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0ecb606c JJ |
1 | # Copyright (C) 1996-2001,2002,2003,2004,2005,2006 |
2 | # Free Software Foundation, Inc. | |
28f540f4 RM |
3 | # This file is part of the GNU C Library. |
4 | ||
5 | # The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
6 | # modify it under the terms of the GNU Lesser General Public |
7 | # License as published by the Free Software Foundation; either | |
8 | # version 2.1 of the License, or (at your option) any later version. | |
28f540f4 RM |
9 | |
10 | # The GNU C Library is distributed in the hope that it will be useful, | |
11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | # Lesser General Public License for more details. |
28f540f4 | 14 | |
41bdb6e2 AJ |
15 | # You should have received a copy of the GNU Lesser General Public |
16 | # License along with the GNU C Library; if not, write to the Free | |
17 | # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | # 02111-1307 USA. | |
0c5ecdc4 UD |
19 | |
20 | # Makefile for the math library. | |
28f540f4 | 21 | |
f7eac6eb RM |
22 | subdir := math |
23 | ||
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 \ | |
28 | bits/fenv.h bits/fenvinline.h bits/mathdef.h tgmath.h | |
f7eac6eb RM |
29 | |
30 | # Internal header files. | |
b3ed8219 | 31 | distribute := math_ldbl.h math_private.h machine/asm.h |
28f540f4 | 32 | |
5fbef188 | 33 | # FPU support code. |
c94a8080 | 34 | aux := setfpucw fpu_control |
28f540f4 | 35 | |
f7eac6eb | 36 | # Build the -lm library. |
28f540f4 | 37 | |
f7eac6eb | 38 | extra-libs := libm |
ec4b0518 | 39 | extra-libs-others = $(extra-libs) |
58e07151 | 40 | |
f9a73ae1 | 41 | libm-support = k_standard s_lib_version s_matherr s_signgam \ |
63551311 UD |
42 | fclrexcpt fgetexcptflg fraiseexcpt fsetexcptflg \ |
43 | ftestexcept fegetround fesetround fegetenv feholdexcpt \ | |
05ef7ce9 UD |
44 | fesetenv feupdateenv t_exp fedisblxcpt feenablxcpt \ |
45 | fegetexcept | |
58e07151 RM |
46 | libm-calls = e_acos e_acosh e_asin e_atan2 e_atanh e_cosh e_exp e_fmod \ |
47 | e_hypot e_j0 e_j1 e_jn e_lgamma_r e_log e_log10 e_pow \ | |
d705269e UD |
48 | e_rem_pio2 e_remainder e_scalb e_sinh e_sqrt e_gamma_r \ |
49 | k_cos k_rem_pio2 k_sin k_tan s_asinh s_atan s_cbrt \ | |
502328b2 RM |
50 | s_ceil s_cos s_erf s_expm1 s_fabs \ |
51 | s_floor s_ilogb s_log1p s_logb \ | |
52 | s_nextafter s_nexttoward s_rint s_scalbln \ | |
dfd2257a | 53 | s_significand s_sin s_tan s_tanh w_acos w_acosh w_asin \ |
4bbac92a | 54 | w_atan2 w_atanh w_cosh w_drem 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 \ |
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 \ |
502328b2 | 63 | $(calls:s_%=m_%) |
dddf0ed0 UD |
64 | |
65 | include ../Makeconfig | |
66 | ||
e4d82761 UD |
67 | dbl-only-routines := branred doasin dosincos halfulp mpa mpatan2 \ |
68 | mpatan mpexp mplog mpsqrt mptan sincos32 slowexp \ | |
69 | slowpow | |
9d1efe33 UD |
70 | libm-routines = $(strip $(libm-support) $(libm-calls) \ |
71 | $(patsubst %_rf,%f_r,$(libm-calls:=f)) \ | |
e4d82761 UD |
72 | $(long-m-$(long-double-fcts))) \ |
73 | $(dbl-only-routines) | |
cccda09f | 74 | long-m-routines = $(patsubst %_rl,%l_r,$(libm-calls:=l)) |
3fe4dc41 UD |
75 | long-m-support = t_sincosl k_sincosl |
76 | long-m-yes = $(long-m-routines) $(long-m-support) | |
58e07151 | 77 | |
f7eac6eb RM |
78 | # These functions are in libc instead of libm because __printf_fp |
79 | # calls them, so any program using printf will need them linked in, | |
80 | # and we don't want to have to link every program with -lm. | |
92712dee RM |
81 | # In libm-calls (above), list m_foo in place of s_foo for any |
82 | # routine that should be compiled separately for its libc and libm versions. | |
1f205a47 UD |
83 | calls = s_isinf s_isnan s_finite s_copysign s_modf s_scalbn s_frexp s_ldexp \ |
84 | s_signbit | |
dddf0ed0 | 85 | generated += $(foreach s,.c .S l.c l.S f.c f.S,$(calls:s_%=m_%$s)) |
e6c9a67a | 86 | routines = $(calls) $(calls:=f) $(long-c-$(long-double-fcts)) |
58e07151 | 87 | long-c-yes = $(calls:=l) |
b1631b28 | 88 | distribute += $(filter-out $(generated),$(long-m-yes:=.c) $(long-c-yes:=.c)) |
8847214f | 89 | |
c57abfa7 | 90 | # Rules for the test suite. |
9861985f | 91 | tests = test-matherr test-fenv atest-exp atest-sincos atest-exp2 basic-test \ |
64b02fd2 | 92 | test-misc test-fpucw tst-definitions test-tgmath test-tgmath-ret \ |
0ecb606c | 93 | bug-nextafter bug-nexttoward bug-tgmath1 test-tgmath-int |
c57abfa7 | 94 | # We do the `long double' tests only if this data type is available and |
af6f3906 | 95 | # distinct from `double'. |
40a55d20 | 96 | test-longdouble-yes = test-ldouble test-ildoubl |
c0ac34e4 | 97 | distribute += $(test-longdouble-yes:=.c) |
c57abfa7 | 98 | |
8847214f UD |
99 | ifneq (no,$(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 | |
0ecb606c | 111 | ulps-file = $(firstword $(wildcard $(sysdirs:%=%/libm-test-ulps))) |
882ed1be UD |
112 | |
113 | $(addprefix $(objpfx), $(libm-tests-generated)): $(objpfx)libm-test.stmp | |
8847214f UD |
114 | |
115 | $(objpfx)libm-test.stmp: $(ulps-file) libm-test.inc gen-libm-test.pl | |
882ed1be UD |
116 | $(make-target-directory) |
117 | $(PERL) gen-libm-test.pl -u $< -o "$(objpfx)" | |
8847214f UD |
118 | @echo > $@ |
119 | ||
120 | $(objpfx)test-float.o: $(objpfx)libm-test.stmp | |
121 | $(objpfx)test-ifloat.o: $(objpfx)libm-test.stmp | |
122 | $(objpfx)test-double.o: $(objpfx)libm-test.stmp | |
123 | $(objpfx)test-idouble.o: $(objpfx)libm-test.stmp | |
124 | $(objpfx)test-ldouble.o: $(objpfx)libm-test.stmp | |
125 | $(objpfx)test-ildoubl.o: $(objpfx)libm-test.stmp | |
126 | endif | |
127 | ||
45740f46 UD |
128 | CFLAGS-test-float.c = -fno-inline -ffloat-store -fno-builtin |
129 | CFLAGS-test-double.c = -fno-inline -ffloat-store -fno-builtin | |
130 | CFLAGS-test-ldouble.c = -fno-inline -ffloat-store -fno-builtin | |
4f2689f4 | 131 | CFLAGS-test-tgmath.c = -fno-builtin |
301a6724 | 132 | CFLAGS-test-tgmath-ret.c = -fno-builtin |
d747a0a5 | 133 | CPPFLAGS-test-ifloat.c = -U__LIBC_INTERNAL_MATH_INLINES -D__FAST_MATH__ \ |
45740f46 | 134 | -DTEST_FAST_MATH -fno-builtin |
d747a0a5 | 135 | CPPFLAGS-test-idouble.c = -U__LIBC_INTERNAL_MATH_INLINES -D__FAST_MATH__ \ |
45740f46 | 136 | -DTEST_FAST_MATH -fno-builtin |
d747a0a5 | 137 | CPPFLAGS-test-ildoubl.c = -U__LIBC_INTERNAL_MATH_INLINES -D__FAST_MATH__ \ |
45740f46 | 138 | -DTEST_FAST_MATH -fno-builtin |
c57abfa7 | 139 | |
fc71a2d4 | 140 | distribute += libm-test.inc gen-libm-test.pl README.libm-test |
c57abfa7 | 141 | |
28f540f4 | 142 | |
26da047f RM |
143 | # The -lieee module sets the _LIB_VERSION_ switch to IEEE mode |
144 | # for error handling in the -lm functions. | |
145 | install-lib += libieee.a | |
146 | non-lib.a += libieee.a | |
147 | extra-objs += libieee.a ieee-math.o | |
6990326c | 148 | distribute += ieee-math.c |
26da047f | 149 | |
28f540f4 RM |
150 | include ../Rules |
151 | ||
f7eac6eb | 152 | |
0ecb606c JJ |
153 | # The generated sysd-rules file defines rules like this for sources |
154 | # coming from sysdeps/ directories. These rules find the generic sources. | |
155 | define o-iterator-doit | |
156 | $(objpfx)m_%$o: s_%.c $(before-compile); $$(compile-command.c) | |
157 | endef | |
158 | object-suffixes-left := $(all-object-suffixes) | |
159 | include $(o-iterator) | |
160 | ||
161 | ||
f7eac6eb RM |
162 | # This file defines the default _LIB_VERSION variable that controls |
163 | # the error return conventions for the math functions. | |
164 | CPPFLAGS-s_lib_version.c := -D_POSIX_MODE | |
165 | ||
a641835a RM |
166 | # We don't want the fdlibm code to use the inline math functions, |
167 | # only the fdlibm code. | |
4b9afc43 | 168 | math-CPPFLAGS += -D__NO_MATH_INLINES -D__LIBC_INTERNAL_MATH_INLINES |
a641835a | 169 | |
58e07151 RM |
170 | ifneq ($(long-double-fcts),yes) |
171 | # The `double' and `long double' types are the same on this machine. | |
172 | # We won't compile the `long double' code at all. Tell the `double' code | |
f5cb4a5c RM |
173 | # to define aliases for the `FUNCl' names. To avoid type conflicts in |
174 | # defining those aliases, tell <math.h> to declare the `FUNCl' names with | |
175 | # `double' instead of `long double'. | |
4b9afc43 | 176 | math-CPPFLAGS += -DNO_LONG_DOUBLE -D_Mlong_double_=double |
58e07151 RM |
177 | endif |
178 | ||
f7eac6eb | 179 | # The fdlibm code generates a lot of these warnings but is otherwise clean. |
0ed99ce4 | 180 | override CFLAGS += -Wno-uninitialized |
26da047f RM |
181 | |
182 | # The -lieee library is actually an object file. | |
183 | # The module just defines the _LIB_VERSION_ variable. | |
184 | # It's not a library to make sure it is linked in instead of s_lib_version.o. | |
185 | $(objpfx)libieee.a: $(objpfx)ieee-math.o | |
186 | rm -f $@ | |
e7c5513d UD |
187 | $(patsubst %/,cd % &&,$(objpfx)) \ |
188 | $(LN_S) $(<F) $(@F) | |
3e5f5557 UD |
189 | |
190 | ifeq ($(build-shared),yes) | |
191 | $(addprefix $(objpfx),$(tests)): $(objpfx)libm.so$(libm.so-version) | |
192 | else | |
193 | $(addprefix $(objpfx),$(tests)): $(objpfx)libm.a | |
194 | endif | |
e64911d1 GM |
195 | ifeq ($(build-bounded),yes) |
196 | $(tests:%=$(objpfx)%-bp): $(objpfx)libm_b.a | |
197 | endif | |
9498096c | 198 | |
6075607b UD |
199 | ifeq ($(build-static),yes) |
200 | o = .o | |
201 | else | |
202 | o = .os | |
203 | endif | |
204 | gmp-objs = $(patsubst %,$(common-objpfx)stdlib/%$o,\ | |
205 | add_n sub_n cmp addmul_1 mul_1 mul_n divmod_1 \ | |
ba737b94 | 206 | lshift rshift mp_clz_tab udiv_qrnnd inlines) |
6075607b UD |
207 | $(objpfx)atest-exp: $(gmp-objs) |
208 | $(objpfx)atest-sincos: $(gmp-objs) | |
209 | $(objpfx)atest-exp2: $(gmp-objs) | |
210 | ||
9498096c UD |
211 | # Depend on libc.so so a DT_NEEDED is generated in the shared objects. |
212 | # This ensures they will load libc.so for needed symbols if loaded by | |
213 | # a statically-linked program that hasn't already loaded it. | |
639c3248 | 214 | $(objpfx)libm.so: $(common-objpfx)libc.so $(common-objpfx)libc_nonshared.a |