diff --git a/apps/gcc_make/Makefile.am b/apps/gcc_make/Makefile.am
new file mode 100644
index 00000000..5ad61e2d
--- /dev/null
+++ b/apps/gcc_make/Makefile.am
@@ -0,0 +1,4 @@
+LIBS =
+CC_FLAGS = -Wall
+
+SUBDIRS = nexus metro tri_decimator shadevis
diff --git a/apps/gcc_make/configure.ac b/apps/gcc_make/configure.ac
new file mode 100644
index 00000000..a8aca96d
--- /dev/null
+++ b/apps/gcc_make/configure.ac
@@ -0,0 +1,46 @@
+#                                               -*- Autoconf -*-
+# Process this file with autoconf to produce a configure script.
+
+AC_PREREQ(2.59)
+AC_INIT(vcg, 0.1, ponchio@dm.unipi.it)
+AM_INIT_AUTOMAKE
+AC_CONFIG_SRCDIR([../tetra_decimator/main.cpp])
+
+# Checks for programs.
+AC_PROG_CXX
+AC_PROG_CC
+
+# Checks for libraries.
+# FIXME: Replace `main' with a function in `-lGL':
+AC_CHECK_LIB([GL], [main])
+# FIXME: Replace `main' with a function in `-lGLU':
+AC_CHECK_LIB([GLU], [main])
+# FIXME: Replace `main' with a function in `-lSDL':
+AC_CHECK_LIB([SDL], [main])
+# FIXME: Replace `main' with a function in `-lm':
+AC_CHECK_LIB([m], [main])
+# FIXME: Replace `main' with a function in `-lpthread':
+AC_CHECK_LIB([pthread], [main])
+
+# Checks for header files.
+AC_HEADER_STDC
+AC_CHECK_HEADERS([stdlib.h sys/time.h unistd.h])
+
+# Checks for typedefs, structures, and compiler characteristics.
+AC_HEADER_STDBOOL
+AC_C_CONST
+AC_C_INLINE
+AC_HEADER_TIME
+AC_STRUCT_TM
+
+# Checks for library functions.
+AC_FUNC_VPRINTF
+AC_CHECK_FUNCS([floor ftruncate gettimeofday pow sqrt strchr])
+
+AC_CONFIG_FILES([Makefile
+		nexus/Makefile
+		metro/Makefile
+		tri_decimator/Makefile
+		shadevis/Makefile])
+
+AC_OUTPUT
diff --git a/apps/gcc_make/metro/Makefile.am b/apps/gcc_make/metro/Makefile.am
new file mode 100644
index 00000000..706df949
--- /dev/null
+++ b/apps/gcc_make/metro/Makefile.am
@@ -0,0 +1,5 @@
+bin_PROGRAMS = metro
+
+metro_SOURCES = ../../metro/metro.cpp ../../../wrap/ply/plylib.cpp
+
+INCLUDES = -I../../../
diff --git a/apps/gcc_make/nexus/Makefile.am b/apps/gcc_make/nexus/Makefile.am
new file mode 100644
index 00000000..ed22565d
--- /dev/null
+++ b/apps/gcc_make/nexus/Makefile.am
@@ -0,0 +1,66 @@
+bin_PROGRAMS = 	ply2crd crdview voronoinxs nxsview nxsedit
+
+
+SDL_FLAGS = -lSDL -lpthread -lGL -lGLU
+
+
+ply2crd_SOURCES = 	../../nexus/ply2crude.cpp    	\
+			../../nexus/crude.cpp        	\
+			../../nexus/file.cpp         	\
+		  	../../../wrap/ply/plylib.cpp 	
+
+
+
+crdview_SOURCES = 	../../nexus/crudeview.cpp       \
+			../../nexus/crude.cpp           \
+			../../nexus/vert_remap.cpp      \
+			../../nexus/mfhash.cpp 		\
+		 	../../nexus/file.cpp
+crdview_LDADD = $(SDL_FLAGS)
+
+
+
+voronoinxs_SOURCES = 	../../nexus/voronoinxs.cpp 	\
+			../../nexus/crude.cpp 		\
+		     	../../nexus/file.cpp		\
+			../../nexus/vert_remap.cpp	\
+			../../nexus/mfhash.cpp 		\
+			../../nexus/nexus.cpp		\
+			../../nexus/patch.cpp 		\
+		    	../../nexus/patchserver.cpp	\
+			../../nexus/borderserver.cpp	\
+		     	../../nexus/decimate.cpp	\
+			../../nexus/nxsbuild.cpp 	\
+			../../nexus/voronoichain.cpp	\
+			../../nexus/pvoronoi.cpp 	\
+			../../../wrap/ply/plylib.cpp 	
+
+
+
+nxsview_SOURCES = 	../../nexus/nexusview.cpp 	\
+			../../nexus/nexus.cpp 		\
+		    	../../nexus/patchserver.cpp	\
+			../../nexus/borderserver.cpp	\
+			../../nexus/file.cpp 		\
+			../../nexus/nexusmt.cpp 	\
+			../../nexus/patch.cpp 		\
+		  	../../../wrap/gui/trackball.cpp	\
+			../../../wrap/gui/trackmode.cpp 	
+
+nxsview_LDFLAGS = $(SDL_FLAGS) -lGLEW
+
+
+
+nxsedit_SOURCES = 	../../nexus/nxsedit.cpp 	\
+			../../nexus/nexus.cpp 		\
+			../../nexus/patch.cpp 		\
+			../../nexus/nxsalgo.cpp 	\
+			../../../wrap/strip/tristrip.cpp\
+			../../nexus/tristripper/tri_stripper.cpp \
+		 	../../nexus/file.cpp 		\
+			../../nexus/patchserver.cpp 	\
+			../../nexus/borderserver.cpp
+
+
+
+INCLUDES = -I../../../
diff --git a/apps/gcc_make/shadevis/Makefile.am b/apps/gcc_make/shadevis/Makefile.am
new file mode 100644
index 00000000..21b1d264
--- /dev/null
+++ b/apps/gcc_make/shadevis/Makefile.am
@@ -0,0 +1,10 @@
+bin_PROGRAMS = shadevis
+
+shadevis_SOURCES = 	../../shadevis/shadevis.cpp     \
+			../../../wrap/ply/plylib.cpp    \
+		   	../../../wrap/gui/trackball.cpp \
+			../../../wrap/gui/trackmode.cpp
+
+shadevis_LDADD = -lGL -lGLU -lglut -lGLEW
+
+INCLUDES = -I../../../
diff --git a/apps/gcc_make/tri_decimator/Makefile.am b/apps/gcc_make/tri_decimator/Makefile.am
new file mode 100644
index 00000000..955678e4
--- /dev/null
+++ b/apps/gcc_make/tri_decimator/Makefile.am
@@ -0,0 +1,6 @@
+bin_PROGRAMS = tri_decimator
+
+tri_decimator_SOURCES = ../../tri_decimator/main.cpp \
+			../../../wrap/ply/plylib.cpp
+
+INCLUDES = -I../../../