1 # Makefile for uClibc's math library
3 # Copyright (C) 2000-2002 Erik Andersen <andersen@uclibc.org>
5 # The routines included in this math library are derived from the
6 # math library for Apple's MacOS X/Darwin math library, which was
7 # itself swiped from FreeBSD. The original copyright information
10 # Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
12 # Developed at SunPro, a Sun Microsystems, Inc. business.
13 # Permission to use, copy, modify, and distribute this
14 # software is freely granted, provided that this notice
17 # It has been ported to work with uClibc and generally behave
18 # by Erik Andersen <andersen@codepoet.org>
20 # This program is free software; you can redistribute it and/or modify it under
21 # the terms of the GNU Library General Public License as published by the Free
22 # Software Foundation; either version 2 of the License, or (at your option) any
25 # This program is distributed in the hope that it will be useful, but WITHOUT
26 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
27 # FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
30 # You should have received a copy of the GNU Library General Public License
31 # along with this program; if not, write to the Free Software Foundation, Inc.,
32 # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
35 include $(TOPDIR)Rules.mak
38 ifeq ($(strip $(HAS_FPU)),y)
39 ifeq ($(TARGET_ARCH),$(wildcard $(TARGET_ARCH)))
48 LIBM_SHARED_FULLNAME=libm-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
49 CFLAGS+=-D_IEEE_LIBM -D_ISOC99_SOURCE -D_SVID_SOURCE
51 ifeq ($(strip $(DO_C99_MATH)),y)
52 CSRC = e_acos.c e_acosh.c e_asin.c e_atan2.c e_atanh.c e_cosh.c\
53 e_exp.c e_fmod.c e_gamma.c e_gamma_r.c e_hypot.c e_j0.c\
54 e_j1.c e_jn.c e_lgamma.c e_lgamma_r.c e_log.c e_log10.c\
55 e_pow.c e_remainder.c e_rem_pio2.c e_scalb.c e_sinh.c\
56 e_sqrt.c k_cos.c k_rem_pio2.c k_sin.c k_standard.c k_tan.c\
57 s_asinh.c s_atan.c s_cbrt.c s_ceil.c s_copysign.c s_cos.c\
58 s_erf.c s_expm1.c s_fabs.c s_finite.c s_floor.c s_frexp.c\
59 s_ilogb.c s_ldexp.c s_lib_version.c s_log1p.c s_logb.c\
60 s_matherr.c s_modf.c s_nextafter.c s_rint.c s_scalbn.c\
61 s_signgam.c s_significand.c s_sin.c s_tan.c s_tanh.c\
62 w_acos.c w_acosh.c w_asin.c w_atan2.c w_atanh.c w_cabs.c\
63 w_cosh.c w_drem.c w_exp.c w_fmod.c w_gamma.c w_gamma_r.c\
64 w_hypot.c w_j0.c w_j1.c w_jn.c w_lgamma.c w_lgamma_r.c\
65 w_log.c w_log10.c w_pow.c w_remainder.c w_scalb.c w_sinh.c\
66 w_sqrt.c w_sqrtf.c fpmacros.c nan.c s_ceilf.c s_floorf.c
68 # This list of math functions was taken from POSIX/IEEE 1003.1b-1993
69 CSRC = w_acos.c w_asin.c s_atan.c w_atan2.c s_ceil.c s_cos.c \
70 w_cosh.c w_exp.c s_fabs.c s_floor.c w_fmod.c s_frexp.c \
71 s_ldexp.c w_log.c w_log10.c s_modf.c w_pow.c s_sin.c \
72 w_sinh.c w_sqrt.c s_tan.c s_tanh.c
73 CSRC+= s_expm1.c s_scalbn.c s_copysign.c e_acos.c e_asin.c e_atan2.c \
74 k_cos.c e_cosh.c e_exp.c e_fmod.c e_log.c e_log10.c e_pow.c \
75 k_sin.c e_sinh.c e_sqrt.c k_tan.c e_rem_pio2.c k_rem_pio2.c \
77 # We'll add sqrtf to avoid different configurations of libstdc++.
80 COBJS=$(patsubst %.c,%.o, $(CSRC))
84 ifneq ($(strip $(UCLIBC_HAS_FLOATS)),y)
91 @if [ -f $(LIBM) ] ; then \
93 $(INSTALL) -d $(TOPDIR)lib; \
94 $(RM) $(TOPDIR)lib/$(LIBM); \
95 $(INSTALL) -m 644 $(LIBM) $(TOPDIR)lib; \
99 @if [ -f $(LIBM) ] ; then \
101 $(LD) $(LDFLAGS) -soname=$(LIBM_SHARED).$(MAJOR_VERSION) \
102 -o $(LIBM_SHARED_FULLNAME) --whole-archive $(LIBM) \
103 --no-whole-archive $(TOPDIR)libc/misc/internals/interp.o \
104 -L$(TOPDIR)lib -lc $(LDADD_LIBFLOAT) $(LIBGCC); \
105 $(INSTALL) -d $(TOPDIR)lib; \
106 $(RM) $(TOPDIR)lib/$(LIBM_SHARED_FULLNAME) $(TOPDIR)lib/$(LIBM_SHARED).$(MAJOR_VERSION); \
107 $(INSTALL) -m 644 $(LIBM_SHARED_FULLNAME) $(TOPDIR)lib; \
108 $(LN) -sf $(LIBM_SHARED_FULLNAME) $(TOPDIR)lib/$(LIBM_SHARED); \
109 $(LN) -sf $(LIBM_SHARED_FULLNAME) $(TOPDIR)lib/$(LIBM_SHARED).$(MAJOR_VERSION); \
113 $(AR) $(ARFLAGS) $(LIBM) $(OBJS)
116 $(CC) $(CFLAGS) -c $< -o $@
117 $(STRIPTOOL) -x -R .note -R .comment $*.o
125 $(RM) *.[oa] *~ core $(LIBM_SHARED)* $(LIBM_SHARED_FULLNAME)*
127 subdirs: $(patsubst %, _dir_%, $(DIRS))
128 subdirs_clean: $(patsubst %, _dirclean_%, $(ALL_SUBDIRS))
130 $(patsubst %, _dir_%, $(DIRS)) : $(OBJS)
131 $(MAKE) -C $(patsubst _dir_%, %, $@)
133 $(patsubst %, _dirclean_%, $(ALL_SUBDIRS)) : dummy
134 $(MAKE) -C $(patsubst _dirclean_%, %, $@) clean