--- /dev/null
+--- a/m4/nut_check_libgd.m4
++++ b/m4/nut_check_libgd.m4
+@@ -9,37 +9,27 @@ if test -z "${nut_have_libgd_seen}"; then
+ nut_have_libgd_seen=yes
+
+ CFLAGS_ORIG="${CFLAGS}"
+- LDFLAGS_ORIG="${LDFLAGS}"
+ LIBS_ORIG="${LIBS}"
+
+- dnl Initial defaults. These are only used if gdlib-config is
+- dnl unusable and the user fails to pass better values in --with
+- dnl arguments
+- CFLAGS=""
+- LDFLAGS="-L/usr/X11R6/lib"
+- LIBS="-lgd -lpng -lz -ljpeg -lfreetype -lm -lXpm -lX11"
+-
+- AC_MSG_CHECKING(for gd version via gdlib-config)
+- GD_VERSION=`gdlib-config --version 2>/dev/null`
+- if test "$?" != "0" -o -z "${GD_VERSION}"; then
+- GD_VERSION="none"
++ AC_MSG_CHECKING(for gd version via pkg-config)
++ GD_VERSION=`pkg-config --silence-errors --modversion gdlib 2>/dev/null`
++ if test "$?" != "0" -a -n "${GD_VERSION}"; then
++ CFLAGS"`pkg-config --silence-errors --cflags gdllib 2>/dev/null`"
++ LIBS="`pkg-config --silence-errors --libs gdlib 2>/dev/null`"
++ else
++ AC_MSG_CHECKING(via gdlib-config)
++ GD_VERSION="`gdlib-config --version 2>/dev/null`"
++ if test "$?" = "0" -a -n "${GD_VERSION}"; then
++ CFLAGS="`gdlib-config --cflags 2>/dev/null`"
++ LIBS="`gdlib-config --libs 2>/dev/null`"
++ else
++ GD_VERSION="none"
++ CFLAGS=""
++ LIBS="-lgd"
++ fi
+ fi
+ AC_MSG_RESULT(${GD_VERSION} found)
+
+- case "${GD_VERSION}" in
+- none)
+- ;;
+- 2.0.5 | 2.0.6 | 2.0.7)
+- AC_MSG_WARN([[gd ${GD_VERSION} detected, unable to use gdlib-config script]])
+- AC_MSG_WARN([[If gd detection fails, upgrade gd or use --with-gd-includes and --with-gd-libs]])
+- ;;
+- *)
+- CFLAGS="`gdlib-config --includes 2>/dev/null`"
+- LDFLAGS="`gdlib-config --ldflags 2>/dev/null`"
+- LIBS="`gdlib-config --libs 2>/dev/null`"
+- ;;
+- esac
+-
+ dnl Now allow overriding gd settings if the user knows best
+ AC_MSG_CHECKING(for gd include flags)
+ AC_ARG_WITH(gd-includes,
+@@ -70,7 +60,7 @@ if test -z "${nut_have_libgd_seen}"; then
+ ;;
+ esac
+ ], [])
+- AC_MSG_RESULT([${LDFLAGS} ${LIBS}])
++ AC_MSG_RESULT([${LIBS}])
+
+ dnl check if gd is usable
+ AC_CHECK_HEADERS(gd.h gdfontmb.h, [nut_have_libgd=yes], [nut_have_libgd=no], [AC_INCLUDES_DEFAULT])
+@@ -79,12 +69,11 @@ if test -z "${nut_have_libgd_seen}"; then
+ if test "${nut_have_libgd}" = "yes"; then
+ AC_DEFINE(HAVE_LIBGD, 1, [Define if you have Boutell's libgd installed])
+ LIBGD_CFLAGS="${CFLAGS}"
+- LIBGD_LDFLAGS="${LDFLAGS} ${LIBS}"
++ LIBGD_LDFLAGS="${LIBS}"
+ fi
+
+ dnl put back the original versions
+ CFLAGS="${CFLAGS_ORIG}"
+- LDFLAGS="${LDFLAGS_ORIG}"
+ LIBS="${LIBS_ORIG}"
+ fi
+ ])