Add installation and packaging in cmake.

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

CMakeLists.txt

@@ -1,5 +1,7 @@
 cmake_minimum_required(VERSION 3.9)
 
+include(CPack)
+
 project(applewin)
 
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-multichar -Werror=return-type")

source/CMakeLists.txt

@@ -84,3 +84,5 @@ target_link_libraries(appleii PRIVATE
   ${YAML_LIBRARIES}
   ${MINIZIP_LIBRARIES}
   )
+
+install(TARGETS appleii)

source/frontends/ncurses/CMakeLists.txt

@@ -1,4 +1,5 @@
 include(FindPkgConfig)
+include(GNUInstallDirs)
 
 add_executable(applen
   main.cpp
@@ -36,5 +37,10 @@ target_link_libraries(applen PRIVATE
   appleii
   )
 
-file(RELATIVE_PATH RESOURCE_PATH ${CMAKE_BINARY_DIR} ${CMAKE_SOURCE_DIR}/resource)
+file(RELATIVE_PATH ROOT_PATH ${CMAKE_BINARY_DIR} ${CMAKE_SOURCE_DIR})
+file(RELATIVE_PATH SHARE_PATH ${CMAKE_INSTALL_FULL_BINDIR} ${CMAKE_INSTALL_FULL_DATADIR}/applewin)
+
 configure_file(config.h.in config.h)
+
+install(TARGETS applen)
+install(DIRECTORY ${CMAKE_SOURCE_DIR}/resource DESTINATION ${CMAKE_INSTALL_DATADIR}/applewin)

source/frontends/ncurses/config.h.in

@@ -1,2 +1,3 @@
 // relative path from executable to resources
-#cmakedefine RESOURCE_PATH "@RESOURCE_PATH@"
+#cmakedefine ROOT_PATH "@ROOT_PATH@"
+#cmakedefine SHARE_PATH "@SHARE_PATH@"

source/frontends/ncurses/resources.cpp

@@ -1,6 +1,5 @@
 #include "StdAfx.h"
 
-#include <sstream>
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <unistd.h>
@@ -11,21 +10,45 @@
 
 namespace
 {
+
+  bool dirExists(const std::string & folder)
+  {
+    struct stat stdbuf;
+
+    if (stat(folder.c_str(), &stdbuf) == 0 && S_ISDIR(stdbuf.st_mode))
+    {
+      return true;
+    }
+    else
+    {
+      return false;
+    }
+  }
+
   std::string getResourcePath()
   {
-    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 << path;
-      resource << '/';
-      resource << RESOURCE_PATH;
-      resource << '/';
+
+      // case 1: run from the build folder
+      const std::string path1 = std::string(path) + '/'+ ROOT_PATH + "/resource/";
+      if (dirExists(path1))
+      {
+	return path1;
+      }
+
+      // case 2: run from the installation folder
+      const std::string path2 = std::string(path) + '/'+ SHARE_PATH + "/resource/";
+      if (dirExists(path2))
+      {
+	return path2;
+      }
     }
     // else?
-    return resource.str();
+    return std::string();
   }
 
   const std::string resourcePath = getResourcePath();

source/frontends/qapple/CMakeLists.txt

@@ -35,3 +35,5 @@ target_link_libraries(qapple PRIVATE
   Qt5::Multimedia
   appleii
   )
+
+install(TARGETS qapple)