gdb/acinclude.m4

   1 dnl written by Rob Savoye <rob@cygnus.com> for Cygnus Support
   2 dnl major rewriting for Tcl 7.5 by Don Libes <libes@nist.gov>
   3
   4 dnl gdb/configure.in uses BFD_NEED_DECLARATION, so get its definition.
   5 sinclude(../bfd/acinclude.m4)
   6
   7 dnl This gets the standard macros, like the TCL, TK, etc ones.
   8 sinclude(../config/acinclude.m4)
   9
  10 dnl CYGNUS LOCAL: This gets the right posix flag for gcc
  11 AC_DEFUN(CY_AC_TCL_LYNX_POSIX,
  12 [AC_REQUIRE([AC_PROG_CC])AC_REQUIRE([AC_PROG_CPP])
  13 AC_MSG_CHECKING([if running LynxOS])
  14 AC_CACHE_VAL(ac_cv_os_lynx,
  15 [AC_EGREP_CPP(yes,
  16 [/*
  17  * The old Lynx "cc" only defines "Lynx", but the newer one uses "__Lynx__"
  18  */
  19 #if defined(__Lynx__) || defined(Lynx)
  20 yes
  21 #endif
  22 ], ac_cv_os_lynx=yes, ac_cv_os_lynx=no)])
  23 #
  24 if test "$ac_cv_os_lynx" = "yes" ; then
  25   AC_MSG_RESULT(yes)
  26   AC_DEFINE(LYNX)
  27   AC_MSG_CHECKING([whether -mposix or -X is available])
  28   AC_CACHE_VAL(ac_cv_c_posix_flag,
  29   [AC_TRY_COMPILE(,[
  30   /*
  31    * This flag varies depending on how old the compiler is.
  32    * -X is for the old "cc" and "gcc" (based on 1.42).
  33    * -mposix is for the new gcc (at least 2.5.8).
  34    */
  35   #if defined(__GNUC__) && __GNUC__ >= 2
  36   choke me
  37   #endif
  38   ], ac_cv_c_posix_flag=" -mposix", ac_cv_c_posix_flag=" -X")])
  39   CC="$CC $ac_cv_c_posix_flag"
  40   AC_MSG_RESULT($ac_cv_c_posix_flag)
  41   else
  42   AC_MSG_RESULT(no)
  43 fi
  44 ])
  45
  46 #
  47 # Sometimes the native compiler is a bogus stub for gcc or /usr/ucb/cc. This
  48 # makes configure think it's cross compiling. If --target wasn't used, then
  49 # we can't configure, so something is wrong. We don't use the cache
  50 # here cause if somebody fixes their compiler install, we want this to work.
  51 AC_DEFUN(CY_AC_C_WORKS,
  52 [# If we cannot compile and link a trivial program, we can't expect anything to work
  53 AC_MSG_CHECKING(whether the compiler ($CC) actually works)
  54 AC_TRY_COMPILE(, [/* don't need anything here */],
  55         c_compiles=yes, c_compiles=no)
  56
  57 AC_TRY_LINK(, [/* don't need anything here */],
  58         c_links=yes, c_links=no)
  59
  60 if test x"${c_compiles}" = x"no" ; then
  61   AC_MSG_ERROR(the native compiler is broken and won't compile.)
  62 fi
  63
  64 if test x"${c_links}" = x"no" ; then
  65   AC_MSG_ERROR(the native compiler is broken and won't link.)
  66 fi
  67 AC_MSG_RESULT(yes)
  68 ])
  69
  70 AC_DEFUN(CY_AC_PATH_TCLH, [
  71 #
  72 # Ok, lets find the tcl source trees so we can use the headers
  73 # Warning: transition of version 9 to 10 will break this algorithm
  74 # because 10 sorts before 9. We also look for just tcl. We have to
  75 # be careful that we don't match stuff like tclX by accident.
  76 # the alternative search directory is involked by --with-tclinclude
  77 #
  78
  79 no_tcl=true
  80 AC_MSG_CHECKING(for Tcl private headers. dir=${configdir})
  81 AC_ARG_WITH(tclinclude, [  --with-tclinclude=DIR   Directory where tcl private headers are], with_tclinclude=${withval})
  82 AC_CACHE_VAL(ac_cv_c_tclh,[
  83 # first check to see if --with-tclinclude was specified
  84 if test x"${with_tclinclude}" != x ; then
  85   if test -f ${with_tclinclude}/tclInt.h ; then
  86     ac_cv_c_tclh=`(cd ${with_tclinclude}; pwd)`
  87   elif test -f ${with_tclinclude}/generic/tclInt.h ; then
  88     ac_cv_c_tclh=`(cd ${with_tclinclude}/generic; pwd)`
  89   else
  90     AC_MSG_ERROR([${with_tclinclude} directory doesn't contain private headers])
  91   fi
  92 fi
  93
  94 # next check if it came with Tcl configuration file
  95 if test x"${ac_cv_c_tclconfig}" = x ; then
  96   if test -f $ac_cv_c_tclconfig/../generic/tclInt.h ; then
  97     ac_cv_c_tclh=`(cd $ac_cv_c_tclconfig/..; pwd)`
  98   fi
  99 fi
 100
 101 # next check in private source directory
 102 #
 103 # since ls returns lowest version numbers first, reverse its output
 104 if test x"${ac_cv_c_tclh}" = x ; then
 105   for i in \
 106                 ${srcdir}/../tcl \
 107                 `ls -dr ${srcdir}/../tcl[[7-9]]* 2>/dev/null` \
 108                 ${srcdir}/../../tcl \
 109                 `ls -dr ${srcdir}/../../tcl[[7-9]]* 2>/dev/null` \
 110                 ${srcdir}/../../../tcl \
 111                 `ls -dr ${srcdir}/../../../tcl[[7-9]]* 2>/dev/null ` ; do
 112     if test -f $i/generic/tclInt.h ; then
 113       ac_cv_c_tclh=`(cd $i/generic; pwd)`
 114       break
 115     fi
 116   done
 117 fi
 118 # finally check in a few common install locations
 119 #
 120 # since ls returns lowest version numbers first, reverse its output
 121 if test x"${ac_cv_c_tclh}" = x ; then
 122   for i in \
 123                 `ls -dr /usr/local/src/tcl[[7-9]]* 2>/dev/null` \
 124                 `ls -dr /usr/local/lib/tcl[[7-9]]* 2>/dev/null` \
 125                 /usr/local/src/tcl \
 126                 /usr/local/lib/tcl \
 127                 ${prefix}/include ; do
 128     if test -f $i/generic/tclInt.h ; then
 129       ac_cv_c_tclh=`(cd $i/generic; pwd)`
 130       break
 131     fi
 132   done
 133 fi
 134 # see if one is installed
 135 if test x"${ac_cv_c_tclh}" = x ; then
 136    AC_HEADER_CHECK(tclInt.h, ac_cv_c_tclh=installed, ac_cv_c_tclh="")
 137 fi
 138 ])
 139 if test x"${ac_cv_c_tclh}" = x ; then
 140   TCLHDIR="# no Tcl private headers found"
 141   AC_MSG_ERROR([Can't find Tcl private headers])
 142 fi
 143 if test x"${ac_cv_c_tclh}" != x ; then
 144   no_tcl=""
 145   if test x"${ac_cv_c_tclh}" = x"installed" ; then
 146     AC_MSG_RESULT([is installed])
 147     TCLHDIR=""
 148   else
 149     AC_MSG_RESULT([found in ${ac_cv_c_tclh}])
 150     # this hack is cause the TCLHDIR won't print if there is a "-I" in it.
 151     TCLHDIR="-I${ac_cv_c_tclh}"
 152   fi
 153 fi
 154
 155 AC_SUBST(TCLHDIR)
 156 ])
 157
 158
 159 AC_DEFUN(CY_AC_PATH_TCLCONFIG, [
 160 #
 161 # Ok, lets find the tcl configuration
 162 # First, look for one uninstalled.
 163 # the alternative search directory is invoked by --with-tclconfig
 164 #
 165
 166 if test x"${no_tcl}" = x ; then
 167   # we reset no_tcl in case something fails here
 168   no_tcl=true
 169   AC_ARG_WITH(tclconfig, [  --with-tclconfig=DIR    Directory containing tcl configuration (tclConfig.sh)],
 170          with_tclconfig=${withval})
 171   AC_MSG_CHECKING([for Tcl configuration])
 172   AC_CACHE_VAL(ac_cv_c_tclconfig,[
 173
 174   # First check to see if --with-tclconfig was specified.
 175   if test x"${with_tclconfig}" != x ; then
 176     if test -f "${with_tclconfig}/tclConfig.sh" ; then
 177       ac_cv_c_tclconfig=`(cd ${with_tclconfig}; pwd)`
 178     else
 179       AC_MSG_ERROR([${with_tclconfig} directory doesn't contain tclConfig.sh])
 180     fi
 181   fi
 182
 183   # then check for a private Tcl installation
 184   if test x"${ac_cv_c_tclconfig}" = x ; then
 185     for i in \
 186                 ../tcl \
 187                 `ls -dr ../tcl[[7-9]]* 2>/dev/null` \
 188                 ../../tcl \
 189                 `ls -dr ../../tcl[[7-9]]* 2>/dev/null` \
 190                 ../../../tcl \
 191                 `ls -dr ../../../tcl[[7-9]]* 2>/dev/null` ; do
 192       if test -f "$i/${configdir}/tclConfig.sh" ; then
 193         ac_cv_c_tclconfig=`(cd $i/${configdir}; pwd)`
 194         break
 195       fi
 196     done
 197   fi
 198   # check in a few common install locations
 199   if test x"${ac_cv_c_tclconfig}" = x ; then
 200     for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
 201       if test -f "$i/tclConfig.sh" ; then
 202         ac_cv_c_tclconfig=`(cd $i; pwd)`
 203         break
 204       fi
 205     done
 206   fi
 207   # check in a few other private locations
 208   if test x"${ac_cv_c_tclconfig}" = x ; then
 209     for i in \
 210                 ${srcdir}/../tcl \
 211                 `ls -dr ${srcdir}/../tcl[[7-9]]* 2>/dev/null` ; do
 212       if test -f "$i/${configdir}/tclConfig.sh" ; then
 213         ac_cv_c_tclconfig=`(cd $i/${configdir}; pwd)`
 214         break
 215       fi
 216     done
 217   fi
 218   ])
 219   if test x"${ac_cv_c_tclconfig}" = x ; then
 220     TCLCONFIG="# no Tcl configs found"
 221     AC_MSG_WARN(Can't find Tcl configuration definitions)
 222   else
 223     no_tcl=
 224     TCLCONFIG=${ac_cv_c_tclconfig}/tclConfig.sh
 225     AC_MSG_RESULT(found $TCLCONFIG)
 226   fi
 227 fi
 228 ])
 229
 230 # Defined as a separate macro so we don't have to cache the values
 231 # from PATH_TCLCONFIG (because this can also be cached).
 232 AC_DEFUN(CY_AC_LOAD_TCLCONFIG, [
 233     . $TCLCONFIG
 234
 235     AC_SUBST(TCL_VERSION)
 236     AC_SUBST(TCL_MAJOR_VERSION)
 237     AC_SUBST(TCL_MINOR_VERSION)
 238     AC_SUBST(TCL_CC)
 239     AC_SUBST(TCL_DEFS)
 240
 241 dnl not used, don't export to save symbols
 242 dnl    AC_SUBST(TCL_LIB_FILE)
 243
 244 dnl don't export, not used outside of configure
 245 dnl     AC_SUBST(TCL_LIBS)
 246 dnl not used, don't export to save symbols
 247 dnl    AC_SUBST(TCL_PREFIX)
 248
 249 dnl not used, don't export to save symbols
 250 dnl    AC_SUBST(TCL_EXEC_PREFIX)
 251
 252     AC_SUBST(TCL_SHLIB_CFLAGS)
 253     AC_SUBST(TCL_SHLIB_LD)
 254 dnl don't export, not used outside of configure
 255     AC_SUBST(TCL_SHLIB_LD_LIBS)
 256     AC_SUBST(TCL_SHLIB_SUFFIX)
 257 dnl not used, don't export to save symbols
 258     AC_SUBST(TCL_DL_LIBS)
 259     AC_SUBST(TCL_LD_FLAGS)
 260 dnl don't export, not used outside of configure
 261     AC_SUBST(TCL_LD_SEARCH_FLAGS)
 262     AC_SUBST(TCL_CC_SEARCH_FLAGS)
 263     AC_SUBST(TCL_COMPAT_OBJS)
 264     AC_SUBST(TCL_RANLIB)
 265     AC_SUBST(TCL_BUILD_LIB_SPEC)
 266     AC_SUBST(TCL_LIB_SPEC)
 267     AC_SUBST(TCL_LIB_VERSIONS_OK)
 268
 269 dnl not used, don't export to save symbols
 270 dnl    AC_SUBST(TCL_SHARED_LIB_SUFFIX)
 271
 272 dnl not used, don't export to save symbols
 273 dnl    AC_SUBST(TCL_UNSHARED_LIB_SUFFIX)
 274 ])
 275
 276 # Warning: Tk definitions are very similar to Tcl definitions but
 277 # are not precisely the same.  There are a couple of differences,
 278 # so don't do changes to Tcl thinking you can cut and paste it do
 279 # the Tk differences and later simply substitute "Tk" for "Tcl".
 280 # Known differences:
 281 #  - Acceptable Tcl major version #s is 7-9 while Tk is 4-9
 282 #  - Searching for Tcl includes looking for tclInt.h, Tk looks for tk.h
 283 #  - Computing major/minor versions is different because Tk depends on
 284 #    headers to Tcl, Tk, and X.
 285 #  - Symbols in tkConfig.sh are different than tclConfig.sh
 286 #  - Acceptable for Tk to be missing but not Tcl.
 287
 288 AC_DEFUN(CY_AC_PATH_TKH, [
 289 #
 290 # Ok, lets find the tk source trees so we can use the headers
 291 # If the directory (presumably symlink) named "tk" exists, use that one
 292 # in preference to any others.  Same logic is used when choosing library
 293 # and again with Tcl. The search order is the best place to look first, then in
 294 # decreasing significance. The loop breaks if the trigger file is found.
 295 # Note the gross little conversion here of srcdir by cd'ing to the found
 296 # directory. This converts the path from a relative to an absolute, so
 297 # recursive cache variables for the path will work right. We check all
 298 # the possible paths in one loop rather than many seperate loops to speed
 299 # things up.
 300 # the alternative search directory is involked by --with-tkinclude
 301 #
 302 no_tk=true
 303 AC_MSG_CHECKING(for Tk private headers)
 304 AC_ARG_WITH(tkinclude, [  --with-tkinclude=DIR    Directory where tk private headers are], with_tkinclude=${withval})
 305 AC_CACHE_VAL(ac_cv_c_tkh,[
 306 # first check to see if --with-tkinclude was specified
 307 if test x"${with_tkinclude}" != x ; then
 308   if test -f ${with_tkinclude}/tk.h ; then
 309     ac_cv_c_tkh=`(cd ${with_tkinclude}; pwd)`
 310   elif test -f ${with_tkinclude}/generic/tk.h ; then
 311     ac_cv_c_tkh=`(cd ${with_tkinclude}/generic; pwd)`
 312   else
 313     AC_MSG_ERROR([${with_tkinclude} directory doesn't contain private headers])
 314   fi
 315 fi
 316
 317 # next check if it came with Tk configuration file
 318 if test x"${ac_cv_c_tkconfig}" = x ; then
 319   if test -f $ac_cv_c_tkconfig/../generic/tk.h ; then
 320     ac_cv_c_tkh=`(cd $ac_cv_c_tkconfig/..; pwd)`
 321   fi
 322 fi
 323
 324 # next check in private source directory
 325 #
 326 # since ls returns lowest version numbers first, reverse its output
 327 if test x"${ac_cv_c_tkh}" = x ; then
 328   for i in \
 329                 ${srcdir}/../tk \
 330                 `ls -dr ${srcdir}/../tk[[4-9]]* 2>/dev/null` \
 331                 ${srcdir}/../../tk \
 332                 `ls -dr ${srcdir}/../../tk[[4-9]]* 2>/dev/null` \
 333                 ${srcdir}/../../../tk \
 334                 `ls -dr ${srcdir}/../../../tk[[4-9]]* 2>/dev/null ` ; do
 335     if test -f $i/generic/tk.h ; then
 336       ac_cv_c_tkh=`(cd $i/generic; pwd)`
 337       break
 338     fi
 339   done
 340 fi
 341 # finally check in a few common install locations
 342 #
 343 # since ls returns lowest version numbers first, reverse its output
 344 if test x"${ac_cv_c_tkh}" = x ; then
 345   for i in \
 346                 `ls -dr /usr/local/src/tk[[4-9]]* 2>/dev/null` \
 347                 `ls -dr /usr/local/lib/tk[[4-9]]* 2>/dev/null` \
 348                 /usr/local/src/tk \
 349                 /usr/local/lib/tk \
 350                 ${prefix}/include ; do
 351     if test -f $i/generic/tk.h ; then
 352       ac_cv_c_tkh=`(cd $i/generic; pwd)`
 353       break
 354     fi
 355   done
 356 fi
 357 # see if one is installed
 358 if test x"${ac_cv_c_tkh}" = x ; then
 359    AC_HEADER_CHECK(tk.h, ac_cv_c_tkh=installed, ac_cv_c_tkh="")
 360 fi
 361 ])
 362 if test x"${ac_cv_c_tkh}" != x ; then
 363   no_tk=""
 364   if test x"${ac_cv_c_tkh}" = x"installed" ; then
 365     AC_MSG_RESULT([is installed])
 366     TKHDIR=""
 367   else
 368     AC_MSG_RESULT([found in ${ac_cv_c_tkh}])
 369     # this hack is cause the TKHDIR won't print if there is a "-I" in it.
 370     TKHDIR="-I${ac_cv_c_tkh}"
 371   fi
 372 else
 373   TKHDIR="# no Tk directory found"
 374   AC_MSG_WARN([Can't find Tk private headers])
 375   no_tk=true
 376 fi
 377
 378 AC_SUBST(TKHDIR)
 379 ])
 380
 381
 382 AC_DEFUN(CY_AC_PATH_TKCONFIG, [
 383 #
 384 # Ok, lets find the tk configuration
 385 # First, look for one uninstalled.
 386 # the alternative search directory is invoked by --with-tkconfig
 387 #
 388
 389 if test x"${no_tk}" = x ; then
 390   # we reset no_tk in case something fails here
 391   no_tk=true
 392   AC_ARG_WITH(tkconfig, [  --with-tkconfig=DIR     Directory containing tk configuration (tkConfig.sh)],
 393          with_tkconfig=${withval})
 394   AC_MSG_CHECKING([for Tk configuration])
 395   AC_CACHE_VAL(ac_cv_c_tkconfig,[
 396
 397   # First check to see if --with-tkconfig was specified.
 398   if test x"${with_tkconfig}" != x ; then
 399     if test -f "${with_tkconfig}/tkConfig.sh" ; then
 400       ac_cv_c_tkconfig=`(cd ${with_tkconfig}; pwd)`
 401     else
 402       AC_MSG_ERROR([${with_tkconfig} directory doesn't contain tkConfig.sh])
 403     fi
 404   fi
 405
 406   # then check for a private Tk library
 407   if test x"${ac_cv_c_tkconfig}" = x ; then
 408     for i in \
 409                 ../tk \
 410                 `ls -dr ../tk[[4-9]]* 2>/dev/null` \
 411                 ../../tk \
 412                 `ls -dr ../../tk[[4-9]]* 2>/dev/null` \
 413                 ../../../tk \
 414                 `ls -dr ../../../tk[[4-9]]* 2>/dev/null` ; do
 415       if test -f "$i/${configdir}/tkConfig.sh" ; then
 416         ac_cv_c_tkconfig=`(cd $i/${configdir}; pwd)`
 417         break
 418       fi
 419     done
 420   fi
 421   # check in a few common install locations
 422   if test x"${ac_cv_c_tkconfig}" = x ; then
 423     for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
 424       if test -f "$i/tkConfig.sh" ; then
 425         ac_cv_c_tkconfig=`(cd $i; pwd)`
 426         break
 427       fi
 428     done
 429   fi
 430   # check in a few other private locations
 431   if test x"${ac_cv_c_tkconfig}" = x ; then
 432     for i in \
 433                 ${srcdir}/../tk \
 434                 `ls -dr ${srcdir}/../tk[[4-9]]* 2>/dev/null` ; do
 435       if test -f "$i/${configdir}/tkConfig.sh" ; then
 436         ac_cv_c_tkconfig=`(cd $i/${configdir}; pwd)`
 437         break
 438       fi
 439     done
 440   fi
 441   ])
 442   if test x"${ac_cv_c_tkconfig}" = x ; then
 443     TKCONFIG="# no Tk configs found"
 444     AC_MSG_WARN(Can't find Tk configuration definitions)
 445   else
 446     no_tk=
 447     TKCONFIG=${ac_cv_c_tkconfig}/tkConfig.sh
 448     AC_MSG_RESULT(found $TKCONFIG)
 449   fi
 450 fi
 451
 452 ])
 453
 454 # Defined as a separate macro so we don't have to cache the values
 455 # from PATH_TKCONFIG (because this can also be cached).
 456 AC_DEFUN(CY_AC_LOAD_TKCONFIG, [
 457     if test -f "$TKCONFIG" ; then
 458       . $TKCONFIG
 459     fi
 460
 461     AC_SUBST(TK_VERSION)
 462 dnl not actually used, don't export to save symbols
 463 dnl    AC_SUBST(TK_MAJOR_VERSION)
 464 dnl    AC_SUBST(TK_MINOR_VERSION)
 465     AC_SUBST(TK_DEFS)
 466
 467 dnl not used, don't export to save symbols
 468     dnl AC_SUBST(TK_LIB_FILE)
 469
 470 dnl not used outside of configure
 471 dnl    AC_SUBST(TK_LIBS)
 472 dnl not used, don't export to save symbols
 473 dnl    AC_SUBST(TK_PREFIX)
 474
 475 dnl not used, don't export to save symbols
 476 dnl    AC_SUBST(TK_EXEC_PREFIX)
 477
 478     AC_SUBST(TK_BUILD_INCLUDES)
 479     AC_SUBST(TK_XINCLUDES)
 480     AC_SUBST(TK_XLIBSW)
 481     AC_SUBST(TK_BUILD_LIB_SPEC)
 482     AC_SUBST(TK_LIB_SPEC)
 483 ])
 484
 485 # check for Itcl headers.
 486
 487 AC_DEFUN(CY_AC_PATH_ITCLCONFIG, [
 488 #
 489 # Ok, lets find the itcl configuration
 490 # First, look for one uninstalled.
 491 # the alternative search directory is invoked by --with-itclconfig
 492 #
 493
 494 if test x"${no_itcl}" = x ; then
 495   # we reset no_itcl in case something fails here
 496   no_itcl=true
 497   AC_ARG_WITH(itclconfig, [  --with-itclconfig       Directory containing itcl configuration (itclConfig.sh)],
 498          with_itclconfig=${withval})
 499   AC_MSG_CHECKING([for Itcl configuration])
 500   AC_CACHE_VAL(ac_cv_c_itclconfig,[
 501
 502   # First check to see if --with-itclconfig was specified.
 503   if test x"${with_itclconfig}" != x ; then
 504     if test -f "${with_itclconfig}/itclConfig.sh" ; then
 505       ac_cv_c_itclconfig=`(cd ${with_itclconfig}; pwd)`
 506     else
 507       AC_MSG_ERROR([${with_itclconfig} directory doesn't contain itclConfig.sh])
 508     fi
 509   fi
 510
 511   # then check for a private Itcl library
 512   if test x"${ac_cv_c_itclconfig}" = x ; then
 513     for i in \
 514                 ../itcl/itcl \
 515                 `ls -dr ../itcl[[4-9]]*/itcl 2>/dev/null` \
 516                 ../../itcl \
 517                 `ls -dr ../../itcl[[4-9]]*/itcl 2>/dev/null` \
 518                 ../../../itcl \
 519                 `ls -dr ../../../itcl[[4-9]]*/itcl 2>/dev/null` ; do
 520       if test -f "$i/itclConfig.sh" ; then
 521         ac_cv_c_itclconfig=`(cd $i; pwd)`
 522         break
 523       fi
 524     done
 525   fi
 526   # check in a few common install locations
 527   if test x"${ac_cv_c_itclconfig}" = x ; then
 528     for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
 529       if test -f "$i/itclConfig.sh" ; then
 530         ac_cv_c_itclconfig=`(cd $i; pwd)`
 531         break
 532       fi
 533     done
 534   fi
 535   # check in a few other private locations
 536   if test x"${ac_cv_c_itclconfig}" = x ; then
 537     for i in \
 538                 ${srcdir}/../itcl/itcl \
 539                 `ls -dr ${srcdir}/../itcl[[4-9]]*/itcl 2>/dev/null` ; do
 540       if test -f "$i/itclConfig.sh" ; then
 541         ac_cv_c_itclconfig=`(cd $i; pwd)`
 542         break
 543       fi
 544     done
 545   fi
 546   ])
 547   if test x"${ac_cv_c_itclconfig}" = x ; then
 548     ITCLCONFIG="# no Itcl configs found"
 549     AC_MSG_WARN(Can't find Itcl configuration definitions)
 550   else
 551     no_itcl=
 552     ITCLCONFIG=${ac_cv_c_itclconfig}/itclConfig.sh
 553     AC_MSG_RESULT(found $ITCLCONFIG)
 554   fi
 555 fi
 556 ])
 557
 558 # Defined as a separate macro so we don't have to cache the values
 559 # from PATH_ITCLCONFIG (because this can also be cached).
 560 AC_DEFUN(CY_AC_LOAD_ITCLCONFIG, [
 561     if test -f "$ITCLCONFIG" ; then
 562       . $ITCLCONFIG
 563     fi
 564
 565     AC_SUBST(ITCL_VERSION)
 566 dnl not actually used, don't export to save symbols
 567 dnl    AC_SUBST(ITCL_MAJOR_VERSION)
 568 dnl    AC_SUBST(ITCL_MINOR_VERSION)
 569     AC_SUBST(ITCL_DEFS)
 570
 571 dnl not used, don't export to save symbols
 572     dnl AC_SUBST(ITCL_LIB_FILE)
 573
 574 dnl not used outside of configure
 575 dnl    AC_SUBST(ITCL_LIBS)
 576 dnl not used, don't export to save symbols
 577 dnl    AC_SUBST(ITCL_PREFIX)
 578
 579 dnl not used, don't export to save symbols
 580 dnl    AC_SUBST(ITCL_EXEC_PREFIX)
 581
 582     AC_SUBST(ITCL_BUILD_INCLUDES)
 583     AC_SUBST(ITCL_BUILD_LIB_SPEC)
 584     AC_SUBST(ITCL_LIB_SPEC)
 585 ])
 586
 587 # check for Itcl headers.
 588
 589 AC_DEFUN(CY_AC_PATH_ITCLH, [
 590 AC_MSG_CHECKING(for Itcl private headers. srcdir=${srcdir})
 591 if test x"${ac_cv_c_itclh}" = x ; then
 592   for i in ${srcdir}/../itcl ${srcdir}/../../itcl ${srcdir}/../../../itcl ${srcdir}/../itcl/itcl; do
 593     if test -f $i/generic/itcl.h ; then
 594       ac_cv_c_itclh=`(cd $i/generic; pwd)`
 595       break
 596     fi
 597   done
 598 fi
 599 if test x"${ac_cv_c_itclh}" = x ; then
 600   ITCLHDIR="# no Itcl private headers found"
 601   AC_MSG_ERROR([Can't find Itcl private headers])
 602 fi
 603 if test x"${ac_cv_c_itclh}" != x ; then
 604      ITCLHDIR="-I${ac_cv_c_itclh}"
 605 fi
 606 # should always be here
 607 #     ITCLLIB="../itcl/itcl/unix/libitcl.a"
 608 AC_SUBST(ITCLHDIR)
 609 #AC_SUBST(ITCLLIB)
 610 ])
 611
 612
 613 AC_DEFUN(CY_AC_PATH_ITKCONFIG, [
 614 #
 615 # Ok, lets find the itk configuration
 616 # First, look for one uninstalled.
 617 # the alternative search directory is invoked by --with-itkconfig
 618 #
 619
 620 if test x"${no_itk}" = x ; then
 621   # we reset no_itk in case something fails here
 622   no_itk=true
 623   AC_ARG_WITH(itkconfig, [  --with-itkconfig        Directory containing itk configuration (itkConfig.sh)],
 624          with_itkconfig=${withval})
 625   AC_MSG_CHECKING([for Itk configuration])
 626   AC_CACHE_VAL(ac_cv_c_itkconfig,[
 627
 628   # First check to see if --with-itkconfig was specified.
 629   if test x"${with_itkconfig}" != x ; then
 630     if test -f "${with_itkconfig}/itkConfig.sh" ; then
 631       ac_cv_c_itkconfig=`(cd ${with_itkconfig}; pwd)`
 632     else
 633       AC_MSG_ERROR([${with_itkconfig} directory doesn't contain itkConfig.sh])
 634     fi
 635   fi
 636
 637   # then check for a private Itk library
 638   if test x"${ac_cv_c_itkconfig}" = x ; then
 639     for i in \
 640                 ../itcl/itk \
 641                 `ls -dr ../itcl[[4-9]]*/itk 2>/dev/null` \
 642                 ../../itk \
 643                 `ls -dr ../../itcl[[4-9]]*/itk 2>/dev/null` \
 644                 ../../../itk \
 645                 `ls -dr ../../../itcl[[4-9]]*/itk 2>/dev/null` ; do
 646       if test -f "$i/itkConfig.sh" ; then
 647         ac_cv_c_itkconfig=`(cd $i; pwd)`
 648         break
 649       fi
 650     done
 651   fi
 652   # check in a few common install locations
 653   if test x"${ac_cv_c_itkconfig}" = x ; then
 654     for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
 655       if test -f "$i/itkConfig.sh" ; then
 656         ac_cv_c_itkconfig=`(cd $i; pwd)`
 657         break
 658       fi
 659     done
 660   fi
 661   # check in a few other private locations
 662   if test x"${ac_cv_c_itkconfig}" = x ; then
 663     for i in \
 664                 ${srcdir}/../itcl/itk \
 665                 `ls -dr ${srcdir}/../itcl[[4-9]]*/itk 2>/dev/null` ; do
 666       if test -f "$i/itkConfig.sh" ; then
 667         ac_cv_c_itkconfig=`(cd $i; pwd)`
 668         break
 669       fi
 670     done
 671   fi
 672   ])
 673   if test x"${ac_cv_c_itkconfig}" = x ; then
 674     ITKCONFIG="# no Itk configs found"
 675     AC_MSG_WARN(Can't find Itk configuration definitions)
 676   else
 677     no_itk=
 678     ITKCONFIG=${ac_cv_c_itkconfig}/itkConfig.sh
 679     AC_MSG_RESULT(found $ITKCONFIG)
 680   fi
 681 fi
 682
 683 ])
 684
 685 # Defined as a separate macro so we don't have to cache the values
 686 # from PATH_ITKCONFIG (because this can also be cached).
 687 AC_DEFUN(CY_AC_LOAD_ITKCONFIG, [
 688     if test -f "$ITKCONFIG" ; then
 689       . $ITKCONFIG
 690     fi
 691
 692     AC_SUBST(ITK_VERSION)
 693 dnl not actually used, don't export to save symbols
 694 dnl    AC_SUBST(ITK_MAJOR_VERSION)
 695 dnl    AC_SUBST(ITK_MINOR_VERSION)
 696     AC_SUBST(ITK_DEFS)
 697
 698 dnl not used, don't export to save symbols
 699     dnl AC_SUBST(ITK_LIB_FILE)
 700
 701 dnl not used outside of configure
 702 dnl    AC_SUBST(ITK_LIBS)
 703 dnl not used, don't export to save symbols
 704 dnl    AC_SUBST(ITK_PREFIX)
 705
 706 dnl not used, don't export to save symbols
 707 dnl    AC_SUBST(ITK_EXEC_PREFIX)
 708
 709     AC_SUBST(ITK_BUILD_INCLUDES)
 710     AC_SUBST(ITK_BUILD_LIB_SPEC)
 711     AC_SUBST(ITK_LIB_SPEC)
 712 ])
 713
 714 AC_DEFUN(CY_AC_PATH_ITKH, [
 715 AC_MSG_CHECKING(for Itk private headers. srcdir=${srcdir})
 716 if test x"${ac_cv_c_itkh}" = x ; then
 717   for i in ${srcdir}/../itcl ${srcdir}/../../itcl ${srcdir}/../../../itcl ${srcdir}/../itcl/itk; do
 718     if test -f $i/generic/itk.h ; then
 719       ac_cv_c_itkh=`(cd $i/generic; pwd)`
 720       break
 721     fi
 722   done
 723 fi
 724 if test x"${ac_cv_c_itkh}" = x ; then
 725   ITKHDIR="# no Itk private headers found"
 726   AC_MSG_ERROR([Can't find Itk private headers])
 727 fi
 728 if test x"${ac_cv_c_itkh}" != x ; then
 729      ITKHDIR="-I${ac_cv_c_itkh}"
 730 fi
 731 # should always be here
 732 #     ITKLIB="../itcl/itk/unix/libitk.a"
 733 AC_SUBST(ITKHDIR)
 734 #AC_SUBST(ITKLIB)
 735 ])
 736
 737
 738 dnl sinclude(../gettext.m4) already included by bfd/acinclude.m4
 739 dnl The lines below arrange for aclocal not to bring gettext.m4's
 740 dnl CY_GNU_GETTEXT into aclocal.m4.
 741 ifelse(yes,no,[
 742 AC_DEFUN([CY_GNU_GETTEXT],)
 743 ])
 744
 745 ## ----------------------------------------- ##
 746 ## ANSIfy the C compiler whenever possible.  ##
 747 ## From Franc,ois Pinard                     ##
 748 ## ----------------------------------------- ##
 749
 750 # Copyright 1996, 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
 751
 752 # This program is free software; you can redistribute it and/or modify
 753 # it under the terms of the GNU General Public License as published by
 754 # the Free Software Foundation; either version 2, or (at your option)
 755 # any later version.
 756
 757 # This program is distributed in the hope that it will be useful,
 758 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 759 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 760 # GNU General Public License for more details.
 761
 762 # You should have received a copy of the GNU General Public License
 763 # along with this program; if not, write to the Free Software
 764 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 765 # 02111-1307, USA.
 766
 767 # serial 1
 768
 769 # @defmac AC_PROG_CC_STDC
 770 # @maindex PROG_CC_STDC
 771 # @ovindex CC
 772 # If the C compiler in not in ANSI C mode by default, try to add an option
 773 # to output variable @code{CC} to make it so.  This macro tries various
 774 # options that select ANSI C on some system or another.  It considers the
 775 # compiler to be in ANSI C mode if it handles function prototypes correctly.
 776 #
 777 # If you use this macro, you should check after calling it whether the C
 778 # compiler has been set to accept ANSI C; if not, the shell variable
 779 # @code{am_cv_prog_cc_stdc} is set to @samp{no}.  If you wrote your source
 780 # code in ANSI C, you can make an un-ANSIfied copy of it by using the
 781 # program @code{ansi2knr}, which comes with Ghostscript.
 782 # @end defmac
 783
 784 AC_DEFUN([AM_PROG_CC_STDC],
 785 [AC_REQUIRE([AC_PROG_CC])
 786 AC_BEFORE([$0], [AC_C_INLINE])
 787 AC_BEFORE([$0], [AC_C_CONST])
 788 dnl Force this before AC_PROG_CPP.  Some cpp's, eg on HPUX, require
 789 dnl a magic option to avoid problems with ANSI preprocessor commands
 790 dnl like #elif.
 791 dnl FIXME: can't do this because then AC_AIX won't work due to a
 792 dnl circular dependency.
 793 dnl AC_BEFORE([$0], [AC_PROG_CPP])
 794 AC_MSG_CHECKING([for ${CC-cc} option to accept ANSI C])
 795 AC_CACHE_VAL(am_cv_prog_cc_stdc,
 796 [am_cv_prog_cc_stdc=no
 797 ac_save_CC="$CC"
 798 # Don't try gcc -ansi; that turns off useful extensions and
 799 # breaks some systems' header files.
 800 # AIX                   -qlanglvl=ansi
 801 # Ultrix and OSF/1      -std1
 802 # HP-UX 10.20 and later -Ae
 803 # HP-UX older versions  -Aa -D_HPUX_SOURCE
 804 # SVR4                  -Xc -D__EXTENSIONS__
 805 for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 806 do
 807   CC="$ac_save_CC $ac_arg"
 808   AC_TRY_COMPILE(
 809 [#include <stdarg.h>
 810 #include <stdio.h>
 811 #include <sys/types.h>
 812 #include <sys/stat.h>
 813 /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
 814 struct buf { int x; };
 815 FILE * (*rcsopen) (struct buf *, struct stat *, int);
 816 static char *e (p, i)
 817      char **p;
 818      int i;
 819 {
 820   return p[i];
 821 }
 822 static char *f (char * (*g) (char **, int), char **p, ...)
 823 {
 824   char *s;
 825   va_list v;
 826   va_start (v,p);
 827   s = g (p, va_arg (v,int));
 828   va_end (v);
 829   return s;
 830 }
 831 int test (int i, double x);
 832 struct s1 {int (*f) (int a);};
 833 struct s2 {int (*f) (double a);};
 834 int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
 835 int argc;
 836 char **argv;
 837 ], [
 838 return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
 839 ],
 840 [am_cv_prog_cc_stdc="$ac_arg"; break])
 841 done
 842 CC="$ac_save_CC"
 843 ])
 844 if test -z "$am_cv_prog_cc_stdc"; then
 845   AC_MSG_RESULT([none needed])
 846 else
 847   AC_MSG_RESULT([$am_cv_prog_cc_stdc])
 848 fi
 849 case "x$am_cv_prog_cc_stdc" in
 850   x|xno) ;;
 851   *) CC="$CC $am_cv_prog_cc_stdc" ;;
 852 esac
 853 ])
 854
 855 dnl From Bruno Haible.
 856
 857 AC_DEFUN([AM_ICONV],
 858 [
 859   dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
 860   dnl those with the standalone portable GNU libiconv installed).
 861
 862   AC_ARG_WITH([libiconv-prefix],
 863 [  --with-libiconv-prefix=DIR  search for libiconv in DIR/include and DIR/lib], [
 864     for dir in `echo "$withval" | tr : ' '`; do
 865       if test -d $dir/include; then CPPFLAGS="$CPPFLAGS -I$dir/include"; fi
 866       if test -d $dir/lib; then LDFLAGS="$LDFLAGS -L$dir/lib"; fi
 867     done
 868    ])
 869
 870   AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
 871     am_cv_func_iconv="no, consider installing GNU libiconv"
 872     am_cv_lib_iconv=no
 873     AC_TRY_LINK([#include <stdlib.h>
 874 #include <iconv.h>],
 875       [iconv_t cd = iconv_open("","");
 876        iconv(cd,NULL,NULL,NULL,NULL);
 877        iconv_close(cd);],
 878       am_cv_func_iconv=yes)
 879     if test "$am_cv_func_iconv" != yes; then
 880       am_save_LIBS="$LIBS"
 881       LIBS="$LIBS -liconv"
 882       AC_TRY_LINK([#include <stdlib.h>
 883 #include <iconv.h>],
 884         [iconv_t cd = iconv_open("","");
 885          iconv(cd,NULL,NULL,NULL,NULL);
 886          iconv_close(cd);],
 887         am_cv_lib_iconv=yes
 888         am_cv_func_iconv=yes)
 889       LIBS="$am_save_LIBS"
 890     fi
 891   ])
 892   if test "$am_cv_func_iconv" = yes; then
 893     AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
 894     AC_MSG_CHECKING([for iconv declaration])
 895     AC_CACHE_VAL(am_cv_proto_iconv, [
 896       AC_TRY_COMPILE([
 897 #include <stdlib.h>
 898 #include <iconv.h>
 899 extern
 900 #ifdef __cplusplus
 901 "C"
 902 #endif
 903 #if defined(__STDC__) || defined(__cplusplus)
 904 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
 905 #else
 906 size_t iconv();
 907 #endif
 908 ], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
 909       am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
 910     am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
 911     AC_MSG_RESULT([$]{ac_t:-
 912          }[$]am_cv_proto_iconv)
 913     AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
 914       [Define as const if the declaration of iconv() needs const.])
 915   fi
 916   LIBICONV=
 917   if test "$am_cv_lib_iconv" = yes; then
 918     LIBICONV="-liconv"
 919   fi
 920   AC_SUBST(LIBICONV)
 921 ])
 922
 923 # AC_GNU_SOURCE
 924 # -------------
 925 # FIXME: Remove thise once we start using Autoconf 2.5x (x>=4).
 926 AC_DEFUN([AC_GNU_SOURCE],
 927 [AC_BEFORE([$0], [AC_TRY_COMPILE])dnl
 928 AC_BEFORE([$0], [AC_TRY_RUN])dnl
 929 AC_DEFINE([_GNU_SOURCE])
 930 ])
 931
 932 dnl written by Guido Draheim <guidod@gmx.de>, original by Alexandre Oliva
 933 dnl Version 1.3 (2001/03/02)
 934 dnl source http://www.gnu.org/software/ac-archive/Miscellaneous/ac_define_dir.html
 935
 936 AC_DEFUN([AC_DEFINE_DIR], [
 937   test "x$prefix" = xNONE && prefix="$ac_default_prefix"
 938   test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
 939   ac_define_dir=`eval echo [$]$2`
 940   ac_define_dir=`eval echo [$]ac_define_dir`
 941   ifelse($3, ,
 942     AC_DEFINE_UNQUOTED($1, "$ac_define_dir"),
 943     AC_DEFINE_UNQUOTED($1, "$ac_define_dir", $3))
 944 ])
 945
 946 dnl See whether we need a declaration for a function.
 947 dnl The result is highly dependent on the INCLUDES passed in, so make sure
 948 dnl to use a different cache variable name in this macro if it is invoked
 949 dnl in a different context somewhere else.
 950 dnl gcc_AC_CHECK_DECL(SYMBOL,
 951 dnl     [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, INCLUDES]]])
 952 AC_DEFUN(gcc_AC_CHECK_DECL,
 953 [AC_MSG_CHECKING([whether $1 is declared])
 954 AC_CACHE_VAL(gcc_cv_have_decl_$1,
 955 [AC_TRY_COMPILE([$4],
 956 [#ifndef $1
 957 char *(*pfn) = (char *(*)) $1 ;
 958 #endif], eval "gcc_cv_have_decl_$1=yes", eval "gcc_cv_have_decl_$1=no")])
 959 if eval "test \"`echo '$gcc_cv_have_decl_'$1`\" = yes"; then
 960   AC_MSG_RESULT(yes) ; ifelse([$2], , :, [$2])
 961 else
 962   AC_MSG_RESULT(no) ; ifelse([$3], , :, [$3])
 963 fi
 964 ])dnl
 965
 966 dnl Check multiple functions to see whether each needs a declaration.
 967 dnl Arrange to define HAVE_DECL_<FUNCTION> to 0 or 1 as appropriate.
 968 dnl gcc_AC_CHECK_DECLS(SYMBOLS,
 969 dnl     [ACTION-IF-NEEDED [, ACTION-IF-NOT-NEEDED [, INCLUDES]]])
 970 AC_DEFUN(gcc_AC_CHECK_DECLS,
 971 [for ac_func in $1
 972 do
 973 changequote(, )dnl
 974   ac_tr_decl=HAVE_DECL_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
 975 changequote([, ])dnl
 976 gcc_AC_CHECK_DECL($ac_func,
 977   [AC_DEFINE_UNQUOTED($ac_tr_decl, 1) $2],
 978   [AC_DEFINE_UNQUOTED($ac_tr_decl, 0) $3],
 979 dnl It is possible that the include files passed in here are local headers
 980 dnl which supply a backup declaration for the relevant prototype based on
 981 dnl the definition of (or lack of) the HAVE_DECL_ macro.  If so, this test
 982 dnl will always return success.  E.g. see libiberty.h's handling of
 983 dnl `basename'.  To avoid this, we define the relevant HAVE_DECL_ macro to
 984 dnl 1 so that any local headers used do not provide their own prototype
 985 dnl during this test.
 986 #undef $ac_tr_decl
 987 #define $ac_tr_decl 1
 988   $4
 989 )
 990 done
 991 dnl Automatically generate config.h entries via autoheader.
 992 if test x = y ; then
 993   patsubst(translit([$1], [a-z], [A-Z]), [\w+],
 994     [AC_DEFINE([HAVE_DECL_\&], 1,
 995       [Define to 1 if we found this declaration otherwise define to 0.])])dnl
 996 fi
 997 ])
 998