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  $Id$
  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 "${BAKEFILE_HOST}" in
 211         *-hp-hpux* )
 212             SO_SUFFIX="sl"
 213             SO_SUFFIX_MODULE="sl"
 214         ;;
 215         *-*-aix* )
 216             dnl quoting from
 217             dnl http://www-1.ibm.com/servers/esdd/articles/gnu.html:
 218             dnl     Both archive libraries and shared libraries on AIX have an
 219             dnl     .a extension. This will explain why you can't link with an
 220             dnl     .so and why it works with the name changed to .a.
 221             SO_SUFFIX="a"
 222             SO_SUFFIX_MODULE="a"
 223         ;;
 224         *-*-cygwin* )
 225             SO_SUFFIX="dll"
 226             SO_SUFFIX_MODULE="dll"
 227             DLLIMP_SUFFIX="dll.a"
 228             EXEEXT=".exe"
 229             DLLPREFIX="cyg"
 230             dlldir="$bindir"
 231         ;;
 232         *-*-mingw32* )
 233             SO_SUFFIX="dll"
 234             SO_SUFFIX_MODULE="dll"
 235             DLLIMP_SUFFIX="dll.a"
 236             EXEEXT=".exe"
 237             DLLPREFIX=""
 238             dlldir="$bindir"
 239         ;;
 240         *-pc-msdosdjgpp )
 241             EXEEXT=".exe"
 242             DLLPREFIX=""
 243             dlldir="$bindir"
 244         ;;
 245         *-pc-os2_emx | *-pc-os2-emx )
 246             SO_SUFFIX="dll"
 247             SO_SUFFIX_MODULE="dll"
 248             DLLIMP_SUFFIX=$OS2_LIBEXT
 249             EXEEXT=".exe"
 250             DLLPREFIX=""
 251             LIBPREFIX=""
 252             LIBEXT=".$OS2_LIBEXT"
 253             dlldir="$bindir"
 254         ;;
 255         *-*-darwin* )
 256             SO_SUFFIX="dylib"
 257             SO_SUFFIX_MODULE="bundle"
 258         ;;
 259     esac
 260
 261     if test "x$DLLIMP_SUFFIX" = "x" ; then
 262         DLLIMP_SUFFIX="$SO_SUFFIX"
 263     fi
 264
 265     AC_SUBST(SO_SUFFIX)
 266     AC_SUBST(SO_SUFFIX_MODULE)
 267     AC_SUBST(DLLIMP_SUFFIX)
 268     AC_SUBST(EXEEXT)
 269     AC_SUBST(LIBPREFIX)
 270     AC_SUBST(LIBEXT)
 271     AC_SUBST(DLLPREFIX)
 272     AC_SUBST(DLLPREFIX_MODULE)
 273     AC_SUBST(dlldir)
 274 ])
 275
 276
 277 dnl ---------------------------------------------------------------------------
 278 dnl AC_BAKEFILE_SHARED_LD
 279 dnl
 280 dnl Detects command for making shared libraries, substitutes SHARED_LD_CC
 281 dnl and SHARED_LD_CXX.
 282 dnl ---------------------------------------------------------------------------
 283
 284 AC_DEFUN([AC_BAKEFILE_SHARED_LD],
 285 [
 286     dnl the extra compiler flags needed for compilation of shared library
 287     PIC_FLAG=""
 288     if test "x$GCC" = "xyes"; then
 289         dnl the switch for gcc is the same under all platforms
 290         PIC_FLAG="-fPIC"
 291     fi
 292
 293     dnl Defaults for GCC and ELF .so shared libs:
 294     SHARED_LD_CC="\$(CC) -shared ${PIC_FLAG} -o"
 295     SHARED_LD_CXX="\$(CXX) -shared ${PIC_FLAG} -o"
 296     WINDOWS_IMPLIB=0
 297
 298     case "${BAKEFILE_HOST}" in
 299       *-hp-hpux* )
 300         dnl default settings are good for gcc but not for the native HP-UX
 301         if test "x$GCC" != "xyes"; then
 302             dnl no idea why it wants it, but it does
 303             LDFLAGS="$LDFLAGS -L/usr/lib"
 304
 305             SHARED_LD_CC="${CC} -b -o"
 306             SHARED_LD_CXX="${CXX} -b -o"
 307             PIC_FLAG="+Z"
 308         fi
 309       ;;
 310
 311       *-*-linux* )
 312         if test "$INTELCC" = "yes"; then
 313             PIC_FLAG="-KPIC"
 314         elif test "x$SUNCXX" = "xyes"; then
 315             SHARED_LD_CC="${CC} -G -o"
 316             SHARED_LD_CXX="${CXX} -G -o"
 317             PIC_FLAG="-KPIC"
 318         fi
 319       ;;
 320
 321       *-*-solaris2* )
 322         if test "x$SUNCXX" = xyes ; then
 323             SHARED_LD_CC="${CC} -G -o"
 324             SHARED_LD_CXX="${CXX} -G -o"
 325             PIC_FLAG="-KPIC"
 326         fi
 327       ;;
 328
 329       *-*-darwin* )
 330         AC_BAKEFILE_CREATE_FILE_SHARED_LD_SH
 331         chmod +x shared-ld-sh
 332
 333         SHARED_LD_MODULE_CC="`pwd`/shared-ld-sh -bundle -headerpad_max_install_names -o"
 334         SHARED_LD_MODULE_CXX="CXX=\$(CXX) $SHARED_LD_MODULE_CC"
 335
 336         dnl Most apps benefit from being fully binded (its faster and static
 337         dnl variables initialized at startup work).
 338         dnl This can be done either with the exe linker flag -Wl,-bind_at_load
 339         dnl or with a double stage link in order to create a single module
 340         dnl "-init _wxWindowsDylibInit" not useful with lazy linking solved
 341
 342         dnl If using newer dev tools then there is a -single_module flag that
 343         dnl we can use to do this for dylibs, otherwise we'll need to use a helper
 344         dnl script.  Check the version of gcc to see which way we can go:
 345         AC_CACHE_CHECK([for gcc 3.1 or later], bakefile_cv_gcc31, [
 346            AC_TRY_COMPILE([],
 347                [
 348                    #if (__GNUC__ < 3) || \
 349                        ((__GNUC__ == 3) && (__GNUC_MINOR__ < 1))
 350                        This is old gcc
 351                    #endif
 352                ],
 353                [
 354                    bakefile_cv_gcc31=yes
 355                ],
 356                [
 357                    bakefile_cv_gcc31=no
 358                ]
 359            )
 360         ])
 361         if test "$bakefile_cv_gcc31" = "no"; then
 362             dnl Use the shared-ld-sh helper script
 363             SHARED_LD_CC="`pwd`/shared-ld-sh -dynamiclib -headerpad_max_install_names -o"
 364             SHARED_LD_CXX="$SHARED_LD_CC"
 365         else
 366             dnl Use the -single_module flag and let the linker do it for us
 367             SHARED_LD_CC="\${CC} -dynamiclib -single_module -headerpad_max_install_names -o"
 368             SHARED_LD_CXX="\${CXX} -dynamiclib -single_module -headerpad_max_install_names -o"
 369         fi
 370
 371         if test "x$GCC" == "xyes"; then
 372             PIC_FLAG="-dynamic -fPIC"
 373         fi
 374         if test "x$XLCC" = "xyes"; then
 375             PIC_FLAG="-dynamic -DPIC"
 376         fi
 377       ;;
 378
 379       *-*-aix* )
 380         if test "x$GCC" = "xyes"; then
 381             dnl at least gcc 2.95 warns that -fPIC is ignored when
 382             dnl compiling each and every file under AIX which is annoying,
 383             dnl so don't use it there (it's useless as AIX runs on
 384             dnl position-independent architectures only anyhow)
 385             PIC_FLAG=""
 386
 387             dnl -bexpfull is needed by AIX linker to export all symbols (by
 388             dnl default it doesn't export any and even with -bexpall it
 389             dnl doesn't export all C++ support symbols, e.g. vtable
 390             dnl pointers) but it's only available starting from 5.1 (with
 391             dnl maintenance pack 2, whatever this is), see
 392             dnl http://www-128.ibm.com/developerworks/eserver/articles/gnu.html
 393             case "${BAKEFILE_HOST}" in
 394                 *-*-aix5* )
 395                     LD_EXPFULL="-Wl,-bexpfull"
 396                     ;;
 397             esac
 398
 399             SHARED_LD_CC="\$(CC) -shared $LD_EXPFULL -o"
 400             SHARED_LD_CXX="\$(CXX) -shared $LD_EXPFULL -o"
 401         else
 402             dnl FIXME: makeC++SharedLib is obsolete, what should we do for
 403             dnl        recent AIX versions?
 404             AC_CHECK_PROG(AIX_CXX_LD, makeC++SharedLib,
 405                           makeC++SharedLib, /usr/lpp/xlC/bin/makeC++SharedLib)
 406             SHARED_LD_CC="$AIX_CC_LD -p 0 -o"
 407             SHARED_LD_CXX="$AIX_CXX_LD -p 0 -o"
 408         fi
 409       ;;
 410
 411       *-*-beos* )
 412         dnl can't use gcc under BeOS for shared library creation because it
 413         dnl complains about missing 'main'
 414         SHARED_LD_CC="${LD} -nostart -o"
 415         SHARED_LD_CXX="${LD} -nostart -o"
 416       ;;
 417
 418       *-*-irix* )
 419         dnl default settings are ok for gcc
 420         if test "x$GCC" != "xyes"; then
 421             PIC_FLAG="-KPIC"
 422         fi
 423       ;;
 424
 425       *-*-cygwin* | *-*-mingw32* )
 426         PIC_FLAG=""
 427         SHARED_LD_CC="\$(CC) -shared -o"
 428         SHARED_LD_CXX="\$(CXX) -shared -o"
 429         WINDOWS_IMPLIB=1
 430       ;;
 431
 432       *-pc-os2_emx | *-pc-os2-emx )
 433         SHARED_LD_CC="`pwd`/dllar.sh -libf INITINSTANCE -libf TERMINSTANCE -o"
 434         SHARED_LD_CXX="`pwd`/dllar.sh -libf INITINSTANCE -libf TERMINSTANCE -o"
 435         PIC_FLAG=""
 436         AC_BAKEFILE_CREATE_FILE_DLLAR_SH
 437         chmod +x dllar.sh
 438       ;;
 439
 440       powerpc-apple-macos* | \
 441       *-*-freebsd* | *-*-openbsd* | *-*-netbsd* | *-*-k*bsd*-gnu | \
 442       *-*-mirbsd* | \
 443       *-*-sunos4* | \
 444       *-*-osf* | \
 445       *-*-dgux5* | \
 446       *-*-sysv5* | \
 447       *-pc-msdosdjgpp )
 448         dnl defaults are ok
 449       ;;
 450
 451       *)
 452         AC_MSG_ERROR(unknown system type $BAKEFILE_HOST.)
 453     esac
 454
 455     if test "x$PIC_FLAG" != "x" ; then
 456         PIC_FLAG="$PIC_FLAG -DPIC"
 457     fi
 458
 459     if test "x$SHARED_LD_MODULE_CC" = "x" ; then
 460         SHARED_LD_MODULE_CC="$SHARED_LD_CC"
 461     fi
 462     if test "x$SHARED_LD_MODULE_CXX" = "x" ; then
 463         SHARED_LD_MODULE_CXX="$SHARED_LD_CXX"
 464     fi
 465
 466     AC_SUBST(SHARED_LD_CC)
 467     AC_SUBST(SHARED_LD_CXX)
 468     AC_SUBST(SHARED_LD_MODULE_CC)
 469     AC_SUBST(SHARED_LD_MODULE_CXX)
 470     AC_SUBST(PIC_FLAG)
 471     AC_SUBST(WINDOWS_IMPLIB)
 472 ])
 473
 474
 475 dnl ---------------------------------------------------------------------------
 476 dnl AC_BAKEFILE_SHARED_VERSIONS
 477 dnl
 478 dnl Detects linker options for attaching versions (sonames) to shared  libs.
 479 dnl ---------------------------------------------------------------------------
 480
 481 AC_DEFUN([AC_BAKEFILE_SHARED_VERSIONS],
 482 [
 483     USE_SOVERSION=0
 484     USE_SOVERLINUX=0
 485     USE_SOVERSOLARIS=0
 486     USE_SOVERCYGWIN=0
 487     USE_SOSYMLINKS=0
 488     USE_MACVERSION=0
 489     SONAME_FLAG=
 490
 491     case "${BAKEFILE_HOST}" in
 492       *-*-linux* | *-*-freebsd* | *-*-openbsd* | *-*-netbsd* | \
 493       *-*-k*bsd*-gnu | *-*-mirbsd* )
 494         if test "x$SUNCXX" = "xyes"; then
 495             SONAME_FLAG="-h "
 496         else
 497             SONAME_FLAG="-Wl,-soname,"
 498         fi
 499         USE_SOVERSION=1
 500         USE_SOVERLINUX=1
 501         USE_SOSYMLINKS=1
 502       ;;
 503
 504       *-*-solaris2* )
 505         SONAME_FLAG="-h "
 506         USE_SOVERSION=1
 507         USE_SOVERSOLARIS=1
 508         USE_SOSYMLINKS=1
 509       ;;
 510
 511       *-*-darwin* )
 512         USE_MACVERSION=1
 513         USE_SOVERSION=1
 514         USE_SOSYMLINKS=1
 515       ;;
 516
 517       *-*-cygwin* )
 518         USE_SOVERSION=1
 519         USE_SOVERCYGWIN=1
 520       ;;
 521     esac
 522
 523     AC_SUBST(USE_SOVERSION)
 524     AC_SUBST(USE_SOVERLINUX)
 525     AC_SUBST(USE_SOVERSOLARIS)
 526     AC_SUBST(USE_SOVERCYGWIN)
 527     AC_SUBST(USE_MACVERSION)
 528     AC_SUBST(USE_SOSYMLINKS)
 529     AC_SUBST(SONAME_FLAG)
 530 ])
 531
 532
 533 dnl ---------------------------------------------------------------------------
 534 dnl AC_BAKEFILE_DEPS
 535 dnl
 536 dnl Detects available C/C++ dependency tracking options
 537 dnl ---------------------------------------------------------------------------
 538
 539 AC_DEFUN([AC_BAKEFILE_DEPS],
 540 [
 541     AC_ARG_ENABLE([dependency-tracking],
 542                   AS_HELP_STRING([--disable-dependency-tracking],
 543                                  [don't use dependency tracking even if the compiler can]),
 544                   [bk_use_trackdeps="$enableval"])
 545
 546     AC_MSG_CHECKING([for dependency tracking method])
 547
 548     BK_DEPS=""
 549     if test "x$bk_use_trackdeps" = "xno" ; then
 550         DEPS_TRACKING=0
 551         AC_MSG_RESULT([disabled])
 552     else
 553         DEPS_TRACKING=1
 554
 555         if test "x$GCC" = "xyes"; then
 556             DEPSMODE=gcc
 557             case "${BAKEFILE_HOST}" in
 558                 *-*-darwin* )
 559                     dnl -cpp-precomp (the default) conflicts with -MMD option
 560                     dnl used by bk-deps (see also http://developer.apple.com/documentation/Darwin/Conceptual/PortingUnix/compiling/chapter_4_section_3.html)
 561                     DEPSFLAG="-no-cpp-precomp -MMD"
 562                 ;;
 563                 * )
 564                     DEPSFLAG="-MMD"
 565                 ;;
 566             esac
 567             AC_MSG_RESULT([gcc])
 568         elif test "x$MWCC" = "xyes"; then
 569             DEPSMODE=mwcc
 570             DEPSFLAG="-MM"
 571             AC_MSG_RESULT([mwcc])
 572         elif test "x$SUNCC" = "xyes"; then
 573             DEPSMODE=unixcc
 574             DEPSFLAG="-xM1"
 575             AC_MSG_RESULT([Sun cc])
 576         elif test "x$SGICC" = "xyes"; then
 577             DEPSMODE=unixcc
 578             DEPSFLAG="-M"
 579             AC_MSG_RESULT([SGI cc])
 580         elif test "x$HPCC" = "xyes"; then
 581             DEPSMODE=unixcc
 582             DEPSFLAG="+make"
 583             AC_MSG_RESULT([HP cc])
 584         elif test "x$COMPAQCC" = "xyes"; then
 585             DEPSMODE=gcc
 586             DEPSFLAG="-MD"
 587             AC_MSG_RESULT([Compaq cc])
 588         else
 589             DEPS_TRACKING=0
 590             AC_MSG_RESULT([none])
 591         fi
 592
 593         if test $DEPS_TRACKING = 1 ; then
 594             AC_BAKEFILE_CREATE_FILE_BK_DEPS
 595             chmod +x bk-deps
 596             dnl FIXME: make this $(top_builddir)/bk-deps once autoconf-2.60
 597             dnl        is required (and so top_builddir is never empty):
 598             BK_DEPS="`pwd`/bk-deps"
 599         fi
 600     fi
 601
 602     AC_SUBST(DEPS_TRACKING)
 603     AC_SUBST(BK_DEPS)
 604 ])
 605
 606 dnl ---------------------------------------------------------------------------
 607 dnl AC_BAKEFILE_CHECK_BASIC_STUFF
 608 dnl
 609 dnl Checks for presence of basic programs, such as C and C++ compiler, "ranlib"
 610 dnl or "install"
 611 dnl ---------------------------------------------------------------------------
 612
 613 AC_DEFUN([AC_BAKEFILE_CHECK_BASIC_STUFF],
 614 [
 615     AC_PROG_RANLIB
 616     AC_PROG_INSTALL
 617     AC_PROG_LN_S
 618
 619     AC_PROG_MAKE_SET
 620     AC_SUBST(MAKE_SET)
 621
 622     if test "x$SUNCXX" = "xyes"; then
 623         dnl Sun C++ compiler requires special way of creating static libs;
 624         dnl see here for more details:
 625         dnl https://sourceforge.net/tracker/?func=detail&atid=109863&aid=1229751&group_id=9863
 626         AR=$CXX
 627         AROPTIONS="-xar -o"
 628         AC_SUBST(AR)
 629     elif test "x$SGICC" = "xyes"; then
 630         dnl Almost the same as above for SGI mipsPro compiler
 631         AR=$CXX
 632         AROPTIONS="-ar -o"
 633         AC_SUBST(AR)
 634     else
 635         AC_CHECK_TOOL(AR, ar, ar)
 636         AROPTIONS=rcu
 637     fi
 638     AC_SUBST(AROPTIONS)
 639
 640     AC_CHECK_TOOL(STRIP, strip, :)
 641     AC_CHECK_TOOL(NM, nm, :)
 642
 643     dnl This check is necessary because "install -d" doesn't exist on
 644     dnl all platforms (e.g. HP/UX), see http://www.bakefile.org/ticket/80
 645     AC_MSG_CHECKING([for command to install directories])
 646     INSTALL_TEST_DIR=acbftest$$
 647     $INSTALL -d $INSTALL_TEST_DIR > /dev/null 2>&1
 648     if test $? = 0 -a -d $INSTALL_TEST_DIR; then
 649         rmdir $INSTALL_TEST_DIR
 650         dnl we must refer to makefile's $(INSTALL) variable and not
 651         dnl current value of shell variable, hence the single quoting:
 652         INSTALL_DIR='$(INSTALL) -d'
 653         AC_MSG_RESULT([$INSTALL -d])
 654     else
 655         INSTALL_DIR="mkdir -p"
 656         AC_MSG_RESULT([mkdir -p])
 657     fi
 658     AC_SUBST(INSTALL_DIR)
 659
 660     LDFLAGS_GUI=
 661     case ${BAKEFILE_HOST} in
 662         *-*-cygwin* | *-*-mingw32* )
 663         LDFLAGS_GUI="-mwindows"
 664     esac
 665     AC_SUBST(LDFLAGS_GUI)
 666 ])
 667
 668
 669 dnl ---------------------------------------------------------------------------
 670 dnl AC_BAKEFILE_RES_COMPILERS
 671 dnl
 672 dnl Checks for presence of resource compilers for win32 or mac
 673 dnl ---------------------------------------------------------------------------
 674
 675 AC_DEFUN([AC_BAKEFILE_RES_COMPILERS],
 676 [
 677     case ${BAKEFILE_HOST} in
 678         *-*-cygwin* | *-*-mingw32* )
 679             dnl Check for win32 resources compiler:
 680             AC_CHECK_TOOL(WINDRES, windres)
 681          ;;
 682
 683       *-*-darwin* | powerpc-apple-macos* )
 684             AC_CHECK_PROG(REZ, Rez, Rez, /Developer/Tools/Rez)
 685             AC_CHECK_PROG(SETFILE, SetFile, SetFile, /Developer/Tools/SetFile)
 686         ;;
 687     esac
 688
 689     AC_SUBST(WINDRES)
 690     AC_SUBST(REZ)
 691     AC_SUBST(SETFILE)
 692 ])
 693
 694 dnl ---------------------------------------------------------------------------
 695 dnl AC_BAKEFILE_PRECOMP_HEADERS
 696 dnl
 697 dnl Check for precompiled headers support (GCC >= 3.4)
 698 dnl ---------------------------------------------------------------------------
 699
 700 AC_DEFUN([AC_BAKEFILE_PRECOMP_HEADERS],
 701 [
 702
 703     AC_ARG_ENABLE([precomp-headers],
 704                   AS_HELP_STRING([--disable-precomp-headers],
 705                                  [don't use precompiled headers even if compiler can]),
 706                   [bk_use_pch="$enableval"])
 707
 708     GCC_PCH=0
 709     ICC_PCH=0
 710     USE_PCH=0
 711     BK_MAKE_PCH=""
 712
 713     case ${BAKEFILE_HOST} in
 714         *-*-cygwin* )
 715             dnl PCH support is broken in cygwin gcc because of unportable
 716             dnl assumptions about mmap() in gcc code which make PCH generation
 717             dnl fail erratically; disable PCH completely until this is fixed
 718             bk_use_pch="no"
 719             ;;
 720     esac
 721
 722     if test "x$bk_use_pch" = "x" -o "x$bk_use_pch" = "xyes" ; then
 723         if test "x$GCC" = "xyes"; then
 724             dnl test if we have gcc-3.4:
 725             AC_MSG_CHECKING([if the compiler supports precompiled headers])
 726             AC_TRY_COMPILE([],
 727                 [
 728                     #if !defined(__GNUC__) || !defined(__GNUC_MINOR__)
 729                         There is no PCH support
 730                     #endif
 731                     #if (__GNUC__ < 3)
 732                         There is no PCH support
 733                     #endif
 734                     #if (__GNUC__ == 3) && \
 735                        ((!defined(__APPLE_CC__) && (__GNUC_MINOR__ < 4)) || \
 736                        ( defined(__APPLE_CC__) && (__GNUC_MINOR__ < 3))) || \
 737                        ( defined(__INTEL_COMPILER) )
 738                         There is no PCH support
 739                     #endif
 740                 ],
 741                 [
 742                     AC_MSG_RESULT([yes])
 743                     GCC_PCH=1
 744                 ],
 745                 [
 746                     AC_TRY_COMPILE([],
 747                         [
 748                             #if !defined(__INTEL_COMPILER) || \
 749                                 (__INTEL_COMPILER < 800)
 750                                 There is no PCH support
 751                             #endif
 752                         ],
 753                         [
 754                             AC_MSG_RESULT([yes])
 755                             ICC_PCH=1
 756                         ],
 757                         [
 758                             AC_MSG_RESULT([no])
 759                         ])
 760                 ])
 761             if test $GCC_PCH = 1 -o $ICC_PCH = 1 ; then
 762                 USE_PCH=1
 763                 AC_BAKEFILE_CREATE_FILE_BK_MAKE_PCH
 764                 chmod +x bk-make-pch
 765                 dnl FIXME: make this $(top_builddir)/bk-make-pch once
 766                 dnl        autoconf-2.60 is required (and so top_builddir is
 767                 dnl        never empty):
 768                 BK_MAKE_PCH="`pwd`/bk-make-pch"
 769             fi
 770         fi
 771     fi
 772
 773     AC_SUBST(GCC_PCH)
 774     AC_SUBST(ICC_PCH)
 775     AC_SUBST(BK_MAKE_PCH)
 776 ])
 777
 778
 779
 780 dnl ---------------------------------------------------------------------------
 781 dnl AC_BAKEFILE([autoconf_inc.m4 inclusion])
 782 dnl
 783 dnl To be used in configure.in of any project using Bakefile-generated mks
 784 dnl
 785 dnl Behaviour can be modified by setting following variables:
 786 dnl    BAKEFILE_CHECK_BASICS    set to "no" if you don't want bakefile to
 787 dnl                             to perform check for basic tools like ranlib
 788 dnl    BAKEFILE_HOST            set this to override host detection, defaults
 789 dnl                             to ${host}
 790 dnl    BAKEFILE_FORCE_PLATFORM  set to override platform detection
 791 dnl
 792 dnl Example usage:
 793 dnl
 794 dnl   AC_BAKEFILE([FOO(autoconf_inc.m4)])
 795 dnl
 796 dnl (replace FOO with m4_include above, aclocal would die otherwise)
 797 dnl (yes, it's ugly, but thanks to a bug in aclocal, it's the only thing
 798 dnl we can do...)
 799 dnl ---------------------------------------------------------------------------
 800
 801 AC_DEFUN([AC_BAKEFILE],
 802 [
 803     AC_PREREQ([2.58])
 804
 805     dnl We need to always run C/C++ compiler tests, but it's also possible
 806     dnl for the user to call these macros manually, hence this instead of
 807     dnl simply calling these macros. See http://www.bakefile.org/ticket/64
 808     AC_REQUIRE([AC_BAKEFILE_PROG_CC])
 809     AC_REQUIRE([AC_BAKEFILE_PROG_CXX])
 810
 811     if test "x$BAKEFILE_HOST" = "x"; then
 812                if test "x${host}" = "x" ; then
 813                        AC_MSG_ERROR([You must call the autoconf "CANONICAL_HOST" macro in your configure.ac (or .in) file.])
 814                fi
 815
 816         BAKEFILE_HOST="${host}"
 817     fi
 818
 819     if test "x$BAKEFILE_CHECK_BASICS" != "xno"; then
 820         AC_BAKEFILE_CHECK_BASIC_STUFF
 821     fi
 822     AC_BAKEFILE_GNUMAKE
 823     AC_BAKEFILE_PLATFORM
 824     AC_BAKEFILE_PLATFORM_SPECIFICS
 825     AC_BAKEFILE_SUFFIXES
 826     AC_BAKEFILE_SHARED_LD
 827     AC_BAKEFILE_SHARED_VERSIONS
 828     AC_BAKEFILE_DEPS
 829     AC_BAKEFILE_RES_COMPILERS
 830
 831     dnl OBJCFLAGS is set by Autoconf, but OBJCXXFLAGS is not:
 832     AC_SUBST(OBJCXXFLAGS)
 833
 834
 835     BAKEFILE_BAKEFILE_M4_VERSION="0.2.4"
 836
 837     dnl includes autoconf_inc.m4:
 838     $1
 839
 840     if test "$BAKEFILE_AUTOCONF_INC_M4_VERSION" = "" ; then
 841         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)?])
 842     fi
 843
 844     if test "$BAKEFILE_BAKEFILE_M4_VERSION" != "$BAKEFILE_AUTOCONF_INC_M4_VERSION" ; then
 845         AC_MSG_ERROR([Versions of Bakefile used to generate makefiles ($BAKEFILE_AUTOCONF_INC_M4_VERSION) and configure ($BAKEFILE_BAKEFILE_M4_VERSION) do not match.])
 846     fi
 847 ])
 848
 849
 850 dnl ---------------------------------------------------------------------------
 851 dnl              Embedded copies of helper scripts follow:
 852 dnl ---------------------------------------------------------------------------
 853
 854 AC_DEFUN([AC_BAKEFILE_CREATE_FILE_BK_DEPS],
 855 [
 856 dnl ===================== bk-deps begins here =====================
 857 dnl    (Created by merge-scripts.py from bk-deps
 858 dnl     file do not edit here!)
 859 D='$'
 860 cat <<EOF >bk-deps
 861 #!/bin/sh
 862
 863 # This script is part of Bakefile (http://www.bakefile.org) autoconf
 864 # script. It is used to track C/C++ files dependencies in portable way.
 865 #
 866 # Permission is given to use this file in any way.
 867
 868 DEPSMODE=${DEPSMODE}
 869 DEPSFLAG="${DEPSFLAG}"
 870 DEPSDIRBASE=.deps
 871
 872 if test ${D}DEPSMODE = gcc ; then
 873     ${D}* ${D}{DEPSFLAG}
 874     status=${D}?
 875
 876     # determine location of created files:
 877     while test ${D}# -gt 0; do
 878         case "${D}1" in
 879             -o )
 880                 shift
 881                 objfile=${D}1
 882             ;;
 883             -* )
 884             ;;
 885             * )
 886                 srcfile=${D}1
 887             ;;
 888         esac
 889         shift
 890     done
 891     objfilebase=\`basename ${D}objfile\`
 892     builddir=\`dirname ${D}objfile\`
 893     depfile=\`basename ${D}srcfile | sed -e 's/\\..*${D}/.d/g'\`
 894     depobjname=\`echo ${D}depfile |sed -e 's/\\.d/.o/g'\`
 895     depsdir=${D}builddir/${D}DEPSDIRBASE
 896     mkdir -p ${D}depsdir
 897
 898     # if the compiler failed, we're done:
 899     if test ${D}{status} != 0 ; then
 900         rm -f ${D}depfile
 901         exit ${D}{status}
 902     fi
 903
 904     # move created file to the location we want it in:
 905     if test -f ${D}depfile ; then
 906         sed -e "s,${D}depobjname:,${D}objfile:,g" ${D}depfile >${D}{depsdir}/${D}{objfilebase}.d
 907         rm -f ${D}depfile
 908     else
 909         # "g++ -MMD -o fooobj.o foosrc.cpp" produces fooobj.d
 910         depfile=\`echo "${D}objfile" | sed -e 's/\\..*${D}/.d/g'\`
 911         if test ! -f ${D}depfile ; then
 912             # "cxx -MD -o fooobj.o foosrc.cpp" creates fooobj.o.d (Compaq C++)
 913             depfile="${D}objfile.d"
 914         fi
 915         if test -f ${D}depfile ; then
 916             sed -e "\\,^${D}objfile,!s,${D}depobjname:,${D}objfile:,g" ${D}depfile >${D}{depsdir}/${D}{objfilebase}.d
 917             rm -f ${D}depfile
 918         fi
 919     fi
 920     exit 0
 921
 922 elif test ${D}DEPSMODE = mwcc ; then
 923     ${D}* || exit ${D}?
 924     # Run mwcc again with -MM and redirect into the dep file we want
 925     # NOTE: We can't use shift here because we need ${D}* to be valid
 926     prevarg=
 927     for arg in ${D}* ; do
 928         if test "${D}prevarg" = "-o"; then
 929             objfile=${D}arg
 930         else
 931             case "${D}arg" in
 932                 -* )
 933                 ;;
 934                 * )
 935                     srcfile=${D}arg
 936                 ;;
 937             esac
 938         fi
 939         prevarg="${D}arg"
 940     done
 941
 942     objfilebase=\`basename ${D}objfile\`
 943     builddir=\`dirname ${D}objfile\`
 944     depsdir=${D}builddir/${D}DEPSDIRBASE
 945     mkdir -p ${D}depsdir
 946
 947     ${D}* ${D}DEPSFLAG >${D}{depsdir}/${D}{objfilebase}.d
 948     exit 0
 949
 950 elif test ${D}DEPSMODE = unixcc; then
 951     ${D}* || exit ${D}?
 952     # Run compiler again with deps flag and redirect into the dep file.
 953     # It doesn't work if the '-o FILE' option is used, but without it the
 954     # dependency file will contain the wrong name for the object. So it is
 955     # removed from the command line, and the dep file is fixed with sed.
 956     cmd=""
 957     while test ${D}# -gt 0; do
 958         case "${D}1" in
 959             -o )
 960                 shift
 961                 objfile=${D}1
 962             ;;
 963             * )
 964                 eval arg${D}#=\\${D}1
 965                 cmd="${D}cmd \\${D}arg${D}#"
 966             ;;
 967         esac
 968         shift
 969     done
 970
 971     objfilebase=\`basename ${D}objfile\`
 972     builddir=\`dirname ${D}objfile\`
 973     depsdir=${D}builddir/${D}DEPSDIRBASE
 974     mkdir -p ${D}depsdir
 975
 976     eval "${D}cmd ${D}DEPSFLAG" | sed "s|.*:|${D}objfile:|" >${D}{DEPSDIR}/${D}{objfilebase}.d
 977     exit 0
 978
 979 else
 980     ${D}*
 981     exit ${D}?
 982 fi
 983 EOF
 984 dnl ===================== bk-deps ends here =====================
 985 ])
 986
 987 AC_DEFUN([AC_BAKEFILE_CREATE_FILE_SHARED_LD_SH],
 988 [
 989 dnl ===================== shared-ld-sh begins here =====================
 990 dnl    (Created by merge-scripts.py from shared-ld-sh
 991 dnl     file do not edit here!)
 992 D='$'
 993 cat <<EOF >shared-ld-sh
 994 #!/bin/sh
 995 #-----------------------------------------------------------------------------
 996 #-- Name:        distrib/mac/shared-ld-sh
 997 #-- Purpose:     Link a mach-o dynamic shared library for Darwin / Mac OS X
 998 #-- Author:      Gilles Depeyrot
 999 #-- Copyright:   (c) 2002 Gilles Depeyrot
1000 #-- Licence:     any use permitted
1001 #-----------------------------------------------------------------------------
1002
1003 verbose=0
1004 args=""
1005 objects=""
1006 linking_flag="-dynamiclib"
1007 ldargs="-r -keep_private_externs -nostdlib"
1008
1009 if test "x${D}CXX" = "x"; then
1010     CXX="c++"
1011 fi
1012
1013 while test ${D}# -gt 0; do
1014     case ${D}1 in
1015
1016        -v)
1017         verbose=1
1018         ;;
1019
1020        -o|-compatibility_version|-current_version|-framework|-undefined|-install_name)
1021         # collect these options and values
1022         args="${D}{args} ${D}1 ${D}2"
1023         shift
1024         ;;
1025
1026        -arch|-isysroot)
1027         # collect these options and values
1028         ldargs="${D}{ldargs} ${D}1 ${D}2"
1029         shift
1030         ;;
1031
1032        -s|-Wl,*)
1033         # collect these load args
1034         ldargs="${D}{ldargs} ${D}1"
1035         ;;
1036
1037        -l*|-L*|-flat_namespace|-headerpad_max_install_names)
1038         # collect these options
1039         args="${D}{args} ${D}1"
1040         ;;
1041
1042        -dynamiclib|-bundle)
1043         linking_flag="${D}1"
1044         ;;
1045
1046        -*)
1047         echo "shared-ld: unhandled option '${D}1'"
1048         exit 1
1049         ;;
1050
1051         *.o | *.a | *.dylib)
1052         # collect object files
1053         objects="${D}{objects} ${D}1"
1054         ;;
1055
1056         *)
1057         echo "shared-ld: unhandled argument '${D}1'"
1058         exit 1
1059         ;;
1060
1061     esac
1062     shift
1063 done
1064
1065 status=0
1066
1067 #
1068 # Link one module containing all the others
1069 #
1070 if test ${D}{verbose} = 1; then
1071     echo "${D}CXX ${D}{ldargs} ${D}{objects} -o master.${D}${D}.o"
1072 fi
1073 ${D}CXX ${D}{ldargs} ${D}{objects} -o master.${D}${D}.o
1074 status=${D}?
1075
1076 #
1077 # Link the shared library from the single module created, but only if the
1078 # previous command didn't fail:
1079 #
1080 if test ${D}{status} = 0; then
1081     if test ${D}{verbose} = 1; then
1082         echo "${D}CXX ${D}{linking_flag} master.${D}${D}.o ${D}{args}"
1083     fi
1084     ${D}CXX ${D}{linking_flag} master.${D}${D}.o ${D}{args}
1085     status=${D}?
1086 fi
1087
1088 #
1089 # Remove intermediate module
1090 #
1091 rm -f master.${D}${D}.o
1092
1093 exit ${D}status
1094 EOF
1095 dnl ===================== shared-ld-sh ends here =====================
1096 ])
1097
1098 AC_DEFUN([AC_BAKEFILE_CREATE_FILE_BK_MAKE_PCH],
1099 [
1100 dnl ===================== bk-make-pch begins here =====================
1101 dnl    (Created by merge-scripts.py from bk-make-pch
1102 dnl     file do not edit here!)
1103 D='$'
1104 cat <<EOF >bk-make-pch
1105 #!/bin/sh
1106
1107 # This script is part of Bakefile (http://www.bakefile.org) autoconf
1108 # script. It is used to generated precompiled headers.
1109 #
1110 # Permission is given to use this file in any way.
1111
1112 outfile="${D}{1}"
1113 header="${D}{2}"
1114 shift
1115 shift
1116
1117 builddir=\`echo ${D}outfile | sed -e 's,/\\.pch/.*${D},,g'\`
1118
1119 compiler=""
1120 headerfile=""
1121
1122 while test ${D}{#} -gt 0; do
1123     add_to_cmdline=1
1124     case "${D}{1}" in
1125         -I* )
1126             incdir=\`echo ${D}{1} | sed -e 's/-I\\(.*\\)/\\1/g'\`
1127             if test "x${D}{headerfile}" = "x" -a -f "${D}{incdir}/${D}{header}" ; then
1128                 headerfile="${D}{incdir}/${D}{header}"
1129             fi
1130         ;;
1131         -use-pch|-use_pch )
1132             shift
1133             add_to_cmdline=0
1134         ;;
1135     esac
1136     if test ${D}add_to_cmdline = 1 ; then
1137         compiler="${D}{compiler} ${D}{1}"
1138     fi
1139     shift
1140 done
1141
1142 if test "x${D}{headerfile}" = "x" ; then
1143     echo "error: can't find header ${D}{header} in include paths" >&2
1144 else
1145     if test -f ${D}{outfile} ; then
1146         rm -f ${D}{outfile}
1147     else
1148         mkdir -p \`dirname ${D}{outfile}\`
1149     fi
1150     depsfile="${D}{builddir}/.deps/\`echo ${D}{outfile} | tr '/.' '__'\`.d"
1151     mkdir -p ${D}{builddir}/.deps
1152     if test "x${GCC_PCH}" = "x1" ; then
1153         # can do this because gcc is >= 3.4:
1154         ${D}{compiler} -o ${D}{outfile} -MMD -MF "${D}{depsfile}" "${D}{headerfile}"
1155     elif test "x${ICC_PCH}" = "x1" ; then
1156         filename=pch_gen-${D}${D}
1157         file=${D}{filename}.c
1158         dfile=${D}{filename}.d
1159         cat > ${D}file <<EOT
1160 #include "${D}header"
1161 EOT
1162         # using -MF icc complains about differing command lines in creation/use
1163         ${D}compiler -c -create_pch ${D}outfile -MMD ${D}file && \\
1164           sed -e "s,^.*:,${D}outfile:," -e "s, ${D}file,," < ${D}dfile > ${D}depsfile && \\
1165           rm -f ${D}file ${D}dfile ${D}{filename}.o
1166     fi
1167     exit ${D}{?}
1168 fi
1169 EOF
1170 dnl ===================== bk-make-pch ends here =====================
1171 ])