diff --git a/configure.ac b/configure.ac
index 7ae5b866..bc43b89f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -19,6 +19,18 @@ TEA_LOAD_TKCONFIG
 TEA_PUBLIC_TCL_HEADERS
 
 
+
+# AC_HEADER_STDC
+AC_CONFIG_HEADERS(config.h)
+AC_DISABLE_STATIC
+
+AC_LANG([C++])
+AC_PROG_CXX
+AC_PROG_LIBTOOL
+LT_INIT
+
+
+
 # OpenCASCADE configuration
 
 AC_ARG_ENABLE([occ], 
@@ -33,6 +45,7 @@ AC_ARG_WITH([occ],
         )
 
 
+
 if test a$occon = atrue ; then
 
 	AC_SUBST([OCCFLAGS], ["-DOCCGEOMETRY -I$occdir/inc"])
@@ -40,7 +53,6 @@ if test a$occon = atrue ; then
 
 #  -lTKDCAF
 
-
 	if test a$build_cpu = ax86_64 ; then
 		AC_SUBST([OCCFLAGS],["$OCCFLAGS -D_OCC64"])
 	fi
@@ -106,15 +118,6 @@ AC_ARG_ENABLE([ffmpeg],
         ]       
         )               
 
-# AC_HEADER_STDC
-AC_CONFIG_HEADERS(config.h)
-AC_DISABLE_STATIC
-
-AC_LANG([C++])
-AC_PROG_CXX
-AC_PROG_LIBTOOL
-LT_INIT
-
 
 AM_CONDITIONAL([NGLIB], [test x$nglibon = xtrue])
 
@@ -128,7 +131,6 @@ AC_CHECK_LIB(pthread, pthread_create)
 
 
 
-
 #--------------------------------------------------------------------
 # __CHANGE__
 # Choose OpenGL platform (borrowed from Togl1.7)
@@ -162,14 +164,15 @@ esac
 AC_SUBST(LIBGLU)
 
 
-
-
+	
 
 AC_CHECK_FUNCS([pow])
 AC_CHECK_FUNCS([floor])
 AC_CHECK_HEADERS([limits.h])
 
 
+
+
 AC_CONFIG_FILES(Makefile libsrc/Makefile libsrc/csg/Makefile 
 libsrc/general/Makefile  libsrc/geom2d/Makefile libsrc/gprim/Makefile
 libsrc/include/Makefile libsrc/interface/Makefile 
@@ -178,4 +181,7 @@ libsrc/linalg/Makefile libsrc/meshing/Makefile libsrc/occ/Makefile
   libsrc/visualization/Makefile ng/Makefile nglib/Makefile
   tutorials/Makefile doc/Makefile windows/Makefile )
 
+
+
+
 AC_OUTPUT