build/aclocal/bakefile.m4

   1 dnl
   2 dnl  This file is part of Bakefile (http://www.bakefile.org)
   3 dnl
   4 dnl  Copyright (C) 2003-2007 Vaclav Slavik and others
   5 dnl
   6 dnl  Permission is hereby granted, free of charge, to any person obtaining a
   7 dnl  copy of this software and associated documentation files (the "Software"),
   8 dnl  to deal in the Software without restriction, including without limitation
   9 dnl  the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 dnl  and/or sell copies of the Software, and to permit persons to whom the
  11 dnl  Software is furnished to do so, subject to the following conditions:
  12 dnl
  13 dnl  The above copyright notice and this permission notice shall be included in
  14 dnl  all copies or substantial portions of the Software.
  15 dnl
  16 dnl  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 dnl  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 dnl  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19 dnl  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 dnl  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21 dnl  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22 dnl  DEALINGS IN THE SOFTWARE.
  23 dnl
  24 dnl  $Id: bakefile.m4 1322 2009-10-21 07:37:18Z vaclavslavik $
  25 dnl
  26 dnl  Support macros for makefiles generated by BAKEFILE.
  27 dnl
  28
  29
  30 dnl ---------------------------------------------------------------------------
  31 dnl Lots of compiler & linker detection code contained here was taken from
  32 dnl wxWidgets configure.in script (see http://www.wxwidgets.org)
  33 dnl ---------------------------------------------------------------------------
  34
  35
  36
  37 dnl ---------------------------------------------------------------------------
  38 dnl AC_BAKEFILE_GNUMAKE
  39 dnl
  40 dnl Detects GNU make
  41 dnl ---------------------------------------------------------------------------
  42
  43 AC_DEFUN([AC_BAKEFILE_GNUMAKE],
  44 [
  45     dnl does make support "-include" (only GNU make does AFAIK)?
  46     AC_CACHE_CHECK([if make is GNU make], bakefile_cv_prog_makeisgnu,
  47     [
  48         if ( ${SHELL-sh} -c "${MAKE-make} --version" 2> /dev/null |
  49                 egrep -s GNU > /dev/null); then
  50             bakefile_cv_prog_makeisgnu="yes"
  51         else
  52             bakefile_cv_prog_makeisgnu="no"
  53         fi
  54     ])
  55
  56     if test "x$bakefile_cv_prog_makeisgnu" = "xyes"; then
  57         IF_GNU_MAKE=""
  58     else
  59         IF_GNU_MAKE="#"
  60     fi
  61     AC_SUBST(IF_GNU_MAKE)
  62 ])
  63
  64 dnl ---------------------------------------------------------------------------
  65 dnl AC_BAKEFILE_PLATFORM
  66 dnl
  67 dnl Detects platform and sets PLATFORM_XXX variables accordingly
  68 dnl ---------------------------------------------------------------------------
  69
  70 AC_DEFUN([AC_BAKEFILE_PLATFORM],
  71 [
  72     PLATFORM_UNIX=0
  73     PLATFORM_WIN32=0
  74     PLATFORM_MSDOS=0
  75     PLATFORM_MAC=0
  76     PLATFORM_MACOS=0
  77     PLATFORM_MACOSX=0
  78     PLATFORM_OS2=0
  79     PLATFORM_BEOS=0
  80
  81     if test "x$BAKEFILE_FORCE_PLATFORM" = "x"; then
  82         case "${BAKEFILE_HOST}" in
  83             *-*-mingw32* )
  84                 PLATFORM_WIN32=1
  85             ;;
  86             *-pc-msdosdjgpp )
  87                 PLATFORM_MSDOS=1
  88             ;;
  89             *-pc-os2_emx | *-pc-os2-emx )
  90                 PLATFORM_OS2=1
  91             ;;
  92             *-*-darwin* )
  93                 PLATFORM_MAC=1
  94                 PLATFORM_MACOSX=1
  95             ;;
  96             *-*-beos* )
  97                 PLATFORM_BEOS=1
  98             ;;
  99             powerpc-apple-macos* )
 100                 PLATFORM_MAC=1
 101                 PLATFORM_MACOS=1
 102             ;;
 103             * )
 104                 PLATFORM_UNIX=1
 105             ;;
 106         esac
 107     else
 108         case "$BAKEFILE_FORCE_PLATFORM" in
 109             win32 )
 110                 PLATFORM_WIN32=1
 111             ;;
 112             msdos )
 113                 PLATFORM_MSDOS=1
 114             ;;
 115             os2 )
 116                 PLATFORM_OS2=1
 117             ;;
 118             darwin )
 119                 PLATFORM_MAC=1
 120                 PLATFORM_MACOSX=1
 121             ;;
 122             unix )
 123                 PLATFORM_UNIX=1
 124             ;;
 125             beos )
 126                 PLATFORM_BEOS=1
 127             ;;
 128             * )
 129                 dnl wxWidgets-specific: allow unknown Unix systems
 130                 dnl AC_MSG_ERROR([Unknown platform: $BAKEFILE_FORCE_PLATFORM])
 131             ;;
 132         esac
 133     fi
 134
 135     AC_SUBST(PLATFORM_UNIX)
 136     AC_SUBST(PLATFORM_WIN32)
 137     AC_SUBST(PLATFORM_MSDOS)
 138     AC_SUBST(PLATFORM_MAC)
 139     AC_SUBST(PLATFORM_MACOS)
 140     AC_SUBST(PLATFORM_MACOSX)
 141     AC_SUBST(PLATFORM_OS2)
 142     AC_SUBST(PLATFORM_BEOS)
 143 ])
 144
 145
 146 dnl ---------------------------------------------------------------------------
 147 dnl AC_BAKEFILE_PLATFORM_SPECIFICS
 148 dnl
 149 dnl Sets misc platform-specific settings
 150 dnl ---------------------------------------------------------------------------
 151
 152 AC_DEFUN([AC_BAKEFILE_PLATFORM_SPECIFICS],
 153 [
 154     AC_ARG_ENABLE([omf], AS_HELP_STRING([--enable-omf],
 155                                         [use OMF object format (OS/2)]),
 156                   [bk_os2_use_omf="$enableval"])
 157
 158     case "${BAKEFILE_HOST}" in
 159       *-*-darwin* )
 160         dnl For Unix to MacOS X porting instructions, see:
 161         dnl http://fink.sourceforge.net/doc/porting/porting.html
 162         if test "x$GCC" = "xyes"; then
 163             CFLAGS="$CFLAGS -fno-common"
 164             CXXFLAGS="$CXXFLAGS -fno-common"
 165         fi
 166         if test "x$XLCC" = "xyes"; then
 167             CFLAGS="$CFLAGS -qnocommon"
 168             CXXFLAGS="$CXXFLAGS -qnocommon"
 169         fi
 170         ;;
 171
 172       *-pc-os2_emx | *-pc-os2-emx )
 173         if test "x$bk_os2_use_omf" = "xyes" ; then
 174             AR=emxomfar
 175             RANLIB=:
 176             LDFLAGS="-Zomf $LDFLAGS"
 177             CFLAGS="-Zomf $CFLAGS"
 178             CXXFLAGS="-Zomf $CXXFLAGS"
 179             OS2_LIBEXT="lib"
 180         else
 181             OS2_LIBEXT="a"
 182         fi
 183         ;;
 184
 185       i*86-*-beos* )
 186         LDFLAGS="-L/boot/develop/lib/x86 $LDFLAGS"
 187         ;;
 188     esac
 189 ])
 190
 191 dnl ---------------------------------------------------------------------------
 192 dnl AC_BAKEFILE_SUFFIXES
 193 dnl
 194 dnl Detects shared various suffixes for shared libraries, libraries, programs,
 195 dnl plugins etc.
 196 dnl ---------------------------------------------------------------------------
 197
 198 AC_DEFUN([AC_BAKEFILE_SUFFIXES],
 199 [
 200     SO_SUFFIX="so"
 201     SO_SUFFIX_MODULE="so"
 202     EXEEXT=""
 203     LIBPREFIX="lib"
 204     LIBEXT=".a"
 205     DLLPREFIX="lib"
 206     DLLPREFIX_MODULE=""
 207     DLLIMP_SUFFIX=""
 208     dlldir="$libdir"
 209
 210     case "${BAKEFILE_HOST}" in
 211         dnl PA-RISC HP systems used .sl but IA64 use ELF-64 and so use the
 212         dnl standard .so extension
 213         ia64-hp-hpux* )
 214         ;;
 215         *-hp-hpux* )
 216             SO_SUFFIX="sl"
 217             SO_SUFFIX_MODULE="sl"
 218         ;;
 219         *-*-aix* )
 220             dnl quoting from
 221             dnl http://www-1.ibm.com/servers/esdd/articles/gnu.html:
 222             dnl     Both archive libraries and shared libraries on AIX have an
 223             dnl     .a extension. This will explain why you can't link with an
 224             dnl     .so and why it works with the name changed to .a.
 225             SO_SUFFIX="a"
 226             SO_SUFFIX_MODULE="a"
 227         ;;
 228         *-*-cygwin* )
 229             SO_SUFFIX="dll"
 230             SO_SUFFIX_MODULE="dll"
 231             DLLIMP_SUFFIX="dll.a"
 232             EXEEXT=".exe"
 233             DLLPREFIX="cyg"
 234             dlldir="$bindir"
 235         ;;
 236         *-*-mingw32* )
 237             SO_SUFFIX="dll"
 238             SO_SUFFIX_MODULE="dll"
 239             DLLIMP_SUFFIX="dll.a"
 240             EXEEXT=".exe"
 241             DLLPREFIX=""
 242             dlldir="$bindir"
 243         ;;
 244         *-pc-msdosdjgpp )
 245             EXEEXT=".exe"
 246             DLLPREFIX=""
 247             dlldir="$bindir"
 248         ;;
 249         *-pc-os2_emx | *-pc-os2-emx )
 250             SO_SUFFIX="dll"
 251             SO_SUFFIX_MODULE="dll"
 252             DLLIMP_SUFFIX=$OS2_LIBEXT
 253             EXEEXT=".exe"
 254             DLLPREFIX=""
 255             LIBPREFIX=""
 256             LIBEXT=".$OS2_LIBEXT"
 257             dlldir="$bindir"
 258         ;;
 259         *-*-darwin* )
 260             SO_SUFFIX="dylib"
 261             SO_SUFFIX_MODULE="bundle"
 262         ;;
 263     esac
 264
 265     if test "x$DLLIMP_SUFFIX" = "x" ; then
 266         DLLIMP_SUFFIX="$SO_SUFFIX"
 267     fi
 268
 269     AC_SUBST(SO_SUFFIX)
 270     AC_SUBST(SO_SUFFIX_MODULE)
 271     AC_SUBST(DLLIMP_SUFFIX)
 272     AC_SUBST(EXEEXT)
 273     AC_SUBST(LIBPREFIX)
 274     AC_SUBST(LIBEXT)
 275     AC_SUBST(DLLPREFIX)
 276     AC_SUBST(DLLPREFIX_MODULE)
 277     AC_SUBST(dlldir)
 278 ])
 279
 280
 281 dnl ---------------------------------------------------------------------------
 282 dnl AC_BAKEFILE_SHARED_LD
 283 dnl
 284 dnl Detects command for making shared libraries, substitutes SHARED_LD_CC
 285 dnl and SHARED_LD_CXX.
 286 dnl ---------------------------------------------------------------------------
 287
 288 AC_DEFUN([AC_BAKEFILE_SHARED_LD],
 289 [
 290     dnl the extra compiler flags needed for compilation of shared library
 291     PIC_FLAG=""
 292     if test "x$GCC" = "xyes"; then
 293         dnl the switch for gcc is the same under all platforms
 294         PIC_FLAG="-fPIC"
 295     fi
 296
 297     dnl Defaults for GCC and ELF .so shared libs:
 298     SHARED_LD_CC="\$(CC) -shared ${PIC_FLAG} -o"
 299     SHARED_LD_CXX="\$(CXX) -shared ${PIC_FLAG} -o"
 300     WINDOWS_IMPLIB=0
 301
 302     case "${BAKEFILE_HOST}" in
 303       *-hp-hpux* )
 304         dnl default settings are good for gcc but not for the native HP-UX
 305         if test "x$GCC" != "xyes"; then
 306             dnl no idea why it wants it, but it does
 307             LDFLAGS="$LDFLAGS -L/usr/lib"
 308
 309             SHARED_LD_CC="${CC} -b -o"
 310             SHARED_LD_CXX="${CXX} -b -o"
 311             PIC_FLAG="+Z"
 312         fi
 313       ;;
 314
 315       *-*-linux* )
 316         dnl newer icc versions use -fPIC just as gcc does and, in fact, the
 317         dnl newest (v10+) ones don't even understand -KPIC any longer
 318         if test "$INTELCC" = "yes" -a "$INTELCC8" != "yes"; then
 319             PIC_FLAG="-KPIC"
 320         elif test "x$SUNCXX" = "xyes"; then
 321             SHARED_LD_CC="${CC} -G -o"
 322             SHARED_LD_CXX="${CXX} -G -o"
 323             PIC_FLAG="-KPIC"
 324         fi
 325       ;;
 326
 327       *-*-solaris2* )
 328         if test "x$SUNCXX" = xyes ; then
 329             SHARED_LD_CC="${CC} -G -o"
 330             SHARED_LD_CXX="${CXX} -G -o"
 331             PIC_FLAG="-KPIC"
 332         fi
 333       ;;
 334
 335       *-*-darwin* )
 336         AC_BAKEFILE_CREATE_FILE_SHARED_LD_SH
 337         chmod +x shared-ld-sh
 338
 339         SHARED_LD_MODULE_CC="`pwd`/shared-ld-sh -bundle -headerpad_max_install_names -o"
 340         SHARED_LD_MODULE_CXX="CXX=\"\$(CXX)\" $SHARED_LD_MODULE_CC"
 341
 342         dnl Most apps benefit from being fully binded (its faster and static
 343         dnl variables initialized at startup work).
 344         dnl This can be done either with the exe linker flag -Wl,-bind_at_load
 345         dnl or with a double stage link in order to create a single module
 346         dnl "-init _wxWindowsDylibInit" not useful with lazy linking solved
 347
 348         dnl If using newer dev tools then there is a -single_module flag that
 349         dnl we can use to do this for dylibs, otherwise we'll need to use a helper
 350         dnl script.  Check the version of gcc to see which way we can go:
 351         AC_CACHE_CHECK([for gcc 3.1 or later], bakefile_cv_gcc31, [
 352            AC_TRY_COMPILE([],
 353                [
 354                    #if (__GNUC__ < 3) || \
 355                        ((__GNUC__ == 3) && (__GNUC_MINOR__ < 1))
 356                        This is old gcc
 357                    #endif
 358                ],
 359                [
 360                    bakefile_cv_gcc31=yes
 361                ],
 362                [
 363                    bakefile_cv_gcc31=no
 364                ]
 365            )
 366         ])
 367         if test "$bakefile_cv_gcc31" = "no"; then
 368             dnl Use the shared-ld-sh helper script
 369             SHARED_LD_CC="`pwd`/shared-ld-sh -dynamiclib -headerpad_max_install_names -o"
 370             SHARED_LD_CXX="$SHARED_LD_CC"
 371         else
 372             dnl Use the -single_module flag and let the linker do it for us
 373             SHARED_LD_CC="\${CC} -dynamiclib -single_module -headerpad_max_install_names -o"
 374             SHARED_LD_CXX="\${CXX} -dynamiclib -single_module -headerpad_max_install_names -o"
 375         fi
 376
 377         if test "x$GCC" == "xyes"; then
 378             PIC_FLAG="-dynamic -fPIC"
 379         fi
 380         if test "x$XLCC" = "xyes"; then
 381             PIC_FLAG="-dynamic -DPIC"
 382         fi
 383       ;;
 384
 385       *-*-aix* )
 386         if test "x$GCC" = "xyes"; then
 387             dnl at least gcc 2.95 warns that -fPIC is ignored when
 388             dnl compiling each and every file under AIX which is annoying,
 389             dnl so don't use it there (it's useless as AIX runs on
 390             dnl position-independent architectures only anyhow)
 391             PIC_FLAG=""
 392
 393             dnl -bexpfull is needed by AIX linker to export all symbols (by
 394             dnl default it doesn't export any and even with -bexpall it
 395             dnl doesn't export all C++ support symbols, e.g. vtable
 396             dnl pointers) but it's only available starting from 5.1 (with
 397             dnl maintenance pack 2, whatever this is), see
 398             dnl http://www-128.ibm.com/developerworks/eserver/articles/gnu.html
 399             case "${BAKEFILE_HOST}" in
 400                 *-*-aix5* )
 401                     LD_EXPFULL="-Wl,-bexpfull"
 402                     ;;
 403             esac
 404
 405             SHARED_LD_CC="\$(CC) -shared $LD_EXPFULL -o"
 406             SHARED_LD_CXX="\$(CXX) -shared $LD_EXPFULL -o"
 407         else
 408             dnl FIXME: makeC++SharedLib is obsolete, what should we do for
 409             dnl        recent AIX versions?
 410             AC_CHECK_PROG(AIX_CXX_LD, makeC++SharedLib,
 411                           makeC++SharedLib, /usr/lpp/xlC/bin/makeC++SharedLib)
 412             SHARED_LD_CC="$AIX_CC_LD -p 0 -o"
 413             SHARED_LD_CXX="$AIX_CXX_LD -p 0 -o"
 414         fi
 415       ;;
 416
 417       *-*-beos* )
 418         dnl can't use gcc under BeOS for shared library creation because it
 419         dnl complains about missing 'main'
 420         SHARED_LD_CC="${LD} -nostart -o"
 421         SHARED_LD_CXX="${LD} -nostart -o"
 422       ;;
 423
 424       *-*-irix* )
 425         dnl default settings are ok for gcc
 426         if test "x$GCC" != "xyes"; then
 427             PIC_FLAG="-KPIC"
 428         fi
 429       ;;
 430
 431       *-*-cygwin* | *-*-mingw32* )
 432         PIC_FLAG=""
 433         SHARED_LD_CC="\$(CC) -shared -o"
 434         SHARED_LD_CXX="\$(CXX) -shared -o"
 435         WINDOWS_IMPLIB=1
 436       ;;
 437
 438       *-pc-os2_emx | *-pc-os2-emx )
 439         SHARED_LD_CC="`pwd`/dllar.sh -libf INITINSTANCE -libf TERMINSTANCE -o"
 440         SHARED_LD_CXX="`pwd`/dllar.sh -libf INITINSTANCE -libf TERMINSTANCE -o"
 441         PIC_FLAG=""
 442         AC_BAKEFILE_CREATE_FILE_DLLAR_SH
 443         chmod +x dllar.sh
 444       ;;
 445
 446       powerpc-apple-macos* | \
 447       *-*-freebsd* | *-*-openbsd* | *-*-netbsd* | *-*-k*bsd*-gnu | \
 448       *-*-mirbsd* | \
 449       *-*-sunos4* | \
 450       *-*-osf* | \
 451       *-*-dgux5* | \
 452       *-*-sysv5* | \
 453       *-pc-msdosdjgpp )
 454         dnl defaults are ok
 455       ;;
 456
 457       *)
 458         AC_MSG_ERROR(unknown system type $BAKEFILE_HOST.)
 459     esac
 460
 461     if test "x$PIC_FLAG" != "x" ; then
 462         PIC_FLAG="$PIC_FLAG -DPIC"
 463     fi
 464
 465     if test "x$SHARED_LD_MODULE_CC" = "x" ; then
 466         SHARED_LD_MODULE_CC="$SHARED_LD_CC"
 467     fi
 468     if test "x$SHARED_LD_MODULE_CXX" = "x" ; then
 469         SHARED_LD_MODULE_CXX="$SHARED_LD_CXX"
 470     fi
 471
 472     AC_SUBST(SHARED_LD_CC)
 473     AC_SUBST(SHARED_LD_CXX)
 474     AC_SUBST(SHARED_LD_MODULE_CC)
 475     AC_SUBST(SHARED_LD_MODULE_CXX)
 476     AC_SUBST(PIC_FLAG)
 477     AC_SUBST(WINDOWS_IMPLIB)
 478 ])
 479
 480
 481 dnl ---------------------------------------------------------------------------
 482 dnl AC_BAKEFILE_SHARED_VERSIONS
 483 dnl
 484 dnl Detects linker options for attaching versions (sonames) to shared  libs.
 485 dnl ---------------------------------------------------------------------------
 486
 487 AC_DEFUN([AC_BAKEFILE_SHARED_VERSIONS],
 488 [
 489     USE_SOVERSION=0
 490     USE_SOVERLINUX=0
 491     USE_SOVERSOLARIS=0
 492     USE_SOVERCYGWIN=0
 493     USE_SOTWOSYMLINKS=0
 494     USE_MACVERSION=0
 495     SONAME_FLAG=
 496
 497     case "${BAKEFILE_HOST}" in
 498       *-*-linux* | *-*-freebsd* | *-*-openbsd* | *-*-netbsd* | \
 499       *-*-k*bsd*-gnu | *-*-mirbsd* )
 500         if test "x$SUNCXX" = "xyes"; then
 501             SONAME_FLAG="-h "
 502         else
 503             SONAME_FLAG="-Wl,-soname,"
 504         fi
 505         USE_SOVERSION=1
 506         USE_SOVERLINUX=1
 507         USE_SOTWOSYMLINKS=1
 508       ;;
 509
 510       *-*-solaris2* )
 511         SONAME_FLAG="-h "
 512         USE_SOVERSION=1
 513         USE_SOVERSOLARIS=1
 514       ;;
 515
 516       *-*-darwin* )
 517         USE_MACVERSION=1
 518         USE_SOVERSION=1
 519         USE_SOTWOSYMLINKS=1
 520       ;;
 521
 522       *-*-cygwin* )
 523         USE_SOVERSION=1
 524         USE_SOVERCYGWIN=1
 525       ;;
 526     esac
 527
 528     AC_SUBST(USE_SOVERSION)
 529     AC_SUBST(USE_SOVERLINUX)
 530     AC_SUBST(USE_SOVERSOLARIS)
 531     AC_SUBST(USE_SOVERCYGWIN)
 532     AC_SUBST(USE_MACVERSION)
 533     AC_SUBST(USE_SOTWOSYMLINKS)
 534     AC_SUBST(SONAME_FLAG)
 535 ])
 536
 537
 538 dnl ---------------------------------------------------------------------------
 539 dnl AC_BAKEFILE_DEPS
 540 dnl
 541 dnl Detects available C/C++ dependency tracking options
 542 dnl ---------------------------------------------------------------------------
 543
 544 AC_DEFUN([AC_BAKEFILE_DEPS],
 545 [
 546     AC_ARG_ENABLE([dependency-tracking],
 547                   AS_HELP_STRING([--disable-dependency-tracking],
 548                                  [don't use dependency tracking even if the compiler can]),
 549                   [bk_use_trackdeps="$enableval"])
 550
 551     AC_MSG_CHECKING([for dependency tracking method])
 552
 553     BK_DEPS=""
 554     if test "x$bk_use_trackdeps" = "xno" ; then
 555         DEPS_TRACKING=0
 556         AC_MSG_RESULT([disabled])
 557     else
 558         DEPS_TRACKING=1
 559
 560         if test "x$GCC" = "xyes"; then
 561             DEPSMODE=gcc
 562             case "${BAKEFILE_HOST}" in
 563                 *-*-darwin* )
 564                     dnl -cpp-precomp (the default) conflicts with -MMD option
 565                     dnl used by bk-deps (see also http://developer.apple.com/documentation/Darwin/Conceptual/PortingUnix/compiling/chapter_4_section_3.html)
 566                     DEPSFLAG="-no-cpp-precomp -MMD"
 567                 ;;
 568                 * )
 569                     DEPSFLAG="-MMD"
 570                 ;;
 571             esac
 572             AC_MSG_RESULT([gcc])
 573         elif test "x$MWCC" = "xyes"; then
 574             DEPSMODE=mwcc
 575             DEPSFLAG="-MM"
 576             AC_MSG_RESULT([mwcc])
 577         elif test "x$SUNCC" = "xyes"; then
 578             DEPSMODE=unixcc
 579             DEPSFLAG="-xM1"
 580             AC_MSG_RESULT([Sun cc])
 581         elif test "x$SGICC" = "xyes"; then
 582             DEPSMODE=unixcc
 583             DEPSFLAG="-M"
 584             AC_MSG_RESULT([SGI cc])
 585         elif test "x$HPCC" = "xyes"; then
 586             DEPSMODE=unixcc
 587             DEPSFLAG="+make"
 588             AC_MSG_RESULT([HP cc])
 589         elif test "x$COMPAQCC" = "xyes"; then
 590             DEPSMODE=gcc
 591             DEPSFLAG="-MD"
 592             AC_MSG_RESULT([Compaq cc])
 593         else
 594             DEPS_TRACKING=0
 595             AC_MSG_RESULT([none])
 596         fi
 597
 598         if test $DEPS_TRACKING = 1 ; then
 599             AC_BAKEFILE_CREATE_FILE_BK_DEPS
 600             chmod +x bk-deps
 601             dnl FIXME: make this $(top_builddir)/bk-deps once autoconf-2.60
 602             dnl        is required (and so top_builddir is never empty):
 603             BK_DEPS="`pwd`/bk-deps"
 604         fi
 605     fi
 606
 607     AC_SUBST(DEPS_TRACKING)
 608     AC_SUBST(BK_DEPS)
 609 ])
 610
 611 dnl ---------------------------------------------------------------------------
 612 dnl AC_BAKEFILE_CHECK_BASIC_STUFF
 613 dnl
 614 dnl Checks for presence of basic programs, such as C and C++ compiler, "ranlib"
 615 dnl or "install"
 616 dnl ---------------------------------------------------------------------------
 617
 618 AC_DEFUN([AC_BAKEFILE_CHECK_BASIC_STUFF],
 619 [
 620     AC_PROG_RANLIB
 621     AC_PROG_INSTALL
 622     AC_PROG_LN_S
 623
 624     AC_PROG_MAKE_SET
 625     AC_SUBST(MAKE_SET)
 626
 627     if test "x$SUNCXX" = "xyes"; then
 628         dnl Sun C++ compiler requires special way of creating static libs;
 629         dnl see here for more details:
 630         dnl https://sourceforge.net/tracker/?func=detail&atid=109863&aid=1229751&group_id=9863
 631         AR=$CXX
 632         AROPTIONS="-xar -o"
 633         AC_SUBST(AR)
 634     elif test "x$SGICC" = "xyes"; then
 635         dnl Almost the same as above for SGI mipsPro compiler
 636         AR=$CXX
 637         AROPTIONS="-ar -o"
 638         AC_SUBST(AR)
 639     else
 640         AC_CHECK_TOOL(AR, ar, ar)
 641         AROPTIONS=rcu
 642     fi
 643     AC_SUBST(AROPTIONS)
 644
 645     AC_CHECK_TOOL(STRIP, strip, :)
 646     AC_CHECK_TOOL(NM, nm, :)
 647
 648     dnl This check is necessary because "install -d" doesn't exist on
 649     dnl all platforms (e.g. HP/UX), see http://www.bakefile.org/ticket/80
 650     AC_MSG_CHECKING([for command to install directories])
 651     INSTALL_TEST_DIR=acbftest$$
 652     $INSTALL -d $INSTALL_TEST_DIR > /dev/null 2>&1
 653     if test $? = 0 -a -d $INSTALL_TEST_DIR; then
 654         rmdir $INSTALL_TEST_DIR
 655         dnl we must refer to makefile's $(INSTALL) variable and not
 656         dnl current value of shell variable, hence the single quoting:
 657         INSTALL_DIR='$(INSTALL) -d'
 658         AC_MSG_RESULT([$INSTALL -d])
 659     else
 660         INSTALL_DIR="mkdir -p"
 661         AC_MSG_RESULT([mkdir -p])
 662     fi
 663     AC_SUBST(INSTALL_DIR)
 664
 665     LDFLAGS_GUI=
 666     case ${BAKEFILE_HOST} in
 667         *-*-cygwin* | *-*-mingw32* )
 668         LDFLAGS_GUI="-mwindows"
 669     esac
 670     AC_SUBST(LDFLAGS_GUI)
 671 ])
 672
 673
 674 dnl ---------------------------------------------------------------------------
 675 dnl AC_BAKEFILE_RES_COMPILERS
 676 dnl
 677 dnl Checks for presence of resource compilers for win32 or mac
 678 dnl ---------------------------------------------------------------------------
 679
 680 AC_DEFUN([AC_BAKEFILE_RES_COMPILERS],
 681 [
 682     case ${BAKEFILE_HOST} in
 683         *-*-cygwin* | *-*-mingw32* )
 684             dnl Check for win32 resources compiler:
 685             AC_CHECK_TOOL(WINDRES, windres)
 686          ;;
 687
 688       *-*-darwin* | powerpc-apple-macos* )
 689             AC_CHECK_PROG(REZ, Rez, Rez, /Developer/Tools/Rez)
 690             AC_CHECK_PROG(SETFILE, SetFile, SetFile, /Developer/Tools/SetFile)
 691         ;;
 692     esac
 693
 694     AC_SUBST(WINDRES)
 695     AC_SUBST(REZ)
 696     AC_SUBST(SETFILE)
 697 ])
 698
 699 dnl ---------------------------------------------------------------------------
 700 dnl AC_BAKEFILE_PRECOMP_HEADERS
 701 dnl
 702 dnl Check for precompiled headers support (GCC >= 3.4)
 703 dnl ---------------------------------------------------------------------------
 704
 705 AC_DEFUN([AC_BAKEFILE_PRECOMP_HEADERS],
 706 [
 707
 708     AC_ARG_ENABLE([precomp-headers],
 709                   AS_HELP_STRING([--disable-precomp-headers],
 710                                  [don't use precompiled headers even if compiler can]),
 711                   [bk_use_pch="$enableval"])
 712
 713     GCC_PCH=0
 714     ICC_PCH=0
 715     USE_PCH=0
 716     BK_MAKE_PCH=""
 717
 718     case ${BAKEFILE_HOST} in
 719         *-*-cygwin* )
 720             dnl PCH support is broken in cygwin gcc because of unportable
 721             dnl assumptions about mmap() in gcc code which make PCH generation
 722             dnl fail erratically; disable PCH completely until this is fixed
 723             bk_use_pch="no"
 724             ;;
 725     esac
 726
 727     if test "x$bk_use_pch" = "x" -o "x$bk_use_pch" = "xyes" ; then
 728         if test "x$GCC" = "xyes"; then
 729             dnl test if we have gcc-3.4:
 730             AC_MSG_CHECKING([if the compiler supports precompiled headers])
 731             AC_TRY_COMPILE([],
 732                 [
 733                     #if !defined(__GNUC__) || !defined(__GNUC_MINOR__)
 734                         There is no PCH support
 735                     #endif
 736                     #if (__GNUC__ < 3)
 737                         There is no PCH support
 738                     #endif
 739                     #if (__GNUC__ == 3) && \
 740                        ((!defined(__APPLE_CC__) && (__GNUC_MINOR__ < 4)) || \
 741                        ( defined(__APPLE_CC__) && (__GNUC_MINOR__ < 3))) || \
 742                        ( defined(__INTEL_COMPILER) )
 743                         There is no PCH support
 744                     #endif
 745                 ],
 746                 [
 747                     AC_MSG_RESULT([yes])
 748                     GCC_PCH=1
 749                 ],
 750                 [
 751                     if test "$INTELCXX8" = "yes"; then
 752                         AC_MSG_RESULT([yes])
 753                         ICC_PCH=1
 754                         if test "$INTELCXX10" = "yes"; then
 755                             ICC_PCH_CREATE_SWITCH="-pch-create"
 756                             ICC_PCH_USE_SWITCH="-pch-use"
 757                         else
 758                             ICC_PCH_CREATE_SWITCH="-create-pch"
 759                             ICC_PCH_USE_SWITCH="-use-pch"
 760                         fi
 761                     else
 762                         AC_MSG_RESULT([no])
 763                     fi
 764                 ])
 765             if test $GCC_PCH = 1 -o $ICC_PCH = 1 ; then
 766                 USE_PCH=1
 767                 AC_BAKEFILE_CREATE_FILE_BK_MAKE_PCH
 768                 chmod +x bk-make-pch
 769                 dnl FIXME: make this $(top_builddir)/bk-make-pch once
 770                 dnl        autoconf-2.60 is required (and so top_builddir is
 771                 dnl        never empty):
 772                 BK_MAKE_PCH="`pwd`/bk-make-pch"
 773             fi
 774         fi
 775     fi
 776
 777     AC_SUBST(GCC_PCH)
 778     AC_SUBST(ICC_PCH)
 779     AC_SUBST(ICC_PCH_CREATE_SWITCH)
 780     AC_SUBST(ICC_PCH_USE_SWITCH)
 781     AC_SUBST(BK_MAKE_PCH)
 782 ])
 783
 784
 785
 786 dnl ---------------------------------------------------------------------------
 787 dnl AC_BAKEFILE([autoconf_inc.m4 inclusion])
 788 dnl
 789 dnl To be used in configure.in of any project using Bakefile-generated mks
 790 dnl
 791 dnl Behaviour can be modified by setting following variables:
 792 dnl    BAKEFILE_CHECK_BASICS    set to "no" if you don't want bakefile to
 793 dnl                             to perform check for basic tools like ranlib
 794 dnl    BAKEFILE_HOST            set this to override host detection, defaults
 795 dnl                             to ${host}
 796 dnl    BAKEFILE_FORCE_PLATFORM  set to override platform detection
 797 dnl
 798 dnl Example usage:
 799 dnl
 800 dnl   AC_BAKEFILE([FOO(autoconf_inc.m4)])
 801 dnl
 802 dnl (replace FOO with m4_include above, aclocal would die otherwise)
 803 dnl (yes, it's ugly, but thanks to a bug in aclocal, it's the only thing
 804 dnl we can do...)
 805 dnl ---------------------------------------------------------------------------
 806
 807 AC_DEFUN([AC_BAKEFILE],
 808 [
 809     AC_PREREQ([2.58])
 810
 811     dnl We need to always run C/C++ compiler tests, but it's also possible
 812     dnl for the user to call these macros manually, hence this instead of
 813     dnl simply calling these macros. See http://www.bakefile.org/ticket/64
 814     AC_REQUIRE([AC_BAKEFILE_PROG_CC])
 815     AC_REQUIRE([AC_BAKEFILE_PROG_CXX])
 816
 817     if test "x$BAKEFILE_HOST" = "x"; then
 818                if test "x${host}" = "x" ; then
 819                        AC_MSG_ERROR([You must call the autoconf "CANONICAL_HOST" macro in your configure.ac (or .in) file.])
 820                fi
 821
 822         BAKEFILE_HOST="${host}"
 823     fi
 824
 825     if test "x$BAKEFILE_CHECK_BASICS" != "xno"; then
 826         AC_BAKEFILE_CHECK_BASIC_STUFF
 827     fi
 828     AC_BAKEFILE_GNUMAKE
 829     AC_BAKEFILE_PLATFORM
 830     AC_BAKEFILE_PLATFORM_SPECIFICS
 831     AC_BAKEFILE_SUFFIXES
 832     AC_BAKEFILE_SHARED_LD
 833     AC_BAKEFILE_SHARED_VERSIONS
 834     AC_BAKEFILE_DEPS
 835     AC_BAKEFILE_RES_COMPILERS
 836
 837     dnl OBJCFLAGS is set by Autoconf, but OBJCXXFLAGS is not:
 838     AC_SUBST(OBJCXXFLAGS)
 839
 840
 841     BAKEFILE_BAKEFILE_M4_VERSION="0.2.7"
 842
 843     dnl includes autoconf_inc.m4:
 844     $1
 845
 846     if test "$BAKEFILE_AUTOCONF_INC_M4_VERSION" = "" ; then
 847         AC_MSG_ERROR([No version found in autoconf_inc.m4 - bakefile macro was changed to take additional argument, perhaps configure.in wasn't updated (see the documentation)?])
 848     fi
 849
 850     if test "$BAKEFILE_BAKEFILE_M4_VERSION" != "$BAKEFILE_AUTOCONF_INC_M4_VERSION" ; then
 851         AC_MSG_ERROR([Versions of Bakefile used to generate makefiles ($BAKEFILE_AUTOCONF_INC_M4_VERSION) and configure ($BAKEFILE_BAKEFILE_M4_VERSION) do not match.])
 852     fi
 853 ])
 854
 855
 856 dnl ---------------------------------------------------------------------------
 857 dnl              Embedded copies of helper scripts follow:
 858 dnl ---------------------------------------------------------------------------
 859
 860 AC_DEFUN([AC_BAKEFILE_CREATE_FILE_BK_DEPS],
 861 [
 862 dnl ===================== bk-deps begins here =====================
 863 dnl    (Created by merge-scripts.py from bk-deps
 864 dnl     file do not edit here!)
 865 D='$'
 866 cat <<EOF >bk-deps
 867 #!/bin/sh
 868
 869 # This script is part of Bakefile (http://www.bakefile.org) autoconf
 870 # script. It is used to track C/C++ files dependencies in portable way.
 871 #
 872 # Permission is given to use this file in any way.
 873
 874 DEPSMODE=${DEPSMODE}
 875 DEPSFLAG="${DEPSFLAG}"
 876 DEPSDIRBASE=.deps
 877
 878 if test ${D}DEPSMODE = gcc ; then
 879     ${D}* ${D}{DEPSFLAG}
 880     status=${D}?
 881
 882     # determine location of created files:
 883     while test ${D}# -gt 0; do
 884         case "${D}1" in
 885             -o )
 886                 shift
 887                 objfile=${D}1
 888             ;;
 889             -* )
 890             ;;
 891             * )
 892                 srcfile=${D}1
 893             ;;
 894         esac
 895         shift
 896     done
 897     objfilebase=\`basename ${D}objfile\`
 898     builddir=\`dirname ${D}objfile\`
 899     depfile=\`basename ${D}srcfile | sed -e 's/\\..*${D}/.d/g'\`
 900     depobjname=\`echo ${D}depfile |sed -e 's/\\.d/.o/g'\`
 901     depsdir=${D}builddir/${D}DEPSDIRBASE
 902     mkdir -p ${D}depsdir
 903
 904     # if the compiler failed, we're done:
 905     if test ${D}{status} != 0 ; then
 906         rm -f ${D}depfile
 907         exit ${D}{status}
 908     fi
 909
 910     # move created file to the location we want it in:
 911     if test -f ${D}depfile ; then
 912         sed -e "s,${D}depobjname:,${D}objfile:,g" ${D}depfile >${D}{depsdir}/${D}{objfilebase}.d
 913         rm -f ${D}depfile
 914     else
 915         # "g++ -MMD -o fooobj.o foosrc.cpp" produces fooobj.d
 916         depfile=\`echo "${D}objfile" | sed -e 's/\\..*${D}/.d/g'\`
 917         if test ! -f ${D}depfile ; then
 918             # "cxx -MD -o fooobj.o foosrc.cpp" creates fooobj.o.d (Compaq C++)
 919             depfile="${D}objfile.d"
 920         fi
 921         if test -f ${D}depfile ; then
 922             sed -e "\\,^${D}objfile,!s,${D}depobjname:,${D}objfile:,g" ${D}depfile >${D}{depsdir}/${D}{objfilebase}.d
 923             rm -f ${D}depfile
 924         fi
 925     fi
 926     exit 0
 927
 928 elif test ${D}DEPSMODE = mwcc ; then
 929     ${D}* || exit ${D}?
 930     # Run mwcc again with -MM and redirect into the dep file we want
 931     # NOTE: We can't use shift here because we need ${D}* to be valid
 932     prevarg=
 933     for arg in ${D}* ; do
 934         if test "${D}prevarg" = "-o"; then
 935             objfile=${D}arg
 936         else
 937             case "${D}arg" in
 938                 -* )
 939                 ;;
 940                 * )
 941                     srcfile=${D}arg
 942                 ;;
 943             esac
 944         fi
 945         prevarg="${D}arg"
 946     done
 947
 948     objfilebase=\`basename ${D}objfile\`
 949     builddir=\`dirname ${D}objfile\`
 950     depsdir=${D}builddir/${D}DEPSDIRBASE
 951     mkdir -p ${D}depsdir
 952
 953     ${D}* ${D}DEPSFLAG >${D}{depsdir}/${D}{objfilebase}.d
 954     exit 0
 955
 956 elif test ${D}DEPSMODE = unixcc; then
 957     ${D}* || exit ${D}?
 958     # Run compiler again with deps flag and redirect into the dep file.
 959     # It doesn't work if the '-o FILE' option is used, but without it the
 960     # dependency file will contain the wrong name for the object. So it is
 961     # removed from the command line, and the dep file is fixed with sed.
 962     cmd=""
 963     while test ${D}# -gt 0; do
 964         case "${D}1" in
 965             -o )
 966                 shift
 967                 objfile=${D}1
 968             ;;
 969             * )
 970                 eval arg${D}#=\\${D}1
 971                 cmd="${D}cmd \\${D}arg${D}#"
 972             ;;
 973         esac
 974         shift
 975     done
 976
 977     objfilebase=\`basename ${D}objfile\`
 978     builddir=\`dirname ${D}objfile\`
 979     depsdir=${D}builddir/${D}DEPSDIRBASE
 980     mkdir -p ${D}depsdir
 981
 982     eval "${D}cmd ${D}DEPSFLAG" | sed "s|.*:|${D}objfile:|" >${D}{depsdir}/${D}{objfilebase}.d
 983     exit 0
 984
 985 else
 986     ${D}*
 987     exit ${D}?
 988 fi
 989 EOF
 990 dnl ===================== bk-deps ends here =====================
 991 ])
 992
 993 AC_DEFUN([AC_BAKEFILE_CREATE_FILE_SHARED_LD_SH],
 994 [
 995 dnl ===================== shared-ld-sh begins here =====================
 996 dnl    (Created by merge-scripts.py from shared-ld-sh
 997 dnl     file do not edit here!)
 998 D='$'
 999 cat <<EOF >shared-ld-sh
1000 #!/bin/sh
1001 #-----------------------------------------------------------------------------
1002 #-- Name:        distrib/mac/shared-ld-sh
1003 #-- Purpose:     Link a mach-o dynamic shared library for Darwin / Mac OS X
1004 #-- Author:      Gilles Depeyrot
1005 #-- Copyright:   (c) 2002 Gilles Depeyrot
1006 #-- Licence:     any use permitted
1007 #-----------------------------------------------------------------------------
1008
1009 verbose=0
1010 args=""
1011 objects=""
1012 linking_flag="-dynamiclib"
1013 ldargs="-r -keep_private_externs -nostdlib"
1014
1015 if test "x${D}CXX" = "x"; then
1016     CXX="c++"
1017 fi
1018
1019 while test ${D}# -gt 0; do
1020     case ${D}1 in
1021
1022        -v)
1023         verbose=1
1024         ;;
1025
1026        -o|-compatibility_version|-current_version|-framework|-undefined|-install_name)
1027         # collect these options and values
1028         args="${D}{args} ${D}1 ${D}2"
1029         shift
1030         ;;
1031
1032        -arch|-isysroot)
1033         # collect these options and values
1034         ldargs="${D}{ldargs} ${D}1 ${D}2"
1035         shift
1036         ;;
1037
1038        -s|-Wl,*)
1039         # collect these load args
1040         ldargs="${D}{ldargs} ${D}1"
1041         ;;
1042
1043        -l*|-L*|-flat_namespace|-headerpad_max_install_names)
1044         # collect these options
1045         args="${D}{args} ${D}1"
1046         ;;
1047
1048        -dynamiclib|-bundle)
1049         linking_flag="${D}1"
1050         ;;
1051
1052        -*)
1053         echo "shared-ld: unhandled option '${D}1'"
1054         exit 1
1055         ;;
1056
1057         *.o | *.a | *.dylib)
1058         # collect object files
1059         objects="${D}{objects} ${D}1"
1060         ;;
1061
1062         *)
1063         echo "shared-ld: unhandled argument '${D}1'"
1064         exit 1
1065         ;;
1066
1067     esac
1068     shift
1069 done
1070
1071 status=0
1072
1073 #
1074 # Link one module containing all the others
1075 #
1076 if test ${D}{verbose} = 1; then
1077     echo "${D}CXX ${D}{ldargs} ${D}{objects} -o master.${D}${D}.o"
1078 fi
1079 ${D}CXX ${D}{ldargs} ${D}{objects} -o master.${D}${D}.o
1080 status=${D}?
1081
1082 #
1083 # Link the shared library from the single module created, but only if the
1084 # previous command didn't fail:
1085 #
1086 if test ${D}{status} = 0; then
1087     if test ${D}{verbose} = 1; then
1088         echo "${D}CXX ${D}{linking_flag} master.${D}${D}.o ${D}{args}"
1089     fi
1090     ${D}CXX ${D}{linking_flag} master.${D}${D}.o ${D}{args}
1091     status=${D}?
1092 fi
1093
1094 #
1095 # Remove intermediate module
1096 #
1097 rm -f master.${D}${D}.o
1098
1099 exit ${D}status
1100 EOF
1101 dnl ===================== shared-ld-sh ends here =====================
1102 ])
1103
1104 AC_DEFUN([AC_BAKEFILE_CREATE_FILE_BK_MAKE_PCH],
1105 [
1106 dnl ===================== bk-make-pch begins here =====================
1107 dnl    (Created by merge-scripts.py from bk-make-pch
1108 dnl     file do not edit here!)
1109 D='$'
1110 cat <<EOF >bk-make-pch
1111 #!/bin/sh
1112
1113 # This script is part of Bakefile (http://www.bakefile.org) autoconf
1114 # script. It is used to generated precompiled headers.
1115 #
1116 # Permission is given to use this file in any way.
1117
1118 outfile="${D}{1}"
1119 header="${D}{2}"
1120 shift
1121 shift
1122
1123 builddir=\`echo ${D}outfile | sed -e 's,/\\.pch/.*${D},,g'\`
1124
1125 compiler=""
1126 headerfile=""
1127
1128 while test ${D}{#} -gt 0; do
1129     add_to_cmdline=1
1130     case "${D}{1}" in
1131         -I* )
1132             incdir=\`echo ${D}{1} | sed -e 's/-I\\(.*\\)/\\1/g'\`
1133             if test "x${D}{headerfile}" = "x" -a -f "${D}{incdir}/${D}{header}" ; then
1134                 headerfile="${D}{incdir}/${D}{header}"
1135             fi
1136         ;;
1137         -use-pch|-use_pch|-pch-use )
1138             shift
1139             add_to_cmdline=0
1140         ;;
1141     esac
1142     if test ${D}add_to_cmdline = 1 ; then
1143         compiler="${D}{compiler} ${D}{1}"
1144     fi
1145     shift
1146 done
1147
1148 if test "x${D}{headerfile}" = "x" ; then
1149     echo "error: can't find header ${D}{header} in include paths" >&2
1150 else
1151     if test -f ${D}{outfile} ; then
1152         rm -f ${D}{outfile}
1153     else
1154         mkdir -p \`dirname ${D}{outfile}\`
1155     fi
1156     depsfile="${D}{builddir}/.deps/\`echo ${D}{outfile} | tr '/.' '__'\`.d"
1157     mkdir -p ${D}{builddir}/.deps
1158     if test "x${GCC_PCH}" = "x1" ; then
1159         # can do this because gcc is >= 3.4:
1160         ${D}{compiler} -o ${D}{outfile} -MMD -MF "${D}{depsfile}" "${D}{headerfile}"
1161     elif test "x${ICC_PCH}" = "x1" ; then
1162         filename=pch_gen-${D}${D}
1163         file=${D}{filename}.c
1164         dfile=${D}{filename}.d
1165         cat > ${D}file <<EOT
1166 #include "${D}header"
1167 EOT
1168         # using -MF icc complains about differing command lines in creation/use
1169         ${D}compiler -c ${ICC_PCH_CREATE_SWITCH} ${D}outfile -MMD ${D}file && \\
1170           sed -e "s,^.*:,${D}outfile:," -e "s, ${D}file,," < ${D}dfile > ${D}depsfile && \\
1171           rm -f ${D}file ${D}dfile ${D}{filename}.o
1172     fi
1173     exit ${D}{?}
1174 fi
1175 EOF
1176 dnl ===================== bk-make-pch ends here =====================
1177 ])