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[glibc.git] / math / Makefile
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1 # Copyright (C) 1996, 1997, 1998 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.
21 subdir := math
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/mathdef.h tgmath.h
28 # Internal header files.
29 distribute := math_private.h machine/asm.h machine/endian.h
31 # FPU support code.
32 aux := setfpucw fpu_control
34 # Build the -lm library.
36 extra-libs := libm
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
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 \
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 \
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 \
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 \
51 w_atan2 w_atanh w_cosh w_drem w_exp w_exp2 w_exp10 w_fmod \
52 w_tgamma w_hypot w_j0 w_j1 w_jn w_lgamma w_lgamma_r \
53 w_log w_log10 w_pow w_remainder w_scalb w_sinh w_sqrt \
54 s_signbit s_fpclassify s_fmax s_fmin s_fdim s_nan s_trunc \
55 s_remquo s_log2 s_exp2 s_round s_nearbyint s_sincos \
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 \
58 s_casinh s_cacosh s_catanh s_csqrt s_cpow s_cproj s_clog10 \
59 s_fma s_lrint s_llrint s_lround s_llround e_exp10
60 libm-routines = $(strip $(libm-support) $(libm-calls) \
61 $(patsubst %_rf,%f_r,$(libm-calls:=f)) \
62 $(long-m-$(long-double-fcts)))
63 long-m-routines = $(patsubst %_rl,%l_r,$(libm-calls:=l))
64 long-m-yes = $(long-m-routines)
65 distribute += $(long-m-yes:=.c)
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.
70 calls = s_isinf s_isnan s_finite s_copysign s_modf s_scalbn s_frexp s_ldexp \
71 s_signbit
72 routines = $(calls) $(calls:=f) $(long-c-$(long-double-fcts))
73 long-c-yes = $(calls:=l)
74 distribute += $(long-c-yes:=.c)
76 # Rules for the test suite.
77 tests = test-float test-double $(test-longdouble-$(long-double-fcts)) \
78 test-ifloat test-idouble test-matherr test-fenv \
79 atest-exp atest-sincos atest-exp2
80 # We do the `long double' tests only if this data type is available and
81 # distinct from `double'.
82 test-longdouble-yes = test-ldouble test-ildoubl
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
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
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
97 LDLIBS-test-reduce = math/libm
98 LDLIBS-atest-exp = math/libm
99 LDLIBS-atest-sincos = math/libm
100 LDLIBS-atest-exp2 = math/libm
102 distribute += libm-test.c
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
110 distribute += ieee-math.c
112 include ../Rules
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
119 # We don't want the fdlibm code to use the inline math functions,
120 # only the fdlibm code.
121 CPPFLAGS += -D__NO_MATH_INLINES -D__LIBC_INTERNAL_MATH_INLINES
123 # Using omit-long-double-fcts is only a temporary hack.
124 ifneq ($(omit-long-double-fcts),yes)
125 ifneq ($(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
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
132 endif
133 endif
135 # The fdlibm code generates a lot of these warnings but is otherwise clean.
136 override CFLAGS += -Wno-uninitialized -Wno-write-strings
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 $@
143 $(patsubst %/,cd % &&,$(objpfx)) \
144 $(LN_S) $(<F) $(@F)
146 ifeq ($(build-shared),yes)
147 $(addprefix $(objpfx),$(tests)): $(objpfx)libm.so$(libm.so-version)
148 else
149 $(addprefix $(objpfx),$(tests)): $(objpfx)libm.a
150 endif
152 ifeq ($(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 \
159 lshift rshift mp_clz_tab udiv_qrnnd)
160 $(objpfx)atest-exp: $(gmp-objs)
161 $(objpfx)atest-sincos: $(gmp-objs)
162 $(objpfx)atest-exp2: $(gmp-objs)
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