Malcolm, please review. Vin says it solves his "can't find libpng" problem, but I'm not entirely sure what the logic is supposed to be now. Index: ChangeLog =================================================================== RCS file: /pack/xemacscvs/XEmacs/xemacs/ChangeLog,v retrieving revision 1.444 diff -u -U0 -r1.444 ChangeLog --- ChangeLog 14 Mar 2005 12:22:16 -0000 1.444 +++ ChangeLog 15 Mar 2005 03:14:37 -0000 ＠＠ -0,0 +1,4 ＠＠ +2005-03-15 Stephen J. Turnbull <stephen(a)xemacs.org&gt; + + * configure.ac (Autodetect PNG): PNG & TIFF need -lz in AC_CHECK_LIB. + Index: configure.ac =================================================================== RCS file: /pack/xemacscvs/XEmacs/xemacs/configure.ac,v retrieving revision 1.3 diff -u -r1.3 configure.ac --- configure.ac 14 Mar 2005 12:22:22 -0000 1.3 +++ configure.ac 15 Mar 2005 03:14:44 -0000 ＠＠ -3811,7 +3811,7 ＠＠ png_problem="" test -z "$with_png" && { AC_CHECK_FUNC(pow, ,with_png=no) } test -z "$with_png" && { AC_CHECK_HEADER(png.h, ,with_png=no) } - test -z "$with_png" && { AC_CHECK_LIB(png, png_read_image,[:],with_png=no) } + test -z "$with_png" && { AC_CHECK_LIB(png, png_read_image,[:],with_png=no,[-lz]) } if test -z "$with_png"; then AC_MSG_CHECKING(for workable png version information) xe_check_libs="-lpng -lz" ＠＠ -3847,7 +3847,7 ＠＠ dnl autodetect TIFF test -z "$with_tiff" && { AC_CHECK_HEADER(tiffio.h, ,with_tiff=no) } - test -z "$with_tiff" && { AC_CHECK_LIB(tiff, TIFFClientOpen,[:],with_tiff=no) } + test -z "$with_tiff" && { AC_CHECK_LIB(tiff, TIFFClientOpen,[:],with_tiff=no,[-lz]) } test -z "$with_tiff" && with_tiff=yes if test "$with_tiff" = "yes"; then AC_DEFINE(HAVE_TIFF) -- Institute of Policy and Planning Sciences http://turnbull.sk.tsukuba.ac.jp University of Tsukuba Tennodai 1-1-1 Tsukuba 305-8573 JAPAN Ask not how you can "do" free software business; ask what your business can "do for" free software. -- Institute of Policy and Planning Sciences http://turnbull.sk.tsukuba.ac.jp University of Tsukuba Tennodai 1-1-1 Tsukuba 305-8573 JAPAN Ask not how you can "do" free software business; ask what your business can "do for" free software.