JPEG_CFLAGS= JPEG_LIBS= if test "$enable_jpeg" == "yes"; then AC_CHECK_HEADER(jpeglib.h,[ AC_CHECK_LIB(jpeg,jpeg_read_header,, [ AC_MSG_ERROR([jpeg: error - libjpeg not found]) ]) ],[ AC_MSG_ERROR([jpeg: error - jpeg header not found]) ]) JPEG_CFLAGS='${WP_CPPFLAGS}' JPEG_LIBS="-ljpeg "'${PLUGIN_LIBS}' fi AC_SUBST([JPEG_CFLAGS]) AC_SUBST([JPEG_LIBS])