1 # Copyright (C) 1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
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.
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.
14 # You should have received a copy of the GNU Library General Public
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.
19 # Makefile for the math library.
23 # Installed header files.
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 \
26 fenv.h bits
/fenv.h bits
/fenvinline.h bits
/mathdef.h tgmath.h
28 # Internal header files.
29 distribute
:= math_ldbl.h math_private.h machine
/asm.h
32 aux
:= setfpucw fpu_control
34 # Build the -lm library.
37 extra-libs-others
= $(extra-libs
)
39 libm-support
= k_standard s_lib_version s_matherr s_signgam \
40 fclrexcpt fgetexcptflg fraiseexcpt fsetexcptflg \
41 ftestexcept fegetround fesetround fegetenv feholdexcpt \
42 fesetenv feupdateenv t_exp fedisblxcpt feenablxcpt \
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 \
46 e_rem_pio2 e_remainder e_scalb e_sinh e_sqrt e_gamma_r \
47 k_cos k_rem_pio2 k_sin k_tan s_asinh s_atan s_cbrt \
48 s_ceil s_copysign s_cos s_erf s_expm1 s_fabs s_finite \
49 s_floor s_frexp s_ilogb s_ldexp s_log1p s_logb \
50 s_modf s_nextafter s_nexttoward s_rint s_scalbn s_scalbln \
51 s_significand s_sin s_tan s_tanh w_acos w_acosh w_asin \
52 w_atan2 w_atanh w_cosh w_drem w_exp w_exp2 w_exp10 w_fmod \
53 w_tgamma w_hypot w_j0 w_j1 w_jn w_lgamma w_lgamma_r \
54 w_log w_log10 w_pow w_remainder w_scalb w_sinh w_sqrt \
55 s_signbit s_fpclassify s_fmax s_fmin s_fdim s_nan s_trunc \
56 s_remquo e_log2 e_exp2 s_round s_nearbyint s_sincos \
57 conj cimag creal cabs carg s_cexp s_csinh s_ccosh s_clog \
58 s_catan s_casin s_ccos s_csin s_ctan s_ctanh s_cacos \
59 s_casinh s_cacosh s_catanh s_csqrt s_cpow s_cproj s_clog10 \
60 s_fma s_lrint s_llrint s_lround s_llround e_exp10 w_log2
61 dbl-only-routines
:= branred doasin dosincos halfulp mpa mpatan2 \
62 mpatan mpexp mplog mpsqrt mptan sincos32 slowexp \
64 libm-routines
= $(strip $(libm-support
) $(libm-calls
) \
65 $(patsubst %_rf
,%f_r
,$(libm-calls
:=f
)) \
66 $(long-m-
$(long-double-fcts
))) \
68 long-m-routines
= $(patsubst %_rl
,%l_r
,$(libm-calls
:=l
))
69 long-m-support
= t_sincosl k_sincosl
70 long-m-yes
= $(long-m-routines
) $(long-m-support
)
71 distribute
+= $(long-m-yes
:=.c
)
73 # These functions are in libc instead of libm because __printf_fp
74 # calls them, so any program using printf will need them linked in,
75 # and we don't want to have to link every program with -lm.
76 calls
= s_isinf s_isnan s_finite s_copysign s_modf s_scalbn s_frexp s_ldexp \
78 routines
= $(calls
) $(calls
:=f
) $(long-c-
$(long-double-fcts
))
79 long-c-yes
= $(calls
:=l
)
80 distribute
+= $(long-c-yes
:=.c
)
84 # Rules for the test suite.
85 tests
= test-matherr test-fenv atest-exp atest-sincos atest-exp2 basic-test \
86 test-misc test-fpucw tst-definitions test-tgmath
87 # We do the `long double' tests only if this data type is available and
88 # distinct from `double'.
89 test-longdouble-yes
= test-ldouble test-ildoubl
90 distribute
+= $(test-longdouble-yes
:=.c
)
93 libm-tests
= test-float test-double
$(test-longdouble-
$(long-double-fcts
)) \
94 test-ifloat test-idouble
95 libm-tests.o
= $(addsuffix .o
,$(libm-tests
))
97 tests
+= $(libm-tests
)
98 libm-tests-generated
= libm-test-ulps.h libm-test.c
99 generated
+= $(libm-tests-generated
) libm-test.stmp
101 # This is needed for dependencies
102 before-compile
+= $(objpfx
)libm-test.c
104 ulps-file
= $(firstword $(wildcard $(config-sysdirs
:%=$(..
)%/libm-test-ulps
)))
106 $(addprefix $(objpfx
), $(libm-tests-generated
)): $(objpfx
)libm-test.stmp
108 $(objpfx
)libm-test.stmp
: $(ulps-file
) libm-test.inc gen-libm-test.pl
109 $(make-target-directory
)
110 $(PERL
) gen-libm-test.pl
-u
$< -o
"$(objpfx)"
113 $(objpfx
)test-float.o
: $(objpfx
)libm-test.stmp
114 $(objpfx
)test-ifloat.o
: $(objpfx
)libm-test.stmp
115 $(objpfx
)test-double.o
: $(objpfx
)libm-test.stmp
116 $(objpfx
)test-idouble.o
: $(objpfx
)libm-test.stmp
117 $(objpfx
)test-ldouble.o
: $(objpfx
)libm-test.stmp
118 $(objpfx
)test-ildoubl.o
: $(objpfx
)libm-test.stmp
121 CFLAGS-test-float.c
= -fno-inline
-ffloat-store
122 CFLAGS-test-double.c
= -fno-inline
-ffloat-store
123 CFLAGS-test-ldouble.c
= -fno-inline
-ffloat-store
124 CFLAGS-test-ifloat.c
= -U__LIBC_INTERNAL_MATH_INLINES
-D__FAST_MATH__
125 CFLAGS-test-idouble.c
= -U__LIBC_INTERNAL_MATH_INLINES
-D__FAST_MATH__
126 CFLAGS-test-ildoubl.c
= -U__LIBC_INTERNAL_MATH_INLINES
-D__FAST_MATH__
127 CFLAGS-test-tgmath.c
= -fno-builtin
129 distribute
+= libm-test.inc gen-libm-test.pl README.libm-test
132 # The -lieee module sets the _LIB_VERSION_ switch to IEEE mode
133 # for error handling in the -lm functions.
134 install-lib
+= libieee.a
135 non-lib.a
+= libieee.a
136 extra-objs
+= libieee.a ieee-math.o
137 distribute
+= ieee-math.c
142 # This file defines the default _LIB_VERSION variable that controls
143 # the error return conventions for the math functions.
144 CPPFLAGS-s_lib_version.c
:= -D_POSIX_MODE
146 # We don't want the fdlibm code to use the inline math functions,
147 # only the fdlibm code.
148 CPPFLAGS
+= -D__NO_MATH_INLINES
-D__LIBC_INTERNAL_MATH_INLINES
150 ifneq ($(long-double-fcts
),yes
)
151 # The `double' and `long double' types are the same on this machine.
152 # We won't compile the `long double' code at all. Tell the `double' code
153 # to define aliases for the `FUNCl' names. To avoid type conflicts in
154 # defining those aliases, tell <math.h> to declare the `FUNCl' names with
155 # `double' instead of `long double'.
156 CPPFLAGS
+= -DNO_LONG_DOUBLE
-D_Mlong_double_
=double
159 # The fdlibm code generates a lot of these warnings but is otherwise clean.
160 override CFLAGS
+= -Wno-uninitialized
162 # The -lieee library is actually an object file.
163 # The module just defines the _LIB_VERSION_ variable.
164 # It's not a library to make sure it is linked in instead of s_lib_version.o.
165 $(objpfx
)libieee.a
: $(objpfx
)ieee-math.o
167 $(patsubst %/,cd
% &&,$(objpfx
)) \
170 ifeq ($(build-shared
),yes
)
171 $(addprefix $(objpfx
),$(tests
)): $(objpfx
)libm.so
$(libm.so-version
)
173 $(addprefix $(objpfx
),$(tests
)): $(objpfx
)libm.a
175 ifeq ($(build-bounded
),yes
)
176 $(tests
:%=$(objpfx
)%-bp
): $(objpfx
)libm_b.a
179 ifeq ($(build-static
),yes
)
184 gmp-objs
= $(patsubst %,$(common-objpfx
)stdlib
/%$o,\
185 add_n sub_n cmp addmul_1 mul_1 mul_n divmod_1 \
186 lshift rshift mp_clz_tab udiv_qrnnd inlines
)
187 $(objpfx
)atest-exp
: $(gmp-objs
)
188 $(objpfx
)atest-sincos
: $(gmp-objs
)
189 $(objpfx
)atest-exp2
: $(gmp-objs
)
191 # Depend on libc.so so a DT_NEEDED is generated in the shared objects.
192 # This ensures they will load libc.so for needed symbols if loaded by
193 # a statically-linked program that hasn't already loaded it.
194 $(objpfx
)libm.so
: $(common-objpfx
)libc.so
$(common-objpfx
)libc_nonshared.a