Ajout de la bibliothèque graphique et d'un exemple

lib/libgraph.la

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+# libgraph.la - a libtool library file
+# Generated by libtool (GNU libtool) 2.4.2
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname='libgraph.so.0'
+
+# Names of this library.
+library_names='libgraph.so.0.0.0 libgraph.so.0 libgraph.so'
+
+# The name of the static archive.
+old_library='libgraph.a'
+
+# Linker flags that can not go in dependency_libs.
+inherited_linker_flags=''
+
+# Libraries that this one depends upon.
+dependency_libs=' -lX11 -lm -lXpm'
+
+# Names of additional weak libraries provided by this library
+weak_library_names=''
+
+# Version information for libgraph.
+current=0
+age=0
+revision=0
+
+# Is this an already installed library?
+installed=yes
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=no
+
+# Files to dlopen/dlpreopen
+dlopen=''
+dlpreopen=''
+
+# Directory that this library needs to be installed in:
+libdir='/usr/lib'

lib/libgraph.so

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+libgraph.so.0.0.0

lib/libgraph.so.0

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+libgraph.so.0.0.0