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f7a9f785 | 1 | # Copyright (C) 1996-2016 Free Software Foundation, Inc. |
28f540f4 RM |
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 | |
41bdb6e2 AJ |
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. | |
28f540f4 RM |
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 | |
41bdb6e2 | 12 | # Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 | 14 | # You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | # License along with the GNU C Library; if not, see |
16 | # <http://www.gnu.org/licenses/>. | |
0c5ecdc4 UD |
17 | |
18 | # Makefile for the math library. | |
28f540f4 | 19 | |
f7eac6eb RM |
20 | subdir := math |
21 | ||
a5f891ac JM |
22 | include ../Makeconfig |
23 | ||
f7eac6eb | 24 | # Installed header files. |
5107cf1d | 25 | headers := math.h bits/mathcalls.h bits/mathinline.h bits/huge_val.h \ |
a86573f4 RH |
26 | bits/huge_valf.h bits/huge_vall.h bits/inf.h bits/nan.h \ |
27 | fpu_control.h complex.h bits/cmathcalls.h fenv.h \ | |
0ac5ae23 | 28 | bits/fenv.h bits/fenvinline.h bits/mathdef.h tgmath.h \ |
202d48da | 29 | bits/math-finite.h bits/math-vector.h \ |
93eb85ce | 30 | bits/libm-simd-decl-stubs.h bits/iscanonical.h \ |
0acb8a2a JM |
31 | bits/flt-eval-method.h bits/fp-fast.h bits/fp-logb.h \ |
32 | bits/long-double.h | |
f7eac6eb | 33 | |
5fbef188 | 34 | # FPU support code. |
c94a8080 | 35 | aux := setfpucw fpu_control |
28f540f4 | 36 | |
f7eac6eb | 37 | # Build the -lm library. |
28f540f4 | 38 | |
f7eac6eb | 39 | extra-libs := libm |
ec4b0518 | 40 | extra-libs-others = $(extra-libs) |
58e07151 | 41 | |
f56f9124 | 42 | libm-support = s_lib_version s_matherr s_signgam \ |
63551311 UD |
43 | fclrexcpt fgetexcptflg fraiseexcpt fsetexcptflg \ |
44 | ftestexcept fegetround fesetround fegetenv feholdexcpt \ | |
05ef7ce9 | 45 | fesetenv feupdateenv t_exp fedisblxcpt feenablxcpt \ |
ec94343f JM |
46 | fegetexcept fesetexcept fetestexceptflag fegetmode \ |
47 | fesetmode | |
b9e05ed0 | 48 | |
ce6698ea PM |
49 | # Wrappers for these functions generated per type using a file named |
50 | # <func>_template.c and the appropriate math-type-macros-<TYPE>.h. | |
c50eee19 PM |
51 | gen-libm-calls = cargF conjF cimagF crealF cabsF s_cacosF \ |
52 | s_cacoshF s_ccosF s_ccoshF s_casinF s_csinF s_casinhF \ | |
d5602ceb | 53 | k_casinhF s_csinhF k_casinhF s_csinhF s_catanhF s_catanF \ |
feb62dda | 54 | s_ctanF s_ctanhF s_cexpF s_clogF s_cprojF s_csqrtF \ |
2c46d114 | 55 | s_cpowF s_clog10F s_fdimF s_nextdownF s_fmaxF s_fminF \ |
14348aae | 56 | s_nanF s_iseqsigF s_canonicalizeF w_ilogbF w_llogbF \ |
525f8039 | 57 | w_log1pF w_scalblnF s_fmaxmagF s_fminmagF |
ce6698ea | 58 | |
b9e05ed0 PM |
59 | libm-calls = \ |
60 | e_acosF e_acoshF e_asinF e_atan2F e_atanhF e_coshF e_expF e_fmodF \ | |
61 | e_hypotF e_j0F e_j1F e_jnF e_lgammaF_r e_logF e_log10F e_powF \ | |
62 | e_rem_pio2F e_remainderF e_scalbF e_sinhF e_sqrtF e_gammaF_r \ | |
63 | e_ilogbF \ | |
2bad840e | 64 | k_cosF k_sinF k_tanF s_asinhF s_atanF s_cbrtF \ |
b9e05ed0 | 65 | s_ceilF s_cosF s_erfF s_expm1F s_fabsF \ |
14348aae | 66 | s_floorF s_log1pF s_logbF \ |
e4d6a835 | 67 | s_nextafterF s_nexttowardF s_rintF s_scalblnF \ |
b9e05ed0 PM |
68 | s_significandF s_sinF s_tanF s_tanhF w_acosF w_acoshF w_asinF \ |
69 | w_atan2F w_atanhF w_coshF w_expF w_exp2F w_exp10F w_fmodF \ | |
70 | w_tgammaF w_hypotF w_j0F w_j1F w_jnF w_lgammaF w_lgammaF_r \ | |
71 | w_logF w_log10F w_powF w_remainderF w_scalbF w_sinhF w_sqrtF \ | |
2c46d114 | 72 | s_fpclassifyF s_truncF \ |
b9e05ed0 | 73 | s_remquoF e_log2F e_exp2F s_roundF s_nearbyintF s_sincosF \ |
b9e05ed0 | 74 | s_fmaF s_lrintF s_llrintF s_lroundF s_llroundF e_exp10F w_log2F \ |
c50eee19 | 75 | s_issignalingF $(calls:s_%=m_%) x2y2m1F \ |
b9e05ed0 | 76 | gamma_productF lgamma_negF lgamma_productF \ |
f8e8b8ed | 77 | s_nextupF s_totalorderF s_totalordermagF s_getpayloadF \ |
457663a7 | 78 | s_setpayloadF s_setpayloadsigF $(gen-libm-calls) |
b9e05ed0 PM |
79 | |
80 | libm-compat-calls-ldouble-yes = w_lgamma_compatl k_standardl | |
81 | libm-compat-calls = w_lgamma_compatf w_lgamma_compat k_standard k_standardf \ | |
82 | $(libm-compat-calls-ldouble-$(long-double-fcts)) | |
83 | ||
84 | ||
85 | # Type specific routine support. | |
86 | # | |
87 | # The following three variables control what is included for each type: | |
88 | # | |
89 | # type-floatN-suffix = The suffix of the type | |
90 | # type-floatN-routines = Type specific support objects | |
91 | # type-floatN-yes = If the type is supported, evaluates to floatN | |
92 | # | |
93 | # Finally, note that types is an intentionally recursive variable. | |
94 | # We only know the full set of supported types for the target machine | |
95 | # after the Rules makefile has been parsed. | |
96 | types = $(type-ldouble-$(long-double-fcts)) double float | |
97 | ||
98 | # long double support | |
99 | type-ldouble-suffix := l | |
29cb9293 | 100 | type-ldouble-routines := t_sincosl k_sincosl s_iscanonicall |
b9e05ed0 PM |
101 | type-ldouble-yes := ldouble |
102 | ||
103 | # double support | |
104 | type-double-suffix := | |
105 | type-double-routines := branred doasin dosincos halfulp mpa mpatan2 \ | |
106 | mpatan mpexp mplog mpsqrt mptan sincos32 slowexp \ | |
2bad840e | 107 | slowpow sincostab k_rem_pio2 |
b9e05ed0 PM |
108 | |
109 | # float support | |
110 | type-float-suffix := f | |
2bad840e | 111 | type-float-routines := k_rem_pio2f |
b9e05ed0 PM |
112 | |
113 | ||
114 | # Apply suffix to each type in arg 1 | |
115 | type-foreach = $(foreach t,$(types),$(subst F,$(type-$(t)-suffix),$(1))) | |
116 | ||
117 | libm-routines = $(strip $(libm-support) $(libm-compat-calls) \ | |
118 | $(call type-foreach, $(libm-calls)) \ | |
119 | $(foreach t, $(types), $(type-$(t)-routines))) \ | |
58e07151 | 120 | |
f7eac6eb RM |
121 | # These functions are in libc instead of libm because __printf_fp |
122 | # calls them, so any program using printf will need them linked in, | |
123 | # and we don't want to have to link every program with -lm. | |
92712dee RM |
124 | # In libm-calls (above), list m_foo in place of s_foo for any |
125 | # routine that should be compiled separately for its libc and libm versions. | |
b9e05ed0 | 126 | calls = s_isinfF s_isnanF s_finiteF s_copysignF s_modfF s_scalbnF s_frexpF \ |
9f9834f5 PM |
127 | s_signbitF $(gen-calls) |
128 | gen-calls = s_ldexpF | |
b9e05ed0 PM |
129 | generated += $(foreach s,.c .S,$(call type-foreach, $(calls:s_%=m_%$(s)))) |
130 | routines = $(call type-foreach, $(calls)) | |
8847214f | 131 | |
5695d46f | 132 | ifeq ($(build-mathvec),yes) |
cbd8f930 AS |
133 | # We need to install libm.so and libm.a as linker scripts |
134 | # for transparent use of vector math library. | |
135 | install-lib-ldscripts := libm.so libm.a | |
136 | install-others = $(inst_libdir)/libm.so $(inst_libdir)/libm.a | |
5695d46f AS |
137 | $(inst_libdir)/libm.so: $(common-objpfx)format.lds \ |
138 | $(libm) \ | |
139 | $(libmvec) \ | |
140 | $(+force) | |
141 | (echo '/* GNU ld script'; echo '*/';\ | |
142 | cat $<; \ | |
143 | echo 'GROUP ( $(slibdir)/libm.so$(libm.so-version) ' \ | |
b3f60407 | 144 | 'AS_NEEDED ( $(libdir)/libmvec_nonshared.a $(slibdir)/libmvec.so$(libmvec.so-version) ) )' \ |
f9378ac3 DAS |
145 | ) > $@.new |
146 | mv -f $@.new $@ | |
cbd8f930 | 147 | |
ffb8455c AS |
148 | $(inst_libdir)/libm-$(version).a: $(objpfx)libm.a \ |
149 | $(+force) | |
150 | $(do-install) | |
151 | ||
cbd8f930 | 152 | $(inst_libdir)/libm.a: $(common-objpfx)format.lds \ |
ffb8455c AS |
153 | $(inst_libdir)/libm-$(version).a \ |
154 | $(objpfx)../mathvec/libmvec.a \ | |
cbd8f930 AS |
155 | $(+force) |
156 | (echo '/* GNU ld script'; echo '*/';\ | |
157 | cat $<; \ | |
ffb8455c | 158 | echo 'GROUP ( $(libdir)/libm-$(version).a $(libdir)/libmvec.a )' \ |
cbd8f930 | 159 | ) > $@.new |
cbd8f930 | 160 | mv -f $@.new $@ |
5695d46f AS |
161 | endif |
162 | ||
c57abfa7 | 163 | # Rules for the test suite. |
9861985f | 164 | tests = test-matherr test-fenv atest-exp atest-sincos atest-exp2 basic-test \ |
95e7cf29 MR |
165 | test-misc test-fpucw test-fpucw-ieee tst-definitions test-tgmath \ |
166 | test-tgmath-ret bug-nextafter bug-nexttoward bug-tgmath1 \ | |
167 | test-tgmath-int test-tgmath2 test-powl tst-CMPLX tst-CMPLX2 test-snan \ | |
85b29045 | 168 | test-fenv-tls test-fenv-preserve test-fenv-return test-fenvinline \ |
939fdd1c | 169 | test-nearbyint-except test-fenv-clear test-signgam-finite \ |
71d1b016 | 170 | test-signgam-finite-c99 test-signgam-finite-c11 \ |
d709042a JM |
171 | test-nearbyint-except-2 test-signgam-uchar test-signgam-uchar-init \ |
172 | test-signgam-uint test-signgam-uint-init test-signgam-ullong \ | |
8f5e8b01 | 173 | test-signgam-ullong-init test-nan-overflow test-nan-payload \ |
5146356f | 174 | test-fexcept test-fexcept-traps test-fesetexcept \ |
ec94343f | 175 | test-fesetexcept-traps test-fetestexceptflag test-femode \ |
d0800ae0 | 176 | test-femode-traps test-iszero-excess-precision \ |
c2a82dac | 177 | test-iseqsig-excess-precision test-flt-eval-method \ |
c0b43536 JM |
178 | test-fp-ilogb-constants test-fp-llogb-constants \ |
179 | test-fe-snans-always-signal $(tests-static) | |
d709042a JM |
180 | tests-static = test-fpucw-static test-fpucw-ieee-static \ |
181 | test-signgam-uchar-static test-signgam-uchar-init-static \ | |
182 | test-signgam-uint-static test-signgam-uint-init-static \ | |
183 | test-signgam-ullong-static test-signgam-ullong-init-static | |
c57abfa7 | 184 | |
0800411f | 185 | ifneq (,$(CXX)) |
b3918c44 | 186 | tests += test-math-isinff test-math-iszero |
0800411f RM |
187 | endif |
188 | ||
8847214f | 189 | ifneq (no,$(PERL)) |
24a2718f | 190 | libm-vec-tests = $(addprefix test-,$(libmvec-tests)) |
b9e05ed0 PM |
191 | |
192 | libm-tests = $(foreach t,$(types),test-$(t) test-$(t)-finite test-i$(t)) \ | |
193 | $(libm-vec-tests) | |
194 | ||
8847214f UD |
195 | libm-tests.o = $(addsuffix .o,$(libm-tests)) |
196 | ||
197 | tests += $(libm-tests) | |
b4bcb3ae AS |
198 | libm-vec-test-wrappers = $(addsuffix -wrappers, $(libm-vec-tests)) |
199 | test-extras += $(libm-vec-test-wrappers) | |
200 | extra-test-objs += $(addsuffix .o, $(libm-vec-test-wrappers)) | |
58c50f06 | 201 | libm-tests-generated = libm-test-ulps.h libm-have-vector-test.h libm-test.c |
882ed1be | 202 | generated += $(libm-tests-generated) libm-test.stmp |
8847214f | 203 | |
882ed1be UD |
204 | # This is needed for dependencies |
205 | before-compile += $(objpfx)libm-test.c | |
8847214f | 206 | |
e0a3ed4f | 207 | ulps-file = $(firstword $(wildcard $(sysdirs:%=%/libm-test-ulps))) |
882ed1be UD |
208 | |
209 | $(addprefix $(objpfx), $(libm-tests-generated)): $(objpfx)libm-test.stmp | |
8847214f | 210 | |
ffb536d0 | 211 | $(objpfx)libm-test.stmp: $(ulps-file) libm-test.inc gen-libm-test.pl \ |
58c50f06 | 212 | gen-libm-have-vector-test.sh auto-libm-test-out |
882ed1be UD |
213 | $(make-target-directory) |
214 | $(PERL) gen-libm-test.pl -u $< -o "$(objpfx)" | |
58c50f06 | 215 | $(SHELL) gen-libm-have-vector-test.sh > $(objpfx)libm-have-vector-test.h |
8847214f | 216 | @echo > $@ |
8847214f UD |
217 | endif |
218 | ||
24a2718f AS |
219 | libm-test-fast-math-cflags = -fno-builtin -D__FAST_MATH__ -DTEST_FAST_MATH |
220 | libm-test-vec-cflags = $(libm-test-fast-math-cflags) -fno-inline \ | |
221 | -ffloat-store -D_OPENMP=201307 -Wno-unknown-pragmas | |
222 | ||
223 | CFLAGS-test-double-vlen2.c = $(libm-test-vec-cflags) | |
24a2718f AS |
224 | |
225 | CFLAGS-test-double-vlen4.c = $(libm-test-vec-cflags) | |
226 | CFLAGS-test-double-vlen4-wrappers.c = $(double-vlen4-arch-ext-cflags) | |
227 | ||
228 | CFLAGS-test-double-vlen8.c = $(libm-test-vec-cflags) | |
229 | CFLAGS-test-double-vlen8-wrappers.c = $(double-vlen8-arch-ext-cflags) | |
230 | ||
2a523216 | 231 | CFLAGS-test-float-vlen4.c = $(libm-test-vec-cflags) |
2a523216 AS |
232 | |
233 | CFLAGS-test-float-vlen8.c = $(libm-test-vec-cflags) | |
234 | CFLAGS-test-float-vlen8-wrappers.c = $(float-vlen8-arch-ext-cflags) | |
235 | ||
236 | CFLAGS-test-float-vlen16.c = $(libm-test-vec-cflags) | |
237 | CFLAGS-test-float-vlen16-wrappers.c = $(float-vlen16-arch-ext-cflags) | |
238 | ||
26211284 JM |
239 | # The no-inline tests use -fsignaling-nans, and thereby use the |
240 | # versions of classification macros that support sNaNs. The inline | |
241 | # function tests use the versions of classification macros that may | |
242 | # raise spurious exceptions for sNaNs, but also do not test for | |
243 | # exceptions. Thus both versions of the classification macros are | |
244 | # validated. | |
245 | libm-test-no-inline-cflags = -fno-inline -ffloat-store -fno-builtin \ | |
246 | -fsignaling-nans | |
5a28590a JM |
247 | libm-test-finite-cflags = $(libm-test-no-inline-cflags) \ |
248 | -U__FINITE_MATH_ONLY__ -D__FINITE_MATH_ONLY__=1 | |
249 | CFLAGS-test-float.c = $(libm-test-no-inline-cflags) | |
250 | CFLAGS-test-float-finite.c = $(libm-test-finite-cflags) | |
251 | CFLAGS-test-double.c = $(libm-test-no-inline-cflags) | |
252 | CFLAGS-test-double-finite.c = $(libm-test-finite-cflags) | |
253 | CFLAGS-test-ldouble.c = $(libm-test-no-inline-cflags) | |
254 | CFLAGS-test-ldouble-finite.c = $(libm-test-finite-cflags) | |
4f2689f4 | 255 | CFLAGS-test-tgmath.c = -fno-builtin |
d077f65f MT |
256 | # The following testcase uses very long lines (>3 million), so it may take a |
257 | # while to compile it. See: http://llvm.org/bugs/show_bug.cgi?id=14106 and | |
258 | # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54402 | |
8790af5f | 259 | CFLAGS-test-tgmath2.c = -fno-builtin |
301a6724 | 260 | CFLAGS-test-tgmath-ret.c = -fno-builtin |
8db73634 | 261 | CFLAGS-test-powl.c = -fno-builtin |
8df4e219 WD |
262 | |
263 | CFLAGS-test-snan.c = -fsignaling-nans | |
24a2718f AS |
264 | CPPFLAGS-test-ifloat.c = -U__LIBC_INTERNAL_MATH_INLINES \ |
265 | $(libm-test-fast-math-cflags) | |
266 | CPPFLAGS-test-idouble.c = -U__LIBC_INTERNAL_MATH_INLINES \ | |
267 | $(libm-test-fast-math-cflags) | |
b9e05ed0 | 268 | CPPFLAGS-test-ildouble.c = -U__LIBC_INTERNAL_MATH_INLINES \ |
24a2718f | 269 | $(libm-test-fast-math-cflags) |
c57abfa7 | 270 | |
939fdd1c JM |
271 | CFLAGS-test-signgam-finite.c = -ffinite-math-only |
272 | CFLAGS-test-signgam-finite-c99.c = -ffinite-math-only -std=c99 | |
273 | CFLAGS-test-signgam-finite-c11.c = -ffinite-math-only -std=c11 | |
d709042a JM |
274 | CFLAGS-test-signgam-uchar.c = -std=c99 |
275 | CFLAGS-test-signgam-uchar-init.c = -std=c99 | |
276 | CFLAGS-test-signgam-uchar-static.c = -std=c99 | |
277 | CFLAGS-test-signgam-uchar-init-static.c = -std=c99 | |
278 | CFLAGS-test-signgam-uint.c = -std=c99 | |
279 | CFLAGS-test-signgam-uint-init.c = -std=c99 | |
280 | CFLAGS-test-signgam-uint-static.c = -std=c99 | |
281 | CFLAGS-test-signgam-uint-init-static.c = -std=c99 | |
282 | CFLAGS-test-signgam-ullong.c = -std=c99 | |
283 | CFLAGS-test-signgam-ullong-init.c = -std=c99 | |
284 | CFLAGS-test-signgam-ullong-static.c = -std=c99 | |
285 | CFLAGS-test-signgam-ullong-init-static.c = -std=c99 | |
939fdd1c | 286 | |
3c47c83a | 287 | CFLAGS-test-math-isinff.cc = -std=gnu++11 |
b3918c44 | 288 | CFLAGS-test-math-iszero.cc = -std=gnu++11 |
3c47c83a | 289 | |
b59ad2db | 290 | CFLAGS-test-iszero-excess-precision.c = -fexcess-precision=standard |
d0800ae0 | 291 | CFLAGS-test-iseqsig-excess-precision.c = -fexcess-precision=standard |
b0216d3e | 292 | CFLAGS-test-flt-eval-method.c = -fexcess-precision=standard |
b59ad2db | 293 | |
c0b43536 JM |
294 | CFLAGS-test-fe-snans-always-signal.c = -fsignaling-nans |
295 | ||
26da047f RM |
296 | # The -lieee module sets the _LIB_VERSION_ switch to IEEE mode |
297 | # for error handling in the -lm functions. | |
298 | install-lib += libieee.a | |
299 | non-lib.a += libieee.a | |
300 | extra-objs += libieee.a ieee-math.o | |
301 | ||
28f540f4 RM |
302 | include ../Rules |
303 | ||
9f9834f5 PM |
304 | gen-all-calls = $(gen-libm-calls) $(gen-calls) |
305 | ||
306 | generated += $(addsuffix .c,$(call type-foreach,$(gen-all-calls))) \ | |
ce6698ea PM |
307 | gen-libm-templates.stmp |
308 | ||
309 | # Create wrappers in the math build directory. | |
9f9834f5 PM |
310 | $(objpfx)gen-libm-templates.stmp: Makefile |
311 | $(make-target-directory) | |
312 | for gcall in $(gen-all-calls); do \ | |
ce6698ea PM |
313 | func=$${gcall%F*}$${gcall#*F}; \ |
314 | for type in $(foreach t,$(types),$(t)__$(type-$(t)-suffix)); do \ | |
315 | suff=$${type#*__}; \ | |
316 | type=$${type%__*}; \ | |
317 | file=$(objpfx)$${gcall%F*}$${suff}$${gcall#*F}.c; \ | |
318 | ( \ | |
319 | echo "#include <math-type-macros-$${type}.h>"; \ | |
320 | echo "#include <$${func}_template.c>"; \ | |
321 | ) > $${file}; \ | |
322 | done; \ | |
323 | done; \ | |
324 | echo > $(@) | |
325 | ||
326 | # Add dependency to ensure the generator runs prior. | |
9f9834f5 | 327 | $(foreach t, $(call type-foreach, $(gen-all-calls)), \ |
ce6698ea PM |
328 | $(objpfx)$(t).c): $(objpfx)gen-libm-templates.stmp |
329 | ||
26510bdd | 330 | ifneq (no,$(PERL)) |
b2faf4ea | 331 | # This must come after the inclusion of sysdeps Makefiles via Rules. |
b9e05ed0 | 332 | $(addprefix $(objpfx), $(libm-tests.o)): $(objpfx)libm-test.stmp |
b2faf4ea | 333 | |
26510bdd CD |
334 | # Run the math programs to automatically generate ULPs files. |
335 | .PHONY: regen-ulps | |
336 | ||
337 | run-regen-ulps = $(test-wrapper-env) \ | |
8540f6d2 | 338 | $(run-program-env) \ |
01dc6df9 | 339 | $($*-ENV) $(rtld-prefix) $${run} |
26510bdd CD |
340 | |
341 | regen-ulps: $(addprefix $(objpfx),$(libm-tests)) | |
342 | rm -f $(objpfx)ULPs; rm -f $(objpfx)NewUlps; \ | |
343 | cp $(ulps-file) $(objpfx)libm-test-ulps; \ | |
344 | for run in $^; do \ | |
345 | echo "Regenerating ULPs for $${run}"; \ | |
346 | $(run-regen-ulps) -u -o $(objpfx); \ | |
347 | cat $(objpfx)ULPs >> $(objpfx)libm-test-ulps; \ | |
348 | rm $(objpfx)ULPs; \ | |
349 | done; \ | |
350 | $(PERL) gen-libm-test.pl -o $(objpfx) -n -u $(objpfx)libm-test-ulps; \ | |
351 | echo "Automatic regeneration of ULPs complete."; \ | |
352 | echo "Difference between the current baseline and the new baseline is:";\ | |
353 | diff -urN $(ulps-file) $(objpfx)NewUlps; \ | |
354 | echo "Copy $(objpfx)NewUlps to $(ulps-file) (relative to source)." | |
355 | else | |
356 | regen-ulps: | |
357 | @echo "Automatic regeneration of ULPs requires perl."; \ | |
358 | exit 1; | |
359 | endif | |
f7eac6eb | 360 | |
2f663a98 RM |
361 | # The generated sysd-rules file defines rules like this for sources |
362 | # coming from sysdeps/ directories. These rules find the generic sources. | |
363 | define o-iterator-doit | |
364 | $(objpfx)m_%$o: s_%.c $(before-compile); $$(compile-command.c) | |
365 | endef | |
366 | object-suffixes-left := $(all-object-suffixes) | |
367 | include $(o-iterator) | |
368 | ||
9f9834f5 PM |
369 | # Likewise, for those generated files shared with libc. |
370 | define o-iterator-doit | |
371 | $(objpfx)m_%$o: $(objpfx)s_%.c $(before-compile); $$(compile-command.c) | |
372 | endef | |
373 | object-suffixes-left := $(all-object-suffixes) | |
374 | include $(o-iterator) | |
2f663a98 | 375 | |
f7eac6eb RM |
376 | # This file defines the default _LIB_VERSION variable that controls |
377 | # the error return conventions for the math functions. | |
378 | CPPFLAGS-s_lib_version.c := -D_POSIX_MODE | |
379 | ||
a641835a RM |
380 | # We don't want the fdlibm code to use the inline math functions, |
381 | # only the fdlibm code. | |
4b9afc43 | 382 | math-CPPFLAGS += -D__NO_MATH_INLINES -D__LIBC_INTERNAL_MATH_INLINES |
a641835a | 383 | |
58e07151 RM |
384 | ifneq ($(long-double-fcts),yes) |
385 | # The `double' and `long double' types are the same on this machine. | |
386 | # We won't compile the `long double' code at all. Tell the `double' code | |
f5cb4a5c RM |
387 | # to define aliases for the `FUNCl' names. To avoid type conflicts in |
388 | # defining those aliases, tell <math.h> to declare the `FUNCl' names with | |
389 | # `double' instead of `long double'. | |
4b9afc43 | 390 | math-CPPFLAGS += -DNO_LONG_DOUBLE -D_Mlong_double_=double |
58e07151 RM |
391 | endif |
392 | ||
a6a4395d JM |
393 | # These files quiet sNaNs in a way that is optimized away without |
394 | # -fsignaling-nans. | |
395 | CFLAGS-s_modf.c += -fsignaling-nans | |
396 | CFLAGS-s_modff.c += -fsignaling-nans | |
397 | CFLAGS-s_modfl.c += -fsignaling-nans | |
398 | ||
26da047f RM |
399 | # The -lieee library is actually an object file. |
400 | # The module just defines the _LIB_VERSION_ variable. | |
401 | # It's not a library to make sure it is linked in instead of s_lib_version.o. | |
402 | $(objpfx)libieee.a: $(objpfx)ieee-math.o | |
403 | rm -f $@ | |
e7c5513d UD |
404 | $(patsubst %/,cd % &&,$(objpfx)) \ |
405 | $(LN_S) $(<F) $(@F) | |
3e5f5557 | 406 | |
b4bcb3ae AS |
407 | $(addprefix $(objpfx),\ |
408 | $(filter-out $(tests-static) $(libm-vec-tests),$(tests))): $(libm) | |
95e7cf29 | 409 | $(addprefix $(objpfx),$(tests-static)): $(objpfx)libm.a |
b4bcb3ae AS |
410 | $(addprefix $(objpfx), $(libm-vec-tests)): $(objpfx)%: $(objpfx)%-wrappers.o \ |
411 | $(libm) $(libmvec) | |
9498096c | 412 | |
2119dcfa | 413 | gmp-objs = $(patsubst %,$(common-objpfx)stdlib/%.o,\ |
6075607b | 414 | add_n sub_n cmp addmul_1 mul_1 mul_n divmod_1 \ |
32fcb36d DM |
415 | lshift rshift mp_clz_tab udiv_qrnnd inlines \ |
416 | $(gmp-sysdep_routines)) | |
6075607b UD |
417 | $(objpfx)atest-exp: $(gmp-objs) |
418 | $(objpfx)atest-sincos: $(gmp-objs) | |
419 | $(objpfx)atest-exp2: $(gmp-objs) | |
79520f4b | 420 | $(objpfx)test-fenv-tls: $(shared-thread-library) |