From 6b1e1c62c529a10a93444863288cec80475c8225 Mon Sep 17 00:00:00 2001
From: XMRig <support@xmrig.com>
Date: Tue, 31 Dec 2019 00:56:21 +0700
Subject: [PATCH] Added flags.cmake.

---
 CMakeLists.txt    | 49 +----------------------------------------
 cmake/flags.cmake | 55 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 56 insertions(+), 48 deletions(-)
 create mode 100644 cmake/flags.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 459d5c3..fcec163 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -168,54 +168,7 @@ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake")
 
 find_package(UV REQUIRED)
 
-if ("${CMAKE_BUILD_TYPE}" STREQUAL "")
-    set(CMAKE_BUILD_TYPE Release)
-endif()
-
-set(CMAKE_CXX_STANDARD_REQUIRED ON)
-set(CMAKE_CXX_EXTENSIONS OFF)
-set(CMAKE_CXX_STANDARD 11)
-
-if (CMAKE_BUILD_TYPE STREQUAL "Release")
-    add_definitions(/DNDEBUG)
-endif()
-
-# https://cmake.org/cmake/help/latest/variable/CMAKE_LANG_COMPILER_ID.html
-if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
-
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-class-memaccess")
-
-    if (WIN32)
-        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
-    else()
-        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libgcc -static-libstdc++")
-    endif()
-
-    add_definitions(/D_GNU_SOURCE)
-
-    #set(CMAKE_C_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -gdwarf-2")
-
-    if (WITH_GOOGLE_BREAKPAD)
-        set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -g")
-        set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -g")
-    endif()
-
-elseif (CMAKE_CXX_COMPILER_ID MATCHES MSVC)
-
-    set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /MT /GL")
-    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MT /GL")
-    add_definitions(/D_CRT_SECURE_NO_WARNINGS)
-    add_definitions(/D_CRT_NONSTDC_NO_WARNINGS)
-    add_definitions(/DNOMINMAX)
-
-elseif (CMAKE_CXX_COMPILER_ID MATCHES Clang)
-
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-overloaded-virtual")
-
-endif()
-
+include(cmake/flags.cmake)
 include(cmake/OpenSSL.cmake)
 
 if (WITH_GOOGLE_BREAKPAD)
diff --git a/cmake/flags.cmake b/cmake/flags.cmake
new file mode 100644
index 0000000..685f7d1
--- /dev/null
+++ b/cmake/flags.cmake
@@ -0,0 +1,55 @@
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+set(CMAKE_CXX_STANDARD 11)
+
+set(CMAKE_C_STANDARD 99)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+
+if ("${CMAKE_BUILD_TYPE}" STREQUAL "")
+    set(CMAKE_BUILD_TYPE Release)
+endif()
+
+if (CMAKE_BUILD_TYPE STREQUAL "Release")
+    add_definitions(/DNDEBUG)
+endif()
+
+include(CheckSymbolExists)
+
+if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
+
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-class-memaccess")
+
+    if (WIN32)
+        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
+    else()
+        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libgcc -static-libstdc++")
+    endif()
+
+    add_definitions(/D_GNU_SOURCE)
+
+    if (WITH_GOOGLE_BREAKPAD)
+        set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -g")
+        set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -g")
+    endif()
+
+    if (${CMAKE_VERSION} VERSION_LESS "3.1.0")
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+    endif()
+
+elseif (CMAKE_CXX_COMPILER_ID MATCHES MSVC)
+    set(CMAKE_C_FLAGS_RELEASE "/MT /O2 /Oi /DNDEBUG /GL")
+    set(CMAKE_CXX_FLAGS_RELEASE "/MT /O2 /Oi /DNDEBUG /GL")
+
+    add_definitions(/D_CRT_SECURE_NO_WARNINGS)
+    add_definitions(/D_CRT_NONSTDC_NO_WARNINGS)
+    add_definitions(/DNOMINMAX)
+    add_definitions(/DHAVE_ROTR)
+
+elseif (CMAKE_CXX_COMPILER_ID MATCHES Clang)
+
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-overloaded-virtual")
+
+endif()