samples/aclocal.m4

   1 # generated automatically by aclocal 1.7.2 -*- Autoconf -*-
   2
   3 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
   4 # Free Software Foundation, Inc.
   5 # This file is free software; the Free Software Foundation
   6 # gives unlimited permission to copy and/or distribute it,
   7 # with or without modifications, as long as this notice is preserved.
   8
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
  11 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
  12 # PARTICULAR PURPOSE.
  13
  14 dnl ---------------------------------------------------------------------------
  15 dnl Support macros for makefiles generated by BAKEFILE.
  16 dnl ---------------------------------------------------------------------------
  17
  18 dnl Lots of compiler & linker detection code contained here was taken from
  19 dnl wxWindows configure.in script (see http://www.wxwindows.org)
  20
  21
  22
  23 dnl ---------------------------------------------------------------------------
  24 dnl AC_BAKEFILE_GNUMAKE
  25 dnl
  26 dnl Detects GNU make
  27 dnl ---------------------------------------------------------------------------
  28
  29 AC_DEFUN(AC_BAKEFILE_GNUMAKE,
  30 [
  31     dnl does make support "-include" (only GNU make does AFAIK)?
  32     AC_CACHE_CHECK([if make is GNU make], wx_cv_prog_makeisgnu,
  33     [
  34         if ( ${SHELL-sh} -c "${MAKE-make} --version" 2> /dev/null |
  35                 egrep -s GNU > /dev/null); then
  36             bakefile_cv_prog_makeisgnu="yes"
  37         else
  38             bakefile_cv_prog_makeisgnu="no"
  39         fi
  40     ])
  41
  42     if test "x$bakefile_cv_prog_makeisgnu" = "xyes"; then
  43         IF_GNU_MAKE=""
  44     else
  45         IF_GNU_MAKE="#"
  46     fi
  47     AC_SUBST(IF_GNU_MAKE)
  48 ])
  49
  50 dnl ---------------------------------------------------------------------------
  51 dnl AC_BAKEFILE_PLATFORM
  52 dnl
  53 dnl Detects platform and sets PLATFORM_XXX variables accordingly
  54 dnl ---------------------------------------------------------------------------
  55
  56 AC_DEFUN(AC_BAKEFILE_PLATFORM,
  57 [
  58     PLATFORM_UNIX=0
  59     PLATFORM_WIN32=0
  60     PLATFORM_MSDOS=0
  61     PLATFORM_MAC=0
  62     PLATFORM_MACOSX=0
  63
  64     case "${host}" in
  65         *-*-cygwin* | *-*-mingw32* )
  66             PLATFORM_WIN32=1
  67         ;;
  68         *-pc-msdosdjgpp | *-pc-os2_emx | *-pc-os2-emx )
  69             PLATFORM_MSDOS=1
  70         ;;
  71         powerpc-*-darwin* )
  72             PLATFORM_MAC=1
  73             PLATFORM_MACOSX=1
  74         ;;
  75         * )
  76             PLATFORM_UNIX=1
  77         ;;
  78     esac
  79
  80     AC_SUBST(PLATFORM_UNIX)
  81     AC_SUBST(PLATFORM_WIN32)
  82     AC_SUBST(PLATFORM_MSDOS)
  83     AC_SUBST(PLATFORM_MAC)
  84     AC_SUBST(PLATFORM_MACOSX)
  85 ])
  86
  87
  88
  89 dnl ---------------------------------------------------------------------------
  90 dnl AC_BAKEFILE_SUFFIXES
  91 dnl
  92 dnl Detects shared various suffixes for shared libraries, libraries, programs,
  93 dnl plugins etc.
  94 dnl ---------------------------------------------------------------------------
  95
  96 AC_DEFUN(AC_BAKEFILE_SUFFIXES,
  97 [
  98     SO_SUFFIX="so"
  99     EXEEXT=""
 100     DLLPREFIX=lib
 101
 102     case "${host}" in
 103         *-hp-hpux* )
 104             SO_SUFFIX="sl"
 105         ;;
 106         *-*-aix* )
 107             dnl quoting from
 108             dnl http://www-1.ibm.com/servers/esdd/articles/gnu.html:
 109             dnl     Both archive libraries and shared libraries on AIX have an
 110             dnl     .a extension. This will explain why you can't link with an
 111             dnl     .so and why it works with the name changed to .a.
 112             SO_SUFFIX="a"
 113         ;;
 114         *-*-cygwin* | *-*-mingw32* )
 115             SO_SUFFIX="dll"
 116             EXEEXT=".exe"
 117             DLLPREFIX=""
 118         ;;
 119         *-pc-msdosdjgpp | *-pc-os2_emx | *-pc-os2-emx )
 120             EXEEXT=".exe"
 121             DLLPREFIX=""
 122         ;;
 123         powerpc-*-darwin* )
 124             SO_SUFFIX="dylib"
 125         ;;
 126     esac
 127
 128     AC_SUBST(SO_SUFFIX)
 129     AC_SUBST(EXEEXT)
 130     AC_SUBST(DLLPREFIX)
 131 ])
 132
 133
 134 dnl ---------------------------------------------------------------------------
 135 dnl AC_BAKEFILE_SHARED_LD
 136 dnl
 137 dnl Detects command for making shared libraries, substitutes SHARED_LD_CC
 138 dnl and SHARED_LD_CXX.
 139 dnl ---------------------------------------------------------------------------
 140
 141 AC_DEFUN(AC_BAKEFILE_SHARED_LD,
 142 [
 143     dnl Defaults for GCC and ELF .so shared libs:
 144     SHARED_LD_CC="\$(CC) -shared -o"
 145     SHARED_LD_CXX="\$(CXX) -shared -o"
 146
 147     dnl the extra compiler flags needed for compilation of shared library
 148     if test "x$GCC" = "xyes"; then
 149         dnl the switch for gcc is the same under all platforms
 150         PIC_FLAG="-fPIC"
 151     fi
 152
 153     case "${host}" in
 154       *-hp-hpux* )
 155         dnl default settings are good for gcc but not for the native HP-UX
 156         if test "x$GCC" = "xyes"; then
 157             dnl -o flag must be after PIC flag
 158             SHARED_LD_CC="${CC} -shared ${PIC_FLAG} -o"
 159             SHARED_LD_CXX="${CXX} -shared ${PIC_FLAG} -o"
 160         else
 161             dnl no idea why it wants it, but it does
 162             LDFLAGS="$LDFLAGS -L/usr/lib"
 163
 164             SHARED_LD_CC="${CC} -b -o"
 165             SHARED_LD_CXX="${CXX} -b -o"
 166             PIC_FLAG="+Z"
 167         fi
 168       ;;
 169
 170       *-*-linux* )
 171         if test "x$GCC" != "xyes"; then
 172             AC_CACHE_CHECK([for Intel compiler], bakefile_cv_prog_icc,
 173             [
 174                 AC_TRY_COMPILE([],
 175                     [
 176                         #ifndef __INTEL_COMPILER
 177                         #error Not icc
 178                         #endif
 179                     ],
 180                     bakefile_cv_prog_icc=yes,
 181                     bakefile_cv_prog_icc=no
 182                 )
 183             ])
 184             if test "$bakefile_cv_prog_icc" = "yes"; then
 185                 PIC_FLAG="-KPIC"
 186             fi
 187         fi
 188       ;;
 189
 190       *-*-solaris2* )
 191         if test "x$GCC" != xyes ; then
 192             SHARED_LD_CC="${CC} -G -o"
 193             SHARED_LD_CXX="${CXX} -G -o"
 194             PIC_FLAG="-KPIC"
 195         fi
 196       ;;
 197
 198       *-*-darwin* )
 199         dnl For Unix to MacOS X porting instructions, see:
 200         dnl http://fink.sourceforge.net/doc/porting/porting.html
 201         CFLAGS="$CFLAGS -fno-common"
 202         CXXFLAGS="$CXXFLAGS -fno-common"
 203
 204         dnl Most apps benefit from being fully binded (its faster and static
 205         dnl variables initialized at startup work).
 206         dnl This can be done either with the exe linker flag -Wl,-bind_at_load
 207         dnl or with a double stage link in order to create a single module
 208         dnl "-init _wxWindowsDylibInit" not useful with lazy linking solved
 209
 210         cat <<EOF >shared-ld-sh
 211 #!/bin/sh
 212 #-----------------------------------------------------------------------------
 213 #-- Name:        distrib/mac/shared-ld-sh
 214 #-- Purpose:     Link a mach-o dynamic shared library for Darwin / Mac OS X
 215 #-- Author:      Gilles Depeyrot
 216 #-- Copyright:   (c) 2002 Gilles Depeyrot
 217 #-- Licence:     any use permitted
 218 #-----------------------------------------------------------------------------
 219
 220 verbose=0
 221 args=""
 222 objects=""
 223
 224 while test \${#} -gt 0; do
 225     case \${1} in
 226
 227        -v)
 228         verbose=1
 229         ;;
 230
 231        -o|-compatibility_version|-current_version|-framework|-undefined|-install_name)
 232         # collect these options and values
 233         args="\${args} \${1} \${2}"
 234         shift
 235         ;;
 236
 237        -l*|-L*|-flat_namespace)
 238         # collect these options
 239         args="\${args} \${1}"
 240         ;;
 241
 242        -dynamiclib)
 243         # skip these options
 244         ;;
 245
 246        -*)
 247         echo "shared-ld: unhandled option '\${1}'"
 248         exit 1
 249         ;;
 250
 251         *.o | *.a)
 252         # collect object files
 253         objects="\${objects} \${1}"
 254         ;;
 255
 256         *)
 257         echo "shared-ld: unhandled argument '\${1}'"
 258         exit 1
 259         ;;
 260
 261     esac
 262     shift
 263 done
 264
 265 #
 266 # Link one module containing all the others
 267 #
 268 if test \${verbose} = 1; then
 269     echo "c++ -r -keep_private_externs -nostdlib \${objects} -o master.\$\$.o"
 270 fi
 271 c++ -r -keep_private_externs -nostdlib \${objects} -o master.\$\$.o
 272 status=\$?
 273 if test \${status} != 0; then
 274     exit \${status}
 275 fi
 276
 277 #
 278 # Link the shared library from the single module created
 279 #
 280 if test \${verbose} = 1; then
 281     echo "cc -dynamiclib master.\$\$.o \${args}"
 282 fi
 283 c++ -dynamiclib master.\$\$.o \${args}
 284 status=\$?
 285 if test \${status} != 0; then
 286     exit \${status}
 287 fi
 288
 289 #
 290 # Remove intermediate module
 291 #
 292 rm -f master.\$\$.o
 293
 294 exit 0
 295 EOF
 296         chmod +x shared-ld-sh
 297
 298         SHARED_LD_CC="`pwd`/shared-ld-sh -undefined suppress -flat_namespace -o"
 299         SHARED_LD_CXX="$SHARED_LD_CC"
 300         PIC_FLAG="-dynamic -fPIC"
 301         dnl FIXME - what about C libs? Gilles says to use c++ because it doesn't
 302         dnl         matter for C projects and matters for C++ ones
 303         dnl FIXME - newer devel tools have linker flag to do this, the script
 304         dnl         is not necessary - detect!
 305       ;;
 306
 307       *-*-aix* )
 308         dnl default settings are ok for gcc
 309         if test "x$GCC" != "xyes"; then
 310             dnl the abs path below used to be hardcoded here so I guess it must
 311             dnl be some sort of standard location under AIX?
 312             AC_CHECK_PROG(AIX_CXX_LD, makeC++SharedLib,
 313                           makeC++SharedLib, /usr/lpp/xlC/bin/makeC++SharedLib)
 314             dnl FIXME - what about makeCSharedLib?
 315             SHARED_LD_CC="$AIX_CC_LD -p 0 -o"
 316             SHARED_LD_CXX="$AIX_CXX_LD -p 0 -o"
 317         fi
 318       ;;
 319
 320       *-*-beos* )
 321         dnl can't use gcc under BeOS for shared library creation because it
 322         dnl complains about missing 'main'
 323         SHARED_LD_CC="${LD} -shared -o"
 324         SHARED_LD_CXX="${LD} -shared -o"
 325       ;;
 326
 327       *-*-irix* )
 328         dnl default settings are ok for gcc
 329         if test "x$GCC" != "xyes"; then
 330             PIC_FLAG="-KPIC"
 331         fi
 332       ;;
 333
 334       *-*-cygwin* | *-*-mingw32* )
 335         PIC_FLAG=""
 336       ;;
 337
 338       *-*-freebsd* | *-*-openbsd* | *-*-netbsd* | \
 339       *-*-sunos4* | \
 340       *-*-osf* | \
 341       *-*-dgux5* | \
 342       *-*-sysv5* )
 343         dnl defaults are ok
 344       ;;
 345
 346       *)
 347         AC_MSG_ERROR(unknown system type $host.)
 348     esac
 349
 350     AC_SUBST(SHARED_LD_CC)
 351     AC_SUBST(SHARED_LD_CXX)
 352     AC_SUBST(PIC_FLAG)
 353 ])
 354
 355
 356 dnl ---------------------------------------------------------------------------
 357 dnl AC_BAKEFILE_SHARED_VERSIONS
 358 dnl
 359 dnl Detects linker options for attaching versions (sonames) to shared  libs.
 360 dnl ---------------------------------------------------------------------------
 361
 362 AC_DEFUN(AC_BAKEFILE_SHARED_VERSIONS,
 363 [
 364     USE_SOVERSION=0
 365     USE_SOVERLINUX=0
 366     USE_SOVERSOLARIS=0
 367     USE_SOSYMLINKS=0
 368     USE_MACVERSION=0
 369     SONAME_FLAG=
 370
 371     case "${host}" in
 372       *-*-linux* )
 373         SONAME_FLAG="-Wl,-soname,"
 374         USE_SOVERSION=1
 375         USE_SOVERLINUX=1
 376         USE_SOSYMLINKS=1
 377       ;;
 378
 379       *-*-solaris2* )
 380         SONAME_FLAG="-h "
 381         USE_SOVERSION=1
 382         USE_SOVERSOLARIS=1
 383         USE_SOSYMLINKS=1
 384       ;;
 385
 386       *-*-darwin* )
 387         USE_MACVERSION=1
 388         USE_SOVERSION=1
 389         USE_SOSYMLINKS=1
 390       ;;
 391     esac
 392
 393     AC_SUBST(USE_SOVERSION)
 394     AC_SUBST(USE_SOVERLINUX)
 395     AC_SUBST(USE_SOVERSOLARIS)
 396     AC_SUBST(USE_MACVERSION)
 397     AC_SUBST(USE_SOSYMLINKS)
 398     AC_SUBST(SONAME_FLAG)
 399 ])
 400
 401
 402 dnl ---------------------------------------------------------------------------
 403 dnl AC_BAKEFILE_DEPS
 404 dnl
 405 dnl Detects available C/C++ dependency tracking options
 406 dnl ---------------------------------------------------------------------------
 407
 408 AC_DEFUN(AC_BAKEFILE_DEPS,
 409 [
 410     DEPS_TYPE=no
 411     if test "x$GCC" = "xyes"; then
 412         DEPS_TYPE=gcc
 413     fi
 414
 415     AC_SUBST(DEPS_TYPE)
 416 ])
 417
 418 dnl ---------------------------------------------------------------------------
 419 dnl AC_BAKEFILE_CHECK_BASIC_STUFF
 420 dnl
 421 dnl Checks for presence of basic programs, such as C and C++ compiler, "ranlib"
 422 dnl or "install"
 423 dnl ---------------------------------------------------------------------------
 424
 425 AC_DEFUN(AC_BAKEFILE_CHECK_BASIC_STUFF,
 426 [
 427     AC_PROG_RANLIB
 428     AC_PROG_INSTALL
 429     AC_PROG_LN_S
 430
 431     AC_PROG_MAKE_SET
 432     AC_SUBST(MAKE_SET)
 433
 434     if test "$build" != "$host" ; then
 435         AR=$host_alias-ar
 436         STRIP=$host_alias-strip
 437     else
 438         AC_CHECK_PROG(AR, ar, ar, ar)
 439         AC_CHECK_PROG(STRIP, strip, strip, true)
 440     fi
 441
 442     case ${host} in
 443         *-hp-hpux* )
 444             INSTALL_DIR="mkdir"
 445             ;;
 446         *)  INSTALL_DIR="$INSTALL -d"
 447             ;;
 448     esac
 449     AC_SUBST(INSTALL_DIR)
 450 ])
 451
 452
 453 dnl ---------------------------------------------------------------------------
 454 dnl AC_BAKEFILE_RES_COMPILERS
 455 dnl
 456 dnl Checks for presence of resource compilers for win32 or mac
 457 dnl ---------------------------------------------------------------------------
 458
 459 AC_DEFUN(AC_BAKEFILE_RES_COMPILERS,
 460 [
 461     RESCOMP=
 462     SETFILE=
 463
 464     case ${host} in
 465         *-*-cygwin* | *-*-mingw32* )
 466             dnl Check for win32 resources compiler:
 467             if test "$build" != "$host" ; then
 468                 RESCOMP=$host_alias-windres
 469             else
 470                 AC_CHECK_PROG(RESCOMP, windres, windres, windres)
 471             fi
 472          ;;
 473
 474       *-*-darwin* )
 475             AC_CHECK_PROG(RESCOMP, Rez, Rez, /Developer/Tools/Rez)
 476             AC_CHECK_PROG(SETFILE, SetFile, SetFile, /Developer/Tools/SetFile)
 477         ;;
 478     esac
 479
 480     AC_SUBST(RESCOMP)
 481     AC_SUBST(SETFILE)
 482 ])
 483
 484 dnl ---------------------------------------------------------------------------
 485 dnl AC_BAKEFILE
 486 dnl
 487 dnl To be used in configure.in of any project using Bakefile-generated mks
 488 dnl ---------------------------------------------------------------------------
 489
 490 AC_DEFUN(AC_BAKEFILE,
 491 [
 492     if test "x$BAKEFILE_CHECK_BASICS" != "xno"; then
 493         AC_BAKEFILE_CHECK_BASIC_STUFF
 494     fi
 495     AC_BAKEFILE_GNUMAKE
 496     AC_BAKEFILE_PLATFORM
 497     AC_BAKEFILE_SUFFIXES
 498     AC_BAKEFILE_SHARED_LD
 499     AC_BAKEFILE_SHARED_VERSIONS
 500     AC_BAKEFILE_DEPS
 501     AC_BAKEFILE_RES_COMPILERS
 502
 503     builtin(include, autoconf_inc.m4)
 504 ])
 505