Port configure script to C99

Related to:

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

autofs-5.1.8-configure-c99.patch

@@ -0,0 +1,79 @@
+Posted upstream: https://marc.info/?l=autofs&m=167840444620402
+
+Author: Arjun Shankar <arjun@redhat.com>
+Date:   Fri Mar 10 00:00:55 2023 +0100
+
+    autofs-5.1.8 - define LDAP_DEPRECATED during LDAP configure check
+    
+    This commit defines LDAP_DEPRECATED as 1 during a configure check for
+    ldap_parse_page_control.  This is in line with how lookup_ldap.c is
+    compiled at build time.
+    
+    The configure script is regenerated with autoconf 2.69.
+    
+    The regeneration of the configure script also includes changes due to
+    commit 69fda4f090e3.  That commit intended to run checks with implicit
+    function declaration warnings enabled in order to recognize missing
+    libldap functions.  However, the in-tree copy of the configure script
+    was not regenerated at that time.
+    
+    Signed-off-by: Arjun Shankar <arjun@redhat.com>
+
+diff --git a/aclocal.m4 b/aclocal.m4
+index 33561aaeb9f5eaa4..a1ad50b493749851 100644
+--- a/aclocal.m4
++++ b/aclocal.m4
+@@ -368,7 +368,8 @@ af_check_ldap_parse_page_control_save_libs="$LIBS"
+ LIBS="$LIBS -lldap"
+ 
+ AC_TRY_LINK(
+-  [ #include <ldap.h> ],
++  [ #define LDAP_DEPRECATED 1
++    #include <ldap.h> ],
+   [ LDAP *ld;
+     ber_int_t ct;
+     struct berval *c;
+diff --git a/configure b/configure
+index 394a8d55121c12ed..a19250d5ba271ecd 100755
+--- a/configure
++++ b/configure
+@@ -5407,6 +5407,8 @@ $as_echo_n "checking for ldap_create_page_control in -lldap... " >&6; }
+ # save current libs
+ af_check_ldap_create_page_control_save_libs="$LIBS"
+ LIBS="$LIBS -lldap"
++af_check_ldap_create_page_control_save_cflags="$CFLAGS"
++CFLAGS="$CFLAGS -Werror=implicit-function-declaration"
+ 
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ /* end confdefs.h.  */
+@@ -5443,6 +5445,7 @@ fi
+ 
+ # restore libs
+ LIBS="$af_check_ldap_create_page_control_save_libs"
++CFLAGS="$af_check_ldap_create_page_control_save_cflags"
+ 
+ 	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ldap_parse_page_control in -lldap" >&5
+ $as_echo_n "checking for ldap_parse_page_control in -lldap... " >&6; }
+@@ -5450,10 +5453,13 @@ $as_echo_n "checking for ldap_parse_page_control in -lldap... " >&6; }
+ # save current libs
+ af_check_ldap_parse_page_control_save_libs="$LIBS"
+ LIBS="$LIBS -lldap"
++af_check_ldap_parse_page_control_save_cflags="$CFLAGS"
++CFLAGS="$CFLAGS -Werror=implicit-function-declaration"
+ 
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ /* end confdefs.h.  */
+- #include <ldap.h>
++ #define LDAP_DEPRECATED 1
++    #include <ldap.h>
+ int
+ main ()
+ {
+@@ -5486,6 +5492,7 @@ fi
+ 
+ # restore libs
+ LIBS="$af_check_ldap_parse_page_control_save_libs"
++CFLAGS="$af_check_ldap_parse_page_control_save_cflags"
+ 
+ fi
+ 

autofs.spec

@@ -12,7 +12,7 @@
 Summary: A tool for automatically mounting and unmounting filesystems
 Name: autofs
 Version: 5.1.8
-Release: 8%{?dist}
+Release: 9%{?dist}
 Epoch: 1
 License: GPLv2+
 Source: https://www.kernel.org/pub/linux/daemons/autofs/v5/autofs-%{version}.tar.gz
@@ -37,6 +37,7 @@ Patch18: autofs-5.1.8-fix-handling-of-incorrect-return-from-umount_ent.patch
 Patch19: autofs-5.1.8-dont-use-initgroups-at-spawn.patch
 Patch20: autofs-5.1.8-fix-missing-unlock-in-sasl_do_kinit_ext_cc.patch
 Patch21: autofs-5.1.8-fix-invalid-tsv-access.patch
+Patch22: autofs-5.1.8-configure-c99.patch
 
 %if %{with_systemd}
 BuildRequires: systemd-units
@@ -122,6 +123,7 @@ echo %{version}-%{release} > .version
 %patch19 -p1
 %patch20 -p1
 %patch21 -p1
+%patch22 -p1
 
 %build
 LDFLAGS=-Wl,-z,now
@@ -229,6 +231,9 @@ fi
 %dir /etc/auto.master.d
 
 %changelog
+* Fri Mar 10 2023 Arjun Shankar <arjun@redhat.com> - 1:5.1.8-9
+- Port configure script to C99
+
 * Wed Jan 18 2023 Fedora Release Engineering <releng@fedoraproject.org> - 1:5.1.8-8
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild