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# Makefile for uClibc's math library

#

# Copyright (C) 2000-2002 Erik Andersen 

#

# 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 

#

# 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

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

endif

COBJS=$(patsubst %.c,%.o, $(CSRC))

OBJS=$(COBJS)

ifneq ($(strip $(UCLIBC_HAS_FLOATS)),y)

all:  clean subdirs

else

all: $(LIBM) subdirs

endif

$(LIBM): ar-target

        @if [ -f $(LIBM) ] ; then \

                set -x -e; \

                $(INSTALL) -d $(TOPDIR)lib; \

                $(RM) $(TOPDIR)lib/$(LIBM); \

                $(INSTALL) -m 644 $(LIBM) $(TOPDIR)lib; \

        fi;

shared: all

        @if [ -f $(LIBM) ] ; then \

            set -x -e; \

            $(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; \

            $(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); \

        fi;

ar-target: $(OBJS)

        $(AR) $(ARFLAGS) $(LIBM) $(OBJS)

$(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)) : $(OBJS)

        $(MAKE) -C $(patsubst _dir_%, %, $@)

$(patsubst %, _dirclean_%, $(ALL_SUBDIRS)) : dummy

        $(MAKE) -C $(patsubst _dirclean_%, %, $@) clean

.PHONY: dummy