[Users] [Bug 4648] New: claws fails to build on gcc-13 (weekly) as: claws-mail> os_types.h:68:22: error: 'uintptr_t' in namespace 'std' does not name a type

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https://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=4648

            Bug ID: 4648
           Summary: claws fails to build on gcc-13 (weekly) as:
                    claws-mail> os_types.h:68:22: error: 'uintptr_t' in
                    namespace 'std' does not name a type
           Product: Claws Mail
           Version: GIT
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Plugins/LiteHTML Viewer
          Assignee: users at lists.claws-mail.org
          Reporter: slyich at gmail.com

gcc-13 cleaned up a few more transitive headers in it's STL:
https://gcc.gnu.org/gcc-13/changes.html

As a result claws-mail-4.1.1 (and git) fails to build as:

claws-mail> In file included from html.h:12,
claws-mail>                  from iterators.cpp:1:
claws-mail> os_types.h:68:22: error: 'uintptr_t' in namespace 'std' does not
name a type
claws-mail>    68 |         typedef std::uintptr_t                  uint_ptr;
claws-mail>       |                      ^~~~~~~~~
claws-mail> In file included from html.h:12,
claws-mail>                  from el_style.cpp:1:
claws-mail> os_types.h:68:22: error: 'uintptr_t' in namespace 'std' does not
name a type
claws-mail>    68 |         typedef std::uintptr_t                  uint_ptr;
claws-mail>       |                      ^~~~~~~~~

The following seems to be enough to fix it, but I'm not sure it's the correct
place to add missing header:

--- a/src/plugins/litehtml_viewer/litehtml/os_types.h
+++ b/src/plugins/litehtml_viewer/litehtml/os_types.h
@@ -1,6 +1,8 @@
 #ifndef LH_OS_TYPES_H
 #define LH_OS_TYPES_H

+#include <cstdint>
+
 namespace litehtml
 {
 #if defined( WIN32 ) || defined( _WIN32 ) || defined( WINCE )

Thanks!

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