Index: CMakeLists.txt
--- CMakeLists.txt.orig	2015-07-22 11:31:40.000000000 +0200
+++ CMakeLists.txt	2015-08-28 13:50:37.115684926 +0200
@@ -213,7 +213,7 @@
     ${CMAKE_SOURCE_DIR}/share/pdf2htmlEX-64x64.png
     )
 install (FILES ${PDF2HTMLEX_RESOURCE} DESTINATION share/pdf2htmlEX)
-install (FILES pdf2htmlEX.1 DESTINATION share/man/man1)
+install (FILES pdf2htmlEX.1 DESTINATION man/man1)
 
 enable_testing()
 add_test(test python ${CMAKE_SOURCE_DIR}/test/test.py)
Index: src/HTMLRenderer/form.cc
--- src/HTMLRenderer/form.cc.orig	2015-07-22 11:31:40.000000000 +0200
+++ src/HTMLRenderer/form.cc	2015-08-28 13:48:02.335705697 +0200
@@ -15,6 +15,15 @@
 #include "util/namespace.h"
 #include "util/misc.h"
 
+#include <string>
+#include <sstream>
+
+template <typename T> std::string my_to_string(const T& n) {
+    std::ostringstream stm;
+    stm << n;
+    return stm.str();
+}
+
 namespace pdf2htmlEX {
    
 using std::ofstream;
@@ -48,8 +57,8 @@
                 << "\" type=\"text\" value=\"\""
                 << " style=\"position: absolute; left: " << x1 
                 << "px; bottom: " << y1 << "px;" 
-                << " width: " << width << "px; height: " << std::to_string(height) 
-                << "px; line-height: " << std::to_string(height) << "px; font-size: " 
+                << " width: " << width << "px; height: " << my_to_string(height) 
+                << "px; line-height: " << my_to_string(height) << "px; font-size: " 
                 << font_size << "px;\" />" << endl;
         } 
         else if(w->getType() == formButton)
@@ -64,7 +73,7 @@
                 << "\" style=\"position: absolute; left: " << x1 
                 << "px; bottom: " << y1 << "px;" 
                 << " width: " << width << "px; height: " 
-                << std::to_string(height) << "px; background-size: cover;\" ></div>" << endl;
+                << my_to_string(height) << "px; background-size: cover;\" ></div>" << endl;
         }
         else 
         {
Index: src/util/const.h
--- src/util/const.h.orig	2015-07-22 11:31:40.000000000 +0200
+++ src/util/const.h	2015-08-28 13:48:02.335705697 +0200
@@ -16,7 +16,7 @@
 namespace pdf2htmlEX {
 
 #ifndef nullptr
-#define nullptr (NULL)
+#define nullptr (0)
 #endif
 
 static const double EPS = 1e-6;