app-backup/dar: patch out use of which

The `src/check` subdirectory uses `which`.  Remove it altogether, it was
not used in Gentoo.

Closes: https://bugs.gentoo.org/942752
Signed-off-by: Viorel Munteanu <ceamac@gentoo.org>

app-backup/dar/dar-2.7.15-r1.ebuild

@@ -0,0 +1,109 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit autotools flag-o-matic
+
+DESCRIPTION="A full featured backup tool, aimed for disks"
+HOMEPAGE="http://dar.linux.free.fr/"
+SRC_URI="https://downloads.sourceforge.net/project/dar/dar/${PV}/${P}.tar.gz"
+
+LICENSE="GPL-2+"
+SLOT="0"
+KEYWORDS="~amd64 ~ppc ~sparc ~x86 ~amd64-linux"
+IUSE="argon2 curl dar32 dar64 doc gcrypt gpg lz4 lzo nls rsync xattr"
+
+REQUIRED_USE="
+	?? ( dar32 dar64 )
+	gpg? ( gcrypt )
+"
+
+RESTRICT="test" # need to be run as root
+
+RDEPEND="
+	app-arch/bzip2:=
+	app-arch/xz-utils
+	app-arch/zstd:=
+	dev-libs/libthreadar
+	sys-libs/libcap
+	>=sys-libs/zlib-1.2.3:=
+	argon2? ( app-crypt/argon2:= )
+	curl? ( net-misc/curl )
+	gcrypt? (
+		dev-libs/libgcrypt:0=
+		dev-libs/libgpg-error
+	)
+	gpg? (
+		app-crypt/gpgme:=
+		dev-libs/libassuan:=
+	)
+	lz4? ( app-arch/lz4:= )
+	lzo? ( dev-libs/lzo:2 )
+	nls? ( virtual/libintl )
+	rsync? ( net-libs/librsync:= )
+	xattr? ( sys-apps/attr )
+"
+
+DEPEND="${RDEPEND}"
+
+BDEPEND="
+	doc? ( app-text/doxygen )
+	nls? ( sys-devel/gettext )
+"
+
+QA_PKGCONFIG_VERSION=""	# Bug #862025 - upstream has a different numbering scheme for libdar
+
+src_prepare() {
+	default
+
+	# Remove `check` subdirectory, unused because RESTRICT=test.  See bug #942752
+	sed -e 's/\<check\>//' -i src/Makefile.am
+
+	# Add gettext version so autopoint does not fail
+	# Try to keep it in sync with upstream
+	sed -e '/AM_GNU_GETTEXT_VERSION/ s/$/(0.20.2)/' -i configure.ac
+	eautoreconf
+}
+
+src_configure() {
+	# configure.ac is totally funked up regarding the AC_ARG_ENABLE
+	# logic.
+	# For example "--enable-dar-static" causes configure to DISABLE
+	# static builds of dar.
+	# Do _not_ use $(use_enable) until you have verified that the
+	# logic has been fixed by upstream.
+	local myconf=(
+		--disable-dar-static
+		--disable-python-binding
+		--disable-upx
+		$(usev !argon2 --disable-libargon2-linking)
+		$(usev !curl --disable-libcurl-linking)
+		$(usev dar32 --enable-mode=32)
+		$(usev dar64 --enable-mode=64)
+		$(usev !doc --disable-build-html)
+		$(usev !gcrypt --disable-libgcrypt-linking)
+		$(usev !gpg --disable-gpgme-linking)
+		$(usev !lz4 --disable-liblz4-linking)
+		$(usev !lzo --disable-liblzo2-linking)
+		$(usev !nls --disable-nls)
+		$(usev !rsync --disable-librsync-linking)
+		$(usev !xattr --disable-ea-support)
+	)
+
+	# Bug 103741
+	filter-flags -fomit-frame-pointer
+
+	econf "${myconf[@]}"
+}
+
+src_install() {
+	emake DESTDIR="${D}" pkgdatadir="${EPREFIX}"/usr/share/doc/${PF}/html install
+
+	einstalldocs
+
+	find "${ED}" -name "*.la" -delete || die
+
+	# Bug 729150
+	rm "${ED}/usr/share/doc/${PF}/html/samples/MyBackup.sh.tar.gz" || die
+}