media-gfx/exiv2: Restore exiv2lib target

Closes: https://bugs.gentoo.org/917483
Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>

2 files changed, 163 insertions, 0 deletions

diff --git a/media-gfx/exiv2/exiv2-0.28.1-r1.ebuild b/media-gfx/exiv2/exiv2-0.28.1-r1.ebuild
new file mode 100644
index 000000000000..a099676b0818
--- /dev/null
+++ b/media-gfx/exiv2/exiv2-0.28.1-r1.ebuild
@@ -0,0 +1,132 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..11} )
+inherit cmake-multilib python-any-r1
+
+DESCRIPTION="EXIF, IPTC and XMP metadata C++ library and command line utility"
+HOMEPAGE="https://exiv2.org/"
+
+if [[ ${PV} == *9999* ]]; then
+	EGIT_REPO_URI="https://github.com/Exiv2/exiv2.git"
+	inherit git-r3
+else
+	SRC_URI="https://github.com/Exiv2/exiv2/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~x64-solaris"
+fi
+
+LICENSE="GPL-2"
+# Upstream hope to have stable ABI in 1.0. Until then, go off ${PV}.
+# We may be able to change it to $(ver_cut 1-2) once e.g.
+# https://github.com/Exiv2/exiv2/pull/917 is merged.
+SLOT="0/$(ver_cut 1-2)"
+IUSE="+bmff doc examples nls +png test webready +xmp"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	>=virtual/libiconv-0-r1[${MULTILIB_USEDEP}]
+	nls? ( >=virtual/libintl-0-r1[${MULTILIB_USEDEP}] )
+	png? ( sys-libs/zlib[${MULTILIB_USEDEP}] )
+	webready? (
+		net-misc/curl[${MULTILIB_USEDEP}]
+	)
+	xmp? ( dev-libs/expat[${MULTILIB_USEDEP}] )
+"
+DEPEND="
+	${DEPEND}
+	test? ( dev-cpp/gtest )
+"
+BDEPEND="
+	doc? (
+		${PYTHON_DEPS}
+		app-doc/doxygen
+		dev-libs/libxslt
+		media-gfx/graphviz
+		virtual/pkgconfig
+	)
+	test? ( ${PYTHON_DEPS} )
+	nls? ( sys-devel/gettext )
+"
+
+DOCS=( README.md doc/ChangeLog doc/cmd.txt )
+
+# https://github.com/Exiv2/exiv2/pull/2832
+PATCHES=( "${FILESDIR}/${P}-exiv2lib.patch" ) # bug 917483
+
+pkg_setup() {
+	if use doc || use test ; then
+		python-any-r1_pkg_setup
+	fi
+}
+
+src_prepare() {
+	# FIXME @upstream:
+	einfo "Converting doc/cmd.txt to UTF-8"
+	iconv -f LATIN1 -t UTF-8 doc/cmd.txt > doc/cmd.txt.tmp || die
+	mv -f doc/cmd.txt.tmp doc/cmd.txt || die
+
+	cmake_src_prepare
+
+	sed -e "/^include.*compilerFlags/s/^/#DONT /" -i CMakeLists.txt || die
+}
+
+multilib_src_configure() {
+	local mycmakeargs=(
+		-DEXIV2_BUILD_SAMPLES=NO
+		-DEXIV2_ENABLE_BROTLI=OFF
+		-DEXIV2_ENABLE_NLS=$(usex nls)
+		-DEXIV2_ENABLE_PNG=$(usex png)
+		-DEXIV2_ENABLE_CURL=$(usex webready)
+		-DEXIV2_ENABLE_INIH=OFF # multilib/libdir logic is broken
+		-DEXIV2_ENABLE_WEBREADY=$(usex webready)
+		-DEXIV2_ENABLE_XMP=$(usex xmp)
+		-DEXIV2_ENABLE_BMFF=$(usex bmff)
+
+		# We let users control this.
+		-DBUILD_WITH_CCACHE=OFF
+		# Our toolchain sets this by default.
+		-DBUILD_WITH_STACK_PROTECTOR=OFF
+
+		$(multilib_is_native_abi || echo -DEXIV2_BUILD_EXIV2_COMMAND=NO)
+		$(multilib_is_native_abi && echo -DEXIV2_BUILD_DOC=$(usex doc))
+		$(multilib_is_native_abi && echo -DEXIV2_BUILD_UNIT_TESTS=$(usex test))
+		-DCMAKE_INSTALL_DOCDIR="${EPREFIX}"/usr/share/doc/${PF}/html
+	)
+
+	if use doc || use test ; then
+		mycmakeargs+=(
+			-DPython3_EXECUTABLE="${PYTHON}"
+		)
+	fi
+
+	cmake_src_configure
+}
+
+multilib_src_compile() {
+	cmake_src_compile
+
+	if multilib_is_native_abi; then
+		use doc && eninja doc
+	fi
+}
+
+multilib_src_test() {
+	if multilib_is_native_abi; then
+		cd "${BUILD_DIR}"/bin || die
+		./unit_tests || die "Failed to run tests"
+	fi
+}
+
+multilib_src_install_all() {
+	use xmp && DOCS+=( doc/{COPYING-XMPSDK,README-XMP,cmdxmp.txt} )
+
+	einstalldocs
+	find "${D}" -name '*.la' -delete || die
+
+	if use examples; then
+		docinto examples
+		dodoc samples/*.cpp
+	fi
+}
diff --git a/media-gfx/exiv2/files/exiv2-0.28.1-exiv2lib.patch b/media-gfx/exiv2/files/exiv2-0.28.1-exiv2lib.patch
new file mode 100644
index 000000000000..dba8fd3e2896
--- /dev/null
+++ b/media-gfx/exiv2/files/exiv2-0.28.1-exiv2lib.patch
@@ -0,0 +1,31 @@
+From 4f6d0b806714a702ccbe9e10c5155eb6a1699380 Mon Sep 17 00:00:00 2001
+From: Pino Toscano <toscano.pino@tiscali.it>
+Date: Tue, 14 Nov 2023 07:23:32 +0100
+Subject: [PATCH] cmake: restore a "exiv2lib" target
+
+Commit a8c3455e5cd7ee65acc5f398581e1386f7df5108 and
+commit eb05551ed2d21079299f2f4da2f463df6857b884 changed the target of
+the exiv2 library ("exiv2lib"), exporting it in the "Exiv2" namespace,
+so making it usable as "Exiv2::exiv2lib" instead. An ALIAS to "exiv2lib"
+was added, however cmake does not install or export ALIAS targets [1].
+
+Hence, restore compatibility with the existing cmake users of exiv2:
+manually create an ALIAS target in the cmake config files after all the
+targets are loaded and checked.
+
+[1] https://cmake.org/cmake/help/latest/command/add_library.html
+---
+ cmake/exiv2Config.cmake.in | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/cmake/exiv2Config.cmake.in b/cmake/exiv2Config.cmake.in
+index 63c9362ff7..c9e2eba9b5 100644
+--- a/cmake/exiv2Config.cmake.in
++++ b/cmake/exiv2Config.cmake.in
+@@ -14,3 +14,6 @@ endif()
+ include("${CMAKE_CURRENT_LIST_DIR}/exiv2Export.cmake")
+ 
+ check_required_components(exiv2)
++
++# compatibility with non-aliased users
++add_library(exiv2lib ALIAS Exiv2::exiv2lib)