From 28882b70ca6090adec7a3f99db0989aad012db33 Mon Sep 17 00:00:00 2001
From: Dennis Klein <d.klein@gsi.de>
Date: Thu, 27 Jun 2019 12:23:48 +0200
Subject: [PATCH] CMake: Add dependency summary

---
 CMakeLists.txt | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index aafa5d2..673e2ac 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -133,6 +133,48 @@ if(CMAKE_CONFIGURATION_TYPES)
   message(STATUS "  ")
   message(STATUS "  (Change the build type with ${BMagenta}-DCMAKE_BUILD_TYPE=...${CR})")
 endif()
+if(PROJECT_PACKAGE_DEPENDENCIES)
+  message(STATUS "  ")
+  message(STATUS "  ${Cyan}DEPENDENCY FOUND     VERSION                   PREFIX${CR}")
+  foreach(dep IN LISTS PROJECT_PACKAGE_DEPENDENCIES)
+    if(${dep}_VERSION)
+      if(${dep} STREQUAL Boost)
+        if(Boost_VERSION_MAJOR)
+          set(version_str "${BGreen}${${dep}_VERSION_MAJOR}.${${dep}_VERSION_MINOR}${CR}")
+        else()
+          set(version_str "${BGreen}${${dep}_MAJOR_VERSION}.${${dep}_MINOR_VERSION}${CR}")
+        endif()
+      else()
+        set(version_str "${BGreen}${${dep}_VERSION}${CR}")
+      endif()
+    else()
+      set(version_str "${BYellow}unknown${CR}")
+    endif()
+    if(PROJECT_${dep}_VERSION)
+      set(version_req_str " (>= ${PROJECT_${dep}_VERSION})")
+    endif()
+    pad(${dep} 20 " " dep_padded)
+    if(DISABLE_COLOR)
+      pad("${version_str}${version_req_str}" 25 " " version_padded)
+    else()
+      pad("${version_str}${version_req_str}" 25 " " version_padded COLOR 1)
+    endif()
+    if(${dep} STREQUAL Boost)
+      if(TARGET Boost::headers)
+        get_target_property(boost_include Boost::headers INTERFACE_INCLUDE_DIRECTORIES)
+      else()
+        get_target_property(boost_include Boost::boost INTERFACE_INCLUDE_DIRECTORIES)
+      endif()
+      get_filename_component(prefix ${boost_include}/.. ABSOLUTE)
+    else()
+      get_filename_component(prefix ${${dep}_INCLUDE_DIR}/.. ABSOLUTE)
+    endif()
+    message(STATUS "  ${BWhite}${dep_padded}${CR}${version_padded}${prefix}")
+    unset(version_str)
+    unset(version_padded)
+    unset(version_req_str)
+  endforeach()
+endif()
 message(STATUS "  ")
 message(STATUS "  ${Cyan}COMPONENT  BUILT?  INFO${CR}")
 message(STATUS "  ${BWhite}library${CR}     ${BGreen}YES${CR}    (default, always built)")