From 4b8761304540894df455fd6d3ca91f8f3e89141d Mon Sep 17 00:00:00 2001
From: Florian Weimer <fweimer@redhat.com>
Date: Dec 19 2022 13:50:46 +0000
Subject: Port configure script to C99


Related to:

  <https://fedoraproject.org/wiki/Changes/PortingToModernC>
  <https://fedoraproject.org/wiki/Toolchain/PortingToModernC>

---

diff --git a/bacula-configure-c99.patch b/bacula-configure-c99.patch
new file mode 100644
index 0000000..6b71616
--- /dev/null
+++ b/bacula-configure-c99.patch
@@ -0,0 +1,38 @@
+autoconf: Do not call exit in the getaddrinfo check
+
+The exit function is not declared in this context, so the check
+will always fail with compilers which do not accept implicit function
+declarations.  Change the return type of main to int and return
+directly from main instead.
+
+Submitted upstream: <https://gitlab.bacula.org/bacula-community-edition/bacula-community/-/issues/2666>
+
+diff --git a/autoconf/configure.in b/autoconf/configure.in
+index 56cb94e9a904b47d..937ad330fb68d77b 100644
+--- a/autoconf/configure.in
++++ b/autoconf/configure.in
+@@ -2585,7 +2585,7 @@ AC_CACHE_CHECK(for working getaddrinfo, ac_cv_working_getaddrinfo,
+ 	      #include <sys/types.h>
+ 	      #include <sys/socket.h>
+ 
+-	      void main(void) {
++	      int main(void) {
+ 		  struct addrinfo hints, *ai;
+ 		  int error;
+ 
+@@ -2594,12 +2594,12 @@ AC_CACHE_CHECK(for working getaddrinfo, ac_cv_working_getaddrinfo,
+ 		  hints.ai_socktype = SOCK_STREAM;
+ 		  error = getaddrinfo("127.0.0.1", NULL, &hints, &ai);
+ 		  if (error) {
+-		      exit(1);
++		      return 1;
+ 		  }
+ 		  if (ai->ai_addr->sa_family != AF_INET) {
+-		      exit(1);
++		      return 1;
+ 		  }
+-		  exit(0);
++		  return 0;
+ 	      }
+ 	  ],[
+ 	      ac_cv_working_getaddrinfo="yes"
diff --git a/bacula.spec b/bacula.spec
index 4f2b7bb..7738fa0 100644
--- a/bacula.spec
+++ b/bacula.spec
@@ -3,7 +3,7 @@
 
 Name:               bacula
 Version:            13.0.1
-Release:            4%{?dist}
+Release:            5%{?dist}
 Summary:            Cross platform network backup for Linux, Unix, Mac and Windows
 # See LICENSE for details
 License:            AGPLv3 with exceptions
@@ -42,6 +42,7 @@ Patch8:             %{name}-docker-plugin.patch
 # http://bugs.bacula.org/view.php?id=2084
 Patch9:             %{name}-autoconf.patch
 Patch10:            %{name}-scripts.patch
+Patch11:            bacula-configure-c99.patch
 
 BuildRequires:      desktop-file-utils
 BuildRequires:      perl-generators
@@ -642,6 +643,9 @@ exit 0
 %{_libdir}/nagios/plugins/check_bacula
 
 %changelog
+* Mon Dec 19 2022 Florian Weimer <fweimer@redhat.com> - 13.0.1-5
+- Port configure script to C99
+
 * Tue Nov 29 2022 Simone Caronni <negativo17@gmail.com> - 13.0.1-4
 - Fix isworm script.