From ef221eda2e36d619e62fc8b7b16303891c97aba6 Mon Sep 17 00:00:00 2001
From: Peter Fordham <peter.fordham@gmail.com>
Date: Dec 22 2022 09:44:44 +0000
Subject: Port configure script to C99.


https://fedoraproject.org/wiki/Toolchain/PortingToModernC
Rebuilding configure with new autotools would also solve the problem.

---

diff --git a/xdialog-2.3.1-configure-c99.patch b/xdialog-2.3.1-configure-c99.patch
new file mode 100644
index 0000000..cacb16f
--- /dev/null
+++ b/xdialog-2.3.1-configure-c99.patch
@@ -0,0 +1,15 @@
+diff --git a/configure b/configure
+index e3d753a..6e1864d 100755
+--- a/configure
++++ b/configure
+@@ -5146,8 +5146,8 @@ main ()
+   for (i = 0; i < 256; i++)
+     if (XOR (islower (i), ISLOWER (i))
+ 	|| toupper (i) != TOUPPER (i))
+-      exit(2);
+-  exit (0);
++      return 2;
++  return 0;
+ }
+ _ACEOF
+ rm -f conftest$ac_exeext
diff --git a/xdialog.spec b/xdialog.spec
index 50b073d..fec33a6 100644
--- a/xdialog.spec
+++ b/xdialog.spec
@@ -3,7 +3,7 @@
 Name: xdialog
 Summary: X11 drop in replacement for cdialog
 Version: 2.3.1
-Release: 32%{?dist}
+Release: 33%{?dist}
 License: GPL+
 URL: http://xdialog.free.fr
 
@@ -11,6 +11,7 @@ Source0: http://xdialog.free.fr/%{real_name}-%{version}.tar.bz2
 Patch0: xdialog-2.3.1-nostrip.patch
 # RHBZ #1037393: Fixes a format string vulnerability (via argv[0])
 Patch1: xdialog-2.3.1-secure-fprintf.diff
+Patch2: xdialog-2.3.1-configure-c99.patch
 
 BuildRequires: make
 BuildRequires: gcc
@@ -36,6 +37,7 @@ touch -c -r ChangeLog ChangeLog.utf8
 mv ChangeLog.utf8 ChangeLog
 %patch0 -p1 -b .nostrip
 %patch1 -p0 -b .fprintf
+%patch2 -p1 -b .configure
 touch -c -r configure.nostrip configure
 touch -c -r configure.in.nostrip configure.in
 
@@ -68,6 +70,9 @@ ln -s ../samples __dist_html/html/samples
 %exclude %{_docdir}/%{real_name}-%{version}
 
 %changelog
+* Thu Dec 22 2022 Peter Fordham <peter.fordham@gmail.com> - 2.3.1-33
+- Port configure script to C99.
+
 * Sat Jul 23 2022 Fedora Release Engineering <releng@fedoraproject.org> - 2.3.1-32
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild