[DO-971] ffmpeg recipe with requirements (!9)

Co-authored-by: aleksandr.vodyanov <aleksandr.vodyanov@avroid.tech>
Reviewed-on: https://git.avroid.tech/Conan/conan_build/pulls/9

recipes/openjpeg/all/conandata.yml

@@ -0,0 +1,21 @@
+sources:
+  "2.5.2":
+    url: "ssh://git@git.avroid.tech:2222/Mirrors/openjpeg"
+    branch: "v2.5.2"
+  "2.5.1":
+    url: "ssh://git@git.avroid.tech:2222/Mirrors/openjpeg"
+    branch: "v2.5.1"
+  "2.5.0":
+    url: "ssh://git@git.avroid.tech:2222/Mirrors/openjpeg"
+    branch: "v2.5.0"
+  "2.4.0":
+    url: "ssh://git@git.avroid.tech:2222/Mirrors/openjpeg"
+    branch: "v2.4.0"
+  "2.3.1":
+    url: "ssh://git@git.avroid.tech:2222/Mirrors/openjpeg"
+    branch: "v2.3.1"
+patches:
+  "2.4.0":
+    - patch_file: "patches/0001-relocatable-shared-macos-2.4.0.patch"
+  "2.3.1":
+    - patch_file: "patches/0001-relocatable-shared-macos-2.3.1.patch"

recipes/openjpeg/all/conanfile.py

@@ -0,0 +1,166 @@
+from conan import ConanFile
+from conan.tools.cmake import CMake, CMakeToolchain, cmake_layout
+from conan.tools.files import apply_conandata_patches, copy, export_conandata_patches, get, rmdir, save, replace_in_file
+from conan.tools.scm import Version, Git
+import os
+import textwrap
+
+required_conan_version = ">=1.54.0"
+
+
+class OpenjpegConan(ConanFile):
+    name = "openjpeg"
+    description = "OpenJPEG is an open-source JPEG 2000 codec written in C language."
+    license = "BSD-2-Clause"
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://github.com/uclouvain/openjpeg"
+    topics = ("jpeg2000", "jp2", "openjpeg", "image", "multimedia", "format", "graphics")
+    package_type = "library"
+    settings = "os", "arch", "compiler", "build_type"
+    options = {
+        "shared": [True, False],
+        "fPIC": [True, False],
+        "build_codec": [True, False],
+    }
+    default_options = {
+        "shared": False,
+        "fPIC": True,
+        "build_codec": False,
+    }
+
+    def export_sources(self):
+        export_conandata_patches(self)
+
+    def config_options(self):
+        if self.settings.os == "Windows":
+            del self.options.fPIC
+
+    def configure(self):
+        if self.options.shared:
+            self.options.rm_safe("fPIC")
+        self.settings.rm_safe("compiler.cppstd")
+        self.settings.rm_safe("compiler.libcxx")
+
+    def layout(self):
+        cmake_layout(self, src_folder="src")
+
+    def package_id(self):
+        del self.info.options.build_codec # not used for the moment
+
+    def source(self):
+        #get(self, **self.conan_data["sources"][self.version], strip_root=True)
+        git = Git(self)
+        sources = self.conan_data["sources"][self.version]
+        clone_args = ['--depth', '1', '--branch', sources["branch"]]
+        git.clone(url=sources["url"], target=self.source_folder, args=clone_args)
+
+    def generate(self):
+        tc = CMakeToolchain(self)
+        tc.variables["CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS_SKIP"] = True
+        tc.variables["BUILD_DOC"] = False
+        tc.variables["BUILD_STATIC_LIBS"] = not self.options.shared
+        tc.variables["BUILD_LUTS_GENERATOR"] = False
+        tc.variables["BUILD_CODEC"] = False
+        if Version(self.version) < "2.5.0":
+            tc.variables["BUILD_MJ2"] = False
+            tc.variables["BUILD_JPWL"] = False
+            tc.variables["BUILD_JP3D"] = False
+        tc.variables["BUILD_JPIP"] = False
+        tc.variables["BUILD_VIEWER"] = False
+        tc.variables["BUILD_JAVA"] = False
+        tc.variables["BUILD_TESTING"] = False
+        tc.variables["BUILD_PKGCONFIG_FILES"] = False
+        tc.variables["OPJ_DISABLE_TPSOT_FIX"] = False
+        tc.variables["OPJ_USE_THREAD"] = True
+        tc.generate()
+
+    def _patch_sources(self):
+        apply_conandata_patches(self)
+        # The finite-math-only optimization has no effect and can cause linking errors
+        # when linked against glibc >= 2.31
+        replace_in_file(self, os.path.join(self.source_folder, "CMakeLists.txt"),
+                        "-ffast-math", "-ffast-math;-fno-finite-math-only")
+
+    def build(self):
+        self._patch_sources()
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def package(self):
+        copy(self, "LICENSE", src=self.source_folder, dst=os.path.join(self.package_folder, "licenses"))
+        cmake = CMake(self)
+        cmake.install()
+        rmdir(self, os.path.join(self.package_folder, "lib", self._openjpeg_subdir))
+        rmdir(self, os.path.join(self.package_folder, "lib", "cmake", self._openjpeg_subdir))
+        rmdir(self, os.path.join(self.package_folder, "lib", "pkgconfig"))
+        self._create_cmake_module_variables(
+            os.path.join(self.package_folder, self._module_vars_rel_path)
+        )
+        # TODO: to remove in conan v2 once cmake_find_package* & pkg_config generators removed
+        self._create_cmake_module_alias_targets(
+            os.path.join(self.package_folder, self._module_target_rel_path),
+            {"openjp2": "OpenJPEG::OpenJPEG"}
+        )
+
+    def _create_cmake_module_variables(self, module_file):
+        content = textwrap.dedent(f"""\
+            set(OPENJPEG_FOUND TRUE)
+            if(DEFINED OpenJPEG_INCLUDE_DIRS)
+                set(OPENJPEG_INCLUDE_DIRS ${{OpenJPEG_INCLUDE_DIRS}})
+            endif()
+            if(DEFINED OpenJPEG_LIBRARIES)
+                set(OPENJPEG_LIBRARIES ${{OpenJPEG_LIBRARIES}})
+            endif()
+            set(OPENJPEG_MAJOR_VERSION "{Version(self.version).major}")
+            set(OPENJPEG_MINOR_VERSION "{Version(self.version).minor}")
+            set(OPENJPEG_BUILD_VERSION "{Version(self.version).patch}")
+            set(OPENJPEG_BUILD_SHARED_LIBS {"TRUE" if self.options.shared else "FALSE"})
+        """)
+        save(self, module_file, content)
+
+    def _create_cmake_module_alias_targets(self, module_file, targets):
+        content = ""
+        for alias, aliased in targets.items():
+            content += textwrap.dedent(f"""\
+                if(TARGET {aliased} AND NOT TARGET {alias})
+                    add_library({alias} INTERFACE IMPORTED)
+                    set_property(TARGET {alias} PROPERTY INTERFACE_LINK_LIBRARIES {aliased})
+                endif()
+            """)
+        save(self, module_file, content)
+
+    @property
+    def _module_vars_rel_path(self):
+        return os.path.join("lib", "cmake", f"conan-official-{self.name}-variables.cmake")
+
+    @property
+    def _module_target_rel_path(self):
+        return os.path.join("lib", "cmake", f"conan-official-{self.name}-targets.cmake")
+
+    @property
+    def _openjpeg_subdir(self):
+        openjpeg_version = Version(self.version)
+        return f"openjpeg-{openjpeg_version.major}.{openjpeg_version.minor}"
+
+    def package_info(self):
+        self.cpp_info.set_property("cmake_file_name", "OpenJPEG")
+        self.cpp_info.set_property("cmake_target_name", "openjp2")
+        self.cpp_info.set_property("cmake_build_modules", [self._module_vars_rel_path])
+        self.cpp_info.set_property("pkg_config_name", "libopenjp2")
+        self.cpp_info.includedirs.append(os.path.join("include", self._openjpeg_subdir))
+        self.cpp_info.builddirs.append(os.path.join("lib", "cmake"))
+        self.cpp_info.libs = ["openjp2"]
+        if self.settings.os == "Windows" and not self.options.shared:
+            self.cpp_info.defines.append("OPJ_STATIC")
+        if self.settings.os in ["Linux", "FreeBSD"]:
+            self.cpp_info.system_libs = ["pthread", "m"]
+        elif self.settings.os == "Android":
+            self.cpp_info.system_libs = ["m"]
+
+        # TODO: to remove in conan v2 once cmake_find_package* & pkg_config generators removed
+        self.cpp_info.names["cmake_find_package"] = "OpenJPEG"
+        self.cpp_info.names["cmake_find_package_multi"] = "OpenJPEG"
+        self.cpp_info.build_modules["cmake_find_package"] = [self._module_target_rel_path]
+        self.cpp_info.build_modules["cmake_find_package_multi"] = [self._module_target_rel_path]
+        self.cpp_info.names["pkg_config"] = "libopenjp2"

recipes/openjpeg/all/patches/0001-relocatable-shared-macos-2.3.1.patch

@@ -0,0 +1,11 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -154,7 +154,7 @@ if(NOT OPENJPEG_INSTALL_PACKAGE_DIR)
+   set(OPENJPEG_INSTALL_PACKAGE_DIR "${OPENJPEG_INSTALL_LIB_DIR}/${OPENJPEG_INSTALL_SUBDIR}")
+ endif()
+ 
+-if (APPLE)
++if (0)
+ 	list(APPEND OPENJPEG_LIBRARY_PROPERTIES INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/${OPENJPEG_INSTALL_LIB_DIR}")
+ 	option(OPJ_USE_DSYMUTIL "Call dsymutil on binaries after build." OFF)
+ endif()

recipes/openjpeg/all/patches/0001-relocatable-shared-macos-2.4.0.patch

@@ -0,0 +1,11 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -155,7 +155,7 @@ if(NOT OPENJPEG_INSTALL_PACKAGE_DIR)
+   set(OPENJPEG_INSTALL_PACKAGE_DIR "${OPENJPEG_INSTALL_LIB_DIR}/${OPENJPEG_INSTALL_SUBDIR}")
+ endif()
+ 
+-if (APPLE)
++if (0)
+ 	list(APPEND OPENJPEG_LIBRARY_PROPERTIES INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/${OPENJPEG_INSTALL_LIB_DIR}")
+ 	option(OPJ_USE_DSYMUTIL "Call dsymutil on binaries after build." OFF)
+ endif()

recipes/openjpeg/all/test_package/CMakeLists.txt

@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.1)
+project(test_package LANGUAGES C)
+
+find_package(OpenJPEG REQUIRED CONFIG)
+
+add_executable(${PROJECT_NAME} test_package.c)
+target_link_libraries(${PROJECT_NAME} PRIVATE openjp2)
+
+# Test whether variables from https://github.com/uclouvain/openjpeg/blob/master/cmake/OpenJPEGConfig.cmake.in are properly defined
+set(_custom_vars
+    OPENJPEG_FOUND
+    OPENJPEG_INCLUDE_DIRS
+    OPENJPEG_LIBRARIES
+    OPENJPEG_MAJOR_VERSION
+    OPENJPEG_MINOR_VERSION
+    OPENJPEG_BUILD_VERSION
+    OPENJPEG_BUILD_SHARED_LIBS
+)
+foreach(_custom_var ${_custom_vars})
+    if(DEFINED ${_custom_var})
+        message(STATUS "${_custom_var}: ${${_custom_var}}")
+    else()
+        message(FATAL_ERROR "${_custom_var} not defined")
+    endif()
+endforeach()

recipes/openjpeg/all/test_package/conanfile.py

@@ -0,0 +1,26 @@
+from conan import ConanFile
+from conan.tools.build import can_run
+from conan.tools.cmake import CMake, cmake_layout
+import os
+
+
+class TestPackageConan(ConanFile):
+    settings = "os", "arch", "compiler", "build_type"
+    generators = "CMakeToolchain", "CMakeDeps", "VirtualRunEnv"
+    test_type = "explicit"
+
+    def layout(self):
+        cmake_layout(self)
+
+    def requirements(self):
+        self.requires(self.tested_reference_str)
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if can_run(self):
+            bin_path = os.path.join(self.cpp.build.bindirs[0], "test_package")
+            self.run(bin_path, env="conanrun")

recipes/openjpeg/all/test_package/test_package.c

@@ -0,0 +1,12 @@
+#include <openjpeg.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+
+int main() {
+    printf("opj_has_thread_support: %d\n", opj_has_thread_support());
+    printf("opj_get_num_cpus: %d\n", opj_get_num_cpus());
+
+    return EXIT_SUCCESS;
+}