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d4697bc9 | 1 | # Copyright (C) 1996-2014 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 UD |
28 | bits/fenv.h bits/fenvinline.h bits/mathdef.h tgmath.h \ |
29 | bits/math-finite.h | |
f7eac6eb | 30 | |
5fbef188 | 31 | # FPU support code. |
c94a8080 | 32 | aux := setfpucw fpu_control |
28f540f4 | 33 | |
f7eac6eb | 34 | # Build the -lm library. |
28f540f4 | 35 | |
f7eac6eb | 36 | extra-libs := libm |
ec4b0518 | 37 | extra-libs-others = $(extra-libs) |
58e07151 | 38 | |
f9a73ae1 | 39 | libm-support = k_standard s_lib_version s_matherr s_signgam \ |
63551311 UD |
40 | fclrexcpt fgetexcptflg fraiseexcpt fsetexcptflg \ |
41 | ftestexcept fegetround fesetround fegetenv feholdexcpt \ | |
05ef7ce9 UD |
42 | fesetenv feupdateenv t_exp fedisblxcpt feenablxcpt \ |
43 | fegetexcept | |
58e07151 RM |
44 | libm-calls = e_acos e_acosh e_asin e_atan2 e_atanh e_cosh e_exp e_fmod \ |
45 | e_hypot e_j0 e_j1 e_jn e_lgamma_r e_log e_log10 e_pow \ | |
d705269e | 46 | e_rem_pio2 e_remainder e_scalb e_sinh e_sqrt e_gamma_r \ |
76da7265 | 47 | e_ilogb \ |
d705269e | 48 | k_cos k_rem_pio2 k_sin k_tan s_asinh s_atan s_cbrt \ |
502328b2 | 49 | s_ceil s_cos s_erf s_expm1 s_fabs \ |
76da7265 | 50 | s_floor s_log1p s_logb \ |
502328b2 | 51 | s_nextafter s_nexttoward s_rint s_scalbln \ |
dfd2257a | 52 | s_significand s_sin s_tan s_tanh w_acos w_acosh w_asin \ |
4bbac92a | 53 | w_atan2 w_atanh w_cosh w_drem w_exp w_exp2 w_exp10 w_fmod \ |
e852e889 | 54 | w_tgamma w_hypot w_j0 w_j1 w_jn w_lgamma w_lgamma_r \ |
377a515b | 55 | w_log w_log10 w_pow w_remainder w_scalb w_sinh w_sqrt \ |
76da7265 | 56 | w_ilogb \ |
502328b2 | 57 | s_fpclassify s_fmax s_fmin s_fdim s_nan s_trunc \ |
601d2942 | 58 | s_remquo e_log2 e_exp2 s_round s_nearbyint s_sincos \ |
63551311 UD |
59 | conj cimag creal cabs carg s_cexp s_csinh s_ccosh s_clog \ |
60 | s_catan s_casin s_ccos s_csin s_ctan s_ctanh s_cacos \ | |
dfd2257a | 61 | s_casinh s_cacosh s_catanh s_csqrt s_cpow s_cproj s_clog10 \ |
76f2646f | 62 | s_fma s_lrint s_llrint s_lround s_llround e_exp10 w_log2 \ |
d8cd06db JM |
63 | s_isinf_ns s_issignaling $(calls:s_%=m_%) x2y2m1 k_casinh \ |
64 | gamma_product | |
dddf0ed0 | 65 | |
e4d82761 UD |
66 | dbl-only-routines := branred doasin dosincos halfulp mpa mpatan2 \ |
67 | mpatan mpexp mplog mpsqrt mptan sincos32 slowexp \ | |
af968f62 | 68 | slowpow sincostab |
9d1efe33 UD |
69 | libm-routines = $(strip $(libm-support) $(libm-calls) \ |
70 | $(patsubst %_rf,%f_r,$(libm-calls:=f)) \ | |
e4d82761 UD |
71 | $(long-m-$(long-double-fcts))) \ |
72 | $(dbl-only-routines) | |
cccda09f | 73 | long-m-routines = $(patsubst %_rl,%l_r,$(libm-calls:=l)) |
3fe4dc41 UD |
74 | long-m-support = t_sincosl k_sincosl |
75 | long-m-yes = $(long-m-routines) $(long-m-support) | |
58e07151 | 76 | |
f7eac6eb RM |
77 | # These functions are in libc instead of libm because __printf_fp |
78 | # calls them, so any program using printf will need them linked in, | |
79 | # and we don't want to have to link every program with -lm. | |
92712dee RM |
80 | # In libm-calls (above), list m_foo in place of s_foo for any |
81 | # routine that should be compiled separately for its libc and libm versions. | |
1f205a47 UD |
82 | calls = s_isinf s_isnan s_finite s_copysign s_modf s_scalbn s_frexp s_ldexp \ |
83 | s_signbit | |
dddf0ed0 | 84 | generated += $(foreach s,.c .S l.c l.S f.c f.S,$(calls:s_%=m_%$s)) |
e6c9a67a | 85 | routines = $(calls) $(calls:=f) $(long-c-$(long-double-fcts)) |
58e07151 | 86 | long-c-yes = $(calls:=l) |
8847214f | 87 | |
c57abfa7 | 88 | # Rules for the test suite. |
9861985f | 89 | tests = test-matherr test-fenv atest-exp atest-sincos atest-exp2 basic-test \ |
95e7cf29 MR |
90 | test-misc test-fpucw test-fpucw-ieee tst-definitions test-tgmath \ |
91 | test-tgmath-ret bug-nextafter bug-nexttoward bug-tgmath1 \ | |
92 | test-tgmath-int test-tgmath2 test-powl tst-CMPLX tst-CMPLX2 test-snan \ | |
73c1ce4f | 93 | test-fenv-tls $(tests-static) |
95e7cf29 | 94 | tests-static = test-fpucw-static test-fpucw-ieee-static |
c57abfa7 | 95 | # We do the `long double' tests only if this data type is available and |
af6f3906 | 96 | # distinct from `double'. |
40a55d20 | 97 | test-longdouble-yes = test-ldouble test-ildoubl |
c57abfa7 | 98 | |
8847214f UD |
99 | ifneq (no,$(PERL)) |
100 | libm-tests = test-float test-double $(test-longdouble-$(long-double-fcts)) \ | |
101 | test-ifloat test-idouble | |
102 | libm-tests.o = $(addsuffix .o,$(libm-tests)) | |
103 | ||
104 | tests += $(libm-tests) | |
882ed1be UD |
105 | libm-tests-generated = libm-test-ulps.h libm-test.c |
106 | generated += $(libm-tests-generated) libm-test.stmp | |
8847214f | 107 | |
882ed1be UD |
108 | # This is needed for dependencies |
109 | before-compile += $(objpfx)libm-test.c | |
8847214f | 110 | |
e0a3ed4f | 111 | ulps-file = $(firstword $(wildcard $(sysdirs:%=%/libm-test-ulps))) |
882ed1be UD |
112 | |
113 | $(addprefix $(objpfx), $(libm-tests-generated)): $(objpfx)libm-test.stmp | |
8847214f | 114 | |
ffb536d0 JM |
115 | $(objpfx)libm-test.stmp: $(ulps-file) libm-test.inc gen-libm-test.pl \ |
116 | auto-libm-test-out | |
882ed1be UD |
117 | $(make-target-directory) |
118 | $(PERL) gen-libm-test.pl -u $< -o "$(objpfx)" | |
8847214f UD |
119 | @echo > $@ |
120 | ||
121 | $(objpfx)test-float.o: $(objpfx)libm-test.stmp | |
122 | $(objpfx)test-ifloat.o: $(objpfx)libm-test.stmp | |
123 | $(objpfx)test-double.o: $(objpfx)libm-test.stmp | |
124 | $(objpfx)test-idouble.o: $(objpfx)libm-test.stmp | |
125 | $(objpfx)test-ldouble.o: $(objpfx)libm-test.stmp | |
126 | $(objpfx)test-ildoubl.o: $(objpfx)libm-test.stmp | |
127 | endif | |
128 | ||
0be196ad AJ |
129 | CFLAGS-test-float.c = -fno-inline -ffloat-store -fno-builtin -frounding-math |
130 | CFLAGS-test-double.c = -fno-inline -ffloat-store -fno-builtin -frounding-math | |
131 | CFLAGS-test-ldouble.c = -fno-inline -ffloat-store -fno-builtin -frounding-math | |
4f2689f4 | 132 | CFLAGS-test-tgmath.c = -fno-builtin |
d077f65f MT |
133 | # The following testcase uses very long lines (>3 million), so it may take a |
134 | # while to compile it. See: http://llvm.org/bugs/show_bug.cgi?id=14106 and | |
135 | # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54402 | |
8790af5f | 136 | CFLAGS-test-tgmath2.c = -fno-builtin |
301a6724 | 137 | CFLAGS-test-tgmath-ret.c = -fno-builtin |
8db73634 | 138 | CFLAGS-test-powl.c = -fno-builtin |
0be196ad AJ |
139 | CFLAGS-test-test-fenv.c = -frounding-math |
140 | CFLAGS-test-misc.c = -frounding-math | |
d747a0a5 | 141 | CPPFLAGS-test-ifloat.c = -U__LIBC_INTERNAL_MATH_INLINES -D__FAST_MATH__ \ |
0be196ad | 142 | -DTEST_FAST_MATH -fno-builtin -frounding-math |
d747a0a5 | 143 | CPPFLAGS-test-idouble.c = -U__LIBC_INTERNAL_MATH_INLINES -D__FAST_MATH__ \ |
0be196ad | 144 | -DTEST_FAST_MATH -fno-builtin -frounding-math |
d747a0a5 | 145 | CPPFLAGS-test-ildoubl.c = -U__LIBC_INTERNAL_MATH_INLINES -D__FAST_MATH__ \ |
0be196ad | 146 | -DTEST_FAST_MATH -fno-builtin -frounding-math |
c57abfa7 | 147 | |
28f540f4 | 148 | |
26da047f RM |
149 | # The -lieee module sets the _LIB_VERSION_ switch to IEEE mode |
150 | # for error handling in the -lm functions. | |
151 | install-lib += libieee.a | |
152 | non-lib.a += libieee.a | |
153 | extra-objs += libieee.a ieee-math.o | |
154 | ||
28f540f4 RM |
155 | include ../Rules |
156 | ||
26510bdd CD |
157 | ifneq (no,$(PERL)) |
158 | # Run the math programs to automatically generate ULPs files. | |
159 | .PHONY: regen-ulps | |
160 | ||
161 | run-regen-ulps = $(test-wrapper-env) \ | |
162 | GCONV_PATH=$(common-objpfx)iconvdata LC_ALL=C \ | |
01dc6df9 | 163 | $($*-ENV) $(rtld-prefix) $${run} |
26510bdd CD |
164 | |
165 | regen-ulps: $(addprefix $(objpfx),$(libm-tests)) | |
166 | rm -f $(objpfx)ULPs; rm -f $(objpfx)NewUlps; \ | |
167 | cp $(ulps-file) $(objpfx)libm-test-ulps; \ | |
168 | for run in $^; do \ | |
169 | echo "Regenerating ULPs for $${run}"; \ | |
170 | $(run-regen-ulps) -u -o $(objpfx); \ | |
171 | cat $(objpfx)ULPs >> $(objpfx)libm-test-ulps; \ | |
172 | rm $(objpfx)ULPs; \ | |
173 | done; \ | |
174 | $(PERL) gen-libm-test.pl -o $(objpfx) -n -u $(objpfx)libm-test-ulps; \ | |
175 | echo "Automatic regeneration of ULPs complete."; \ | |
176 | echo "Difference between the current baseline and the new baseline is:";\ | |
177 | diff -urN $(ulps-file) $(objpfx)NewUlps; \ | |
178 | echo "Copy $(objpfx)NewUlps to $(ulps-file) (relative to source)." | |
179 | else | |
180 | regen-ulps: | |
181 | @echo "Automatic regeneration of ULPs requires perl."; \ | |
182 | exit 1; | |
183 | endif | |
f7eac6eb | 184 | |
2f663a98 RM |
185 | # The generated sysd-rules file defines rules like this for sources |
186 | # coming from sysdeps/ directories. These rules find the generic sources. | |
187 | define o-iterator-doit | |
188 | $(objpfx)m_%$o: s_%.c $(before-compile); $$(compile-command.c) | |
189 | endef | |
190 | object-suffixes-left := $(all-object-suffixes) | |
191 | include $(o-iterator) | |
192 | ||
193 | ||
f7eac6eb RM |
194 | # This file defines the default _LIB_VERSION variable that controls |
195 | # the error return conventions for the math functions. | |
196 | CPPFLAGS-s_lib_version.c := -D_POSIX_MODE | |
197 | ||
a641835a RM |
198 | # We don't want the fdlibm code to use the inline math functions, |
199 | # only the fdlibm code. | |
4b9afc43 | 200 | math-CPPFLAGS += -D__NO_MATH_INLINES -D__LIBC_INTERNAL_MATH_INLINES |
a641835a | 201 | |
58e07151 RM |
202 | ifneq ($(long-double-fcts),yes) |
203 | # The `double' and `long double' types are the same on this machine. | |
204 | # We won't compile the `long double' code at all. Tell the `double' code | |
f5cb4a5c RM |
205 | # to define aliases for the `FUNCl' names. To avoid type conflicts in |
206 | # defining those aliases, tell <math.h> to declare the `FUNCl' names with | |
207 | # `double' instead of `long double'. | |
4b9afc43 | 208 | math-CPPFLAGS += -DNO_LONG_DOUBLE -D_Mlong_double_=double |
58e07151 RM |
209 | endif |
210 | ||
f7eac6eb | 211 | # The fdlibm code generates a lot of these warnings but is otherwise clean. |
0ed99ce4 | 212 | override CFLAGS += -Wno-uninitialized |
26da047f RM |
213 | |
214 | # The -lieee library is actually an object file. | |
215 | # The module just defines the _LIB_VERSION_ variable. | |
216 | # It's not a library to make sure it is linked in instead of s_lib_version.o. | |
217 | $(objpfx)libieee.a: $(objpfx)ieee-math.o | |
218 | rm -f $@ | |
e7c5513d UD |
219 | $(patsubst %/,cd % &&,$(objpfx)) \ |
220 | $(LN_S) $(<F) $(@F) | |
3e5f5557 UD |
221 | |
222 | ifeq ($(build-shared),yes) | |
95e7cf29 MR |
223 | $(addprefix $(objpfx),$(filter-out $(tests-static),$(tests))): $(objpfx)libm.so$(libm.so-version) |
224 | $(addprefix $(objpfx),$(tests-static)): $(objpfx)libm.a | |
3e5f5557 UD |
225 | else |
226 | $(addprefix $(objpfx),$(tests)): $(objpfx)libm.a | |
227 | endif | |
9498096c | 228 | |
2119dcfa | 229 | gmp-objs = $(patsubst %,$(common-objpfx)stdlib/%.o,\ |
6075607b | 230 | add_n sub_n cmp addmul_1 mul_1 mul_n divmod_1 \ |
32fcb36d DM |
231 | lshift rshift mp_clz_tab udiv_qrnnd inlines \ |
232 | $(gmp-sysdep_routines)) | |
6075607b UD |
233 | $(objpfx)atest-exp: $(gmp-objs) |
234 | $(objpfx)atest-sincos: $(gmp-objs) | |
235 | $(objpfx)atest-exp2: $(gmp-objs) | |
73c1ce4f | 236 | $(objpfx)test-fenv-tls: $(common-objpfx)nptl/libpthread.so |