(#8379) aravis: Add a new recipe.

* aravis: Add a new recipe.

* aravis: Full package id for gstreamer too.

* aravis: Ensure gstreamer libraries are static/shared.

* aravis: Downgrade glib version.

* aravis: Disable gstreamer plugin for now.

* aravis: Fix MSVC build.

* aravis: Review suggestions.

* aravis: Set glib 'shared' property in configure.

* aravis: Add environment variables for meson to fix glib-compile-resources.

* aravis: Bump versions.

* aravis: Disable macOS builds due to System Integrity Protection issue.

* aravis: Bump version in config.yml as well.

* aravis: Review suggestion. Replace shutil.move() with tools.rename().

recipes/aravis/all/conandata.yml

@@ -0,0 +1,8 @@
+sources:
+  "0.8.20":
+    url: "https://github.com/AravisProject/aravis/releases/download/0.8.20/aravis-0.8.20.tar.xz"
+    sha256: "0c0eb5a76109f29180c09c7e6a23fd403633bf22bbe8468a0ae44995c4449f46"
+patches:
+  "0.8.20":
+    - patch_file: "patches/0.8.19-gst-shared-lib.patch"
+      base_path: "source_subfolder"

recipes/aravis/all/conanfile.py

@@ -0,0 +1,169 @@
+from conans import ConanFile, Meson, RunEnvironment, tools
+from conans.errors import ConanInvalidConfiguration
+import os
+import glob
+
+
+class AravisConan(ConanFile):
+    name = "aravis"
+    license = "LGPL-2.1-or-later"
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://github.com/AravisProject/aravis"
+    description = "A vision library for genicam based cameras."
+    topics = ("usb", "camera")
+    settings = "os", "compiler", "build_type", "arch"
+    options = {
+        "shared": [True, False],
+        "fPIC": [True, False],
+        "usb": [True, False],
+        "packet_socket": [True, False],
+        "gst_plugin": [True, False],
+        "tools": [True, False],
+        "introspection": [True, False]
+    }
+    default_options = {
+        "shared": False,
+        "fPIC": True,
+        "usb": True,
+        "packet_socket": True,
+        "gst_plugin": False,
+        "tools": True,
+        "introspection": False
+    }
+    generators = "pkg_config"
+
+    _meson = None
+
+    @property
+    def _source_subfolder(self):
+        return "source_subfolder"
+
+    @property
+    def _build_subfolder(self):
+        return "build_subfolder"
+
+    @property
+    def _aravis_api_version(self):
+        return ".".join(self.version.split(".")[0:2])
+
+    @property
+    def _is_msvc(self):
+        return self.settings.compiler == "Visual Studio"
+
+    def config_options(self):
+        if self.settings.os == "Windows":
+            del self.options.fPIC
+        if self.settings.os != "Linux":
+            del self.options.packet_socket
+
+    def configure(self):
+        if self.options.shared:
+            del self.options.fPIC
+        self.options["glib"].shared = True
+
+    def validate(self):
+        if self._is_msvc and self.settings.get_safe("compiler.runtime", "").startswith("MT"):
+            raise ConanInvalidConfiguration("Static MT/MTd runtime is not supported on Windows due to GLib issues")
+        if not self.options["glib"].shared and self.options.shared:
+            raise ConanInvalidConfiguration("Shared Aravis cannot link to static GLib")
+        if self.settings.os == "Macos":
+            raise ConanInvalidConfiguration("macOS builds are disabled until conan-io/conan#7324 gets merged to fix macOS SIP issue #8443")
+
+    def build_requirements(self):
+        self.build_requires("meson/0.60.2")
+        self.build_requires("pkgconf/1.7.4")
+        if self.options.introspection:
+            self.build_requires("gobject-introspection/1.70.0")
+
+    def requirements(self):
+        self.requires("glib/2.70.1")
+        self.requires("libxml2/2.9.12")
+        self.requires("zlib/1.2.11")
+        if self.options.usb:
+            self.requires("libusb/1.0.24")
+        if self.options.gst_plugin:
+            self.requires("gstreamer/1.19.2")
+            self.requires("gst-plugins-base/1.19.2")
+
+    def export_sources(self):
+        for patch in self.conan_data.get("patches", {}).get(self.version, []):
+            self.copy(patch["patch_file"])
+
+    def source(self):
+        tools.get(**self.conan_data["sources"][self.version], strip_root=True, destination=self._source_subfolder)
+
+    def _patch_sources(self):
+        for patch in self.conan_data.get("patches", {}).get(self.version, []):
+            tools.patch(**patch)
+
+    def _configure_meson(self):
+        if self._meson:
+            return self._meson
+        defs = dict()
+        defs["wrap_mode"] = "nofallback"
+        defs["usb"] = "enabled" if self.options.usb else "disabled"
+        defs["gst-plugin"] = "enabled" if self.options.gst_plugin else "disabled"
+        defs["packet-socket"] = "enabled" if self.options.get_safe("packet_socket") else "disabled"
+        defs["introspection"] = "enabled" if self.options.introspection else "disabled"
+        defs["viewer"] = "disabled"
+        defs["tests"] = "false"
+        defs["documentation"] = "disabled"
+        if self.settings.get_safe("compiler.runtime"):
+            defs["b_vscrt"] = str(self.settings.compiler.runtime).lower()
+        self._meson = Meson(self)
+        self._meson.configure(defs=defs, source_folder=self._source_subfolder, build_folder=self._build_subfolder)
+        return self._meson
+
+    def build(self):
+        self._patch_sources()
+        with tools.environment_append(RunEnvironment(self).vars):
+            meson = self._configure_meson()
+            meson.build()
+
+    def _fix_library_names(self, path):
+        # https://github.com/mesonbuild/meson/issues/1412
+        if not self.options.shared and self._is_msvc:
+            with tools.chdir(path):
+                for filename_old in glob.glob("*.a"):
+                    filename_new = filename_old[3:-2] + ".lib"
+                    self.output.info("rename %s into %s" % (filename_old, filename_new))
+                    tools.rename(filename_old, filename_new)
+
+    def package(self):
+        self.copy("COPYING", src=self._source_subfolder, dst="licenses", keep_path=False)
+        with tools.environment_append(RunEnvironment(self).vars):
+            meson = self._configure_meson()
+            meson.install()
+
+        self._fix_library_names(os.path.join(self.package_folder, "lib"))
+        if self.options.gst_plugin:
+            self._fix_library_names(os.path.join(self.package_folder, "lib", "gstreamer-1.0"))
+        tools.rmdir(os.path.join(self.package_folder, "lib", "pkgconfig"))
+        tools.remove_files_by_mask(self.package_folder, "*.pdb")
+        if not self.options.tools:
+            tools.remove_files_by_mask(os.path.join(self.package_folder, "bin"), "arv-*")
+
+    def package_id(self):
+        self.info.requires["glib"].full_package_mode()
+        if self.options.gst_plugin:
+            self.info.requires["gstreamer"].full_package_mode()
+            self.info.requires["gst-plugins-base"].full_package_mode()
+
+    def package_info(self):
+        aravis_name = "aravis-{}".format(self._aravis_api_version)
+        self.cpp_info.names["pkg_config"] = aravis_name
+        self.cpp_info.includedirs = [os.path.join("include", aravis_name)]
+        self.cpp_info.libs = [aravis_name]
+        if self.settings.os == "Linux":
+            self.cpp_info.system_libs.extend(["dl", "pthread", "m", "resolv"])
+        elif self.settings.os == "Windows":
+            self.cpp_info.system_libs.extend(["ws2_32", "iphlpapi"])
+
+        if self.options.tools:
+            bin_path = os.path.join(self.package_folder, "bin")
+            self.output.info("Appending PATH environment variable: {}".format(bin_path))
+            self.env_info.PATH.append(bin_path)
+        if self.options.gst_plugin and self.options.shared:
+            gst_plugin_path = os.path.join(self.package_folder, "lib", "gstreamer-1.0")
+            self.output.info("Appending GST_PLUGIN_PATH env var: {}".format(gst_plugin_path))
+            self.env_info.GST_PLUGIN_PATH.append(gst_plugin_path)

recipes/aravis/all/patches/0.8.19-gst-shared-lib.patch

@@ -0,0 +1,11 @@
+--- a/gst/meson.build
++++ b/gst/meson.build
+@@ -15,7 +15,7 @@ gst_c_args = [
+
+ gst_plugin_filename = 'gstaravis.@0@'.format (aravis_api_version)
+
+-gst_plugin = shared_library (gst_plugin_filename,
++gst_plugin = library (gst_plugin_filename,
+ 			     gst_sources, gst_headers,
+ 			     name_suffix: [],
+ 			     link_with: aravis_library,

recipes/aravis/all/test_package/CMakeLists.txt

@@ -0,0 +1,10 @@
+cmake_minimum_required(VERSION 3.1)
+project(test_package LANGUAGES C)
+
+include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+conan_basic_setup(TARGETS)
+
+find_package(aravis REQUIRED CONFIG)
+
+add_executable(${PROJECT_NAME} test_package.c)
+target_link_libraries(${PROJECT_NAME} aravis::aravis)

recipes/aravis/all/test_package/conanfile.py

@@ -0,0 +1,17 @@
+import os
+from conans import ConanFile, CMake, tools
+
+
+class AravisTestConan(ConanFile):
+    settings = "os", "compiler", "build_type", "arch"
+    generators = "cmake", "cmake_find_package_multi"
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if not tools.cross_building(self):
+            bin_path = os.path.join("bin", "test_package")
+            self.run(bin_path, run_environment=True)

recipes/aravis/all/test_package/test_package.c

@@ -0,0 +1,16 @@
+#include <arv.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(int argc, char **argv)
+{
+    printf("Enumerating Aravis interfaces:\n");
+    unsigned int if_count = arv_get_n_interfaces();
+    for (unsigned int if_index = 0; if_index < if_count; if_index++) {
+        const char* if_name = arv_get_interface_id(if_index);
+        if (if_name)
+            printf("* '%s'\n", if_name);
+    }
+    arv_shutdown();
+    return EXIT_SUCCESS;
+}

recipes/aravis/config.yml

@@ -0,0 +1,3 @@
+versions:
+  "0.8.20":
+    folder: all