From: Jan Engelhardt <jengelh@inai.de>
Date: 2019-12-18 23:10:30.098185171 +0100

Use GME system libraries instead of bundled code.

---
 CMakeLists.txt                  |   13 ++++---------
 libraries/zmusic/CMakeLists.txt |    2 +-
 2 files changed, 5 insertions(+), 10 deletions(-)

Index: gzdoom-g4.3.1/CMakeLists.txt
===================================================================
--- gzdoom-g4.3.1.orig/CMakeLists.txt
+++ gzdoom-g4.3.1/CMakeLists.txt
@@ -196,12 +196,7 @@ endif()
 #endif()
 
 # GME
-#find_path( GME_INCLUDE_DIR gme/gme.h )
-#find_library( GME_LIBRARIES gme )
-#mark_as_advanced( GME_INCLUDE_DIR GME_LIBRARIES )
-#FIND_PACKAGE_HANDLE_STANDARD_ARGS( GME
-#	REQUIRED_VARS GME_LIBRARIES GME_INCLUDE_DIR
-#)
+pkg_check_modules(GME libgme)
 
 if( MSVC )
 	# Eliminate unreferenced functions and data
@@ -325,7 +320,7 @@ set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_
 option(FORCE_INTERNAL_ZLIB "Use internal zlib")
 option(FORCE_INTERNAL_JPEG "Use internal jpeg")
 option(FORCE_INTERNAL_BZIP2 "Use internal bzip2")
-option(FORCE_INTERNAL_GME "Use internal gme" ON)
+option(FORCE_INTERNAL_GME "Use internal gme" OFF)
 mark_as_advanced( FORCE_INTERNAL_GME )
 option(FORCE_INTERNAL_ASMJIT "Use internal asmjit" ON)
 mark_as_advanced( FORCE_INTERNAL_ASMJIT )
@@ -391,14 +386,14 @@ else()
 endif()
 
 if( GME_FOUND AND NOT FORCE_INTERNAL_GME )
-	message( STATUS "Using system gme library, includes found at ${GME_INCLUDE_DIR}" )
+	message( STATUS "Using system gme library, includes found at ${GME_INCLUDEDIR}" )
 else()
 	message( STATUS "Using internal gme library" )
 	# Use MAME as it's balanced emulator: well-accurate, but doesn't eats lot of CPU
 	# Nuked OPN2 is very accurate emulator, but it eats too much CPU for the workflow
 	set( GME_YM2612_EMU "MAME" )
 	add_subdirectory( libraries/game-music-emu )
-	set( GME_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/libraries/game-music-emu" )
+	set( GME_INCLUDEDIR "${CMAKE_CURRENT_SOURCE_DIR}/libraries/game-music-emu" )
 	set( GME_LIBRARIES gme )
 endif()
 
Index: gzdoom-g4.3.1/libraries/zmusic/CMakeLists.txt
===================================================================
--- gzdoom-g4.3.1.orig/libraries/zmusic/CMakeLists.txt
+++ gzdoom-g4.3.1/libraries/zmusic/CMakeLists.txt
@@ -46,7 +46,7 @@ else()
 endif()
 
 
-include_directories( "${CMAKE_CURRENT_SOURCE_DIR}/../libraries/dumb/include" "${ZLIB_INCLUDE_DIR}" "${ADL_INCLUDE_DIR}" "${OPN_INCLUDE_DIR}" "${TIMIDITYPP_INCLUDE_DIR}" "${TIMIDITY_INCLUDE_DIR}" "${WILDMIDI_INCLUDE_DIR}" "${OPLSYNTH_INCLUDE_DIR}" "${GME_INCLUDE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}" )
+include_directories( "${CMAKE_CURRENT_SOURCE_DIR}/../libraries/dumb/include" "${ZLIB_INCLUDE_DIR}" "${ADL_INCLUDE_DIR}" "${OPN_INCLUDE_DIR}" "${TIMIDITYPP_INCLUDE_DIR}" "${TIMIDITY_INCLUDE_DIR}" "${WILDMIDI_INCLUDE_DIR}" "${OPLSYNTH_INCLUDE_DIR}" "${GME_INCLUDEDIR}" "${CMAKE_CURRENT_SOURCE_DIR}" )
 
 if (WIN32)
     set( PLAT_SOURCES