add dependency support

Author: TheLartians

CMakeLists.txt

@@ -8,7 +8,7 @@ set(
 
 function(packageProject)
 
-  cmake_parse_arguments(PROJECT "" "NAME;VERSION;INCLUDE_DIR;INCLUDE_DESTINATION;BINARY_DIR" "" ${ARGN})
+  cmake_parse_arguments(PROJECT "" "NAME;VERSION;INCLUDE_DIR;INCLUDE_DESTINATION;BINARY_DIR;DEPENDENCIES" "" ${ARGN})
 
   include(CMakePackageConfigHelpers)
 

Config.cmake.in

@@ -1,5 +1,10 @@
 @PACKAGE_INIT@
 
 include(CMakeFindDependencyMacro)
+
+foreach(dependency @PROJECT_DEPENDENCIES@)
+  find_dependency(${dependency})
+endforeach()
+
 include("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake")
 check_required_components("@PROJECT_NAME@")

README.md

@@ -14,7 +14,7 @@ See [here](https://github.com/TheLartians/ModernCppStarter/blob/master/CMakeList
 CPMAddPackage(
   NAME PackageProject.cmake
   GITHUB_REPOSITORY TheLartians/PackageProject.cmake
-  VERSION 1.0
+  VERSION 1.1
 )
 
 packageProject(
@@ -28,6 +28,8 @@ packageProject(
   INCLUDE_DIR ${PROJECT_SOURCE_DIR}/include
   # should match the target's INSTALL_INTERFACE include directory
   INCLUDE_DESTINATION include/${PROJECT_NAME}-${PROJECT_VERSION}
+  # comma separated list of all dependencies
+  DEPENDENCIES ""
 )
 ```