Get compilation working on linux

CMakeLists.txt

@@ -3,6 +3,10 @@ cmake_minimum_required(VERSION 3.11)
 project(LabSoundGraphToy VERSION 0.1.0 LANGUAGES C CXX)
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
+include(GNUInstallDirs)
+include(CheckIncludeFile)
+set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake ${CMAKE_MODULE_PATH})
+
 add_subdirectory(third/LabSound)
 
 if (WIN32)
@@ -167,9 +171,12 @@ elseif(WIN32)
         third/nativefiledialog/nfd_win.cpp third/nativefiledialog/nfd_common.c
         third/nativefiledialog/nfd_common.h)
 else()
+    find_package(PkgConfig REQUIRED)
+    find_package(GTK3 REQUIRED gtk+-3.0)
+    pkg_check_modules(GTK3 REQUIRED gtk+-3.0)
     # nb: there is a zenity variant, but haven't had a call for it yet
     set(NFD third/nativefiledialog/include/nfd.h
-        third/nativefiledialog/nfd_gtk.cpp third/nativefiledialog/nfd_common.c
+        third/nativefiledialog/nfd_gtk.c third/nativefiledialog/nfd_common.c
         third/nativefiledialog/nfd_common.h)
 endif()
 
@@ -191,6 +198,10 @@ target_compile_definitions(LabSoundGraphToy PRIVATE
     SOKOL_WIN32_FORCE_MAIN
 )
 
+if (GTK3_FOUND)
+    target_include_directories(LabSoundGraphToy PUBLIC ${GTK3_INCLUDE_DIRS})
+endif ()
+
 target_include_directories(LabSoundGraphToy SYSTEM
     PRIVATE third/imgui
     PRIVATE third/LabSound/include
@@ -226,6 +237,13 @@ elseif (APPLE)
             "-framework QuartzCore"
             )
 #    endif()
+else()
+    set(PLATFORM_LIBS
+        ${GTK3_LIBRARIES}
+        "Xi"
+        "X11"
+        "Xcursor"
+        "GL")
 endif()
 
 target_link_libraries(LabSoundGraphToy

cmake/FindGTK3.cmake

@@ -0,0 +1,23 @@
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(PC_gtk REQUIRED gtk+-3.0)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(GTK3
+        REQUIRED_VARS PC_gtk_FOUND
+        )
+
+if (GTK3_FOUND)
+    add_library(gtk::gtk INTERFACE IMPORTED)
+    target_link_directories(gtk::gtk
+            INTERFACE ${PC_gtk_LIBRARY_DIRS}
+            )
+    target_include_directories(gtk::gtk
+            INTERFACE ${PC_gtk_INCLUDE_DIRS}
+            )
+    target_link_libraries(gtk::gtk
+            INTERFACE ${PC_gtk_LIBRARIES}
+            )
+    target_compile_options(gtk::gtk
+            INTERFACE ${PC_gtk_CFLAGS_OTHER}
+            )
+endif ()

src/meshula_lab.hpp

@@ -47,7 +47,7 @@
 #elif defined(ML_APPLE)
 # include <mach-o/dyld.h>
 #elif defined(ML_NIX)
-# include <uinstd.h>
+# include <unistd.h>
 #endif
 
 struct ml_String {};
@@ -175,7 +175,7 @@ ml_String* ml_application_executable_path()
     s->str = nullptr;
     s->len = 0;
     char buf[1024] = { 0 };
-    ssize_t buf_size = readlink("/proc/self/exe", buff, sizeof(buf));
+    ssize_t buf_size = readlink("/proc/self/exe", buf, sizeof(buf));
     if (!buf_size || buf_size == sizeof(buf))
         return (ml_String*) s; // return an empty string on failure, or unreasonably long path