From a53c1bfe8b3722113328d62ba20f06d6f0ea08f7 Mon Sep 17 00:00:00 2001
From: James Turner <zakalawe@mac.com>
Date: Sun, 5 Apr 2020 14:04:10 +0100
Subject: [PATCH] CMake logic to export debug symbols

---
 CMakeLists.txt                        |  3 ++-
 CMakeModules/ExportDebugSymbols.cmake | 26 ++++++++++++++++++++++++++
 simgear/CMakeLists.txt                |  3 +++
 3 files changed, 31 insertions(+), 1 deletion(-)
 create mode 100644 CMakeModules/ExportDebugSymbols.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6c7ee245..33eb6c2a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -39,7 +39,7 @@ set(CMAKE_OSX_DEPLOYMENT_TARGET "10.9" CACHE STRING "Minimum OS X deployment ver
 
 # let's use & require C++11 - note these are only functional with CMake 3.1
 # we do manual fallbacks for CMake 3.0 in the compilers section
-set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED YES)
 
 # read 'version' file into a variable (stripping any newlines or spaces)
@@ -137,6 +137,7 @@ if (NOT ENABLE_SIMD AND ENABLE_SIMD_CODE)
 endif()
 
 include (DetectArch)
+include (ExportDebugSymbols)
 
 # until the fstream fix is applied and generally available in OSG,
 # keep the compatability link option as the default
diff --git a/CMakeModules/ExportDebugSymbols.cmake b/CMakeModules/ExportDebugSymbols.cmake
new file mode 100644
index 00000000..2a522abe
--- /dev/null
+++ b/CMakeModules/ExportDebugSymbols.cmake
@@ -0,0 +1,26 @@
+
+
+# placehodler target for other ones to depend upon
+add_custom_target(
+    debug_symbols
+)
+
+function(export_debug_symbols target)
+
+    if (NOT SIMGEAR_SHARED)
+        return()
+    endif()
+
+    if (APPLE)
+        add_custom_target(${target}.dSYM
+            COMMENT "Generating dSYM files for ${target}"
+            COMMAND dsymutil --out=${target}.dSYM $<TARGET_FILE:${target}>
+            DEPENDS $<TARGET_FILE:${target}>
+        ) 
+
+        install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/${target}.dSYM DESTINATION symbols OPTIONAL)
+
+        add_dependencies(debug_symbols ${target}.dSYM)
+    endif()
+
+endfunction()
\ No newline at end of file
diff --git a/simgear/CMakeLists.txt b/simgear/CMakeLists.txt
index 92cb7bab..8162cea3 100644
--- a/simgear/CMakeLists.txt
+++ b/simgear/CMakeLists.txt
@@ -65,6 +65,9 @@ if(SIMGEAR_SHARED)
         set_property(TARGET SimGearScene PROPERTY VERSION   ${SIMGEAR_VERSION})
         set_property(TARGET SimGearScene PROPERTY SOVERSION ${SIMGEAR_SOVERSION})
     endif()
+
+    export_debug_symbols(SimGearCore)
+    export_debug_symbols(SimGearScene)
 else()
     message(STATUS "Library building mode: STATIC LIBRARIES")