[gentoo-commits] repo/gentoo:master commit in: app-emacs/compat/

["Maciej Barć" <xgqt@gentoo.org>]

commit:     98307eefb98e8ec4fa76501aa3bfb877ff59de96
Author:     Maciej Barć <xgqt <AT> gentoo <DOT> org>
AuthorDate: Tue Jun 21 19:35:49 2022 +0000
Commit:     Maciej Barć <xgqt <AT> gentoo <DOT> org>
CommitDate: Tue Jun 21 19:36:11 2022 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=98307eef

app-emacs/compat: check for native JSON parsing support

Closes: https://bugs.gentoo.org/853322
Signed-off-by: Maciej Barć <xgqt <AT> gentoo.org>

 app-emacs/compat/compat-28.1.1.3.ebuild | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/app-emacs/compat/compat-28.1.1.3.ebuild b/app-emacs/compat/compat-28.1.1.3.ebuild
index c220c6ceb7a3..e373d5d8f507 100644
--- a/app-emacs/compat/compat-28.1.1.3.ebuild
+++ b/app-emacs/compat/compat-28.1.1.3.ebuild
@@ -29,3 +29,19 @@ ELISP_TEXINFO="${PN}.texi"
 src_compile() {
 	emake compile ${PN}.info
 }
+
+src_test() {
+	local has_json="$("${EMACS}" ${EMACSFLAGS} --eval "(princ (fboundp 'json-parse-string))")"
+	if [[ "${has_json}" != t ]] ; then
+		local line
+		while read line ; do
+			ewarn "${line}"
+		done <<-EOF
+		Your current Emacs version does not support native JSON parsing,
+		which is required for running tests of ${CATEGORY}/${PN}.
+		Use "eselect emacs" to select an Emacs version with such feature.
+		EOF
+	else
+		emake test
+	fi
+}