gdb/aclocal.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 sinclude(../bfd/aclocal.m4)
   5
   6 dnl CY_AC_PATH_TCLCONFIG and CY_AC_LOAD_TCLCONFIG should be invoked
   7 dnl (in that order) before any other TCL macros.  Similarly for TK.
   8
   9 dnl CYGNUS LOCAL: This gets the right posix flag for gcc
  10 AC_DEFUN(CY_AC_TCL_LYNX_POSIX,
  11 [AC_REQUIRE([AC_PROG_CC])AC_REQUIRE([AC_PROG_CPP])
  12 AC_MSG_CHECKING([if running LynxOS])
  13 AC_CACHE_VAL(ac_cv_os_lynx,
  14 [AC_EGREP_CPP(yes,
  15 [/*
  16  * The old Lynx "cc" only defines "Lynx", but the newer one uses "__Lynx__"
  17  */
  18 #if defined(__Lynx__) || defined(Lynx)
  19 yes
  20 #endif
  21 ], ac_cv_os_lynx=yes, ac_cv_os_lynx=no)])
  22 #
  23 if test "$ac_cv_os_lynx" = "yes" ; then
  24   AC_MSG_RESULT(yes)
  25   AC_DEFINE(LYNX)
  26   AC_MSG_CHECKING([whether -mposix or -X is available])
  27   AC_CACHE_VAL(ac_cv_c_posix_flag,
  28   [AC_TRY_COMPILE(,[
  29   /*
  30    * This flag varies depending on how old the compiler is.
  31    * -X is for the old "cc" and "gcc" (based on 1.42).
  32    * -mposix is for the new gcc (at least 2.5.8).
  33    */
  34   #if defined(__GNUC__) && __GNUC__ >= 2
  35   choke me
  36   #endif
  37   ], ac_cv_c_posix_flag=" -mposix", ac_cv_c_posix_flag=" -X")])
  38   CC="$CC $ac_cv_c_posix_flag"
  39   AC_MSG_RESULT($ac_cv_c_posix_flag)
  40   else
  41   AC_MSG_RESULT(no)
  42 fi
  43 ])
  44
  45 #
  46 # Sometimes the native compiler is a bogus stub for gcc or /usr/ucb/cc. This
  47 # makes configure think it's cross compiling. If --target wasn't used, then
  48 # we can't configure, so something is wrong. We don't use the cache
  49 # here cause if somebody fixes their compiler install, we want this to work.
  50 AC_DEFUN(CY_AC_C_WORKS,
  51 [# If we cannot compile and link a trivial program, we can't expect anything to work
  52 AC_MSG_CHECKING(whether the compiler ($CC) actually works)
  53 AC_TRY_COMPILE(, [/* don't need anything here */],
  54         c_compiles=yes, c_compiles=no)
  55
  56 AC_TRY_LINK(, [/* don't need anything here */],
  57         c_links=yes, c_links=no)
  58
  59 if test x"${c_compiles}" = x"no" ; then
  60   AC_MSG_ERROR(the native compiler is broken and won't compile.)
  61 fi
  62
  63 if test x"${c_links}" = x"no" ; then
  64   AC_MSG_ERROR(the native compiler is broken and won't link.)
  65 fi
  66 AC_MSG_RESULT(yes)
  67 ])
  68
  69 AC_DEFUN(CY_AC_PATH_TCLH, [
  70 #
  71 # Ok, lets find the tcl source trees so we can use the headers
  72 # Warning: transition of version 9 to 10 will break this algorithm
  73 # because 10 sorts before 9. We also look for just tcl. We have to
  74 # be careful that we don't match stuff like tclX by accident.
  75 # the alternative search directory is involked by --with-tclinclude
  76 #
  77
  78 no_tcl=true
  79 AC_MSG_CHECKING(for Tcl private headers. dir=${configdir})
  80 AC_ARG_WITH(tclinclude, [  --with-tclinclude       directory where tcl private headers are], with_tclinclude=${withval})
  81 AC_CACHE_VAL(ac_cv_c_tclh,[
  82 # first check to see if --with-tclinclude was specified
  83 if test x"${with_tclinclude}" != x ; then
  84   if test -f ${with_tclinclude}/tclInt.h ; then
  85     ac_cv_c_tclh=`(cd ${with_tclinclude}; pwd)`
  86   elif test -f ${with_tclinclude}/generic/tclInt.h ; then
  87     ac_cv_c_tclh=`(cd ${with_tclinclude}/generic; pwd)`
  88   else
  89     AC_MSG_ERROR([${with_tclinclude} directory doesn't contain private headers])
  90   fi
  91 fi
  92
  93 # next check if it came with Tcl configuration file
  94 if test x"${ac_cv_c_tclconfig}" = x ; then
  95   if test -f $ac_cv_c_tclconfig/../generic/tclInt.h ; then
  96     ac_cv_c_tclh=`(cd $ac_cv_c_tclconfig/..; pwd)`
  97   fi
  98 fi
  99
 100 # next check in private source directory
 101 #
 102 # since ls returns lowest version numbers first, reverse its output
 103 if test x"${ac_cv_c_tclh}" = x ; then
 104   for i in \
 105                 ${srcdir}/../tcl \
 106                 `ls -dr ${srcdir}/../tcl[[7-9]]* 2>/dev/null` \
 107                 ${srcdir}/../../tcl \
 108                 `ls -dr ${srcdir}/../../tcl[[7-9]]* 2>/dev/null` \
 109                 ${srcdir}/../../../tcl \
 110                 `ls -dr ${srcdir}/../../../tcl[[7-9]]* 2>/dev/null ` ; do
 111     if test -f $i/generic/tclInt.h ; then
 112       ac_cv_c_tclh=`(cd $i/generic; pwd)`
 113       break
 114     fi
 115   done
 116 fi
 117 # finally check in a few common install locations
 118 #
 119 # since ls returns lowest version numbers first, reverse its output
 120 if test x"${ac_cv_c_tclh}" = x ; then
 121   for i in \
 122                 `ls -dr /usr/local/src/tcl[[7-9]]* 2>/dev/null` \
 123                 `ls -dr /usr/local/lib/tcl[[7-9]]* 2>/dev/null` \
 124                 /usr/local/src/tcl \
 125                 /usr/local/lib/tcl \
 126                 ${prefix}/include ; do
 127     if test -f $i/generic/tclInt.h ; then
 128       ac_cv_c_tclh=`(cd $i/generic; pwd)`
 129       break
 130     fi
 131   done
 132 fi
 133 # see if one is installed
 134 if test x"${ac_cv_c_tclh}" = x ; then
 135    AC_HEADER_CHECK(tclInt.h, ac_cv_c_tclh=installed, ac_cv_c_tclh="")
 136 fi
 137 ])
 138 if test x"${ac_cv_c_tclh}" = x ; then
 139   TCLHDIR="# no Tcl private headers found"
 140   AC_MSG_ERROR([Can't find Tcl private headers])
 141 fi
 142 if test x"${ac_cv_c_tclh}" != x ; then
 143   no_tcl=""
 144   if test x"${ac_cv_c_tclh}" = x"installed" ; then
 145     AC_MSG_RESULT([is installed])
 146     TCLHDIR=""
 147   else
 148     AC_MSG_RESULT([found in ${ac_cv_c_tclh}])
 149     # this hack is cause the TCLHDIR won't print if there is a "-I" in it.
 150     TCLHDIR="-I${ac_cv_c_tclh}"
 151   fi
 152 fi
 153
 154 AC_SUBST(TCLHDIR)
 155 ])
 156
 157
 158 AC_DEFUN(CY_AC_PATH_TCLCONFIG, [
 159 #
 160 # Ok, lets find the tcl configuration
 161 # First, look for one uninstalled.
 162 # the alternative search directory is invoked by --with-tclconfig
 163 #
 164
 165 if test x"${no_tcl}" = x ; then
 166   # we reset no_tcl in case something fails here
 167   no_tcl=true
 168   AC_ARG_WITH(tclconfig, [  --with-tclconfig           directory containing tcl configuration (tclConfig.sh)],
 169          with_tclconfig=${withval})
 170   AC_MSG_CHECKING([for Tcl configuration])
 171   AC_CACHE_VAL(ac_cv_c_tclconfig,[
 172
 173   # First check to see if --with-tclconfig was specified.
 174   if test x"${with_tclconfig}" != x ; then
 175     if test -f "${with_tclconfig}/tclConfig.sh" ; then
 176       ac_cv_c_tclconfig=`(cd ${with_tclconfig}; pwd)`
 177     else
 178       AC_MSG_ERROR([${with_tclconfig} directory doesn't contain tclConfig.sh])
 179     fi
 180   fi
 181
 182   # then check for a private Tcl installation
 183   if test x"${ac_cv_c_tclconfig}" = x ; then
 184     for i in \
 185                 ../tcl \
 186                 `ls -dr ../tcl[[7-9]]* 2>/dev/null` \
 187                 ../../tcl \
 188                 `ls -dr ../../tcl[[7-9]]* 2>/dev/null` \
 189                 ../../../tcl \
 190                 `ls -dr ../../../tcl[[7-9]]* 2>/dev/null` ; do
 191       if test -f "$i/${configdir}/tclConfig.sh" ; then
 192         ac_cv_c_tclconfig=`(cd $i/${configdir}; pwd)`
 193         break
 194       fi
 195     done
 196   fi
 197   # check in a few common install locations
 198   if test x"${ac_cv_c_tclconfig}" = x ; then
 199     for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
 200       if test -f "$i/tclConfig.sh" ; then
 201         ac_cv_c_tclconfig=`(cd $i; pwd)`
 202         break
 203       fi
 204     done
 205   fi
 206   # check in a few other private locations
 207   if test x"${ac_cv_c_tclconfig}" = x ; then
 208     for i in \
 209                 ${srcdir}/../tcl \
 210                 `ls -dr ${srcdir}/../tcl[[7-9]]* 2>/dev/null` ; do
 211       if test -f "$i/${configdir}/tclConfig.sh" ; then
 212         ac_cv_c_tclconfig=`(cd $i/${configdir}; pwd)`
 213         break
 214       fi
 215     done
 216   fi
 217   ])
 218   if test x"${ac_cv_c_tclconfig}" = x ; then
 219     TCLCONFIG="# no Tcl configs found"
 220     AC_MSG_WARN(Can't find Tcl configuration definitions)
 221   else
 222     no_tcl=
 223     TCLCONFIG=${ac_cv_c_tclconfig}/tclConfig.sh
 224     AC_MSG_RESULT(found $TCLCONFIG)
 225   fi
 226 fi
 227 ])
 228
 229 # Defined as a separate macro so we don't have to cache the values
 230 # from PATH_TCLCONFIG (because this can also be cached).
 231 AC_DEFUN(CY_AC_LOAD_TCLCONFIG, [
 232     . $TCLCONFIG
 233
 234     AC_SUBST(TCL_VERSION)
 235     AC_SUBST(TCL_MAJOR_VERSION)
 236     AC_SUBST(TCL_MINOR_VERSION)
 237     AC_SUBST(TCL_CC)
 238     AC_SUBST(TCL_DEFS)
 239
 240 dnl not used, don't export to save symbols
 241 dnl    AC_SUBST(TCL_LIB_FILE)
 242
 243 dnl don't export, not used outside of configure
 244 dnl     AC_SUBST(TCL_LIBS)
 245 dnl not used, don't export to save symbols
 246 dnl    AC_SUBST(TCL_PREFIX)
 247
 248 dnl not used, don't export to save symbols
 249 dnl    AC_SUBST(TCL_EXEC_PREFIX)
 250
 251     AC_SUBST(TCL_SHLIB_CFLAGS)
 252     AC_SUBST(TCL_SHLIB_LD)
 253 dnl don't export, not used outside of configure
 254     AC_SUBST(TCL_SHLIB_LD_LIBS)
 255     AC_SUBST(TCL_SHLIB_SUFFIX)
 256 dnl not used, don't export to save symbols
 257     AC_SUBST(TCL_DL_LIBS)
 258     AC_SUBST(TCL_LD_FLAGS)
 259 dnl don't export, not used outside of configure
 260     AC_SUBST(TCL_LD_SEARCH_FLAGS)
 261     AC_SUBST(TCL_COMPAT_OBJS)
 262     AC_SUBST(TCL_RANLIB)
 263     AC_SUBST(TCL_BUILD_LIB_SPEC)
 264     AC_SUBST(TCL_LIB_SPEC)
 265     AC_SUBST(TCL_LIB_VERSIONS_OK)
 266
 267 dnl not used, don't export to save symbols
 268 dnl    AC_SUBST(TCL_SHARED_LIB_SUFFIX)
 269
 270 dnl not used, don't export to save symbols
 271 dnl    AC_SUBST(TCL_UNSHARED_LIB_SUFFIX)
 272 ])
 273
 274 # Warning: Tk definitions are very similar to Tcl definitions but
 275 # are not precisely the same.  There are a couple of differences,
 276 # so don't do changes to Tcl thinking you can cut and paste it do
 277 # the Tk differences and later simply substitute "Tk" for "Tcl".
 278 # Known differences:
 279 #  - Acceptable Tcl major version #s is 7-9 while Tk is 4-9
 280 #  - Searching for Tcl includes looking for tclInt.h, Tk looks for tk.h
 281 #  - Computing major/minor versions is different because Tk depends on
 282 #    headers to Tcl, Tk, and X.
 283 #  - Symbols in tkConfig.sh are different than tclConfig.sh
 284 #  - Acceptable for Tk to be missing but not Tcl.
 285
 286 AC_DEFUN(CY_AC_PATH_TKH, [
 287 #
 288 # Ok, lets find the tk source trees so we can use the headers
 289 # If the directory (presumably symlink) named "tk" exists, use that one
 290 # in preference to any others.  Same logic is used when choosing library
 291 # and again with Tcl. The search order is the best place to look first, then in
 292 # decreasing significance. The loop breaks if the trigger file is found.
 293 # Note the gross little conversion here of srcdir by cd'ing to the found
 294 # directory. This converts the path from a relative to an absolute, so
 295 # recursive cache variables for the path will work right. We check all
 296 # the possible paths in one loop rather than many seperate loops to speed
 297 # things up.
 298 # the alternative search directory is involked by --with-tkinclude
 299 #
 300 no_tk=true
 301 AC_MSG_CHECKING(for Tk private headers)
 302 AC_ARG_WITH(tkinclude, [  --with-tkinclude       directory where tk private headers are], with_tkinclude=${withval})
 303 AC_CACHE_VAL(ac_cv_c_tkh,[
 304 # first check to see if --with-tkinclude was specified
 305 if test x"${with_tkinclude}" != x ; then
 306   if test -f ${with_tkinclude}/tk.h ; then
 307     ac_cv_c_tkh=`(cd ${with_tkinclude}; pwd)`
 308   elif test -f ${with_tkinclude}/generic/tk.h ; then
 309     ac_cv_c_tkh=`(cd ${with_tkinclude}/generic; pwd)`
 310   else
 311     AC_MSG_ERROR([${with_tkinclude} directory doesn't contain private headers])
 312   fi
 313 fi
 314
 315 # next check if it came with Tk configuration file
 316 if test x"${ac_cv_c_tkconfig}" = x ; then
 317   if test -f $ac_cv_c_tkconfig/../generic/tk.h ; then
 318     ac_cv_c_tkh=`(cd $ac_cv_c_tkconfig/..; pwd)`
 319   fi
 320 fi
 321
 322 # next check in private source directory
 323 #
 324 # since ls returns lowest version numbers first, reverse its output
 325 if test x"${ac_cv_c_tkh}" = x ; then
 326   for i in \
 327                 ${srcdir}/../tk \
 328                 `ls -dr ${srcdir}/../tk[[4-9]]* 2>/dev/null` \
 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 ` ; do
 333     if test -f $i/generic/tk.h ; then
 334       ac_cv_c_tkh=`(cd $i/generic; pwd)`
 335       break
 336     fi
 337   done
 338 fi
 339 # finally check in a few common install locations
 340 #
 341 # since ls returns lowest version numbers first, reverse its output
 342 if test x"${ac_cv_c_tkh}" = x ; then
 343   for i in \
 344                 `ls -dr /usr/local/src/tk[[4-9]]* 2>/dev/null` \
 345                 `ls -dr /usr/local/lib/tk[[4-9]]* 2>/dev/null` \
 346                 /usr/local/src/tk \
 347                 /usr/local/lib/tk \
 348                 ${prefix}/include ; do
 349     if test -f $i/generic/tk.h ; then
 350       ac_cv_c_tkh=`(cd $i/generic; pwd)`
 351       break
 352     fi
 353   done
 354 fi
 355 # see if one is installed
 356 if test x"${ac_cv_c_tkh}" = x ; then
 357    AC_HEADER_CHECK(tk.h, ac_cv_c_tkh=installed, ac_cv_c_tkh="")
 358 fi
 359 ])
 360 if test x"${ac_cv_c_tkh}" != x ; then
 361   no_tk=""
 362   if test x"${ac_cv_c_tkh}" = x"installed" ; then
 363     AC_MSG_RESULT([is installed])
 364     TKHDIR=""
 365   else
 366     AC_MSG_RESULT([found in ${ac_cv_c_tkh}])
 367     # this hack is cause the TKHDIR won't print if there is a "-I" in it.
 368     TKHDIR="-I${ac_cv_c_tkh}"
 369   fi
 370 else
 371   TKHDIR="# no Tk directory found"
 372   AC_MSG_WARN([Can't find Tk private headers])
 373   no_tk=true
 374 fi
 375
 376 AC_SUBST(TKHDIR)
 377 ])
 378
 379
 380 AC_DEFUN(CY_AC_PATH_TKCONFIG, [
 381 #
 382 # Ok, lets find the tk configuration
 383 # First, look for one uninstalled.
 384 # the alternative search directory is invoked by --with-tkconfig
 385 #
 386
 387 if test x"${no_tk}" = x ; then
 388   # we reset no_tk in case something fails here
 389   no_tk=true
 390   AC_ARG_WITH(tkconfig, [  --with-tkconfig           directory containing tk configuration (tkConfig.sh)],
 391          with_tkconfig=${withval})
 392   AC_MSG_CHECKING([for Tk configuration])
 393   AC_CACHE_VAL(ac_cv_c_tkconfig,[
 394
 395   # First check to see if --with-tkconfig was specified.
 396   if test x"${with_tkconfig}" != x ; then
 397     if test -f "${with_tkconfig}/tkConfig.sh" ; then
 398       ac_cv_c_tkconfig=`(cd ${with_tkconfig}; pwd)`
 399     else
 400       AC_MSG_ERROR([${with_tkconfig} directory doesn't contain tkConfig.sh])
 401     fi
 402   fi
 403
 404   # then check for a private Tk library
 405   if test x"${ac_cv_c_tkconfig}" = x ; then
 406     for i in \
 407                 ../tk \
 408                 `ls -dr ../tk[[4-9]]* 2>/dev/null` \
 409                 ../../tk \
 410                 `ls -dr ../../tk[[4-9]]* 2>/dev/null` \
 411                 ../../../tk \
 412                 `ls -dr ../../../tk[[4-9]]* 2>/dev/null` ; do
 413       if test -f "$i/${configdir}/tkConfig.sh" ; then
 414         ac_cv_c_tkconfig=`(cd $i/${configdir}; pwd)`
 415         break
 416       fi
 417     done
 418   fi
 419   # check in a few common install locations
 420   if test x"${ac_cv_c_tkconfig}" = x ; then
 421     for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
 422       if test -f "$i/tkConfig.sh" ; then
 423         ac_cv_c_tkconfig=`(cd $i; pwd)`
 424         break
 425       fi
 426     done
 427   fi
 428   # check in a few other private locations
 429   if test x"${ac_cv_c_tkconfig}" = x ; then
 430     for i in \
 431                 ${srcdir}/../tk \
 432                 `ls -dr ${srcdir}/../tk[[4-9]]* 2>/dev/null` ; do
 433       if test -f "$i/${configdir}/tkConfig.sh" ; then
 434         ac_cv_c_tkconfig=`(cd $i/${configdir}; pwd)`
 435         break
 436       fi
 437     done
 438   fi
 439   ])
 440   if test x"${ac_cv_c_tkconfig}" = x ; then
 441     TKCONFIG="# no Tk configs found"
 442     AC_MSG_WARN(Can't find Tk configuration definitions)
 443   else
 444     no_tk=
 445     TKCONFIG=${ac_cv_c_tkconfig}/tkConfig.sh
 446     AC_MSG_RESULT(found $TKCONFIG)
 447   fi
 448 fi
 449
 450 ])
 451
 452 # Defined as a separate macro so we don't have to cache the values
 453 # from PATH_TKCONFIG (because this can also be cached).
 454 AC_DEFUN(CY_AC_LOAD_TKCONFIG, [
 455     if test -f "$TKCONFIG" ; then
 456       . $TKCONFIG
 457     fi
 458
 459     AC_SUBST(TK_VERSION)
 460 dnl not actually used, don't export to save symbols
 461 dnl    AC_SUBST(TK_MAJOR_VERSION)
 462 dnl    AC_SUBST(TK_MINOR_VERSION)
 463     AC_SUBST(TK_DEFS)
 464
 465 dnl not used, don't export to save symbols
 466     dnl AC_SUBST(TK_LIB_FILE)
 467
 468 dnl not used outside of configure
 469 dnl    AC_SUBST(TK_LIBS)
 470 dnl not used, don't export to save symbols
 471 dnl    AC_SUBST(TK_PREFIX)
 472
 473 dnl not used, don't export to save symbols
 474 dnl    AC_SUBST(TK_EXEC_PREFIX)
 475
 476     AC_SUBST(TK_XINCLUDES)
 477     AC_SUBST(TK_XLIBSW)
 478     AC_SUBST(TK_BUILD_LIB_SPEC)
 479     AC_SUBST(TK_LIB_SPEC)
 480 ])
 481
 482
 483 # check for Itcl headers.
 484
 485 AC_DEFUN(CY_AC_PATH_ITCLH, [
 486 AC_MSG_CHECKING(for Itcl private headers. srcdir=${srcdir})
 487 if test x"${ac_cv_c_itclh}" = x ; then
 488   for i in ${srcdir}/../itcl ${srcdir}/../../itcl ${srcdir}/../../../itcl ; do
 489     if test -f $i/src/itcl.h ; then
 490       ac_cv_c_itclh=`(cd $i/src; pwd)`
 491       break
 492     fi
 493   done
 494 fi
 495 if test x"${ac_cv_c_itclh}" = x ; then
 496   ITCLHDIR="# no Itcl private headers found"
 497   AC_MSG_ERROR([Can't find Itcl private headers])
 498 fi
 499 if test x"${ac_cv_c_itclh}" != x ; then
 500      ITCLHDIR="-I${ac_cv_c_itclh}"
 501 fi
 502 # should always be here
 503      ITCLLIB="../itcl/src/libitcl.a"
 504 AC_SUBST(ITCLHDIR)
 505 AC_SUBST(ITCLLIB)
 506 ])
 507
 508 # check for Tix headers.
 509
 510 AC_DEFUN(CY_AC_PATH_TIX, [
 511 AC_MSG_CHECKING(for Tix private headers. srcdir=${srcdir})
 512 if test x"${ac_cv_c_tixh}" = x ; then
 513   for i in ${srcdir}/../tix ${srcdir}/../../tix ${srcdir}/../../../tix ; do
 514     if test -f $i/generic/tix.h ; then
 515       ac_cv_c_tixh=`(cd $i/generic; pwd)`
 516       break
 517     fi
 518   done
 519 fi
 520 if test x"${ac_cv_c_tixh}" = x ; then
 521   TIXHDIR="# no Tix private headers found"
 522   AC_MSG_ERROR([Can't find Tix private headers])
 523 fi
 524 if test x"${ac_cv_c_tixh}" != x ; then
 525      TIXHDIR="-I${ac_cv_c_tixh}"
 526 fi
 527 AC_SUBST(TIXHDIR)
 528 ])
 529