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[glibc.git] / math / Makefile
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1 # Copyright (C) 1996-2001, 2002 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 Lesser General Public
6 # License as published by the Free Software Foundation; either
7 # version 2.1 of the 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 # Lesser General Public License for more details.
14 # You should have received a copy of the GNU Lesser General Public
15 # License along with the GNU C Library; if not, write to the Free
16 # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 # 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/fenvinline.h bits/mathdef.h tgmath.h
28 # Internal header files.
29 distribute := math_ldbl.h math_private.h machine/asm.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 fedisblxcpt feenablxcpt \
43 fegetexcept
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 \
63 slowpow
64 libm-routines = $(strip $(libm-support) $(libm-calls) \
65 $(patsubst %_rf,%f_r,$(libm-calls:=f)) \
66 $(long-m-$(long-double-fcts))) \
67 $(dbl-only-routines)
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 \
77 s_signbit
78 routines = $(calls) $(calls:=f) $(long-c-$(long-double-fcts))
79 long-c-yes = $(calls:=l)
80 distribute += $(long-c-yes:=.c)
82 include ../Makeconfig
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 += $(test-longdouble-yes:=.c)
92 ifneq (no,$(PERL))
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)"
111 @echo > $@
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: $(objpfx)libm-test.stmp
119 endif
121 CFLAGS-test-float.c = -fno-inline -ffloat-store
122 CFLAGS-test-double.c = -fno-inline -ffloat-store
123 CFLAGS-test-ldouble.c = -fno-inline -ffloat-store
124 CFLAGS-test-tgmath.c = -fno-builtin
125 CPPFLAGS-test-ifloat.c = -U__LIBC_INTERNAL_MATH_INLINES -D__FAST_MATH__ \
126 -DTEST_FAST_MATH
127 CPPFLAGS-test-idouble.c = -U__LIBC_INTERNAL_MATH_INLINES -D__FAST_MATH__ \
128 -DTEST_FAST_MATH
129 CPPFLAGS-test-ildoubl.c = -U__LIBC_INTERNAL_MATH_INLINES -D__FAST_MATH__ \
130 -DTEST_FAST_MATH
132 distribute += libm-test.inc gen-libm-test.pl README.libm-test
135 # The -lieee module sets the _LIB_VERSION_ switch to IEEE mode
136 # for error handling in the -lm functions.
137 install-lib += libieee.a
138 non-lib.a += libieee.a
139 extra-objs += libieee.a ieee-math.o
140 distribute += ieee-math.c
142 include ../Rules
145 # This file defines the default _LIB_VERSION variable that controls
146 # the error return conventions for the math functions.
147 CPPFLAGS-s_lib_version.c := -D_POSIX_MODE
149 # We don't want the fdlibm code to use the inline math functions,
150 # only the fdlibm code.
151 math-CPPFLAGS += -D__NO_MATH_INLINES -D__LIBC_INTERNAL_MATH_INLINES
153 ifneq ($(long-double-fcts),yes)
154 # The `double' and `long double' types are the same on this machine.
155 # We won't compile the `long double' code at all. Tell the `double' code
156 # to define aliases for the `FUNCl' names. To avoid type conflicts in
157 # defining those aliases, tell <math.h> to declare the `FUNCl' names with
158 # `double' instead of `long double'.
159 math-CPPFLAGS += -DNO_LONG_DOUBLE -D_Mlong_double_=double
160 endif
162 # The fdlibm code generates a lot of these warnings but is otherwise clean.
163 override CFLAGS += -Wno-uninitialized
165 # The -lieee library is actually an object file.
166 # The module just defines the _LIB_VERSION_ variable.
167 # It's not a library to make sure it is linked in instead of s_lib_version.o.
168 $(objpfx)libieee.a: $(objpfx)ieee-math.o
169 rm -f $@
170 $(patsubst %/,cd % &&,$(objpfx)) \
171 $(LN_S) $(<F) $(@F)
173 ifeq ($(build-shared),yes)
174 $(addprefix $(objpfx),$(tests)): $(objpfx)libm.so$(libm.so-version)
175 else
176 $(addprefix $(objpfx),$(tests)): $(objpfx)libm.a
177 endif
178 ifeq ($(build-bounded),yes)
179 $(tests:%=$(objpfx)%-bp): $(objpfx)libm_b.a
180 endif
182 ifeq ($(build-static),yes)
183 o = .o
184 else
185 o = .os
186 endif
187 gmp-objs = $(patsubst %,$(common-objpfx)stdlib/%$o,\
188 add_n sub_n cmp addmul_1 mul_1 mul_n divmod_1 \
189 lshift rshift mp_clz_tab udiv_qrnnd inlines)
190 $(objpfx)atest-exp: $(gmp-objs)
191 $(objpfx)atest-sincos: $(gmp-objs)
192 $(objpfx)atest-exp2: $(gmp-objs)
194 # Depend on libc.so so a DT_NEEDED is generated in the shared objects.
195 # This ensures they will load libc.so for needed symbols if loaded by
196 # a statically-linked program that hasn't already loaded it.
197 $(objpfx)libm.so: $(common-objpfx)libc.so $(common-objpfx)libc_nonshared.a