1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
# Makefile.in for uClibc
#
# Licensed under LGPL v2.1, see the file COPYING.LIB in this tarball for details.
#
CFLAGS+=$(SSP_ALL_CFLAGS)
CFLAGS+=-D_IEEE_LIBM -D_ISOC99_SOURCE -D_SVID_SOURCE
LIB_NAME:=libm
srcdir=$(top_srcdir)$(LIB_NAME)
$(LIB_NAME)_DIR:=$(top_builddir)$(LIB_NAME)
FL_MSRC:=float_wrappers.c
ifeq ($(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_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 fpmacros.c nan.c s_ceilf.c s_floorf.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 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
$(LIB_NAME)_SRC:=$(patsubst %.c,$(srcdir)/%.c,$(CSRC))
$(LIB_NAME)_MSRC:=$(srcdir)/$(FL_MSRC)
$(LIB_NAME)_MOBJ:=$(patsubst %.o,$($(LIB_NAME)_DIR)/%.o,$(FL_MOBJ))
ifeq ($(HAS_FPU),y)
ifeq ($(DO_C99_MATH),y)
$(LIB_NAME)_ARCH_SRC:=$(wildcard $(srcdir)/$(TARGET_ARCH)/*.c)
$(LIB_NAME)_ARCH_OBJ:=$(patsubst $(srcdir)/$(TARGET_ARCH)/%.c,$($(LIB_NAME)_DIR)/$(TARGET_ARCH)/%.o,$($(LIB_NAME)_ARCH_SRC))
# remove generic sources, if arch specific version is present
$(LIB_NAME)_NO_SRC:=$(patsubst $(srcdir)/$(TARGET_ARCH)/%.c,$(srcdir)/%.c,$($(LIB_NAME)_ARCH_SRC))
$(LIB_NAME)_SRC:=$(filter-out $($(LIB_NAME)_NO_SRC),$($(LIB_NAME)_SRC))
# add arch specific sources (assumed that these are not multi-sources)
$(LIB_NAME)_SRC+=$($(LIB_NAME)_ARCH_SRC)
# remove generic objects produced from multi-sources, if arch specific version is present
$(LIB_NAME)_NO_MOBJ:=$(patsubst $($(LIB_NAME)_DIR)/$(TARGET_ARCH)/%.o,$($(LIB_NAME)_DIR)/%.o,$($(LIB_NAME)_ARCH_OBJ))
$(LIB_NAME)_MOBJ:=$(filter-out $($(LIB_NAME)_NO_MOBJ),$($(LIB_NAME)_MOBJ))
endif
endif
$(LIB_NAME)_arch_clean:
$(RM) $($(LIB_NAME)_DIR)/$(TARGET_ARCH)/*.{o,os}
libso-$(UCLIBC_HAS_FLOATS)+=$(top_builddir)lib/$(LIB_NAME).so
liba-$(UCLIBC_HAS_FLOATS)+=$(top_builddir)lib/$(LIB_NAME).a
libclean-y+=$(LIB_NAME)_clean $(LIB_NAME)_arch_clean
include $(top_srcdir)Makefile.libs
|
