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cmake: add option to disable -isystem 

Alternative to #1811, this seems like it should be fixed upstream
in gcc/cmake rather than individual packages
This commit is contained in:
Tony Theodore 2017-07-25 21:09:02 +10:00
parent d127d63668
commit e9003e3fed
1 changed files with 27 additions and 0 deletions
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27
src/cmake-1-fixes.patch
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@ -17,3 +17,30 @@ index 1111111..2222222 100644
@@ -1 +1 @@
-set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> -O coff <DEFINES> <INCLUDES> <FLAGS> <SOURCE> <OBJECT>")
+set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> -O coff <DEFINES> <INCLUDES> <SOURCE> <OBJECT>")
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Tony Theodore <tonyt@logyst.com>
Date: Tue, 25 Jul 2017 20:34:56 +1000
Subject: [PATCH] add option to disable -isystem
taken from (not accepted):
https://gitlab.kitware.com/cmake/cmake/merge_requests/895
see also:
https://gitlab.kitware.com/cmake/cmake/issues/16291
https://gitlab.kitware.com/cmake/cmake/issues/16919
diff --git a/Modules/Compiler/GNU.cmake b/Modules/Compiler/GNU.cmake
index 1111111..2222222 100644
--- a/Modules/Compiler/GNU.cmake
+++ b/Modules/Compiler/GNU.cmake
@@ -42,7 +42,7 @@ macro(__compiler_gnu lang)
string(APPEND CMAKE_${lang}_FLAGS_RELWITHDEBINFO_INIT " -O2 -g -DNDEBUG")
set(CMAKE_${lang}_CREATE_PREPROCESSED_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
set(CMAKE_${lang}_CREATE_ASSEMBLY_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>")
- if(NOT APPLE OR NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 4) # work around #4462
+ if(NOT APPLE OR NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 4 AND (NOT MXE_DISABLE_INCLUDE_SYSTEM_FLAG)) # work around #4462
set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang} "-isystem ")
endif()
endmacro()