dnl This file is an input file used by the GNU "autoconf" program to dnl generate the file "configure", which is run during Tk installation dnl to configure the system for the local environment. AC_INIT(tk.h) AC_PROG_INSTALL AC_PROG_RANLIB CC=${CC-cc} AC_SUBST(CC) AC_UNISTD_H #-------------------------------------------------------------------- # Include sys/select.h if it exists and if it supplies things # that appear to be useful and aren't already in sys/types.h. # This appears to be true only on the RS/6000 under AIX. Some # systems like OSF/1 have a sys/select.h that's of no use, and # other systems like SCO UNIX have a sys/select.h that's # pernicious. If "fd_set" isn't defined anywhere then set a # special flag. #-------------------------------------------------------------------- echo checking for sys/select.h AC_COMPILE_CHECK(fd_set, [#include ], [fd_set readMask, writeMask;], , AC_HEADER_EGREP(fd_mask, sys/select.h, AC_DEFINE(HAVE_SYS_SELECT_H), AC_DEFINE(NO_FD_SET))) #-------------------------------------------------------------------- # Supply a substitute for stdlib.h if it doesn't define strtol, # strtoul, or strtod (which it doesn't in some versions of SunOS). #-------------------------------------------------------------------- echo checking for proper stdlib.h AC_HEADER_EGREP(strtol, stdlib.h, tk_stdlib=1, tk_stdlib=0) AC_HEADER_EGREP(strtoul, stdlib.h, , tk_stdlib=0) AC_HEADER_EGREP(strtod, stdlib.h, , tk_stdlib=0) if test $tk_stdlib = 0; then AC_DEFINE(NO_STDLIB_H) fi #-------------------------------------------------------------------- # Check for various typedefs and provide substitutes if # they don't exist. #-------------------------------------------------------------------- AC_MODE_T AC_PID_T AC_SIZE_T AC_UID_T #-------------------------------------------------------------------- # Locate the X11 header files and the X11 library archive. Try # the ac_find_x macro first, but if it doesn't find the X stuff # (e.g. because there's no xmkmf program) then check through # a list of possible directories. #-------------------------------------------------------------------- AC_PROGRAM_CHECK(tk_ok, xmkmf, 1, 0) if test $tk_ok = 1; then AC_FIND_X fi if test "$XINCLUDE_DIR" != ""; then x_includes="$XINCLUDE_DIR" fi if test "$x_includes" = /usr/include; then XINCLUDES="# no special path needed" elif test "$x_includes" != ""; then XINCLUDES=" -I$x_includes" else echo checking for X11 header files XINCLUDES="# no special path needed" AC_TEST_CPP([#include ], , XINCLUDES="nope") if test "$XINCLUDES" = nope; then dirs="/usr/unsupported/include /usr/local/include /usr/X386/include /usr/include/X11R4 /usr/X11R5/include /usr/include/X11R5 /usr/openwin/include /usr/X11/include" for i in $dirs ; do if test -r $i/X11/Intrinsic.h; then XINCLUDES=" -I$i" fi done fi fi if test "$XINCLUDES" = nope; then echo "Warning: couldn't find any X11 include files." XINCLUDES="# no include files found" fi AC_SUBST(XINCLUDES) if test "$XLIBRARY_DIR" != ""; then x_libraries="$XLIBRARY_DIR" fi if test "$x_libraries" = /usr/lib; then XLIBSW=-lX11 elif test "$x_libraries" != ""; then XLIBSW="-L$x_libraries -lX11" else echo "checking for X11 library archive" AC_HAVE_LIBRARY(X11, XLIBSW="-lX11", XLIBSW=nope) if test "$XLIBSW" = nope; then dirs="/usr/unsupported/lib /usr/local/lib /usr/X386/lib /usr/lib/X11R4 /usr/X11R5/lib /usr/lib/X11R5 /usr/openwin/lib /usr/X11/lib" for i in $dirs ; do if test -r $i/libX11.a; then XLIBSW="-L$i -lX11" fi done fi fi if test "$XLIBSW" = nope ; then AC_HAVE_LIBRARY(Xwindow, XLIBSW=-lXwindow) fi if test "$XLIBSW" = nope ; then echo "Warning: couldn't find the X11 library archive. Using -lX11." XLIBSW=-lX11 fi AC_SUBST(XLIBSW) #-------------------------------------------------------------------- # Check for the existence of various libraries. The order here # is important, so that then end up in the right order in the # command line generated by Make. #-------------------------------------------------------------------- AC_HAVE_LIBRARY(Xbsd, [LIBS="$LIBS -lXbsd"]) AC_HAVE_LIBRARY(socket, [LIBS="$LIBS -lsocket"]) AC_HAVE_LIBRARY(nsl, [LIBS="$LIBS -lnsl"]) AC_OUTPUT(Makefile)