1 # Makefile for the math library.
3 # Copyright (C) 1996 Free Software Foundation, Inc.
4 # This file is part of the GNU C Library.
6 # The GNU C Library is free software; you can redistribute it and/or
7 # modify it under the terms of the GNU Library General Public License as
8 # published by the Free Software Foundation; either version 2 of the
9 # License, or (at your option) any later version.
11 # The GNU C Library is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # Library General Public License for more details.
16 # You should have received a copy of the GNU Library General Public
17 # License along with the GNU C Library; see the file COPYING.LIB. If
18 # not, write to the Free Software Foundation, Inc., 675 Mass Ave,
19 # Cambridge, MA 02139, USA.
23 # Installed header files.
24 headers
:= math.h mathcalls.h __math.h huge_val.h nan.h
26 # Internal header files.
27 distribute
:= math_private.h machine
/asm.h machine
/endian.h
30 # Build the -lm library.
34 libm-support
= k_standard s_lib_version s_matherr s_signgam
35 libm-calls
= e_acos e_acosh e_asin e_atan2 e_atanh e_cosh e_exp e_fmod \
36 e_hypot e_j0 e_j1 e_jn e_lgamma_r e_log e_log10 e_pow \
37 e_rem_pio2 e_remainder e_scalb e_sinh e_sqrt k_cos \
38 k_rem_pio2 k_sin k_tan s_asinh s_atan s_cbrt \
39 s_ceil s_copysign s_cos s_erf s_expm1 s_fabs s_finite \
40 s_floor s_frexp s_ilogb s_ldexp s_log1p s_logb \
41 s_modf s_nextafter s_rint s_scalbn s_significand \
42 s_sin s_tan s_tanh w_acos w_acosh w_asin \
43 w_atan2 w_atanh w_cabs w_cosh w_drem w_exp w_fmod w_gamma \
44 w_gamma_r w_hypot w_j0 w_j1 w_jn w_lgamma w_lgamma_r \
45 w_log w_log10 w_pow w_remainder w_scalb w_sinh w_sqrt
46 libm-routines
= $(libm-support
) $(libm-calls
) \
47 $(patsubst %_rf
,%f_r
,$(libm-calls
:=f
)) \
48 $(long-m-
$(long-double-fcts
))
49 long-m-routines
= $(patsubst %_rl
,%l_r
,$(libm-calls
:=l
)) # not ready yet
50 #long-m-yes = $(long-m-routines) # uncomment this when code works
51 #distribute += $(long-m-routines:=.c) # and this when at least all files exist
54 # These functions are in libc instead of libm because __printf_fp
55 # calls them, so any program using printf will need them linked in,
56 # and we don't want to have to link every program with -lm.
57 calls
= s_isinf s_isnan
58 routines
= $(calls
) $(calls
:=f
) $(long-c-
$(long-double-fcts
))
59 long-c-yes
= $(calls
:=l
)
60 distribute
+= $(long-c-yes
:=.c
)
66 # This file defines the default _LIB_VERSION variable that controls
67 # the error return conventions for the math functions.
68 CPPFLAGS-s_lib_version.c
:= -D_POSIX_MODE
70 # We don't want the fdlibm code to use the inline math functions,
71 # only the fdlibm code.
72 CPPFLAGS
+= -D__NO_MATH_INLINES
74 ifneq ($(long-double-fcts
),yes
)
75 # The `double' and `long double' types are the same on this machine.
76 # We won't compile the `long double' code at all. Tell the `double' code
77 # to define aliases for the `FUNCl' names.
78 CPPFLAGS
+= -DNO_LONG_DOUBLE
81 # The fdlibm code generates a lot of these warnings but is otherwise clean.
82 override CFLAGS
+= -Wno-uninitialized
-Wno-write-strings