Backport dns SRV record resolution feature (RFC6186)

Resolves: rhbz#2134789
Fix building in ZUUL CI

  Resolves: rhbz#2193363

postfix-3.5.9-makedefs.patch

@@ -0,0 +1,32 @@
+commit 9c7bcf991e2dd69d517be84d9594411c47e04562
+Author: Tomas Korbar <tkorbar@redhat.com>
+Date:   Fri May 5 12:48:21 2023 +0200
+
+    Fix build with kernel 6
+
+diff --git a/makedefs b/makedefs
+index aea15d6..ad93a5f 100644
+--- a/makedefs
++++ b/makedefs
+@@ -557,7 +557,7 @@ EOF
+ 		: ${SHLIB_ENV="LD_LIBRARY_PATH=`pwd`/lib"}
+ 		: ${PLUGIN_LD="${CC-gcc} -shared"}
+ 		;;
+- Linux.[345].*)	SYSTYPE=LINUX$RELEASE_MAJOR
++ Linux.[3456].*)	SYSTYPE=LINUX$RELEASE_MAJOR
+ 		case "$CCARGS" in
+ 		 *-DNO_DB*) ;;
+ 		 *-DHAS_DB*) ;;
+diff --git a/src/util/sys_defs.h b/src/util/sys_defs.h
+index f3a3b26..e9d3546 100644
+--- a/src/util/sys_defs.h
++++ b/src/util/sys_defs.h
+@@ -749,7 +749,7 @@ extern int initgroups(const char *, int);
+  /*
+   * LINUX.
+   */
+-#if defined(LINUX2) || defined(LINUX3) || defined(LINUX4) || defined(LINUX5)
++#if defined(LINUX2) || defined(LINUX3) || defined(LINUX4) || defined(LINUX5) || defined(LINUX6)
+ #define SUPPORTED
+ #define UINT32_TYPE	unsigned int
+ #define UINT16_TYPE	unsigned short

postfix.spec

@@ -49,7 +49,7 @@
 Name: postfix
 Summary: Postfix Mail Transport Agent
 Version: 3.5.9
-Release: 19%{?dist}
+Release: 20%{?dist}
 Epoch: 2
 URL: http://www.postfix.org
 License: (IBM and GPLv2+) or (EPL-2.0 and GPLv2+)
@@ -106,6 +106,10 @@ Patch13: postfix-3.5.9-whitespace-name-fix.patch
 Patch14: pflogsumm-1.1.5-syslog-name-underscore-fix.patch
 # rhbz#1938847, backported from upstream
 Patch15: postfix-3.5.9-coverity-fix.patch
+# rhbz#2134789, backported feature from upstream
+Patch16: postfix-3.5.9-SRV-resolve.patch
+# rhbz#2193363 ZUUL CI uses kernel 6 and we have to add this to postfix
+Patch17: postfix-3.5.9-makedefs.patch
 
 # Optional patches - set the appropriate environment variables to include
 #                    them when building the package/spec file
@@ -260,6 +264,8 @@ popd
 %patch13 -p1 -b .whitespace-name-fix
 %patch14 -p1 -b .pflogsumm-1.1.5-syslog-name-underscore-fix
 %patch15 -p1 -b .coverity-fix
+%patch16 -p1 -b .SRV-resolution
+%patch17 -p1 -b .makedefs
 
 for f in README_FILES/TLS_{LEGACY_,}README TLS_ACKNOWLEDGEMENTS; do
 	iconv -f iso8859-1 -t utf8 -o ${f}{_,} &&
@@ -803,6 +809,12 @@ fi
 %endif
 
 %changelog
+* Thu May 04 2023 Tomas Korbar <tkorbar@redhat.com> - 2:3.5.9-20
+- Backport dns SRV record resolution feature (RFC6186)
+  Resolves: rhbz#2134789
+- Fix building in ZUUL CI
+  Resolves: rhbz#2193363
+
 * Fri Aug 19 2022 Jaroslav Škarvada <jskarvad@redhat.com> - 2:3.5.9-19
 - Suppressed openssl output during SSL certificates generation
   Resolves: rhbz#2041589