From 04debdd3f57518aea2d931ce481753103fc05f54 Mon Sep 17 00:00:00 2001
From: Manuel Bentele
Date: Tue, 13 Oct 2020 14:56:57 +0200
Subject: [FUSE] turn on compiler optimization to fix warning

This change enables compiler optimization (-O2) in Release builds to fix
the following error warning:

  _FORTIFY_SOURCE requires compiling with optimization (-O)
---
 CMakeLists.txt | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 89a44eb..079fd9b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -52,7 +52,7 @@ endmacro()
 # Common for gcc and clang
 #SET(CMAKE_EXE_LINKER_FLAGS "-Wl,-z,relro,-z,now,-z,defs -pie")
 SET(CMAKE_C_FLAGS_RELEASE "-DNDEBUG")
-SET(CMAKE_C_FLAGS "-std=c11 -Wno-multichar -fno-strict-aliasing -D_GNU_SOURCE -D_FORTIFY_SOURCE=2 ${EXTRA_C_FLAGS}")
+SET(CMAKE_C_FLAGS "-O2 -std=c11 -Wno-multichar -fno-strict-aliasing -D_GNU_SOURCE -D_FORTIFY_SOURCE=2 ${EXTRA_C_FLAGS}")
 # Hardening. Try as much as is possible.
 #TRY_ADD_FLAG("-mmitigate-rop")
 #TRY_ADD_FLAG("-fstack-protector-strong")
@@ -62,10 +62,10 @@ SET(CMAKE_C_FLAGS "-std=c11 -Wno-multichar -fno-strict-aliasing -D_GNU_SOURCE -D
 #TRY_ADD_FLAG("-Werror=format-security")
 if(CMAKE_C_COMPILER MATCHES "clang")
 	message( "Using clang flags." )
-	SET(CMAKE_C_FLAGS_DEBUG " -O1 -fno-omit-frame-pointer -g -Wall -Wextra -Wpedantic -Wno-unused-result -D_DEBUG")
+	SET(CMAKE_C_FLAGS_DEBUG " -Og -fno-omit-frame-pointer -g -Wall -Wextra -Wpedantic -Wno-unused-result -D_DEBUG")
 elseif (CMAKE_C_COMPILER MATCHES "(cc-)|(cc$)")
 	message( "Using (g)cc flags." )
-	SET(CMAKE_C_FLAGS_DEBUG " -O0 -g -Wall -Wextra -Wpedantic -Wconversion -Wno-sign-conversion -D_DEBUG")
+	SET(CMAKE_C_FLAGS_DEBUG " -Og -g -Wall -Wextra -Wpedantic -Wconversion -Wno-sign-conversion -D_DEBUG")
 else()
 	message( FATAL_ERROR "Could not determine compiler type." )
 endif()
-- 
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