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/bfd.m4)
   6
   7 dnl This gets the standard macros, like the TCL, TK, etc ones.
   8 sinclude(../config/acinclude.m4)
   9
  10 dnl This gets GCC_HEADER_STDINT.
  11 sinclude(../config/stdint.m4)
  12
  13 sinclude(../config/gettext-sister.m4)
  14
  15 dnl For AC_LIB_HAVE_LINKFLAGS.
  16 sinclude(../config/lib-ld.m4)
  17 sinclude(../config/lib-prefix.m4)
  18 sinclude(../config/lib-link.m4)
  19
  20 #
  21 # Sometimes the native compiler is a bogus stub for gcc or /usr/ucb/cc. This
  22 # makes configure think it's cross compiling. If --target wasn't used, then
  23 # we can't configure, so something is wrong. We don't use the cache
  24 # here cause if somebody fixes their compiler install, we want this to work.
  25 AC_DEFUN([CY_AC_C_WORKS],
  26 [# If we cannot compile and link a trivial program, we can't expect anything to work
  27 AC_MSG_CHECKING(whether the compiler ($CC) actually works)
  28 AC_TRY_COMPILE(, [/* don't need anything here */],
  29         c_compiles=yes, c_compiles=no)
  30
  31 AC_TRY_LINK(, [/* don't need anything here */],
  32         c_links=yes, c_links=no)
  33
  34 if test x"${c_compiles}" = x"no" ; then
  35   AC_MSG_ERROR(the native compiler is broken and won't compile.)
  36 fi
  37
  38 if test x"${c_links}" = x"no" ; then
  39   AC_MSG_ERROR(the native compiler is broken and won't link.)
  40 fi
  41 AC_MSG_RESULT(yes)
  42 ])
  43
  44 AC_DEFUN([CY_AC_PATH_TCLH], [
  45 #
  46 # Ok, lets find the tcl source trees so we can use the headers
  47 # Warning: transition of version 9 to 10 will break this algorithm
  48 # because 10 sorts before 9. We also look for just tcl. We have to
  49 # be careful that we don't match stuff like tclX by accident.
  50 # the alternative search directory is involked by --with-tclinclude
  51 #
  52
  53 no_tcl=true
  54 AC_MSG_CHECKING(for Tcl private headers. dir=${configdir})
  55 AC_ARG_WITH(tclinclude, [  --with-tclinclude=DIR   Directory where tcl private headers are], with_tclinclude=${withval})
  56 AC_CACHE_VAL(ac_cv_c_tclh,[
  57 # first check to see if --with-tclinclude was specified
  58 if test x"${with_tclinclude}" != x ; then
  59   if test -f ${with_tclinclude}/tclInt.h ; then
  60     ac_cv_c_tclh=`(cd ${with_tclinclude}; pwd)`
  61   elif test -f ${with_tclinclude}/generic/tclInt.h ; then
  62     ac_cv_c_tclh=`(cd ${with_tclinclude}/generic; pwd)`
  63   else
  64     AC_MSG_ERROR([${with_tclinclude} directory doesn't contain private headers])
  65   fi
  66 fi
  67
  68 # next check if it came with Tcl configuration file
  69 if test x"${ac_cv_c_tclconfig}" = x ; then
  70   if test -f $ac_cv_c_tclconfig/../generic/tclInt.h ; then
  71     ac_cv_c_tclh=`(cd $ac_cv_c_tclconfig/..; pwd)`
  72   fi
  73 fi
  74
  75 # next check in private source directory
  76 #
  77 # since ls returns lowest version numbers first, reverse its output
  78 if test x"${ac_cv_c_tclh}" = x ; then
  79   for i in \
  80                 ${srcdir}/../tcl \
  81                 `ls -dr ${srcdir}/../tcl[[7-9]]* 2>/dev/null` \
  82                 ${srcdir}/../../tcl \
  83                 `ls -dr ${srcdir}/../../tcl[[7-9]]* 2>/dev/null` \
  84                 ${srcdir}/../../../tcl \
  85                 `ls -dr ${srcdir}/../../../tcl[[7-9]]* 2>/dev/null ` ; do
  86     if test -f $i/generic/tclInt.h ; then
  87       ac_cv_c_tclh=`(cd $i/generic; pwd)`
  88       break
  89     fi
  90   done
  91 fi
  92 # finally check in a few common install locations
  93 #
  94 # since ls returns lowest version numbers first, reverse its output
  95 if test x"${ac_cv_c_tclh}" = x ; then
  96   for i in \
  97                 `ls -dr /usr/local/src/tcl[[7-9]]* 2>/dev/null` \
  98                 `ls -dr /usr/local/lib/tcl[[7-9]]* 2>/dev/null` \
  99                 /usr/local/src/tcl \
 100                 /usr/local/lib/tcl \
 101                 ${prefix}/include ; do
 102     if test -f $i/generic/tclInt.h ; then
 103       ac_cv_c_tclh=`(cd $i/generic; pwd)`
 104       break
 105     fi
 106   done
 107 fi
 108 # see if one is installed
 109 if test x"${ac_cv_c_tclh}" = x ; then
 110    AC_HEADER_CHECK(tclInt.h, ac_cv_c_tclh=installed, ac_cv_c_tclh="")
 111 fi
 112 ])
 113 if test x"${ac_cv_c_tclh}" = x ; then
 114   TCLHDIR="# no Tcl private headers found"
 115   AC_MSG_ERROR([Can't find Tcl private headers])
 116 fi
 117 if test x"${ac_cv_c_tclh}" != x ; then
 118   no_tcl=""
 119   if test x"${ac_cv_c_tclh}" = x"installed" ; then
 120     AC_MSG_RESULT([is installed])
 121     TCLHDIR=""
 122   else
 123     AC_MSG_RESULT([found in ${ac_cv_c_tclh}])
 124     # this hack is cause the TCLHDIR won't print if there is a "-I" in it.
 125     TCLHDIR="-I${ac_cv_c_tclh}"
 126   fi
 127 fi
 128
 129 AC_SUBST(TCLHDIR)
 130 ])
 131
 132
 133 AC_DEFUN([CY_AC_PATH_TCLCONFIG], [
 134 #
 135 # Ok, lets find the tcl configuration
 136 # First, look for one uninstalled.
 137 # the alternative search directory is invoked by --with-tclconfig
 138 #
 139
 140 if test x"${no_tcl}" = x ; then
 141   # we reset no_tcl in case something fails here
 142   no_tcl=true
 143   AC_ARG_WITH(tclconfig, [  --with-tclconfig=DIR    Directory containing tcl configuration (tclConfig.sh)],
 144          with_tclconfig=${withval})
 145   AC_MSG_CHECKING([for Tcl configuration])
 146   AC_CACHE_VAL(ac_cv_c_tclconfig,[
 147
 148   # First check to see if --with-tclconfig was specified.
 149   if test x"${with_tclconfig}" != x ; then
 150     if test -f "${with_tclconfig}/tclConfig.sh" ; then
 151       ac_cv_c_tclconfig=`(cd ${with_tclconfig}; pwd)`
 152     else
 153       AC_MSG_ERROR([${with_tclconfig} directory doesn't contain tclConfig.sh])
 154     fi
 155   fi
 156
 157   # then check for a private Tcl installation
 158   if test x"${ac_cv_c_tclconfig}" = x ; then
 159     for i in \
 160                 ../tcl \
 161                 `ls -dr ../tcl[[7-9]]* 2>/dev/null` \
 162                 ../../tcl \
 163                 `ls -dr ../../tcl[[7-9]]* 2>/dev/null` \
 164                 ../../../tcl \
 165                 `ls -dr ../../../tcl[[7-9]]* 2>/dev/null` ; do
 166       if test -f "$i/${configdir}/tclConfig.sh" ; then
 167         ac_cv_c_tclconfig=`(cd $i/${configdir}; pwd)`
 168         break
 169       fi
 170     done
 171   fi
 172   # check in a few common install locations
 173   if test x"${ac_cv_c_tclconfig}" = x ; then
 174     for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
 175       if test -f "$i/tclConfig.sh" ; then
 176         ac_cv_c_tclconfig=`(cd $i; pwd)`
 177         break
 178       fi
 179     done
 180   fi
 181   # check in a few other private locations
 182   if test x"${ac_cv_c_tclconfig}" = x ; then
 183     for i in \
 184                 ${srcdir}/../tcl \
 185                 `ls -dr ${srcdir}/../tcl[[7-9]]* 2>/dev/null` ; do
 186       if test -f "$i/${configdir}/tclConfig.sh" ; then
 187         ac_cv_c_tclconfig=`(cd $i/${configdir}; pwd)`
 188         break
 189       fi
 190     done
 191   fi
 192   ])
 193   if test x"${ac_cv_c_tclconfig}" = x ; then
 194     TCLCONFIG="# no Tcl configs found"
 195     AC_MSG_WARN(Can't find Tcl configuration definitions)
 196   else
 197     no_tcl=
 198     TCLCONFIG=${ac_cv_c_tclconfig}/tclConfig.sh
 199     AC_MSG_RESULT(found $TCLCONFIG)
 200   fi
 201 fi
 202 ])
 203
 204 # Defined as a separate macro so we don't have to cache the values
 205 # from PATH_TCLCONFIG (because this can also be cached).
 206 AC_DEFUN([CY_AC_LOAD_TCLCONFIG], [
 207     . $TCLCONFIG
 208
 209     AC_SUBST(TCL_VERSION)
 210     AC_SUBST(TCL_MAJOR_VERSION)
 211     AC_SUBST(TCL_MINOR_VERSION)
 212     AC_SUBST(TCL_CC)
 213     AC_SUBST(TCL_DEFS)
 214
 215 dnl not used, don't export to save symbols
 216 dnl    AC_SUBST(TCL_LIB_FILE)
 217
 218 dnl don't export, not used outside of configure
 219 dnl     AC_SUBST(TCL_LIBS)
 220 dnl not used, don't export to save symbols
 221 dnl    AC_SUBST(TCL_PREFIX)
 222
 223 dnl not used, don't export to save symbols
 224 dnl    AC_SUBST(TCL_EXEC_PREFIX)
 225
 226     AC_SUBST(TCL_SHLIB_CFLAGS)
 227     AC_SUBST(TCL_SHLIB_LD)
 228 dnl don't export, not used outside of configure
 229     AC_SUBST(TCL_SHLIB_LD_LIBS)
 230     AC_SUBST(TCL_SHLIB_SUFFIX)
 231 dnl not used, don't export to save symbols
 232     AC_SUBST(TCL_DL_LIBS)
 233     AC_SUBST(TCL_LD_FLAGS)
 234 dnl don't export, not used outside of configure
 235     AC_SUBST(TCL_LD_SEARCH_FLAGS)
 236     AC_SUBST(TCL_CC_SEARCH_FLAGS)
 237     AC_SUBST(TCL_COMPAT_OBJS)
 238     AC_SUBST(TCL_RANLIB)
 239     AC_SUBST(TCL_BUILD_LIB_SPEC)
 240     AC_SUBST(TCL_LIB_SPEC)
 241     AC_SUBST(TCL_LIB_VERSIONS_OK)
 242
 243 dnl not used, don't export to save symbols
 244 dnl    AC_SUBST(TCL_SHARED_LIB_SUFFIX)
 245
 246 dnl not used, don't export to save symbols
 247 dnl    AC_SUBST(TCL_UNSHARED_LIB_SUFFIX)
 248 ])
 249
 250 # Warning: Tk definitions are very similar to Tcl definitions but
 251 # are not precisely the same.  There are a couple of differences,
 252 # so don't do changes to Tcl thinking you can cut and paste it do
 253 # the Tk differences and later simply substitute "Tk" for "Tcl".
 254 # Known differences:
 255 #  - Acceptable Tcl major version #s is 7-9 while Tk is 4-9
 256 #  - Searching for Tcl includes looking for tclInt.h, Tk looks for tk.h
 257 #  - Computing major/minor versions is different because Tk depends on
 258 #    headers to Tcl, Tk, and X.
 259 #  - Symbols in tkConfig.sh are different than tclConfig.sh
 260 #  - Acceptable for Tk to be missing but not Tcl.
 261
 262 AC_DEFUN([CY_AC_PATH_TKH], [
 263 #
 264 # Ok, lets find the tk source trees so we can use the headers
 265 # If the directory (presumably symlink) named "tk" exists, use that one
 266 # in preference to any others.  Same logic is used when choosing library
 267 # and again with Tcl. The search order is the best place to look first, then in
 268 # decreasing significance. The loop breaks if the trigger file is found.
 269 # Note the gross little conversion here of srcdir by cd'ing to the found
 270 # directory. This converts the path from a relative to an absolute, so
 271 # recursive cache variables for the path will work right. We check all
 272 # the possible paths in one loop rather than many seperate loops to speed
 273 # things up.
 274 # the alternative search directory is involked by --with-tkinclude
 275 #
 276 no_tk=true
 277 AC_MSG_CHECKING(for Tk private headers)
 278 AC_ARG_WITH(tkinclude, [  --with-tkinclude=DIR    Directory where tk private headers are], with_tkinclude=${withval})
 279 AC_CACHE_VAL(ac_cv_c_tkh,[
 280 # first check to see if --with-tkinclude was specified
 281 if test x"${with_tkinclude}" != x ; then
 282   if test -f ${with_tkinclude}/tk.h ; then
 283     ac_cv_c_tkh=`(cd ${with_tkinclude}; pwd)`
 284   elif test -f ${with_tkinclude}/generic/tk.h ; then
 285     ac_cv_c_tkh=`(cd ${with_tkinclude}/generic; pwd)`
 286   else
 287     AC_MSG_ERROR([${with_tkinclude} directory doesn't contain private headers])
 288   fi
 289 fi
 290
 291 # next check if it came with Tk configuration file
 292 if test x"${ac_cv_c_tkconfig}" = x ; then
 293   if test -f $ac_cv_c_tkconfig/../generic/tk.h ; then
 294     ac_cv_c_tkh=`(cd $ac_cv_c_tkconfig/..; pwd)`
 295   fi
 296 fi
 297
 298 # next check in private source directory
 299 #
 300 # since ls returns lowest version numbers first, reverse its output
 301 if test x"${ac_cv_c_tkh}" = x ; then
 302   for i in \
 303                 ${srcdir}/../tk \
 304                 `ls -dr ${srcdir}/../tk[[4-9]]* 2>/dev/null` \
 305                 ${srcdir}/../../tk \
 306                 `ls -dr ${srcdir}/../../tk[[4-9]]* 2>/dev/null` \
 307                 ${srcdir}/../../../tk \
 308                 `ls -dr ${srcdir}/../../../tk[[4-9]]* 2>/dev/null ` ; do
 309     if test -f $i/generic/tk.h ; then
 310       ac_cv_c_tkh=`(cd $i/generic; pwd)`
 311       break
 312     fi
 313   done
 314 fi
 315 # finally check in a few common install locations
 316 #
 317 # since ls returns lowest version numbers first, reverse its output
 318 if test x"${ac_cv_c_tkh}" = x ; then
 319   for i in \
 320                 `ls -dr /usr/local/src/tk[[4-9]]* 2>/dev/null` \
 321                 `ls -dr /usr/local/lib/tk[[4-9]]* 2>/dev/null` \
 322                 /usr/local/src/tk \
 323                 /usr/local/lib/tk \
 324                 ${prefix}/include ; do
 325     if test -f $i/generic/tk.h ; then
 326       ac_cv_c_tkh=`(cd $i/generic; pwd)`
 327       break
 328     fi
 329   done
 330 fi
 331 # see if one is installed
 332 if test x"${ac_cv_c_tkh}" = x ; then
 333    AC_HEADER_CHECK(tk.h, ac_cv_c_tkh=installed, ac_cv_c_tkh="")
 334 fi
 335 ])
 336 if test x"${ac_cv_c_tkh}" != x ; then
 337   no_tk=""
 338   if test x"${ac_cv_c_tkh}" = x"installed" ; then
 339     AC_MSG_RESULT([is installed])
 340     TKHDIR=""
 341   else
 342     AC_MSG_RESULT([found in ${ac_cv_c_tkh}])
 343     # this hack is cause the TKHDIR won't print if there is a "-I" in it.
 344     TKHDIR="-I${ac_cv_c_tkh}"
 345   fi
 346 else
 347   TKHDIR="# no Tk directory found"
 348   AC_MSG_WARN([Can't find Tk private headers])
 349   no_tk=true
 350 fi
 351
 352 AC_SUBST(TKHDIR)
 353 ])
 354
 355
 356 AC_DEFUN([CY_AC_PATH_TKCONFIG], [
 357 #
 358 # Ok, lets find the tk configuration
 359 # First, look for one uninstalled.
 360 # the alternative search directory is invoked by --with-tkconfig
 361 #
 362
 363 if test x"${no_tk}" = x ; then
 364   # we reset no_tk in case something fails here
 365   no_tk=true
 366   AC_ARG_WITH(tkconfig, [  --with-tkconfig=DIR     Directory containing tk configuration (tkConfig.sh)],
 367          with_tkconfig=${withval})
 368   AC_MSG_CHECKING([for Tk configuration])
 369   AC_CACHE_VAL(ac_cv_c_tkconfig,[
 370
 371   # First check to see if --with-tkconfig was specified.
 372   if test x"${with_tkconfig}" != x ; then
 373     if test -f "${with_tkconfig}/tkConfig.sh" ; then
 374       ac_cv_c_tkconfig=`(cd ${with_tkconfig}; pwd)`
 375     else
 376       AC_MSG_ERROR([${with_tkconfig} directory doesn't contain tkConfig.sh])
 377     fi
 378   fi
 379
 380   # then check for a private Tk library
 381   if test x"${ac_cv_c_tkconfig}" = x ; then
 382     for i in \
 383                 ../tk \
 384                 `ls -dr ../tk[[4-9]]* 2>/dev/null` \
 385                 ../../tk \
 386                 `ls -dr ../../tk[[4-9]]* 2>/dev/null` \
 387                 ../../../tk \
 388                 `ls -dr ../../../tk[[4-9]]* 2>/dev/null` ; do
 389       if test -f "$i/${configdir}/tkConfig.sh" ; then
 390         ac_cv_c_tkconfig=`(cd $i/${configdir}; pwd)`
 391         break
 392       fi
 393     done
 394   fi
 395   # check in a few common install locations
 396   if test x"${ac_cv_c_tkconfig}" = x ; then
 397     for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
 398       if test -f "$i/tkConfig.sh" ; then
 399         ac_cv_c_tkconfig=`(cd $i; pwd)`
 400         break
 401       fi
 402     done
 403   fi
 404   # check in a few other private locations
 405   if test x"${ac_cv_c_tkconfig}" = x ; then
 406     for i in \
 407                 ${srcdir}/../tk \
 408                 `ls -dr ${srcdir}/../tk[[4-9]]* 2>/dev/null` ; do
 409       if test -f "$i/${configdir}/tkConfig.sh" ; then
 410         ac_cv_c_tkconfig=`(cd $i/${configdir}; pwd)`
 411         break
 412       fi
 413     done
 414   fi
 415   ])
 416   if test x"${ac_cv_c_tkconfig}" = x ; then
 417     TKCONFIG="# no Tk configs found"
 418     AC_MSG_WARN(Can't find Tk configuration definitions)
 419   else
 420     no_tk=
 421     TKCONFIG=${ac_cv_c_tkconfig}/tkConfig.sh
 422     AC_MSG_RESULT(found $TKCONFIG)
 423   fi
 424 fi
 425
 426 ])
 427
 428 # Defined as a separate macro so we don't have to cache the values
 429 # from PATH_TKCONFIG (because this can also be cached).
 430 AC_DEFUN([CY_AC_LOAD_TKCONFIG], [
 431     if test -f "$TKCONFIG" ; then
 432       . $TKCONFIG
 433     fi
 434
 435     AC_SUBST(TK_VERSION)
 436 dnl not actually used, don't export to save symbols
 437 dnl    AC_SUBST(TK_MAJOR_VERSION)
 438 dnl    AC_SUBST(TK_MINOR_VERSION)
 439     AC_SUBST(TK_DEFS)
 440
 441 dnl not used, don't export to save symbols
 442     dnl AC_SUBST(TK_LIB_FILE)
 443
 444 dnl not used outside of configure
 445 dnl    AC_SUBST(TK_LIBS)
 446 dnl not used, don't export to save symbols
 447 dnl    AC_SUBST(TK_PREFIX)
 448
 449 dnl not used, don't export to save symbols
 450 dnl    AC_SUBST(TK_EXEC_PREFIX)
 451
 452     AC_SUBST(TK_BUILD_INCLUDES)
 453     AC_SUBST(TK_XINCLUDES)
 454     AC_SUBST(TK_XLIBSW)
 455     AC_SUBST(TK_BUILD_LIB_SPEC)
 456     AC_SUBST(TK_LIB_SPEC)
 457 ])
 458
 459 # check for Itcl headers.
 460
 461 AC_DEFUN([CY_AC_PATH_ITCLCONFIG], [
 462 #
 463 # Ok, lets find the itcl configuration
 464 # First, look for one uninstalled.
 465 # the alternative search directory is invoked by --with-itclconfig
 466 #
 467
 468 if test x"${no_itcl}" = x ; then
 469   # we reset no_itcl in case something fails here
 470   no_itcl=true
 471   AC_ARG_WITH(itclconfig, [  --with-itclconfig       Directory containing itcl configuration (itclConfig.sh)],
 472          with_itclconfig=${withval})
 473   AC_MSG_CHECKING([for Itcl configuration])
 474   AC_CACHE_VAL(ac_cv_c_itclconfig,[
 475
 476   # First check to see if --with-itclconfig was specified.
 477   if test x"${with_itclconfig}" != x ; then
 478     if test -f "${with_itclconfig}/itclConfig.sh" ; then
 479       ac_cv_c_itclconfig=`(cd ${with_itclconfig}; pwd)`
 480     else
 481       AC_MSG_ERROR([${with_itclconfig} directory doesn't contain itclConfig.sh])
 482     fi
 483   fi
 484
 485   # then check for a private Itcl library
 486   if test x"${ac_cv_c_itclconfig}" = x ; then
 487     for i in \
 488                 ../itcl/itcl \
 489                 `ls -dr ../itcl[[4-9]]*/itcl 2>/dev/null` \
 490                 ../../itcl \
 491                 `ls -dr ../../itcl[[4-9]]*/itcl 2>/dev/null` \
 492                 ../../../itcl \
 493                 `ls -dr ../../../itcl[[4-9]]*/itcl 2>/dev/null` ; do
 494       if test -f "$i/itclConfig.sh" ; then
 495         ac_cv_c_itclconfig=`(cd $i; pwd)`
 496         break
 497       fi
 498     done
 499   fi
 500   # check in a few common install locations
 501   if test x"${ac_cv_c_itclconfig}" = x ; then
 502     for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
 503       if test -f "$i/itclConfig.sh" ; then
 504         ac_cv_c_itclconfig=`(cd $i; pwd)`
 505         break
 506       fi
 507     done
 508   fi
 509   # check in a few other private locations
 510   if test x"${ac_cv_c_itclconfig}" = x ; then
 511     for i in \
 512                 ${srcdir}/../itcl/itcl \
 513                 `ls -dr ${srcdir}/../itcl[[4-9]]*/itcl 2>/dev/null` ; do
 514       if test -f "$i/itclConfig.sh" ; then
 515         ac_cv_c_itclconfig=`(cd $i; pwd)`
 516         break
 517       fi
 518     done
 519   fi
 520   ])
 521   if test x"${ac_cv_c_itclconfig}" = x ; then
 522     ITCLCONFIG="# no Itcl configs found"
 523     AC_MSG_WARN(Can't find Itcl configuration definitions)
 524   else
 525     no_itcl=
 526     ITCLCONFIG=${ac_cv_c_itclconfig}/itclConfig.sh
 527     AC_MSG_RESULT(found $ITCLCONFIG)
 528   fi
 529 fi
 530 ])
 531
 532 # Defined as a separate macro so we don't have to cache the values
 533 # from PATH_ITCLCONFIG (because this can also be cached).
 534 AC_DEFUN([CY_AC_LOAD_ITCLCONFIG], [
 535     if test -f "$ITCLCONFIG" ; then
 536       . $ITCLCONFIG
 537     fi
 538
 539     AC_SUBST(ITCL_VERSION)
 540 dnl not actually used, don't export to save symbols
 541 dnl    AC_SUBST(ITCL_MAJOR_VERSION)
 542 dnl    AC_SUBST(ITCL_MINOR_VERSION)
 543     AC_SUBST(ITCL_DEFS)
 544
 545 dnl not used, don't export to save symbols
 546     dnl AC_SUBST(ITCL_LIB_FILE)
 547
 548 dnl not used outside of configure
 549 dnl    AC_SUBST(ITCL_LIBS)
 550 dnl not used, don't export to save symbols
 551 dnl    AC_SUBST(ITCL_PREFIX)
 552
 553 dnl not used, don't export to save symbols
 554 dnl    AC_SUBST(ITCL_EXEC_PREFIX)
 555
 556     AC_SUBST(ITCL_BUILD_INCLUDES)
 557     AC_SUBST(ITCL_BUILD_LIB_SPEC)
 558     AC_SUBST(ITCL_LIB_SPEC)
 559 ])
 560
 561 # check for Itcl headers.
 562
 563 AC_DEFUN([CY_AC_PATH_ITCLH], [
 564 AC_MSG_CHECKING(for Itcl private headers. srcdir=${srcdir})
 565 if test x"${ac_cv_c_itclh}" = x ; then
 566   for i in ${srcdir}/../itcl ${srcdir}/../../itcl ${srcdir}/../../../itcl ${srcdir}/../itcl/itcl; do
 567     if test -f $i/generic/itcl.h ; then
 568       ac_cv_c_itclh=`(cd $i/generic; pwd)`
 569       break
 570     fi
 571   done
 572 fi
 573 if test x"${ac_cv_c_itclh}" = x ; then
 574   ITCLHDIR="# no Itcl private headers found"
 575   AC_MSG_ERROR([Can't find Itcl private headers])
 576 fi
 577 if test x"${ac_cv_c_itclh}" != x ; then
 578      ITCLHDIR="-I${ac_cv_c_itclh}"
 579 fi
 580 # should always be here
 581 #     ITCLLIB="../itcl/itcl/unix/libitcl.a"
 582 AC_SUBST(ITCLHDIR)
 583 #AC_SUBST(ITCLLIB)
 584 ])
 585
 586
 587 AC_DEFUN([CY_AC_PATH_ITKCONFIG], [
 588 #
 589 # Ok, lets find the itk configuration
 590 # First, look for one uninstalled.
 591 # the alternative search directory is invoked by --with-itkconfig
 592 #
 593
 594 if test x"${no_itk}" = x ; then
 595   # we reset no_itk in case something fails here
 596   no_itk=true
 597   AC_ARG_WITH(itkconfig, [  --with-itkconfig        Directory containing itk configuration (itkConfig.sh)],
 598          with_itkconfig=${withval})
 599   AC_MSG_CHECKING([for Itk configuration])
 600   AC_CACHE_VAL(ac_cv_c_itkconfig,[
 601
 602   # First check to see if --with-itkconfig was specified.
 603   if test x"${with_itkconfig}" != x ; then
 604     if test -f "${with_itkconfig}/itkConfig.sh" ; then
 605       ac_cv_c_itkconfig=`(cd ${with_itkconfig}; pwd)`
 606     else
 607       AC_MSG_ERROR([${with_itkconfig} directory doesn't contain itkConfig.sh])
 608     fi
 609   fi
 610
 611   # then check for a private Itk library
 612   if test x"${ac_cv_c_itkconfig}" = x ; then
 613     for i in \
 614                 ../itcl/itk \
 615                 `ls -dr ../itcl[[4-9]]*/itk 2>/dev/null` \
 616                 ../../itk \
 617                 `ls -dr ../../itcl[[4-9]]*/itk 2>/dev/null` \
 618                 ../../../itk \
 619                 `ls -dr ../../../itcl[[4-9]]*/itk 2>/dev/null` ; do
 620       if test -f "$i/itkConfig.sh" ; then
 621         ac_cv_c_itkconfig=`(cd $i; pwd)`
 622         break
 623       fi
 624     done
 625   fi
 626   # check in a few common install locations
 627   if test x"${ac_cv_c_itkconfig}" = x ; then
 628     for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
 629       if test -f "$i/itkConfig.sh" ; then
 630         ac_cv_c_itkconfig=`(cd $i; pwd)`
 631         break
 632       fi
 633     done
 634   fi
 635   # check in a few other private locations
 636   if test x"${ac_cv_c_itkconfig}" = x ; then
 637     for i in \
 638                 ${srcdir}/../itcl/itk \
 639                 `ls -dr ${srcdir}/../itcl[[4-9]]*/itk 2>/dev/null` ; do
 640       if test -f "$i/itkConfig.sh" ; then
 641         ac_cv_c_itkconfig=`(cd $i; pwd)`
 642         break
 643       fi
 644     done
 645   fi
 646   ])
 647   if test x"${ac_cv_c_itkconfig}" = x ; then
 648     ITKCONFIG="# no Itk configs found"
 649     AC_MSG_WARN(Can't find Itk configuration definitions)
 650   else
 651     no_itk=
 652     ITKCONFIG=${ac_cv_c_itkconfig}/itkConfig.sh
 653     AC_MSG_RESULT(found $ITKCONFIG)
 654   fi
 655 fi
 656
 657 ])
 658
 659 # Defined as a separate macro so we don't have to cache the values
 660 # from PATH_ITKCONFIG (because this can also be cached).
 661 AC_DEFUN([CY_AC_LOAD_ITKCONFIG], [
 662     if test -f "$ITKCONFIG" ; then
 663       . $ITKCONFIG
 664     fi
 665
 666     AC_SUBST(ITK_VERSION)
 667 dnl not actually used, don't export to save symbols
 668 dnl    AC_SUBST(ITK_MAJOR_VERSION)
 669 dnl    AC_SUBST(ITK_MINOR_VERSION)
 670     AC_SUBST(ITK_DEFS)
 671
 672 dnl not used, don't export to save symbols
 673     dnl AC_SUBST(ITK_LIB_FILE)
 674
 675 dnl not used outside of configure
 676 dnl    AC_SUBST(ITK_LIBS)
 677 dnl not used, don't export to save symbols
 678 dnl    AC_SUBST(ITK_PREFIX)
 679
 680 dnl not used, don't export to save symbols
 681 dnl    AC_SUBST(ITK_EXEC_PREFIX)
 682
 683     AC_SUBST(ITK_BUILD_INCLUDES)
 684     AC_SUBST(ITK_BUILD_LIB_SPEC)
 685     AC_SUBST(ITK_LIB_SPEC)
 686 ])
 687
 688 AC_DEFUN([CY_AC_PATH_ITKH], [
 689 AC_MSG_CHECKING(for Itk private headers. srcdir=${srcdir})
 690 if test x"${ac_cv_c_itkh}" = x ; then
 691   for i in ${srcdir}/../itcl ${srcdir}/../../itcl ${srcdir}/../../../itcl ${srcdir}/../itcl/itk; do
 692     if test -f $i/generic/itk.h ; then
 693       ac_cv_c_itkh=`(cd $i/generic; pwd)`
 694       break
 695     fi
 696   done
 697 fi
 698 if test x"${ac_cv_c_itkh}" = x ; then
 699   ITKHDIR="# no Itk private headers found"
 700   AC_MSG_ERROR([Can't find Itk private headers])
 701 fi
 702 if test x"${ac_cv_c_itkh}" != x ; then
 703      ITKHDIR="-I${ac_cv_c_itkh}"
 704 fi
 705 # should always be here
 706 #     ITKLIB="../itcl/itk/unix/libitk.a"
 707 AC_SUBST(ITKHDIR)
 708 #AC_SUBST(ITKLIB)
 709 ])
 710
 711
 712 ## ----------------------------------------- ##
 713 ## ANSIfy the C compiler whenever possible.  ##
 714 ## From Franc,ois Pinard                     ##
 715 ## ----------------------------------------- ##
 716
 717 # Copyright (C) 1996, 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
 718
 719 # This program is free software; you can redistribute it and/or modify
 720 # it under the terms of the GNU General Public License as published by
 721 # the Free Software Foundation; either version 2, or (at your option)
 722 # any later version.
 723
 724 # This program is distributed in the hope that it will be useful,
 725 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 726 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 727 # GNU General Public License for more details.
 728
 729 # You should have received a copy of the GNU General Public License
 730 # along with this program; if not, write to the Free Software
 731 # Foundation, Inc., 51 Franklin Street, Fifth Floor,
 732 # Boston, MA 02110-1301, USA.
 733
 734 # serial 1
 735
 736 # @defmac AC_PROG_CC_STDC
 737 # @maindex PROG_CC_STDC
 738 # @ovindex CC
 739 # If the C compiler in not in ANSI C mode by default, try to add an option
 740 # to output variable @code{CC} to make it so.  This macro tries various
 741 # options that select ANSI C on some system or another.  It considers the
 742 # compiler to be in ANSI C mode if it handles function prototypes correctly.
 743 #
 744 # If you use this macro, you should check after calling it whether the C
 745 # compiler has been set to accept ANSI C; if not, the shell variable
 746 # @code{am_cv_prog_cc_stdc} is set to @samp{no}.  If you wrote your source
 747 # code in ANSI C, you can make an un-ANSIfied copy of it by using the
 748 # program @code{ansi2knr}, which comes with Ghostscript.
 749 # @end defmac
 750
 751 AC_DEFUN([AM_PROG_CC_STDC],
 752 [AC_REQUIRE([AC_PROG_CC])
 753 AC_BEFORE([$0], [AC_C_INLINE])
 754 AC_BEFORE([$0], [AC_C_CONST])
 755 dnl Force this before AC_PROG_CPP.  Some cpp's, eg on HPUX, require
 756 dnl a magic option to avoid problems with ANSI preprocessor commands
 757 dnl like #elif.
 758 dnl FIXME: can't do this because then AC_AIX won't work due to a
 759 dnl circular dependency.
 760 dnl AC_BEFORE([$0], [AC_PROG_CPP])
 761 AC_MSG_CHECKING([for ${CC-cc} option to accept ANSI C])
 762 AC_CACHE_VAL(am_cv_prog_cc_stdc,
 763 [am_cv_prog_cc_stdc=no
 764 ac_save_CC="$CC"
 765 # Don't try gcc -ansi; that turns off useful extensions and
 766 # breaks some systems' header files.
 767 # AIX                   -qlanglvl=ansi
 768 # Ultrix and OSF/1      -std1
 769 # HP-UX 10.20 and later -Ae
 770 # HP-UX older versions  -Aa -D_HPUX_SOURCE
 771 # SVR4                  -Xc -D__EXTENSIONS__
 772 for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 773 do
 774   CC="$ac_save_CC $ac_arg"
 775   AC_TRY_COMPILE(
 776 [#include <stdarg.h>
 777 #include <stdio.h>
 778 #include <sys/types.h>
 779 #include <sys/stat.h>
 780 /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
 781 struct buf { int x; };
 782 FILE * (*rcsopen) (struct buf *, struct stat *, int);
 783 static char *e (p, i)
 784      char **p;
 785      int i;
 786 {
 787   return p[i];
 788 }
 789 static char *f (char * (*g) (char **, int), char **p, ...)
 790 {
 791   char *s;
 792   va_list v;
 793   va_start (v,p);
 794   s = g (p, va_arg (v,int));
 795   va_end (v);
 796   return s;
 797 }
 798 int test (int i, double x);
 799 struct s1 {int (*f) (int a);};
 800 struct s2 {int (*f) (double a);};
 801 int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
 802 int argc;
 803 char **argv;
 804 ], [
 805 return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
 806 ],
 807 [am_cv_prog_cc_stdc="$ac_arg"; break])
 808 done
 809 CC="$ac_save_CC"
 810 ])
 811 if test -z "$am_cv_prog_cc_stdc"; then
 812   AC_MSG_RESULT([none needed])
 813 else
 814   AC_MSG_RESULT([$am_cv_prog_cc_stdc])
 815 fi
 816 case "x$am_cv_prog_cc_stdc" in
 817   x|xno) ;;
 818   *) CC="$CC $am_cv_prog_cc_stdc" ;;
 819 esac
 820 ])
 821
 822 dnl From Bruno Haible.
 823
 824 AC_DEFUN([AM_ICONV],
 825 [
 826   dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
 827   dnl those with the standalone portable GNU libiconv installed).
 828
 829   AC_ARG_WITH([libiconv-prefix],
 830 [  --with-libiconv-prefix=DIR  search for libiconv in DIR/include and DIR/lib], [
 831     for dir in `echo "$withval" | tr : ' '`; do
 832       if test -d $dir/include; then CPPFLAGS="$CPPFLAGS -I$dir/include"; fi
 833       if test -d $dir/lib; then LDFLAGS="$LDFLAGS -L$dir/lib"; fi
 834     done
 835    ])
 836
 837   AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
 838     am_cv_func_iconv="no, consider installing GNU libiconv"
 839     am_cv_lib_iconv=no
 840     AC_TRY_LINK([#include <stdlib.h>
 841 #include <iconv.h>],
 842       [iconv_t cd = iconv_open("","");
 843        iconv(cd,NULL,NULL,NULL,NULL);
 844        iconv_close(cd);],
 845       am_cv_func_iconv=yes)
 846     if test "$am_cv_func_iconv" != yes; then
 847       am_save_LIBS="$LIBS"
 848       LIBS="$LIBS -liconv"
 849       AC_TRY_LINK([#include <stdlib.h>
 850 #include <iconv.h>],
 851         [iconv_t cd = iconv_open("","");
 852          iconv(cd,NULL,NULL,NULL,NULL);
 853          iconv_close(cd);],
 854         am_cv_lib_iconv=yes
 855         am_cv_func_iconv=yes)
 856       LIBS="$am_save_LIBS"
 857     fi
 858   ])
 859   if test "$am_cv_func_iconv" = yes; then
 860     AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
 861     AC_MSG_CHECKING([for iconv declaration])
 862     AC_CACHE_VAL(am_cv_proto_iconv, [
 863       AC_TRY_COMPILE([
 864 #include <stdlib.h>
 865 #include <iconv.h>
 866 extern
 867 #ifdef __cplusplus
 868 "C"
 869 #endif
 870 #if defined(__STDC__) || defined(__cplusplus)
 871 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
 872 #else
 873 size_t iconv();
 874 #endif
 875 ], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
 876       am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
 877     am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
 878     AC_MSG_RESULT([$]{ac_t:-
 879          }[$]am_cv_proto_iconv)
 880     AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
 881       [Define as const if the declaration of iconv() needs const.])
 882   fi
 883   LIBICONV=
 884   if test "$am_cv_lib_iconv" = yes; then
 885     LIBICONV="-liconv"
 886   fi
 887   AC_SUBST(LIBICONV)
 888 ])
 889
 890 dnl written by Guido Draheim <guidod@gmx.de>, original by Alexandre Oliva
 891 dnl Version 1.3 (2001/03/02)
 892 dnl source http://www.gnu.org/software/ac-archive/Miscellaneous/ac_define_dir.html
 893
 894 AC_DEFUN([AC_DEFINE_DIR], [
 895   test "x$prefix" = xNONE && prefix="$ac_default_prefix"
 896   test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
 897   ac_define_dir=`eval echo [$]$2`
 898   ac_define_dir=`eval echo [$]ac_define_dir`
 899   ifelse($3, ,
 900     AC_DEFINE_UNQUOTED($1, "$ac_define_dir"),
 901     AC_DEFINE_UNQUOTED($1, "$ac_define_dir", $3))
 902 ])
 903
 904 dnl See whether we need a declaration for a function.
 905 dnl The result is highly dependent on the INCLUDES passed in, so make sure
 906 dnl to use a different cache variable name in this macro if it is invoked
 907 dnl in a different context somewhere else.
 908 dnl gcc_AC_CHECK_DECL(SYMBOL,
 909 dnl     [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, INCLUDES]]])
 910 AC_DEFUN([gcc_AC_CHECK_DECL],
 911 [AC_MSG_CHECKING([whether $1 is declared])
 912 AC_CACHE_VAL(gcc_cv_have_decl_$1,
 913 [AC_TRY_COMPILE([$4],
 914 [#ifndef $1
 915 char *(*pfn) = (char *(*)) $1 ;
 916 #endif], eval "gcc_cv_have_decl_$1=yes", eval "gcc_cv_have_decl_$1=no")])
 917 if eval "test \"`echo '$gcc_cv_have_decl_'$1`\" = yes"; then
 918   AC_MSG_RESULT(yes) ; ifelse([$2], , :, [$2])
 919 else
 920   AC_MSG_RESULT(no) ; ifelse([$3], , :, [$3])
 921 fi
 922 ])dnl
 923
 924 dnl Check multiple functions to see whether each needs a declaration.
 925 dnl Arrange to define HAVE_DECL_<FUNCTION> to 0 or 1 as appropriate.
 926 dnl gcc_AC_CHECK_DECLS(SYMBOLS,
 927 dnl     [ACTION-IF-NEEDED [, ACTION-IF-NOT-NEEDED [, INCLUDES]]])
 928 AC_DEFUN([gcc_AC_CHECK_DECLS],
 929 [for ac_func in $1
 930 do
 931 changequote(, )dnl
 932   ac_tr_decl=HAVE_DECL_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
 933 changequote([, ])dnl
 934 gcc_AC_CHECK_DECL($ac_func,
 935   [AC_DEFINE_UNQUOTED($ac_tr_decl, 1) $2],
 936   [AC_DEFINE_UNQUOTED($ac_tr_decl, 0) $3],
 937 dnl It is possible that the include files passed in here are local headers
 938 dnl which supply a backup declaration for the relevant prototype based on
 939 dnl the definition of (or lack of) the HAVE_DECL_ macro.  If so, this test
 940 dnl will always return success.  E.g. see libiberty.h's handling of
 941 dnl `basename'.  To avoid this, we define the relevant HAVE_DECL_ macro to
 942 dnl 1 so that any local headers used do not provide their own prototype
 943 dnl during this test.
 944 #undef $ac_tr_decl
 945 #define $ac_tr_decl 1
 946   $4
 947 )
 948 done
 949 dnl Automatically generate config.h entries via autoheader.
 950 if test x = y ; then
 951   patsubst(translit([$1], [a-z], [A-Z]), [\w+],
 952     [AC_DEFINE([HAVE_DECL_\&], 1,
 953       [Define to 1 if we found this declaration otherwise define to 0.])])dnl
 954 fi
 955 ])
 956