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0c5ecdc4 | 1 | # Copyright (C) 1996, 1997 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 | |
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21 | subdir := math |
22 | ||
23 | # Installed header files. | |
5fbef188 | 24 | headers := math.h mathcalls.h __math.h huge_val.h nan.h fpu_control.h |
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25 | |
26 | # Internal header files. | |
27 | distribute := math_private.h machine/asm.h machine/endian.h | |
28f540f4 | 28 | |
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29 | # FPU support code. |
30 | aux := fpu_control setfpucw | |
28f540f4 | 31 | |
f7eac6eb | 32 | # Build the -lm library. |
28f540f4 | 33 | |
f7eac6eb | 34 | extra-libs := libm |
ec4b0518 | 35 | extra-libs-others = $(extra-libs) |
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36 | |
37 | libm-support = k_standard s_lib_version s_matherr s_signgam | |
38 | libm-calls = e_acos e_acosh e_asin e_atan2 e_atanh e_cosh e_exp e_fmod \ | |
39 | e_hypot e_j0 e_j1 e_jn e_lgamma_r e_log e_log10 e_pow \ | |
40 | e_rem_pio2 e_remainder e_scalb e_sinh e_sqrt k_cos \ | |
41 | k_rem_pio2 k_sin k_tan s_asinh s_atan s_cbrt \ | |
42 | s_ceil s_copysign s_cos s_erf s_expm1 s_fabs s_finite \ | |
43 | s_floor s_frexp s_ilogb s_ldexp s_log1p s_logb \ | |
44 | s_modf s_nextafter s_rint s_scalbn s_significand \ | |
45 | s_sin s_tan s_tanh w_acos w_acosh w_asin \ | |
46 | w_atan2 w_atanh w_cabs w_cosh w_drem w_exp w_fmod w_gamma \ | |
47 | w_gamma_r w_hypot w_j0 w_j1 w_jn w_lgamma w_lgamma_r \ | |
377a515b UD |
48 | w_log w_log10 w_pow w_remainder w_scalb w_sinh w_sqrt \ |
49 | s_signbit s_fpclassify s_fmax s_fmin s_fdim | |
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50 | libm-routines = $(libm-support) $(libm-calls) \ |
51 | $(patsubst %_rf,%f_r,$(libm-calls:=f)) \ | |
52 | $(long-m-$(long-double-fcts)) | |
cccda09f UD |
53 | long-m-routines = $(patsubst %_rl,%l_r,$(libm-calls:=l)) |
54 | long-m-yes = $(long-m-routines) | |
55 | distribute += $(long-m-yes:=.c) | |
58e07151 | 56 | |
f7eac6eb RM |
57 | # These functions are in libc instead of libm because __printf_fp |
58 | # calls them, so any program using printf will need them linked in, | |
59 | # and we don't want to have to link every program with -lm. | |
e6c9a67a RM |
60 | calls = s_isinf s_isnan s_finite s_copysign s_modf s_scalbn s_frexp s_ldexp |
61 | routines = $(calls) $(calls:=f) $(long-c-$(long-double-fcts)) | |
58e07151 | 62 | long-c-yes = $(calls:=l) |
dcfb26a7 | 63 | distribute += $(long-c-yes:=.c) |
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64 | |
65 | ||
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66 | # The -lieee module sets the _LIB_VERSION_ switch to IEEE mode |
67 | # for error handling in the -lm functions. | |
68 | install-lib += libieee.a | |
69 | non-lib.a += libieee.a | |
70 | extra-objs += libieee.a ieee-math.o | |
6990326c | 71 | distribute += ieee-math.c |
26da047f | 72 | |
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73 | include ../Rules |
74 | ||
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75 | |
76 | # This file defines the default _LIB_VERSION variable that controls | |
77 | # the error return conventions for the math functions. | |
78 | CPPFLAGS-s_lib_version.c := -D_POSIX_MODE | |
79 | ||
a641835a RM |
80 | # We don't want the fdlibm code to use the inline math functions, |
81 | # only the fdlibm code. | |
82 | CPPFLAGS += -D__NO_MATH_INLINES | |
83 | ||
58e07151 RM |
84 | ifneq ($(long-double-fcts),yes) |
85 | # The `double' and `long double' types are the same on this machine. | |
86 | # We won't compile the `long double' code at all. Tell the `double' code | |
f5cb4a5c RM |
87 | # to define aliases for the `FUNCl' names. To avoid type conflicts in |
88 | # defining those aliases, tell <math.h> to declare the `FUNCl' names with | |
89 | # `double' instead of `long double'. | |
90 | CPPFLAGS += -DNO_LONG_DOUBLE -D_Mlong_double_=double | |
58e07151 RM |
91 | endif |
92 | ||
f7eac6eb RM |
93 | # The fdlibm code generates a lot of these warnings but is otherwise clean. |
94 | override CFLAGS += -Wno-uninitialized -Wno-write-strings | |
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95 | |
96 | # The -lieee library is actually an object file. | |
97 | # The module just defines the _LIB_VERSION_ variable. | |
98 | # It's not a library to make sure it is linked in instead of s_lib_version.o. | |
99 | $(objpfx)libieee.a: $(objpfx)ieee-math.o | |
100 | rm -f $@ | |
101 | ln $< $@ |