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                 AC_MSG_ERROR([Unknown platform: $BAKEFILE_FORCE_PLATFORM])
 130             ;;
 131         esac
 132     fi
 133
 134     AC_SUBST(PLATFORM_UNIX)
 135     AC_SUBST(PLATFORM_WIN32)
 136     AC_SUBST(PLATFORM_MSDOS)
 137     AC_SUBST(PLATFORM_MAC)
 138     AC_SUBST(PLATFORM_MACOS)
 139     AC_SUBST(PLATFORM_MACOSX)
 140     AC_SUBST(PLATFORM_OS2)
 141     AC_SUBST(PLATFORM_BEOS)
 142 ])
 143
 144
 145 dnl ---------------------------------------------------------------------------
 146 dnl AC_BAKEFILE_PLATFORM_SPECIFICS
 147 dnl
 148 dnl Sets misc platform-specific settings
 149 dnl ---------------------------------------------------------------------------
 150
 151 AC_DEFUN([AC_BAKEFILE_PLATFORM_SPECIFICS],
 152 [
 153     AC_ARG_ENABLE([omf], AS_HELP_STRING([--enable-omf],
 154                                         [use OMF object format (OS/2)]),
 155                   [bk_os2_use_omf="$enableval"])
 156
 157     case "${BAKEFILE_HOST}" in
 158       *-*-darwin* )
 159         dnl For Unix to MacOS X porting instructions, see:
 160         dnl http://fink.sourceforge.net/doc/porting/porting.html
 161         if test "x$GCC" = "xyes"; then
 162             CFLAGS="$CFLAGS -fno-common"
 163             CXXFLAGS="$CXXFLAGS -fno-common"
 164         fi
 165         if test "x$XLCC" = "xyes"; then
 166             CFLAGS="$CFLAGS -qnocommon"
 167             CXXFLAGS="$CXXFLAGS -qnocommon"
 168         fi
 169         ;;
 170
 171       *-pc-os2_emx | *-pc-os2-emx )
 172         if test "x$bk_os2_use_omf" = "xyes" ; then
 173             AR=emxomfar
 174             RANLIB=:
 175             LDFLAGS="-Zomf $LDFLAGS"
 176             CFLAGS="-Zomf $CFLAGS"
 177             CXXFLAGS="-Zomf $CXXFLAGS"
 178             OS2_LIBEXT="lib"
 179         else
 180             OS2_LIBEXT="a"
 181         fi
 182         ;;
 183
 184       i*86-*-beos* )
 185         LDFLAGS="-L/boot/develop/lib/x86 $LDFLAGS"
 186         ;;
 187     esac
 188 ])
 189
 190 dnl ---------------------------------------------------------------------------
 191 dnl AC_BAKEFILE_SUFFIXES
 192 dnl
 193 dnl Detects shared various suffixes for shared libraries, libraries, programs,
 194 dnl plugins etc.
 195 dnl ---------------------------------------------------------------------------
 196
 197 AC_DEFUN([AC_BAKEFILE_SUFFIXES],
 198 [
 199     SO_SUFFIX="so"
 200     SO_SUFFIX_MODULE="so"
 201     EXEEXT=""
 202     LIBPREFIX="lib"
 203     LIBEXT=".a"
 204     DLLPREFIX="lib"
 205     DLLPREFIX_MODULE=""
 206     DLLIMP_SUFFIX=""
 207     dlldir="$libdir"
 208
 209     case "${BAKEFILE_HOST}" in
 210         dnl PA-RISC HP systems used .sl but IA64 use ELF-64 and so use the
 211         dnl standard .so extension
 212         ia64-hp-hpux* )
 213         ;;
 214         *-hp-hpux* )
 215             SO_SUFFIX="sl"
 216             SO_SUFFIX_MODULE="sl"
 217         ;;
 218         *-*-aix* )
 219             dnl quoting from
 220             dnl http://www-1.ibm.com/servers/esdd/articles/gnu.html:
 221             dnl     Both archive libraries and shared libraries on AIX have an
 222             dnl     .a extension. This will explain why you can't link with an
 223             dnl     .so and why it works with the name changed to .a.
 224             SO_SUFFIX="a"
 225             SO_SUFFIX_MODULE="a"
 226         ;;
 227         *-*-cygwin* )
 228             SO_SUFFIX="dll"
 229             SO_SUFFIX_MODULE="dll"
 230             DLLIMP_SUFFIX="dll.a"
 231             EXEEXT=".exe"
 232             DLLPREFIX="cyg"
 233             dlldir="$bindir"
 234         ;;
 235         *-*-mingw32* )
 236             SO_SUFFIX="dll"
 237             SO_SUFFIX_MODULE="dll"
 238             DLLIMP_SUFFIX="dll.a"
 239             EXEEXT=".exe"
 240             DLLPREFIX=""
 241             dlldir="$bindir"
 242         ;;
 243         *-pc-msdosdjgpp )
 244             EXEEXT=".exe"
 245             DLLPREFIX=""
 246             dlldir="$bindir"
 247         ;;
 248         *-pc-os2_emx | *-pc-os2-emx )
 249             SO_SUFFIX="dll"
 250             SO_SUFFIX_MODULE="dll"
 251             DLLIMP_SUFFIX=$OS2_LIBEXT
 252             EXEEXT=".exe"
 253             DLLPREFIX=""
 254             LIBPREFIX=""
 255             LIBEXT=".$OS2_LIBEXT"
 256             dlldir="$bindir"
 257         ;;
 258         *-*-darwin* )
 259             SO_SUFFIX="dylib"
 260             SO_SUFFIX_MODULE="bundle"
 261         ;;
 262     esac
 263
 264     if test "x$DLLIMP_SUFFIX" = "x" ; then
 265         DLLIMP_SUFFIX="$SO_SUFFIX"
 266     fi
 267
 268     AC_SUBST(SO_SUFFIX)
 269     AC_SUBST(SO_SUFFIX_MODULE)
 270     AC_SUBST(DLLIMP_SUFFIX)
 271     AC_SUBST(EXEEXT)
 272     AC_SUBST(LIBPREFIX)
 273     AC_SUBST(LIBEXT)
 274     AC_SUBST(DLLPREFIX)
 275     AC_SUBST(DLLPREFIX_MODULE)
 276     AC_SUBST(dlldir)
 277 ])
 278
 279
 280 dnl ---------------------------------------------------------------------------
 281 dnl AC_BAKEFILE_SHARED_LD
 282 dnl
 283 dnl Detects command for making shared libraries, substitutes SHARED_LD_CC
 284 dnl and SHARED_LD_CXX.
 285 dnl ---------------------------------------------------------------------------
 286
 287 AC_DEFUN([AC_BAKEFILE_SHARED_LD],
 288 [
 289     dnl the extra compiler flags needed for compilation of shared library
 290     PIC_FLAG=""
 291     if test "x$GCC" = "xyes"; then
 292         dnl the switch for gcc is the same under all platforms
 293         PIC_FLAG="-fPIC"
 294     fi
 295
 296     dnl Defaults for GCC and ELF .so shared libs:
 297     SHARED_LD_CC="\$(CC) -shared ${PIC_FLAG} -o"
 298     SHARED_LD_CXX="\$(CXX) -shared ${PIC_FLAG} -o"
 299     WINDOWS_IMPLIB=0
 300
 301     case "${BAKEFILE_HOST}" in
 302       *-hp-hpux* )
 303         dnl default settings are good for gcc but not for the native HP-UX
 304         if test "x$GCC" != "xyes"; then
 305             dnl no idea why it wants it, but it does
 306             LDFLAGS="$LDFLAGS -L/usr/lib"
 307
 308             SHARED_LD_CC="${CC} -b -o"
 309             SHARED_LD_CXX="${CXX} -b -o"
 310             PIC_FLAG="+Z"
 311         fi
 312       ;;
 313
 314       *-*-linux* )
 315         dnl newer icc versions use -fPIC just as gcc does and, in fact, the
 316         dnl newest (v10+) ones don't even understand -KPIC any longer
 317         if test "$INTELCC" = "yes" -a "$INTELCC8" != "yes"; then
 318             PIC_FLAG="-KPIC"
 319         elif test "x$SUNCXX" = "xyes"; then
 320             SHARED_LD_CC="${CC} -G -o"
 321             SHARED_LD_CXX="${CXX} -G -o"
 322             PIC_FLAG="-KPIC"
 323         fi
 324       ;;
 325
 326       *-*-solaris2* )
 327         if test "x$SUNCXX" = xyes ; then
 328             SHARED_LD_CC="${CC} -G -o"
 329             SHARED_LD_CXX="${CXX} -G -o"
 330             PIC_FLAG="-KPIC"
 331         fi
 332       ;;
 333
 334       *-*-darwin* )
 335         AC_BAKEFILE_CREATE_FILE_SHARED_LD_SH
 336         chmod +x shared-ld-sh
 337
 338         SHARED_LD_MODULE_CC="`pwd`/shared-ld-sh -bundle -headerpad_max_install_names -o"
 339         SHARED_LD_MODULE_CXX="CXX=\"\$(CXX)\" $SHARED_LD_MODULE_CC"
 340
 341         dnl Most apps benefit from being fully binded (its faster and static
 342         dnl variables initialized at startup work).
 343         dnl This can be done either with the exe linker flag -Wl,-bind_at_load
 344         dnl or with a double stage link in order to create a single module
 345         dnl "-init _wxWindowsDylibInit" not useful with lazy linking solved
 346
 347         dnl If using newer dev tools then there is a -single_module flag that
 348         dnl we can use to do this for dylibs, otherwise we'll need to use a helper
 349         dnl script.  Check the version of gcc to see which way we can go:
 350         AC_CACHE_CHECK([for gcc 3.1 or later], bakefile_cv_gcc31, [
 351            AC_TRY_COMPILE([],
 352                [
 353                    #if (__GNUC__ < 3) || \
 354                        ((__GNUC__ == 3) && (__GNUC_MINOR__ < 1))
 355                        This is old gcc
 356                    #endif
 357                ],
 358                [
 359                    bakefile_cv_gcc31=yes
 360                ],
 361                [
 362                    bakefile_cv_gcc31=no
 363                ]
 364            )
 365         ])
 366         if test "$bakefile_cv_gcc31" = "no"; then
 367             dnl Use the shared-ld-sh helper script
 368             SHARED_LD_CC="`pwd`/shared-ld-sh -dynamiclib -headerpad_max_install_names -o"
 369             SHARED_LD_CXX="$SHARED_LD_CC"
 370         else
 371             dnl Use the -single_module flag and let the linker do it for us
 372             SHARED_LD_CC="\${CC} -dynamiclib -single_module -headerpad_max_install_names -o"
 373             SHARED_LD_CXX="\${CXX} -dynamiclib -single_module -headerpad_max_install_names -o"
 374         fi
 375
 376         if test "x$GCC" == "xyes"; then
 377             PIC_FLAG="-dynamic -fPIC"
 378         fi
 379         if test "x$XLCC" = "xyes"; then
 380             PIC_FLAG="-dynamic -DPIC"
 381         fi
 382       ;;
 383
 384       *-*-aix* )
 385         if test "x$GCC" = "xyes"; then
 386             dnl at least gcc 2.95 warns that -fPIC is ignored when
 387             dnl compiling each and every file under AIX which is annoying,
 388             dnl so don't use it there (it's useless as AIX runs on
 389             dnl position-independent architectures only anyhow)
 390             PIC_FLAG=""
 391
 392             dnl -bexpfull is needed by AIX linker to export all symbols (by
 393             dnl default it doesn't export any and even with -bexpall it
 394             dnl doesn't export all C++ support symbols, e.g. vtable
 395             dnl pointers) but it's only available starting from 5.1 (with
 396             dnl maintenance pack 2, whatever this is), see
 397             dnl http://www-128.ibm.com/developerworks/eserver/articles/gnu.html
 398             case "${BAKEFILE_HOST}" in
 399                 *-*-aix5* )
 400                     LD_EXPFULL="-Wl,-bexpfull"
 401                     ;;
 402             esac
 403
 404             SHARED_LD_CC="\$(CC) -shared $LD_EXPFULL -o"
 405             SHARED_LD_CXX="\$(CXX) -shared $LD_EXPFULL -o"
 406         else
 407             dnl FIXME: makeC++SharedLib is obsolete, what should we do for
 408             dnl        recent AIX versions?
 409             AC_CHECK_PROG(AIX_CXX_LD, makeC++SharedLib,
 410                           makeC++SharedLib, /usr/lpp/xlC/bin/makeC++SharedLib)
 411             SHARED_LD_CC="$AIX_CC_LD -p 0 -o"
 412             SHARED_LD_CXX="$AIX_CXX_LD -p 0 -o"
 413         fi
 414       ;;
 415
 416       *-*-beos* )
 417         dnl can't use gcc under BeOS for shared library creation because it
 418         dnl complains about missing 'main'
 419         SHARED_LD_CC="${LD} -nostart -o"
 420         SHARED_LD_CXX="${LD} -nostart -o"
 421       ;;
 422
 423       *-*-irix* )
 424         dnl default settings are ok for gcc
 425         if test "x$GCC" != "xyes"; then
 426             PIC_FLAG="-KPIC"
 427         fi
 428       ;;
 429
 430       *-*-cygwin* | *-*-mingw32* )
 431         PIC_FLAG=""
 432         SHARED_LD_CC="\$(CC) -shared -o"
 433         SHARED_LD_CXX="\$(CXX) -shared -o"
 434         WINDOWS_IMPLIB=1
 435       ;;
 436
 437       *-pc-os2_emx | *-pc-os2-emx )
 438         SHARED_LD_CC="`pwd`/dllar.sh -libf INITINSTANCE -libf TERMINSTANCE -o"
 439         SHARED_LD_CXX="`pwd`/dllar.sh -libf INITINSTANCE -libf TERMINSTANCE -o"
 440         PIC_FLAG=""
 441         AC_BAKEFILE_CREATE_FILE_DLLAR_SH
 442         chmod +x dllar.sh
 443       ;;
 444
 445       powerpc-apple-macos* | \
 446       *-*-freebsd* | *-*-openbsd* | *-*-netbsd* | *-*-k*bsd*-gnu | \
 447       *-*-mirbsd* | \
 448       *-*-sunos4* | \
 449       *-*-osf* | \
 450       *-*-dgux5* | \
 451       *-*-sysv5* | \
 452       *-pc-msdosdjgpp )
 453         dnl defaults are ok
 454       ;;
 455
 456       *)
 457         AC_MSG_ERROR(unknown system type $BAKEFILE_HOST.)
 458     esac
 459
 460     if test "x$PIC_FLAG" != "x" ; then
 461         PIC_FLAG="$PIC_FLAG -DPIC"
 462     fi
 463
 464     if test "x$SHARED_LD_MODULE_CC" = "x" ; then
 465         SHARED_LD_MODULE_CC="$SHARED_LD_CC"
 466     fi
 467     if test "x$SHARED_LD_MODULE_CXX" = "x" ; then
 468         SHARED_LD_MODULE_CXX="$SHARED_LD_CXX"
 469     fi
 470
 471     AC_SUBST(SHARED_LD_CC)
 472     AC_SUBST(SHARED_LD_CXX)
 473     AC_SUBST(SHARED_LD_MODULE_CC)
 474     AC_SUBST(SHARED_LD_MODULE_CXX)
 475     AC_SUBST(PIC_FLAG)
 476     AC_SUBST(WINDOWS_IMPLIB)
 477 ])
 478
 479
 480 dnl ---------------------------------------------------------------------------
 481 dnl AC_BAKEFILE_SHARED_VERSIONS
 482 dnl
 483 dnl Detects linker options for attaching versions (sonames) to shared  libs.
 484 dnl ---------------------------------------------------------------------------
 485
 486 AC_DEFUN([AC_BAKEFILE_SHARED_VERSIONS],
 487 [
 488     USE_SOVERSION=0
 489     USE_SOVERLINUX=0
 490     USE_SOVERSOLARIS=0
 491     USE_SOVERCYGWIN=0
 492     USE_SOTWOSYMLINKS=0
 493     USE_MACVERSION=0
 494     SONAME_FLAG=
 495
 496     case "${BAKEFILE_HOST}" in
 497       *-*-linux* | *-*-freebsd* | *-*-openbsd* | *-*-netbsd* | \
 498       *-*-k*bsd*-gnu | *-*-mirbsd* )
 499         if test "x$SUNCXX" = "xyes"; then
 500             SONAME_FLAG="-h "
 501         else
 502             SONAME_FLAG="-Wl,-soname,"
 503         fi
 504         USE_SOVERSION=1
 505         USE_SOVERLINUX=1
 506         USE_SOTWOSYMLINKS=1
 507       ;;
 508
 509       *-*-solaris2* )
 510         SONAME_FLAG="-h "
 511         USE_SOVERSION=1
 512         USE_SOVERSOLARIS=1
 513       ;;
 514
 515       *-*-darwin* )
 516         USE_MACVERSION=1
 517         USE_SOVERSION=1
 518         USE_SOTWOSYMLINKS=1
 519       ;;
 520
 521       *-*-cygwin* )
 522         USE_SOVERSION=1
 523         USE_SOVERCYGWIN=1
 524       ;;
 525     esac
 526
 527     AC_SUBST(USE_SOVERSION)
 528     AC_SUBST(USE_SOVERLINUX)
 529     AC_SUBST(USE_SOVERSOLARIS)
 530     AC_SUBST(USE_SOVERCYGWIN)
 531     AC_SUBST(USE_MACVERSION)
 532     AC_SUBST(USE_SOTWOSYMLINKS)
 533     AC_SUBST(SONAME_FLAG)
 534 ])
 535
 536
 537 dnl ---------------------------------------------------------------------------
 538 dnl AC_BAKEFILE_DEPS
 539 dnl
 540 dnl Detects available C/C++ dependency tracking options
 541 dnl ---------------------------------------------------------------------------
 542
 543 AC_DEFUN([AC_BAKEFILE_DEPS],
 544 [
 545     AC_ARG_ENABLE([dependency-tracking],
 546                   AS_HELP_STRING([--disable-dependency-tracking],
 547                                  [don't use dependency tracking even if the compiler can]),
 548                   [bk_use_trackdeps="$enableval"])
 549
 550     AC_MSG_CHECKING([for dependency tracking method])
 551
 552     BK_DEPS=""
 553     if test "x$bk_use_trackdeps" = "xno" ; then
 554         DEPS_TRACKING=0
 555         AC_MSG_RESULT([disabled])
 556     else
 557         DEPS_TRACKING=1
 558
 559         if test "x$GCC" = "xyes"; then
 560             DEPSMODE=gcc
 561             DEPSFLAG="-MMD"
 562             AC_MSG_RESULT([gcc])
 563         elif test "x$MWCC" = "xyes"; then
 564             DEPSMODE=mwcc
 565             DEPSFLAG="-MM"
 566             AC_MSG_RESULT([mwcc])
 567         elif test "x$SUNCC" = "xyes"; then
 568             DEPSMODE=unixcc
 569             DEPSFLAG="-xM1"
 570             AC_MSG_RESULT([Sun cc])
 571         elif test "x$SGICC" = "xyes"; then
 572             DEPSMODE=unixcc
 573             DEPSFLAG="-M"
 574             AC_MSG_RESULT([SGI cc])
 575         elif test "x$HPCC" = "xyes"; then
 576             DEPSMODE=unixcc
 577             DEPSFLAG="+make"
 578             AC_MSG_RESULT([HP cc])
 579         elif test "x$COMPAQCC" = "xyes"; then
 580             DEPSMODE=gcc
 581             DEPSFLAG="-MD"
 582             AC_MSG_RESULT([Compaq cc])
 583         else
 584             DEPS_TRACKING=0
 585             AC_MSG_RESULT([none])
 586         fi
 587
 588         if test $DEPS_TRACKING = 1 ; then
 589             AC_BAKEFILE_CREATE_FILE_BK_DEPS
 590             chmod +x bk-deps
 591             dnl FIXME: make this $(top_builddir)/bk-deps once autoconf-2.60
 592             dnl        is required (and so top_builddir is never empty):
 593             BK_DEPS="`pwd`/bk-deps"
 594         fi
 595     fi
 596
 597     AC_SUBST(DEPS_TRACKING)
 598     AC_SUBST(BK_DEPS)
 599 ])
 600
 601 dnl ---------------------------------------------------------------------------
 602 dnl AC_BAKEFILE_CHECK_BASIC_STUFF
 603 dnl
 604 dnl Checks for presence of basic programs, such as C and C++ compiler, "ranlib"
 605 dnl or "install"
 606 dnl ---------------------------------------------------------------------------
 607
 608 AC_DEFUN([AC_BAKEFILE_CHECK_BASIC_STUFF],
 609 [
 610     AC_PROG_RANLIB
 611     AC_PROG_INSTALL
 612     AC_PROG_LN_S
 613
 614     AC_PROG_MAKE_SET
 615     AC_SUBST(MAKE_SET)
 616
 617     if test "x$SUNCXX" = "xyes"; then
 618         dnl Sun C++ compiler requires special way of creating static libs;
 619         dnl see here for more details:
 620         dnl https://sourceforge.net/tracker/?func=detail&atid=109863&aid=1229751&group_id=9863
 621         AR=$CXX
 622         AROPTIONS="-xar -o"
 623         AC_SUBST(AR)
 624     elif test "x$SGICC" = "xyes"; then
 625         dnl Almost the same as above for SGI mipsPro compiler
 626         AR=$CXX
 627         AROPTIONS="-ar -o"
 628         AC_SUBST(AR)
 629     else
 630         AC_CHECK_TOOL(AR, ar, ar)
 631         AROPTIONS=rcu
 632     fi
 633     AC_SUBST(AROPTIONS)
 634
 635     AC_CHECK_TOOL(STRIP, strip, :)
 636     AC_CHECK_TOOL(NM, nm, :)
 637
 638     dnl Don't use `install -d`, see http://trac.wxwidgets.org/ticket/13452
 639     INSTALL_DIR="mkdir -p"
 640     AC_SUBST(INSTALL_DIR)
 641
 642     LDFLAGS_GUI=
 643     case ${BAKEFILE_HOST} in
 644         *-*-cygwin* | *-*-mingw32* )
 645         LDFLAGS_GUI="-mwindows"
 646     esac
 647     AC_SUBST(LDFLAGS_GUI)
 648 ])
 649
 650
 651 dnl ---------------------------------------------------------------------------
 652 dnl AC_BAKEFILE_RES_COMPILERS
 653 dnl
 654 dnl Checks for presence of resource compilers for win32 or mac
 655 dnl ---------------------------------------------------------------------------
 656
 657 AC_DEFUN([AC_BAKEFILE_RES_COMPILERS],
 658 [
 659     case ${BAKEFILE_HOST} in
 660         *-*-cygwin* | *-*-mingw32* )
 661             dnl Check for win32 resources compiler:
 662             AC_CHECK_TOOL(WINDRES, windres)
 663          ;;
 664
 665       *-*-darwin* | powerpc-apple-macos* )
 666             AC_CHECK_PROG(REZ, Rez, Rez, /Developer/Tools/Rez)
 667             AC_CHECK_PROG(SETFILE, SetFile, SetFile, /Developer/Tools/SetFile)
 668         ;;
 669     esac
 670
 671     AC_SUBST(WINDRES)
 672     AC_SUBST(REZ)
 673     AC_SUBST(SETFILE)
 674 ])
 675
 676 dnl ---------------------------------------------------------------------------
 677 dnl AC_BAKEFILE_PRECOMP_HEADERS
 678 dnl
 679 dnl Check for precompiled headers support (GCC >= 3.4)
 680 dnl ---------------------------------------------------------------------------
 681
 682 AC_DEFUN([AC_BAKEFILE_PRECOMP_HEADERS],
 683 [
 684
 685     AC_ARG_ENABLE([precomp-headers],
 686                   AS_HELP_STRING([--disable-precomp-headers],
 687                                  [don't use precompiled headers even if compiler can]),
 688                   [bk_use_pch="$enableval"])
 689
 690     GCC_PCH=0
 691     ICC_PCH=0
 692     USE_PCH=0
 693     BK_MAKE_PCH=""
 694
 695     case ${BAKEFILE_HOST} in
 696         *-*-cygwin* )
 697             dnl PCH support is broken in cygwin gcc because of unportable
 698             dnl assumptions about mmap() in gcc code which make PCH generation
 699             dnl fail erratically; disable PCH completely until this is fixed
 700             bk_use_pch="no"
 701             ;;
 702     esac
 703
 704     if test "x$bk_use_pch" = "x" -o "x$bk_use_pch" = "xyes" ; then
 705         if test "x$GCC" = "xyes"; then
 706             dnl test if we have gcc-3.4:
 707             AC_MSG_CHECKING([if the compiler supports precompiled headers])
 708             AC_TRY_COMPILE([],
 709                 [
 710                     #if !defined(__GNUC__) || !defined(__GNUC_MINOR__)
 711                         There is no PCH support
 712                     #endif
 713                     #if (__GNUC__ < 3)
 714                         There is no PCH support
 715                     #endif
 716                     #if (__GNUC__ == 3) && \
 717                        ((!defined(__APPLE_CC__) && (__GNUC_MINOR__ < 4)) || \
 718                        ( defined(__APPLE_CC__) && (__GNUC_MINOR__ < 3))) || \
 719                        ( defined(__INTEL_COMPILER) )
 720                         There is no PCH support
 721                     #endif
 722                 ],
 723                 [
 724                     AC_MSG_RESULT([yes])
 725                     GCC_PCH=1
 726                 ],
 727                 [
 728                     if test "$INTELCXX8" = "yes"; then
 729                         AC_MSG_RESULT([yes])
 730                         ICC_PCH=1
 731                         if test "$INTELCXX10" = "yes"; then
 732                             ICC_PCH_CREATE_SWITCH="-pch-create"
 733                             ICC_PCH_USE_SWITCH="-pch-use"
 734                         else
 735                             ICC_PCH_CREATE_SWITCH="-create-pch"
 736                             ICC_PCH_USE_SWITCH="-use-pch"
 737                         fi
 738                     else
 739                         AC_MSG_RESULT([no])
 740                     fi
 741                 ])
 742             if test $GCC_PCH = 1 -o $ICC_PCH = 1 ; then
 743                 USE_PCH=1
 744                 AC_BAKEFILE_CREATE_FILE_BK_MAKE_PCH
 745                 chmod +x bk-make-pch
 746                 dnl FIXME: make this $(top_builddir)/bk-make-pch once
 747                 dnl        autoconf-2.60 is required (and so top_builddir is
 748                 dnl        never empty):
 749                 BK_MAKE_PCH="`pwd`/bk-make-pch"
 750             fi
 751         fi
 752     fi
 753
 754     AC_SUBST(GCC_PCH)
 755     AC_SUBST(ICC_PCH)
 756     AC_SUBST(ICC_PCH_CREATE_SWITCH)
 757     AC_SUBST(ICC_PCH_USE_SWITCH)
 758     AC_SUBST(BK_MAKE_PCH)
 759 ])
 760
 761
 762
 763 dnl ---------------------------------------------------------------------------
 764 dnl AC_BAKEFILE([autoconf_inc.m4 inclusion])
 765 dnl
 766 dnl To be used in configure.in of any project using Bakefile-generated mks
 767 dnl
 768 dnl Behaviour can be modified by setting following variables:
 769 dnl    BAKEFILE_CHECK_BASICS    set to "no" if you don't want bakefile to
 770 dnl                             to perform check for basic tools like ranlib
 771 dnl    BAKEFILE_HOST            set this to override host detection, defaults
 772 dnl                             to ${host}
 773 dnl    BAKEFILE_FORCE_PLATFORM  set to override platform detection
 774 dnl
 775 dnl Example usage:
 776 dnl
 777 dnl   AC_BAKEFILE([FOO(autoconf_inc.m4)])
 778 dnl
 779 dnl (replace FOO with m4_include above, aclocal would die otherwise)
 780 dnl (yes, it's ugly, but thanks to a bug in aclocal, it's the only thing
 781 dnl we can do...)
 782 dnl ---------------------------------------------------------------------------
 783
 784 AC_DEFUN([AC_BAKEFILE],
 785 [
 786     AC_PREREQ([2.58])
 787
 788     dnl We need to always run C/C++ compiler tests, but it's also possible
 789     dnl for the user to call these macros manually, hence this instead of
 790     dnl simply calling these macros. See http://www.bakefile.org/ticket/64
 791     AC_REQUIRE([AC_BAKEFILE_PROG_CC])
 792     AC_REQUIRE([AC_BAKEFILE_PROG_CXX])
 793
 794     if test "x$BAKEFILE_HOST" = "x"; then
 795                if test "x${host}" = "x" ; then
 796                        AC_MSG_ERROR([You must call the autoconf "CANONICAL_HOST" macro in your configure.ac (or .in) file.])
 797                fi
 798
 799         BAKEFILE_HOST="${host}"
 800     fi
 801
 802     if test "x$BAKEFILE_CHECK_BASICS" != "xno"; then
 803         AC_BAKEFILE_CHECK_BASIC_STUFF
 804     fi
 805     AC_BAKEFILE_GNUMAKE
 806     AC_BAKEFILE_PLATFORM
 807     AC_BAKEFILE_PLATFORM_SPECIFICS
 808     AC_BAKEFILE_SUFFIXES
 809     AC_BAKEFILE_SHARED_LD
 810     AC_BAKEFILE_SHARED_VERSIONS
 811     AC_BAKEFILE_DEPS
 812     AC_BAKEFILE_RES_COMPILERS
 813
 814     dnl OBJCFLAGS is set by Autoconf, but OBJCXXFLAGS is not:
 815     AC_SUBST(OBJCXXFLAGS)
 816
 817
 818     BAKEFILE_BAKEFILE_M4_VERSION="0.2.9"
 819
 820     dnl includes autoconf_inc.m4:
 821     $1
 822
 823     if test "$BAKEFILE_AUTOCONF_INC_M4_VERSION" = "" ; then
 824         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)?])
 825     fi
 826
 827     if test "$BAKEFILE_BAKEFILE_M4_VERSION" != "$BAKEFILE_AUTOCONF_INC_M4_VERSION" ; then
 828         AC_MSG_ERROR([Versions of Bakefile used to generate makefiles ($BAKEFILE_AUTOCONF_INC_M4_VERSION) and configure ($BAKEFILE_BAKEFILE_M4_VERSION) do not match.])
 829     fi
 830 ])
 831
 832
 833 dnl ---------------------------------------------------------------------------
 834 dnl              Embedded copies of helper scripts follow:
 835 dnl ---------------------------------------------------------------------------
 836
 837 AC_DEFUN([AC_BAKEFILE_CREATE_FILE_BK_DEPS],
 838 [
 839 dnl ===================== bk-deps begins here =====================
 840 dnl    (Created by merge-scripts.py from bk-deps
 841 dnl     file do not edit here!)
 842 D='$'
 843 cat <<EOF >bk-deps
 844 #!/bin/sh
 845
 846 # This script is part of Bakefile (http://www.bakefile.org) autoconf
 847 # script. It is used to track C/C++ files dependencies in portable way.
 848 #
 849 # Permission is given to use this file in any way.
 850
 851 DEPSMODE=${DEPSMODE}
 852 DEPSFLAG="${DEPSFLAG}"
 853 DEPSDIRBASE=.deps
 854
 855 if test ${D}DEPSMODE = gcc ; then
 856     ${D}* ${D}{DEPSFLAG}
 857     status=${D}?
 858
 859     # determine location of created files:
 860     while test ${D}# -gt 0; do
 861         case "${D}1" in
 862             -o )
 863                 shift
 864                 objfile=${D}1
 865             ;;
 866             -* )
 867             ;;
 868             * )
 869                 srcfile=${D}1
 870             ;;
 871         esac
 872         shift
 873     done
 874     objfilebase=\`basename ${D}objfile\`
 875     builddir=\`dirname ${D}objfile\`
 876     depfile=\`basename ${D}srcfile | sed -e 's/\\..*${D}/.d/g'\`
 877     depobjname=\`echo ${D}depfile |sed -e 's/\\.d/.o/g'\`
 878     depsdir=${D}builddir/${D}DEPSDIRBASE
 879     mkdir -p ${D}depsdir
 880
 881     # if the compiler failed, we're done:
 882     if test ${D}{status} != 0 ; then
 883         rm -f ${D}depfile
 884         exit ${D}{status}
 885     fi
 886
 887     # move created file to the location we want it in:
 888     if test -f ${D}depfile ; then
 889         sed -e "s,${D}depobjname:,${D}objfile:,g" ${D}depfile >${D}{depsdir}/${D}{objfilebase}.d
 890         rm -f ${D}depfile
 891     else
 892         # "g++ -MMD -o fooobj.o foosrc.cpp" produces fooobj.d
 893         depfile=\`echo "${D}objfile" | sed -e 's/\\..*${D}/.d/g'\`
 894         if test ! -f ${D}depfile ; then
 895             # "cxx -MD -o fooobj.o foosrc.cpp" creates fooobj.o.d (Compaq C++)
 896             depfile="${D}objfile.d"
 897         fi
 898         if test -f ${D}depfile ; then
 899             sed -e "\\,^${D}objfile,!s,${D}depobjname:,${D}objfile:,g" ${D}depfile >${D}{depsdir}/${D}{objfilebase}.d
 900             rm -f ${D}depfile
 901         fi
 902     fi
 903     exit 0
 904
 905 elif test ${D}DEPSMODE = mwcc ; then
 906     ${D}* || exit ${D}?
 907     # Run mwcc again with -MM and redirect into the dep file we want
 908     # NOTE: We can't use shift here because we need ${D}* to be valid
 909     prevarg=
 910     for arg in ${D}* ; do
 911         if test "${D}prevarg" = "-o"; then
 912             objfile=${D}arg
 913         else
 914             case "${D}arg" in
 915                 -* )
 916                 ;;
 917                 * )
 918                     srcfile=${D}arg
 919                 ;;
 920             esac
 921         fi
 922         prevarg="${D}arg"
 923     done
 924
 925     objfilebase=\`basename ${D}objfile\`
 926     builddir=\`dirname ${D}objfile\`
 927     depsdir=${D}builddir/${D}DEPSDIRBASE
 928     mkdir -p ${D}depsdir
 929
 930     ${D}* ${D}DEPSFLAG >${D}{depsdir}/${D}{objfilebase}.d
 931     exit 0
 932
 933 elif test ${D}DEPSMODE = unixcc; then
 934     ${D}* || exit ${D}?
 935     # Run compiler again with deps flag and redirect into the dep file.
 936     # It doesn't work if the '-o FILE' option is used, but without it the
 937     # dependency file will contain the wrong name for the object. So it is
 938     # removed from the command line, and the dep file is fixed with sed.
 939     cmd=""
 940     while test ${D}# -gt 0; do
 941         case "${D}1" in
 942             -o )
 943                 shift
 944                 objfile=${D}1
 945             ;;
 946             * )
 947                 eval arg${D}#=\\${D}1
 948                 cmd="${D}cmd \\${D}arg${D}#"
 949             ;;
 950         esac
 951         shift
 952     done
 953
 954     objfilebase=\`basename ${D}objfile\`
 955     builddir=\`dirname ${D}objfile\`
 956     depsdir=${D}builddir/${D}DEPSDIRBASE
 957     mkdir -p ${D}depsdir
 958
 959     eval "${D}cmd ${D}DEPSFLAG" | sed "s|.*:|${D}objfile:|" >${D}{depsdir}/${D}{objfilebase}.d
 960     exit 0
 961
 962 else
 963     ${D}*
 964     exit ${D}?
 965 fi
 966 EOF
 967 dnl ===================== bk-deps ends here =====================
 968 ])
 969
 970 AC_DEFUN([AC_BAKEFILE_CREATE_FILE_SHARED_LD_SH],
 971 [
 972 dnl ===================== shared-ld-sh begins here =====================
 973 dnl    (Created by merge-scripts.py from shared-ld-sh
 974 dnl     file do not edit here!)
 975 D='$'
 976 cat <<EOF >shared-ld-sh
 977 #!/bin/sh
 978 #-----------------------------------------------------------------------------
 979 #-- Name:        distrib/mac/shared-ld-sh
 980 #-- Purpose:     Link a mach-o dynamic shared library for Darwin / Mac OS X
 981 #-- Author:      Gilles Depeyrot
 982 #-- Copyright:   (c) 2002 Gilles Depeyrot
 983 #-- Licence:     any use permitted
 984 #-----------------------------------------------------------------------------
 985
 986 verbose=0
 987 args=""
 988 objects=""
 989 linking_flag="-dynamiclib"
 990 ldargs="-r -keep_private_externs -nostdlib"
 991
 992 if test "x${D}CXX" = "x"; then
 993     CXX="c++"
 994 fi
 995
 996 while test ${D}# -gt 0; do
 997     case ${D}1 in
 998
 999        -v)
1000         verbose=1
1001         ;;
1002
1003        -o|-compatibility_version|-current_version|-framework|-undefined|-install_name)
1004         # collect these options and values
1005         args="${D}{args} ${D}1 ${D}2"
1006         shift
1007         ;;
1008
1009        -arch|-isysroot)
1010         # collect these options and values
1011         ldargs="${D}{ldargs} ${D}1 ${D}2"
1012         shift
1013         ;;
1014
1015        -s|-Wl,*)
1016         # collect these load args
1017         ldargs="${D}{ldargs} ${D}1"
1018         ;;
1019
1020        -l*|-L*|-flat_namespace|-headerpad_max_install_names)
1021         # collect these options
1022         args="${D}{args} ${D}1"
1023         ;;
1024
1025        -dynamiclib|-bundle)
1026         linking_flag="${D}1"
1027         ;;
1028
1029        -*)
1030         echo "shared-ld: unhandled option '${D}1'"
1031         exit 1
1032         ;;
1033
1034         *.o | *.a | *.dylib)
1035         # collect object files
1036         objects="${D}{objects} ${D}1"
1037         ;;
1038
1039         *)
1040         echo "shared-ld: unhandled argument '${D}1'"
1041         exit 1
1042         ;;
1043
1044     esac
1045     shift
1046 done
1047
1048 status=0
1049
1050 #
1051 # Link one module containing all the others
1052 #
1053 if test ${D}{verbose} = 1; then
1054     echo "${D}CXX ${D}{ldargs} ${D}{objects} -o master.${D}${D}.o"
1055 fi
1056 ${D}CXX ${D}{ldargs} ${D}{objects} -o master.${D}${D}.o
1057 status=${D}?
1058
1059 #
1060 # Link the shared library from the single module created, but only if the
1061 # previous command didn't fail:
1062 #
1063 if test ${D}{status} = 0; then
1064     if test ${D}{verbose} = 1; then
1065         echo "${D}CXX ${D}{linking_flag} master.${D}${D}.o ${D}{args}"
1066     fi
1067     ${D}CXX ${D}{linking_flag} master.${D}${D}.o ${D}{args}
1068     status=${D}?
1069 fi
1070
1071 #
1072 # Remove intermediate module
1073 #
1074 rm -f master.${D}${D}.o
1075
1076 exit ${D}status
1077 EOF
1078 dnl ===================== shared-ld-sh ends here =====================
1079 ])
1080
1081 AC_DEFUN([AC_BAKEFILE_CREATE_FILE_BK_MAKE_PCH],
1082 [
1083 dnl ===================== bk-make-pch begins here =====================
1084 dnl    (Created by merge-scripts.py from bk-make-pch
1085 dnl     file do not edit here!)
1086 D='$'
1087 cat <<EOF >bk-make-pch
1088 #!/bin/sh
1089
1090 # This script is part of Bakefile (http://www.bakefile.org) autoconf
1091 # script. It is used to generated precompiled headers.
1092 #
1093 # Permission is given to use this file in any way.
1094
1095 outfile="${D}{1}"
1096 header="${D}{2}"
1097 shift
1098 shift
1099
1100 builddir=\`echo ${D}outfile | sed -e 's,/\\.pch/.*${D},,g'\`
1101
1102 compiler=""
1103 headerfile=""
1104
1105 while test ${D}{#} -gt 0; do
1106     add_to_cmdline=1
1107     case "${D}{1}" in
1108         -I* )
1109             incdir=\`echo ${D}{1} | sed -e 's/-I\\(.*\\)/\\1/g'\`
1110             if test "x${D}{headerfile}" = "x" -a -f "${D}{incdir}/${D}{header}" ; then
1111                 headerfile="${D}{incdir}/${D}{header}"
1112             fi
1113         ;;
1114         -use-pch|-use_pch|-pch-use )
1115             shift
1116             add_to_cmdline=0
1117         ;;
1118     esac
1119     if test ${D}add_to_cmdline = 1 ; then
1120         compiler="${D}{compiler} ${D}{1}"
1121     fi
1122     shift
1123 done
1124
1125 if test "x${D}{headerfile}" = "x" ; then
1126     echo "error: can't find header ${D}{header} in include paths" >&2
1127 else
1128     if test -f ${D}{outfile} ; then
1129         rm -f ${D}{outfile}
1130     else
1131         mkdir -p \`dirname ${D}{outfile}\`
1132     fi
1133     depsfile="${D}{builddir}/.deps/\`echo ${D}{outfile} | tr '/.' '__'\`.d"
1134     mkdir -p ${D}{builddir}/.deps
1135     if test "x${GCC_PCH}" = "x1" ; then
1136         # can do this because gcc is >= 3.4:
1137         ${D}{compiler} -o ${D}{outfile} -MMD -MF "${D}{depsfile}" "${D}{headerfile}"
1138     elif test "x${ICC_PCH}" = "x1" ; then
1139         filename=pch_gen-${D}${D}
1140         file=${D}{filename}.c
1141         dfile=${D}{filename}.d
1142         cat > ${D}file <<EOT
1143 #include "${D}header"
1144 EOT
1145         # using -MF icc complains about differing command lines in creation/use
1146         ${D}compiler -c ${ICC_PCH_CREATE_SWITCH} ${D}outfile -MMD ${D}file && \\
1147           sed -e "s,^.*:,${D}outfile:," -e "s, ${D}file,," < ${D}dfile > ${D}depsfile && \\
1148           rm -f ${D}file ${D}dfile ${D}{filename}.o
1149     fi
1150     exit ${D}{?}
1151 fi
1152 EOF
1153 dnl ===================== bk-make-pch ends here =====================
1154 ])