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eclass/cmake: Sync with Gentoo

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It's from Gentoo commit c61429856424975f5afc1d55d8f153fb3639ab18.
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Flatcar Buildbot 2025-06-16 07:09:38 +00:00 committed by Krzesimir Nowak
parent 7b1d5d8b8a
commit 471e6c0dea
1 changed files with 34 additions and 0 deletions
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34
sdk_container/src/third_party/portage-stable/eclass/cmake.eclass vendored
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@ -117,6 +117,12 @@ fi
# for econf and is needed to pass TRY_RUN results when cross-compiling.
# Should be set by user in a per-package basis in /etc/portage/package.env.
# @ECLASS_VARIABLE: CMAKE_QA_COMPAT_SKIP
# @DEFAULT_UNSET
# @DESCRIPTION:
# If set, skip detection of CMakeLists.txt unsupported in CMake 4 in case of
# false positives (e.g. unused outdated bundled libs).
# @ECLASS_VARIABLE: CMAKE_QA_SRC_DIR_READONLY
# @USER_VARIABLE
# @DEFAULT_UNSET
@ -445,6 +451,19 @@ cmake_src_configure() {
# Fix xdg collision with sandbox
xdg_environment_reset
local file ver cmreq_isold
if ! [[ ${CMAKE_QA_COMPAT_SKIP} ]]; then
while read -d '' -r file ; do
ver=$(sed -ne "/cmake_minimum_required/I{s/.*\(\.\.\.*\|\s\)\([0-9.]*\)\([)]\|\s\).*$/\2/p;q}" \
"${file}" 2>/dev/null \
)
if [[ -n $ver ]] && ver_test $ver -lt "3.5"; then
cmreq_isold=true
fi
done < <(find "${CMAKE_USE_DIR}" -type f -iname "CMakeLists.txt" -print0)
fi
# Prepare Gentoo override rules (set valid compiler, append CPPFLAGS etc.)
local build_rules=${BUILD_DIR}/gentoo_rules.cmake
@ -625,6 +644,21 @@ cmake_src_configure() {
cmakeargs+=( -C "${CMAKE_EXTRA_CACHE_FILE}" )
fi
if [[ ${cmreq_isold} ]]; then
eqawarn "QA Notice: Compatibility with CMake < 3.5 has been removed from CMake 4,"
eqawarn "${CATEGORY}/${PN} will fail to build w/o a fix."
eqawarn "See also tracker bug #951350; check existing bug or file a new one for"
eqawarn "this package, and take it upstream."
if [[ ${EAPI} == 7 ]]; then
eqawarn "QA Notice: EAPI=7 detected; this package is now a prime last-rites target."
fi
if has_version -b ">=dev-build/cmake-4"; then
eqawarn "QA Notice: CMake 4 detected; building with -DCMAKE_POLICY_VERSION_MINIMUM=3.5"
eqawarn "This is merely a workaround and *not* a permanent fix."
cmakeargs+=( -DCMAKE_POLICY_VERSION_MINIMUM=3.5 )
fi
fi
pushd "${BUILD_DIR}" > /dev/null || die
debug-print "${LINENO} ${ECLASS} ${FUNCNAME}: mycmakeargs is ${mycmakeargs_local[*]}"
echo "${CMAKE_BINARY}" "${cmakeargs[@]}" "${CMAKE_USE_DIR}"