diff --git a/configure b/configure
index d4a86c0abbeec8ddaae98f916e5dde06ffe205ef..12f93f3a4e541247a6b41880e8e89fb416c94357 100755
--- a/configure
+++ b/configure
@@ -1203,13 +1203,17 @@ require_cpp(){
     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
 }
 
-require_pkg_config(){
+use_pkg_config(){
     pkg="$1"
-    check_pkg_config "$@" || die "ERROR: $pkg not found"
+    check_pkg_config "$@" || return 1
     add_cflags    $(get_safe ${pkg}_cflags)
     add_extralibs $(get_safe ${pkg}_libs)
 }
 
+require_pkg_config(){
+    use_pkg_config "$@" || die "ERROR: $pkg not found"
+}
+
 require_libfreetype(){
     log require_libfreetype "$@"
     pkg="freetype2"
@@ -4875,9 +4879,8 @@ enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init
 enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
 enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
 enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer
-enabled libsmbclient      && { { check_pkg_config smbclient libsmbclient.h smbc_init &&
-                                 require_pkg_config smbclient libsmbclient.h smbc_init; } ||
-                                 require smbclient libsmbclient.h smbc_init -lsmbclient; }
+enabled libsmbclient      && { check_pkg_config smbclient libsmbclient.h smbc_init ||
+                               require smbclient libsmbclient.h smbc_init -lsmbclient; }
 enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr
 enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init
 enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
@@ -4903,8 +4906,7 @@ enabled libvpx            && {
     enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx || disable libvpx_vp9_encoder; } }
 enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack
 enabled libwebp           && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
-enabled libx264           && { { check_pkg_config x264 "stdint.h x264.h" x264_encoder_encode &&
-                                 require_pkg_config x264 "stdint.h x264.h" x264_encoder_encode; } ||
+enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
                                { require libx264 x264.h x264_encoder_encode -lx264 &&
                                  warn "using libx264 without pkg-config"; } } &&
                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||