new package: opencv (#8392)

packages/opencv/build.sh

@@ -0,0 +1,47 @@
+TERMUX_PKG_HOMEPAGE=https://opencv.org/
+TERMUX_PKG_DESCRIPTION="Open Source Computer Vision Library"
+TERMUX_PKG_LICENSE="Apache-2.0"
+TERMUX_PKG_MAINTAINER="@termux"
+TERMUX_PKG_VERSION=4.5.5
+TERMUX_PKG_SRCURL=https://github.com/opencv/opencv/archive/${TERMUX_PKG_VERSION}.tar.gz
+TERMUX_PKG_SHA256=a1cfdcf6619387ca9e232687504da996aaa9f7b5689986b8331ec02cb61d28ad
+TERMUX_PKG_DEPENDS="libc++, libjpeg-turbo, libpng, libprotobuf, libtiff, libwebp, openjpeg, openjpeg-tools, zlib"
+TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
+-DANDROID_NO_TERMUX=OFF
+-DWITH_OPENEXR=OFF
+-DBUILD_PROTOBUF=OFF
+-DPROTOBUF_UPDATE_FILES=ON
+"
+
+termux_step_pre_configure() {
+	termux_setup_protobuf
+
+	LDFLAGS+=" -llog"
+
+	find "$TERMUX_PKG_SRCDIR" -name CMakeLists.txt -o -name '*.cmake' | \
+		xargs -n 1 sed -i \
+		-e 's/\([^A-Za-z0-9_]ANDROID\)\([^A-Za-z0-9_]\)/\1_NO_TERMUX\2/g' \
+		-e 's/\([^A-Za-z0-9_]ANDROID\)$/\1_NO_TERMUX/g'
+
+	_NEED_DUMMY_LIBPTHREAD_A=
+	_LIBPTHREAD_A=$TERMUX_PREFIX/lib/libpthread.a
+	if [ ! -e $_LIBPTHREAD_A ]; then
+		_NEED_DUMMY_LIBPTHREAD_A=true
+		echo '!<arch>' > $_LIBPTHREAD_A
+	fi
+	_NEED_DUMMY_LIBRT_A=
+	_LIBRT_A=$TERMUX_PREFIX/lib/librt.a
+	if [ ! -e $_LIBRT_A ]; then
+		_NEED_DUMMY_LIBRT_A=true
+		echo '!<arch>' > $_LIBRT_A
+	fi
+}
+
+termux_step_post_make_install() {
+	if [ $_NEED_DUMMY_LIBPTHREAD_A ]; then
+		rm -f $_LIBPTHREAD_A
+	fi
+	if [ $_NEED_DUMMY_LIBRT_A ]; then
+		rm -f $_LIBRT_A
+	fi
+}