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# Makefile for uClibc's math library
#
# Copyright (C) 2000-2002 Erik Andersen <andersen@uclibc.org>
#
# The routines included in this math library are derived from the
# math library for Apple's MacOS X/Darwin math library, which was
# itself swiped from FreeBSD. The original copyright information
# is as follows:
#
# Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
#
# Developed at SunPro, a Sun Microsystems, Inc. business.
# Permission to use, copy, modify, and distribute this
# software is freely granted, provided that this notice
# is preserved.
#
# It has been ported to work with uClibc and generally behave
# by Erik Andersen <andersen@codepoet.org>
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU Library General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option) any
# later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
# details.
#
# You should have received a copy of the GNU Library General Public License
# along with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
TOPDIR=../
include $(TOPDIR)Rules.mak
CFLAGS+=$(SSP_ALL_CFLAGS)
DIRS =
ifeq ($(strip $(HAS_FPU)),y)
ifeq ($(TARGET_ARCH),$(wildcard $(TARGET_ARCH)))
DIRS = $(TARGET_ARCH)
endif
endif
ALL_SUBDIRS = powerpc
LIBM=libm.a
LIBM_SHARED=libm.so
LIBM_SHARED_FULLNAME=libm-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
CFLAGS+=-D_IEEE_LIBM -D_ISOC99_SOURCE -D_SVID_SOURCE
ifeq ($(strip $(DO_C99_MATH)),y)
CSRC = e_acos.c e_acosh.c e_asin.c e_atan2.c e_atanh.c e_cosh.c\
e_exp.c e_fmod.c e_gamma.c e_gamma_r.c e_hypot.c e_j0.c\
e_j1.c e_jn.c e_lgamma.c e_lgamma_r.c e_log.c e_log10.c\
e_pow.c e_remainder.c e_rem_pio2.c e_scalb.c e_sinh.c\
e_sqrt.c k_cos.c k_rem_pio2.c k_sin.c k_standard.c k_tan.c\
s_asinh.c s_atan.c s_cbrt.c s_ceil.c s_copysign.c s_cos.c\
s_erf.c s_expm1.c s_fabs.c s_finite.c s_floor.c s_frexp.c\
s_ilogb.c s_ldexp.c s_lib_version.c s_log1p.c s_logb.c\
s_matherr.c s_modf.c s_nextafter.c s_rint.c s_scalbn.c\
s_signgam.c s_significand.c s_sin.c s_tan.c s_tanh.c\
w_acos.c w_acosh.c w_asin.c w_atan2.c w_atanh.c w_cabs.c\
w_cosh.c w_drem.c w_exp.c w_fmod.c w_gamma.c w_gamma_r.c\
w_hypot.c w_j0.c w_j1.c w_jn.c w_lgamma.c w_lgamma_r.c\
w_log.c w_log10.c w_pow.c w_remainder.c w_scalb.c w_sinh.c\
w_sqrt.c w_sqrtf.c fpmacros.c nan.c s_ceilf.c s_floorf.c
else
# This list of math functions was taken from POSIX/IEEE 1003.1b-1993
CSRC = w_acos.c w_asin.c s_atan.c w_atan2.c s_ceil.c s_cos.c \
w_cosh.c w_exp.c s_fabs.c s_floor.c w_fmod.c s_frexp.c \
s_ldexp.c w_log.c w_log10.c s_modf.c w_pow.c s_sin.c \
w_sinh.c w_sqrt.c s_tan.c s_tanh.c
CSRC+= s_expm1.c s_scalbn.c s_copysign.c e_acos.c e_asin.c e_atan2.c \
k_cos.c e_cosh.c e_exp.c e_fmod.c e_log.c e_log10.c e_pow.c \
k_sin.c e_sinh.c e_sqrt.c k_tan.c e_rem_pio2.c k_rem_pio2.c \
s_finite.c
# We'll add sqrtf to avoid different configurations of libstdc++.
CSRC+= w_sqrtf.c
endif
COBJS=$(patsubst %.c,%.o, $(CSRC))
OBJS=$(COBJS)
ifneq ($(strip $(UCLIBC_HAS_FLOATS)),y)
all:
else
all: $(LIBM) subdirs
endif
ifneq ($(strip $(UCLIBC_HAS_FLOATS)),y)
$(LIBM) ar-target:
else
ar-target: $(OBJS)
$(AR) $(ARFLAGS) $(LIBM) $(OBJS)
$(LIBM): ar-target
$(INSTALL) -d $(TOPDIR)lib
$(RM) $(TOPDIR)lib/$(LIBM)
$(INSTALL) -m 644 $(LIBM) $(TOPDIR)lib
endif
shared: all
ifeq ($(strip $(UCLIBC_HAS_FLOATS)),y)
$(LD) $(LDFLAGS) -soname=$(LIBM_SHARED).$(MAJOR_VERSION) \
-o $(LIBM_SHARED_FULLNAME) --whole-archive $(LIBM) \
--no-whole-archive $(TOPDIR)libc/misc/internals/interp.o \
-L$(TOPDIR)lib -lc $(LDADD_LIBFLOAT) $(LIBGCC)
$(INSTALL) -d $(TOPDIR)lib
$(RM) $(TOPDIR)lib/$(LIBM_SHARED_FULLNAME) $(TOPDIR)lib/$(LIBM_SHARED).$(MAJOR_VERSION)
$(INSTALL) -m 644 $(LIBM_SHARED_FULLNAME) $(TOPDIR)lib
$(LN) -sf $(LIBM_SHARED_FULLNAME) $(TOPDIR)lib/$(LIBM_SHARED)
$(LN) -sf $(LIBM_SHARED_FULLNAME) $(TOPDIR)lib/$(LIBM_SHARED).$(MAJOR_VERSION)
endif
$(COBJS): %.o : %.c
$(CC) $(CFLAGS) -c $< -o $@
$(STRIPTOOL) -x -R .note -R .comment $*.o
$(OBJ): Makefile
tags:
ctags -R
clean: subdirs_clean
$(RM) *.[oa] *~ core $(LIBM_SHARED)* $(LIBM_SHARED_FULLNAME)*
subdirs: $(patsubst %, _dir_%, $(DIRS))
subdirs_clean: $(patsubst %, _dirclean_%, $(ALL_SUBDIRS))
$(patsubst %, _dir_%, $(DIRS)): ar-target
$(MAKE) -C $(patsubst _dir_%, %, $@)
$(patsubst %, _dirclean_%, $(ALL_SUBDIRS)): dummy
$(MAKE) -C $(patsubst _dirclean_%, %, $@) clean
.PHONY: dummy
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