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cmake.eclass: cmake_comment_add_subdirectory: optionally accept "-f <path>"

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New function description:

    Comment out one or more add_subdirectory calls with #DONOTBUILD in
    a) a given file path (error out on nonexisting path)
    b) a CMakeLists.txt file inside a given directory (ewarn if not found)
    c) CMakeLists.txt in current directory (do nothing if not found).

c) is unchanged prior behaviour.

Thanks-to: Zurab Kvachadze <zurabid2016@gmail.com>
Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>
This commit is contained in:
Andreas Sturmlechner
2025-11-09 10:38:30 +01:00
parent b564d03e0d
commit a69a87c227
1 changed files with 33 additions and 10 deletions
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43
eclass/cmake.eclass
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@@ -214,21 +214,44 @@ cmake_run_in() {
}
# @FUNCTION: cmake_comment_add_subdirectory
# @USAGE: <subdirectory>
# @USAGE: [-f <filename or directory>] <subdirectory> [<subdirectories>]
# @DESCRIPTION:
# Comment out one or more add_subdirectory calls in CMakeLists.txt in the current directory
# Comment out one or more add_subdirectory calls with #DONOTBUILD in
# a) a given file path (error out on nonexisting path)
# b) a CMakeLists.txt file inside a given directory (ewarn if not found)
# c) CMakeLists.txt in current directory (do nothing if not found).
cmake_comment_add_subdirectory() {
if [[ -z ${1} ]]; then
die "${FUNCNAME[0]} must be passed at least one directory name to comment"
local d filename="CMakeLists.txt"
if [[ $# -lt 1 ]]; then
die "${FUNCNAME[0]} must be passed at least one subdirectory name to comment"
fi
case ${1} in
-f)
if [[ $# -ge 3 ]]; then
filename="${2}"
if [[ -d ${filename} ]]; then
filename+="/CMakeLists.txt"
if [[ ! -e ${filename} ]]; then
ewarn "You've given me nothing to work with in ${filename}!"
return
fi
elif [[ ! -e ${filename} ]]; then
die "${FUNCNAME}: called on non-existing ${filename}"
fi
else
die "${FUNCNAME[0]}: bad number of arguments: -f <filename or directory> <subdirectory> expected"
fi
shift 2
;;
*)
[[ -e ${filename} ]] || return
;;
esac
[[ -e "CMakeLists.txt" ]] || return
local d
for d in $@; do
for d in "$@"; do
d=${d//\//\\/}
sed -e "/add_subdirectory[[:space:]]*([[:space:]]*${d}[[:space:]]*)/I s/^/#DONOTCOMPILE /" \
-i CMakeLists.txt || die "failed to comment add_subdirectory(${d})"
sed -e "/add_subdirectory[[:space:]]*([[:space:]]*${d}[[:space:]]*)/I s/^/#DONOTBUILD /" \
-i ${filename} || die "failed to comment add_subdirectory(${d})"
done
}