gimp: fix configure for c99 and gcc14

srcpkgs/gimp/patches/gcc14.patch

@@ -0,0 +1,63 @@
+From 99531e73e95bf6de4aed9bf64ac3f306e6dfb490 Mon Sep 17 00:00:00 2001
+From: Florian Weimer <fweimer@redhat.com>
+Date: Fri, 13 Jan 2023 13:29:07 +0100
+Subject: [PATCH] configure.ac: Improve C99 compatibility of IPC_RMID check
+
+Do not call the undeclared exit function.  Implicit function
+declarations are likely not going to be supported by future compilers
+by default, changing the outcome of this configure probe with
+such compilers.
+---
+ configure.ac | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index 03047899841..b8718955471 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -1254,17 +1254,17 @@ elif test "x$shmtype" = "xsysv"; then
+ 	  char *shmaddr;
+ 	id = shmget (IPC_PRIVATE, 4, IPC_CREAT | 0600);
+ 	if (id == -1)
+-	  exit (2);
++	  return 2;
+ 	  shmaddr = shmat (id, 0, 0);
+ 	  shmctl (id, IPC_RMID, 0);
+ 	  if ((char*) shmat (id, 0, 0) == (char*) -1)
+ 	  {
+ 	    shmdt (shmaddr);
+-	    exit (1);
++	    return 1;
+ 	  }
+ 	  shmdt (shmaddr);
+ 	  shmdt (shmaddr);
+-	  exit (0);
++	  return 0;
+ 	}
+       ]])],
+       [AC_DEFINE([IPC_RMID_DEFERRED_RELEASE],[1],
+diff --git a/configure b/configure
+index 6e62da8e3c164f82..f1c447baf7ff68f7 100755
+--- a/configure
++++ b/configure
+@@ -28898,17 +28898,17 @@ else $as_nop
+ 	  char *shmaddr;
+ 	id = shmget (IPC_PRIVATE, 4, IPC_CREAT | 0600);
+ 	if (id == -1)
+-	  exit (2);
++	  return 2;
+ 	  shmaddr = shmat (id, 0, 0);
+ 	  shmctl (id, IPC_RMID, 0);
+ 	  if ((char*) shmat (id, 0, 0) == (char*) -1)
+ 	  {
+ 	    shmdt (shmaddr);
+-	    exit (1);
++	    return 1;
+ 	  }
+ 	  shmdt (shmaddr);
+ 	  shmdt (shmaddr);
+-	  exit (0);
++	  return 0;
+ 	}
+ 
+ _ACEOF