zabbix.server: fix broken build

pkgs/servers/monitoring/zabbix/server.nix

@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, curl, libevent, libiconv, libxml2, openssl, pcre, zlib
+{ stdenv, fetchurl, autoreconfHook, pkgconfig, curl, libevent, libiconv, libxml2, openssl, pcre, zlib
 , jabberSupport ? true, iksemel
 , ldapSupport ? true, openldap
 , odbcSupport ? true, unixODBC
@@ -25,7 +25,7 @@ in
         inherit sha256;
       };
 
-      nativeBuildInputs = [ pkgconfig ];
+      nativeBuildInputs = [ autoreconfHook pkgconfig ];
       buildInputs = [
         curl
         libevent
@@ -65,6 +65,13 @@ in
         find database -name data.sql -exec sed -i 's|/usr/bin/||g' {} +
       '';
 
+      preAutoreconf = ''
+        for i in $(find . -type f -name "*.m4"); do
+          substituteInPlace $i \
+            --replace 'test -x "$PKG_CONFIG"' 'type -P "$PKG_CONFIG" >/dev/null'
+        done
+      '';
+
       postInstall = ''
         mkdir -p $out/share/zabbix/database/
         cp -r include $out/