1062 lines
32 KiB
Plaintext
Executable File
1062 lines
32 KiB
Plaintext
Executable File
dnl This file is an input file used by the GNU "autoconf" program to
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dnl generate the file "configure", which is run during Tcl installation
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dnl to configure the system for the local environment.
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AC_INIT(../generic/tcl.h)
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# SCCS: @(#) configure.in 1.120 96/10/08 08:32:30
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TCL_VERSION=7.6
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TCL_MAJOR_VERSION=7
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TCL_MINOR_VERSION=6
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VERSION=${TCL_VERSION}
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if test "${prefix}" = "NONE"; then
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prefix=/usr/local
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fi
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if test "${exec_prefix}" = "NONE"; then
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exec_prefix=$prefix
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fi
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TCL_SRC_DIR=`cd $srcdir/..; pwd`
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AC_PROG_RANLIB
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AC_ARG_ENABLE(gcc, [ --enable-gcc allow use of gcc if available],
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[tcl_ok=$enableval], [tcl_ok=no])
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if test "$tcl_ok" = "yes"; then
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AC_PROG_CC
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else
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CC=${CC-cc}
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AC_SUBST(CC)
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fi
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AC_C_CROSS
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#--------------------------------------------------------------------
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# Supply substitutes for missing POSIX library procedures, or
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# set flags so Tcl uses alternate procedures.
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#--------------------------------------------------------------------
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AC_REPLACE_FUNCS(getcwd opendir strstr)
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AC_REPLACE_FUNCS(strtol tmpnam waitpid)
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AC_CHECK_FUNC(strerror, , AC_DEFINE(NO_STRERROR))
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AC_CHECK_FUNC(getwd, , AC_DEFINE(NO_GETWD))
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AC_CHECK_FUNC(wait3, , AC_DEFINE(NO_WAIT3))
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AC_CHECK_FUNC(uname, , AC_DEFINE(NO_UNAME))
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#--------------------------------------------------------------------
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# On a few very rare systems, all of the libm.a stuff is
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# already in libc.a. Set compiler flags accordingly.
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# Also, Linux requires the "ieee" library for math to work
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# right (and it must appear before "-lm").
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#--------------------------------------------------------------------
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AC_CHECK_FUNC(sin, MATH_LIBS="", MATH_LIBS="-lm")
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AC_CHECK_LIB(ieee, main, [MATH_LIBS="-lieee $MATH_LIBS"])
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#--------------------------------------------------------------------
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# Supply substitutes for missing POSIX header files. Special
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# notes:
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# - stdlib.h doesn't define strtol, strtoul, or
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# strtod insome versions of SunOS
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# - some versions of string.h don't declare procedures such
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# as strstr
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#--------------------------------------------------------------------
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AC_MSG_CHECKING(dirent.h)
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AC_TRY_LINK([#include <sys/types.h>
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#include <dirent.h>], [
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#ifndef _POSIX_SOURCE
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# ifdef __Lynx__
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/*
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* Generate compilation error to make the test fail: Lynx headers
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* are only valid if really in the POSIX environment.
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*/
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missing_procedure();
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# endif
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#endif
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DIR *d;
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struct dirent *entryPtr;
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char *p;
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d = opendir("foobar");
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entryPtr = readdir(d);
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p = entryPtr->d_name;
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closedir(d);
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], tcl_ok=yes, tcl_ok=no)
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if test $tcl_ok = no; then
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AC_DEFINE(NO_DIRENT_H)
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fi
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AC_MSG_RESULT($tcl_ok)
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AC_CHECK_HEADER(errno.h, , AC_DEFINE(NO_ERRNO_H))
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AC_CHECK_HEADER(float.h, , AC_DEFINE(NO_FLOAT_H))
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AC_CHECK_HEADER(limits.h, , AC_DEFINE(NO_LIMITS_H))
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AC_CHECK_HEADER(stdlib.h, tcl_ok=1, tcl_ok=0)
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AC_EGREP_HEADER(strtol, stdlib.h, , tcl_ok=0)
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AC_EGREP_HEADER(strtoul, stdlib.h, , tcl_ok=0)
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AC_EGREP_HEADER(strtod, stdlib.h, , tcl_ok=0)
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if test $tcl_ok = 0; then
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AC_DEFINE(NO_STDLIB_H)
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fi
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AC_CHECK_HEADER(string.h, tcl_ok=1, tcl_ok=0)
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AC_EGREP_HEADER(strstr, string.h, , tcl_ok=0)
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AC_EGREP_HEADER(strerror, string.h, , tcl_ok=0)
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if test $tcl_ok = 0; then
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AC_DEFINE(NO_STRING_H)
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fi
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AC_CHECK_HEADER(sys/wait.h, , AC_DEFINE(NO_SYS_WAIT_H))
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AC_CHECK_HEADER(dlfcn.h, , AC_DEFINE(NO_DLFCN_H))
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AC_HAVE_HEADERS(unistd.h)
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#--------------------------------------------------------------------
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# Include sys/select.h if it exists and if it supplies things
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# that appear to be useful and aren't already in sys/types.h.
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# This appears to be true only on the RS/6000 under AIX. Some
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# systems like OSF/1 have a sys/select.h that's of no use, and
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# other systems like SCO UNIX have a sys/select.h that's
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# pernicious. If "fd_set" isn't defined anywhere then set a
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# special flag.
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#--------------------------------------------------------------------
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AC_MSG_CHECKING([fd_set and sys/select])
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AC_TRY_COMPILE([#include <sys/types.h>],
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[fd_set readMask, writeMask;], tk_ok=yes, tk_ok=no)
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if test $tk_ok = no; then
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AC_HEADER_EGREP(fd_mask, sys/select.h, tk_ok=yes)
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if test $tk_ok = yes; then
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AC_DEFINE(HAVE_SYS_SELECT_H)
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fi
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fi
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AC_MSG_RESULT($tk_ok)
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if test $tk_ok = no; then
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AC_DEFINE(NO_FD_SET)
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fi
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#------------------------------------------------------------------------------
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# Find out all about time handling differences.
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#------------------------------------------------------------------------------
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AC_CHECK_HEADERS(sys/time.h)
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AC_HEADER_TIME
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AC_STRUCT_TIMEZONE
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AC_MSG_CHECKING([tm_tzadj in struct tm])
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AC_TRY_COMPILE([#include <time.h>], [struct tm tm; tm.tm_tzadj;],
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[AC_DEFINE(HAVE_TM_TZADJ)
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AC_MSG_RESULT(yes)],
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AC_MSG_RESULT(no))
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AC_MSG_CHECKING([tm_gmtoff in struct tm])
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AC_TRY_COMPILE([#include <time.h>], [struct tm tm; tm.tm_gmtoff;],
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[AC_DEFINE(HAVE_TM_GMTOFF)
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AC_MSG_RESULT(yes)],
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AC_MSG_RESULT(no))
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#
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# Its important to include time.h in this check, as some systems (like convex)
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# have timezone functions, etc.
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#
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have_timezone=no
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AC_MSG_CHECKING([long timezone variable])
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AC_TRY_COMPILE([#include <time.h>],
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[extern long timezone;
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timezone += 1;
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exit (0);],
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[have_timezone=yes
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AC_DEFINE(HAVE_TIMEZONE_VAR)
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AC_MSG_RESULT(yes)],
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AC_MSG_RESULT(no))
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#
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# On some systems (eg IRIX 6.2), timezone is a time_t and not a long.
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#
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if test "$have_timezone" = no; then
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AC_MSG_CHECKING([time_t timezone variable])
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AC_TRY_COMPILE([#include <time.h>],
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[extern time_t timezone;
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timezone += 1;
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exit (0);],
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[AC_DEFINE(HAVE_TIMEZONE_VAR)
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AC_MSG_RESULT(yes)],
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AC_MSG_RESULT(no))
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fi
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#--------------------------------------------------------------------
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# On some systems strstr is broken: it returns a pointer even
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# even if the original string is empty.
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#--------------------------------------------------------------------
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AC_MSG_CHECKING([proper strstr implementation])
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AC_TRY_RUN([
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extern int strstr();
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int main()
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{
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exit(strstr("\0test", "test") ? 1 : 0);
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}
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], tcl_ok=yes, tcl_ok=no, tcl_ok=no)
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if test $tcl_ok = yes; then
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT([broken, using substitute])
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LIBOBJS="$LIBOBJS strstr.o"
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fi
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#--------------------------------------------------------------------
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# Check for strtoul function. This is tricky because under some
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# versions of AIX strtoul returns an incorrect terminator
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# pointer for the string "0".
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#--------------------------------------------------------------------
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AC_CHECK_FUNC(strtoul, tcl_ok=1, tcl_ok=0)
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AC_TRY_RUN([
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extern int strtoul();
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int main()
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{
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char *string = "0";
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char *term;
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int value;
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value = strtoul(string, &term, 0);
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if ((value != 0) || (term != (string+1))) {
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exit(1);
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}
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exit(0);
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}], , tcl_ok=0, tcl_ok=0)
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if test "$tcl_ok" = 0; then
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test -n "$verbose" && echo " Adding strtoul.o."
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LIBOBJS="$LIBOBJS strtoul.o"
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fi
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#--------------------------------------------------------------------
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# Check for the strtod function. This is tricky because in some
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# versions of Linux strtod mis-parses strings starting with "+".
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#--------------------------------------------------------------------
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AC_CHECK_FUNC(strtod, tcl_ok=1, tcl_ok=0)
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AC_TRY_RUN([
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extern double strtod();
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int main()
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{
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char *string = " +69";
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char *term;
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double value;
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value = strtod(string, &term);
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if ((value != 69) || (term != (string+4))) {
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exit(1);
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}
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exit(0);
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}], , tcl_ok=0, tcl_ok=0)
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if test "$tcl_ok" = 0; then
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test -n "$verbose" && echo " Adding strtod.o."
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LIBOBJS="$LIBOBJS strtod.o"
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fi
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#--------------------------------------------------------------------
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# Under Solaris 2.4, strtod returns the wrong value for the
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# terminating character under some conditions. Check for this
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# and if the problem exists use a substitute procedure
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# "fixstrtod" that corrects the error.
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#--------------------------------------------------------------------
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AC_CHECK_FUNC(strtod, tcl_strtod=1, tcl_strtod=0)
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if test "$tcl_strtod" = 1; then
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AC_MSG_CHECKING([for Solaris strtod bug])
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AC_TRY_RUN([
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extern double strtod();
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int main()
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{
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char *string = "NaN";
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char *term;
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strtod(string, &term);
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if ((term != string) && (term[-1] == 0)) {
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exit(1);
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}
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exit(0);
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}], tcl_ok=1, tcl_ok=0, tcl_ok=0)
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if test $tcl_ok = 1; then
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AC_MSG_RESULT(ok)
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else
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AC_MSG_RESULT(buggy)
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LIBOBJS="$LIBOBJS fixstrtod.o"
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AC_DEFINE(strtod, fixstrtod)
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fi
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fi
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#--------------------------------------------------------------------
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# Check for various typedefs and provide substitutes if
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# they don't exist.
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#--------------------------------------------------------------------
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AC_TYPE_MODE_T
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AC_TYPE_PID_T
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AC_TYPE_SIZE_T
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AC_TYPE_UID_T
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#--------------------------------------------------------------------
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# If a system doesn't have an opendir function (man, that's old!)
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# then we have to supply a different version of dirent.h which
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# is compatible with the substitute version of opendir that's
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# provided. This version only works with V7-style directories.
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#--------------------------------------------------------------------
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AC_CHECK_FUNC(opendir, , AC_DEFINE(USE_DIRENT2_H))
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#--------------------------------------------------------------------
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# The check below checks whether <sys/wait.h> defines the type
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# "union wait" correctly. It's needed because of weirdness in
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# HP-UX where "union wait" is defined in both the BSD and SYS-V
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# environments. Checking the usability of WIFEXITED seems to do
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# the trick.
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#--------------------------------------------------------------------
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AC_MSG_CHECKING([union wait])
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AC_TRY_LINK([#include <sys/types.h>
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#include <sys/wait.h>], [
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union wait x;
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WIFEXITED(x); /* Generates compiler error if WIFEXITED
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* uses an int. */
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], tcl_ok=yes, tcl_ok=no)
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AC_MSG_RESULT($tcl_ok)
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if test $tcl_ok = no; then
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AC_DEFINE(NO_UNION_WAIT)
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fi
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#--------------------------------------------------------------------
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# Check to see whether the system supports the matherr function
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# and its associated type "struct exception".
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#--------------------------------------------------------------------
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AC_MSG_CHECKING([matherr support])
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AC_TRY_COMPILE([#include <math.h>], [
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struct exception x;
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x.type = DOMAIN;
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x.type = SING;
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], tcl_ok=yes, tcl_ok=no)
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AC_MSG_RESULT($tcl_ok)
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if test $tcl_ok = yes; then
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AC_DEFINE(NEED_MATHERR)
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fi
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#--------------------------------------------------------------------
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# Check to see whether the system provides a vfork kernel call.
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# If not, then use fork instead. Also, check for a problem with
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# vforks and signals that can cause core dumps if a vforked child
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# resets a signal handler. If the problem exists, then use fork
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# instead of vfork.
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#--------------------------------------------------------------------
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AC_CHECK_FUNC(vfork, tcl_ok=1, tcl_ok=0)
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if test "$tcl_ok" = 1; then
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AC_MSG_CHECKING([vfork/signal bug]);
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AC_TRY_RUN([
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#include <stdio.h>
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#include <signal.h>
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#include <sys/wait.h>
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int gotSignal = 0;
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sigProc(sig)
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int sig;
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{
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gotSignal = 1;
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}
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main()
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{
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int pid, sts;
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(void) signal(SIGCHLD, sigProc);
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pid = vfork();
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if (pid < 0) {
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exit(1);
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} else if (pid == 0) {
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(void) signal(SIGCHLD, SIG_DFL);
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_exit(0);
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} else {
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(void) wait(&sts);
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}
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exit((gotSignal) ? 0 : 1);
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}], tcl_ok=1, tcl_ok=0, tcl_ok=0)
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if test "$tcl_ok" = 1; then
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AC_MSG_RESULT(ok)
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else
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AC_MSG_RESULT([buggy, using fork instead])
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fi
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fi
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rm -f core
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if test "$tcl_ok" = 0; then
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AC_DEFINE(vfork, fork)
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fi
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#--------------------------------------------------------------------
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# Check whether there is an strncasecmp function on this system.
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# This is a bit tricky because under SCO it's in -lsocket and
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# under Sequent Dynix it's in -linet.
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#--------------------------------------------------------------------
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AC_CHECK_FUNC(strncasecmp, tcl_ok=1, tcl_ok=0)
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if test "$tcl_ok" = 0; then
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AC_CHECK_LIB(socket, strncasecmp, tcl_ok=1, tcl_ok=0)
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fi
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if test "$tcl_ok" = 0; then
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AC_CHECK_LIB(inet, strncasecmp, tcl_ok=1, tcl_ok=0)
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fi
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if test "$tcl_ok" = 0; then
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LIBOBJS="$LIBOBJS strncasecmp.o"
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fi
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#--------------------------------------------------------------------
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# The code below deals with several issues related to gettimeofday:
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# 1. Some systems don't provide a gettimeofday function at all
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# (set NO_GETTOD if this is the case).
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# 2. SGI systems don't use the BSD form of the gettimeofday function,
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# but they have a BSDgettimeofday function that can be used instead.
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# 3. See if gettimeofday is declared in the <sys/time.h> header file.
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# if not, set the GETTOD_NOT_DECLARED flag so that tclPort.h can
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# declare it.
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#--------------------------------------------------------------------
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AC_CHECK_FUNC(BSDgettimeofday, AC_DEFINE(HAVE_BSDGETTIMEOFDAY),
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AC_CHECK_FUNC(gettimeofday, , AC_DEFINE(NO_GETTOD)))
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AC_MSG_CHECKING([for gettimeofday declaration])
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AC_EGREP_HEADER(gettimeofday, sys/time.h, AC_MSG_RESULT(present), [
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AC_MSG_RESULT(missing)
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AC_DEFINE(GETTOD_NOT_DECLARED)
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])
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#--------------------------------------------------------------------
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# Interactive UNIX requires -linet instead of -lsocket, plus it
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# needs net/errno.h to define the socket-related error codes.
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#--------------------------------------------------------------------
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AC_CHECK_LIB(inet, main, [LIBS="$LIBS -linet"])
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AC_CHECK_HEADER(net/errno.h, AC_DEFINE(HAVE_NET_ERRNO_H))
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#--------------------------------------------------------------------
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# Check for the existence of the -lsocket and -lnsl libraries.
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# The order here is important, so that they end up in the right
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# order in the command line generated by make. Here are some
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# special considerations:
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# 1. Use "connect" and "accept" to check for -lsocket, and
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# "gethostbyname" to check for -lnsl.
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# 2. Use each function name only once: can't redo a check because
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# autoconf caches the results of the last check and won't redo it.
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# 3. Use -lnsl and -lsocket only if they supply procedures that
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# aren't already present in the normal libraries. This is because
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# IRIX 5.2 has libraries, but they aren't needed and they're
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# bogus: they goof up name resolution if used.
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# 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
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# To get around this problem, check for both libraries together
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# if -lsocket doesn't work by itself.
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#--------------------------------------------------------------------
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tcl_checkBoth=0
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AC_CHECK_FUNC(connect, tcl_checkSocket=0, tcl_checkSocket=1)
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if test "$tcl_checkSocket" = 1; then
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AC_CHECK_LIB(socket, main, LIBS="$LIBS -lsocket", tcl_checkBoth=1)
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fi
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if test "$tcl_checkBoth" = 1; then
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tk_oldLibs=$LIBS
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LIBS="$LIBS -lsocket -lnsl"
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AC_CHECK_FUNC(accept, tcl_checkNsl=0, [LIBS=$tk_oldLibs])
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fi
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AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, main, [LIBS="$LIBS -lnsl"]))
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#--------------------------------------------------------------------
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# The statements below define a collection of symbols related to
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# dynamic loading and shared libraries:
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#
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# DL_OBJS - Name of the object file that implements dynamic
|
|
# loading for Tcl on this system.
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|
# DL_LIBS - Library file(s) to include in tclsh and other base
|
|
# applications in order for the "load" command to work.
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|
# LD_FLAGS - Flags to pass to the compiler when linking object
|
|
# files into an executable application binary such
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# as tclsh.
|
|
# LD_SEARCH_FLAGS-Flags to pass to ld, such as "-R /usr/local/tcl/lib",
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|
# that tell the run-time dynamic linker where to look
|
|
# for shared libraries such as libtcl.so. Depends on
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|
# the variable LIB_RUNTIME_DIR in the Makefile.
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|
# MAKE_LIB - Command to execute to build the Tcl library;
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|
# 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 libtcl7.6.so or libtcl7.6.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}.
|
|
#--------------------------------------------------------------------
|
|
|
|
# Step 1: set the variable "system" to hold the name and version number
|
|
# for the system. This can usually be done via the "uname" command, but
|
|
# there are a few systems, like Next, where this doesn't work.
|
|
|
|
AC_MSG_CHECKING([system version (for dynamic loading)])
|
|
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
|
|
AC_MSG_RESULT([unknown (can't find uname command)])
|
|
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 $3}' /etc/.relid'`
|
|
fi
|
|
if test "`uname -s`" = "AIX" ; then
|
|
system=AIX-`uname -v`.`uname -r`
|
|
fi
|
|
AC_MSG_RESULT($system)
|
|
fi
|
|
fi
|
|
|
|
# Step 2: check for existence of -ldl library. This is needed because
|
|
# Linux can use either -ldl or -ldld for dynamic loading.
|
|
|
|
AC_CHECK_LIB(dl, dlopen, have_dl=yes, have_dl=no)
|
|
|
|
# Step 3: set configuration options based on system name and version.
|
|
|
|
fullSrcDir=`cd $srcdir; pwd`
|
|
AIX=no
|
|
TCL_SHARED_LIB_SUFFIX=""
|
|
TCL_UNSHARED_LIB_SUFFIX=""
|
|
TCL_LIB_VERSIONS_OK=ok
|
|
case $system in
|
|
AIX-*)
|
|
SHLIB_CFLAGS=""
|
|
SHLIB_LD="$fullSrcDir/ldAix /bin/ld -bhalt:4 -bM:SRE -bE:lib.exp -H512 -T512"
|
|
SHLIB_LD_LIBS='${LIBS}'
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o tclLoadAix.o"
|
|
DL_LIBS="-lld"
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
|
|
AIX=yes
|
|
TCL_SHARED_LIB_SUFFIX='${VERSION}.a'
|
|
;;
|
|
BSD/OS-2.1*)
|
|
SHLIB_CFLAGS=""
|
|
SHLIB_LD="ld -r"
|
|
SHLIB_LD_FLAGS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS="-ldl"
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
HP-UX-*.08.*|HP-UX-*.09.*|HP-UX-*.10.*)
|
|
AC_CHECK_LIB(dld, shl_load, tcl_ok=yes, tcl_ok=no)
|
|
if test "$tcl_ok" = yes; then
|
|
SHLIB_CFLAGS="+z"
|
|
SHLIB_LD="ld -b"
|
|
SHLIB_LD_LIBS='${LIBS}'
|
|
SHLIB_SUFFIX=".sl"
|
|
DL_OBJS="tclLoadShl.o"
|
|
DL_LIBS="-ldld"
|
|
LD_FLAGS="-Wl,-E"
|
|
LD_SEARCH_FLAGS='-Wl,+b,${LIB_RUNTIME_DIR}:.'
|
|
fi
|
|
;;
|
|
IRIX-4.*)
|
|
SHLIB_CFLAGS="-G 0"
|
|
SHLIB_SUFFIX="..o"
|
|
SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
|
|
SHLIB_LD_LIBS='${LIBS}'
|
|
DL_OBJS="tclLoadAout.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS="-Wl,-D,08000000"
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
IRIX-5.*|IRIX-6.*)
|
|
SHLIB_CFLAGS=""
|
|
SHLIB_LD="ld -shared -rdata_shared"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
|
|
;;
|
|
IRIX64-6.*)
|
|
SHLIB_CFLAGS=""
|
|
SHLIB_LD="ld -32 -shared -rdata_shared -rpath /usr/local/lib"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
|
|
;;
|
|
Linux*)
|
|
SHLIB_CFLAGS="-fPIC"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
if test "$have_dl" = yes; then
|
|
SHLIB_LD="${CC} -shared"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS="-ldl"
|
|
LD_FLAGS="-rdynamic"
|
|
LD_SEARCH_FLAGS=""
|
|
else
|
|
AC_CHECK_HEADER(dld.h, [
|
|
SHLIB_LD="ld -shared"
|
|
DL_OBJS="tclLoadDld.o"
|
|
DL_LIBS="-ldld"
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS=""])
|
|
fi
|
|
;;
|
|
MP-RAS-02*)
|
|
SHLIB_CFLAGS="-K PIC"
|
|
SHLIB_LD="cc -G"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS="-ldl"
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
MP-RAS-*)
|
|
SHLIB_CFLAGS="-K PIC"
|
|
SHLIB_LD="cc -G"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS="-ldl"
|
|
LD_FLAGS="-Wl,-Bexport"
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
NetBSD-*|FreeBSD-*)
|
|
# Not available on all versions: check for include file.
|
|
AC_CHECK_HEADER(dlfcn.h, [
|
|
SHLIB_CFLAGS="-fpic"
|
|
SHLIB_LD="ld -Bshareable -x"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl2.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS=""
|
|
], [
|
|
SHLIB_CFLAGS=""
|
|
SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
|
|
SHLIB_LD_LIBS='${LIBS}'
|
|
SHLIB_SUFFIX="..o"
|
|
DL_OBJS="tclLoadAout.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS=""
|
|
])
|
|
|
|
# FreeBSD doesn't handle version numbers with dots. Also, have to
|
|
# append a dummy version number to .so file names.
|
|
|
|
TCL_SHARED_LIB_SUFFIX='`echo ${VERSION} | tr -d .`.so.1.0'
|
|
TCL_UNSHARED_LIB_SUFFIX='`echo ${VERSION} | tr -d .`.a'
|
|
TCL_LIB_VERSIONS_OK=nodots
|
|
;;
|
|
NEXTSTEP-*)
|
|
SHLIB_CFLAGS=""
|
|
SHLIB_LD="cc -nostdlib -r"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadNext.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
OSF1-1.0|OSF1-1.1|OSF1-1.2)
|
|
# OSF/1 1.[012] from OSF, and derivatives, including Paragon OSF/1
|
|
SHLIB_CFLAGS=""
|
|
# Hack: make package name same as library name
|
|
SHLIB_LD='ld -R -export $@:'
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadOSF.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
OSF1-1.*)
|
|
# OSF/1 1.3 from OSF using ELF, and derivatives, including AD2
|
|
SHLIB_CFLAGS="-fpic"
|
|
SHLIB_LD="ld -shared"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
OSF1-V*)
|
|
# Digital OSF/1
|
|
SHLIB_CFLAGS=""
|
|
SHLIB_LD='ld -shared -expect_unresolved "*"'
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
|
|
;;
|
|
RISCos-*)
|
|
SHLIB_CFLAGS="-G 0"
|
|
SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
|
|
SHLIB_LD_LIBS='${LIBS}'
|
|
SHLIB_SUFFIX="..o"
|
|
DL_OBJS="tclLoadAout.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS="-Wl,-D,08000000"
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
SCO_SV-3.2*)
|
|
# Note, dlopen is available only on SCO 3.2.5 and greater. However,
|
|
# this test works, since "uname -s" was non-standard in 3.2.4 and
|
|
# below.
|
|
SHLIB_CFLAGS="-Kpic -belf"
|
|
SHLIB_LD="ld -G"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS="-belf -Wl,-Bexport"
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
SINIX*5.4*)
|
|
SHLIB_CFLAGS="-K PIC"
|
|
SHLIB_LD="cc -G"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS="-ldl"
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
SunOS-4*)
|
|
SHLIB_CFLAGS="-PIC"
|
|
SHLIB_LD="ld"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS="-ldl"
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
|
|
|
|
# SunOS can't handle version numbers with dots in them in library
|
|
# specs, like -ltcl7.5, so use -ltcl75 instead. Also, it
|
|
# requires an extra version number at the end of .so file names.
|
|
# So, the library has to have a name like libtcl75.so.1.0
|
|
|
|
TCL_SHARED_LIB_SUFFIX='`echo ${VERSION} | tr -d .`.so.1.0'
|
|
TCL_UNSHARED_LIB_SUFFIX='`echo ${VERSION} | tr -d .`.a'
|
|
TCL_LIB_VERSIONS_OK=nodots
|
|
;;
|
|
SunOS-5*)
|
|
SHLIB_CFLAGS="-KPIC"
|
|
SHLIB_LD="/usr/ccs/bin/ld -G -z text"
|
|
SHLIB_LD_LIBS='${LIBS}'
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS="-ldl"
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
|
|
;;
|
|
ULTRIX-4.*)
|
|
SHLIB_CFLAGS="-G 0"
|
|
SHLIB_SUFFIX="..o"
|
|
SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
|
|
SHLIB_LD_LIBS='${LIBS}'
|
|
DL_OBJS="tclLoadAout.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS="-Wl,-D,08000000"
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
UNIX_SV*)
|
|
SHLIB_CFLAGS="-KPIC"
|
|
SHLIB_LD="cc -G"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS="-ldl"
|
|
# Some UNIX_SV* systems (unixware 1.1.2 for example) have linkers
|
|
# that don't grok the -Bexport option. Test that it does.
|
|
hold_ldflags=$LDFLAGS
|
|
AC_MSG_CHECKING(for ld accepts -Bexport flag)
|
|
LDFLAGS="${LDFLAGS} -Wl,-Bexport"
|
|
AC_TRY_LINK(, [int i;], found=yes, found=no)
|
|
LDFLAGS=$hold_ldflags
|
|
AC_MSG_RESULT($found)
|
|
if test $found = yes; then
|
|
LD_FLAGS="-Wl,-Bexport"
|
|
else
|
|
LD_FLAGS=""
|
|
fi
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
esac
|
|
|
|
# Step 4: If pseudo-static linking is in use (see K. B. Kenny, "Dynamic
|
|
# Loading for Tcl -- What Became of It?". Proc. 2nd Tcl/Tk Workshop,
|
|
# New Orleans, LA, Computerized Processes Unlimited, 1994), then we need
|
|
# to determine which of several header files defines the a.out file
|
|
# format (a.out.h, sys/exec.h, or sys/exec_aout.h). At present, we
|
|
# support only a file format that is more or less version-7-compatible.
|
|
# In particular,
|
|
# - a.out files must begin with `struct exec'.
|
|
# - the N_TXTOFF on the `struct exec' must compute the seek address
|
|
# of the text segment
|
|
# - The `struct exec' must contain a_magic, a_text, a_data, a_bss
|
|
# and a_entry fields.
|
|
# The following compilation should succeed if and only if either sys/exec.h
|
|
# or a.out.h is usable for the purpose.
|
|
#
|
|
# Note that the modified COFF format used on MIPS Ultrix 4.x is usable; the
|
|
# `struct exec' includes a second header that contains information that
|
|
# duplicates the v7 fields that are needed.
|
|
|
|
if test "x$DL_OBJS" = "xtclLoadAout.o" ; then
|
|
AC_MSG_CHECKING(sys/exec.h)
|
|
AC_TRY_COMPILE([#include <sys/exec.h>],[
|
|
struct exec foo;
|
|
unsigned long seek;
|
|
int flag;
|
|
#if defined(__mips) || defined(mips)
|
|
seek = N_TXTOFF (foo.ex_f, foo.ex_o);
|
|
#else
|
|
seek = N_TXTOFF (foo);
|
|
#endif
|
|
flag = (foo.a_magic == OMAGIC);
|
|
return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;
|
|
], tcl_ok=usable, tcl_ok=unusable)
|
|
AC_MSG_RESULT($tcl_ok)
|
|
if test $tcl_ok = usable; then
|
|
AC_DEFINE(USE_SYS_EXEC_H)
|
|
else
|
|
AC_MSG_CHECKING(a.out.h)
|
|
AC_TRY_COMPILE([#include <a.out.h>],[
|
|
struct exec foo;
|
|
unsigned long seek;
|
|
int flag;
|
|
#if defined(__mips) || defined(mips)
|
|
seek = N_TXTOFF (foo.ex_f, foo.ex_o);
|
|
#else
|
|
seek = N_TXTOFF (foo);
|
|
#endif
|
|
flag = (foo.a_magic == OMAGIC);
|
|
return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;
|
|
], tcl_ok=usable, tcl_ok=unusable)
|
|
AC_MSG_RESULT($tcl_ok)
|
|
if test $tcl_ok = usable; then
|
|
AC_DEFINE(USE_A_OUT_H)
|
|
else
|
|
AC_MSG_CHECKING(sys/exec_aout.h)
|
|
AC_TRY_COMPILE([#include <sys/exec_aout.h>],[
|
|
struct exec foo;
|
|
unsigned long seek;
|
|
int flag;
|
|
#if defined(__mips) || defined(mips)
|
|
seek = N_TXTOFF (foo.ex_f, foo.ex_o);
|
|
#else
|
|
seek = N_TXTOFF (foo);
|
|
#endif
|
|
flag = (foo.a_midmag == OMAGIC);
|
|
return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;
|
|
], tcl_ok=usable, tcl_ok=unusable)
|
|
AC_MSG_RESULT($tcl_ok)
|
|
if test $tcl_ok = usable; then
|
|
AC_DEFINE(USE_SYS_EXEC_AOUT_H)
|
|
else
|
|
DL_OBJS=""
|
|
fi
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
# Step 5: disable dynamic loading if requested via a command-line switch.
|
|
|
|
AC_ARG_ENABLE(load, [ --disable-load disallow dynamic loading and "load" command],
|
|
[tcl_ok=$enableval], [tcl_ok=yes])
|
|
if test "$tcl_ok" = "no"; then
|
|
DL_OBJS=""
|
|
fi
|
|
|
|
if test "x$DL_OBJS" != "x" ; then
|
|
BUILD_DLTEST="\$(DLTEST_TARGETS)"
|
|
else
|
|
echo "Can't figure out how to do dynamic loading or shared libraries"
|
|
echo "on this system."
|
|
SHLIB_CFLAGS=""
|
|
SHLIB_LD=""
|
|
SHLIB_SUFFIX=""
|
|
DL_OBJS="tclLoadNone.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS=""
|
|
BUILD_DLTEST=""
|
|
fi
|
|
|
|
# If we're running gcc, then change the C flags for compiling shared
|
|
# libraries to the right flags for gcc, instead of those for the
|
|
# standard manufacturer compiler.
|
|
|
|
if test "$DL_OBJS" != "tclLoadNone.o" ; then
|
|
if test "$CC" = "gcc" -o `$CC -v 2>&1 | grep -c gcc` != "0" ; then
|
|
SHLIB_CFLAGS="-fPIC"
|
|
fi
|
|
fi
|
|
|
|
#--------------------------------------------------------------------
|
|
# The statements below check for systems where POSIX-style
|
|
# non-blocking I/O (O_NONBLOCK) doesn't work or is unimplemented.
|
|
# On these systems (mostly older ones), use the old BSD-style
|
|
# FIONBIO approach instead.
|
|
#--------------------------------------------------------------------
|
|
|
|
AC_CHECK_HEADERS(sys/ioctl.h)
|
|
AC_CHECK_HEADERS(sys/filio.h)
|
|
AC_MSG_CHECKING([FIONBIO vs. O_NONBLOCK for nonblocking I/O])
|
|
if test -f /usr/lib/NextStep/software_version; then
|
|
system=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version`
|
|
else
|
|
system=`uname -s`-`uname -r`
|
|
if test "$?" -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 $system in
|
|
AIX-*)
|
|
AC_DEFINE(USE_FIONBIO)
|
|
AC_MSG_RESULT(FIONBIO)
|
|
;;
|
|
OSF*)
|
|
AC_DEFINE(USE_FIONBIO)
|
|
AC_MSG_RESULT(FIONBIO)
|
|
;;
|
|
SunOS-4*)
|
|
AC_DEFINE(USE_FIONBIO)
|
|
AC_MSG_RESULT(FIONBIO)
|
|
;;
|
|
ULTRIX-4.*)
|
|
AC_DEFINE(USE_FIONBIO)
|
|
AC_MSG_RESULT(FIONBIO)
|
|
;;
|
|
*)
|
|
AC_MSG_RESULT(O_NONBLOCK)
|
|
;;
|
|
esac
|
|
|
|
#--------------------------------------------------------------------
|
|
# The statements below define a collection of symbols related to
|
|
# building libtcl as a shared library instead of a static library.
|
|
#--------------------------------------------------------------------
|
|
|
|
realRanlib=$RANLIB
|
|
if test "$TCL_SHARED_LIB_SUFFIX" = "" ; then
|
|
TCL_SHARED_LIB_SUFFIX='${VERSION}${SHLIB_SUFFIX}'
|
|
fi
|
|
if test "$TCL_UNSHARED_LIB_SUFFIX" = "" ; then
|
|
TCL_UNSHARED_LIB_SUFFIX='${VERSION}.a'
|
|
fi
|
|
AC_ARG_ENABLE(shared,
|
|
[ --enable-shared build libtcl as a shared library],
|
|
[tcl_ok=$enableval], [tcl_ok=no])
|
|
if test "$tcl_ok" = "yes" -a "${SHLIB_SUFFIX}" != "" \
|
|
-a "${DL_OBJS}" != "tclLoadAout.o" ; then
|
|
TCL_SHLIB_CFLAGS="${SHLIB_CFLAGS}"
|
|
TCL_LD_SEARCH_FLAGS="${LD_SEARCH_FLAGS}"
|
|
eval "TCL_LIB_FILE=libtcl${TCL_SHARED_LIB_SUFFIX}"
|
|
MAKE_LIB="\${SHLIB_LD} -o ${TCL_LIB_FILE} \${OBJS} ${SHLIB_LD_LIBS}"
|
|
RANLIB=":"
|
|
else
|
|
if test "$AIX" = "no" ; then
|
|
SHLIB_LD_LIBS=""
|
|
fi
|
|
TCL_SHLIB_CFLAGS=""
|
|
TCL_LD_SEARCH_FLAGS=""
|
|
eval "TCL_LIB_FILE=libtcl${TCL_UNSHARED_LIB_SUFFIX}"
|
|
MAKE_LIB="ar cr ${TCL_LIB_FILE} \${OBJS}"
|
|
fi
|
|
|
|
# Note: in the following variable, it's important to use the absolute
|
|
# path name of the Tcl directory rather than "..": this is because
|
|
# AIX remembers this path and will attempt to use it at run-time to look
|
|
# up the Tcl library.
|
|
|
|
if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then
|
|
TCL_BUILD_LIB_SPEC="-L`pwd` -ltcl${VERSION}"
|
|
TCL_LIB_SPEC="-L${exec_prefix}/lib -ltcl${VERSION}"
|
|
else
|
|
TCL_BUILD_LIB_SPEC="-L`pwd` -ltcl`echo ${VERSION} | tr -d .`"
|
|
TCL_LIB_SPEC="-L${exec_prefix}/lib -ltcl`echo ${VERSION} | tr -d .`"
|
|
fi
|
|
|
|
#--------------------------------------------------------------------
|
|
# The statements below define the symbol TCL_PACKAGE_PATH, which
|
|
# gives a list of directories that may contain packages. The list
|
|
# consists of one directory for machine-dependent binaries and
|
|
# another for platform-independent scripts.
|
|
#--------------------------------------------------------------------
|
|
|
|
if test "$prefix" != "$exec_prefix"; then
|
|
TCL_PACKAGE_PATH="${exec_prefix}/lib ${prefix}/lib"
|
|
else
|
|
TCL_PACKAGE_PATH="${prefix}/lib"
|
|
fi
|
|
|
|
AC_SUBST(BUILD_DLTEST)
|
|
AC_SUBST(DL_LIBS)
|
|
AC_SUBST(DL_OBJS)
|
|
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_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_SHARED_LIB_SUFFIX)
|
|
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)
|