bash-3.00$ make
make all-recursive
make[1]: Entering directory `/home/def/freeglut-2.4.0/freeglut-2.4.0'
Making all in src
make[2]: Entering directory `/home/def/freeglut-2.4.0/freeglut-2.4.0/src'
source='freeglut_callbacks.c' object='libglut_la-freeglut_callbacks.lo' libtool=yes \
depfile='.deps/libglut_la-freeglut_callbacks.Plo' tmpdepfile='.deps/libglut_la-freeglut_callbacks.TPlo' \
depmode=gcc3 /bin/sh ../depcomp \
/bin/sh ../libtool --mode=compile gcc -DHAVE_CONFIG_H -I. -I. -I.. -I../include -I/usr/X11R6/include -g -O2 -Wall -pedantic -Werror -c -o libglut_la-freeglut_callbacks.lo `test -f freeglut_callbacks.c || echo './'`freeglut_callbacks.c
rm -f .libs/libglut_la-freeglut_callbacks.lo
gcc -DHAVE_CONFIG_H -I. -I. -I.. -I../include -I/usr/X11R6/include -g -O2 -Wall -pedantic -Werror -c freeglut_callbacks.c -MT libglut_la-freeglut_callbacks.lo -MD -MP -MF .deps/libglut_la-freeglut_callbacks.TPlo -fPIC -DPIC -o .libs/libglut_la-freeglut_callbacks.lo
In file included from /usr/X11R6/include/GL/glx.h:336,
from freeglut_internal.h:95,
from freeglut_callbacks.c:29:
/usr/X11R6/include/GL/glxext.h:267: error: redefinition of `GLXFBConfigSGIX'
/usr/X11R6/include/GL/glx.h:156: error: `GLXFBConfigSGIX' previously declared here
make[2]: *** [libglut_la-freeglut_callbacks.lo] Erreur 1
make[2]: Leaving directory `/home/def/freeglut-2.4.0/freeglut-2.4.0/src'
make[1]: *** [all-recursive] Erreur 1
make[1]: Leaving directory `/home/def/freeglut-2.4.0/freeglut-2.4.0'
make: *** [all] Erreur 2