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 autoconf bugfixes
  11 sinclude(../config/override.m4)
  12
  13 dnl This gets GCC_HEADER_STDINT.
  14 sinclude(../config/stdint.m4)
  15
  16 sinclude(../config/gettext-sister.m4)
  17
  18 dnl For AC_LIB_HAVE_LINKFLAGS.
  19 sinclude(../config/lib-ld.m4)
  20 sinclude(../config/lib-prefix.m4)
  21 sinclude(../config/lib-link.m4)
  22
  23 #
  24 # Sometimes the native compiler is a bogus stub for gcc or /usr/ucb/cc. This
  25 # makes configure think it's cross compiling. If --target wasn't used, then
  26 # we can't configure, so something is wrong. We don't use the cache
  27 # here cause if somebody fixes their compiler install, we want this to work.
  28 AC_DEFUN([CY_AC_C_WORKS],
  29 [# If we cannot compile and link a trivial program, we can't expect anything to work
  30 AC_MSG_CHECKING(whether the compiler ($CC) actually works)
  31 AC_TRY_COMPILE(, [/* don't need anything here */],
  32         c_compiles=yes, c_compiles=no)
  33
  34 AC_TRY_LINK(, [/* don't need anything here */],
  35         c_links=yes, c_links=no)
  36
  37 if test x"${c_compiles}" = x"no" ; then
  38   AC_MSG_ERROR(the native compiler is broken and won't compile.)
  39 fi
  40
  41 if test x"${c_links}" = x"no" ; then
  42   AC_MSG_ERROR(the native compiler is broken and won't link.)
  43 fi
  44 AC_MSG_RESULT(yes)
  45 ])
  46
  47 AC_DEFUN([CY_AC_PATH_TCLH], [
  48 #
  49 # Ok, lets find the tcl source trees so we can use the headers
  50 # Warning: transition of version 9 to 10 will break this algorithm
  51 # because 10 sorts before 9. We also look for just tcl. We have to
  52 # be careful that we don't match stuff like tclX by accident.
  53 # the alternative search directory is involked by --with-tclinclude
  54 #
  55
  56 no_tcl=true
  57 AC_MSG_CHECKING(for Tcl private headers. dir=${configdir})
  58 AC_ARG_WITH(tclinclude, [  --with-tclinclude=DIR   Directory where tcl private headers are], with_tclinclude=${withval})
  59 AC_CACHE_VAL(ac_cv_c_tclh,[
  60 # first check to see if --with-tclinclude was specified
  61 if test x"${with_tclinclude}" != x ; then
  62   if test -f ${with_tclinclude}/tclInt.h ; then
  63     ac_cv_c_tclh=`(cd ${with_tclinclude}; pwd)`
  64   elif test -f ${with_tclinclude}/generic/tclInt.h ; then
  65     ac_cv_c_tclh=`(cd ${with_tclinclude}/generic; pwd)`
  66   else
  67     AC_MSG_ERROR([${with_tclinclude} directory doesn't contain private headers])
  68   fi
  69 fi
  70
  71 # next check if it came with Tcl configuration file
  72 if test x"${ac_cv_c_tclconfig}" = x ; then
  73   if test -f $ac_cv_c_tclconfig/../generic/tclInt.h ; then
  74     ac_cv_c_tclh=`(cd $ac_cv_c_tclconfig/..; pwd)`
  75   fi
  76 fi
  77
  78 # next check in private source directory
  79 #
  80 # since ls returns lowest version numbers first, reverse its output
  81 if test x"${ac_cv_c_tclh}" = x ; then
  82   for i in \
  83                 ${srcdir}/../tcl \
  84                 `ls -dr ${srcdir}/../tcl[[7-9]]* 2>/dev/null` \
  85                 ${srcdir}/../../tcl \
  86                 `ls -dr ${srcdir}/../../tcl[[7-9]]* 2>/dev/null` \
  87                 ${srcdir}/../../../tcl \
  88                 `ls -dr ${srcdir}/../../../tcl[[7-9]]* 2>/dev/null ` ; do
  89     if test -f $i/generic/tclInt.h ; then
  90       ac_cv_c_tclh=`(cd $i/generic; pwd)`
  91       break
  92     fi
  93   done
  94 fi
  95 # finally check in a few common install locations
  96 #
  97 # since ls returns lowest version numbers first, reverse its output
  98 if test x"${ac_cv_c_tclh}" = x ; then
  99   for i in \
 100                 `ls -dr /usr/local/src/tcl[[7-9]]* 2>/dev/null` \
 101                 `ls -dr /usr/local/lib/tcl[[7-9]]* 2>/dev/null` \
 102                 /usr/local/src/tcl \
 103                 /usr/local/lib/tcl \
 104                 ${prefix}/include ; do
 105     if test -f $i/generic/tclInt.h ; then
 106       ac_cv_c_tclh=`(cd $i/generic; pwd)`
 107       break
 108     fi
 109   done
 110 fi
 111 # see if one is installed
 112 if test x"${ac_cv_c_tclh}" = x ; then
 113    AC_HEADER_CHECK(tclInt.h, ac_cv_c_tclh=installed, ac_cv_c_tclh="")
 114 fi
 115 ])
 116 if test x"${ac_cv_c_tclh}" = x ; then
 117   TCLHDIR="# no Tcl private headers found"
 118   AC_MSG_ERROR([Can't find Tcl private headers])
 119 fi
 120 if test x"${ac_cv_c_tclh}" != x ; then
 121   no_tcl=""
 122   if test x"${ac_cv_c_tclh}" = x"installed" ; then
 123     AC_MSG_RESULT([is installed])
 124     TCLHDIR=""
 125   else
 126     AC_MSG_RESULT([found in ${ac_cv_c_tclh}])
 127     # this hack is cause the TCLHDIR won't print if there is a "-I" in it.
 128     TCLHDIR="-I${ac_cv_c_tclh}"
 129   fi
 130 fi
 131
 132 AC_SUBST(TCLHDIR)
 133 ])
 134
 135
 136 AC_DEFUN([CY_AC_PATH_TCLCONFIG], [
 137 #
 138 # Ok, lets find the tcl configuration
 139 # First, look for one uninstalled.
 140 # the alternative search directory is invoked by --with-tclconfig
 141 #
 142
 143 if test x"${no_tcl}" = x ; then
 144   # we reset no_tcl in case something fails here
 145   no_tcl=true
 146   AC_ARG_WITH(tclconfig, [  --with-tclconfig=DIR    Directory containing tcl configuration (tclConfig.sh)],
 147          with_tclconfig=${withval})
 148   AC_MSG_CHECKING([for Tcl configuration])
 149   AC_CACHE_VAL(ac_cv_c_tclconfig,[
 150
 151   # First check to see if --with-tclconfig was specified.
 152   if test x"${with_tclconfig}" != x ; then
 153     if test -f "${with_tclconfig}/tclConfig.sh" ; then
 154       ac_cv_c_tclconfig=`(cd ${with_tclconfig}; pwd)`
 155     else
 156       AC_MSG_ERROR([${with_tclconfig} directory doesn't contain tclConfig.sh])
 157     fi
 158   fi
 159
 160   # then check for a private Tcl installation
 161   if test x"${ac_cv_c_tclconfig}" = x ; then
 162     for i in \
 163                 ../tcl \
 164                 `ls -dr ../tcl[[7-9]]* 2>/dev/null` \
 165                 ../../tcl \
 166                 `ls -dr ../../tcl[[7-9]]* 2>/dev/null` \
 167                 ../../../tcl \
 168                 `ls -dr ../../../tcl[[7-9]]* 2>/dev/null` ; do
 169       if test -f "$i/${configdir}/tclConfig.sh" ; then
 170         ac_cv_c_tclconfig=`(cd $i/${configdir}; pwd)`
 171         break
 172       fi
 173     done
 174   fi
 175   # check in a few common install locations
 176   if test x"${ac_cv_c_tclconfig}" = x ; then
 177     for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
 178       if test -f "$i/tclConfig.sh" ; then
 179         ac_cv_c_tclconfig=`(cd $i; pwd)`
 180         break
 181       fi
 182     done
 183   fi
 184   # check in a few other private locations
 185   if test x"${ac_cv_c_tclconfig}" = x ; then
 186     for i in \
 187                 ${srcdir}/../tcl \
 188                 `ls -dr ${srcdir}/../tcl[[7-9]]* 2>/dev/null` ; do
 189       if test -f "$i/${configdir}/tclConfig.sh" ; then
 190         ac_cv_c_tclconfig=`(cd $i/${configdir}; pwd)`
 191         break
 192       fi
 193     done
 194   fi
 195   ])
 196   if test x"${ac_cv_c_tclconfig}" = x ; then
 197     TCLCONFIG="# no Tcl configs found"
 198     AC_MSG_WARN(Can't find Tcl configuration definitions)
 199   else
 200     no_tcl=
 201     TCLCONFIG=${ac_cv_c_tclconfig}/tclConfig.sh
 202     AC_MSG_RESULT(found $TCLCONFIG)
 203   fi
 204 fi
 205 ])
 206
 207 # Defined as a separate macro so we don't have to cache the values
 208 # from PATH_TCLCONFIG (because this can also be cached).
 209 AC_DEFUN([CY_AC_LOAD_TCLCONFIG], [
 210     . $TCLCONFIG
 211
 212     AC_SUBST(TCL_VERSION)
 213     AC_SUBST(TCL_MAJOR_VERSION)
 214     AC_SUBST(TCL_MINOR_VERSION)
 215     AC_SUBST(TCL_CC)
 216     AC_SUBST(TCL_DEFS)
 217
 218 dnl not used, don't export to save symbols
 219 dnl    AC_SUBST(TCL_LIB_FILE)
 220
 221 dnl don't export, not used outside of configure
 222 dnl     AC_SUBST(TCL_LIBS)
 223 dnl not used, don't export to save symbols
 224 dnl    AC_SUBST(TCL_PREFIX)
 225
 226 dnl not used, don't export to save symbols
 227 dnl    AC_SUBST(TCL_EXEC_PREFIX)
 228
 229     AC_SUBST(TCL_SHLIB_CFLAGS)
 230     AC_SUBST(TCL_SHLIB_LD)
 231 dnl don't export, not used outside of configure
 232     AC_SUBST(TCL_SHLIB_LD_LIBS)
 233     AC_SUBST(TCL_SHLIB_SUFFIX)
 234 dnl not used, don't export to save symbols
 235     AC_SUBST(TCL_DL_LIBS)
 236     AC_SUBST(TCL_LD_FLAGS)
 237 dnl don't export, not used outside of configure
 238     AC_SUBST(TCL_LD_SEARCH_FLAGS)
 239     AC_SUBST(TCL_CC_SEARCH_FLAGS)
 240     AC_SUBST(TCL_COMPAT_OBJS)
 241     AC_SUBST(TCL_RANLIB)
 242     AC_SUBST(TCL_BUILD_LIB_SPEC)
 243     AC_SUBST(TCL_LIB_SPEC)
 244     AC_SUBST(TCL_LIB_VERSIONS_OK)
 245
 246 dnl not used, don't export to save symbols
 247 dnl    AC_SUBST(TCL_SHARED_LIB_SUFFIX)
 248
 249 dnl not used, don't export to save symbols
 250 dnl    AC_SUBST(TCL_UNSHARED_LIB_SUFFIX)
 251 ])
 252
 253 # Warning: Tk definitions are very similar to Tcl definitions but
 254 # are not precisely the same.  There are a couple of differences,
 255 # so don't do changes to Tcl thinking you can cut and paste it do
 256 # the Tk differences and later simply substitute "Tk" for "Tcl".
 257 # Known differences:
 258 #  - Acceptable Tcl major version #s is 7-9 while Tk is 4-9
 259 #  - Searching for Tcl includes looking for tclInt.h, Tk looks for tk.h
 260 #  - Computing major/minor versions is different because Tk depends on
 261 #    headers to Tcl, Tk, and X.
 262 #  - Symbols in tkConfig.sh are different than tclConfig.sh
 263 #  - Acceptable for Tk to be missing but not Tcl.
 264
 265 AC_DEFUN([CY_AC_PATH_TKH], [
 266 #
 267 # Ok, lets find the tk source trees so we can use the headers
 268 # If the directory (presumably symlink) named "tk" exists, use that one
 269 # in preference to any others.  Same logic is used when choosing library
 270 # and again with Tcl. The search order is the best place to look first, then in
 271 # decreasing significance. The loop breaks if the trigger file is found.
 272 # Note the gross little conversion here of srcdir by cd'ing to the found
 273 # directory. This converts the path from a relative to an absolute, so
 274 # recursive cache variables for the path will work right. We check all
 275 # the possible paths in one loop rather than many seperate loops to speed
 276 # things up.
 277 # the alternative search directory is involked by --with-tkinclude
 278 #
 279 no_tk=true
 280 AC_MSG_CHECKING(for Tk private headers)
 281 AC_ARG_WITH(tkinclude, [  --with-tkinclude=DIR    Directory where tk private headers are], with_tkinclude=${withval})
 282 AC_CACHE_VAL(ac_cv_c_tkh,[
 283 # first check to see if --with-tkinclude was specified
 284 if test x"${with_tkinclude}" != x ; then
 285   if test -f ${with_tkinclude}/tk.h ; then
 286     ac_cv_c_tkh=`(cd ${with_tkinclude}; pwd)`
 287   elif test -f ${with_tkinclude}/generic/tk.h ; then
 288     ac_cv_c_tkh=`(cd ${with_tkinclude}/generic; pwd)`
 289   else
 290     AC_MSG_ERROR([${with_tkinclude} directory doesn't contain private headers])
 291   fi
 292 fi
 293
 294 # next check if it came with Tk configuration file
 295 if test x"${ac_cv_c_tkconfig}" = x ; then
 296   if test -f $ac_cv_c_tkconfig/../generic/tk.h ; then
 297     ac_cv_c_tkh=`(cd $ac_cv_c_tkconfig/..; pwd)`
 298   fi
 299 fi
 300
 301 # next check in private source directory
 302 #
 303 # since ls returns lowest version numbers first, reverse its output
 304 if test x"${ac_cv_c_tkh}" = x ; then
 305   for i in \
 306                 ${srcdir}/../tk \
 307                 `ls -dr ${srcdir}/../tk[[4-9]]* 2>/dev/null` \
 308                 ${srcdir}/../../tk \
 309                 `ls -dr ${srcdir}/../../tk[[4-9]]* 2>/dev/null` \
 310                 ${srcdir}/../../../tk \
 311                 `ls -dr ${srcdir}/../../../tk[[4-9]]* 2>/dev/null ` ; do
 312     if test -f $i/generic/tk.h ; then
 313       ac_cv_c_tkh=`(cd $i/generic; pwd)`
 314       break
 315     fi
 316   done
 317 fi
 318 # finally check in a few common install locations
 319 #
 320 # since ls returns lowest version numbers first, reverse its output
 321 if test x"${ac_cv_c_tkh}" = x ; then
 322   for i in \
 323                 `ls -dr /usr/local/src/tk[[4-9]]* 2>/dev/null` \
 324                 `ls -dr /usr/local/lib/tk[[4-9]]* 2>/dev/null` \
 325                 /usr/local/src/tk \
 326                 /usr/local/lib/tk \
 327                 ${prefix}/include ; do
 328     if test -f $i/generic/tk.h ; then
 329       ac_cv_c_tkh=`(cd $i/generic; pwd)`
 330       break
 331     fi
 332   done
 333 fi
 334 # see if one is installed
 335 if test x"${ac_cv_c_tkh}" = x ; then
 336    AC_HEADER_CHECK(tk.h, ac_cv_c_tkh=installed, ac_cv_c_tkh="")
 337 fi
 338 ])
 339 if test x"${ac_cv_c_tkh}" != x ; then
 340   no_tk=""
 341   if test x"${ac_cv_c_tkh}" = x"installed" ; then
 342     AC_MSG_RESULT([is installed])
 343     TKHDIR=""
 344   else
 345     AC_MSG_RESULT([found in ${ac_cv_c_tkh}])
 346     # this hack is cause the TKHDIR won't print if there is a "-I" in it.
 347     TKHDIR="-I${ac_cv_c_tkh}"
 348   fi
 349 else
 350   TKHDIR="# no Tk directory found"
 351   AC_MSG_WARN([Can't find Tk private headers])
 352   no_tk=true
 353 fi
 354
 355 AC_SUBST(TKHDIR)
 356 ])
 357
 358
 359 AC_DEFUN([CY_AC_PATH_TKCONFIG], [
 360 #
 361 # Ok, lets find the tk configuration
 362 # First, look for one uninstalled.
 363 # the alternative search directory is invoked by --with-tkconfig
 364 #
 365
 366 if test x"${no_tk}" = x ; then
 367   # we reset no_tk in case something fails here
 368   no_tk=true
 369   AC_ARG_WITH(tkconfig, [  --with-tkconfig=DIR     Directory containing tk configuration (tkConfig.sh)],
 370          with_tkconfig=${withval})
 371   AC_MSG_CHECKING([for Tk configuration])
 372   AC_CACHE_VAL(ac_cv_c_tkconfig,[
 373
 374   # First check to see if --with-tkconfig was specified.
 375   if test x"${with_tkconfig}" != x ; then
 376     if test -f "${with_tkconfig}/tkConfig.sh" ; then
 377       ac_cv_c_tkconfig=`(cd ${with_tkconfig}; pwd)`
 378     else
 379       AC_MSG_ERROR([${with_tkconfig} directory doesn't contain tkConfig.sh])
 380     fi
 381   fi
 382
 383   # then check for a private Tk library
 384   if test x"${ac_cv_c_tkconfig}" = x ; then
 385     for i in \
 386                 ../tk \
 387                 `ls -dr ../tk[[4-9]]* 2>/dev/null` \
 388                 ../../tk \
 389                 `ls -dr ../../tk[[4-9]]* 2>/dev/null` \
 390                 ../../../tk \
 391                 `ls -dr ../../../tk[[4-9]]* 2>/dev/null` ; do
 392       if test -f "$i/${configdir}/tkConfig.sh" ; then
 393         ac_cv_c_tkconfig=`(cd $i/${configdir}; pwd)`
 394         break
 395       fi
 396     done
 397   fi
 398   # check in a few common install locations
 399   if test x"${ac_cv_c_tkconfig}" = x ; then
 400     for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
 401       if test -f "$i/tkConfig.sh" ; then
 402         ac_cv_c_tkconfig=`(cd $i; pwd)`
 403         break
 404       fi
 405     done
 406   fi
 407   # check in a few other private locations
 408   if test x"${ac_cv_c_tkconfig}" = x ; then
 409     for i in \
 410                 ${srcdir}/../tk \
 411                 `ls -dr ${srcdir}/../tk[[4-9]]* 2>/dev/null` ; do
 412       if test -f "$i/${configdir}/tkConfig.sh" ; then
 413         ac_cv_c_tkconfig=`(cd $i/${configdir}; pwd)`
 414         break
 415       fi
 416     done
 417   fi
 418   ])
 419   if test x"${ac_cv_c_tkconfig}" = x ; then
 420     TKCONFIG="# no Tk configs found"
 421     AC_MSG_WARN(Can't find Tk configuration definitions)
 422   else
 423     no_tk=
 424     TKCONFIG=${ac_cv_c_tkconfig}/tkConfig.sh
 425     AC_MSG_RESULT(found $TKCONFIG)
 426   fi
 427 fi
 428
 429 ])
 430
 431 # Defined as a separate macro so we don't have to cache the values
 432 # from PATH_TKCONFIG (because this can also be cached).
 433 AC_DEFUN([CY_AC_LOAD_TKCONFIG], [
 434     if test -f "$TKCONFIG" ; then
 435       . $TKCONFIG
 436     fi
 437
 438     AC_SUBST(TK_VERSION)
 439 dnl not actually used, don't export to save symbols
 440 dnl    AC_SUBST(TK_MAJOR_VERSION)
 441 dnl    AC_SUBST(TK_MINOR_VERSION)
 442     AC_SUBST(TK_DEFS)
 443
 444 dnl not used, don't export to save symbols
 445     dnl AC_SUBST(TK_LIB_FILE)
 446
 447 dnl not used outside of configure
 448 dnl    AC_SUBST(TK_LIBS)
 449 dnl not used, don't export to save symbols
 450 dnl    AC_SUBST(TK_PREFIX)
 451
 452 dnl not used, don't export to save symbols
 453 dnl    AC_SUBST(TK_EXEC_PREFIX)
 454
 455     AC_SUBST(TK_BUILD_INCLUDES)
 456     AC_SUBST(TK_XINCLUDES)
 457     AC_SUBST(TK_XLIBSW)
 458     AC_SUBST(TK_BUILD_LIB_SPEC)
 459     AC_SUBST(TK_LIB_SPEC)
 460 ])
 461
 462 # check for Itcl headers.
 463
 464 AC_DEFUN([CY_AC_PATH_ITCLCONFIG], [
 465 #
 466 # Ok, lets find the itcl configuration
 467 # First, look for one uninstalled.
 468 # the alternative search directory is invoked by --with-itclconfig
 469 #
 470
 471 if test x"${no_itcl}" = x ; then
 472   # we reset no_itcl in case something fails here
 473   no_itcl=true
 474   AC_ARG_WITH(itclconfig, [  --with-itclconfig       Directory containing itcl configuration (itclConfig.sh)],
 475          with_itclconfig=${withval})
 476   AC_MSG_CHECKING([for Itcl configuration])
 477   AC_CACHE_VAL(ac_cv_c_itclconfig,[
 478
 479   # First check to see if --with-itclconfig was specified.
 480   if test x"${with_itclconfig}" != x ; then
 481     if test -f "${with_itclconfig}/itclConfig.sh" ; then
 482       ac_cv_c_itclconfig=`(cd ${with_itclconfig}; pwd)`
 483     else
 484       AC_MSG_ERROR([${with_itclconfig} directory doesn't contain itclConfig.sh])
 485     fi
 486   fi
 487
 488   # then check for a private Itcl library
 489   if test x"${ac_cv_c_itclconfig}" = x ; then
 490     for i in \
 491                 ../itcl/itcl \
 492                 `ls -dr ../itcl[[4-9]]*/itcl 2>/dev/null` \
 493                 ../../itcl \
 494                 `ls -dr ../../itcl[[4-9]]*/itcl 2>/dev/null` \
 495                 ../../../itcl \
 496                 `ls -dr ../../../itcl[[4-9]]*/itcl 2>/dev/null` ; do
 497       if test -f "$i/itclConfig.sh" ; then
 498         ac_cv_c_itclconfig=`(cd $i; pwd)`
 499         break
 500       fi
 501     done
 502   fi
 503   # check in a few common install locations
 504   if test x"${ac_cv_c_itclconfig}" = x ; then
 505     for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
 506       if test -f "$i/itclConfig.sh" ; then
 507         ac_cv_c_itclconfig=`(cd $i; pwd)`
 508         break
 509       fi
 510     done
 511   fi
 512   # check in a few other private locations
 513   if test x"${ac_cv_c_itclconfig}" = x ; then
 514     for i in \
 515                 ${srcdir}/../itcl/itcl \
 516                 `ls -dr ${srcdir}/../itcl[[4-9]]*/itcl 2>/dev/null` ; do
 517       if test -f "$i/itclConfig.sh" ; then
 518         ac_cv_c_itclconfig=`(cd $i; pwd)`
 519         break
 520       fi
 521     done
 522   fi
 523   ])
 524   if test x"${ac_cv_c_itclconfig}" = x ; then
 525     ITCLCONFIG="# no Itcl configs found"
 526     AC_MSG_WARN(Can't find Itcl configuration definitions)
 527   else
 528     no_itcl=
 529     ITCLCONFIG=${ac_cv_c_itclconfig}/itclConfig.sh
 530     AC_MSG_RESULT(found $ITCLCONFIG)
 531   fi
 532 fi
 533 ])
 534
 535 # Defined as a separate macro so we don't have to cache the values
 536 # from PATH_ITCLCONFIG (because this can also be cached).
 537 AC_DEFUN([CY_AC_LOAD_ITCLCONFIG], [
 538     if test -f "$ITCLCONFIG" ; then
 539       . $ITCLCONFIG
 540     fi
 541
 542     AC_SUBST(ITCL_VERSION)
 543 dnl not actually used, don't export to save symbols
 544 dnl    AC_SUBST(ITCL_MAJOR_VERSION)
 545 dnl    AC_SUBST(ITCL_MINOR_VERSION)
 546     AC_SUBST(ITCL_DEFS)
 547
 548 dnl not used, don't export to save symbols
 549     dnl AC_SUBST(ITCL_LIB_FILE)
 550
 551 dnl not used outside of configure
 552 dnl    AC_SUBST(ITCL_LIBS)
 553 dnl not used, don't export to save symbols
 554 dnl    AC_SUBST(ITCL_PREFIX)
 555
 556 dnl not used, don't export to save symbols
 557 dnl    AC_SUBST(ITCL_EXEC_PREFIX)
 558
 559     AC_SUBST(ITCL_BUILD_INCLUDES)
 560     AC_SUBST(ITCL_BUILD_LIB_SPEC)
 561     AC_SUBST(ITCL_LIB_SPEC)
 562 ])
 563
 564 # check for Itcl headers.
 565
 566 AC_DEFUN([CY_AC_PATH_ITCLH], [
 567 AC_MSG_CHECKING(for Itcl private headers. srcdir=${srcdir})
 568 if test x"${ac_cv_c_itclh}" = x ; then
 569   for i in ${srcdir}/../itcl ${srcdir}/../../itcl ${srcdir}/../../../itcl ${srcdir}/../itcl/itcl; do
 570     if test -f $i/generic/itcl.h ; then
 571       ac_cv_c_itclh=`(cd $i/generic; pwd)`
 572       break
 573     fi
 574   done
 575 fi
 576 if test x"${ac_cv_c_itclh}" = x ; then
 577   ITCLHDIR="# no Itcl private headers found"
 578   AC_MSG_ERROR([Can't find Itcl private headers])
 579 fi
 580 if test x"${ac_cv_c_itclh}" != x ; then
 581      ITCLHDIR="-I${ac_cv_c_itclh}"
 582 fi
 583 # should always be here
 584 #     ITCLLIB="../itcl/itcl/unix/libitcl.a"
 585 AC_SUBST(ITCLHDIR)
 586 #AC_SUBST(ITCLLIB)
 587 ])
 588
 589
 590 AC_DEFUN([CY_AC_PATH_ITKCONFIG], [
 591 #
 592 # Ok, lets find the itk configuration
 593 # First, look for one uninstalled.
 594 # the alternative search directory is invoked by --with-itkconfig
 595 #
 596
 597 if test x"${no_itk}" = x ; then
 598   # we reset no_itk in case something fails here
 599   no_itk=true
 600   AC_ARG_WITH(itkconfig, [  --with-itkconfig        Directory containing itk configuration (itkConfig.sh)],
 601          with_itkconfig=${withval})
 602   AC_MSG_CHECKING([for Itk configuration])
 603   AC_CACHE_VAL(ac_cv_c_itkconfig,[
 604
 605   # First check to see if --with-itkconfig was specified.
 606   if test x"${with_itkconfig}" != x ; then
 607     if test -f "${with_itkconfig}/itkConfig.sh" ; then
 608       ac_cv_c_itkconfig=`(cd ${with_itkconfig}; pwd)`
 609     else
 610       AC_MSG_ERROR([${with_itkconfig} directory doesn't contain itkConfig.sh])
 611     fi
 612   fi
 613
 614   # then check for a private Itk library
 615   if test x"${ac_cv_c_itkconfig}" = x ; then
 616     for i in \
 617                 ../itcl/itk \
 618                 `ls -dr ../itcl[[4-9]]*/itk 2>/dev/null` \
 619                 ../../itk \
 620                 `ls -dr ../../itcl[[4-9]]*/itk 2>/dev/null` \
 621                 ../../../itk \
 622                 `ls -dr ../../../itcl[[4-9]]*/itk 2>/dev/null` ; do
 623       if test -f "$i/itkConfig.sh" ; then
 624         ac_cv_c_itkconfig=`(cd $i; pwd)`
 625         break
 626       fi
 627     done
 628   fi
 629   # check in a few common install locations
 630   if test x"${ac_cv_c_itkconfig}" = x ; then
 631     for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
 632       if test -f "$i/itkConfig.sh" ; then
 633         ac_cv_c_itkconfig=`(cd $i; pwd)`
 634         break
 635       fi
 636     done
 637   fi
 638   # check in a few other private locations
 639   if test x"${ac_cv_c_itkconfig}" = x ; then
 640     for i in \
 641                 ${srcdir}/../itcl/itk \
 642                 `ls -dr ${srcdir}/../itcl[[4-9]]*/itk 2>/dev/null` ; do
 643       if test -f "$i/itkConfig.sh" ; then
 644         ac_cv_c_itkconfig=`(cd $i; pwd)`
 645         break
 646       fi
 647     done
 648   fi
 649   ])
 650   if test x"${ac_cv_c_itkconfig}" = x ; then
 651     ITKCONFIG="# no Itk configs found"
 652     AC_MSG_WARN(Can't find Itk configuration definitions)
 653   else
 654     no_itk=
 655     ITKCONFIG=${ac_cv_c_itkconfig}/itkConfig.sh
 656     AC_MSG_RESULT(found $ITKCONFIG)
 657   fi
 658 fi
 659
 660 ])
 661
 662 # Defined as a separate macro so we don't have to cache the values
 663 # from PATH_ITKCONFIG (because this can also be cached).
 664 AC_DEFUN([CY_AC_LOAD_ITKCONFIG], [
 665     if test -f "$ITKCONFIG" ; then
 666       . $ITKCONFIG
 667     fi
 668
 669     AC_SUBST(ITK_VERSION)
 670 dnl not actually used, don't export to save symbols
 671 dnl    AC_SUBST(ITK_MAJOR_VERSION)
 672 dnl    AC_SUBST(ITK_MINOR_VERSION)
 673     AC_SUBST(ITK_DEFS)
 674
 675 dnl not used, don't export to save symbols
 676     dnl AC_SUBST(ITK_LIB_FILE)
 677
 678 dnl not used outside of configure
 679 dnl    AC_SUBST(ITK_LIBS)
 680 dnl not used, don't export to save symbols
 681 dnl    AC_SUBST(ITK_PREFIX)
 682
 683 dnl not used, don't export to save symbols
 684 dnl    AC_SUBST(ITK_EXEC_PREFIX)
 685
 686     AC_SUBST(ITK_BUILD_INCLUDES)
 687     AC_SUBST(ITK_BUILD_LIB_SPEC)
 688     AC_SUBST(ITK_LIB_SPEC)
 689 ])
 690
 691 AC_DEFUN([CY_AC_PATH_ITKH], [
 692 AC_MSG_CHECKING(for Itk private headers. srcdir=${srcdir})
 693 if test x"${ac_cv_c_itkh}" = x ; then
 694   for i in ${srcdir}/../itcl ${srcdir}/../../itcl ${srcdir}/../../../itcl ${srcdir}/../itcl/itk; do
 695     if test -f $i/generic/itk.h ; then
 696       ac_cv_c_itkh=`(cd $i/generic; pwd)`
 697       break
 698     fi
 699   done
 700 fi
 701 if test x"${ac_cv_c_itkh}" = x ; then
 702   ITKHDIR="# no Itk private headers found"
 703   AC_MSG_ERROR([Can't find Itk private headers])
 704 fi
 705 if test x"${ac_cv_c_itkh}" != x ; then
 706      ITKHDIR="-I${ac_cv_c_itkh}"
 707 fi
 708 # should always be here
 709 #     ITKLIB="../itcl/itk/unix/libitk.a"
 710 AC_SUBST(ITKHDIR)
 711 #AC_SUBST(ITKLIB)
 712 ])
 713
 714
 715 ## ----------------------------------------- ##
 716 ## ANSIfy the C compiler whenever possible.  ##
 717 ## From Franc,ois Pinard                     ##
 718 ## ----------------------------------------- ##
 719
 720 # Copyright (C) 1996, 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
 721
 722 # This program is free software; you can redistribute it and/or modify
 723 # it under the terms of the GNU General Public License as published by
 724 # the Free Software Foundation; either version 2, or (at your option)
 725 # any later version.
 726
 727 # This program is distributed in the hope that it will be useful,
 728 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 729 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 730 # GNU General Public License for more details.
 731
 732 # You should have received a copy of the GNU General Public License
 733 # along with this program; if not, write to the Free Software
 734 # Foundation, Inc., 51 Franklin Street, Fifth Floor,
 735 # Boston, MA 02110-1301, USA.
 736
 737 # serial 1
 738
 739 # @defmac AC_PROG_CC_STDC
 740 # @maindex PROG_CC_STDC
 741 # @ovindex CC
 742 # If the C compiler in not in ANSI C mode by default, try to add an option
 743 # to output variable @code{CC} to make it so.  This macro tries various
 744 # options that select ANSI C on some system or another.  It considers the
 745 # compiler to be in ANSI C mode if it handles function prototypes correctly.
 746 #
 747 # If you use this macro, you should check after calling it whether the C
 748 # compiler has been set to accept ANSI C; if not, the shell variable
 749 # @code{am_cv_prog_cc_stdc} is set to @samp{no}.  If you wrote your source
 750 # code in ANSI C, you can make an un-ANSIfied copy of it by using the
 751 # program @code{ansi2knr}, which comes with Ghostscript.
 752 # @end defmac
 753
 754 AC_DEFUN([AM_PROG_CC_STDC],
 755 [AC_REQUIRE([AC_PROG_CC])
 756 AC_BEFORE([$0], [AC_C_INLINE])
 757 AC_BEFORE([$0], [AC_C_CONST])
 758 dnl Force this before AC_PROG_CPP.  Some cpp's, eg on HPUX, require
 759 dnl a magic option to avoid problems with ANSI preprocessor commands
 760 dnl like #elif.
 761 dnl FIXME: can't do this because then AC_AIX won't work due to a
 762 dnl circular dependency.
 763 dnl AC_BEFORE([$0], [AC_PROG_CPP])
 764 AC_MSG_CHECKING([for ${CC-cc} option to accept ANSI C])
 765 AC_CACHE_VAL(am_cv_prog_cc_stdc,
 766 [am_cv_prog_cc_stdc=no
 767 ac_save_CC="$CC"
 768 # Don't try gcc -ansi; that turns off useful extensions and
 769 # breaks some systems' header files.
 770 # AIX                   -qlanglvl=ansi
 771 # Ultrix and OSF/1      -std1
 772 # HP-UX 10.20 and later -Ae
 773 # HP-UX older versions  -Aa -D_HPUX_SOURCE
 774 # SVR4                  -Xc -D__EXTENSIONS__
 775 for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 776 do
 777   CC="$ac_save_CC $ac_arg"
 778   AC_TRY_COMPILE(
 779 [#include <stdarg.h>
 780 #include <stdio.h>
 781 #include <sys/types.h>
 782 #include <sys/stat.h>
 783 /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
 784 struct buf { int x; };
 785 FILE * (*rcsopen) (struct buf *, struct stat *, int);
 786 static char *e (p, i)
 787      char **p;
 788      int i;
 789 {
 790   return p[i];
 791 }
 792 static char *f (char * (*g) (char **, int), char **p, ...)
 793 {
 794   char *s;
 795   va_list v;
 796   va_start (v,p);
 797   s = g (p, va_arg (v,int));
 798   va_end (v);
 799   return s;
 800 }
 801 int test (int i, double x);
 802 struct s1 {int (*f) (int a);};
 803 struct s2 {int (*f) (double a);};
 804 int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
 805 int argc;
 806 char **argv;
 807 ], [
 808 return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
 809 ],
 810 [am_cv_prog_cc_stdc="$ac_arg"; break])
 811 done
 812 CC="$ac_save_CC"
 813 ])
 814 if test -z "$am_cv_prog_cc_stdc"; then
 815   AC_MSG_RESULT([none needed])
 816 else
 817   AC_MSG_RESULT([$am_cv_prog_cc_stdc])
 818 fi
 819 case "x$am_cv_prog_cc_stdc" in
 820   x|xno) ;;
 821   *) CC="$CC $am_cv_prog_cc_stdc" ;;
 822 esac
 823 ])
 824
 825 dnl From Bruno Haible.
 826
 827 AC_DEFUN([AM_ICONV],
 828 [
 829   dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
 830   dnl those with the standalone portable GNU libiconv installed).
 831
 832   AC_ARG_WITH([libiconv-prefix],
 833 [  --with-libiconv-prefix=DIR  search for libiconv in DIR/include and DIR/lib], [
 834     for dir in `echo "$withval" | tr : ' '`; do
 835       if test -d $dir/include; then CPPFLAGS="$CPPFLAGS -I$dir/include"; fi
 836       if test -d $dir/lib; then LDFLAGS="$LDFLAGS -L$dir/lib"; fi
 837     done
 838    ])
 839
 840   AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
 841     am_cv_func_iconv="no, consider installing GNU libiconv"
 842     am_cv_lib_iconv=no
 843     AC_TRY_LINK([#include <stdlib.h>
 844 #include <iconv.h>],
 845       [iconv_t cd = iconv_open("","");
 846        iconv(cd,NULL,NULL,NULL,NULL);
 847        iconv_close(cd);],
 848       am_cv_func_iconv=yes)
 849     if test "$am_cv_func_iconv" != yes; then
 850       am_save_LIBS="$LIBS"
 851       LIBS="$LIBS -liconv"
 852       AC_TRY_LINK([#include <stdlib.h>
 853 #include <iconv.h>],
 854         [iconv_t cd = iconv_open("","");
 855          iconv(cd,NULL,NULL,NULL,NULL);
 856          iconv_close(cd);],
 857         am_cv_lib_iconv=yes
 858         am_cv_func_iconv=yes)
 859       LIBS="$am_save_LIBS"
 860     fi
 861   ])
 862   if test "$am_cv_func_iconv" = yes; then
 863     AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
 864     AC_MSG_CHECKING([for iconv declaration])
 865     AC_CACHE_VAL(am_cv_proto_iconv, [
 866       AC_TRY_COMPILE([
 867 #include <stdlib.h>
 868 #include <iconv.h>
 869 extern
 870 #ifdef __cplusplus
 871 "C"
 872 #endif
 873 #if defined(__STDC__) || defined(__cplusplus)
 874 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
 875 #else
 876 size_t iconv();
 877 #endif
 878 ], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
 879       am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
 880     am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
 881     AC_MSG_RESULT([$]{ac_t:-
 882          }[$]am_cv_proto_iconv)
 883     AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
 884       [Define as const if the declaration of iconv() needs const.])
 885   fi
 886   LIBICONV=
 887   if test "$am_cv_lib_iconv" = yes; then
 888     LIBICONV="-liconv"
 889   fi
 890   AC_SUBST(LIBICONV)
 891 ])
 892
 893 dnl written by Guido Draheim <guidod@gmx.de>, original by Alexandre Oliva
 894 dnl Version 1.3 (2001/03/02)
 895 dnl source http://www.gnu.org/software/ac-archive/Miscellaneous/ac_define_dir.html
 896
 897 AC_DEFUN([AC_DEFINE_DIR], [
 898   test "x$prefix" = xNONE && prefix="$ac_default_prefix"
 899   test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
 900   ac_define_dir=`eval echo [$]$2`
 901   ac_define_dir=`eval echo [$]ac_define_dir`
 902   ifelse($3, ,
 903     AC_DEFINE_UNQUOTED($1, "$ac_define_dir"),
 904     AC_DEFINE_UNQUOTED($1, "$ac_define_dir", $3))
 905 ])
 906
 907 dnl See whether we need a declaration for a function.
 908 dnl The result is highly dependent on the INCLUDES passed in, so make sure
 909 dnl to use a different cache variable name in this macro if it is invoked
 910 dnl in a different context somewhere else.
 911 dnl gcc_AC_CHECK_DECL(SYMBOL,
 912 dnl     [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, INCLUDES]]])
 913 AC_DEFUN([gcc_AC_CHECK_DECL],
 914 [AC_MSG_CHECKING([whether $1 is declared])
 915 AC_CACHE_VAL(gcc_cv_have_decl_$1,
 916 [AC_TRY_COMPILE([$4],
 917 [#ifndef $1
 918 char *(*pfn) = (char *(*)) $1 ;
 919 #endif], eval "gcc_cv_have_decl_$1=yes", eval "gcc_cv_have_decl_$1=no")])
 920 if eval "test \"`echo '$gcc_cv_have_decl_'$1`\" = yes"; then
 921   AC_MSG_RESULT(yes) ; ifelse([$2], , :, [$2])
 922 else
 923   AC_MSG_RESULT(no) ; ifelse([$3], , :, [$3])
 924 fi
 925 ])dnl
 926
 927 dnl Check multiple functions to see whether each needs a declaration.
 928 dnl Arrange to define HAVE_DECL_<FUNCTION> to 0 or 1 as appropriate.
 929 dnl gcc_AC_CHECK_DECLS(SYMBOLS,
 930 dnl     [ACTION-IF-NEEDED [, ACTION-IF-NOT-NEEDED [, INCLUDES]]])
 931 AC_DEFUN([gcc_AC_CHECK_DECLS],
 932 [for ac_func in $1
 933 do
 934 changequote(, )dnl
 935   ac_tr_decl=HAVE_DECL_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
 936 changequote([, ])dnl
 937 gcc_AC_CHECK_DECL($ac_func,
 938   [AC_DEFINE_UNQUOTED($ac_tr_decl, 1) $2],
 939   [AC_DEFINE_UNQUOTED($ac_tr_decl, 0) $3],
 940 dnl It is possible that the include files passed in here are local headers
 941 dnl which supply a backup declaration for the relevant prototype based on
 942 dnl the definition of (or lack of) the HAVE_DECL_ macro.  If so, this test
 943 dnl will always return success.  E.g. see libiberty.h's handling of
 944 dnl `basename'.  To avoid this, we define the relevant HAVE_DECL_ macro to
 945 dnl 1 so that any local headers used do not provide their own prototype
 946 dnl during this test.
 947 #undef $ac_tr_decl
 948 #define $ac_tr_decl 1
 949   $4
 950 )
 951 done
 952 dnl Automatically generate config.h entries via autoheader.
 953 if test x = y ; then
 954   patsubst(translit([$1], [a-z], [A-Z]), [\w+],
 955     [AC_DEFINE([HAVE_DECL_\&], 1,
 956       [Define to 1 if we found this declaration otherwise define to 0.])])dnl
 957 fi
 958 ])
 959