From c9461f7dbe41ea6989bf65cb86e108a5f6e37878 Mon Sep 17 00:00:00 2001
From: rmaia3d <9812730+rmaia3d@users.noreply.github.com>
Date: Fri, 31 Dec 2021 12:04:10 -0300
Subject: [PATCH] changes so it compiles on Ubuntu 20.04

---
 CMakeLists.txt | 9 ++++++++-
 common/App.cpp | 2 ++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b8bf558..9c01e39 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,9 @@
 cmake_minimum_required(VERSION 3.0.0)
 project(implot_demos VERSION 0.1.0)
 
+set(CMAKE_CXX_STANDARD 17)
+add_compile_options(-O3 -march=native)
+
 ###############################################################################
 # 3RD PARTY LIBS
 ###############################################################################
@@ -82,7 +85,11 @@ add_library(imgui ${IMGUI_HEADERS} ${IMGUI_SRC})
 if(MSVC)
   target_compile_options(imgui PRIVATE /W4 /WX /arch:AVX2 /fp:fast)
 endif()
-target_link_libraries(imgui PUBLIC glfw glad OpenGL::GL imm32)
+if(WIN32)
+  target_link_libraries(imgui PUBLIC glfw glad OpenGL::GL imm32)
+else()
+  target_link_libraries(imgui PUBLIC glfw glad OpenGL::GL)
+endif()
 target_compile_definitions(imgui PRIVATE IMGUI_DLL_EXPORT)
 
 include_directories(../imgui/ ../imgui/examples ../imgui/examples/libs/gl3w ../imgui/backends ../imgui/misc/cpp)
diff --git a/common/App.cpp b/common/App.cpp
index 15670b9..108f304 100644
--- a/common/App.cpp
+++ b/common/App.cpp
@@ -149,7 +149,9 @@ App::App(std::string title, int w, int h, int argc, char const *argv[])
     const bool no_vsync = result["vsync"].as<bool>();
     const bool use_msaa = result["msaa"].as<bool>();
     const bool im_style = result["imgui"].as<bool>();
+#if defined(_WIN32)
     NvOptimusEnablement = AmdPowerXpressRequestHighPerformance = result["gpu"].as<bool>();
+#endif
 
 #ifdef _DEBUG
     title += " - OpenGL - Debug";