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#!/usr/bin/bash
#
# pgo.sh - Compile with, or utilize profile guided optimization
#
[[ -n "$LIBMAKEPKG_BUILDENV_PGO_SH" ]] && return
LIBMAKEPKG_BUILDENV_PGO_SH=1
LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
source "$LIBRARY/util/message.sh"
source "$LIBRARY/util/option.sh"
build_options+=('pgo')
buildenv_functions+=('buildenv_pgo')
buildenv_pgo() {
if check_buildoption "pgo" "y"; then
[[ -n ${PROFDEST} ]] && _PROFDEST=$(canonicalize_path ${PROFDEST})
PROFDEST=${_PROFDEST:-$PROFDEST}
PROFDEST=${PROFDEST:-$startdir} #default to $startdir if undefined
if [[ ! -w $PROFDEST ]] ; then
error "$(gettext "You do not have write permission to store profiles in %s.")" "$PROFDEST"
plain "$(gettext "Aborting...")"
exit 1
fi
[[ "$INFAKEROOT" == 1 ]] && return
if [ ! -d "$PROFDEST/$pkgbase.gen" ]; then
pgoflags=" -fprofile-generate -fprofile-dir=$PROFDEST/$pkgbase.gen"
pgoldflags=" -lgcov --coverage"
msg2 "Profile data will be generated."
else
[[ ! -d "$PROFDEST/$pkgbase.used" ]] && mv "$PROFDEST/$pkgbase.gen" "$PROFDEST/$pkgbase.used"
pgoflags=" -fprofile-correction -fprofile-use -fprofile-dir=$PROFDEST/$pkgbase.used"
msg2 "Profile data will be applied."
fi
CFLAGS+="$pgoflags"
CXXFLAGS+="$pgoflags"
LDFLAGS+="$pgoldflags"
fi
}
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