refactor: support system and bundled cmark

Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>

.gitmodules

@@ -16,3 +16,6 @@
 [submodule "libraries/extra-cmake-modules"]
 	path = libraries/extra-cmake-modules
 	url = https://github.com/KDE/extra-cmake-modules
+[submodule "libraries/cmark"]
+	path = libraries/cmark
+	url = https://github.com/commonmark/cmark.git

CMakeLists.txt

@@ -266,6 +266,9 @@ if(NOT Launcher_FORCE_BUNDLED_LIBS)
 
     # Find ghc_filesystem
     find_package(ghc_filesystem QUIET)
+
+    # Find cmark
+    find_package(cmark QUIET)
 endif()
 
 include(ECMQtDeclareLoggingCategory)
@@ -407,6 +410,16 @@ if(NOT tomlplusplus_FOUND)
 else()
     message(STATUS "Using system tomlplusplus")
 endif()
+if(NOT cmark_FOUND)
+    message(STATUS "Using bundled cmark")
+    set(CMARK_STATIC ON CACHE BOOL "Build static libcmark library" FORCE)
+    set(CMARK_SHARED OFF CACHE BOOL "Build shared libcmark library" FORCE)
+    set(CMARK_TESTS OFF CACHE BOOL "Build cmark tests and enable testing" FORCE)
+    add_subdirectory(libraries/cmark EXCLUDE_FROM_ALL) # Markdown parser
+    add_library(cmark::cmark ALIAS cmark_static)
+else()
+    message(STATUS "Using system cmark")
+endif()
 add_subdirectory(libraries/katabasis) # An OAuth2 library that tried to do too much
 add_subdirectory(libraries/gamemode)
 add_subdirectory(libraries/murmur2) # Hash for usage with the CurseForge API

launcher/CMakeLists.txt

@@ -1043,7 +1043,7 @@ target_link_libraries(Launcher_logic
 )
 target_link_libraries(Launcher_logic
     QuaZip::QuaZip
-    cmark
+    cmark::cmark
     LocalPeer
     Launcher_rainbow
 )

libraries/cmark

@@ -0,0 +1 @@
+Subproject commit a8da5a2f252b96eca60ae8bada1a9ba059a38401