$OpenBSD: patch-CMakeLists_txt,v 1.6 2020/10/28 14:16:22 bcallah Exp $

Don't try to execute git.
Remove -Werror.

Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -113,25 +113,6 @@ execute_process(
     ERROR_QUIET
 )
 
-# Define current git branch
-execute_process(
-    COMMAND git rev-parse --abbrev-ref HEAD
-    WORKING_DIRECTORY ${ROOT_DIR}
-    OUTPUT_VARIABLE OPENRCT2_BRANCH
-    OUTPUT_STRIP_TRAILING_WHITESPACE
-    ERROR_QUIET
-)
-
-# Define short commit hash
-execute_process(
-    COMMAND git rev-parse --short HEAD
-    WORKING_DIRECTORY ${ROOT_DIR}
-    OUTPUT_VARIABLE OPENRCT2_COMMIT_SHA1_SHORT
-    OUTPUT_STRIP_TRAILING_WHITESPACE
-    ERROR_QUIET
-)
-
-
 # Defines
 if (USE_MMAP)
     add_definitions(-DUSE_MMAP)
@@ -259,7 +240,7 @@ else ()
 
     # Compiler flags
     set(DEBUG_LEVEL 0 CACHE STRING "Select debug level for compilation. Use value in range 0–3.")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fstrict-aliasing -Werror -Wundef -Wmissing-declarations -Winit-self -Wall -Wextra -Wshadow")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fstrict-aliasing -Wundef -Wmissing-declarations -Winit-self -Wall -Wextra -Wshadow")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unknown-pragmas -Wno-missing-braces -Wno-comment -Wnonnull -Wno-unused-parameter")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DDEBUG=${DEBUG_LEVEL}")
 
