Fix building on linux.

Makefile

@@ -6,12 +6,12 @@ SOURCES += imgui/examples/libs/gl3w/GL/gl3w.c
 OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES))))
 
 UNAME_S := $(shell uname -s)
+$(info Building for ${UNAME_S})
 
 
 ifeq ($(UNAME_S), Linux) #LINUX
-#untested - rotted now
 	ECHO_MESSAGE = "Linux"
-	LIBS = -lGL `pkg-config --static --libs glfw3`
+	LIBS = -lGL -lpthread -lportmidi `pkg-config --static --libs glfw3`
 
 	CXXFLAGS = -Iimgui/ -Iimgui/examples/libs/gl3w `pkg-config --cflags glfw3`
 	CXXFLAGS += -Wall -Wformat -O2 
@@ -47,6 +47,7 @@ all: $(EXE)
 
 $(EXE): $(OBJS) $(EXE).icns Info.plist 
 	$(CXX) -o $@ $(OBJS) $(CXXFLAGS) $(LIBS)
+ifeq ($(UNAME_S), Darwin) #APPLE
 	mkdir -p midi2osc.app/Contents/MacOS/
 	mkdir -p midi2osc.app/Contents/Resources/
 	cp midi2osc midi2osc.app/Contents/MacOS/
@@ -56,12 +57,14 @@ $(EXE): $(OBJS) $(EXE).icns Info.plist
 	-cp /usr/local/opt/portmidi/lib/libportmidi.dylib midi2osc.app/Contents/MacOS/
 	install_name_tool -change /usr/local/opt/glfw3/lib/libglfw3.3.dylib @executable_path/libglfw3.3.dylib midi2osc.app/Contents/MacOS/midi2osc
 	install_name_tool -change /usr/local/opt/portmidi/lib/libportmidi.dylib @executable_path/libportmidi.dylib midi2osc.app/Contents/MacOS/midi2osc
+endif
 
 clean:
 	rm -f $(EXE) $(OBJS)
 	rm -f $(EXE).icns
 
 $(EXE).icns: $(EXE)Icon.png
+ifeq ($(UNAME_S), Darwin) #APPLE
 	rm -rf $(EXE).iconset
 	mkdir $(EXE).iconset
 	sips -z 16 16     $(EXE)Icon.png --out $(EXE).iconset/icon_16x16.png
@@ -74,6 +77,7 @@ $(EXE).icns: $(EXE)Icon.png
 	sips -z 512 512   $(EXE)Icon.png --out $(EXE).iconset/[email protected]
 	sips -z 512 512   $(EXE)Icon.png --out $(EXE).iconset/icon_512x512.png
 	sips -z 1024 1024 $(EXE)Icon.png --out $(EXE).iconset/[email protected]
-	#cp $(EXE)Icon.png $(EXE).iconset/[email protected]
+	cp $(EXE)Icon.png $(EXE).iconset/[email protected]
 	iconutil -c icns -o $(EXE).icns $(EXE).iconset
 	rm -r $(EXE).iconset
+endif

main.cpp

@@ -26,8 +26,10 @@ void usleep(int usec) { Sleep(usec/1000); }
 #include <netdb.h>
 #include <unistd.h>
 #include <limits.h>
+#ifdef __APPLE__
 #include <CoreServices/CoreServices.h>
 #endif
+#endif
 #define WINDOW_HEIGHT 500
 #include "imgui.h"
 #include "imgui/examples/imgui_impl_glfw.h"
@@ -268,7 +270,7 @@ void UpdateIP() {
 }
 int main(int argc, char**argv){    
     const char *home = 0;
-#ifndef _WIN32
+#ifdef __APPLE__
     FSRef fsref;
     unsigned char path[PATH_MAX];
     if (FSFindFolder(kUserDomain, kCurrentUserFolderType, kDontCreateFolder, &fsref) == noErr && FSRefMakePath(&fsref, path, sizeof(path)) == noErr)
@@ -597,4 +599,4 @@ int CALLBACK WinMain(
 	WSAStartup(MAKEWORD(2, 2), &wsaData);
 	return main(0,0);
 }
-#endif
+#endif