-mark_as_advanced(HAVE_CGRAPH_LIB)
-mark_as_advanced(HAVE_CGRAPH_H)
-
-if(HAVE_CGRAPH_LIB AND HAVE_CGRAPH_H)
- string(REGEX REPLACE "/libcgraph.*" "" lib_cgraph ${HAVE_CGRAPH_LIB})
- string(REPLACE "/cgraph.h" "" file_cgraph_h ${HAVE_CGRAPH_H})
-
- string(REGEX MATCH "-I${file_cgraph_h} " operation "${CMAKE_C_FLAGS}")
- if(NOT operation)
- SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}-I${file_cgraph_h} ")
- endif(NOT operation)
-
-endif(HAVE_CGRAPH_LIB AND HAVE_CGRAPH_H)
+if(enable_graphviz AND HAVE_CDT_LIB)
+if(HAVE_CGRAPH_LIB OR HAVE_AGRAPH_LIB)
+
+ if(HAVE_AGRAPH_LIB)
+ string(REGEX REPLACE "/libagraph.*" "" lib_graphviz ${HAVE_AGRAPH_LIB})
+ else(HAVE_AGRAPH_LIB)
+ if(HAVE_CGRAPH_LIB)
+ string(REGEX REPLACE "/libcgraph.*" "" lib_graphviz ${HAVE_CGRAPH_LIB})
+ endif(HAVE_CGRAPH_LIB)
+ endif(HAVE_AGRAPH_LIB)
+
+ if(HAVE_GRAPH_H OR HAVE_AGRAPH_H OR HAVE_CGRAPH_H)
+
+ if(HAVE_GRAPH_H)
+ string(REPLACE "/graphviz/graph.h" "" file_graphviz_h ${HAVE_GRAPH_H})
+ string(REPLACE "/graphviz" "" file_graphviz_h ${file_graphviz_h})
+ set(GRAPH_H 1)
+ endif(HAVE_GRAPH_H)
+
+ if(HAVE_AGRAPH_H)
+ string(REPLACE "/graphviz/agraph.h" "" file_graphviz_h ${HAVE_AGRAPH_H})
+ string(REPLACE "/graphviz" "" file_graphviz_h ${file_graphviz_h})
+ set(AGRAPH_H 1)
+ endif(HAVE_AGRAPH_H)
+
+ if(HAVE_CGRAPH_H)
+ string(REPLACE "/graphviz/cgraph.h" "" file_graphviz_h ${HAVE_CGRAPH_H})
+ string(REPLACE "/graphviz" "" file_graphviz_h ${file_graphviz_h})
+ set(CGRAPH_H 1)
+ endif(HAVE_CGRAPH_H)
+
+ string(REGEX MATCH "-I${file_graphviz_h} " operation "${CMAKE_C_FLAGS}")
+ if(NOT operation)
+ SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}-I${file_graphviz_h} ")
+ endif(NOT operation)
+
+ string(REGEX MATCH "-I${file_graphviz_h}/graphviz " operation "${CMAKE_C_FLAGS}")
+ if(NOT operation)
+ SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}-I${file_graphviz_h}/graphviz ")
+ endif(NOT operation)
+
+ string(REGEX MATCH "-L${lib_graphviz} " operation "${CMAKE_C_FLAGS}")
+ if(NOT operation)
+ SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}-L${lib_graphviz} ")
+ endif(NOT operation)
+
+ else(HAVE_GRAPH_H OR HAVE_AGRAPH_H OR HAVE_CGRAPH_H)
+ set(enable_graphviz "0")
+ endif(HAVE_GRAPH_H OR HAVE_AGRAPH_H OR HAVE_CGRAPH_H)
+
+else(HAVE_CGRAPH_LIB OR HAVE_AGRAPH_LIB)
+ set(enable_graphviz "0")
+endif(HAVE_CGRAPH_LIB OR HAVE_AGRAPH_LIB)
+
+endif(enable_graphviz AND HAVE_CDT_LIB)
+#--------------------------------------------------------------------------------------------------
+### Initialize of pcre
+find_library(PATH_PCRE_LIB pcre)
+find_file(PATH_PCRE_H "pcre.h")
+set(HAVE_PCRE_LIB 0)
+if(PATH_PCRE_LIB AND PATH_PCRE_H)
+ string(REGEX REPLACE "/libpcre.*[.]${LIB_EXE}$" "" PATHLIBPCRE "${PATH_PCRE_LIB}")
+ string(REGEX REPLACE "/pcre.h" "" PATH_PCRE_H "${PATH_PCRE_H}")
+ string(REGEX MATCH "-L${PATHLIBPCRE} " operation "${CMAKE_C_FLAGS}")
+ if(NOT operation)
+ SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}-L${PATHLIBPCRE} ")
+ endif(NOT operation)
+ string(REGEX MATCH "-I${PATH_PCRE_H} " operation "${CMAKE_C_FLAGS}")
+ if(NOT operation)
+ SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}-I${PATH_PCRE_H} ")
+ endif(NOT operation)
+ set(HAVE_PCRE_LIB 1)
+else(PATH_PCRE_LIB)
+ message("You should install libpcre (please install the libpcre3-dev package or equivalent)")
+endif(PATH_PCRE_LIB AND PATH_PCRE_H)