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#!/usr/bin/bash
#
# lto.sh - Compile with link-time optimization
#
[[ -n "$LIBMAKEPKG_BUILDENV_LTO_SH" ]] && return
LIBMAKEPKG_BUILDENV_LTO_SH=1
LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
source "$LIBRARY/util/option.sh"
build_options+=('lto')
buildenv_functionss+=('buildenv_lto')
buildenv_lto() {
if check_buildoption "lto" "y" && [[ -f "$(gcc -print-search-dirs | grep install | awk '{print $2 "liblto_plugin.so"}')" ]]; then
CFLAGS+=" -flto=$(getconf _NPROCESSORS_ONLN)"
CXXFLAGS+=" -flto=$(getconf _NPROCESSORS_ONLN)"
LDFLAGS+=" -fuse-linker-plugin"
LTOPLUGIN="$(gcc -print-search-dirs | grep install | awk '{print $2 "liblto_plugin.so"}')"
ARFLAGS+=" --plugin $LTOPLUGIN"
RANLIBFLAGS+=" --plugin $LTOPLUGIN"
NMFLAGS+=" --plugin $LTOPLUGIN"
fi
}
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