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             case "${BAKEFILE_HOST}" in
 562                 *-*-darwin* )
 563                     dnl -cpp-precomp (the default) conflicts with -MMD option
 564                     dnl used by bk-deps (see also http://developer.apple.com/documentation/Darwin/Conceptual/PortingUnix/compiling/chapter_4_section_3.html)
 565                     DEPSFLAG="-no-cpp-precomp -MMD"
 566                 ;;
 567                 * )
 568                     DEPSFLAG="-MMD"
 569                 ;;
 570             esac
 571             AC_MSG_RESULT([gcc])
 572         elif test "x$MWCC" = "xyes"; then
 573             DEPSMODE=mwcc
 574             DEPSFLAG="-MM"
 575             AC_MSG_RESULT([mwcc])
 576         elif test "x$SUNCC" = "xyes"; then
 577             DEPSMODE=unixcc
 578             DEPSFLAG="-xM1"
 579             AC_MSG_RESULT([Sun cc])
 580         elif test "x$SGICC" = "xyes"; then
 581             DEPSMODE=unixcc
 582             DEPSFLAG="-M"
 583             AC_MSG_RESULT([SGI cc])
 584         elif test "x$HPCC" = "xyes"; then
 585             DEPSMODE=unixcc
 586             DEPSFLAG="+make"
 587             AC_MSG_RESULT([HP cc])
 588         elif test "x$COMPAQCC" = "xyes"; then
 589             DEPSMODE=gcc
 590             DEPSFLAG="-MD"
 591             AC_MSG_RESULT([Compaq cc])
 592         else
 593             DEPS_TRACKING=0
 594             AC_MSG_RESULT([none])
 595         fi
 596
 597         if test $DEPS_TRACKING = 1 ; then
 598             AC_BAKEFILE_CREATE_FILE_BK_DEPS
 599             chmod +x bk-deps
 600             dnl FIXME: make this $(top_builddir)/bk-deps once autoconf-2.60
 601             dnl        is required (and so top_builddir is never empty):
 602             BK_DEPS="`pwd`/bk-deps"
 603         fi
 604     fi
 605
 606     AC_SUBST(DEPS_TRACKING)
 607     AC_SUBST(BK_DEPS)
 608 ])
 609
 610 dnl ---------------------------------------------------------------------------
 611 dnl AC_BAKEFILE_CHECK_BASIC_STUFF
 612 dnl
 613 dnl Checks for presence of basic programs, such as C and C++ compiler, "ranlib"
 614 dnl or "install"
 615 dnl ---------------------------------------------------------------------------
 616
 617 AC_DEFUN([AC_BAKEFILE_CHECK_BASIC_STUFF],
 618 [
 619     AC_PROG_RANLIB
 620     AC_PROG_INSTALL
 621     AC_PROG_LN_S
 622
 623     AC_PROG_MAKE_SET
 624     AC_SUBST(MAKE_SET)
 625
 626     if test "x$SUNCXX" = "xyes"; then
 627         dnl Sun C++ compiler requires special way of creating static libs;
 628         dnl see here for more details:
 629         dnl https://sourceforge.net/tracker/?func=detail&atid=109863&aid=1229751&group_id=9863
 630         AR=$CXX
 631         AROPTIONS="-xar -o"
 632         AC_SUBST(AR)
 633     elif test "x$SGICC" = "xyes"; then
 634         dnl Almost the same as above for SGI mipsPro compiler
 635         AR=$CXX
 636         AROPTIONS="-ar -o"
 637         AC_SUBST(AR)
 638     else
 639         AC_CHECK_TOOL(AR, ar, ar)
 640         AROPTIONS=rcu
 641     fi
 642     AC_SUBST(AROPTIONS)
 643
 644     AC_CHECK_TOOL(STRIP, strip, :)
 645     AC_CHECK_TOOL(NM, nm, :)
 646
 647     dnl This check is necessary because "install -d" doesn't exist on
 648     dnl all platforms (e.g. HP/UX), see http://www.bakefile.org/ticket/80
 649     AC_MSG_CHECKING([for command to install directories])
 650     INSTALL_TEST_DIR=acbftest$$
 651     $INSTALL -d $INSTALL_TEST_DIR > /dev/null 2>&1
 652     if test $? = 0 -a -d $INSTALL_TEST_DIR; then
 653         rmdir $INSTALL_TEST_DIR
 654         dnl we must refer to makefile's $(INSTALL) variable and not
 655         dnl current value of shell variable, hence the single quoting:
 656         INSTALL_DIR='$(INSTALL) -d'
 657         AC_MSG_RESULT([$INSTALL -d])
 658     else
 659         INSTALL_DIR="mkdir -p"
 660         AC_MSG_RESULT([mkdir -p])
 661     fi
 662     AC_SUBST(INSTALL_DIR)
 663
 664     LDFLAGS_GUI=
 665     case ${BAKEFILE_HOST} in
 666         *-*-cygwin* | *-*-mingw32* )
 667         LDFLAGS_GUI="-mwindows"
 668     esac
 669     AC_SUBST(LDFLAGS_GUI)
 670 ])
 671
 672
 673 dnl ---------------------------------------------------------------------------
 674 dnl AC_BAKEFILE_RES_COMPILERS
 675 dnl
 676 dnl Checks for presence of resource compilers for win32 or mac
 677 dnl ---------------------------------------------------------------------------
 678
 679 AC_DEFUN([AC_BAKEFILE_RES_COMPILERS],
 680 [
 681     case ${BAKEFILE_HOST} in
 682         *-*-cygwin* | *-*-mingw32* )
 683             dnl Check for win32 resources compiler:
 684             AC_CHECK_TOOL(WINDRES, windres)
 685          ;;
 686
 687       *-*-darwin* | powerpc-apple-macos* )
 688             AC_CHECK_PROG(REZ, Rez, Rez, /Developer/Tools/Rez)
 689             AC_CHECK_PROG(SETFILE, SetFile, SetFile, /Developer/Tools/SetFile)
 690         ;;
 691     esac
 692
 693     AC_SUBST(WINDRES)
 694     AC_SUBST(REZ)
 695     AC_SUBST(SETFILE)
 696 ])
 697
 698 dnl ---------------------------------------------------------------------------
 699 dnl AC_BAKEFILE_PRECOMP_HEADERS
 700 dnl
 701 dnl Check for precompiled headers support (GCC >= 3.4)
 702 dnl ---------------------------------------------------------------------------
 703
 704 AC_DEFUN([AC_BAKEFILE_PRECOMP_HEADERS],
 705 [
 706
 707     AC_ARG_ENABLE([precomp-headers],
 708                   AS_HELP_STRING([--disable-precomp-headers],
 709                                  [don't use precompiled headers even if compiler can]),
 710                   [bk_use_pch="$enableval"])
 711
 712     GCC_PCH=0
 713     ICC_PCH=0
 714     USE_PCH=0
 715     BK_MAKE_PCH=""
 716
 717     case ${BAKEFILE_HOST} in
 718         *-*-cygwin* )
 719             dnl PCH support is broken in cygwin gcc because of unportable
 720             dnl assumptions about mmap() in gcc code which make PCH generation
 721             dnl fail erratically; disable PCH completely until this is fixed
 722             bk_use_pch="no"
 723             ;;
 724     esac
 725
 726     if test "x$bk_use_pch" = "x" -o "x$bk_use_pch" = "xyes" ; then
 727         if test "x$GCC" = "xyes"; then
 728             dnl test if we have gcc-3.4:
 729             AC_MSG_CHECKING([if the compiler supports precompiled headers])
 730             AC_TRY_COMPILE([],
 731                 [
 732                     #if !defined(__GNUC__) || !defined(__GNUC_MINOR__)
 733                         There is no PCH support
 734                     #endif
 735                     #if (__GNUC__ < 3)
 736                         There is no PCH support
 737                     #endif
 738                     #if (__GNUC__ == 3) && \
 739                        ((!defined(__APPLE_CC__) && (__GNUC_MINOR__ < 4)) || \
 740                        ( defined(__APPLE_CC__) && (__GNUC_MINOR__ < 3))) || \
 741                        ( defined(__INTEL_COMPILER) )
 742                         There is no PCH support
 743                     #endif
 744                 ],
 745                 [
 746                     AC_MSG_RESULT([yes])
 747                     GCC_PCH=1
 748                 ],
 749                 [
 750                     if test "$INTELCXX8" = "yes"; then
 751                         AC_MSG_RESULT([yes])
 752                         ICC_PCH=1
 753                         if test "$INTELCXX10" = "yes"; then
 754                             ICC_PCH_CREATE_SWITCH="-pch-create"
 755                             ICC_PCH_USE_SWITCH="-pch-use"
 756                         else
 757                             ICC_PCH_CREATE_SWITCH="-create-pch"
 758                             ICC_PCH_USE_SWITCH="-use-pch"
 759                         fi
 760                     else
 761                         AC_MSG_RESULT([no])
 762                     fi
 763                 ])
 764             if test $GCC_PCH = 1 -o $ICC_PCH = 1 ; then
 765                 USE_PCH=1
 766                 AC_BAKEFILE_CREATE_FILE_BK_MAKE_PCH
 767                 chmod +x bk-make-pch
 768                 dnl FIXME: make this $(top_builddir)/bk-make-pch once
 769                 dnl        autoconf-2.60 is required (and so top_builddir is
 770                 dnl        never empty):
 771                 BK_MAKE_PCH="`pwd`/bk-make-pch"
 772             fi
 773         fi
 774     fi
 775
 776     AC_SUBST(GCC_PCH)
 777     AC_SUBST(ICC_PCH)
 778     AC_SUBST(ICC_PCH_CREATE_SWITCH)
 779     AC_SUBST(ICC_PCH_USE_SWITCH)
 780     AC_SUBST(BK_MAKE_PCH)
 781 ])
 782
 783
 784
 785 dnl ---------------------------------------------------------------------------
 786 dnl AC_BAKEFILE([autoconf_inc.m4 inclusion])
 787 dnl
 788 dnl To be used in configure.in of any project using Bakefile-generated mks
 789 dnl
 790 dnl Behaviour can be modified by setting following variables:
 791 dnl    BAKEFILE_CHECK_BASICS    set to "no" if you don't want bakefile to
 792 dnl                             to perform check for basic tools like ranlib
 793 dnl    BAKEFILE_HOST            set this to override host detection, defaults
 794 dnl                             to ${host}
 795 dnl    BAKEFILE_FORCE_PLATFORM  set to override platform detection
 796 dnl
 797 dnl Example usage:
 798 dnl
 799 dnl   AC_BAKEFILE([FOO(autoconf_inc.m4)])
 800 dnl
 801 dnl (replace FOO with m4_include above, aclocal would die otherwise)
 802 dnl (yes, it's ugly, but thanks to a bug in aclocal, it's the only thing
 803 dnl we can do...)
 804 dnl ---------------------------------------------------------------------------
 805
 806 AC_DEFUN([AC_BAKEFILE],
 807 [
 808     AC_PREREQ([2.58])
 809
 810     dnl We need to always run C/C++ compiler tests, but it's also possible
 811     dnl for the user to call these macros manually, hence this instead of
 812     dnl simply calling these macros. See http://www.bakefile.org/ticket/64
 813     AC_REQUIRE([AC_BAKEFILE_PROG_CC])
 814     AC_REQUIRE([AC_BAKEFILE_PROG_CXX])
 815
 816     if test "x$BAKEFILE_HOST" = "x"; then
 817                if test "x${host}" = "x" ; then
 818                        AC_MSG_ERROR([You must call the autoconf "CANONICAL_HOST" macro in your configure.ac (or .in) file.])
 819                fi
 820
 821         BAKEFILE_HOST="${host}"
 822     fi
 823
 824     if test "x$BAKEFILE_CHECK_BASICS" != "xno"; then
 825         AC_BAKEFILE_CHECK_BASIC_STUFF
 826     fi
 827     AC_BAKEFILE_GNUMAKE
 828     AC_BAKEFILE_PLATFORM
 829     AC_BAKEFILE_PLATFORM_SPECIFICS
 830     AC_BAKEFILE_SUFFIXES
 831     AC_BAKEFILE_SHARED_LD
 832     AC_BAKEFILE_SHARED_VERSIONS
 833     AC_BAKEFILE_DEPS
 834     AC_BAKEFILE_RES_COMPILERS
 835
 836     dnl OBJCFLAGS is set by Autoconf, but OBJCXXFLAGS is not:
 837     AC_SUBST(OBJCXXFLAGS)
 838
 839
 840     BAKEFILE_BAKEFILE_M4_VERSION="0.2.8"
 841
 842     dnl includes autoconf_inc.m4:
 843     $1
 844
 845     if test "$BAKEFILE_AUTOCONF_INC_M4_VERSION" = "" ; then
 846         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)?])
 847     fi
 848
 849     if test "$BAKEFILE_BAKEFILE_M4_VERSION" != "$BAKEFILE_AUTOCONF_INC_M4_VERSION" ; then
 850         AC_MSG_ERROR([Versions of Bakefile used to generate makefiles ($BAKEFILE_AUTOCONF_INC_M4_VERSION) and configure ($BAKEFILE_BAKEFILE_M4_VERSION) do not match.])
 851     fi
 852 ])
 853
 854
 855 dnl ---------------------------------------------------------------------------
 856 dnl              Embedded copies of helper scripts follow:
 857 dnl ---------------------------------------------------------------------------
 858
 859 AC_DEFUN([AC_BAKEFILE_CREATE_FILE_BK_DEPS],
 860 [
 861 dnl ===================== bk-deps begins here =====================
 862 dnl    (Created by merge-scripts.py from bk-deps
 863 dnl     file do not edit here!)
 864 D='$'
 865 cat <<EOF >bk-deps
 866 #!/bin/sh
 867
 868 # This script is part of Bakefile (http://www.bakefile.org) autoconf
 869 # script. It is used to track C/C++ files dependencies in portable way.
 870 #
 871 # Permission is given to use this file in any way.
 872
 873 DEPSMODE=${DEPSMODE}
 874 DEPSFLAG="${DEPSFLAG}"
 875 DEPSDIRBASE=.deps
 876
 877 if test ${D}DEPSMODE = gcc ; then
 878     ${D}* ${D}{DEPSFLAG}
 879     status=${D}?
 880
 881     # determine location of created files:
 882     while test ${D}# -gt 0; do
 883         case "${D}1" in
 884             -o )
 885                 shift
 886                 objfile=${D}1
 887             ;;
 888             -* )
 889             ;;
 890             * )
 891                 srcfile=${D}1
 892             ;;
 893         esac
 894         shift
 895     done
 896     objfilebase=\`basename ${D}objfile\`
 897     builddir=\`dirname ${D}objfile\`
 898     depfile=\`basename ${D}srcfile | sed -e 's/\\..*${D}/.d/g'\`
 899     depobjname=\`echo ${D}depfile |sed -e 's/\\.d/.o/g'\`
 900     depsdir=${D}builddir/${D}DEPSDIRBASE
 901     mkdir -p ${D}depsdir
 902
 903     # if the compiler failed, we're done:
 904     if test ${D}{status} != 0 ; then
 905         rm -f ${D}depfile
 906         exit ${D}{status}
 907     fi
 908
 909     # move created file to the location we want it in:
 910     if test -f ${D}depfile ; then
 911         sed -e "s,${D}depobjname:,${D}objfile:,g" ${D}depfile >${D}{depsdir}/${D}{objfilebase}.d
 912         rm -f ${D}depfile
 913     else
 914         # "g++ -MMD -o fooobj.o foosrc.cpp" produces fooobj.d
 915         depfile=\`echo "${D}objfile" | sed -e 's/\\..*${D}/.d/g'\`
 916         if test ! -f ${D}depfile ; then
 917             # "cxx -MD -o fooobj.o foosrc.cpp" creates fooobj.o.d (Compaq C++)
 918             depfile="${D}objfile.d"
 919         fi
 920         if test -f ${D}depfile ; then
 921             sed -e "\\,^${D}objfile,!s,${D}depobjname:,${D}objfile:,g" ${D}depfile >${D}{depsdir}/${D}{objfilebase}.d
 922             rm -f ${D}depfile
 923         fi
 924     fi
 925     exit 0
 926
 927 elif test ${D}DEPSMODE = mwcc ; then
 928     ${D}* || exit ${D}?
 929     # Run mwcc again with -MM and redirect into the dep file we want
 930     # NOTE: We can't use shift here because we need ${D}* to be valid
 931     prevarg=
 932     for arg in ${D}* ; do
 933         if test "${D}prevarg" = "-o"; then
 934             objfile=${D}arg
 935         else
 936             case "${D}arg" in
 937                 -* )
 938                 ;;
 939                 * )
 940                     srcfile=${D}arg
 941                 ;;
 942             esac
 943         fi
 944         prevarg="${D}arg"
 945     done
 946
 947     objfilebase=\`basename ${D}objfile\`
 948     builddir=\`dirname ${D}objfile\`
 949     depsdir=${D}builddir/${D}DEPSDIRBASE
 950     mkdir -p ${D}depsdir
 951
 952     ${D}* ${D}DEPSFLAG >${D}{depsdir}/${D}{objfilebase}.d
 953     exit 0
 954
 955 elif test ${D}DEPSMODE = unixcc; then
 956     ${D}* || exit ${D}?
 957     # Run compiler again with deps flag and redirect into the dep file.
 958     # It doesn't work if the '-o FILE' option is used, but without it the
 959     # dependency file will contain the wrong name for the object. So it is
 960     # removed from the command line, and the dep file is fixed with sed.
 961     cmd=""
 962     while test ${D}# -gt 0; do
 963         case "${D}1" in
 964             -o )
 965                 shift
 966                 objfile=${D}1
 967             ;;
 968             * )
 969                 eval arg${D}#=\\${D}1
 970                 cmd="${D}cmd \\${D}arg${D}#"
 971             ;;
 972         esac
 973         shift
 974     done
 975
 976     objfilebase=\`basename ${D}objfile\`
 977     builddir=\`dirname ${D}objfile\`
 978     depsdir=${D}builddir/${D}DEPSDIRBASE
 979     mkdir -p ${D}depsdir
 980
 981     eval "${D}cmd ${D}DEPSFLAG" | sed "s|.*:|${D}objfile:|" >${D}{depsdir}/${D}{objfilebase}.d
 982     exit 0
 983
 984 else
 985     ${D}*
 986     exit ${D}?
 987 fi
 988 EOF
 989 dnl ===================== bk-deps ends here =====================
 990 ])
 991
 992 AC_DEFUN([AC_BAKEFILE_CREATE_FILE_SHARED_LD_SH],
 993 [
 994 dnl ===================== shared-ld-sh begins here =====================
 995 dnl    (Created by merge-scripts.py from shared-ld-sh
 996 dnl     file do not edit here!)
 997 D='$'
 998 cat <<EOF >shared-ld-sh
 999 #!/bin/sh
1000 #-----------------------------------------------------------------------------
1001 #-- Name:        distrib/mac/shared-ld-sh
1002 #-- Purpose:     Link a mach-o dynamic shared library for Darwin / Mac OS X
1003 #-- Author:      Gilles Depeyrot
1004 #-- Copyright:   (c) 2002 Gilles Depeyrot
1005 #-- Licence:     any use permitted
1006 #-----------------------------------------------------------------------------
1007
1008 verbose=0
1009 args=""
1010 objects=""
1011 linking_flag="-dynamiclib"
1012 ldargs="-r -keep_private_externs -nostdlib"
1013
1014 if test "x${D}CXX" = "x"; then
1015     CXX="c++"
1016 fi
1017
1018 while test ${D}# -gt 0; do
1019     case ${D}1 in
1020
1021        -v)
1022         verbose=1
1023         ;;
1024
1025        -o|-compatibility_version|-current_version|-framework|-undefined|-install_name)
1026         # collect these options and values
1027         args="${D}{args} ${D}1 ${D}2"
1028         shift
1029         ;;
1030
1031        -arch|-isysroot)
1032         # collect these options and values
1033         ldargs="${D}{ldargs} ${D}1 ${D}2"
1034         shift
1035         ;;
1036
1037        -s|-Wl,*)
1038         # collect these load args
1039         ldargs="${D}{ldargs} ${D}1"
1040         ;;
1041
1042        -l*|-L*|-flat_namespace|-headerpad_max_install_names)
1043         # collect these options
1044         args="${D}{args} ${D}1"
1045         ;;
1046
1047        -dynamiclib|-bundle)
1048         linking_flag="${D}1"
1049         ;;
1050
1051        -*)
1052         echo "shared-ld: unhandled option '${D}1'"
1053         exit 1
1054         ;;
1055
1056         *.o | *.a | *.dylib)
1057         # collect object files
1058         objects="${D}{objects} ${D}1"
1059         ;;
1060
1061         *)
1062         echo "shared-ld: unhandled argument '${D}1'"
1063         exit 1
1064         ;;
1065
1066     esac
1067     shift
1068 done
1069
1070 status=0
1071
1072 #
1073 # Link one module containing all the others
1074 #
1075 if test ${D}{verbose} = 1; then
1076     echo "${D}CXX ${D}{ldargs} ${D}{objects} -o master.${D}${D}.o"
1077 fi
1078 ${D}CXX ${D}{ldargs} ${D}{objects} -o master.${D}${D}.o
1079 status=${D}?
1080
1081 #
1082 # Link the shared library from the single module created, but only if the
1083 # previous command didn't fail:
1084 #
1085 if test ${D}{status} = 0; then
1086     if test ${D}{verbose} = 1; then
1087         echo "${D}CXX ${D}{linking_flag} master.${D}${D}.o ${D}{args}"
1088     fi
1089     ${D}CXX ${D}{linking_flag} master.${D}${D}.o ${D}{args}
1090     status=${D}?
1091 fi
1092
1093 #
1094 # Remove intermediate module
1095 #
1096 rm -f master.${D}${D}.o
1097
1098 exit ${D}status
1099 EOF
1100 dnl ===================== shared-ld-sh ends here =====================
1101 ])
1102
1103 AC_DEFUN([AC_BAKEFILE_CREATE_FILE_BK_MAKE_PCH],
1104 [
1105 dnl ===================== bk-make-pch begins here =====================
1106 dnl    (Created by merge-scripts.py from bk-make-pch
1107 dnl     file do not edit here!)
1108 D='$'
1109 cat <<EOF >bk-make-pch
1110 #!/bin/sh
1111
1112 # This script is part of Bakefile (http://www.bakefile.org) autoconf
1113 # script. It is used to generated precompiled headers.
1114 #
1115 # Permission is given to use this file in any way.
1116
1117 outfile="${D}{1}"
1118 header="${D}{2}"
1119 shift
1120 shift
1121
1122 builddir=\`echo ${D}outfile | sed -e 's,/\\.pch/.*${D},,g'\`
1123
1124 compiler=""
1125 headerfile=""
1126
1127 while test ${D}{#} -gt 0; do
1128     add_to_cmdline=1
1129     case "${D}{1}" in
1130         -I* )
1131             incdir=\`echo ${D}{1} | sed -e 's/-I\\(.*\\)/\\1/g'\`
1132             if test "x${D}{headerfile}" = "x" -a -f "${D}{incdir}/${D}{header}" ; then
1133                 headerfile="${D}{incdir}/${D}{header}"
1134             fi
1135         ;;
1136         -use-pch|-use_pch|-pch-use )
1137             shift
1138             add_to_cmdline=0
1139         ;;
1140     esac
1141     if test ${D}add_to_cmdline = 1 ; then
1142         compiler="${D}{compiler} ${D}{1}"
1143     fi
1144     shift
1145 done
1146
1147 if test "x${D}{headerfile}" = "x" ; then
1148     echo "error: can't find header ${D}{header} in include paths" >&2
1149 else
1150     if test -f ${D}{outfile} ; then
1151         rm -f ${D}{outfile}
1152     else
1153         mkdir -p \`dirname ${D}{outfile}\`
1154     fi
1155     depsfile="${D}{builddir}/.deps/\`echo ${D}{outfile} | tr '/.' '__'\`.d"
1156     mkdir -p ${D}{builddir}/.deps
1157     if test "x${GCC_PCH}" = "x1" ; then
1158         # can do this because gcc is >= 3.4:
1159         ${D}{compiler} -o ${D}{outfile} -MMD -MF "${D}{depsfile}" "${D}{headerfile}"
1160     elif test "x${ICC_PCH}" = "x1" ; then
1161         filename=pch_gen-${D}${D}
1162         file=${D}{filename}.c
1163         dfile=${D}{filename}.d
1164         cat > ${D}file <<EOT
1165 #include "${D}header"
1166 EOT
1167         # using -MF icc complains about differing command lines in creation/use
1168         ${D}compiler -c ${ICC_PCH_CREATE_SWITCH} ${D}outfile -MMD ${D}file && \\
1169           sed -e "s,^.*:,${D}outfile:," -e "s, ${D}file,," < ${D}dfile > ${D}depsfile && \\
1170           rm -f ${D}file ${D}dfile ${D}{filename}.o
1171     fi
1172     exit ${D}{?}
1173 fi
1174 EOF
1175 dnl ===================== bk-make-pch ends here =====================
1176 ])