From 400db384794c0e8aa44cf26640048685682ced49 Mon Sep 17 00:00:00 2001
From: Amine Khaldi <amine.khaldi@reactos.org>
Date: Sat, 14 Mar 2015 15:47:04 +0000
Subject: [PATCH] [CMAKE/GCC] Prevent GCC from searching any of the default
 directories, except when we're dealing with set_cpp. Now GCC build is on par
 with the MSVC build in terms of header inclusions.

svn path=/trunk/; revision=66707
---
 reactos/cmake/CMakeMacros.cmake | 2 ++
 reactos/cmake/gcc.cmake         | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/reactos/cmake/CMakeMacros.cmake b/reactos/cmake/CMakeMacros.cmake
index c6824caabea..4b9291540f2 100644
--- a/reactos/cmake/CMakeMacros.cmake
+++ b/reactos/cmake/CMakeMacros.cmake
@@ -72,6 +72,8 @@ macro(set_cpp)
         if(MSVC)
             add_definitions(-DNATIVE_CPP_INCLUDE=${REACTOS_SOURCE_DIR}/include/c++)
             include_directories(${REACTOS_SOURCE_DIR}/include/c++/stlport)
+        else()
+            replace_compile_flags("-nostdinc" " ")
         endif()
     endif()
 
diff --git a/reactos/cmake/gcc.cmake b/reactos/cmake/gcc.cmake
index 7b7bb5d56d7..25c451ccd29 100644
--- a/reactos/cmake/gcc.cmake
+++ b/reactos/cmake/gcc.cmake
@@ -38,6 +38,10 @@ endif()
 
 # Compiler Core
 add_compile_flags("-pipe -fms-extensions -fno-strict-aliasing")
+
+# Prevent GCC from searching any of the default directories
+add_compile_flags("-nostdinc")
+
 if(GCC_VERSION VERSION_GREATER 4.7)
     add_compile_flags("-mstackrealign")
 endif()