dnl This file is an input file used by the GNU "autoconf" program to dnl generate the file "configure", which is run during Tcl installation dnl to configure the system for the local environment. AC_INIT(../generic/tcl.h) # RCS: @(#) $Id: configure.in,v 1.40 1999/06/10 21:47:45 wart Exp $ TCL_VERSION=8.1 TCL_MAJOR_VERSION=8 TCL_MINOR_VERSION=1 # The patch level should be blank for all patch releases (i.e. non-alpha/beta) TCL_PATCH_LEVEL= VERSION=${TCL_VERSION} if test "${prefix}" = "NONE"; then prefix=/usr/local fi if test "${exec_prefix}" = "NONE"; then exec_prefix=$prefix fi TCL_SRC_DIR=`cd $srcdir/..; pwd` AC_PROG_RANLIB SC_ENABLE_GCC AC_C_CROSS # Threads support SC_ENABLE_THREADS # set the warning flags depending on whether or not we are using gcc if test "${GCC}" = "yes" ; then CFLAGS_WARNING="-Wall -Wconversion" else CFLAGS_WARNING="" fi #----------------------------- # 64-bit support #----------------------------- AC_ARG_ENABLE(64bit,[ --enable-64bit enable 64bit support],,enableval="no") if test "$enableval" = "yes"; then AC_MSG_RESULT(Will compile with 64bit support) do64bit=yes else do64bit=no fi #------------------------------------------------------------------------------ # If we're using GCC, see if the compiler understands -pipe. If so, use it. # It makes compiling go faster. (This is only a performance feature.) #------------------------------------------------------------------------------ if test -z "$no_pipe"; then if test -n "$GCC"; then AC_MSG_CHECKING([if the compiler understands -pipe]) OLDCC="$CC" CC="$CC -pipe" AC_TRY_COMPILE(,, AC_MSG_RESULT(yes), CC="$OLDCC" AC_MSG_RESULT(no)) fi fi #-------------------------------------------------------------------- # Supply substitutes for missing POSIX library procedures, or # set flags so Tcl uses alternate procedures. #-------------------------------------------------------------------- # Check if Posix compliant getcwd exists, if not we'll use getwd. AC_CHECK_FUNCS(getcwd, , AC_DEFINE(USEGETWD)) # Nb: if getcwd uses popen and pwd(1) (like SunOS 4) we should really # define USEGETWD even if the posix getcwd exists. Add a test ? AC_REPLACE_FUNCS(opendir strstr) AC_REPLACE_FUNCS(strtol tmpnam waitpid) AC_CHECK_FUNC(strerror, , AC_DEFINE(NO_STRERROR)) AC_CHECK_FUNC(getwd, , AC_DEFINE(NO_GETWD)) AC_CHECK_FUNC(wait3, , AC_DEFINE(NO_WAIT3)) AC_CHECK_FUNC(uname, , AC_DEFINE(NO_UNAME)) AC_CHECK_FUNC(realpath, , AC_DEFINE(NO_REALPATH)) #-------------------------------------------------------------------- # 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"). #-------------------------------------------------------------------- AC_CHECK_FUNC(sin, MATH_LIBS="", MATH_LIBS="-lm") AC_CHECK_LIB(ieee, main, [MATH_LIBS="-lieee $MATH_LIBS"]) #-------------------------------------------------------------------- # On AIX systems, libbsd.a has to be linked in to support # non-blocking file IO. This library has to be linked in after # the MATH_LIBS or it breaks the pow() function. The way to # insure proper sequencing, is to add it to the tail of MATH_LIBS. # This library also supplies gettimeofday. #-------------------------------------------------------------------- libbsd=no if test "`uname -s`" = "AIX" ; then AC_CHECK_LIB(bsd, gettimeofday, libbsd=yes) if test $libbsd = yes; then MATH_LIBS="$MATH_LIBS -lbsd" fi fi #-------------------------------------------------------------------- # Supply substitutes for missing POSIX header files. Special # notes: # - stdlib.h doesn't define strtol, strtoul, or # strtod insome versions of SunOS # - some versions of string.h don't declare procedures such # as strstr #-------------------------------------------------------------------- AC_MSG_CHECKING(dirent.h) AC_TRY_LINK([#include #include ], [ #ifndef _POSIX_SOURCE # ifdef __Lynx__ /* * Generate compilation error to make the test fail: Lynx headers * are only valid if really in the POSIX environment. */ missing_procedure(); # endif #endif DIR *d; struct dirent *entryPtr; char *p; d = opendir("foobar"); entryPtr = readdir(d); p = entryPtr->d_name; closedir(d); ], tcl_ok=yes, tcl_ok=no) if test $tcl_ok = no; then AC_DEFINE(NO_DIRENT_H) fi AC_MSG_RESULT($tcl_ok) AC_CHECK_HEADER(errno.h, , AC_DEFINE(NO_ERRNO_H)) AC_CHECK_HEADER(float.h, , AC_DEFINE(NO_FLOAT_H)) AC_CHECK_HEADER(values.h, , AC_DEFINE(NO_VALUES_H)) AC_CHECK_HEADER(limits.h, , AC_DEFINE(NO_LIMITS_H)) AC_CHECK_HEADER(stdlib.h, tcl_ok=1, tcl_ok=0) AC_EGREP_HEADER(strtol, stdlib.h, , tcl_ok=0) AC_EGREP_HEADER(strtoul, stdlib.h, , tcl_ok=0) AC_EGREP_HEADER(strtod, stdlib.h, , tcl_ok=0) if test $tcl_ok = 0; then AC_DEFINE(NO_STDLIB_H) fi AC_CHECK_HEADER(string.h, tcl_ok=1, tcl_ok=0) AC_EGREP_HEADER(strstr, string.h, , tcl_ok=0) AC_EGREP_HEADER(strerror, string.h, , tcl_ok=0) # See also memmove check below for a place where NO_STRING_H can be # set and why. if test $tcl_ok = 0; then AC_DEFINE(NO_STRING_H) fi AC_CHECK_HEADER(sys/wait.h, , AC_DEFINE(NO_SYS_WAIT_H)) AC_CHECK_HEADER(dlfcn.h, , AC_DEFINE(NO_DLFCN_H)) # OS/390 lacks sys/param.h (and doesn't need it, by chance). AC_HAVE_HEADERS(unistd.h sys/param.h) #--------------------------------------------------------------------------- # Determine which interface to use to talk to the serial port. # Note that #include lines must begin in leftmost column for # some compilers to recognize them as preprocessor directives. #--------------------------------------------------------------------------- AC_MSG_CHECKING([termios vs. termio vs. sgtty]) AC_TRY_RUN([ #include main() { struct termios t; if (tcgetattr(0, &t) == 0) { cfsetospeed(&t, 0); t.c_cflag |= PARENB | PARODD | CSIZE | CSTOPB; return 0; } return 1; }], tk_ok=termios, tk_ok=no, tk_ok=no) if test $tk_ok = termios; then AC_DEFINE(USE_TERMIOS) else AC_TRY_RUN([ #include main() { struct termio t; if (ioctl(0, TCGETA, &t) == 0) { t.c_cflag |= CBAUD | PARENB | PARODD | CSIZE | CSTOPB; return 0; } return 1; }], tk_ok=termio, tk_ok=no, tk_ok=no) if test $tk_ok = termio; then AC_DEFINE(USE_TERMIO) else AC_TRY_RUN([ #include main() { struct sgttyb t; if (ioctl(0, TIOCGETP, &t) == 0) { t.sg_ospeed = 0; t.sg_flags |= ODDP | EVENP | RAW; return 0; } return 1; }], tk_ok=sgtty, tk_ok=none, tk_ok=none) if test $tk_ok = sgtty; then AC_DEFINE(USE_SGTTY) fi fi fi AC_MSG_RESULT($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 $tk_ok = no; then AC_DEFINE(NO_FD_SET) fi #------------------------------------------------------------------------------ # Find out all about time handling differences. #------------------------------------------------------------------------------ AC_CHECK_HEADERS(sys/time.h) AC_HEADER_TIME AC_STRUCT_TIMEZONE AC_MSG_CHECKING([tm_tzadj in struct tm]) AC_TRY_COMPILE([#include ], [struct tm tm; tm.tm_tzadj;], [AC_DEFINE(HAVE_TM_TZADJ) AC_MSG_RESULT(yes)], AC_MSG_RESULT(no)) AC_MSG_CHECKING([tm_gmtoff in struct tm]) AC_TRY_COMPILE([#include ], [struct tm tm; tm.tm_gmtoff;], [AC_DEFINE(HAVE_TM_GMTOFF) AC_MSG_RESULT(yes)], AC_MSG_RESULT(no)) # # Its important to include time.h in this check, as some systems (like convex) # have timezone functions, etc. # have_timezone=no AC_MSG_CHECKING([long timezone variable]) AC_TRY_COMPILE([#include ], [extern long timezone; timezone += 1; exit (0);], [have_timezone=yes AC_DEFINE(HAVE_TIMEZONE_VAR) AC_MSG_RESULT(yes)], AC_MSG_RESULT(no)) # # On some systems (eg IRIX 6.2), timezone is a time_t and not a long. # if test "$have_timezone" = no; then AC_MSG_CHECKING([time_t timezone variable]) AC_TRY_COMPILE([#include ], [extern time_t timezone; timezone += 1; exit (0);], [AC_DEFINE(HAVE_TIMEZONE_VAR) AC_MSG_RESULT(yes)], AC_MSG_RESULT(no)) fi # # AIX does not have a timezone field in struct tm. When the AIX bsd # library is used, the timezone global and the gettimeofday methods are # to be avoided for timezone deduction instead, we deduce the timezone # by comparing the localtime result on a known GMT value. # if test $libbsd = yes; then AC_DEFINE(USE_DELTA_FOR_TZ) fi #-------------------------------------------------------------------- # Some systems (e.g., IRIX 4.0.5) lack the st_blksize field # in struct stat. But we might be able to use fstatfs instead. #-------------------------------------------------------------------- AC_STRUCT_ST_BLKSIZE AC_CHECK_FUNC(fstatfs, , AC_DEFINE(NO_FSTATFS)) #-------------------------------------------------------------------- # Some system have no memcmp or it does not work with 8 bit # data, this checks it and add memcmp.o to LIBOBJS if needed #-------------------------------------------------------------------- AC_FUNC_MEMCMP #-------------------------------------------------------------------- # Some system like SunOS 4 and other BSD like systems # have no memmove (we assume they have bcopy instead). # {The replacement define is in compat/string.h} #-------------------------------------------------------------------- AC_CHECK_FUNC(memmove, , AC_DEFINE(NO_MEMMOVE) AC_DEFINE(NO_STRING_H)) #-------------------------------------------------------------------- # On some systems strstr is broken: it returns a pointer even # even if the original string is empty. #-------------------------------------------------------------------- AC_MSG_CHECKING([proper strstr implementation]) AC_TRY_RUN([ extern int strstr(); int main() { exit(strstr("\0test", "test") ? 1 : 0); } ], tcl_ok=yes, tcl_ok=no, tcl_ok=no) if test $tcl_ok = yes; then AC_MSG_RESULT(yes) else AC_MSG_RESULT([broken, using substitute]) LIBOBJS="$LIBOBJS strstr.o" fi #-------------------------------------------------------------------- # Check for strtoul function. This is tricky because under some # versions of AIX strtoul returns an incorrect terminator # pointer for the string "0". #-------------------------------------------------------------------- AC_CHECK_FUNC(strtoul, tcl_ok=1, tcl_ok=0) AC_TRY_RUN([ extern int strtoul(); int main() { char *string = "0"; char *term; int value; value = strtoul(string, &term, 0); if ((value != 0) || (term != (string+1))) { exit(1); } exit(0); }], , tcl_ok=0, tcl_ok=0) if test "$tcl_ok" = 0; then test -n "$verbose" && echo " Adding strtoul.o." LIBOBJS="$LIBOBJS strtoul.o" fi #-------------------------------------------------------------------- # Check for the strtod function. This is tricky because in some # versions of Linux strtod mis-parses strings starting with "+". #-------------------------------------------------------------------- AC_CHECK_FUNC(strtod, tcl_ok=1, tcl_ok=0) AC_TRY_RUN([ extern double strtod(); int main() { char *string = " +69"; char *term; double value; value = strtod(string, &term); if ((value != 69) || (term != (string+4))) { exit(1); } exit(0); }], , tcl_ok=0, tcl_ok=0) if test "$tcl_ok" = 0; then test -n "$verbose" && echo " Adding strtod.o." LIBOBJS="$LIBOBJS strtod.o" fi #-------------------------------------------------------------------- # 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" that corrects the error. #-------------------------------------------------------------------- AC_CHECK_FUNC(strtod, tcl_strtod=1, tcl_strtod=0) if test "$tcl_strtod" = 1; then AC_MSG_CHECKING([for Solaris 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); }], tcl_ok=1, tcl_ok=0, tcl_ok=0) if test $tcl_ok = 1; then AC_MSG_RESULT(ok) else AC_MSG_RESULT(buggy) LIBOBJS="$LIBOBJS fixstrtod.o" AC_DEFINE(strtod, fixstrtod) fi fi #-------------------------------------------------------------------- # Check for various typedefs and provide substitutes if # they don't exist. #-------------------------------------------------------------------- AC_TYPE_MODE_T AC_TYPE_PID_T AC_TYPE_SIZE_T AC_TYPE_UID_T #-------------------------------------------------------------------- # If a system doesn't have an opendir function (man, that's old!) # then we have to supply a different version of dirent.h which # is compatible with the substitute version of opendir that's # provided. This version only works with V7-style directories. #-------------------------------------------------------------------- AC_CHECK_FUNC(opendir, , AC_DEFINE(USE_DIRENT2_H)) #-------------------------------------------------------------------- # The check below checks whether defines the type # "union wait" correctly. It's needed because of weirdness in # HP-UX where "union wait" is defined in both the BSD and SYS-V # environments. Checking the usability of WIFEXITED seems to do # the trick. #-------------------------------------------------------------------- AC_MSG_CHECKING([union wait]) AC_TRY_LINK([#include #include ], [ union wait x; WIFEXITED(x); /* Generates compiler error if WIFEXITED * uses an int. */ ], tcl_ok=yes, tcl_ok=no) AC_MSG_RESULT($tcl_ok) if test $tcl_ok = no; then AC_DEFINE(NO_UNION_WAIT) fi #-------------------------------------------------------------------- # Check to see whether the system supports the matherr function # and its associated type "struct exception". #-------------------------------------------------------------------- AC_MSG_CHECKING([matherr support]) AC_TRY_COMPILE([#include ], [ struct exception x; x.type = DOMAIN; x.type = SING; ], tcl_ok=yes, tcl_ok=no) AC_MSG_RESULT($tcl_ok) if test $tcl_ok = yes; then AC_DEFINE(NEED_MATHERR) fi #-------------------------------------------------------------------- # Check to see whether the system provides a vfork kernel call. # If not, then use fork instead. Also, check for a problem with # vforks and signals that can cause core dumps if a vforked child # resets a signal handler. If the problem exists, then use fork # instead of vfork. #-------------------------------------------------------------------- AC_TYPE_SIGNAL() AC_CHECK_FUNC(vfork, tcl_ok=1, tcl_ok=0) if test "$tcl_ok" = 1; then AC_MSG_CHECKING([vfork/signal bug]); AC_TRY_RUN([ #include #include #include int gotSignal = 0; sigProc(sig) int sig; { gotSignal = 1; } main() { int pid, sts; (void) signal(SIGCHLD, sigProc); pid = vfork(); if (pid < 0) { exit(1); } else if (pid == 0) { (void) signal(SIGCHLD, SIG_DFL); _exit(0); } else { (void) wait(&sts); } exit((gotSignal) ? 0 : 1); }], tcl_ok=1, tcl_ok=0, tcl_ok=0) if test "$tcl_ok" = 1; then AC_MSG_RESULT(ok) else AC_MSG_RESULT([buggy, using fork instead]) fi fi rm -f core if test "$tcl_ok" = 0; then AC_DEFINE(vfork, fork) fi #-------------------------------------------------------------------- # Check whether there is an strncasecmp function on this system. # This is a bit tricky because under SCO it's in -lsocket and # under Sequent Dynix it's in -linet. #-------------------------------------------------------------------- AC_CHECK_FUNC(strncasecmp, tcl_ok=1, tcl_ok=0) if test "$tcl_ok" = 0; then AC_CHECK_LIB(socket, strncasecmp, tcl_ok=1, tcl_ok=0) fi if test "$tcl_ok" = 0; then AC_CHECK_LIB(inet, strncasecmp, tcl_ok=1, tcl_ok=0) fi if test "$tcl_ok" = 0; then LIBOBJS="$LIBOBJS strncasecmp.o" fi #-------------------------------------------------------------------- # The code below deals with several issues related to gettimeofday: # 1. Some systems don't provide a gettimeofday function at all # (set NO_GETTOD if this is the case). # 2. SGI systems don't use the BSD form of the gettimeofday function, # but they have a BSDgettimeofday function that can be used instead. # 3. See if gettimeofday is declared in the header file. # if not, set the GETTOD_NOT_DECLARED flag so that tclPort.h can # declare it. #-------------------------------------------------------------------- AC_CHECK_FUNC(BSDgettimeofday, AC_DEFINE(HAVE_BSDGETTIMEOFDAY), AC_CHECK_FUNC(gettimeofday, , AC_DEFINE(NO_GETTOD))) AC_MSG_CHECKING([for gettimeofday declaration]) AC_EGREP_HEADER(gettimeofday, sys/time.h, AC_MSG_RESULT(present), [ AC_MSG_RESULT(missing) AC_DEFINE(GETTOD_NOT_DECLARED) ]) #-------------------------------------------------------------------- # Interactive UNIX requires -linet instead of -lsocket, plus it # needs net/errno.h to define the socket-related error codes. #-------------------------------------------------------------------- AC_CHECK_LIB(inet, main, [LIBS="$LIBS -linet"]) AC_CHECK_HEADER(net/errno.h, AC_DEFINE(HAVE_NET_ERRNO_H)) #-------------------------------------------------------------------- # The following code checks to see whether it is possible to get # signed chars on this platform. This is needed in order to # properly generate sign-extended ints from character values. #-------------------------------------------------------------------- AC_C_CHAR_UNSIGNED AC_MSG_CHECKING([signed char declarations]) AC_TRY_COMPILE(, [ signed char *p; p = 0; ], tcl_ok=yes, tcl_ok=no) AC_MSG_RESULT($tcl_ok) if test $tcl_ok = yes; then AC_DEFINE(HAVE_SIGNED_CHAR) fi #-------------------------------------------------------------------- # Check for the existence of the -lsocket and -lnsl libraries. # The order here is important, so that they end up in the right # order in the command line generated by make. Here are some # special considerations: # 1. Use "connect" and "accept" to check for -lsocket, and # "gethostbyname" to check for -lnsl. # 2. Use each function name only once: can't redo a check because # autoconf caches the results of the last check and won't redo it. # 3. Use -lnsl and -lsocket only if they supply procedures that # aren't already present in the normal libraries. This is because # IRIX 5.2 has libraries, but they aren't needed and they're # bogus: they goof up name resolution if used. # 4. On some SVR4 systems, can't use -lsocket without -lnsl too. # To get around this problem, check for both libraries together # if -lsocket doesn't work by itself. #-------------------------------------------------------------------- tcl_checkBoth=0 AC_CHECK_FUNC(connect, tcl_checkSocket=0, tcl_checkSocket=1) if test "$tcl_checkSocket" = 1; then AC_CHECK_LIB(socket, main, LIBS="$LIBS -lsocket", tcl_checkBoth=1) fi if test "$tcl_checkBoth" = 1; then tk_oldLibs=$LIBS LIBS="$LIBS -lsocket -lnsl" AC_CHECK_FUNC(accept, tcl_checkNsl=0, [LIBS=$tk_oldLibs]) fi AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, main, [LIBS="$LIBS -lnsl"])) # Add the threads support libraries LIBS="$LIBS$THREADS_LIBS" #-------------------------------------------------------------------- # The statement below defines a collection of symbols related to # dynamic loading and shared libraries. # # DL_OBJS - Name of the object file that implements dynamic # loading for Tcl on this system. # DL_LIBS - Library file(s) to include in tclsh and other base # applications in order for the "load" command to work. # LD_FLAGS - Flags to pass to the compiler when linking object # files into an executable application binary such # as tclsh. # LD_SEARCH_FLAGS-Flags to pass to ld, such as "-R /usr/local/tcl/lib", # that tell the run-time dynamic linker where to look # for shared libraries such as libtcl.so. Depends on # the variable LIB_RUNTIME_DIR in the Makefile. # MAKE_LIB - Command to execute to build the Tcl library; # differs depending on whether or not Tcl is being # compiled as a shared library. # SHLIB_CFLAGS - Flags to pass to cc when compiling the components # of a shared library (may request position-independent # code, among other things). # SHLIB_LD - Base command to use for combining object files # into a shared library. # SHLIB_LD_LIBS - Dependent libraries for the linker to scan when # creating shared libraries. This symbol typically # goes at the end of the "ld" commands that build # shared libraries. The value of the symbol is # "${LIBS}" if all of the dependent libraries should # be specified when creating a shared library. If # dependent libraries should not be specified (as on # SunOS 4.x, where they cause the link to fail, or in # general if Tcl and Tk aren't themselves shared # libraries), then this symbol has an empty string # as its value. # SHLIB_SUFFIX - Suffix to use for the names of dynamically loadable # extensions. An empty string means we don't know how # to use shared libraries on this platform. # TCL_LIB_FILE - Name of the file that contains the Tcl library, such # as libtcl7.8.so or libtcl7.8.a. # TCL_LIB_SUFFIX -Specifies everything that comes after the "libtcl" # in the shared library name, using the $VERSION variable # to put the version in the right place. This is used # by platforms that need non-standard library names. # Examples: ${VERSION}.so.1.1 on NetBSD, since it needs # to have a version after the .so, and ${VERSION}.a # on AIX, since the Tcl shared library needs to have # a .a extension whereas shared objects for loadable # extensions have a .so extension. Defaults to # ${VERSION}${SHLIB_SUFFIX}. # TCL_NEEDS_EXP_FILE - # 1 means that an export file is needed to link to a # shared library. # # TCL_EXP_FILE - The name of the installed export / import file which # should be used to link to the Tcl shared library. # Empty if Tcl is unshared. # TCL_BUILD_EXP_FILE - # The name of the built export / import file which # should be used to link to the Tcl shared library. # Empty if Tcl is unshared. #-------------------------------------------------------------------- SC_TCL_CONFIG_CFLAGS # Set the default compiler switches based on the --enable-symbols option SC_ENABLE_SYMBOLS TCL_DBGX=${DBGX} CFLAGS=${CFLAGS_DEFAULT} #-------------------------------------------------------------------- # The statements below check for systems where POSIX-style # non-blocking I/O (O_NONBLOCK) doesn't work or is unimplemented. # On these systems (mostly older ones), use the old BSD-style # FIONBIO approach instead. #-------------------------------------------------------------------- AC_CHECK_HEADERS(sys/ioctl.h) AC_CHECK_HEADERS(sys/filio.h) AC_MSG_CHECKING([FIONBIO vs. O_NONBLOCK for nonblocking I/O]) if test -f /usr/lib/NextStep/software_version; then system=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version` else system=`uname -s`-`uname -r` if test "$?" -ne 0 ; then system=unknown else # Special check for weird MP-RAS system (uname returns weird # results, and the version is kept in special file). if test -r /etc/.relid -a "X`uname -n`" = "X`uname -s`" ; then system=MP-RAS-`awk '{print $3}' /etc/.relid'` fi if test "`uname -s`" = "AIX" ; then system=AIX-`uname -v`.`uname -r` fi fi fi case $system in # There used to be code here to use FIONBIO under AIX. However, it # was reported that FIONBIO doesn't work under AIX 3.2.5. Since # using O_NONBLOCK seems fine under AIX 4.*, I removed the FIONBIO # code (JO, 5/31/97). OSF*) AC_DEFINE(USE_FIONBIO) AC_MSG_RESULT(FIONBIO) ;; SunOS-4*) AC_DEFINE(USE_FIONBIO) AC_MSG_RESULT(FIONBIO) ;; ULTRIX-4.*) AC_DEFINE(USE_FIONBIO) AC_MSG_RESULT(FIONBIO) ;; *) AC_MSG_RESULT(O_NONBLOCK) ;; esac #-------------------------------------------------------------------- # The statements below define a collection of symbols related to # building libtcl as a shared library instead of a static library. #-------------------------------------------------------------------- realRanlib=$RANLIB if test "$TCL_SHARED_LIB_SUFFIX" = "" ; then TCL_SHARED_LIB_SUFFIX='${VERSION}\$\{DBGX\}${SHLIB_SUFFIX}' fi if test "$TCL_UNSHARED_LIB_SUFFIX" = "" ; then TCL_UNSHARED_LIB_SUFFIX='${VERSION}\$\{DBGX\}.a' fi AC_ARG_ENABLE(shared, [ --enable-shared build libtcl as a shared library (on by default)], [tcl_ok=$enableval], [tcl_ok=yes]) if test "$tcl_ok" = "yes" -a "${SHLIB_SUFFIX}" != "" ; then TCL_SHARED_BUILD=1 TCL_SHLIB_CFLAGS="${SHLIB_CFLAGS}" TCL_LD_SEARCH_FLAGS="${LD_SEARCH_FLAGS}" eval "TCL_LIB_FILE=libtcl${TCL_SHARED_LIB_SUFFIX}" if test "x$DL_OBJS" = "xtclLoadAout.o"; then MAKE_LIB="ar cr \${TCL_LIB_FILE} \${OBJS}" else MAKE_LIB="\${SHLIB_LD} -o \${TCL_LIB_FILE} \${OBJS} ${SHLIB_LD_LIBS}" RANLIB=":" fi else TCL_SHARED_BUILD=0 case $system in BSD/OS*) ;; AIX-*) ;; *) SHLIB_LD_LIBS="" ;; esac TCL_SHLIB_CFLAGS="" TCL_LD_SEARCH_FLAGS="${LD_SEARCH_FLAGS}" eval "TCL_LIB_FILE=libtcl${TCL_UNSHARED_LIB_SUFFIX}" MAKE_LIB="ar cr \${TCL_LIB_FILE} \${OBJS}" fi # tclConfig.sh needs a version of the _LIB_SUFFIX that has been eval'ed # so that the backslashes quoting the DBX braces are dropped. # Trick to replace DBGX with TCL_DBGX DBGX='${TCL_DBGX}' eval "TCL_LIB_FILE=${TCL_LIB_FILE}" # 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_SHARED_BUILD = 0 -o $TCL_NEEDS_EXP_FILE = 0; then if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then TCL_LIB_FLAG="-ltcl${TCL_VERSION}\${TCL_DBGX}" else TCL_LIB_FLAG="-ltcl`echo ${TCL_VERSION} | tr -d .`\${TCL_DBGX}" fi TCL_BUILD_LIB_SPEC="-L`pwd` ${TCL_LIB_FLAG}" TCL_LIB_SPEC="-L${exec_prefix}/lib ${TCL_LIB_FLAG}" else TCL_BUILD_EXP_FILE="lib.exp" eval "TCL_EXP_FILE=libtcl${TCL_EXPORT_FILE_SUFFIX}" # Replace DBGX with TCL_DBGX eval "TCL_EXP_FILE=\"${TCL_EXP_FILE}\"" TCL_BUILD_LIB_SPEC="-bI:`pwd`/${TCL_BUILD_EXP_FILE}" TCL_LIB_SPEC="-bI:${exec_prefix}/lib/${TCL_EXP_FILE}" fi VERSION='${VERSION}' eval "CFG_TCL_SHARED_LIB_SUFFIX=${TCL_SHARED_LIB_SUFFIX}" eval "CFG_TCL_UNSHARED_LIB_SUFFIX=${TCL_UNSHARED_LIB_SUFFIX}" eval "CFG_TCL_EXPORT_FILE_SUFFIX=${TCL_EXPORT_FILE_SUFFIX}" VERSION=${TCL_VERSION} #-------------------------------------------------------------------- # The statements below define the symbol TCL_PACKAGE_PATH, which # gives a list of directories that may contain packages. The list # consists of one directory for machine-dependent binaries and # another for platform-independent scripts. #-------------------------------------------------------------------- if test "$prefix" != "$exec_prefix"; then TCL_PACKAGE_PATH="${exec_prefix}/lib ${prefix}/lib" else TCL_PACKAGE_PATH="${prefix}/lib" fi #-------------------------------------------------------------------- # The statements below define various symbols relating to Tcl # stub support. #-------------------------------------------------------------------- # Replace ${VERSION} with contents of ${TCL_VERSION} eval "STUB_LIB_FILE=libtclstub${TCL_UNSHARED_LIB_SUFFIX}" # Replace DBGX with TCL_DBGX eval "STUB_LIB_FILE=\"${STUB_LIB_FILE}\"" MAKE_STUB_LIB="ar cr \${STUB_LIB_FILE} \${STUB_LIB_OBJS}" TCL_STUB_LIB_FILE=${STUB_LIB_FILE} if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then TCL_STUB_LIB_FLAG="-ltclstub${TCL_VERSION}\${TCL_DBGX}" else TCL_STUB_LIB_FLAG="-ltclstub`echo ${TCL_VERSION} | tr -d .`\${TCL_DBGX}" fi TCL_BUILD_STUB_LIB_SPEC="-L`pwd` ${TCL_STUB_LIB_FLAG}" TCL_STUB_LIB_SPEC="-L${exec_prefix}/lib ${TCL_STUB_LIB_FLAG}" TCL_BUILD_STUB_LIB_PATH="`pwd`/${TCL_STUB_LIB_FILE}" TCL_STUB_LIB_PATH="${exec_prefix}/lib/${TCL_STUB_LIB_FILE}" AC_SUBST(STUB_LIB_FILE) AC_SUBST(TCL_STUB_LIB_FILE) AC_SUBST(TCL_STUB_LIB_FLAG) AC_SUBST(TCL_BUILD_STUB_LIB_SPEC) AC_SUBST(TCL_STUB_LIB_SPEC) AC_SUBST(TCL_BUILD_STUB_LIB_PATH) AC_SUBST(TCL_STUB_LIB_PATH) AC_SUBST(MAKE_STUB_LIB) AC_SUBST(BUILD_DLTEST) AC_SUBST(CFLAGS) AC_SUBST(CFLAGS_DEBUG) AC_SUBST(CFLAGS_OPTIMIZE) AC_SUBST(CFLAGS_WARNING) AC_SUBST(CFG_TCL_SHARED_LIB_SUFFIX) AC_SUBST(CFG_TCL_UNSHARED_LIB_SUFFIX) AC_SUBST(CFG_TCL_EXPORT_FILE_SUFFIX) AC_SUBST(TCL_DBGX) AC_SUBST(DL_LIBS) AC_SUBST(DL_OBJS) AC_SUBST(EXTRA_CFLAGS) AC_SUBST(LD_FLAGS) AC_SUBST(MAKE_LIB) AC_SUBST(MATH_LIBS) AC_SUBST(SHLIB_CFLAGS) AC_SUBST(SHLIB_LD) AC_SUBST(SHLIB_LD_LIBS) AC_SUBST(SHLIB_SUFFIX) AC_SUBST(TCL_BUILD_LIB_SPEC) AC_SUBST(TCL_LD_SEARCH_FLAGS) AC_SUBST(TCL_LIB_FILE) AC_SUBST(TCL_LIB_FLAG) AC_SUBST(TCL_NEEDS_EXP_FILE) AC_SUBST(TCL_BUILD_EXP_FILE) AC_SUBST(TCL_EXP_FILE) AC_SUBST(TCL_LIB_SPEC) AC_SUBST(TCL_LIB_VERSIONS_OK) AC_SUBST(TCL_MAJOR_VERSION) AC_SUBST(TCL_MINOR_VERSION) AC_SUBST(TCL_PACKAGE_PATH) AC_SUBST(TCL_PATCH_LEVEL) AC_SUBST(TCL_SHARED_LIB_SUFFIX) AC_SUBST(TCL_SHARED_BUILD) AC_SUBST(TCL_SHLIB_CFLAGS) AC_SUBST(TCL_SRC_DIR) AC_SUBST(TCL_UNSHARED_LIB_SUFFIX) AC_SUBST(TCL_VERSION) AC_OUTPUT(Makefile tclConfig.sh)