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ifeq ($(subdir),math)
#
# Some files which need to go both into libc and libm have external
# dependencies which need to be resolved differently for libc
# vs. libm. For example, inside libc, __libm_error_support needs to
# resolve to HIDDEN_JUMPTARGET(__libm_error_support) whereas within
# libm it always resolves to __libm_error_support. Such files need to
# be compiled twice. Fortunately, math/Makefile already has logic to
# support this: if a file starts with "s_", make will automatically
# generate a matching file whose name starts with "m_" which simply
# includes the corresponding "s_" file.
#
duplicated-routines = s_libm_ldexp s_libm_ldexpf s_libm_ldexpl \
s_libm_scalbn s_libm_scalbnf s_libm_scalbnl
libm-sysdep_routines += s_erfc s_erfcf s_erfcl \
s_matherrf s_matherrl libm_reduce \
libm_error \
libm_frexp libm_frexpf libm_frexpl \
libm_sincos libm_sincosf libm_sincosl \
libm_sincos_large \
libm_lgamma libm_lgammaf libm_lgammal \
libm_scalblnf \
$(duplicated-routines:s_%=m_%)
sysdep_routines += libc_libm_error libm_frexp libm_frexpf libm_frexpl \
$(duplicated-routines)
sysdep-CPPFLAGS += -include libm-symbols.h \
-D__POSIX__ -Dopensource \
-D_LIB_VERSIONIMF=_LIB_VERSION \
-DSIZE_INT_32 -DSIZE_LONG_INT_64 -DSIZE_LONG_LONG_INT_64 \
-DSIZE_LONG_64 -DIA64
endif
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