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# Copyright 2022-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: nim-utils.eclass
# @MAINTAINER:
# Anna Vyalkova <cyber+gentoo@sysrq.in>
# @AUTHOR:
# Anna Vyalkova <cyber+gentoo@sysrq.in>
# @SUPPORTED_EAPIS: 8
# @BLURB: utility functions for Nim packages
# @DESCRIPTION:
# A utility eclass providing functions to call and configure Nim.
#
# This eclass does not set any metadata variables nor export any phase
# functions. It can be inherited safely.
case ${EAPI} in
8) ;;
*) die "${ECLASS}: EAPI ${EAPI} unsupported."
esac
if [[ ! ${_NIM_UTILS_ECLASS} ]]; then
# @ECLASS_VARIABLE: NIMFLAGS
# @USER_VARIABLE
# @DEFAULT_UNSET
# @DESCRIPTION:
# Flags for the Nim compiler. Spaces need to be quoted or shell-escaped.
# Example:
#
# @CODE@
# # NIMFLAGS="-d:myFlag -d:myOpt:'my value'" emerge category/package
# @CODE@
# @ECLASS_VARIABLE: TESTAMENT_DISABLE_MEGATEST
# @USER_VARIABLE
# @DEFAULT_UNSET
# @DESCRIPTION:
# If set, pass '--megatest:off' to testament.
# @VARIABLE: ETESTAMENT_DESELECT
# @DEFAULT_UNSET
# @DESCRIPTION:
# Specifies an array of test files to be deselected via testament's --skipFrom
# parameter, when calling etestament.
inherit edo multiprocessing toolchain-funcs xdg-utils
# @FUNCTION: enim
# @USAGE: [<args>...]
# @DESCRIPTION:
# Call nim, passing the supplied arguments and NIMFLAGS.
# This function dies if nim fails. It also supports being called via 'nonfatal'.
# If you need to call nim directly in your ebuilds, this is the way it should
# be done.
enim() {
debug-print-function ${FUNCNAME} "${@}"
edo nim "${@}" ${NIMFLAGS}
}
# @FUNCTION: ekoch
# @USAGE: [<args>...]
# @DESCRIPTION:
# Call koch, passing the supplied arguments. Used only for building compilers
# that originate from Nim.
# This function dies if koch fails.
ekoch() {
debug-print-function ${FUNCNAME} "${@}"
local koch
case "${CATEGORY}/${PN}" in
dev-lang/nim)
koch="./koch"
[[ -e ${koch} ]] || enim c koch
;;
*)
eerror "${FUNCNAME} is not implemented for ${CATEGORY}/${PN}" ;;
esac
edo ${koch} "${@}"
}
# @FUNCTION: etestament
# @USAGE: [<args>...]
# @DESCRIPTION:
# Call testament, passing the supplied arguments.
# This function dies if testament fails.
etestament() {
debug-print-function ${FUNCNAME} "${@}"
local testament_args=(
--colors:$(nim_get_colors)
)
[[ ${TESTAMENT_DISABLE_MEGATEST} ]] && \
testament_args+=( --megatest:off )
if [[ ${ETESTAMENT_DESELECT} ]]; then
local skipfile="${T}"/testament-skipfile.txt
if [[ ! -f ${skipfile} ]]; then
printf "%s\n" "${ETESTAMENT_DESELECT[@]}" > "${skipfile}" || die
else
debug-print "${skipfile} already exists, not overwriting"
fi
testament_args+=( --skipFrom:"${skipfile}" )
fi
edo testament "${testament_args[@]}" "${@}"
}
# @FUNCTION: nim_get_buildtype
# @RETURN: build type (debug or release) based on USE flags
nim_get_buildtype() {
if has debug ${IUSE}; then
echo $(usex debug "debug" "release")
else
echo "release"
fi
}
# @FUNCTION: nim_get_colors
# @RETURN: "off" if colors should be disabled, "on" otherwise
nim_get_colors() {
case ${NOCOLOR} in
true|yes) echo "off" ;;
*) echo "on" ;;
esac
}
# @FUNCTION: nim_gen_config
# @USAGE: [<dir>]
# @DESCRIPTION:
# Generate a nim.cfg file in <dir> (default: $WORKDIR) to respect user's
# toolchain and preferences.
nim_gen_config() {
debug-print-function ${FUNCNAME} "${@}"
# bug 667182
xdg_environment_reset
local dir=${1:-${WORKDIR}}
cat > "${dir}"/nim.cfg <<- EOF || die "Failed to create Nim config"
cc:"gcc"
gcc.exe:"$(tc-getCC)"
gcc.linkerexe:"$(tc-getCC)"
gcc.cpp.exe:"$(tc-getCXX)"
gcc.cpp.linkerexe:"$(tc-getCXX)"
gcc.options.speed:"${CFLAGS}"
gcc.options.size:"${CFLAGS}"
gcc.options.debug:"${CFLAGS}"
gcc.options.always:"${CPPFLAGS}"
gcc.options.linker:"${LDFLAGS}"
gcc.cpp.options.speed:"${CXXFLAGS}"
gcc.cpp.options.size:"${CXXFLAGS}"
gcc.cpp.options.debug:"${CXXFLAGS}"
gcc.cpp.options.always:"${CPPFLAGS}"
gcc.cpp.options.linker:"${LDFLAGS}"
-d:"$(nim_get_buildtype)"
--colors:"$(nim_get_colors)"
--parallelBuild:"$(makeopts_jobs)"
--processing:filenames
EOF
}
_NIM_UTILS_ECLASS=1
fi
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