[Devel] New problem compiling ft2demos 2.1.9

[Pierre]

# make
../freetype2/builds/unix/libtool --mode=link gcc -o 
/tmp/ft2demos-2.1.9/bin/ftview /tmp/ft2demos-2.1.9/obj/ftview.o -lz 
/tmp/freetype2/objs/libfreetype.la  /tmp/ft2demos-2.1.9/obj/common.o 
/tmp/ft2demos-2.1.9/obj/graph.a -R/usr/X11R6/lib -L/usr/X11R6/lib -lX11
gcc -o /tmp/ft2demos-2.1.9/bin/.libs/ftview 
/tmp/ft2demos-2.1.9/obj/ftview.o /tmp/ft2demos-2.1.9/obj/common.o 
/tmp/freetype2/objs/.libs/libfreetype.so -lz 
/tmp/ft2demos-2.1.9/obj/graph.a -L/usr/X11R6/lib -lX11 -Wl,--rpath 
-Wl,/usr/X11R6/lib
/tmp/ft2demos-2.1.9/obj/ftview.o(.text+0x1c5e): In function `main':
: undefined reference to `pow'
/tmp/ft2demos-2.1.9/obj/graph.a(gblender.o)(.text+0x453): In function 
`gblender_init':
: undefined reference to `pow'
/tmp/ft2demos-2.1.9/obj/graph.a(gblender.o)(.text+0x488): In function 
`gblender_init':
: undefined reference to `pow'
/tmp/ft2demos-2.1.9/obj/graph.a(gblender.o)(.text+0x4d8): In function 
`gblender_init':
: undefined reference to `pow'
/tmp/ft2demos-2.1.9/obj/graph.a(gblender.o)(.text+0x602): In function 
`gblender_init':
: undefined reference to `pow'
collect2: ld returned 1 exit status
make: *** [/tmp/ft2demos-2.1.9/bin/ftview] Error 1