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(../generic/tk.h) # SCCS: @(#) configure.in 1.87 97/08/07 10:33:08 TK_VERSION=8.0 TK_MAJOR_VERSION=8 TK_MINOR_VERSION=0 TK_PATCH_LEVEL="" VERSION=${TK_VERSION} dnl STk if test "${prefix}" = "NONE"; then dnl STk prefix=/usr/local dnl STk fi dnl STk if test "${exec_prefix}" = "NONE"; then dnl STk exec_prefix=$prefix dnl STk fi AC_PROG_RANLIB dnl STk AC_ARG_ENABLE(gcc, [ --enable-gcc allow use of gcc if available], dnl STk [tk_ok=$enableval], [tkl_ok=no]) dnl STk if test "$tk_ok" = "yes"; then dnl STk AC_PROG_CC dnl STk else dnl STk CC=${CC-cc} dnl STk AC_SUBST(CC) dnl STk fi dnl STk AC_C_CROSS AC_HAVE_HEADERS(unistd.h limits.h) dnl STk #-------------------------------------------------------------------- dnl STk # See if there was a command-line option for where Tcl is; if dnl STk # not, assume that its top-level directory is a sibling of ours. dnl STk #-------------------------------------------------------------------- dnl STk dnl STk AC_ARG_WITH(tcl, [ --with-tcl=DIR use Tcl 8.0 binaries from DIR], dnl STk TCL_BIN_DIR=$withval, TCL_BIN_DIR=`cd ../../tcl8.0b2/unix; pwd`) dnl STk if test ! -d $TCL_BIN_DIR; then dnl STk AC_MSG_ERROR(Tcl directory $TCL_BIN_DIR doesn't exist) dnl STk fi dnl STk if test ! -f $TCL_BIN_DIR/Makefile; then dnl STk AC_MSG_ERROR(There's no Makefile in $TCL_BIN_DIR; perhaps you didn't specify the Tcl *build* directory (not the toplevel Tcl directory) or you forgot to configure Tcl?) dnl STk fi dnl STk dnl STk #-------------------------------------------------------------------- dnl STk # Read in configuration information generated by Tcl for shared dnl STk # libraries, and arrange for it to be substituted into our dnl STk # Makefile. dnl STk #-------------------------------------------------------------------- dnl STk dnl STk file=$TCL_BIN_DIR/tclConfig.sh dnl STk . $file dnl STk SHLIB_CFLAGS=$TCL_SHLIB_CFLAGS dnl STk SHLIB_LD=$TCL_SHLIB_LD dnl STk SHLIB_LD_LIBS=$TCL_SHLIB_LD_LIBS dnl STk SHLIB_SUFFIX=$TCL_SHLIB_SUFFIX dnl STk SHLIB_VERSION=$TCL_SHLIB_VERSION dnl STk DL_LIBS=$TCL_DL_LIBS dnl STk LD_FLAGS=$TCL_LD_FLAGS dnl STk dnl STk LIB_RUNTIME_DIR='${LIB_RUNTIME_DIR}' dnl STk dnl STk # If Tcl and Tk are installed in different places, adjust the library dnl STk # search path to reflect this. dnl STk dnl STk if test "$TCL_EXEC_PREFIX" != "$exec_prefix"; then dnl STk LIB_RUNTIME_DIR="${LIB_RUNTIME_DIR}:${TCL_EXEC_PREFIX}" dnl STk fi dnl STk dnl STk dnl STk LIB_RUNTIME_DIR='${LIB_RUNTIME_DIR}' dnl STk dnl STk # If Tcl and Tk are installed in different places, adjust the library dnl STk # search path to reflect this. dnl STk dnl STk if test "$TCL_EXEC_PREFIX" != "$exec_prefix"; then dnl STk LIB_RUNTIME_DIR="${LIB_RUNTIME_DIR}:${TCL_EXEC_PREFIX}" dnl STk fi TCL_SRC_DIR=../../Tcl/ #-------------------------------------------------------------------- # Supply a substitute for stdlib.h if it doesn't define strtol, # strtoul, or strtod (which it doesn't in some versions of SunOS). #-------------------------------------------------------------------- AC_MSG_CHECKING(stdlib.h) AC_HEADER_EGREP(strtol, stdlib.h, tk_ok=yes, tk_ok=no) AC_HEADER_EGREP(strtoul, stdlib.h, , tk_ok=no) AC_HEADER_EGREP(strtod, stdlib.h, , tk_ok=no) if test $tk_ok = no; then AC_DEFINE(NO_STDLIB_H) fi AC_MSG_RESULT($tk_ok) #-------------------------------------------------------------------- # 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. #-------------------------------------------------------------------- AC_MSG_CHECKING([fd_set and sys/select]) AC_TRY_COMPILE([#include ], [fd_set readMask, writeMask;], tk_ok=yes, tk_ok=no) if test $tk_ok = no; then AC_HEADER_EGREP(fd_mask, sys/select.h, tk_ok=yes) if test $tk_ok = yes; then AC_DEFINE(HAVE_SYS_SELECT_H) fi fi AC_MSG_RESULT($tk_ok) if test $tk_ok = no; then AC_DEFINE(NO_FD_SET) fi #-------------------------------------------------------------------- # Check for various typedefs and provide substitutes if # they don't exist. #-------------------------------------------------------------------- AC_MODE_T AC_PID_T AC_SIZE_T AC_UID_T #------------------------------------------------------------------------------ # Find out about time handling differences. #------------------------------------------------------------------------------ AC_CHECK_HEADERS(sys/time.h) AC_HEADER_TIME #-------------------------------------------------------------------- # Locate the X11 header files and the X11 library archive. Try # the ac_path_x macro first, but if it doesn't find the X stuff # (e.g. because there's no xmkmf program) then check through # a list of possible directories. Under some conditions the # autoconf macro will return an include directory that contains # no include files, so double-check its result just to be safe. #-------------------------------------------------------------------- AC_PATH_X not_really_there="" if test "$no_x" = ""; then if test "$x_includes" = ""; then AC_TRY_CPP([#include ], , not_really_there="yes") else if test ! -r $x_includes/X11/Intrinsic.h; then not_really_there="yes" fi fi fi if test "$no_x" = "yes" -o "$not_really_there" = "yes"; then AC_MSG_CHECKING(for X11 header files) XINCLUDES="# no special path needed" AC_TRY_CPP([#include ], , XINCLUDES="nope") if test "$XINCLUDES" = nope; then dirs="/usr/unsupported/include /usr/local/include /usr/X386/include /usr/X11R6/include /usr/X11R5/include /usr/include/X11R5 /usr/include/X11R4 /usr/openwin/include /usr/X11/include /usr/sww/include" for i in $dirs ; do if test -r $i/X11/Intrinsic.h; then AC_MSG_RESULT($i) XINCLUDES=" -I$i" break fi done fi else if test "$x_includes" != ""; then XINCLUDES=-I$x_includes else XINCLUDES="# no special path needed" fi fi if test "$XINCLUDES" = nope; then AC_MSG_RESULT(couldn't find any!) XINCLUDES="# no include files found" fi if test "$no_x" = yes; then AC_MSG_CHECKING(for X11 libraries) XLIBSW=nope dirs="/usr/unsupported/lib /usr/local/lib /usr/X386/lib /usr/X11R6/lib /usr/X11R5/lib /usr/lib/X11R5 /usr/lib/X11R4 /usr/openwin/lib /usr/X11/lib /usr/sww/X11/lib" for i in $dirs ; do if test -r $i/libX11.a -o -r $i/libX11.so -o -r $i/libX11.sl; then AC_MSG_RESULT($i) XLIBSW="-L$i -lX11" x_libraries="$i" break fi done else if test "$x_libraries" = ""; then XLIBSW=-lX11 else XLIBSW="-L$x_libraries -lX11" fi fi if test "$XLIBSW" = nope ; then AC_CHECK_LIB(Xwindow, XCreateWindow, XLIBSW=-lXwindow) fi if test "$XLIBSW" = nope ; then AC_MSG_RESULT(couldn't find any! Using -lX11.) XLIBSW=-lX11 fi #-------------------------------------------------------------------- # Various manipulations on the search path used at runtime to # find shared libraries: # 1. If the X library binaries are in a non-standard directory, # add the X library location into that search path. # 2. On systems such as AIX and Ultrix that use "-L" as the # search path option, colons cannot be used to separate # directories from each other. Change colons to " -L". # 3. Create two sets of search flags, one for use in cc lines # and the other for when the linker is invoked directly. In # the second case, '-Wl,' must be stripped off and commas must # be replaced by spaces. #-------------------------------------------------------------------- if test "x${x_libraries}" != "x"; then LIB_RUNTIME_DIR="${LIB_RUNTIME_DIR}:${x_libraries}" fi if test "${TCL_LD_SEARCH_FLAGS}" = '-L${LIB_RUNTIME_DIR}'; then LIB_RUNTIME_DIR=`echo ${LIB_RUNTIME_DIR} |sed -e 's/:/ -L/g'` fi eval "TK_CC_SEARCH_FLAGS=\"$TCL_LD_SEARCH_FLAGS\"" TK_LD_SEARCH_FLAGS=`echo ${TK_CC_SEARCH_FLAGS} |sed -e "s|-Wl,||g" -e "s|,| |g"` #-------------------------------------------------------------------- # Check for the existence of various libraries. The order here # is important, so that then end up in the right order in the # command line generated by make. The -lsocket and -lnsl libraries # require a couple of special tricks: # 1. Use "connect" and "accept" to check for -lsocket, and # "gethostbyname" to check for -lnsl. # 2. Use each function name only once: can't redo a check because # autoconf caches the results of the last check and won't redo it. # 3. Use -lnsl and -lsocket only if they supply procedures that # aren't already present in the normal libraries. This is because # IRIX 5.2 has libraries, but they aren't needed and they're # bogus: they goof up name resolution if used. # 4. On some SVR4 systems, can't use -lsocket without -lnsl too. # To get around this problem, check for both libraries together # if -lsocket doesn't work by itself. #-------------------------------------------------------------------- AC_CHECK_LIB(Xbsd, main, [LIBS="$LIBS -lXbsd"]) tk_checkBoth=0 AC_CHECK_FUNC(connect, tk_checkSocket=0, tk_checkSocket=1) if test "$tk_checkSocket" = 1; then AC_CHECK_LIB(socket, main, LIBS="$LIBS -lsocket", tk_checkBoth=1) fi if test "$tk_checkBoth" = 1; then tk_oldLibs=$LIBS LIBS="$LIBS -lsocket -lnsl" AC_CHECK_FUNC(accept, tk_checkNsl=0, [LIBS=$tk_oldLibs]) fi AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, main, [LIBS="$LIBS -lnsl"])) #-------------------------------------------------------------------- # One more check related to the X libraries. The standard releases # of Ultrix don't support the "xauth" mechanism, so send won't work # unless TK_NO_SECURITY is defined. However, there are usually copies # of the MIT X server available as well, which do support xauth. # Check for the MIT stuff and use it if it exists. # # Note: can't use ac_check_lib macro (at least, not in Autoconf 2.1) # because it can't deal with the "-" in the library name. #-------------------------------------------------------------------- if test -d /usr/include/mit ; then AC_MSG_CHECKING([MIT X libraries]) tk_oldCFlags=$CFLAGS CFLAGS="$CFLAGS -I/usr/include/mit" tk_oldLibs=$LIBS LIBS="$LIBS -lX11-mit" AC_TRY_LINK([ #include ], [ XOpenDisplay(0); ], [ AC_MSG_RESULT(yes) XLIBSW="-lX11-mit" XINCLUDES="-I/usr/include/mit" ], AC_MSG_RESULT(no)) CFLAGS=$tk_oldCFlags LIBS=$tk_oldLibs fi #-------------------------------------------------------------------- # On a few very rare systems, all of the libm.a stuff is # already in libc.a. Set compiler flags accordingly. # Also, Linux requires the "ieee" library for math to # work right (and it must appear before "-lm"). #-------------------------------------------------------------------- MATH_LIBS="" AC_CHECK_FUNC(sin, , MATH_LIBS="-lm") AC_CHECK_LIB(ieee, main, [MATH_LIBS="-lieee $MATH_LIBS"]) #-------------------------------------------------------------------- # If this system doesn't have a memmove procedure, use memcpy # instead. #-------------------------------------------------------------------- AC_CHECK_FUNC(memmove, , [AC_DEFINE(memmove, memcpy)]) #-------------------------------------------------------------------- # Figure out whether "char" is unsigned. If so, set a # #define for __CHAR_UNSIGNED__. #-------------------------------------------------------------------- AC_C_CHAR_UNSIGNED #-------------------------------------------------------------------- # Under Solaris 2.4, strtod returns the wrong value for the # terminating character under some conditions. Check for this # and if the problem exists use a substitute procedure # "fixstrtod" (provided by Tcl) that corrects the error. #-------------------------------------------------------------------- AC_CHECK_FUNC(strtod, tk_strtod=1, tk_strtod=0) if test "$tk_strtod" = 1; then AC_MSG_CHECKING([for Solaris 2.4 strtod bug]) AC_TRY_RUN([ extern double strtod(); int main() { char *string = "NaN"; char *term; strtod(string, &term); if ((term != string) && (term[-1] == 0)) { exit(1); } exit(0); }], tk_ok=1, tk_ok=0, tk_ok=0) if test "$tk_ok" = 1; then AC_MSG_RESULT(ok) else AC_MSG_RESULT(buggy) AC_DEFINE(strtod, fixstrtod) fi fi #-------------------------------------------------------------------- # The statements below define a collection of symbols related to # building libtk as a shared library instead of a static library. #-------------------------------------------------------------------- dnl STk No shared library for now..... dnl STk AC_ARG_ENABLE(shared, dnl STk [ --enable-shared build libtk as a shared library], dnl STk [ok=$enableval], [ok=no]) dnl STk if test "$ok" = "yes" -a "${SHLIB_SUFFIX}" != ""; then dnl STk TK_SHLIB_CFLAGS="${SHLIB_CFLAGS}" dnl STk eval "TK_LIB_FILE=libtk${TCL_SHARED_LIB_SUFFIX}" dnl STk MAKE_LIB="\${SHLIB_LD} -o ${TK_LIB_FILE} \${OBJS} \$(TK_LD_SEARCH_FLAGS) ${SHLIB_LD_LIBS}" dnl STk RANLIB=":" dnl STk else dnl STk TK_SHLIB_CFLAGS="" dnl STk eval "TK_LIB_FILE=libtk${TCL_UNSHARED_LIB_SUFFIX}" dnl STk MAKE_LIB="ar cr ${TK_LIB_FILE} \${OBJS}" dnl STK fi TK_SHLIB_CFLAGS="" TK_LIB_FILE=libtk.a MAKE_LIB="ar cr ${TK_LIB_FILE} \${OBJS}" # Note: in the following variable, it's important to use the absolute # path name of the Tcl directory rather than "..": this is because # AIX remembers this path and will attempt to use it at run-time to look # up the Tcl library. if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then TK_BUILD_LIB_SPEC="-L`pwd` -ltk${VERSION}" TK_LIB_SPEC="-L${exec_prefix}/lib -ltk${VERSION}" else TK_BUILD_LIB_SPEC="-L`pwd` -ltk`echo ${VERSION} | tr -d .`" TK_LIB_SPEC="-L${exec_prefix}/lib -ltk`echo ${VERSION} | tr -d .`" fi AC_SUBST(CC) AC_SUBST(DL_LIBS) AC_SUBST(LD_FLAGS) AC_SUBST(MATH_LIBS) AC_SUBST(MAKE_LIB) AC_SUBST(SHLIB_CFLAGS) AC_SUBST(SHLIB_LD) AC_SUBST(SHLIB_LD_LIBS) AC_SUBST(SHLIB_SUFFIX) AC_SUBST(SHLIB_VERSION) AC_SUBST(TCL_BIN_DIR) AC_SUBST(TCL_BUILD_LIB_SPEC) AC_SUBST(TCL_SRC_DIR) AC_SUBST(TCL_VERSION) AC_SUBST(TK_BUILD_LIB_SPEC) AC_SUBST(TK_CC_SEARCH_FLAGS) AC_SUBST(TK_LD_SEARCH_FLAGS) AC_SUBST(TK_LIB_FILE) AC_SUBST(TK_LIB_SPEC) AC_SUBST(TK_MAJOR_VERSION) AC_SUBST(TK_MINOR_VERSION) AC_SUBST(TK_PATCH_LEVEL) AC_SUBST(TK_SHLIB_CFLAGS) AC_SUBST(TK_SRC_DIR) AC_SUBST(TK_VERSION) AC_SUBST(XINCLUDES) AC_SUBST(XLIBSW) AC_OUTPUT(Makefile)