157 lines
6.0 KiB
Makefile
157 lines
6.0 KiB
Makefile
# Copyright (C) 1996, 1997 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Library General Public License as
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# published by the Free Software Foundation; either version 2 of the
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# License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Library General Public License for more details.
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# You should have received a copy of the GNU Library General Public
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# License along with the GNU C Library; see the file COPYING.LIB. If not,
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# write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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# Makefile for the math library.
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subdir := math
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# Installed header files.
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headers := math.h bits/mathcalls.h bits/mathinline.h bits/huge_val.h \
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bits/nan.h fpu_control.h complex.h bits/cmathcalls.h \
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fenv.h bits/fenv.h bits/mathdef.h tgmath.h
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# Internal header files.
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distribute := math_private.h machine/asm.h machine/endian.h
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# FPU support code.
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aux := fpu_control setfpucw
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# Build the -lm library.
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extra-libs := libm
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extra-libs-others = $(extra-libs)
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libm-map := libm.map
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libm-support = k_standard s_lib_version s_matherr s_signgam \
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fclrexcpt fgetexcptflg fraiseexcpt fsetexcptflg \
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ftestexcept fegetround fesetround fegetenv feholdexcpt \
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fesetenv feupdateenv
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libm-calls = e_acos e_acosh e_asin e_atan2 e_atanh e_cosh e_exp e_fmod \
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e_hypot e_j0 e_j1 e_jn e_lgamma_r e_log e_log10 e_pow \
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e_rem_pio2 e_remainder e_scalb e_sinh e_sqrt e_gamma_r \
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k_cos k_rem_pio2 k_sin k_tan s_asinh s_atan s_cbrt \
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s_ceil s_copysign s_cos s_erf s_expm1 s_fabs s_finite \
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s_floor s_frexp s_ilogb s_ldexp s_log1p s_logb \
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s_modf s_nextafter s_nextafterx s_rint s_scalbn s_scalbln \
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s_significand s_sin s_tan s_tanh w_acos w_acosh w_asin \
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w_atan2 w_atanh w_cosh w_drem w_exp w_exp2 w_fmod w_gamma \
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w_hypot w_j0 w_j1 w_jn w_lgamma w_lgamma_r \
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w_log w_log10 w_pow w_remainder w_scalb w_sinh w_sqrt \
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s_signbit s_fpclassify s_fmax s_fmin s_fdim s_nan s_trunc \
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s_remquo s_log2 s_exp2 s_round s_nearbyint s_sincos \
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conj cimag creal cabs carg s_cexp s_csinh s_ccosh s_clog \
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s_catan s_casin s_ccos s_csin s_ctan s_ctanh s_cacos \
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s_casinh s_cacosh s_catanh s_csqrt s_cpow s_cproj s_clog10 \
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s_fma s_lrint s_llrint s_lround s_llround
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libm-routines = $(libm-support) $(libm-calls) \
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$(patsubst %_rf,%f_r,$(libm-calls:=f)) \
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$(long-m-$(long-double-fcts))
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long-m-routines = $(patsubst %_rl,%l_r,$(libm-calls:=l))
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long-m-yes = $(long-m-routines)
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distribute += $(long-m-yes:=.c)
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# These functions are in libc instead of libm because __printf_fp
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# calls them, so any program using printf will need them linked in,
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# and we don't want to have to link every program with -lm.
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calls = s_isinf s_isnan s_finite s_copysign s_modf s_scalbn s_frexp s_ldexp \
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s_signbit
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routines = $(calls) $(calls:=f) $(long-c-$(long-double-fcts))
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long-c-yes = $(calls:=l)
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distribute += $(long-c-yes:=.c)
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# Rules for the test suite.
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tests = test-float test-double $(test-longdouble-$(long-double-fcts)) \
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test-ifloat test-idouble test-matherr test-fenv \
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atest-exp atest-sincos atest-exp2 # test-reduce
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# We do the `long double' tests only if this data type is available and
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# distinct from `double'.
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test-longdouble-yes = test-ldouble test-ildoubl
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CFLAGS-test-float.c = -fno-inline -ffloat-store
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CFLAGS-test-double.c = -fno-inline -ffloat-store
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CFLAGS-test-ldouble.c = -fno-inline -ffloat-store
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CFLAGS-test-ifloat.c = -U__LIBC_INTERNAL_MATH_INLINES
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CFLAGS-test-idouble.c = -U__LIBC_INTERNAL_MATH_INLINES
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CFLAGS-test-ildoubl.c = -U__LIBC_INTERNAL_MATH_INLINES
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LDLIBS-test-ifloat = math/libm
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LDLIBS-test-idouble = math/libm
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LDLIBS-test-ildoubl = math/libm
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LDLIBS-test-float = math/libm
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LDLIBS-test-double = math/libm
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LDLIBS-test-ldouble = math/libm
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LDLIBS-test-matherr = math/libm
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LDLIBS-test-reduce = math/libm
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LDLIBS-atest-exp = math/libm
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LDLIBS-atest-sincos = math/libm
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LDLIBS-atest-exp2 = math/libm
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distribute += libm-test.c
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# The -lieee module sets the _LIB_VERSION_ switch to IEEE mode
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# for error handling in the -lm functions.
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install-lib += libieee.a
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non-lib.a += libieee.a
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extra-objs += libieee.a ieee-math.o
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distribute += ieee-math.c
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include ../Rules
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# This file defines the default _LIB_VERSION variable that controls
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# the error return conventions for the math functions.
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CPPFLAGS-s_lib_version.c := -D_POSIX_MODE
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# We don't want the fdlibm code to use the inline math functions,
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# only the fdlibm code.
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CPPFLAGS += -D__NO_MATH_INLINES -D__LIBC_INTERNAL_MATH_INLINES
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# Using omit-long-double-fcts is only a temporary hack.
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ifneq ($(omit-long-double-fcts),yes)
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ifneq ($(long-double-fcts),yes)
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# The `double' and `long double' types are the same on this machine.
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# We won't compile the `long double' code at all. Tell the `double' code
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# to define aliases for the `FUNCl' names. To avoid type conflicts in
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# defining those aliases, tell <math.h> to declare the `FUNCl' names with
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# `double' instead of `long double'.
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CPPFLAGS += -DNO_LONG_DOUBLE -D_Mlong_double_=double
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endif
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endif
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# The fdlibm code generates a lot of these warnings but is otherwise clean.
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override CFLAGS += -Wno-uninitialized -Wno-write-strings
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# The -lieee library is actually an object file.
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# The module just defines the _LIB_VERSION_ variable.
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# It's not a library to make sure it is linked in instead of s_lib_version.o.
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$(objpfx)libieee.a: $(objpfx)ieee-math.o
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rm -f $@
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ln $< $@
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ifeq ($(build-shared),yes)
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$(addprefix $(objpfx),$(tests)): $(objpfx)libm.so$(libm.so-version)
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else
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$(addprefix $(objpfx),$(tests)): $(objpfx)libm.a
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endif
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# Depend on libc.so so a DT_NEEDED is generated in the shared objects.
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# This ensures they will load libc.so for needed symbols if loaded by
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# a statically-linked program that hasn't already loaded it.
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$(objpfx)libm.so: $(common-objpfx)libc.so
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