Mine

slartibartfast:/home/trunk/openjpeg-libsl# make
gcc -O3 -fPIC -Ilibopenjpeg -c libopenjpeg/bio.c -o libopenjpeg/bio.o
gcc -O3 -fPIC -Ilibopenjpeg -c libopenjpeg/cio.c -o libopenjpeg/cio.o
gcc -O3 -fPIC -Ilibopenjpeg -c libopenjpeg/dwt.c -o libopenjpeg/dwt.o
gcc -O3 -fPIC -Ilibopenjpeg -c libopenjpeg/event.c -o libopenjpeg/event.o
gcc -O3 -fPIC -Ilibopenjpeg -c libopenjpeg/image.c -o libopenjpeg/image.o
gcc -O3 -fPIC -Ilibopenjpeg -c libopenjpeg/j2k.c -o libopenjpeg/j2k.o
gcc -O3 -fPIC -Ilibopenjpeg -c libopenjpeg/j2k_lib.c -o libopenjpeg/j2k_lib.o
gcc -O3 -fPIC -Ilibopenjpeg -c libopenjpeg/jp2.c -o libopenjpeg/jp2.o
gcc -O3 -fPIC -Ilibopenjpeg -c libopenjpeg/jpt.c -o libopenjpeg/jpt.o
gcc -O3 -fPIC -Ilibopenjpeg -c libopenjpeg/mct.c -o libopenjpeg/mct.o
gcc -O3 -fPIC -Ilibopenjpeg -c libopenjpeg/mqc.c -o libopenjpeg/mqc.o
gcc -O3 -fPIC -Ilibopenjpeg -c libopenjpeg/openjpeg.c -o libopenjpeg/openjpeg.o
gcc -O3 -fPIC -Ilibopenjpeg -c libopenjpeg/pi.c -o libopenjpeg/pi.o
gcc -O3 -fPIC -Ilibopenjpeg -c libopenjpeg/raw.c -o libopenjpeg/raw.o
gcc -O3 -fPIC -Ilibopenjpeg -c libopenjpeg/t1.c -o libopenjpeg/t1.o
gcc -O3 -fPIC -Ilibopenjpeg -c libopenjpeg/t2.c -o libopenjpeg/t2.o
gcc -O3 -fPIC -Ilibopenjpeg -c libopenjpeg/tcd.c -o libopenjpeg/tcd.o
gcc -O3 -fPIC -Ilibopenjpeg -c libopenjpeg/tgt.c -o libopenjpeg/tgt.o
gcc -O3 -fPIC -Ilibopenjpeg -c libsl/libsl.cpp -o libsl/libsl.o
libsl/libsl.cpp:9:1: warning: "NULL" redefined
In file included from /usr/include/wchar.h:48,
                 from /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/cwchar:55,
                 from /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/bits/postypes.h:46,
                 from /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/iosfwd:49,
                 from /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/bits/stl_algobase.h:69,
                 from /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/algorithm:65,
                 from libsl/libsl.cpp:7:
/usr/lib/gcc/i486-linux-gnu/4.1.2/include/stddef.h:400:1: warning: this is the location of the previous definition
gcc -s -shared -Wl,-soname,libopenjpeg-libsl.so.2 -o libopenjpeg-libsl-2.1.2.0.so ./libopenjpeg/bio.o ./libopenjpeg/cio.o ./libopenjpeg/dwt.o ./libopenjpeg/event.o ./libopenjpeg/image.o ./libopenjpeg/j2k.o ./libopenjpeg/j2k_lib.o ./libopenjpeg/jp2.o ./libopenjpeg/jpt.o ./libopenjpeg/mct.o ./libopenjpeg/mqc.o ./libopenjpeg/openjpeg.o ./libopenjpeg/pi.o ./libopenjpeg/raw.o ./libopenjpeg/t1.o ./libopenjpeg/t2.o ./libopenjpeg/tcd.o ./libopenjpeg/tgt.o ./libsl/libsl.o -lstdc++