devilutionX: fix build with ninja

srcpkgs/devilutionX/patches/201c6fe89ea1977aa296277694a6e94314aca0a8.patch

@@ -0,0 +1,30 @@
+From 201c6fe89ea1977aa296277694a6e94314aca0a8 Mon Sep 17 00:00:00 2001
+From: Alex Sweet <sweet.giorni@gmail.com>
+Date: Mon, 23 Mar 2020 01:59:33 -0700
+Subject: [PATCH] Fix ninja-build build error
+
+---
+ CMakeLists.txt | 10 ++++++++--
+ 1 file changed, 8 insertions(+), 2 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index a8f0c4492..89051b7bc 100644
+--- CMakeLists.txt
++++ CMakeLists.txt
+@@ -502,8 +502,14 @@ endif()
+ 
+ if(NOT CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
+   # Change __FILE__ to only show the path relative to the project folder
+-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-builtin-macro-redefined -D'__FILE__=\"$(subst $(realpath ${CMAKE_SOURCE_DIR})/,,$(abspath $<))\"'")
+-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-builtin-macro-redefined -D'__FILE__=\"$(subst $(realpath ${CMAKE_SOURCE_DIR})/,,$(abspath $<))\"'")
++  get_target_property(devilution_SRCS devilution SOURCES)
++  foreach(SOURCE_FILE ${devilution_SRCS} ${devilutionx_SRCS})
++    set_source_files_properties(${SOURCE_FILE} PROPERTIES
++      COMPILE_DEFINITIONS __FILE__="${SOURCE_FILE}"
++    )
++  endforeach(SOURCE_FILE)
++  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-builtin-macro-redefined")
++  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-builtin-macro-redefined")
+ 
+   if(DEBUG)
+     # Note: For Valgrind suppor.