[Bug 2081721] Re: FTBFS with gcc-14

[Paul Mars]

** Bug watch added: Debian Bug tracker #1075540
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1075540

** Also affects: startup-notification (Debian) via
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1075540
   Importance: Unknown
       Status: Unknown

** Changed in: startup-notification (Ubuntu)
   Importance: Undecided => Medium

** Changed in: startup-notification (Ubuntu)
       Status: New => In Progress

** Changed in: startup-notification (Ubuntu)
   Importance: Medium => High

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https://bugs.launchpad.net/bugs/2081721

Title:
  FTBFS with gcc-14

Status in startup-notification package in Ubuntu:
  In Progress
Status in startup-notification package in Debian:
  Unknown

Bug description:
  startup-notification FTBFS with gcc-14

  
  Common build failures are new warnings resulting in build failures with
  -Werror turned on, or new/dropped symbols in Debian symbols files.
  For other C/C++ related build failures see the porting guide at
  http://gcc.gnu.org/gcc-14/porting_to.html

  [...]
  test-send-xmessage.c:60:39: error: passing argument 3 of ‘sn_internal_broadcast_xmessage’ makes integer from pointer without a cast [-Wint-conversion]
     60 |                                   argv[1],
        |                                   ~~~~^~~
        |                                       |
        |                                       char *
  In file included from test-send-xmessage.c:27:
  ../libsn/sn-xmessages.h:51:56: note: expected ‘xcb_atom_t’ {aka ‘unsigned int’} but argument is of type ‘char *’
     51 |                                        xcb_atom_t      message_type,
        |                                        ~~~~~~~~~~~~~~~~^~~~~~~~~~~~
  test-send-xmessage-xcb.c:55:39: error: passing argument 3 of ‘sn_internal_broadcast_xmessage’ makes integer from pointer without a cast [-Wint-conversion]
     55 |                                   argv[1],
        |                                   ~~~~^~~
        |                                       |
        |                                       char *
  In file included from test-send-xmessage-xcb.c:28:
  ../libsn/sn-xmessages.h:51:56: note: expected ‘xcb_atom_t’ {aka ‘unsigned int’} but argument is of type ‘char *’
     51 |                                        xcb_atom_t      message_type,
        |                                        ~~~~~~~~~~~~~~~~^~~~~~~~~~~~
  test-send-xmessage.c:61:39: error: passing argument 4 of ‘sn_internal_broadcast_xmessage’ makes integer from pointer without a cast [-Wint-conversion]
     61 |                                   argv[2],
        |                                   ~~~~^~~
        |                                       |
        |                                       char *
  ../libsn/sn-xmessages.h:52:56: note: expected ‘xcb_atom_t’ {aka ‘unsigned int’} but argument is of type ‘char *’
     52 |                                        xcb_atom_t      message_type_begin,
        |                                        ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
  test-send-xmessage-xcb.c:56:39: error: passing argument 4 of ‘sn_internal_broadcast_xmessage’ makes integer from pointer without a cast [-Wint-conversion]
     56 |                                   argv[2],
        |                                   ~~~~^~~
        |                                       |
        |                                       char *
  ../libsn/sn-xmessages.h:52:56: note: expected ‘xcb_atom_t’ {aka ‘unsigned int’} but argument is of type ‘char *’
     52 |                                        xcb_atom_t      message_type_begin,
        |                                        ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
  In file included from test-send-xmessage-xcb.c:30:
  test-boilerplate.h: At top level:
  test-boilerplate.h:111:1: warning: ‘error_trap_pop’ defined but not used [-Wunused-function]
    111 | error_trap_pop (SnDisplay *display,
        | ^~~~~~~~~~~~~~
  test-boilerplate.h:104:1: warning: ‘error_trap_push’ defined but not used [-Wunused-function]
    104 | error_trap_push (SnDisplay *display,
        | ^~~~~~~~~~~~~~~
  test-boilerplate.h:79:1: warning: ‘x_error_handler’ defined but not used [-Wunused-function]
     79 | x_error_handler (Display     *xdisplay,
        | ^~~~~~~~~~~~~~~
  make[3]: *** [Makefile:522: test-send-xmessage.o] Error 1
  make[3]: *** Waiting for unfinished jobs....
  make[3]: *** [Makefile:522: test-send-xmessage-xcb.o] Error 1
  test-launcher.c: In function ‘slowly_obtain_timestamp’:
  test-launcher.c:69:42: warning: pointer targets in passing argument 7 of ‘XChangeProperty’ differ in signedness [-Wpointer-sign]
     69 |                      8, PropModeReplace, name, strlen (name));
        |                                          ^~~~
        |                                          |
        |                                          char *
  In file included from /usr/include/X11/Xlib.h:47,
                   from ../libsn/sn-common.h:30,
                   from ../libsn/sn-launchee.h:30,
                   from ../libsn/sn.h:30,
                   from test-launcher.c:26:
  /usr/include/X11/Xlib.h:2089:5: note: expected ‘const unsigned char *’ but argument is of type ‘char *’
   2089 |     _Xconst unsigned char*      /* data */,
        |     ^
  make[3]: Leaving directory '/<<PKGBUILDDIR>>/test'
  make[2]: *** [Makefile:629: check-am] Error 2
  make[2]: Leaving directory '/<<PKGBUILDDIR>>/test'
  make[1]: *** [Makefile:472: check-recursive] Error 1
  make[1]: Leaving directory '/<<PKGBUILDDIR>>'
  dh_auto_test: error: make -j8 check "TESTSUITEFLAGS=-j8 --verbose" VERBOSE=1 returned exit code 2
  make: *** [debian/rules:7: build] Error 25
  dpkg-buildpackage: error: debian/rules build subprocess returned exit status 2

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