# Makefile for uClibc # # Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org> # # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. # # 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> # CFLAGS-libm := -DNOT_IN_libc -DIS_IN_libm $(SSP_ALL_CFLAGS) CFLAGS-libm += -D_IEEE_LIBM -D_ISOC99_SOURCE -D_SVID_SOURCE CFLAGS-libm/$(TARGET_ARCH)/ := $(CFLAGS-libm) CFLAGS-s_lib_version.c := -D_POSIX_MODE LDFLAGS-libm.so := $(LDFLAGS) LIBS-libm.so := $(LIBS) libm_FULL_NAME := libm-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so ifeq ($(HAS_FPU),y) -include $(top_srcdir)libm/$(TARGET_ARCH)/Makefile.arch endif FL_MSRC := float_wrappers.c ifeq ($(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_lround.c s_llround.c \ s_log1p.c s_logb.c s_matherr.c s_modf.c s_nextafter.c s_round.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 fpmacros.c nan.c FL_MOBJ := \ acosf.o acoshf.o asinf.o asinhf.o atan2f.o atanf.o atanhf.o cbrtf.o \ ceilf.o copysignf.o cosf.o coshf.o erfcf.o erff.o exp2f.o expf.o \ expm1f.o fabsf.o fdimf.o floorf.o fmaf.o fmaxf.o fminf.o fmodf.o \ frexpf.o hypotf.o ilogbf.o ldexpf.o lgammaf.o llroundf.o log10f.o \ log1pf.o log2f.o logbf.o logf.o lrintf.o lroundf.o modff.o nearbyintf.o \ nextafterf.o powf.o remainderf.o remquof.o rintf.o roundf.o \ scalblnf.o scalbnf.o sinf.o sinhf.o sqrtf.o tanf.o tanhf.o \ tgammaf.o truncf.o 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 \ 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 problems with libstdc++ FL_MOBJ := sqrtf.o endif libm_DIR := $(top_srcdir)libm libm_OUT := $(top_builddir)libm # assume that arch specific versions are provided as single sources/objects ifeq ($(HAS_FPU),y) ifneq ($(strip $(libm_ARCH_OBJS)),) # remove generic sources, if arch specific version is present ifneq ($(strip $(libm_ARCH_SRC)),) CSRC := $(filter-out $(notdir $(libm_ARCH_SRC)),$(CSRC)) endif # remove generic objects built from multi-sources, if arch specific version is present FL_MOBJ := $(filter-out $(notdir $(libm_ARCH_OBJS)),$(FL_MOBJ)) # we also try to remove % if s_% is in arch specific subdir FL_MOBJ := $(filter-out $(patsubst s_%.o,%.o,$(notdir $(libm_ARCH_OBJS))),$(FL_MOBJ)) endif endif ifneq ($(DOMULTI),n) ifeq ($(DO_C99_MATH),y) LIBM_NO_MULTI := s_lib_version.c CSRC := $(filter-out $(LIBM_NO_MULTI),$(CSRC)) endif endif libm_SRC := $(patsubst %.c,$(libm_DIR)/%.c,$(CSRC)) libm_OBJ := $(patsubst $(libm_DIR)/%.c,$(libm_OUT)/%.o,$(libm_SRC)) libm_MSRC := $(libm_DIR)/$(FL_MSRC) libm_MOBJ := $(patsubst %.o,$(libm_OUT)/%.o,$(FL_MOBJ)) libm_DEF := $(patsubst %,-DL_%,$(subst .o,,$(notdir $(libm_MOBJ)))) libm_OBJS := $(libm_OBJ) $(libm_MOBJ) ifeq ($(DOPIC),y) libm-a-y += $(libm_OBJS:.o=.os) else libm-a-y += $(libm_OBJS) endif libm-so-y += $(libm_OBJS:.o=.os) CFLAGS-multi-y := $(libm_DEF) libm-multi-y += $(libm_SRC) $(libm_MSRC) libm-nomulti-$(DO_C99_MATH) += $(patsubst %.c,$(libm_OUT)/%.o,$(LIBM_NO_MULTI)) lib-a-$(UCLIBC_HAS_FLOATS) += $(top_builddir)lib/libm.a lib-so-$(UCLIBC_HAS_FLOATS) += $(top_builddir)lib/libm.so objclean-y += libm_clean ifeq ($(DOPIC),y) $(top_builddir)lib/libm.so: $(top_builddir)lib/libm.a $(libc) else $(top_builddir)lib/libm.so: $(libm_OUT)/libm_so.a $(libc) endif $(call link.so,$(libm_FULL_NAME),$(MAJOR_VERSION)) $(libm_OUT)/libm_so.a: $(libm-so-y) $(Q)$(RM) $@ $(do_strip) $(do_ar) $(top_builddir)lib/libm.a: $(libm-a-y) $(Q)$(INSTALL) -d $(dir $@) $(Q)$(RM) $@ $(do_strip) $(do_ar) $(libm_MOBJ): $(libm_MSRC) $(compile.m) $(libm_MOBJ:.o=.os): $(libm_MSRC) $(compile.m) libm_clean: $(RM) $(libm_OUT)/*.{o,os,a}