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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 AS |
29 | bits/math-finite.h bits/math-vector.h \ |
30 | bits/libm-simd-decl-stubs.h | |
f7eac6eb | 31 | |
5fbef188 | 32 | # FPU support code. |
c94a8080 | 33 | aux := setfpucw fpu_control |
28f540f4 | 34 | |
f7eac6eb | 35 | # Build the -lm library. |
28f540f4 | 36 | |
f7eac6eb | 37 | extra-libs := libm |
ec4b0518 | 38 | extra-libs-others = $(extra-libs) |
58e07151 | 39 | |
f56f9124 | 40 | libm-support = s_lib_version s_matherr s_signgam \ |
63551311 UD |
41 | fclrexcpt fgetexcptflg fraiseexcpt fsetexcptflg \ |
42 | ftestexcept fegetround fesetround fegetenv feholdexcpt \ | |
05ef7ce9 UD |
43 | fesetenv feupdateenv t_exp fedisblxcpt feenablxcpt \ |
44 | fegetexcept | |
58e07151 RM |
45 | libm-calls = e_acos e_acosh e_asin e_atan2 e_atanh e_cosh e_exp e_fmod \ |
46 | e_hypot e_j0 e_j1 e_jn e_lgamma_r e_log e_log10 e_pow \ | |
d705269e | 47 | e_rem_pio2 e_remainder e_scalb e_sinh e_sqrt e_gamma_r \ |
76da7265 | 48 | e_ilogb \ |
d705269e | 49 | k_cos k_rem_pio2 k_sin k_tan s_asinh s_atan s_cbrt \ |
502328b2 | 50 | s_ceil s_cos s_erf s_expm1 s_fabs \ |
de8aadd5 | 51 | s_floor s_log1p w_log1p s_logb \ |
3ef6b850 | 52 | s_nextafter s_nexttoward s_rint s_scalbln w_scalbln \ |
dfd2257a | 53 | s_significand s_sin s_tan s_tanh w_acos w_acosh w_asin \ |
5ce8f125 | 54 | w_atan2 w_atanh w_cosh w_exp w_exp2 w_exp10 w_fmod \ |
e852e889 | 55 | w_tgamma w_hypot w_j0 w_j1 w_jn w_lgamma w_lgamma_r \ |
377a515b | 56 | w_log w_log10 w_pow w_remainder w_scalb w_sinh w_sqrt \ |
76da7265 | 57 | w_ilogb \ |
502328b2 | 58 | s_fpclassify s_fmax s_fmin s_fdim s_nan s_trunc \ |
601d2942 | 59 | s_remquo e_log2 e_exp2 s_round s_nearbyint s_sincos \ |
63551311 UD |
60 | conj cimag creal cabs carg s_cexp s_csinh s_ccosh s_clog \ |
61 | s_catan s_casin s_ccos s_csin s_ctan s_ctanh s_cacos \ | |
dfd2257a | 62 | s_casinh s_cacosh s_catanh s_csqrt s_cpow s_cproj s_clog10 \ |
76f2646f | 63 | s_fma s_lrint s_llrint s_lround s_llround e_exp10 w_log2 \ |
fe8c2b33 | 64 | s_issignaling $(calls:s_%=m_%) x2y2m1 k_casinh \ |
d709042a JM |
65 | gamma_product k_standard lgamma_neg lgamma_product \ |
66 | w_lgamma_compat | |
dddf0ed0 | 67 | |
e4d82761 UD |
68 | dbl-only-routines := branred doasin dosincos halfulp mpa mpatan2 \ |
69 | mpatan mpexp mplog mpsqrt mptan sincos32 slowexp \ | |
af968f62 | 70 | slowpow sincostab |
9d1efe33 UD |
71 | libm-routines = $(strip $(libm-support) $(libm-calls) \ |
72 | $(patsubst %_rf,%f_r,$(libm-calls:=f)) \ | |
e4d82761 UD |
73 | $(long-m-$(long-double-fcts))) \ |
74 | $(dbl-only-routines) | |
cccda09f | 75 | long-m-routines = $(patsubst %_rl,%l_r,$(libm-calls:=l)) |
3fe4dc41 UD |
76 | long-m-support = t_sincosl k_sincosl |
77 | long-m-yes = $(long-m-routines) $(long-m-support) | |
58e07151 | 78 | |
f7eac6eb RM |
79 | # These functions are in libc instead of libm because __printf_fp |
80 | # calls them, so any program using printf will need them linked in, | |
81 | # and we don't want to have to link every program with -lm. | |
92712dee RM |
82 | # In libm-calls (above), list m_foo in place of s_foo for any |
83 | # routine that should be compiled separately for its libc and libm versions. | |
1f205a47 UD |
84 | calls = s_isinf s_isnan s_finite s_copysign s_modf s_scalbn s_frexp s_ldexp \ |
85 | s_signbit | |
dddf0ed0 | 86 | generated += $(foreach s,.c .S l.c l.S f.c f.S,$(calls:s_%=m_%$s)) |
e6c9a67a | 87 | routines = $(calls) $(calls:=f) $(long-c-$(long-double-fcts)) |
58e07151 | 88 | long-c-yes = $(calls:=l) |
8847214f | 89 | |
5695d46f AS |
90 | ifeq ($(build-mathvec),yes) |
91 | # We need to install libm.so as linker script | |
92 | # for more comfortable use of vector math library. | |
93 | install-lib-ldscripts := libm.so | |
94 | install_subdir: $(inst_libdir)/libm.so | |
95 | $(inst_libdir)/libm.so: $(common-objpfx)format.lds \ | |
96 | $(libm) \ | |
97 | $(libmvec) \ | |
98 | $(+force) | |
99 | (echo '/* GNU ld script'; echo '*/';\ | |
100 | cat $<; \ | |
101 | echo 'GROUP ( $(slibdir)/libm.so$(libm.so-version) ' \ | |
b3f60407 | 102 | 'AS_NEEDED ( $(libdir)/libmvec_nonshared.a $(slibdir)/libmvec.so$(libmvec.so-version) ) )' \ |
5695d46f AS |
103 | ) > $@ |
104 | endif | |
105 | ||
c57abfa7 | 106 | # Rules for the test suite. |
9861985f | 107 | tests = test-matherr test-fenv atest-exp atest-sincos atest-exp2 basic-test \ |
95e7cf29 MR |
108 | test-misc test-fpucw test-fpucw-ieee tst-definitions test-tgmath \ |
109 | test-tgmath-ret bug-nextafter bug-nexttoward bug-tgmath1 \ | |
110 | test-tgmath-int test-tgmath2 test-powl tst-CMPLX tst-CMPLX2 test-snan \ | |
85b29045 | 111 | test-fenv-tls test-fenv-preserve test-fenv-return test-fenvinline \ |
939fdd1c | 112 | test-nearbyint-except test-fenv-clear test-signgam-finite \ |
71d1b016 | 113 | test-signgam-finite-c99 test-signgam-finite-c11 \ |
d709042a JM |
114 | test-nearbyint-except-2 test-signgam-uchar test-signgam-uchar-init \ |
115 | test-signgam-uint test-signgam-uint-init test-signgam-ullong \ | |
8f5e8b01 JM |
116 | test-signgam-ullong-init test-nan-overflow test-nan-payload \ |
117 | $(tests-static) | |
d709042a JM |
118 | tests-static = test-fpucw-static test-fpucw-ieee-static \ |
119 | test-signgam-uchar-static test-signgam-uchar-init-static \ | |
120 | test-signgam-uint-static test-signgam-uint-init-static \ | |
121 | test-signgam-ullong-static test-signgam-ullong-init-static | |
c57abfa7 | 122 | # We do the `long double' tests only if this data type is available and |
af6f3906 | 123 | # distinct from `double'. |
5a28590a | 124 | test-longdouble-yes = test-ldouble test-ildoubl test-ldouble-finite |
c57abfa7 | 125 | |
8847214f | 126 | ifneq (no,$(PERL)) |
24a2718f | 127 | libm-vec-tests = $(addprefix test-,$(libmvec-tests)) |
8847214f | 128 | libm-tests = test-float test-double $(test-longdouble-$(long-double-fcts)) \ |
5a28590a JM |
129 | test-ifloat test-idouble test-float-finite test-double-finite \ |
130 | $(libm-vec-tests) | |
8847214f UD |
131 | libm-tests.o = $(addsuffix .o,$(libm-tests)) |
132 | ||
133 | tests += $(libm-tests) | |
58c50f06 | 134 | libm-tests-generated = libm-test-ulps.h libm-have-vector-test.h libm-test.c |
882ed1be | 135 | generated += $(libm-tests-generated) libm-test.stmp |
8847214f | 136 | |
882ed1be UD |
137 | # This is needed for dependencies |
138 | before-compile += $(objpfx)libm-test.c | |
8847214f | 139 | |
e0a3ed4f | 140 | ulps-file = $(firstword $(wildcard $(sysdirs:%=%/libm-test-ulps))) |
882ed1be UD |
141 | |
142 | $(addprefix $(objpfx), $(libm-tests-generated)): $(objpfx)libm-test.stmp | |
8847214f | 143 | |
ffb536d0 | 144 | $(objpfx)libm-test.stmp: $(ulps-file) libm-test.inc gen-libm-test.pl \ |
58c50f06 | 145 | gen-libm-have-vector-test.sh auto-libm-test-out |
882ed1be UD |
146 | $(make-target-directory) |
147 | $(PERL) gen-libm-test.pl -u $< -o "$(objpfx)" | |
58c50f06 | 148 | $(SHELL) gen-libm-have-vector-test.sh > $(objpfx)libm-have-vector-test.h |
8847214f UD |
149 | @echo > $@ |
150 | ||
151 | $(objpfx)test-float.o: $(objpfx)libm-test.stmp | |
152 | $(objpfx)test-ifloat.o: $(objpfx)libm-test.stmp | |
5a28590a | 153 | $(objpfx)test-float-finite.o: $(objpfx)libm-test.stmp |
8847214f UD |
154 | $(objpfx)test-double.o: $(objpfx)libm-test.stmp |
155 | $(objpfx)test-idouble.o: $(objpfx)libm-test.stmp | |
5a28590a | 156 | $(objpfx)test-double-finite.o: $(objpfx)libm-test.stmp |
8847214f UD |
157 | $(objpfx)test-ldouble.o: $(objpfx)libm-test.stmp |
158 | $(objpfx)test-ildoubl.o: $(objpfx)libm-test.stmp | |
5a28590a | 159 | $(objpfx)test-ldouble-finite.o: $(objpfx)libm-test.stmp |
8847214f UD |
160 | endif |
161 | ||
24a2718f AS |
162 | libm-test-fast-math-cflags = -fno-builtin -D__FAST_MATH__ -DTEST_FAST_MATH |
163 | libm-test-vec-cflags = $(libm-test-fast-math-cflags) -fno-inline \ | |
164 | -ffloat-store -D_OPENMP=201307 -Wno-unknown-pragmas | |
165 | ||
166 | CFLAGS-test-double-vlen2.c = $(libm-test-vec-cflags) | |
24a2718f AS |
167 | |
168 | CFLAGS-test-double-vlen4.c = $(libm-test-vec-cflags) | |
169 | CFLAGS-test-double-vlen4-wrappers.c = $(double-vlen4-arch-ext-cflags) | |
170 | ||
171 | CFLAGS-test-double-vlen8.c = $(libm-test-vec-cflags) | |
172 | CFLAGS-test-double-vlen8-wrappers.c = $(double-vlen8-arch-ext-cflags) | |
173 | ||
2a523216 | 174 | CFLAGS-test-float-vlen4.c = $(libm-test-vec-cflags) |
2a523216 AS |
175 | |
176 | CFLAGS-test-float-vlen8.c = $(libm-test-vec-cflags) | |
177 | CFLAGS-test-float-vlen8-wrappers.c = $(float-vlen8-arch-ext-cflags) | |
178 | ||
179 | CFLAGS-test-float-vlen16.c = $(libm-test-vec-cflags) | |
180 | CFLAGS-test-float-vlen16-wrappers.c = $(float-vlen16-arch-ext-cflags) | |
181 | ||
5a28590a JM |
182 | libm-test-no-inline-cflags = -fno-inline -ffloat-store -fno-builtin |
183 | libm-test-finite-cflags = $(libm-test-no-inline-cflags) \ | |
184 | -U__FINITE_MATH_ONLY__ -D__FINITE_MATH_ONLY__=1 | |
185 | CFLAGS-test-float.c = $(libm-test-no-inline-cflags) | |
186 | CFLAGS-test-float-finite.c = $(libm-test-finite-cflags) | |
187 | CFLAGS-test-double.c = $(libm-test-no-inline-cflags) | |
188 | CFLAGS-test-double-finite.c = $(libm-test-finite-cflags) | |
189 | CFLAGS-test-ldouble.c = $(libm-test-no-inline-cflags) | |
190 | CFLAGS-test-ldouble-finite.c = $(libm-test-finite-cflags) | |
4f2689f4 | 191 | CFLAGS-test-tgmath.c = -fno-builtin |
d077f65f MT |
192 | # The following testcase uses very long lines (>3 million), so it may take a |
193 | # while to compile it. See: http://llvm.org/bugs/show_bug.cgi?id=14106 and | |
194 | # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54402 | |
8790af5f | 195 | CFLAGS-test-tgmath2.c = -fno-builtin |
301a6724 | 196 | CFLAGS-test-tgmath-ret.c = -fno-builtin |
8db73634 | 197 | CFLAGS-test-powl.c = -fno-builtin |
8df4e219 WD |
198 | |
199 | CFLAGS-test-snan.c = -fsignaling-nans | |
24a2718f AS |
200 | CPPFLAGS-test-ifloat.c = -U__LIBC_INTERNAL_MATH_INLINES \ |
201 | $(libm-test-fast-math-cflags) | |
202 | CPPFLAGS-test-idouble.c = -U__LIBC_INTERNAL_MATH_INLINES \ | |
203 | $(libm-test-fast-math-cflags) | |
204 | CPPFLAGS-test-ildoubl.c = -U__LIBC_INTERNAL_MATH_INLINES \ | |
205 | $(libm-test-fast-math-cflags) | |
c57abfa7 | 206 | |
939fdd1c JM |
207 | CFLAGS-test-signgam-finite.c = -ffinite-math-only |
208 | CFLAGS-test-signgam-finite-c99.c = -ffinite-math-only -std=c99 | |
209 | CFLAGS-test-signgam-finite-c11.c = -ffinite-math-only -std=c11 | |
d709042a JM |
210 | CFLAGS-test-signgam-uchar.c = -std=c99 |
211 | CFLAGS-test-signgam-uchar-init.c = -std=c99 | |
212 | CFLAGS-test-signgam-uchar-static.c = -std=c99 | |
213 | CFLAGS-test-signgam-uchar-init-static.c = -std=c99 | |
214 | CFLAGS-test-signgam-uint.c = -std=c99 | |
215 | CFLAGS-test-signgam-uint-init.c = -std=c99 | |
216 | CFLAGS-test-signgam-uint-static.c = -std=c99 | |
217 | CFLAGS-test-signgam-uint-init-static.c = -std=c99 | |
218 | CFLAGS-test-signgam-ullong.c = -std=c99 | |
219 | CFLAGS-test-signgam-ullong-init.c = -std=c99 | |
220 | CFLAGS-test-signgam-ullong-static.c = -std=c99 | |
221 | CFLAGS-test-signgam-ullong-init-static.c = -std=c99 | |
939fdd1c | 222 | |
26da047f RM |
223 | # The -lieee module sets the _LIB_VERSION_ switch to IEEE mode |
224 | # for error handling in the -lm functions. | |
225 | install-lib += libieee.a | |
226 | non-lib.a += libieee.a | |
227 | extra-objs += libieee.a ieee-math.o | |
228 | ||
28f540f4 RM |
229 | include ../Rules |
230 | ||
26510bdd | 231 | ifneq (no,$(PERL)) |
b2faf4ea JM |
232 | # This must come after the inclusion of sysdeps Makefiles via Rules. |
233 | $(addprefix $(objpfx), $(addsuffix .o, $(libm-vec-tests))): $(objpfx)libm-test.stmp | |
234 | ||
26510bdd CD |
235 | # Run the math programs to automatically generate ULPs files. |
236 | .PHONY: regen-ulps | |
237 | ||
238 | run-regen-ulps = $(test-wrapper-env) \ | |
8540f6d2 | 239 | $(run-program-env) \ |
01dc6df9 | 240 | $($*-ENV) $(rtld-prefix) $${run} |
26510bdd CD |
241 | |
242 | regen-ulps: $(addprefix $(objpfx),$(libm-tests)) | |
243 | rm -f $(objpfx)ULPs; rm -f $(objpfx)NewUlps; \ | |
244 | cp $(ulps-file) $(objpfx)libm-test-ulps; \ | |
245 | for run in $^; do \ | |
246 | echo "Regenerating ULPs for $${run}"; \ | |
247 | $(run-regen-ulps) -u -o $(objpfx); \ | |
248 | cat $(objpfx)ULPs >> $(objpfx)libm-test-ulps; \ | |
249 | rm $(objpfx)ULPs; \ | |
250 | done; \ | |
251 | $(PERL) gen-libm-test.pl -o $(objpfx) -n -u $(objpfx)libm-test-ulps; \ | |
252 | echo "Automatic regeneration of ULPs complete."; \ | |
253 | echo "Difference between the current baseline and the new baseline is:";\ | |
254 | diff -urN $(ulps-file) $(objpfx)NewUlps; \ | |
255 | echo "Copy $(objpfx)NewUlps to $(ulps-file) (relative to source)." | |
256 | else | |
257 | regen-ulps: | |
258 | @echo "Automatic regeneration of ULPs requires perl."; \ | |
259 | exit 1; | |
260 | endif | |
f7eac6eb | 261 | |
2f663a98 RM |
262 | # The generated sysd-rules file defines rules like this for sources |
263 | # coming from sysdeps/ directories. These rules find the generic sources. | |
264 | define o-iterator-doit | |
265 | $(objpfx)m_%$o: s_%.c $(before-compile); $$(compile-command.c) | |
266 | endef | |
267 | object-suffixes-left := $(all-object-suffixes) | |
268 | include $(o-iterator) | |
269 | ||
270 | ||
f7eac6eb RM |
271 | # This file defines the default _LIB_VERSION variable that controls |
272 | # the error return conventions for the math functions. | |
273 | CPPFLAGS-s_lib_version.c := -D_POSIX_MODE | |
274 | ||
a641835a RM |
275 | # We don't want the fdlibm code to use the inline math functions, |
276 | # only the fdlibm code. | |
4b9afc43 | 277 | math-CPPFLAGS += -D__NO_MATH_INLINES -D__LIBC_INTERNAL_MATH_INLINES |
a641835a | 278 | |
58e07151 RM |
279 | ifneq ($(long-double-fcts),yes) |
280 | # The `double' and `long double' types are the same on this machine. | |
281 | # We won't compile the `long double' code at all. Tell the `double' code | |
f5cb4a5c RM |
282 | # to define aliases for the `FUNCl' names. To avoid type conflicts in |
283 | # defining those aliases, tell <math.h> to declare the `FUNCl' names with | |
284 | # `double' instead of `long double'. | |
4b9afc43 | 285 | math-CPPFLAGS += -DNO_LONG_DOUBLE -D_Mlong_double_=double |
58e07151 RM |
286 | endif |
287 | ||
26da047f RM |
288 | # The -lieee library is actually an object file. |
289 | # The module just defines the _LIB_VERSION_ variable. | |
290 | # It's not a library to make sure it is linked in instead of s_lib_version.o. | |
291 | $(objpfx)libieee.a: $(objpfx)ieee-math.o | |
292 | rm -f $@ | |
e7c5513d UD |
293 | $(patsubst %/,cd % &&,$(objpfx)) \ |
294 | $(LN_S) $(<F) $(@F) | |
3e5f5557 | 295 | |
24a2718f | 296 | $(addprefix $(objpfx),$(filter-out $(tests-static) $(libm-vec-tests),$(tests))): $(libm) |
95e7cf29 | 297 | $(addprefix $(objpfx),$(tests-static)): $(objpfx)libm.a |
24a2718f | 298 | $(addprefix $(objpfx), $(libm-vec-tests)): $(objpfx)%: $(libm) $(libmvec) \ |
1dfa4a94 | 299 | $(objpfx)%-wrappers.o |
9498096c | 300 | |
2119dcfa | 301 | gmp-objs = $(patsubst %,$(common-objpfx)stdlib/%.o,\ |
6075607b | 302 | add_n sub_n cmp addmul_1 mul_1 mul_n divmod_1 \ |
32fcb36d DM |
303 | lshift rshift mp_clz_tab udiv_qrnnd inlines \ |
304 | $(gmp-sysdep_routines)) | |
6075607b UD |
305 | $(objpfx)atest-exp: $(gmp-objs) |
306 | $(objpfx)atest-sincos: $(gmp-objs) | |
307 | $(objpfx)atest-exp2: $(gmp-objs) | |
79520f4b | 308 | $(objpfx)test-fenv-tls: $(shared-thread-library) |