fixes for win64

CMakeLists.txt

@@ -370,6 +370,7 @@ if(ENABLE_FLTK)
       endif(FLTK_PNG)   
     endif(FLTK_FOUND)
   endif(NOT HAVE_FLTK)
+  if(HAVE_FLTK)
     if(ENABLE_NATIVE_FILE_CHOOSER)
       if(NOT FLTK_VERSION OR FLTK_VERSION EQUAL 1.1)
         add_subdirectory(contrib/NativeFileChooser)
@@ -385,6 +386,7 @@ if(ENABLE_FLTK)
       endif(NOT FLTK_VERSION OR FLTK_VERSION EQUAL 1.1)
       set_config_option(HAVE_FL_TREE "FlTree")
     endif(ENABLE_FL_TREE)
+  endif(HAVE_FLTK)
 elseif(ENABLE_QT)
   find_package(Qt4)
   set(QT_USE_QTOPENGL TRUE)
@@ -900,8 +902,13 @@ target_link_libraries(gmsh_dynamic shared)
 # linking of system libraries with cygwin/mingw (to ease distribution 
 # andspeed up app startup time)
 if(WIN32 AND NOT MSVC)
+  if(HAVE_64BIT_SIZE_T)
+    set_target_properties(gmsh PROPERTIES LINK_FLAGS 
+      "-Wl,--stack,16777216 -mwindows -static")
+  else(HAVE_64BIT_SIZE_T)
     set_target_properties(gmsh PROPERTIES LINK_FLAGS 
       "-Wl,--stack,16777216 ${CMAKE_CURRENT_SOURCE_DIR}/Fltk/Win32Icon.res -mwindows -static")
+  endif(HAVE_64BIT_SIZE_T)
   # remove stupid -Wl,-Bdynamic flags
   set(CMAKE_EXE_LINK_DYNAMIC_C_FLAGS)
   set(CMAKE_EXE_LINK_DYNAMIC_CXX_FLAGS)

Common/ListUtils.cpp

@@ -12,6 +12,7 @@
 #include <string.h>
 #include <errno.h>
 #include <sys/types.h>
+#include <inttypes.h>
 #include "MallocUtils.h"
 #include "ListUtils.h"
 #include "TreeUtils.h"
@@ -198,7 +199,7 @@ int List_PSuppress(List_T * liste, int index)
     return (0);
 
   liste->n--;
-  len = liste->n - (((long)ptr - (long)liste->array) / liste->size);
+  len = liste->n - (((intptr_t)ptr - (intptr_t)liste->array) / liste->size);
   if(len > 0)
     memmove(ptr, ptr + liste->size, len * liste->size);
   return (1);

Common/avl.cpp

@@ -26,6 +26,7 @@
 // Modified for Gmsh (C++ and 64 bit compatibility)
 
 #include <stdio.h>
+#include <inttypes.h>
 
 #include "avl.h"
 #include "MallocUtils.h"
@@ -43,7 +44,7 @@
 
 #define COMPARE(key, nodekey, compare)                  \
     ((compare == avl_numcmp) ?                          \
-        (long int) key - (long int) nodekey :                   \
+        (intptr_t) key - (intptr_t) nodekey :                   \
         (*compare)(key, nodekey))
 
 static void avl_record_gen_forward(avl_node *node, avl_generator *gen);
@@ -353,9 +354,10 @@ static avl_node *new_node(void *key, void *value)
     newn->left = newn->right = NIL(avl_node);
     return newn;
 }
+
 int avl_numcmp(const void *x, const void*y)
 {
-    return (long int) x - (long int) y;
+    return (intptr_t) x - (intptr_t) y;
 }
 
 int avl_check_tree(avl_tree *tree)