gcc -DHAVE_CONFIG_H -I. -I. -I../.. -g -Wall -I/usr/local/include/glib-2.0 -I/usr/local/lib/glib-2.0/include -D_REENTRANT -I/usr/local/include/gstreamer-0.10 -I/usr/local/include/glib-2.0 -I/usr/local/lib/glib-2.0/include -I/usr/local/include/libxml2 -I/usr/local/include -I/usr/local/include/cairo -I/usr/local/include/freetype2 -I/usr/local/include -I/usr/X11R6/include -D_GNU_SOURCE=1 -D_REENTRANT -I/usr/include/SDL -I../../libs/pgm/render/render -g -O2 -MT libpgmrendergl1_la-pgmrendergl1.lo -MD -MP -MF .deps/libpgmrendergl1_la-pgmrendergl1.Tpo -c pgmrendergl1.c  -fPIC -DPIC -o .libs/libpgmrendergl1_la-pgmrendergl1.o
In file included from pgmrendergl1.c:21:
pgmrendergl1.h:29:17: SDL.h: No such file or directory