-lib-ldscripts := libm.so libm.a
 167 install-others = $(inst_libdir)/libm.so $(inst_libdir)/libm.a
 168 $(inst_libdir)/libm.so: $(common-objpfx)format.lds \
 169                         $(libm) \
 170                         $(libmvec) \
 171                         $(+force)
 172         (echo '/* GNU ld script'; echo '*/';\
 173          cat $<; \
 174          echo 'GROUP ( $(slibdir)/libm.so$(libm.so-version) ' \
 175               'AS_NEEDED ( $(libdir)/libmvec_nonshared.a $(slibdir)/libmvec.so$(libmvec.so-version) ) )' \
 176         ) > $@.new
 177         mv -f $@.new $@
 178
 179 $(inst_libdir)/libm-$(version).a: $(objpfx)libm.a \
 180                                   $(+force)
 181         $(do-install)
 182
 183 $(inst_libdir)/libm.a: $(common-objpfx)format.lds \
 184                        $(inst_libdir)/libm-$(version).a \
 185                        $(objpfx)../mathvec/libmvec.a \
 186                        $(+force)
 187         (echo '/* GNU ld script'; echo '*/';\
 188          cat $<; \
 189          echo 'GROUP ( $(libdir)/libm-$(version).a $(libdir)/libmvec.a )' \
 190         ) > $@.new
 191         mv -f $@.new $@
 192 endif
 193
 194 # Rules for the test suite.
 195 tests = test-matherr-3 test-fenv basic-test \
 196         test-misc test-fpucw test-fpucw-ieee tst-definitions test-tgmath \
 197         test-tgmath-ret bug-nextafter bug-nexttoward bug-tgmath1 \
 198         test-tgmath-int test-tgmath2 test-powl tst-CMPLX tst-CMPLX2 test-snan \
 199         test-fenv-tls test-fenv-preserve test-fenv-return test-fenvinline \
 200         test-nearbyint-except test-fenv-clear test-signgam-finite \
 201         test-signgam-finite-c99 test-signgam-finite-c11 \
 202         test-nearbyint-except-2 test-signgam-uchar test-signgam-uchar-init \
 203         test-signgam-uint test-signgam-uint-init test-signgam-ullong \
 204         test-signgam-ullong-init test-nan-overflow test-nan-payload \
 205         test-fexcept test-fexcept-traps test-fesetexcept \
 206         test-fesetexcept-traps test-fetestexceptflag test-femode \
 207         test-femode-traps test-iszero-excess-precision \
 208         test-iseqsig-excess-precision test-flt-eval-method \
 209         test-fp-ilogb-constants test-fp-llogb-constants \
 210         test-fe-snans-always-signal test-finite-macros $(tests-static)
 211 tests-static = test-fpucw-static test-fpucw-ieee-static \
 212                test-signgam-uchar-static test-signgam-uchar-init-static \
 213                test-signgam-uint-static test-signgam-uint-init-static \
 214                test-signgam-ullong-static test-signgam-ullong-init-static
 215 tests-internal = test-matherr test-matherr-2
 216
 217 # These tests use internal (unexported) GMP functions and are linked
 218 # statically to obtain access to these functions.
 219 tests-static += atest-exp atest-sincos atest-exp2
 220
 221 ifneq (,$(CXX))
 222 tests += test-math-isinff test-math-iszero test-math-issignaling \
 223          test-math-iscanonical test-math-cxx11
 224 endif
 225
 226 ifneq (no,$(PERL))
 227 libm-vec-tests = $(addprefix test-,$(libmvec-tests))
 228 libm-test-support = $(foreach t,$(test-types),libm-test-support-$(t))
 229 test-extras += $(libm-test-support)
 230 extra-test-objs += $(addsuffix .o, $(libm-test-support))
 231 libm-vec-test-wrappers = $(addsuffix -wrappers, $(libm-vec-tests))
 232 test-extras += $(libm-vec-test-wrappers)
 233 extra-test-objs += $(addsuffix .o, $(libm-vec-test-wrappers))
 234
 235 ulps-file = $(firstword $(wildcard $(sysdirs:%=%/libm-test-ulps)))
 236
 237 $(objpfx)libm-test-ulps.h: $(ulps-file) gen-libm-test.pl
 238         $(make-target-directory)
 239         $(PERL) gen-libm-test.pl -u $< -H $@
 240
 241 libm-test-funcs-auto = acos acosh asin asinh atan atan2 atanh cabs cacos \
 242                        cacosh carg casin casinh catan catanh cbrt ccos ccosh \
 243                        cexp clog clog10 cos cosh cpow csin csinh csqrt ctan \
 244                        ctanh erf erfc exp exp10 exp2 expm1 fma hypot j0 j1 jn \
 245                        lgamma log log10 log1p log2 pow sin sincos sinh sqrt \
 246                        tan tanh tgamma y0 y1 yn
 247 libm-test-funcs-noauto = canonicalize ceil cimag conj copysign cproj creal \
 248                          fabs fdim floor fmax fmaxmag fmin fminmag fmod \
 249                          fpclassify frexp fromfp fromfpx getpayload ilogb \
 250                          iscanonical iseqsig isfinite isgreater \
 251                          isgreaterequal isinf isless islessequal \
 252                          islessgreater isnan isnormal issignaling issubnormal \
 253                          isunordered iszero llogb llrint llround logb lrint \
 254                          lround modf nearbyint nextafter nextdown nexttoward \
 255                          nextup remainder remquo rint round roundeven scalb \
 256                          scalbln scalbn setpayload setpayloadsig signbit \
 257                          significand totalorder totalordermag trunc ufromfp \
 258                          ufromfpx
 259 libm-test-funcs-all = $(libm-test-funcs-auto) $(libm-test-funcs-noauto)
 260 libm-test-c-auto = $(foreach f,$(libm-test-funcs-auto),libm-test-$(f).c)
 261 libm-test-c-noauto = $(foreach f,$(libm-test-funcs-noauto),libm-test-$(f).c)
 262 generated += libm-test-ulps.h $(libm-test-c-auto) $(libm-test-c-noauto)
 263
 264 libm-tests-base-normal = $(foreach t,$(test-types),test-$(t))
 265 libm-tests-base-finite = $(foreach t,$(test-types),test-$(t)-finite)
 266 libm-tests-base-inline = $(foreach t,$(test-types),test-i$(t))
 267 libm-tests-base = $(libm-tests-base-normal) $(libm-tests-base-finite) \
 268                   $(libm-tests-base-inline) $(libm-vec-tests)
 269 libm-tests-normal = $(foreach t,$(libm-tests-base-normal),\
 270                                 $(foreach f,$(libm-test-funcs-all),\
 271                                             $(t)-$(f)))
 272 libm-tests-finite = $(foreach t,$(libm-tests-base-finite),\
 273                                 $(foreach f,$(libm-test-funcs-all),\
 274                                             $(t)-$(f)))
 275 libm-tests-inline = $(foreach t,$(libm-tests-base-inline),\
 276                                 $(foreach f,$(libm-test-funcs-all),\
 277                                             $(t)-$(f)))
 278 libm-tests-vector = $(foreach t,$(libmvec-tests),\
 279                                 $(foreach f,$($(t)-funcs),test-$(t)-$(f)))
 280 libm-tests = $(libm-tests-normal) $(libm-tests-finite) $(libm-tests-inline) \
 281              $(libm-tests-vector)
 282 libm-tests-for-type = $(foreach f,$(libm-test-funcs-all),\
 283                                   test-$(1)-$(f) test-$(1)-finite-$(f) \
 284                                   test-i$(1)-$(f)) \
 285                       $(filter test-$(1)-%,$(libm-tests-vector))
 286
 287 libm-tests.o = $(addsuffix .o,$(libm-tests))
 288
 289 tests += $(libm-tests)
 290 generated += $(addsuffix .c,$(libm-tests)) \
 291              $(foreach t,$(test-types),libm-test-support-$(t).c)
 292
 293 libm-test-c-auto-obj = $(addprefix $(objpfx),$(libm-test-c-auto))
 294 libm-test-c-noauto-obj = $(addprefix $(objpfx),$(libm-test-c-noauto))
 295
 296 $(libm-test-c-noauto-obj): $(objpfx)libm-test%.c: libm-test%.inc \
 297                                                   gen-libm-test.pl
 298         $(make-target-directory)
 299         $(PERL) gen-libm-test.pl -c $< -a /dev/null -C $@
 300
 301 $(libm-test-c-auto-obj): $(objpfx)libm-test%.c: libm-test%.inc \
 302                                                 gen-libm-test.pl \
 303                                                 auto-libm-test-out%
 304         $(make-target-directory)
 305         $(PERL) gen-libm-test.pl -c $< -a auto-libm-test-out$* -C $@
 306
 307 libm-test-incs = $(foreach f,$(libm-test-funcs-all),libm-test-$(f).inc)
 308 endif
 309
 310 ifdef PYTHON
 311 tests += test-tgmath3
 312 generated += test-tgmath3.c
 313 CFLAGS-test-tgmath3.c += -fno-builtin
 314
 315 $(objpfx)test-tgmath3.c: gen-tgmath-tests.py
 316         $(PYTHON) $< > $@
 317 endif
 318
 319 libm-test-fast-math-cflags = -fno-builtin -D__FAST_MATH__ -DTEST_FAST_MATH
 320 libm-test-vec-cflags = $(libm-test-fast-math-cflags) -fno-inline \
 321                        -ffloat-store -D_OPENMP=201307 -Wno-unknown-pragmas
 322
 323 CFLAGS-test-double-vlen4-wrappers.c += $(double-vlen4-arch-ext-cflags)
 324
 325 CFLAGS-test-double-vlen8-wrappers.c += $(double-vlen8-arch-ext-cflags)
 326
 327 CFLAGS-test-float-vlen8-wrappers.c += $(float-vlen8-arch-ext-cflags)
 328
 329 CFLAGS-test-float-vlen16-wrappers.c += $(float-vlen16-arch-ext-cflags)
 330
 331 # The no-inline tests use -fsignaling-nans, and thereby use the
 332 # versions of classification macros that support sNaNs.  The inline
 333 # function tests use the versions of classification macros that may
 334 # raise spurious exceptions for sNaNs, but also do not test for
 335 # exceptions.  Thus both versions of the classification macros are
 336 # validated.
 337 libm-test-no-inline-cflags = -fno-inline -ffloat-store -fno-builtin \
 338                              -fsignaling-nans
 339 libm-test-finite-cflags = $(libm-test-no-inline-cflags) \
 340                           -U__FINITE_MATH_ONLY__ -D__FINITE_MATH_ONLY__=1
 341 libm-test-inline-cflags = $(libm-test-fast-math-cflags)
 342 CFLAGS-test-tgmath.c += -fno-builtin
 343 # The following testcase uses very long lines (>3 million), so it may take a
 344 # while to compile it. See: http://llvm.org/bugs/show_bug.cgi?id=14106 and
 345 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54402
 346 CFLAGS-test-tgmath2.c += -fno-builtin
 347 CFLAGS-test-tgmath-ret.c += -fno-builtin
 348 CFLAGS-test-powl.c += -fno-builtin
 349
 350 CFLAGS-test-snan.c += -fsignaling-nans
 351
 352 CFLAGS-test-signgam-finite.c += -ffinite-math-only
 353 CFLAGS-test-signgam-finite-c99.c += -ffinite-math-only -std=c99
 354 CFLAGS-test-signgam-finite-c11.c += -ffinite-math-only -std=c11
 355 CFLAGS-test-signgam-uchar.c += -std=c99
 356 CFLAGS-test-signgam-uchar-init.c += -std=c99
 357 CFLAGS-test-signgam-uchar-static.c += -std=c99
 358 CFLAGS-test-signgam-uchar-init-static.c += -std=c99
 359 CFLAGS-test-signgam-uint.c += -std=c99
 360 CFLAGS-test-signgam-uint-init.c += -std=c99
 361 CFLAGS-test-signgam-uint-static.c += -std=c99
 362 CFLAGS-test-signgam-uint-init-static.c += -std=c99
 363 CFLAGS-test-signgam-ullong.c += -std=c99
 364 CFLAGS-test-signgam-ullong-init.c += -std=c99
 365 CFLAGS-test-signgam-ullong-static.c += -std=c99
 366 CFLAGS-test-signgam-ullong-init-static.c += -std=c99
 367
 368 CFLAGS-test-math-cxx11.cc += -std=c++11
 369
 370 CFLAGS-test-math-isinff.cc += -std=gnu++11
 371 CFLAGS-test-math-iszero.cc += -std=gnu++11
 372 CFLAGS-test-math-issignaling.cc += -std=gnu++11
 373 CFLAGS-test-math-iscanonical.cc += -std=gnu++11
 374
 375 CFLAGS-test-iszero-excess-precision.c += -fexcess-precision=standard
 376 CFLAGS-test-iseqsig-excess-precision.c += -fexcess-precision=standard
 377 CFLAGS-test-flt-eval-method.c += -fexcess-precision=standard
 378
 379 CFLAGS-test-fe-snans-always-signal.c += -fsignaling-nans
 380
 381 CFLAGS-test-finite-macros.c += -ffinite-math-only
 382
 383 include ../Rules
 384
 385 gen-all-calls = $(gen-libm-calls) $(gen-calls)
 386
 387 generated += $(addsuffix .c,$(call type-foreach,$(gen-all-calls))) \
 388              gen-libm-templates.stmp
 389
 390 # Create wrappers in the math build directory.
 391 $(objpfx)gen-libm-templates.stmp: Makefile
 392         $(make-target-directory)
 393         for gcall in $(gen-all-calls); do                                 \
 394           func=$${gcall%F*}$${gcall#*F};                                  \
 395           for type in $(foreach t,$(types),$(t)__$(type-$(t)-suffix)); do \
 396             suff=$${type#*__};                                            \
 397             type=$${type%__*};                                            \
 398             file=$(objpfx)$${gcall%F*}$${suff}$${gcall#*F}.c;             \
 399             (                                                             \
 400               echo "#include <math-type-macros-$${type}.h>";              \
 401               echo "#include <$${func}_template.c>";                      \
 402             ) > $${file};                                                 \
 403           done;                                                           \
 404         done;                                                             \
 405         echo > $(@)
 406
 407 # Add dependency to ensure the generator runs prior.
 408 $(foreach t, $(call type-foreach, $(gen-all-calls)), \
 409              $(objpfx)$(t).c): $(objpfx)gen-libm-templates.stmp
 410
 411 ifneq (no,$(PERL))
 412 # This must come after the inclusion of sysdeps Makefiles via Rules.
 413
 414 $(foreach t,$(libm-tests-normal),$(objpfx)$(t).c): $(objpfx)test-%.c:
 415         type_func=$*; \
 416         type=$${type_func%%-*}; \
 417         func=$${type_func#*-}; \
 418         ( \
 419           echo "#include <test-$$type.h>"; \
 420           echo "#include <test-math-no-finite.h>"; \
 421           echo "#include <test-math-no-inline.h>"; \
 422           echo "#include <test-math-errno.h>"; \
 423           echo "#include <test-math-scalar.h>"; \
 424           echo "#include <libm-test-$$func.c>"; \
 425         ) > $@
 426
 427 $(foreach t,$(libm-tests-finite),$(objpfx)$(t).c): $(objpfx)test-%.c:
 428         type_func=$*; \
 429         type=$${type_func%%-*}; \
 430         func=$${type_func#*-finite-}; \
 431         ( \
 432           echo "#include <test-$$type.h>"; \
 433           echo "#include <test-math-finite.h>"; \
 434           echo "#include <test-math-no-inline.h>"; \
 435           echo "#include <test-math-scalar.h>"; \
 436           echo "#include <libm-test-$$func.c>"; \
 437         ) > $@
 438
 439 $(foreach t,$(libm-tests-inline),$(objpfx)$(t).c): $(objpfx)test-i%.c:
 440         type_func=$*; \
 441         type=$${type_func%%-*}; \
 442         func=$${type_func#*-}; \
 443         ( \
 444           echo "#include <test-$$type.h>"; \
 445           echo "#include <test-math-inline.h>"; \
 446           echo "#include <test-math-scalar.h>"; \
 447           echo "#include <libm-test-$$func.c>"; \
 448         ) > $@
 449
 450 $(foreach t,$(libm-tests-vector),$(objpfx)$(t).c): $(objpfx)test-%.c:
 451         type_func=$*; \
 452         type=$${type_func%-*}; \
 453         func=$${type_func##*-}; \
 454         func_args=$$(grep ALL_RM_TEST libm-test-$$func.inc \
 455                      | sed 's/.*RUN_TEST_LOOP_//;s/_.*//'); \
 456         ( \
 457           echo "#include <test-$$type.h>"; \
 458           echo "WRAPPER_DECL_$$func_args (WRAPPER_NAME (FUNC ($$func)))"; \
 459           echo "#include <libm-test-$$func.c>"; \
 460         ) > $@
 461
 462 $(foreach t,$(test-types),\
 463             $(objpfx)libm-test-support-$(t).c): $(objpfx)libm-test-support-%.c:
 464         ( \
 465           echo "#include <test-$*.h>"; \
 466           echo "#include <libm-test-support.c>"; \
 467         ) > $@
 468
 469 $(addprefix $(objpfx), $(libm-tests.o)): $(objpfx)libm-test-ulps.h
 470
 471 define o-iterator-doit
 472 $(foreach f,$(libm-test-funcs-all),\
 473             $(objpfx)$(o)-$(f).o): $(objpfx)$(o)%.o: $(objpfx)libm-test%.c
 474 endef
 475 object-suffixes-left := $(libm-tests-base)
 476 include $(o-iterator)
 477
 478 define o-iterator-doit
 479 $(foreach f,$(libm-test-funcs-all),\
 480             $(objpfx)$(o)-$(f).o): CFLAGS += $(libm-test-no-inline-cflags)
 481 endef
 482 object-suffixes-left := $(libm-tests-base-normal)
 483 include $(o-iterator)
 484
 485 define o-iterator-doit
 486 $(foreach f,$(libm-test-funcs-all),\
 487             $(objpfx)$(o)-$(f).o): CFLAGS += $(libm-test-finite-cflags)
 488 endef
 489 object-suffixes-left := $(libm-tests-base-finite)
 490 include $(o-iterator)
 491
 492 define o-iterator-doit
 493 $(foreach f,$(libm-test-funcs-all),\
 494             $(objpfx)$(o)-$(f).o): CFLAGS += $(libm-test-inline-cflags)
 495 endef
 496 object-suffixes-left := $(libm-tests-base-inline)
 497 include $(o-iterator)
 498
 499 define o-iterator-doit
 500 $(foreach f,$($(o)-funcs),\
 501             $(objpfx)test-$(o)-$(f).o): CFLAGS += $(libm-test-vec-cflags)
 502 endef
 503 object-suffixes-left := $(libmvec-tests)
 504 include $(o-iterator)
 505
 506 define o-iterator-doit
 507 $(addprefix $(objpfx),\
 508             $(call libm-tests-for-type,$(o))): $(objpfx)libm-test-support-$(o).o
 509 endef
 510 object-suffixes-left := $(test-types)
 511 include $(o-iterator)
 512
 513 define o-iterator-doit
 514 $(objpfx)libm-test-support-$(o).o: CFLAGS += $(libm-test-no-inline-cflags)
 515 endef
 516 object-suffixes-left := $(test-types)
 517 include $(o-iterator)
 518
 519 # Run the math programs to automatically generate ULPs files.
 520 .PHONY: regen-ulps
 521
 522 run-regen-ulps = $(test-wrapper-env) \
 523             $(run-program-env) \
 524             $($*-ENV) $(rtld-prefix) $${run}
 525
 526 regen-ulps: $(addprefix $(objpfx),$(libm-tests))
 527         rm -f $(objpfx)ULPs; rm -f $(objpfx)NewUlps; \
 528         cp $(ulps-file) $(objpfx)libm-test-ulps; \
 529         for run in $^; do \
 530           echo "Regenerating ULPs for $${run}"; \
 531           $(run-regen-ulps) -u -o $(objpfx); \
 532           cat $(objpfx)ULPs >> $(objpfx)libm-test-ulps; \
 533           rm $(objpfx)ULPs; \
 534         done; \
 535         $(PERL) gen-libm-test.pl -n $(objpfx)NewUlps \
 536                                  -u $(objpfx)libm-test-ulps; \
 537         echo "Automatic regeneration of ULPs complete."; \
 538         echo "Difference between the current baseline and the new baseline is:";\
 539         diff -urN $(ulps-file) $(objpfx)NewUlps; \
 540         echo "Copy $(objpfx)NewUlps to $(ulps-file) (relative to source)."
 541 else
 542 regen-ulps:
 543         @echo "Automatic regeneration of ULPs requires perl."; \
 544         exit 1;
 545 endif
 546
 547 # The generated sysd-rules file defines rules like this for sources
 548 # coming from sysdeps/ directories.  These rules find the generic sources.
 549 define o-iterator-doit
 550 $(objpfx)m_%$o: s_%.c $(before-compile); $$(compile-command.c)
 551 endef
 552 object-suffixes-left := $(all-object-suffixes)
 553 include $(o-iterator)
 554
 555 # Likewise, for those generated files shared with libc.
 556 define o-iterator-doit
 557 $(objpfx)m_%$o: $(objpfx)s_%.c $(before-compile); $$(compile-command.c)
 558 endef
 559 object-suffixes-left := $(all-object-suffixes)
 560 include $(o-iterator)
 561
 562 # We don't want the fdlibm code to use the inline math functions,
 563 # only the fdlibm code.
 564 math-CPPFLAGS += -D__NO_MATH_INLINES -D__LIBC_INTERNAL_MATH_INLINES
 565
 566 ifneq ($(long-double-fcts),yes)
 567 # The `double' and `long double' types are the same on this machine.
 568 # We won't compile the `long double' code at all.  Tell the `double' code
 569 # to define aliases for the `FUNCl' names.
 570 math-CPPFLAGS += -DNO_LONG_DOUBLE
 571 endif
 572
 573 # These files quiet sNaNs in a way that is optimized away without
 574 # -fsignaling-nans.
 575 CFLAGS-s_modf.c += -fsignaling-nans
 576 CFLAGS-s_modff.c += -fsignaling-nans
 577 CFLAGS-s_modfl.c += -fsignaling-nans
 578 CFLAGS-s_modff128.c += -fsignaling-nans
 579
 580 $(addprefix $(objpfx),\
 581             $(filter-out $(tests-static) $(libm-tests-vector),\
 582                          $(tests) $(tests-internal))): $(libm)
 583 $(addprefix $(objpfx),$(tests-static)): $(objpfx)libm.a
 584 define o-iterator-doit
 585 $(foreach f,$($(o)-funcs),\
 586             $(objpfx)test-$(o)-$(f)): $(objpfx)test-$(o)-wrappers.o \
 587                                       $(libm) $(libmvec)
 588 endef
 589 object-suffixes-left := $(libmvec-tests)
 590 include $(o-iterator)
 591
 592 $(objpfx)test-fenv-tls: $(shared-thread-library)