# Makefile for uClibc
#
-# Copyright (C) 2000-200
6 Erik Andersen <andersen@uclibc.org>
+# Copyright (C) 2000-200
8 Erik Andersen <andersen@uclibc.org>
#
# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
#
# by Erik Andersen <andersen@codepoet.org>
#
+subdirs += libm libm/$(TARGET_ARCH)
+
CFLAGS-libm := -DNOT_IN_libc -DIS_IN_libm $(SSP_ALL_CFLAGS)
CFLAGS-libm += -D_IEEE_LIBM
+LDFLAGS-$(UCLIBC_FORMAT_DSBT_ELF)-libm.so := -Wl,--dsbt-index=5
LDFLAGS-libm.so := $(LDFLAGS)
LIBS-libm.so := $(LIBS)
libm_FULL_NAME := libm-$(VERSION).so
+libm_DIR:=$(top_srcdir)libm
+libm_OUT:=$(top_builddir)libm
-# 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_DIR:=$(libm_DIR)/$(TARGET_ARCH)
+libm_ARCH_OUT:=$(libm_OUT)/$(TARGET_ARCH)
-libm_ARCH_fpu_DIR:=$(libm_ARCH_DIR)/fpu
-libm_ARCH_fpu_OUT:=$(libm_ARCH_OUT)/fpu
+ifneq ($(TARGET_SUBARCH),)
+libm_SUBARCH_DIR:=$(libm_DIR)/$(TARGET_ARCH)/$(TARGET_SUBARCH)
+libm_SUBARCH_OUT:=$(libm_OUT)/$(TARGET_ARCH)/$(TARGET_SUBARCH)
+endif
ifeq ($(UCLIBC_HAS_FPU),y)
ifeq ($(DO_C99_MATH),y)
-include $(libm_ARCH_DIR)/Makefile.arch
+-include $(libm_SUBARCH_DIR)/Makefile.arch
endif
endif
FL_MSRC := float_wrappers.c
+LD_MSRC := ldouble_wrappers.c
ifeq ($(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_exp.c e_fmod.c e_hypot.c \
+ e_lgamma_r.c e_log.c e_log2.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_log1p.c s_logb.c s_matherr.c s_modf.c s_nextafter.c \
+ s_nextafterf.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
+ s_tanh.c s_trunc.c \
+ w_cabs.c \
+ nan.c carg.c s_llrint.c \
+ s_fpclassify.c s_fpclassifyf.c s_signbit.c s_signbitf.c \
+ s_isnan.c s_isnanf.c s_isinf.c s_isinff.c s_finitef.c \
+ s_fdim.c s_fma.c s_fmax.c s_fmin.c \
+ s_remquo.c w_exp2.c \
+ cexp.c sincos.c
+
+# Not implemented [yet?], see comment in float_wrappers.c:
+# fdimf.o fmaf.o fmaxf.o fminf.o
+# nearbyintf.o remquof.o scalblnf.o tgammaf.o
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
+ acosf.o \
+ acoshf.o \
+ asinf.o \
+ asinhf.o \
+ atan2f.o \
+ atanf.o \
+ atanhf.o \
+ cargf.o \
+ cbrtf.o \
+ ceilf.o \
+ copysignf.o \
+ cosf.o \
+ coshf.o \
+ erfcf.o \
+ erff.o \
+ exp2f.o \
+ expf.o \
+ expm1f.o \
+ fabsf.o \
+ floorf.o \
+ fmodf.o \
+ frexpf.o \
+ gammaf.o \
+ hypotf.o \
+ ilogbf.o \
+ ldexpf.o \
+ lgammaf.o \
+ llrintf.o \
+ llroundf.o \
+ log10f.o \
+ log1pf.o \
+ log2f.o \
+ logbf.o \
+ logf.o \
+ lrintf.o \
+ lroundf.o \
+ modff.o \
+ powf.o \
+ remainderf.o \
+ rintf.o \
+ roundf.o \
+ scalbf.o \
+ scalbnf.o \
+ significandf.o \
+ sinf.o \
+ sinhf.o \
+ sqrtf.o \
+ tanf.o \
+ tanhf.o \
+ truncf.o \
+
+# Not implemented [yet?]: nexttowardl.o
+LD_MOBJ := \
+ __finitel.o \
+ __fpclassifyl.o \
+ __isinfl.o \
+ __isnanl.o \
+ __signbitl.o \
+ acoshl.o \
+ acosl.o \
+ asinhl.o \
+ asinl.o \
+ atan2l.o \
+ atanhl.o \
+ atanl.o \
+ cargl.o \
+ cbrtl.o \
+ ceill.o \
+ copysignl.o \
+ coshl.o \
+ cosl.o \
+ erfcl.o \
+ erfl.o \
+ exp2l.o \
+ expl.o \
+ expm1l.o \
+ fabsl.o \
+ fdiml.o \
+ floorl.o \
+ fmal.o \
+ fmaxl.o \
+ fminl.o \
+ fmodl.o \
+ frexpl.o \
+ gammal.o \
+ hypotl.o \
+ ilogbl.o \
+ ldexpl.o \
+ lgammal.o \
+ llrintl.o \
+ llroundl.o \
+ log10l.o \
+ log1pl.o \
+ log2l.o \
+ logbl.o \
+ logl.o \
+ lrintl.o \
+ lroundl.o \
+ modfl.o \
+ nearbyintl.o \
+ nextafterl.o \
+ powl.o \
+ remainderl.o \
+ remquol.o \
+ rintl.o \
+ roundl.o \
+ scalblnl.o \
+ scalbnl.o \
+ significandl.o \
+ sinhl.o \
+ sinl.o \
+ sqrtl.o \
+ tanhl.o \
+ tanl.o \
+ tgammal.o \
+ truncl.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_atan.c s_ceil.c s_cos.c \
+ s_fabs.c s_floor.c s_frexp.c \
+ s_ldexp.c s_modf.c s_sin.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 \
FL_MOBJ := sqrtf.o
endif
-libm_DIR := $(top_srcdir)libm
-libm_OUT := $(top_builddir)libm
+ifeq ($(DO_XSI_MATH),y)
+libm_CSRC += e_j0.c e_j1.c e_jn.c
+endif
# 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)/ := $(CFLAGS-libm)
-endif
+CFLAGS-libm/$(TARGET_ARCH)/$(TARGET_SUBARCH)/ := $(CFLAGS-libm)
# remove generic sources, if arch specific version is present
ifneq ($(strip $(libm_ARCH_SRC)),)
# remove generic objects built from multi-sources, if arch specific version is present
FL_MOBJ := $(filter-out $(notdir $(libm_ARCH_OBJS)),$(FL_MOBJ))
+LD_MOBJ := $(filter-out $(notdir $(libm_ARCH_OBJS)),$(LD_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))
+LD_MOBJ := $(filter-out $(patsubst s_%.o,%.o,$(notdir $(libm_ARCH_OBJS))),$(LD_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,$(FL_MOBJ))
+ifeq ($(strip $(UCLIBC_HAS_LONG_DOUBLE_MATH)),y)
+libm_MSRC_LD := $(libm_DIR)/$(LD_MSRC)
+libm_MOBJ_LD := $(patsubst %.o,$(libm_OUT)/%.o,$(LD_MOBJ))
+endif
+libm_MSRC_FL := $(libm_DIR)/$(FL_MSRC)
+libm_MOBJ_FL := $(patsubst %.o,$(libm_OUT)/%.o,$(FL_MOBJ))
+
ifneq ($(DOMULTI),n)
-CFLAGS-libm += $(patsubst %,-DL_%,$(subst .o,,$(notdir $(libm_MOBJ))))
+CFLAGS-libm += $(patsubst %,-DL_%,$(subst .o,,$(notdir $(libm_MOBJ_FL))))
+ifeq ($(strip $(UCLIBC_HAS_LONG_DOUBLE_MATH)),y)
+CFLAGS-libm += $(patsubst %,-DL_%,$(subst .o,,$(notdir $(libm_MOBJ_LD))))
+endif
endif
-libm_OBJS := $(libm_OBJ) $(libm_MOBJ)
+libm_OBJS := $(libm_OBJ) $(libm_MOBJ_FL) $(libm_MOBJ_LD)
ifeq ($(DOPIC),y)
libm-a-y += $(libm_OBJS:.o=.os)
lib-a-$(UCLIBC_HAS_FLOATS) += $(top_builddir)lib/libm.a
lib-so-$(UCLIBC_HAS_FLOATS) += $(top_builddir)lib/libm.so
-objclean-y += libm_clean
+objclean-y += CLEAN_libm
ifeq ($(DOMULTI),n)
ifeq ($(DOPIC),y)
-$(top_builddir)lib/libm.so: $(top_builddir)lib/libm.a $(libc)
+$(top_builddir)lib/libm.so: $(top_builddir)lib/libm.a $(libc.depend)
else
-$(top_builddir)lib/libm.so: $(libm_OUT)/libm_so.a $(libc)
+$(top_builddir)lib/libm.so: $(libm_OUT)/libm_so.a $(libc.depend)
endif
- $(call link.so,$(libm_FULL_NAME),$(MAJOR_VERSION))
+ $(call link.so,$(libm_FULL_NAME),$(ABI_VERSION))
else
-$(top_builddir)lib/libm.so: $(libm_OUT)/libm.oS | $(libc)
- $(call linkm.so,$(libm_FULL_NAME),$(MAJOR_VERSION))
+$(top_builddir)lib/libm.so: $(libm_OUT)/libm.oS | $(libc.depend)
+ $(call linkm.so,$(libm_FULL_NAME),$(ABI_VERSION))
endif
$(libm_OUT)/libm_so.a: $(libm-so-y)
$(Q)$(RM) $@
- $(do_strip)
$(do_ar)
-$(libm_OUT)/libm.oS: $(libm_SRC) $(libm_MSRC) $(libm_ARCH_SRC)
+$(libm_OUT)/libm.oS: $(libm_SRC) $(libm_MSRC_FL) $(libm_MSRC_LD) $(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): $(libm_MSRC)
+$(libm_MOBJ_FL): $(libm_MSRC_FL)
$(compile.m)
-$(libm_MOBJ:.o=.os): $(libm_MSRC)
+$(libm_MOBJ_LD): $(libm_MSRC_LD)
$(compile.m)
-libm_clean:
- $(RM) $(libm_OUT)/{,*/,*/*/}*.{o,os,oS,a}
+$(libm_MOBJ_FL:.o=.os): $(libm_MSRC_FL)
+ $(compile.m)
+
+$(libm_MOBJ_LD:.o=.os): $(libm_MSRC_LD)
+ $(compile.m)
+
+# spare us from adding a gazillion dummy two-liner files
+$(libm_MOBJ_FL:.o=.i): $(libm_MSRC_FL)
+ $(compile.mi)
+
+$(libm_MOBJ_LD:.o=.i): $(libm_MSRC_LD)
+ $(compile.mi)
+
+CLEAN_libm:
+ $(do_rm) $(addprefix $(libm_OUT)/,$(foreach e, o os oS a,$(foreach d, *. */*. */*/*.,$(d)$(e))))
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