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@@ -20,22 +20,27 @@
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# by Erik Andersen <andersen@codepoet.org>
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#
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-CFLAGS+=$(SSP_ALL_CFLAGS)
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+CFLAGS-libm := -DNOT_IN_libc $(SSP_ALL_CFLAGS)
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+CFLAGS-libm += -D_IEEE_LIBM -D_ISOC99_SOURCE -D_SVID_SOURCE
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-CFLAGS+=-D_IEEE_LIBM -D_ISOC99_SOURCE -D_SVID_SOURCE
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+CFLAGS-libm/$(TARGET_ARCH)/ := $(CFLAGS-libm)
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-CFLAGS-s_lib_version.c=-D_POSIX_MODE
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+CFLAGS-s_lib_version.c := -D_POSIX_MODE
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-LIB_NAME:=libm
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+LDFLAGS-libm.so := $(LDFLAGS)
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+
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+LIBS-libm.so := $(LIBS)
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+
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+libm_FULL_NAME := libm-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
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ifeq ($(HAS_FPU),y)
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-include $(top_srcdir)libm/$(TARGET_ARCH)/Makefile.arch
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endif
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-FL_MSRC:=float_wrappers.c
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+FL_MSRC := float_wrappers.c
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ifeq ($(DO_C99_MATH),y)
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-CSRC:= \
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+CSRC := \
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e_acos.c e_acosh.c e_asin.c e_atan2.c e_atanh.c e_cosh.c \
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e_exp.c e_fmod.c e_gamma.c e_gamma_r.c e_hypot.c e_j0.c \
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e_j1.c e_jn.c e_lgamma.c e_lgamma_r.c e_log.c e_log10.c \
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@@ -51,7 +56,7 @@ CSRC:= \
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w_hypot.c w_j0.c w_j1.c w_jn.c w_lgamma.c w_lgamma_r.c \
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w_log.c w_log10.c w_pow.c w_remainder.c w_scalb.c w_sinh.c \
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w_sqrt.c fpmacros.c nan.c
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-FL_MOBJ:= \
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+FL_MOBJ := \
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acosf.o acoshf.o asinf.o asinhf.o atan2f.o atanf.o atanhf.o cbrtf.o \
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ceilf.o copysignf.o cosf.o coshf.o erfcf.o erff.o exp2f.o expf.o \
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expm1f.o fabsf.o fdimf.o floorf.o fmaf.o fmaxf.o fminf.o fmodf.o \
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@@ -62,7 +67,7 @@ FL_MOBJ:= \
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tgammaf.o truncf.o
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else
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# This list of math functions was taken from POSIX/IEEE 1003.1b-1993
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-CSRC:= \
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+CSRC := \
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w_acos.c w_asin.c s_atan.c w_atan2.c s_ceil.c s_cos.c \
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w_cosh.c w_exp.c s_fabs.c s_floor.c w_fmod.c s_frexp.c \
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s_ldexp.c w_log.c w_log10.c s_modf.c w_pow.c s_sin.c \
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@@ -72,11 +77,11 @@ CSRC:= \
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k_sin.c e_sinh.c e_sqrt.c k_tan.c e_rem_pio2.c k_rem_pio2.c \
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s_finite.c
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# We'll add sqrtf to avoid problems with libstdc++
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-FL_MOBJ:=sqrtf.o
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+FL_MOBJ := sqrtf.o
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endif
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-libm_DIR:=$(top_srcdir)libm
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-libm_OUT:=$(top_builddir)libm
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+libm_DIR := $(top_srcdir)libm
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+libm_OUT := $(top_builddir)libm
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# assume that arch specific versions are provided as single sources/objects
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ifeq ($(HAS_FPU),y)
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@@ -84,50 +89,68 @@ ifneq ($(strip $(libm_ARCH_OBJS)),)
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# remove generic sources, if arch specific version is present
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ifneq ($(strip $(libm_ARCH_SRC)),)
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-CSRC:=$(filter-out $(notdir $(libm_ARCH_SRC)),$(CSRC))
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+CSRC := $(filter-out $(notdir $(libm_ARCH_SRC)),$(CSRC))
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endif
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# remove generic objects built from multi-sources, if arch specific version is present
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-FL_MOBJ:=$(filter-out $(notdir $(libm_ARCH_OBJS)),$(FL_MOBJ))
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+FL_MOBJ := $(filter-out $(notdir $(libm_ARCH_OBJS)),$(FL_MOBJ))
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# we also try to remove % if s_% is in arch specific subdir
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-FL_MOBJ:=$(filter-out $(patsubst s_%.o,%.o,$(notdir $(libm_ARCH_OBJS))),$(FL_MOBJ))
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+FL_MOBJ := $(filter-out $(patsubst s_%.o,%.o,$(notdir $(libm_ARCH_OBJS))),$(FL_MOBJ))
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endif
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endif
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ifneq ($(DOMULTI),n)
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ifeq ($(DO_C99_MATH),y)
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-LIBM_NO_MULTI:=s_lib_version.c
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-CSRC:=$(filter-out $(LIBM_NO_MULTI),$(CSRC))
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+LIBM_NO_MULTI := s_lib_version.c
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+CSRC := $(filter-out $(LIBM_NO_MULTI),$(CSRC))
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endif
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endif
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-libm_SRC:=$(patsubst %.c,$(libm_DIR)/%.c,$(CSRC))
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-libm_OBJ:=$(patsubst $(libm_DIR)/%.c,$(libm_OUT)/%.o,$(libm_SRC))
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+libm_SRC := $(patsubst %.c,$(libm_DIR)/%.c,$(CSRC))
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+libm_OBJ := $(patsubst $(libm_DIR)/%.c,$(libm_OUT)/%.o,$(libm_SRC))
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-libm_MSRC:=$(libm_DIR)/$(FL_MSRC)
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-libm_MOBJ:=$(patsubst %.o,$(libm_OUT)/%.o,$(FL_MOBJ))
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+libm_MSRC := $(libm_DIR)/$(FL_MSRC)
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+libm_MOBJ := $(patsubst %.o,$(libm_OUT)/%.o,$(FL_MOBJ))
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-libm_DEF:=$(patsubst %,-DL_%,$(subst .o,,$(notdir $(libm_MOBJ))))
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+libm_DEF := $(patsubst %,-DL_%,$(subst .o,,$(notdir $(libm_MOBJ))))
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-libm_OBJS:=$(libm_OBJ) $(libm_MOBJ)
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+libm_OBJS := $(libm_OBJ) $(libm_MOBJ)
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-$(libm_MOBJ): $(libm_MSRC)
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- $(compile.m)
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+libm-a-y += $(libm_OBJS)
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+libm-so-y += $(libm_OBJS:.o=.os)
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-$(libm_MOBJ:.o=.os): $(libm_MSRC)
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- $(compile.m)
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+CFLAGS-multi-y := $(libm_DEF)
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+libm-multi-y += $(libm_SRC) $(libm_MSRC)
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+libm-nomulti-$(DO_C99_MATH) += $(patsubst %.c,$(libm_OUT)/%.o,$(LIBM_NO_MULTI))
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-libm-a-$(UCLIBC_HAS_FLOATS)+=$(libm_OBJS)
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-libm-so-$(UCLIBC_HAS_FLOATS)+=$(libm_OBJS:.o=.os)
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+lib-a-$(UCLIBC_HAS_FLOATS) += $(top_builddir)lib/libm.a
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+lib-so-$(UCLIBC_HAS_FLOATS) += $(top_builddir)lib/libm.so
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+objclean-y += libm_clean
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-CFLAGS-multi-$(UCLIBC_HAS_FLOATS)+=$(libm_DEF)
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-libm-multi-$(UCLIBC_HAS_FLOATS)+=$(libm_SRC) $(libm_MSRC)
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-ifeq ($(DO_C99_MATH),y)
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-libm-nomulti-$(UCLIBC_HAS_FLOATS)+=$(patsubst %.c,$(libm_OUT)/%.o,$(LIBM_NO_MULTI))
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+$(top_builddir)lib/libm.so: $(libm_OUT)/libm_so.a libc-y
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+ $(call link.so,$(libm_FULL_NAME),$(MAJOR_VERSION))
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+
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+$(libm_OUT)/libm_so.a: $(libm-so-y)
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+ $(Q)$(RM) $@
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+ $(do_strip)
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+ $(do_ar)
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+
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+ifeq ($(DOPIC),y)
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+$(top_builddir)lib/libm.a: $(libm-a-y:.o=.os)
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+else
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+$(top_builddir)lib/libm.a: $(libm-a-y)
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endif
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+ $(Q)$(INSTALL) -d $(dir $@)
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+ $(Q)$(RM) $@
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+ $(do_strip)
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+ $(do_ar)
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-objclean-y+=libm_clean
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+$(libm_MOBJ): $(libm_MSRC)
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+ $(compile.m)
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+
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+$(libm_MOBJ:.o=.os): $(libm_MSRC)
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+ $(compile.m)
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-lib-a-$(UCLIBC_HAS_FLOATS)+=$(top_builddir)lib/libm.a
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-lib-so-$(UCLIBC_HAS_FLOATS)+=$(top_builddir)lib/libm.so
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+libm_clean:
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+ $(RM) $(libm_OUT)/*.{o,os,a}
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