Added the GRAPHVIZDIR variable to the configure script.

This is used to locate the dot executable, when using doxygen.

configure.in

@@ -253,6 +253,11 @@ AC_DEFINE_UNQUOTED(CANTERA_DATA,"$ct_datadir")
 if test -z "$MAKE"; then MAKE='make'; fi
 AC_SUBST(MAKE)
 
+if test -z "$GRAPHVIZDIR" ; then
+GRAPHVIZDIR=" "
+fi
+AC_SUBST(GRAPHVIZDIR)
+
 #----------- ARCHIVE --------------------
 
 if test "x${OS_IS_DARWIN}" = "x1"; then
@@ -1179,6 +1184,8 @@ AC_OUTPUT(Makefile \
 	  examples/Makefile \
           examples/cxx/Makefile \
 	  tools/Makefile \
+          tools/doc/Cantera.cfg \
+          tools/doc/Makefile \
           tools/src/Makefile \
           tools/src/sample.mak \
           tools/src/finish_install.py \
@@ -1199,6 +1206,7 @@ AC_OUTPUT(Makefile \
           test_problems/python/Makefile \
           test_problems/cathermo/Makefile \
           test_problems/cathermo/issp/Makefile \
+          test_problems/cathermo/ims/Makefile \
           bin/install_tsc \
           )
 #	)

preconfig

@@ -363,6 +363,10 @@ RANLIB=${RANLIB:="ranlib"}
 # doesn't work, try GNU make.
 MAKE=${MAKE:=make}
 
+# The directory location of the graphviz program, dot.
+# dot is used for creating of the documentation.
+# if "dot" is in your path, you can leave this unspecified.
+GRAPHVIZDIR=${GRAPHVIZDIR:=" "}
 
 # file extensions
 CXX_EXT=${CXX_EXT:=cpp}
@@ -396,7 +400,6 @@ export BUILD_F90_INTERFACE
 export PYTHON_PACKAGE
 export BUILD_MATLAB_TOOLBOX
 #export MATLAB_CMD
-export CANTERA_ROOT
 export CT_SHARED_LIB
 export CXX
 export CXX_EXT
@@ -435,6 +438,7 @@ export PIC
 export SHARED
 export SOEXT
 export MAKE
+export GRAPHVIZDIR
 export RPFONT
 export FORTRAN_LIB_DIR
 export CANTERA_INSTALL_DIR