From 6c1b9cc682eccae1e655d8037f06c0f516f2f90b Mon Sep 17 00:00:00 2001
From: Jonghyun Park <parjong@gmail.com>
Date: Tue, 6 Dec 2016 10:56:58 +0900
Subject: [PATCH] [x86/Linux] Fix unknown pragma build error (#8427)

---
 src/debug/daccess/nidump.cpp | 2 ++
 src/vm/i386/gmsx86.cpp       | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/src/debug/daccess/nidump.cpp b/src/debug/daccess/nidump.cpp
index 5ba218d..23e76c4 100644
--- a/src/debug/daccess/nidump.cpp
+++ b/src/debug/daccess/nidump.cpp
@@ -9550,8 +9550,10 @@ mdTypeRef NativeImageDumper::FindTypeRefForMT( PTR_MethodTable mt )
 #undef GC_NOTRIGGER
 
 #if defined _DEBUG && defined _TARGET_X86_ 
+#ifdef _MSC_VER
 // disable FPO for checked build
 #pragma optimize("y", off)
+#endif // _MSC_VER
 #endif
 
 #undef _ASSERTE
diff --git a/src/vm/i386/gmsx86.cpp b/src/vm/i386/gmsx86.cpp
index d4b2c0a..75d37ba 100644
--- a/src/vm/i386/gmsx86.cpp
+++ b/src/vm/i386/gmsx86.cpp
@@ -42,7 +42,9 @@
    
 #if !defined(DACCESS_COMPILE)
 
+#ifdef _MSC_VER
 #pragma optimize("gsy", on )        // optimize to insure that code generation does not have junk in it
+#endif // _MSC_VER
 #pragma warning(disable:4717) 
 
 static int __stdcall zeroFtn() {
@@ -62,7 +64,9 @@ static int __stdcall recursiveFtn() {
 #pragma clang diagnostic pop
 #endif
 
+#ifdef _MSC_VER
 #pragma optimize("", on )
+#endif // _MSC_VER
 
 
 /* Has mscorwks been instrumented so that calls are morphed into push XXXX call <helper> */
-- 
2.7.4