diff -Naur pari-2.7.0/config/Makefile.SH pari-2.7.0_a/config/Makefile.SH
--- pari-2.7.0/config/Makefile.SH	2014-03-20 21:59:28.000000000 +1300
+++ pari-2.7.0_a/config/Makefile.SH	2014-05-05 12:00:21.095724368 +1200
@@ -75,12 +75,12 @@
   PLOTLIBS="-L\$(QTDIR)/lib $QTLIB"
   graph=plotQt;;
 Qt4)
-  PLOTCFLAGS='-D__FANCY_WIN__ -I$(QTDIR)/include'
-  PLOTLIBS="-L\$(QTDIR)/lib $QTLIB"
+  PLOTCFLAGS='-D__FANCY_WIN__ `pkg-config --cflags QtGui`'
+  PLOTLIBS="`pkg-config --libs QtGui`"
   graph=plotQt4;;
 fltk)
-  PLOTCFLAGS="-I\$(FLTKDIR)/include $X11_INC"
-  PLOTLIBS="$FLTK_LIBS"
+  PLOTCFLAGS="`fltk-config --cxxflags` $X11_INC"
+  PLOTLIBS="`fltk-config --ldflags`"
   postconfig='fltk-config --post '
   graph=plotfltk;;
 win32)
@@ -269,7 +269,7 @@
 GMPINCLUDE = $GMPINCLUDE
 # Graphic library.
 QTDIR      = "$QTDIR"
-MOC        = \$(QTDIR)/bin/moc
+MOC        = "`which moc`"
 PLOTCFLAGS = $PLOTCFLAGS
 PLOTLIBS   = $PLOTLIBS
 CPLUSPLUS  = g++
diff -Naur pari-2.7.0/config/get_Qt pari-2.7.0_a/config/get_Qt
--- pari-2.7.0/config/get_Qt	2014-03-20 21:59:28.000000000 +1300
+++ pari-2.7.0_a/config/get_Qt	2014-05-05 11:56:42.453465262 +1200
@@ -5,7 +5,7 @@
 case "$with_qt" in
 yes)
    pth="/usr/local/lib /usr/local/share /usr/lib /usr/share"
-   QTDIR=`locatedir qt4/bin $pth`
+   QTDIR=`locatedir qt4 $pth`
    if test -n "$QTDIR"; then
      QTLIB="-lQtCore -lQtGui"
      which_graphic_lib=Qt4
diff -Naur pari-2.7.0/config/get_config_options pari-2.7.0_a/config/get_config_options
--- pari-2.7.0/config/get_config_options	2014-03-20 21:59:28.000000000 +1300
+++ pari-2.7.0_a/config/get_config_options	2014-05-05 11:49:14.577963840 +1200
@@ -85,10 +85,12 @@
   --with-ncurses-lib=*|--with-ncurses=*)
       with_ncurses_lib=`echo "$1" | sed -e 's/[-a-z]*=//'` ;;
 
+  --without-qt|--with-qt=no) without_qt=yes ;;
   --with-qt) with_qt=yes ;;
   --with-qt=*)
       with_qt=`echo "$1" | sed -e 's/[-a-z]*=//'` ;;
 
+  --without-fltk|--with-fltk=no) without_fltk=yes ;;
   --with-fltk) with_fltk=yes ;;
   --with-fltk=*)
       with_fltk=`echo "$1" | sed -e 's/[-a-z]*=//'` ;;
@@ -164,7 +166,9 @@
   --with-gmp-lib=DIR          specify location of gmp libs
 
   --with-qt[=DIR]        use the Qt graphical library [prefix for Qt dir.]
+  --without-qt           do not try to use the Qt lib
   --with-fltk[=DIR]      use the FLTK graphical library [prefix for FLTK dir.]
+  --without-fltk         do not try to use the FLTK lib
 
 Environment variables affecting the build:
   CC                     C compiler
diff -Naur pari-2.7.0/config/get_fltk pari-2.7.0_a/config/get_fltk
--- pari-2.7.0/config/get_fltk	2014-03-20 21:59:28.000000000 +1300
+++ pari-2.7.0_a/config/get_fltk	2014-05-05 11:49:14.578963841 +1200
@@ -2,6 +2,9 @@
   with_fltk=yes
 fi
 FLTKDIR=
+if test -z "$without_fltk; then
+   FLTKDIR="`fltk-config --prefix 2>/dev/null`"
+fi
 case "$with_fltk" in
 yes)
    pth=$libpth; lib=fltk; . ./locatelib
diff -Naur pari-2.7.0/config/get_graphic_lib pari-2.7.0_a/config/get_graphic_lib
--- pari-2.7.0/config/get_graphic_lib	2014-03-20 21:59:28.000000000 +1300
+++ pari-2.7.0_a/config/get_graphic_lib	2014-05-05 11:54:45.469333702 +1200
@@ -7,6 +7,7 @@
 
 if test -n "$with_fltk"; then which_graphic_lib=fltk; fi
 if test -n "$with_qt";   then which_graphic_lib=Qt; fi
+if test -n "$without_fltk" -a -n "$without_qt"; then which_graphic_lib=none; fi
 if test "$fastread" != yes; then
   cat << EOT
 ==========================================================================
@@ -38,7 +39,7 @@
     case $osname in
       darwin) ;; # fltk brings in CoreFoundation, incompatible with pari_daemon
       *). ./get_fltk # FLTKDIR, FLTK_LIBS ;;
-        if test -z "$FLTKDIR"; then
+        if test -z "`fltk-config --ldflags 2> /dev/null`"; then
           case $which_graphic_lib in fltk) which_graphic_lib=none;; esac
         else
           which_graphic_lib=fltk