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- # Makefile for uClibc
- #
- # Copyright (C) 2000-2006 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
- LDFLAGS-libm.so := $(LDFLAGS)
- LIBS-libm.so := $(LIBS)
- libm_FULL_NAME := libm-$(VERSION).so
- # Fix builds for powerpc as there are different cores in this
- # section now.`
- ifeq ($(TARGET_ARCH),powerpc)
- ifeq ($(CONFIG_E500),y)
- libm_ARCH_DIR:=$(top_srcdir)libm/$(TARGET_ARCH)/e500
- libm_ARCH_OUT:=$(top_builddir)libm/$(TARGET_ARCH)/e500
- else
- libm_ARCH_DIR:=$(top_srcdir)libm/$(TARGET_ARCH)/classic
- libm_ARCH_OUT:=$(top_builddir)libm/$(TARGET_ARCH)/classic
- endif
- else
- libm_ARCH_DIR:=$(top_srcdir)libm/$(TARGET_ARCH)
- libm_ARCH_OUT:=$(top_builddir)libm/$(TARGET_ARCH)
- endif
- libm_ARCH_fpu_DIR:=$(libm_ARCH_DIR)/fpu
- libm_ARCH_fpu_OUT:=$(libm_ARCH_OUT)/fpu
- ifeq ($(UCLIBC_HAS_FPU),y)
- ifeq ($(DO_C99_MATH),y)
- -include $(libm_ARCH_DIR)/Makefile.arch
- endif
- endif
- FL_MSRC := float_wrappers.c
- ifeq ($(DO_C99_MATH),y)
- libm_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_lrint.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 carg.c s_llrint.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 cargf.o llrintf.o
- else
- # This list of math functions was taken from POSIX/IEEE 1003.1b-1993
- libm_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 := $(top_builddir)libm
- # assume that arch specific versions are provided as single sources/objects
- ifeq ($(UCLIBC_HAS_FPU),y)
- ifeq ($(DO_C99_MATH),y)
- ifneq ($(strip $(libm_ARCH_OBJS)),)
- ifeq ($(TARGET_ARCH),powerpc)
- ifeq ($(CONFIG_E500),y)
- CFLAGS-libm/$(TARGET_ARCH)/e500/ := $(CFLAGS-libm)
- else
- CFLAGS-libm/$(TARGET_ARCH)/classic/ := $(CFLAGS-libm)
- endif
- else
- CFLAGS-libm/$(TARGET_ARCH)/ := $(CFLAGS-libm)
- endif
- # remove generic sources, if arch specific version is present
- ifneq ($(strip $(libm_ARCH_SRC)),)
- libm_CSRC := $(filter-out $(notdir $(libm_ARCH_SRC)),$(libm_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
- endif
- libm_SRC := $(patsubst %.c,$(libm_DIR)/%.c,$(libm_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,$(FL_MOBJ))
- ifneq ($(DOMULTI),n)
- CFLAGS-libm += $(patsubst %,-DL_%,$(subst .o,,$(notdir $(libm_MOBJ))))
- endif
- 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 += $(libm_OBJS:.o=.os)
- lib-a-$(UCLIBC_HAS_FLOATS) += $(top_builddir)lib/libm.a
- lib-so-$(UCLIBC_HAS_FLOATS) += $(top_builddir)lib/libm.so
- objclean-y += libm_clean
- ifeq ($(DOMULTI),n)
- 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))
- else
- $(top_builddir)lib/libm.so: $(libm_OUT)/libm.oS | $(libc)
- $(call linkm.so,$(libm_FULL_NAME),$(MAJOR_VERSION))
- endif
- $(libm_OUT)/libm_so.a: $(libm-so-y)
- $(Q)$(RM) $@
- $(do_strip)
- $(do_ar)
- $(libm_OUT)/libm.oS: $(libm_SRC) $(libm_MSRC) $(libm_ARCH_SRC)
- $(Q)$(RM) $@
- $(compile-m)
- $(do_t_strip)
- $(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,oS,a}
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