From 049d95d7187a10acfb9836f5a273347eb07fa727 Mon Sep 17 00:00:00 2001
From: Florian Weimer <fweimer@redhat.com>
Date: Dec 18 2023 13:03:06 +0000
Subject: Fix C compatibility issue in configure script


Related to:

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

---

diff --git a/privoxy-configure-c99.patch b/privoxy-configure-c99.patch
new file mode 100644
index 0000000..bff1f67
--- /dev/null
+++ b/privoxy-configure-c99.patch
@@ -0,0 +1,36 @@
+Fix argument types in gmtime_r, localtime_r probes.  Otherwise these
+probes always fail with stricter compilers even if there is C library
+support for these functions.
+
+Submitted upstream: <https://sourceforge.net/p/ijbswa/patches/149/>
+
+diff --git a/configure.in b/configure.in
+index 9073fe97632b23ba..04a8d1e70af78ae5 100644
+--- a/configure.in
++++ b/configure.in
+@@ -615,9 +615,9 @@ AC_CHECK_FUNC(gmtime_r, [
+   AC_TRY_COMPILE([
+ #   include <time.h>
+   ], [
+-    struct time *t;
+-    struct tm *tm;
+-    (void) gmtime_r(t, tm)
++    struct time t;
++    struct tm tm;
++    (void) gmtime_r(&t, &tm)
+   ], [
+     AC_MSG_RESULT(ok)
+     AC_DEFINE(HAVE_GMTIME_R)
+@@ -633,9 +633,9 @@ AC_CHECK_FUNC(localtime_r, [
+   AC_TRY_COMPILE([
+ #   include <time.h>
+   ], [
+-    struct time *t;
+-    struct tm *tm;
+-    (void) localtime_r(t, tm)
++    struct time t;
++    struct tm tm;
++    (void) localtime_r(&t, &tm)
+   ], [
+     AC_MSG_RESULT(ok)
+     AC_DEFINE(HAVE_LOCALTIME_R)
diff --git a/privoxy.spec b/privoxy.spec
index da61cea..18ce126 100644
--- a/privoxy.spec
+++ b/privoxy.spec
@@ -7,7 +7,7 @@
 
 Name: privoxy
 Version: 3.0.34
-Release: 5%{?dist}
+Release: 6%{?dist}
 Summary: Privacy enhancing proxy
 License: GPL-2.0-or-later
 Source0: http://downloads.sourceforge.net/ijbswa/%{name}-%{version}-%{beta_or_stable}-src.tar.gz
@@ -16,6 +16,7 @@ Source2: privoxy.logrotate
 Patch0: 53748ca8ca3c893025be34dd4f104546fcbd0602.patch
 Patch1: e73b93ea9ad1f3e980bd78ed3ebf65dedbb598a2.patch
 Patch2: 87253c999d5628a6e9287bb0cc613d7b44bcec09.patch
+Patch3: privoxy-configure-c99.patch
 URL: http://www.privoxy.org/
 Requires(pre): shadow-utils
 BuildRequires: make
@@ -37,6 +38,7 @@ Privoxy is based on the Internet Junkbuster.
 %patch -P 0 -p 1
 %patch -P 1 -p 1
 %patch -P 2 -p 1
+%patch -P 3 -p 1
 
 %build
 rm -rf autom4te.cache
@@ -110,6 +112,9 @@ fi
 %doc doc
 
 %changelog
+* Mon Dec 18 2023 Florian Weimer <fweimer@redhat.com> - 3.0.34-6
+- Fix C compatibility issue in configure script
+
 * Mon Aug 28 2023 Gwyn Ciesla <gwync@protonmail.com> - 3.0.34-5
 - Additional pcre2 patches from upstream.