# 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 $(TOPDIR)Rules.mak DIRS = ifeq ($(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: 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 $(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); \ 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