Use a dynamic relative path to locate resources.

Signed-off-by: Andrea Odetti <mariofutire@gmail.com>

source/frontends/ncurses/CMakeLists.txt

@@ -18,6 +18,7 @@ find_package(Boost REQUIRED
   )
 
 target_include_directories(applen PRIVATE
+  ${CMAKE_CURRENT_BINARY_DIR}
   ${NCURSESW_INCLUDE_DIRS}
   ${LIBEVDEV_INCLUDE_DIRS}
   ${Boost_INCLUDE_DIRS}
@@ -35,3 +36,5 @@ target_link_libraries(applen PRIVATE
   appleii
   )
 
+file(RELATIVE_PATH RESOURCE_PATH ${CMAKE_BINARY_DIR} ${CMAKE_SOURCE_DIR}/resource)
+configure_file(config.h.in config.h)

source/frontends/ncurses/config.h.in

@@ -0,0 +1,2 @@
+// relative path from executable to resources
+#cmakedefine RESOURCE_PATH "@RESOURCE_PATH@"

source/frontends/ncurses/resources.cpp

@@ -1,27 +1,31 @@
 #include "StdAfx.h"
 
+#include <sstream>
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <unistd.h>
 #include <libgen.h>
 
 #include "Log.h"
+#include "config.h"
 
 namespace
 {
   std::string getResourcePath()
   {
-    std::string resource;
+    std::ostringstream resource;
     char self[1024] = {0};
     const int ch = readlink("/proc/self/exe", self,  sizeof(self));
     if (ch != -1)
     {
       const char * path = dirname(self);
-      resource.assign(path);
-      resource += "/../resource/";
+      resource << path;
+      resource << '/';
+      resource << RESOURCE_PATH;
+      resource << '/';
     }
     // else?
-    return resource;
+    return resource.str();
   }
 
   const std::string resourcePath = getResourcePath();