[platformfolders] Support shared library

recipes/platformfolders/all/conanfile.py

@@ -2,6 +2,7 @@
 from conan.tools.build import check_min_cppstd
 from conan.tools.cmake import CMakeToolchain, CMake, cmake_layout
 from conan.tools.files import copy, get, rmdir
+from conan.tools.microsoft import is_msvc
 from conan.errors import ConanInvalidConfiguration
 import os
 
@@ -13,14 +14,16 @@ class PlatformFoldersConan(ConanFile):
     license = "MIT"
     homepage = "https://github.com/sago007/PlatformFolders"
     url = "https://github.com/conan-io/conan-center-index"
-    description = "A C++ library to look for special directories like \"My Documents\" and \"%APPDATA%\" so that you do not need to write Linux, Windows or Mac OS X specific code"
+    description = "A C++ library to look for special directories like My Documents and APPDATA so that you do not need to write Linux, Windows or Mac OS X specific code"
     topics = ("multi-platform", "xdg", "standardpaths", "special-folders")
-    package_type = "static-library"
+    package_type = "library"
     settings = "os", "arch", "compiler", "build_type"
     options = {
+        "shared": [True, False],
         "fPIC": [True, False],
     }
     default_options = {
+        "shared": False,
         "fPIC": True,
     }
 
@@ -31,25 +34,29 @@ def _minimum_cpp_standard(self):
     def validate(self):
         if self.settings.compiler.cppstd:
             check_min_cppstd(self, self._minimum_cpp_standard)
-        if not self.settings.os in ("Windows", "Macos", "Linux"):
-            raise ConanInvalidConfiguration("This library only supports Windows, macOS and Linux")
+        if is_msvc(self) and self.options.shared:
+            # See https://github.com/sago007/PlatformFolders/pull/29
+            raise ConanInvalidConfiguration(f"{self.ref} does not support shared libraries with MSVC.")
 
     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")
+
     def layout(self):
         cmake_layout(self, src_folder="src")
 
-    def build_requirements(self):
-        self.tool_requires("cmake/[>=3.1 <4]")
-
     def source(self):
         get(self, **self.conan_data["sources"][self.version], strip_root=True)
 
     def generate(self):
         tc = CMakeToolchain(self)
         tc.variables["PLATFORMFOLDERS_BUILD_TESTING"] = False
+        tc.variables["PLATFORMFOLDERS_BUILD_SHARED_LIBS"] = self.options.shared
+        tc.variables["PLATFORMFOLDERS_ENABLE_INSTALL"] = True
         tc.generate()
 
     def build(self):
@@ -67,4 +74,6 @@ def package(self):
 
     def package_info(self):
         self.cpp_info.libs = ["platform_folders"]
-
+        self.cpp_info.set_property("cmake_file_name", "platform_folders")
+        self.cpp_info.set_property("cmake_target_name", "sago::platform_folders")
+        self.cpp_info.set_property("cmake_target_aliases", ["platform_folders"])

recipes/platformfolders/all/test_package/CMakeLists.txt

@@ -1,8 +1,8 @@
 cmake_minimum_required(VERSION 3.15)
 project(test_package LANGUAGES CXX)
 
-find_package(platformfolders REQUIRED CONFIG)
+find_package(platform_folders REQUIRED CONFIG)
 
 add_executable(${PROJECT_NAME} test_package.cpp)
-target_link_libraries(${PROJECT_NAME} PRIVATE platformfolders::platformfolders)
+target_link_libraries(${PROJECT_NAME} PRIVATE sago::platform_folders)
 target_compile_features(${PROJECT_NAME} PRIVATE cxx_std_11)

recipes/platformfolders/all/test_package/conanfile.py

@@ -14,7 +14,7 @@ def layout(self):
         cmake_layout(self)
 
     def requirements(self):
-        self.requires(self.tested_reference_str, run=can_run(self))
+        self.requires(self.tested_reference_str)
 
     def build(self):
         cmake = CMake(self)