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dc30f461 | 1 | # Copyright (C) 1996, 1997, 1998 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 | |
5 | # modify it under the terms of the GNU Library General Public License as | |
6 | # published by the Free Software Foundation; either version 2 of the | |
7 | # 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 | # Library General Public License for more details. | |
13 | ||
14 | # You should have received a copy of the GNU Library General Public | |
0c5ecdc4 UD |
15 | # License along with the GNU C Library; see the file COPYING.LIB. If not, |
16 | # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
17 | # Boston, MA 02111-1307, USA. | |
18 | ||
19 | # Makefile for the math library. | |
28f540f4 | 20 | |
f7eac6eb RM |
21 | subdir := math |
22 | ||
23 | # Installed header files. | |
5107cf1d UD |
24 | headers := math.h bits/mathcalls.h bits/mathinline.h bits/huge_val.h \ |
25 | bits/nan.h fpu_control.h complex.h bits/cmathcalls.h \ | |
dfd2257a | 26 | fenv.h bits/fenv.h bits/mathdef.h tgmath.h |
f7eac6eb RM |
27 | |
28 | # Internal header files. | |
29 | distribute := math_private.h machine/asm.h machine/endian.h | |
28f540f4 | 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 \ | |
dc30f461 | 42 | fesetenv feupdateenv t_exp |
58e07151 RM |
43 | libm-calls = e_acos e_acosh e_asin e_atan2 e_atanh e_cosh e_exp e_fmod \ |
44 | e_hypot e_j0 e_j1 e_jn e_lgamma_r e_log e_log10 e_pow \ | |
d705269e UD |
45 | e_rem_pio2 e_remainder e_scalb e_sinh e_sqrt e_gamma_r \ |
46 | k_cos k_rem_pio2 k_sin k_tan s_asinh s_atan s_cbrt \ | |
58e07151 RM |
47 | s_ceil s_copysign s_cos s_erf s_expm1 s_fabs s_finite \ |
48 | s_floor s_frexp s_ilogb s_ldexp s_log1p s_logb \ | |
dfd2257a UD |
49 | s_modf s_nextafter s_nextafterx s_rint s_scalbn s_scalbln \ |
50 | s_significand s_sin s_tan s_tanh w_acos w_acosh w_asin \ | |
4bbac92a | 51 | w_atan2 w_atanh w_cosh w_drem w_exp w_exp2 w_exp10 w_fmod \ |
e852e889 | 52 | w_tgamma w_hypot w_j0 w_j1 w_jn w_lgamma w_lgamma_r \ |
377a515b | 53 | w_log w_log10 w_pow w_remainder w_scalb w_sinh w_sqrt \ |
bc9f6000 | 54 | s_signbit s_fpclassify s_fmax s_fmin s_fdim s_nan s_trunc \ |
7799b7b3 | 55 | s_remquo s_log2 s_exp2 s_round s_nearbyint s_sincos \ |
63551311 UD |
56 | conj cimag creal cabs carg s_cexp s_csinh s_ccosh s_clog \ |
57 | s_catan s_casin s_ccos s_csin s_ctan s_ctanh s_cacos \ | |
dfd2257a | 58 | s_casinh s_cacosh s_catanh s_csqrt s_cpow s_cproj s_clog10 \ |
4bbac92a | 59 | s_fma s_lrint s_llrint s_lround s_llround e_exp10 |
58e07151 RM |
60 | libm-routines = $(libm-support) $(libm-calls) \ |
61 | $(patsubst %_rf,%f_r,$(libm-calls:=f)) \ | |
62 | $(long-m-$(long-double-fcts)) | |
cccda09f UD |
63 | long-m-routines = $(patsubst %_rl,%l_r,$(libm-calls:=l)) |
64 | long-m-yes = $(long-m-routines) | |
65 | distribute += $(long-m-yes:=.c) | |
58e07151 | 66 | |
f7eac6eb RM |
67 | # These functions are in libc instead of libm because __printf_fp |
68 | # calls them, so any program using printf will need them linked in, | |
69 | # and we don't want to have to link every program with -lm. | |
1f205a47 UD |
70 | calls = s_isinf s_isnan s_finite s_copysign s_modf s_scalbn s_frexp s_ldexp \ |
71 | s_signbit | |
e6c9a67a | 72 | routines = $(calls) $(calls:=f) $(long-c-$(long-double-fcts)) |
58e07151 | 73 | long-c-yes = $(calls:=l) |
dcfb26a7 | 74 | distribute += $(long-c-yes:=.c) |
28f540f4 | 75 | |
c57abfa7 | 76 | # Rules for the test suite. |
76b87c03 | 77 | tests = test-float test-double $(test-longdouble-$(long-double-fcts)) \ |
6075607b UD |
78 | test-ifloat test-idouble test-matherr test-fenv \ |
79 | atest-exp atest-sincos atest-exp2 | |
c57abfa7 | 80 | # We do the `long double' tests only if this data type is available and |
af6f3906 | 81 | # distinct from `double'. |
40a55d20 | 82 | test-longdouble-yes = test-ldouble test-ildoubl |
c57abfa7 | 83 | |
9a0a462c UD |
84 | CFLAGS-test-float.c = -fno-inline -ffloat-store |
85 | CFLAGS-test-double.c = -fno-inline -ffloat-store | |
86 | CFLAGS-test-ldouble.c = -fno-inline -ffloat-store | |
9756dfe1 UD |
87 | CFLAGS-test-ifloat.c = -U__LIBC_INTERNAL_MATH_INLINES |
88 | CFLAGS-test-idouble.c = -U__LIBC_INTERNAL_MATH_INLINES | |
89 | CFLAGS-test-ildoubl.c = -U__LIBC_INTERNAL_MATH_INLINES | |
5ae3e846 UD |
90 | LDLIBS-test-ifloat = math/libm |
91 | LDLIBS-test-idouble = math/libm | |
92 | LDLIBS-test-ildoubl = math/libm | |
93 | LDLIBS-test-float = math/libm | |
94 | LDLIBS-test-double = math/libm | |
95 | LDLIBS-test-ldouble = math/libm | |
96 | LDLIBS-test-matherr = math/libm | |
650425ce | 97 | LDLIBS-test-reduce = math/libm |
9a0a462c UD |
98 | LDLIBS-atest-exp = math/libm |
99 | LDLIBS-atest-sincos = math/libm | |
650425ce | 100 | LDLIBS-atest-exp2 = math/libm |
c57abfa7 UD |
101 | |
102 | distribute += libm-test.c | |
103 | ||
28f540f4 | 104 | |
26da047f RM |
105 | # The -lieee module sets the _LIB_VERSION_ switch to IEEE mode |
106 | # for error handling in the -lm functions. | |
107 | install-lib += libieee.a | |
108 | non-lib.a += libieee.a | |
109 | extra-objs += libieee.a ieee-math.o | |
6990326c | 110 | distribute += ieee-math.c |
26da047f | 111 | |
28f540f4 RM |
112 | include ../Rules |
113 | ||
f7eac6eb RM |
114 | |
115 | # This file defines the default _LIB_VERSION variable that controls | |
116 | # the error return conventions for the math functions. | |
117 | CPPFLAGS-s_lib_version.c := -D_POSIX_MODE | |
118 | ||
a641835a RM |
119 | # We don't want the fdlibm code to use the inline math functions, |
120 | # only the fdlibm code. | |
cbdee279 | 121 | CPPFLAGS += -D__NO_MATH_INLINES -D__LIBC_INTERNAL_MATH_INLINES |
a641835a | 122 | |
5ae3e846 UD |
123 | # Using omit-long-double-fcts is only a temporary hack. |
124 | ifneq ($(omit-long-double-fcts),yes) | |
58e07151 RM |
125 | ifneq ($(long-double-fcts),yes) |
126 | # The `double' and `long double' types are the same on this machine. | |
127 | # We won't compile the `long double' code at all. Tell the `double' code | |
f5cb4a5c RM |
128 | # to define aliases for the `FUNCl' names. To avoid type conflicts in |
129 | # defining those aliases, tell <math.h> to declare the `FUNCl' names with | |
130 | # `double' instead of `long double'. | |
131 | CPPFLAGS += -DNO_LONG_DOUBLE -D_Mlong_double_=double | |
58e07151 | 132 | endif |
5ae3e846 | 133 | endif |
58e07151 | 134 | |
f7eac6eb RM |
135 | # The fdlibm code generates a lot of these warnings but is otherwise clean. |
136 | override CFLAGS += -Wno-uninitialized -Wno-write-strings | |
26da047f RM |
137 | |
138 | # The -lieee library is actually an object file. | |
139 | # The module just defines the _LIB_VERSION_ variable. | |
140 | # It's not a library to make sure it is linked in instead of s_lib_version.o. | |
141 | $(objpfx)libieee.a: $(objpfx)ieee-math.o | |
142 | rm -f $@ | |
e7c5513d UD |
143 | $(patsubst %/,cd % &&,$(objpfx)) \ |
144 | $(LN_S) $(<F) $(@F) | |
3e5f5557 UD |
145 | |
146 | ifeq ($(build-shared),yes) | |
147 | $(addprefix $(objpfx),$(tests)): $(objpfx)libm.so$(libm.so-version) | |
148 | else | |
149 | $(addprefix $(objpfx),$(tests)): $(objpfx)libm.a | |
150 | endif | |
9498096c | 151 | |
6075607b UD |
152 | ifeq ($(build-static),yes) |
153 | o = .o | |
154 | else | |
155 | o = .os | |
156 | endif | |
157 | gmp-objs = $(patsubst %,$(common-objpfx)stdlib/%$o,\ | |
158 | add_n sub_n cmp addmul_1 mul_1 mul_n divmod_1 \ | |
160698e2 | 159 | lshift rshift mp_clz_tab udiv_qrnnd) |
6075607b UD |
160 | $(objpfx)atest-exp: $(gmp-objs) |
161 | $(objpfx)atest-sincos: $(gmp-objs) | |
162 | $(objpfx)atest-exp2: $(gmp-objs) | |
163 | ||
9498096c UD |
164 | # Depend on libc.so so a DT_NEEDED is generated in the shared objects. |
165 | # This ensures they will load libc.so for needed symbols if loaded by | |
166 | # a statically-linked program that hasn't already loaded it. | |
167 | $(objpfx)libm.so: $(common-objpfx)libc.so |