config/lyxinclude.m4

   1 dnl Some useful functions for LyXs configure.in                 -*- sh -*-
   2 dnl Author: Jean-Marc Lasgouttes (Jean-Marc.Lasgouttes@inria.fr)
   3 dnl         Lars Gullik Bjønnes (larsbj@lyx.org)
   4 dnl         Allan Rae (rae@lyx.org)
   5
   6 dnl Compute the default build type from AC_PACKAGE_VERSION at autoconf time.
   7 m4_define([LYX_BUILD_TYPE], [m4_bmatch(AC_PACKAGE_VERSION,
   8     [dev], [development],
   9     [pre\|alpha\|beta\|rc], [prerelease],
  10     [release])])
  11
  12
  13 dnl Usage LYX_CHECK_VERSION   Displays version of LyX being built and
  14 dnl sets variable "build_type"
  15 AC_DEFUN([LYX_CHECK_VERSION],[
  16 echo "configuring LyX version" AC_PACKAGE_VERSION
  17
  18 AC_MSG_CHECKING([for build type])
  19 lyx_devel_version=no
  20 lyx_prerelease=no
  21 AC_ARG_ENABLE(build-type,
  22   AS_HELP_STRING([--enable-build-type=STR],[set build type to rel(ease), pre(release), dev(elopment), prof(iling), or gprof (default: LYX_BUILD_TYPE)]),
  23   [case $enableval in
  24     dev*) build_type=development;;
  25     pre*) build_type=prerelease;;
  26     prof*)  build_type=profiling;;
  27     gprof*) build_type=gprof;;
  28     rel*) build_type=release;;
  29     *) AC_MSG_ERROR([bad build type specification '$enableval'. Please use one of rel(ease), pre(release), dev(elopment), prof(iling), or gprof]);;
  30    esac],
  31   [build_type=LYX_BUILD_TYPE])
  32 AC_MSG_RESULT([$build_type])
  33 lyx_flags="$lyx_flags build=$build_type"
  34 case $build_type in
  35     development) lyx_devel_version=yes
  36                  LYX_DATE="not released yet" ;;
  37     prerelease) lyx_prerelease=yes ;;
  38 esac
  39
  40 AC_SUBST(lyx_devel_version)
  41 ])
  42
  43
  44 dnl Define the option to set a LyX version on installed executables and directories
  45 dnl
  46 dnl
  47 AC_DEFUN([LYX_VERSION_SUFFIX],[
  48 AC_MSG_CHECKING([for version suffix])
  49 dnl We need the literal double quotes in the rpm spec file
  50 RPM_VERSION_SUFFIX='""'
  51 AC_ARG_WITH(version-suffix,
  52   [AS_HELP_STRING([--with-version-suffix@<:@=STR@:>@], install lyx files as lyxSTR (default STR: -AC_PACKAGE_VERSION))],
  53   [if test "x$withval" = "xyes";
  54    then
  55      withval="-"AC_PACKAGE_VERSION
  56      ac_configure_args=`echo "$ac_configure_args" | sed "s,--with-version-suffix,--with-version-suffix=$withval,"`
  57    fi
  58    AC_SUBST(version_suffix,$withval)
  59    RPM_VERSION_SUFFIX="--with-version-suffix=$withval"])
  60 AC_SUBST(RPM_VERSION_SUFFIX)
  61 AC_SUBST(program_base_name,"lyx")
  62 AC_MSG_RESULT([$withval])
  63 ])
  64
  65
  66 dnl Check whether to configure for Qt4 or Qt5. Default is Qt5.
  67 dnl
  68 AC_DEFUN([LYX_CHECK_QT5],[
  69 AC_MSG_CHECKING([whether Qt5 is disabled])
  70 AC_ARG_ENABLE([qt5],
  71   [AS_HELP_STRING([--disable-qt5],[do not use Qt5 for building])],
  72   USE_QT5=$enableval, USE_QT5=yes)
  73 if test x$USE_QT5 != xno ; then
  74   AC_MSG_RESULT([no])
  75 else
  76   AC_MSG_RESULT([yes])
  77 fi
  78 AC_SUBST([USE_QT5])
  79 ])
  80
  81
  82 dnl Usage: LYX_WARNING(message)  Displays the warning "message" and sets the
  83 dnl flag lyx_warning to yes.
  84 AC_DEFUN([LYX_WARNING],[
  85 lyx_warning_txt="$lyx_warning_txt
  86 == $1
  87 "
  88 lyx_warning=yes])
  89
  90
  91 dnl Usage: LYX_LIB_ERROR(file,library)  Displays an error message indication
  92 dnl  that 'file' cannot be found because 'lib' may be uncorrectly installed.
  93 AC_DEFUN([LYX_LIB_ERROR],[
  94 AC_MSG_ERROR([cannot find $1. Please check that the $2 library
  95    is correctly installed on your system.])])
  96
  97
  98 dnl Usage: LYX_CHECK_WARNINGS  Displays a warning message if a LYX_WARNING
  99 dnl   has occurred previously.
 100 AC_DEFUN([LYX_CHECK_WARNINGS],[
 101 if test x$lyx_warning = xyes; then
 102 cat <<EOF
 103 === The following minor problems have been detected by configure.
 104 === Please check the messages below before running 'make'.
 105 === (see the section 'Problems' in the INSTALL file)
 106 $lyx_warning_txt
 107
 108 EOF
 109 fi])
 110
 111
 112 dnl LYX_SEARCH_PROG(VARIABLE-NAME,PROGRAMS-LIST,ACTION-IF-FOUND)
 113 dnl
 114 define(LYX_SEARCH_PROG,[dnl
 115 for ac_prog in $2 ; do
 116 # Extract the first word of "$ac_prog", so it can be a program name with args.
 117   set dummy $ac_prog ; ac_word=$[2]
 118   if test -z "[$]$1"; then
 119     IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
 120     for ac_dir in $PATH; do
 121       test -z "$ac_dir" && ac_dir=.
 122       if test -f [$ac_dir/$ac_word]; then
 123         $1="$ac_prog"
 124         break
 125       fi
 126     done
 127     IFS="$ac_save_ifs"
 128   fi
 129
 130   if test -n "[$]$1"; then
 131     ac_result=yes
 132   else
 133     ac_result=no
 134   fi
 135   ifelse($3,,,[$3])
 136   test -n "[$]$1" && break
 137 done
 138 ])dnl
 139
 140
 141 dnl Usage: LYX_PROG_CLANG: set CLANG to yes if the compiler is clang.
 142 AC_DEFUN([LYX_PROG_CLANG],
 143 [AC_CACHE_CHECK([whether the compiler is clang],
 144                [lyx_cv_prog_clang],
 145 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
 146 #ifndef __clang__
 147             this is not clang
 148 #endif
 149 ]])],[lyx_cv_prog_clang=yes ; CLANG=yes],[lyx_cv_prog_clang=no ; CLANG=no])])
 150 if test $CLANG = yes ; then
 151   AC_CACHE_CHECK([for clang version],
 152     [lyx_cv_clang_version],
 153     [clang_noversion=no
 154      AC_COMPUTE_INT(clang_major,__clang_major__,,[clang_noversion_=yes])
 155      AC_COMPUTE_INT(clang_minor,__clang_minor__,,[clang_noversion_=yes])
 156      AC_COMPUTE_INT(clang_patchlevel,__clang_patchlevel__,,[clang_noversion_=yes])
 157      if test $clang_noversion = yes ; then
 158        clang_version=unknown
 159      else
 160        clang_version=$clang_major.$clang_minor.$clang_patchlevel
 161      fi
 162      lyx_cv_clang_version=$clang_version])
 163 fi
 164 ])
 165
 166
 167 dnl Usage: LYX_CXX_CXX11_FLAGS: add to AM_CXXFLAGS the best flag that
 168 selects C++11 mode; gives an error when C++11 mode is not found.
 169 AC_DEFUN([LYX_CXX_CXX11_FLAGS],
 170 [AC_CACHE_CHECK([for at least C++11 mode], [lyx_cv_cxx11_flags],
 171  [lyx_cv_cxx11_flags=none
 172   for flag in -std=c++14 -std=c++11 "" -std=gnu++14 -std=gnu++11 ; do
 173     save_CPPFLAGS=$CPPFLAGS
 174     CPPFLAGS="$AM_CPPFLAGS $CPPFLAGS"
 175     save_CXXFLAGS=$CXXFLAGS
 176     CXXFLAGS="$flag $AM_CXXFLAGS $CXXFLAGS"
 177     dnl sample openmp source code to test
 178     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 179        template <typename T>
 180        struct check
 181        {
 182            static_assert(sizeof(int) <= sizeof(T), "not big enough");
 183        };
 184
 185        typedef check<check<bool>> right_angle_brackets;
 186
 187        class TestDeleted
 188        {
 189        public:
 190            TestDeleted() = delete;
 191        };
 192
 193
 194        int a;
 195        decltype(a) b;
 196
 197        typedef check<int> check_type;
 198        check_type c;
 199        check_type&& cr = static_cast<check_type&&>(c);
 200
 201        auto d = a;]], [[]])],[lyx_cv_cxx11_flags=$flag; break],[])
 202    CXXFLAGS=$save_CXXFLAGS
 203    CPPFLAGS=$save_CPPFLAGS
 204   done])
 205   if test $lyx_cv_cxx11_flags = none ; then
 206     AC_MSG_ERROR([Cannot find suitable C++11 mode for compiler $CXX])
 207   fi
 208   AM_CXXFLAGS="$lyx_cv_cxx11_flags $AM_CXXFLAGS"
 209 ])
 210
 211
 212 dnl Usage: LYX_CXX_USE_REGEX
 213 dnl decide whether we want to use std::regex and set the
 214 dnl LYX_USE_STD_REGEX macro and conditional accordingly.
 215 AC_DEFUN([LYX_CXX_USE_REGEX],
 216 [AC_ARG_ENABLE(std-regex,
 217   AS_HELP_STRING([--enable-std-regex],[use std::regex instead of boost::regex (default is autodetected)]),
 218   [lyx_std_regex=$enableval],
 219   [AC_MSG_CHECKING([for correct regex implementation])
 220    save_CPPFLAGS=$CPPFLAGS
 221    CPPFLAGS="$AM_CPPFLAGS $CPPFLAGS"
 222    save_CXXFLAGS=$CXXFLAGS
 223    CXXFLAGS="$AM_CXXFLAGS $CXXFLAGS"
 224    # The following code snippet has been taken taken from example in
 225    #   http://stackoverflow.com/questions/8561850/compile-stdregex-iterator-with-gcc
 226    AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 227         #include <regex>
 228         #include <iostream>
 229
 230         #include <string.h>
 231
 232         typedef std::regex_iterator<const char *> Myiter;
 233      ]], [[
 234         const char *pat = "axayaz";
 235         Myiter::regex_type rx("a");
 236         Myiter next(pat, pat + strlen(pat), rx);
 237         Myiter end;
 238    ]])],[lyx_std_regex=yes],[lyx_std_regex=no])
 239    CXXFLAGS=$save_CXXFLAGS
 240    CPPFLAGS=$save_CPPFLAGS
 241    AC_MSG_RESULT([$lyx_std_regex])
 242  ])
 243
 244  if test $lyx_std_regex = yes ; then
 245   lyx_flags="$lyx_flags std-regex"
 246   AC_DEFINE([LYX_USE_STD_REGEX], 1, [define to 1 if std::regex should be preferred to boost::regex])
 247  fi
 248  AM_CONDITIONAL([LYX_USE_STD_REGEX], test $lyx_std_regex = yes)
 249 ])
 250
 251
 252 dnl Usage: LYX_CXX_USE_CALL_ONCE
 253 dnl check whether we can use std::call_once and set the
 254 dnl LYX_USE_STD_CALL_ONCE macro and conditional accordingly.
 255 AC_DEFUN([LYX_CXX_USE_CALL_ONCE],
 256 [AC_MSG_CHECKING([for std::call_once availability])
 257    save_CPPFLAGS=$CPPFLAGS
 258    CPPFLAGS="$AM_CPPFLAGS $CPPFLAGS"
 259    save_CXXFLAGS=$CXXFLAGS
 260    CXXFLAGS="$AM_CXXFLAGS $CXXFLAGS"
 261    AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 262         #include <mutex>
 263         static std::once_flag flag;
 264      ]], [[
 265         std::call_once(flag, [](){ return; });
 266    ]])],[lyx_std_call_once=yes],[lyx_std_call_once=no])
 267    CXXFLAGS=$save_CXXFLAGS
 268    CPPFLAGS=$save_CPPFLAGS
 269    AC_MSG_RESULT([$lyx_std_call_once])
 270
 271  if test $lyx_std_call_once = yes ; then
 272   AC_DEFINE([LYX_USE_STD_CALL_ONCE], 1, [define to 1 if std::call_once is supported by the compiler])
 273  fi
 274  AM_CONDITIONAL([LYX_USE_STD_CALL_ONCE], test $lyx_std_call_once = yes)
 275 ])
 276
 277
 278 dnl Usage: LYX_LIB_STDCXX: set lyx_cv_lib_stdcxx to yes if the STL library is libstdc++.
 279 AC_DEFUN([LYX_LIB_STDCXX],
 280 [AC_CACHE_CHECK([whether STL is libstdc++],
 281                [lyx_cv_lib_stdcxx],
 282 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include<vector>]], [[
 283 #if ! defined(__GLIBCXX__) && ! defined(__GLIBCPP__)
 284             this is not libstdc++
 285 #endif
 286 ]])],[lyx_cv_lib_stdcxx=yes],[lyx_cv_lib_stdcxx=no])])
 287 ])
 288
 289
 290 dnl Usage: LYX_LIB_STDCXX_CXX11_ABI: set lyx_cv_lib_stdcxx_cxx11_abi to yes
 291 dnl        if the STL library is GNU libstdc++ and the C++11 ABI is used.
 292 AC_DEFUN([LYX_LIB_STDCXX_CXX11_ABI],
 293 [AC_CACHE_CHECK([whether STL is libstdc++ using the C++11 ABI],
 294                [lyx_cv_lib_stdcxx_cxx11_abi],
 295 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include<vector>]], [[
 296 #if ! defined(_GLIBCXX_USE_CXX11_ABI) || ! _GLIBCXX_USE_CXX11_ABI
 297             this is not libstdc++ using the C++11 ABI
 298 #endif
 299 ]])],[lyx_cv_lib_stdcxx_cxx11_abi=yes],[lyx_cv_lib_stdcxx_cxx11_abi=no])])
 300 ])
 301
 302
 303 AC_DEFUN([LYX_PROG_CXX],
 304 [AC_REQUIRE([AC_PROG_CXX])
 305 AC_REQUIRE([AC_PROG_CXXCPP])
 306
 307 AC_LANG_PUSH(C++)
 308 LYX_PROG_CLANG
 309 LYX_CXX_CXX11_FLAGS
 310 LYX_LIB_STDCXX
 311 LYX_LIB_STDCXX_CXX11_ABI
 312 LYX_CXX_USE_REGEX
 313 LYX_CXX_USE_CALL_ONCE
 314 AC_LANG_POP(C++)
 315
 316 if test $lyx_cv_lib_stdcxx = "yes" ; then
 317   if test $lyx_cv_lib_stdcxx_cxx11_abi = "yes" ; then
 318     AC_DEFINE(USE_GLIBCXX_CXX11_ABI, 1, [use GNU libstdc++ with C++11 ABI])
 319   else
 320     AC_DEFINE(STD_STRING_USES_COW, 1, [std::string uses copy-on-write])
 321   fi
 322 else
 323   if test $lyx_cv_prog_clang = "yes" ; then
 324     AC_DEFINE(USE_LLVM_LIBCPP, 1, [use libc++ provided by llvm instead of GNU libstdc++])
 325   fi
 326 fi
 327
 328 ### We might want to get or shut warnings.
 329 AC_ARG_ENABLE(warnings,
 330   AS_HELP_STRING([--enable-warnings],[tell the compiler to display more warnings]),,
 331   [ if test $lyx_devel_version = yes -o $lyx_prerelease = yes && test $GXX = yes ; then
 332         enable_warnings=yes;
 333     else
 334         enable_warnings=no;
 335     fi;])
 336 if test x$enable_warnings = xyes ; then
 337   lyx_flags="$lyx_flags warnings"
 338 fi
 339
 340 ### We might want to disable debug
 341 AC_ARG_ENABLE(debug,
 342   AS_HELP_STRING([--enable-debug],[enable debug information]),,
 343   [AS_CASE([$build_type], [rel*], [enable_debug=no], [enable_debug=yes])]
 344 )
 345
 346 AC_ARG_ENABLE(stdlib-debug,
 347   AS_HELP_STRING([--enable-stdlib-debug],[enable debug mode in the standard library]),,
 348   [AS_CASE([$build_type], [dev*], [enable_stdlib_debug=yes],
 349           [enable_stdlib_debug=no])]
 350 )
 351
 352 ### set up optimization
 353 AC_ARG_ENABLE(optimization,
 354     AS_HELP_STRING([--enable-optimization@<:@=ARG@:>@],[enable compiler optimisation]),,
 355     enable_optimization=yes;)
 356 case $enable_optimization in
 357     yes)
 358         if test $lyx_devel_version = yes ; then
 359             lyx_optim=-O
 360         else
 361             lyx_optim=-O2
 362         fi;;
 363     no) lyx_optim=;;
 364     *) lyx_optim=${enable_optimization};;
 365 esac
 366
 367 AC_ARG_ENABLE(assertions,
 368   AS_HELP_STRING([--enable-assertions],[add runtime sanity checks in the program]),,
 369   [AS_CASE([$build_type], [dev*|pre*], [enable_assertions=yes],
 370           [enable_assertions=no])]
 371 )
 372 if test "x$enable_assertions" = xyes ; then
 373    lyx_flags="$lyx_flags assertions"
 374    AC_DEFINE(ENABLE_ASSERTIONS,1,
 375     [Define if you want assertions to be enabled in the code])
 376 fi
 377
 378 # set the compiler options correctly.
 379 if test x$GXX = xyes; then
 380   dnl clang++ pretends to be g++ 4.2.1; this is not useful
 381   if test x$CLANG = xno; then
 382     dnl Useful for global version info
 383     gxx_version=`${CXX} -dumpversion`
 384     CXX_VERSION="($gxx_version)"
 385   else
 386     gxx_version=clang-$clang_version
 387     CXX_VERSION="($clang_version)"
 388   fi
 389
 390   AM_CXXFLAGS="$lyx_optim $AM_CXXFLAGS"
 391   if test x$enable_debug = xyes ; then
 392       AM_CXXFLAGS="-g $AM_CXXFLAGS"
 393   fi
 394   if test $build_type = gprof ; then
 395     AM_CXXFLAGS="$AM_CXXFLAGS -pg"
 396     AM_LDFLAGS="$AM_LDFLAGS -pg"
 397   fi
 398   if test $build_type = profiling ; then
 399     AM_CXXFLAGS="$AM_CXXFLAGS -fno-omit-frame-pointer"
 400   fi
 401
 402   if test x$USE_QT5 = xyes ; then
 403       AS_CASE([$host], [*mingw*|*cygwin*], [], [AM_CXXFLAGS="-fPIC $AM_CXXFLAGS"])
 404   fi
 405   dnl Warnings are for preprocessor too
 406   if test x$enable_warnings = xyes ; then
 407       case $gxx_version in
 408           9.*) AM_CPPFLAGS="$AM_CPPFLAGS -Wall -Wextra -Wno-deprecated-copy";;
 409           *) AM_CPPFLAGS="$AM_CPPFLAGS -Wall -Wextra";;
 410       esac
 411     fi
 412   case $gxx_version in
 413       2.*|3.*|4.@<:@0-6@:>@) AC_MSG_ERROR([gcc >= 4.7 is required]);;
 414   esac
 415   if test x$enable_stdlib_debug = xyes ; then
 416     dnl FIXME: for clang/libc++, one should define _LIBCPP_DEBUG2=0
 417     dnl See http://clang-developers.42468.n3.nabble.com/libc-debug-mode-td3336742.html
 418     case $gxx_version in
 419       *)
 420         lyx_flags="$lyx_flags stdlib-debug"
 421         AC_DEFINE(_GLIBCXX_DEBUG, 1, [libstdc++ debug mode])
 422         AC_DEFINE(_GLIBCXX_DEBUG_PEDANTIC, 1, [libstdc++ pedantic debug mode])
 423         AC_SUBST(STDLIB_DEBUG, "-D_GLIBCXX_DEBUG -D_GLIBCXX_DEBUG_PEDANTIC")
 424         ;;
 425     esac
 426   fi
 427 fi
 428
 429 # Some additional flags may be needed
 430 if test x$GXX = xyes; then
 431     case $gxx_version in
 432       clang-3.0*|clang-3.1*|clang-3.2*|clang-3.3*)
 433         dnl boost contains pragmas that are annoying on older clang versions
 434         AM_CPPFLAGS="-Wno-unknown-pragmas $AM_CPPFLAGS";;
 435       clang*)
 436         dnl the more recent versions support the deprecated-register warning,
 437         dnl which  is very annoying with Qt4.x right now.
 438         AM_CXXFLAGS="$AM_CXXFLAGS -Wno-deprecated-register";;
 439     esac
 440 fi
 441 ])
 442
 443 dnl Usage: LYX_USE_INCLUDED_BOOST : select if the included boost should
 444 dnl        be used.
 445 AC_DEFUN([LYX_USE_INCLUDED_BOOST],[
 446         AC_MSG_CHECKING([whether to use included boost library])
 447         AC_ARG_WITH(included-boost,
 448             [AS_HELP_STRING([--without-included-boost], [do not use the boost lib supplied with LyX, try to find one in the system directories - compilation will abort if nothing suitable is found])],
 449             [lyx_cv_with_included_boost=$withval],
 450             [lyx_cv_with_included_boost=yes])
 451         AM_CONDITIONAL(USE_INCLUDED_BOOST, test x$lyx_cv_with_included_boost = xyes)
 452         AC_MSG_RESULT([$lyx_cv_with_included_boost])
 453         if test x$lyx_cv_with_included_boost = xyes ; then
 454             lyx_included_libs="$lyx_included_libs boost"
 455             BOOST_INCLUDES='-I$(top_srcdir)/3rdparty/boost'
 456             if test $lyx_std_regex = yes ; then
 457               BOOST_LIBS=""
 458             else
 459               BOOST_LIBS='$(top_builddir)/3rdparty/boost/liblyxboost.a'
 460             fi
 461         else
 462             BOOST_INCLUDES=
 463             if test $lyx_std_regex = yes ; then
 464               BOOST_LIBS=""
 465             else
 466               AC_LANG_PUSH(C++)
 467               save_LIBS=$LIBS
 468
 469               AC_MSG_CHECKING([for multithreaded boost libraries])
 470               LIBS="$save_LIBS -lboost_regex-mt $LIBTHREAD"
 471               AC_LINK_IFELSE(
 472                 [AC_LANG_PROGRAM([#include <boost/regex.hpp>],
 473                         [boost::regex reg;])],
 474                 [AC_MSG_RESULT([yes])
 475                  BOOST_MT="-mt"],
 476                 [AC_MSG_RESULT([no])
 477                  AC_MSG_CHECKING([for plain boost libraries])
 478                  LIBS="$save_LIBS -lboost_regex"
 479                  AC_LINK_IFELSE(
 480                      [AC_LANG_PROGRAM([#include <boost/regex.hpp>],
 481                              [boost::regex reg;])],
 482                      [AC_MSG_RESULT([yes])
 483                       BOOST_MT=""],
 484                      [AC_MSG_RESULT([no])
 485                       AC_MSG_ERROR([cannot find suitable boost library (do not use --without-included-boost)])
 486                  ])
 487               ])
 488               LIBS=$save_LIBS
 489               AC_LANG_POP(C++)
 490
 491               dnl In general, system boost libraries are incompatible with
 492               dnl the use of stdlib-debug in libstdc++. See ticket #9736 for
 493               dnl details.
 494               if test $enable_stdlib_debug = "yes" ; then
 495                 LYX_WARNING([Compiling LyX with stdlib-debug and system boost libraries may lead to
 496    crashes. Consider using --disable-stdlib-debug or removing
 497    --without-included-boost.])
 498               fi
 499
 500               BOOST_LIBS="-lboost_regex${BOOST_MT}"
 501             fi
 502         fi
 503         AC_SUBST(BOOST_INCLUDES)
 504         AC_SUBST(BOOST_LIBS)
 505 ])
 506
 507
 508 dnl Usage: LYX_USE_INCLUDED_ICONV : select if the included iconv should
 509 dnl        be used.
 510 AC_DEFUN([LYX_USE_INCLUDED_ICONV],[
 511   AC_MSG_CHECKING([whether to use included iconv library])
 512   AC_ARG_WITH(included-iconv,
 513     [AS_HELP_STRING([--with-included-iconv], [use the iconv lib supplied with LyX instead of the system one])],
 514     [lyx_cv_with_included_iconv=$withval],
 515     [lyx_cv_with_included_iconv=no])
 516   AM_CONDITIONAL(USE_INCLUDED_ICONV, test x$lyx_cv_with_included_iconv = xyes)
 517   AC_MSG_RESULT([$lyx_cv_with_included_iconv])
 518   if test x$lyx_cv_with_included_iconv = xyes ; then
 519   lyx_included_libs="$lyx_included_libs iconv"
 520
 521 dnl Some bits from libiconv configure.ac to avoid a nested configure call:
 522     AC_EILSEQ
 523     AC_TYPE_MBSTATE_T
 524     AC_CHECK_FUNCS([getc_unlocked mbrtowc wcrtomb mbsinit setlocale])
 525 dnl Ymbstate_t is used if HAVE_WCRTOMB || HAVE_MBRTOWC, see 3rdparty/libiconv/1.14/lib/loop_wchar.h.
 526     if test $ac_cv_func_wcrtomb = yes || test $ac_cv_func_mbrtowc = yes; then
 527       USE_MBSTATE_T=1
 528     else
 529       USE_MBSTATE_T=0
 530     fi
 531     AC_SUBST([USE_MBSTATE_T])
 532     AC_CACHE_CHECK([whether <wchar.h> is standalone],
 533       [gl_cv_header_wchar_h_standalone],
 534       [AC_COMPILE_IFELSE(
 535         [AC_LANG_PROGRAM(
 536           [[#include <wchar.h>
 537             wchar_t w;]],
 538           [[]])],
 539         [gl_cv_header_wchar_h_standalone=yes],
 540         [gl_cv_header_wchar_h_standalone=no])])
 541     if test $gl_cv_header_wchar_h_standalone = yes; then
 542       BROKEN_WCHAR_H=0
 543     else
 544       BROKEN_WCHAR_H=1
 545     fi
 546     AC_SUBST([BROKEN_WCHAR_H])
 547 dnl we want const correctness
 548     AC_DEFINE_UNQUOTED([ICONV_CONST], [const],
 549       [Define as const if the declaration of iconv() needs const.])
 550     ICONV_CONST=const
 551     AC_SUBST([ICONV_CONST])
 552 dnl we build a static lib
 553     DLL_VARIABLE=
 554     AC_SUBST([DLL_VARIABLE])
 555     ICONV_INCLUDES='-I$(top_srcdir)/3rdparty/libiconv/1.14 -I$(top_builddir)/3rdparty/libiconv'
 556     ICONV_LIBS='\$(top_builddir)/3rdparty/libiconv/liblyxiconv.a'
 557     ICONV_ICONV_H_IN=3rdparty/libiconv/iconv.h:3rdparty/libiconv/1.14/include/iconv.h.in
 558   else
 559     ICONV_INCLUDES=
 560     AM_ICONV
 561     if test "$am_cv_func_iconv" = no; then
 562       AC_MSG_ERROR([cannot find required library iconv.])
 563     else
 564       ICONV_LIBS="$LIBICONV"
 565     fi
 566     ICONV_ICONV_H_IN=
 567   fi
 568   AC_SUBST(ICONV_INCLUDES)
 569   AC_SUBST(ICONV_LIBS)
 570   AC_SUBST(ICONV_ICONV_H_IN)
 571 ])
 572
 573
 574 dnl Usage: LYX_USE_INCLUDED_ZLIB : select if the included zlib should
 575 dnl        be used.
 576 AC_DEFUN([LYX_USE_INCLUDED_ZLIB],[
 577   AC_MSG_CHECKING([whether to use included zlib library])
 578   AC_ARG_WITH(included-zlib,
 579     [AS_HELP_STRING([--with-included-zlib], [use the zlib lib supplied with LyX instead of the system one])],
 580     [lyx_cv_with_included_zlib=$withval],
 581     [lyx_cv_with_included_zlib=no])
 582   AM_CONDITIONAL(USE_INCLUDED_ZLIB, test x$lyx_cv_with_included_zlib = xyes)
 583   AC_MSG_RESULT([$lyx_cv_with_included_zlib])
 584   if test x$lyx_cv_with_included_zlib = xyes ; then
 585     lyx_included_libs="$lyx_included_libs zlib"
 586     ZLIB_INCLUDES='-I$(top_srcdir)/3rdparty/zlib/1.2.8 -I$(top_builddir)/3rdparty/zlib'
 587     ZLIB_LIBS='$(top_builddir)/3rdparty/zlib/liblyxzlib.a'
 588     mkdir -p 3rdparty/zlib
 589 dnl include standard config.h for HAVE_UNISTD_H
 590     echo "#include <../../config.h>" > 3rdparty/zlib/zconf.h
 591 dnl prevent clash with system zlib that might be dragged in by other libs
 592     echo "#define Z_PREFIX 1" >> 3rdparty/zlib/zconf.h
 593     cat "${srcdir}/3rdparty/zlib/1.2.8/zconf.h.in" >> 3rdparty/zlib/zconf.h
 594   else
 595     ZLIB_INCLUDES=
 596     AC_CHECK_HEADERS(zlib.h,
 597       [AC_CHECK_LIB(z, gzopen, [ZLIB_LIBS="-lz"], LYX_LIB_ERROR(libz,zlib))],
 598       [LYX_LIB_ERROR(zlib.h,zlib)])
 599   fi
 600   AC_SUBST(ZLIB_INCLUDES)
 601   AC_SUBST(ZLIB_LIBS)
 602 ])
 603
 604
 605 dnl Usage: LYX_CHECK_CALLSTACK_PRINTING: define LYX_CALLSTACK_PRINTING if the
 606 dnl        necessary APIs are available to print callstacks.
 607 AC_DEFUN([LYX_CHECK_CALLSTACK_PRINTING],
 608 [AC_ARG_ENABLE([callstack-printing],
 609                [AS_HELP_STRING([--disable-callstack-printing],[do not print a callstack when crashing])],
 610                lyx_cv_callstack_printing=$enableval, lyx_cv_callstack_printing=yes)
 611
 612 if test x"$lyx_cv_callstack_printing" = xyes; then
 613   AC_CACHE_CHECK([whether printing callstack is possible],
 614                  [lyx_cv_callstack_printing],
 615   [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 616   #include <execinfo.h>
 617   #include <cxxabi.h>
 618   ]], [[
 619           void* array[200];
 620           size_t size = backtrace(array, 200);
 621           backtrace_symbols(array, size);
 622           int status = 0;
 623           abi::__cxa_demangle("abcd", 0, 0, &status);
 624   ]])],[],[lyx_cv_callstack_printing=no])])
 625 fi
 626 if test x"$lyx_cv_callstack_printing" = xyes; then
 627   AC_DEFINE([LYX_CALLSTACK_PRINTING], 1,
 628             [Define if callstack can be printed])
 629   lyx_flags="$lyx_flags callback-printing"
 630   AM_LDFLAGS="${AM_LDFLAGS} -rdynamic"
 631 fi
 632 ])
 633
 634
 635 dnl Usage: LYX_USE_INCLUDED_MYTHES : select if the included MyThes should
 636 dnl        be used.
 637 AC_DEFUN([LYX_USE_INCLUDED_MYTHES],[
 638   AC_ARG_WITH(included-mythes,
 639     [AS_HELP_STRING([--with-included-mythes], [force to use the MyThes lib supplied with LyX])],
 640     [use_included_mythes=$withval],
 641     [use_included_mythes=no])
 642   if test x$use_included_mythes != xyes ; then
 643     AC_LANG_PUSH(C++)
 644     use_included_mythes=yes
 645     AC_CHECK_HEADERS([mythes.hxx mythes/mythes.hxx],
 646       [mythes_h_location="<$ac_header>"
 647        save_LIBS=$LIBS
 648        AC_MSG_CHECKING([checking for MyThes library])
 649        for ac_lib in mythes mythes-1.2 ; do
 650          LIBS="-l$ac_lib $save_LIBS"
 651          AC_LINK_IFELSE(
 652            [AC_LANG_PROGRAM([#include <cstdio>]
 653               [#include $mythes_h_location], [MyThes dummy("idx","dat")])],
 654            [MYTHES_LIBS=-l$ac_lib
 655             AC_MSG_RESULT([$MYTHES_LIBS])
 656             use_included_mythes=no])
 657        done
 658        if test $use_included_mythes != no ; then
 659          AC_MSG_RESULT([not found])
 660        fi
 661        break])
 662     AC_LANG_POP(C++)
 663   fi
 664   if test $use_included_mythes = yes ; then
 665     mythes_h_location="<mythes.hxx>"
 666     MYTHES_INCLUDES='-I$(top_srcdir)/3rdparty/mythes/1.2.5/'
 667     MYTHES_LIBS='$(top_builddir)/3rdparty/mythes/liblyxmythes.a'
 668     lyx_included_libs="$lyx_included_libs mythes"
 669   fi
 670   AM_CONDITIONAL(USE_INCLUDED_MYTHES, test x$use_included_mythes = xyes)
 671   AC_DEFINE_UNQUOTED(MYTHES_H_LOCATION,$mythes_h_location,[Location of mythes.hxx])
 672   AC_SUBST(MYTHES_INCLUDES)
 673   AC_SUBST(MYTHES_LIBS)
 674   AC_MSG_CHECKING([whether to use included MyThes library])
 675   AC_MSG_RESULT([$use_included_mythes])
 676 ])
 677
 678
 679 dnl Usage: LYX_WITH_DIR(dir-name,desc,dir-var-name,default-value,
 680 dnl                       [default-yes-value])
 681 dnl  Adds a --with-'dir-name' option (described by 'desc') and puts the
 682 dnl  resulting directory name in 'dir-var-name'.
 683 AC_DEFUN([LYX_WITH_DIR],[
 684   AC_ARG_WITH($1,[AS_HELP_STRING([--with-$1],[specify $2])])
 685   AC_MSG_CHECKING([for $2])
 686   if test -z "$with_$3"; then
 687      AC_CACHE_VAL(lyx_cv_$3, lyx_cv_$3=$4)
 688   else
 689     test "x$with_$3" = xyes && with_$3=$5
 690     lyx_cv_$3="$with_$3"
 691   fi
 692   AC_MSG_RESULT($lyx_cv_$3)
 693 ])
 694
 695
 696 dnl Usage: LYX_LOOP_DIR(value,action)
 697 dnl Executes action for values of variable `dir' in `values'. `values' can
 698 dnl use ":" as a separator.
 699 AC_DEFUN([LYX_LOOP_DIR],[
 700 IFS="${IFS=     }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
 701 for dir in `eval "echo $1"`; do
 702   if test ! "$dir" = NONE; then
 703     test ! -d "$dir" && AC_MSG_ERROR(['$dir' is not a directory])
 704     $2
 705   fi
 706 done
 707 IFS=$ac_save_ifs
 708 ])
 709
 710
 711 dnl Usage: LYX_ADD_LIB_DIR(var-name,dir) Adds a -L directive to variable
 712 dnl var-name.
 713 AC_DEFUN([LYX_ADD_LIB_DIR],[
 714 $1="${$1} -L$2"
 715 if test "`(uname) 2>/dev/null`" = SunOS &&
 716     uname -r | grep '^5' >/dev/null; then
 717   if test $GXX = yes ; then
 718     $1="${$1} -Wl[,]-R$2"
 719   else
 720     $1="${$1} -R$2"
 721   fi
 722 fi])
 723
 724
 725 dnl Usage: LYX_ADD_INC_DIR(var-name,dir) Adds a -I directive to variable
 726 dnl var-name.
 727 AC_DEFUN([LYX_ADD_INC_DIR],[$1="${$1} -I$2 "])
 728
 729 ### Check for a headers existence and location iff it exists
 730 ## This is supposed to be a generalised version of LYX_STL_STRING_FWD
 731 ## It almost works.  I've tried a few variations but they give errors
 732 ## of one sort or other: bad substitution or file not found etc.  The
 733 ## actual header _is_ found though and the cache variable is set however
 734 ## the reported setting (on screen) is equal to $ac_safe for some unknown
 735 ## reason.
 736 ## Additionally, autoheader can't figure out what to use as the name in
 737 ## the config.h.in file so we need to write our own entries there -- one for
 738 ## each header in the form PATH_HEADER_NAME_H
 739 ##
 740 AC_DEFUN([LYX_PATH_HEADER],
 741 [ AC_CHECK_HEADER($1,[
 742   ac_tr_safe=PATH_`echo $ac_safe | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
 743 ### the only remaining problem is getting the second parameter to this
 744 ### AC_CACHE_CACHE to print correctly. Currently it just results in value
 745 ### of $ac_safe being printed.
 746   AC_CACHE_CHECK([path to $1],[lyx_cv_path2_$ac_safe],
 747   [ cat > conftest.$ac_ext <<EOF
 748 #line __oline__ "configure"
 749 #include "confdefs.h"
 750
 751 #include <$1>
 752 EOF
 753 lyx_path_header_path=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \
 754   grep $1  2>/dev/null | \
 755   sed -e 's/.*\(".*$1"\).*/\1/' -e "1q"`
 756 eval "lyx_cv_path2_${ac_safe}=\$lyx_path_header_path"
 757 rm -f conftest*])
 758   AC_DEFINE_UNQUOTED($ac_tr_safe, $lyx_path_header_path, [dummy])])
 759 ])
 760 ### end of LYX_PATH_HEADER
 761
 762 ## Check what kind of packaging should be used at install time.
 763 ## The default is autodetected.
 764 AC_DEFUN([LYX_USE_PACKAGING],
 765 [AC_MSG_CHECKING([what packaging should be used])
 766 AC_ARG_WITH(packaging,
 767   [AS_HELP_STRING([--with-packaging=STR], [set packaging for installation among:
 768                             posix, windows, macosx, haiku (default is autodetected)])],
 769   [lyx_use_packaging="$withval"], [
 770   case $host in
 771     *-apple-darwin*) lyx_use_packaging=macosx ;;
 772     *-pc-mingw*) lyx_use_packaging=windows ;;
 773     *-mingw32*) lyx_use_packaging=windows ;;
 774     *haiku*) lyx_use_packaging=haiku ;;
 775     *) lyx_use_packaging=posix ;;
 776   esac])
 777 AC_MSG_RESULT($lyx_use_packaging)
 778 lyx_install_posix=false
 779 lyx_install_macosx=false
 780 lyx_install_cygwin=false
 781 lyx_install_windows=false
 782 case $lyx_use_packaging in
 783    macosx) AC_DEFINE(USE_MACOSX_PACKAGING, 1, [Define to 1 if LyX should use a MacOS X application bundle file layout])
 784            PACKAGE=LyX${version_suffix}
 785            default_prefix="/Applications/${PACKAGE}.app"
 786            AC_SUBST(osx_bundle_program_name,"${program_base_name}")
 787            bindir='${prefix}/Contents/MacOS'
 788            libdir='${prefix}/Contents/Resources'
 789            datarootdir='${prefix}/Contents/Resources'
 790            pkgdatadir='${datadir}'
 791            mandir='${datadir}/man'
 792            lyx_install_macosx=true ;;
 793   windows) AC_DEFINE(USE_WINDOWS_PACKAGING, 1, [Define to 1 if LyX should use a Windows-style file layout])
 794            PACKAGE=LyX${version_suffix}
 795            default_prefix="C:/Program Files/${PACKAGE}"
 796            bindir='${prefix}/bin'
 797            libdir='${prefix}/Resources'
 798            datarootdir='${prefix}/Resources'
 799            pkgdatadir='${datadir}'
 800            mandir='${prefix}/Resources/man'
 801            lyx_install_windows=true ;;
 802     posix) AC_DEFINE(USE_POSIX_PACKAGING, 1, [Define to 1 if LyX should use a POSIX-style file layout])
 803            PACKAGE=lyx${version_suffix}
 804            program_suffix=$version_suffix
 805            pkgdatadir='${datadir}/${PACKAGE}'
 806            default_prefix=$ac_default_prefix
 807            case ${host} in
 808              *cygwin*) lyx_install_cygwin=true ;;
 809              *apple-darwin*) lyx_install_macosx=true ;;
 810            esac
 811            lyx_install_posix=true ;;
 812         haiku) AC_DEFINE(USE_HAIKU_PACKAGING, 1, [Define to 1 if LyX should use a Haiku-style file layout])
 813            PACKAGE=lyx${version_suffix}
 814            program_suffix=$version_suffix
 815            pkgdatadir='${datadir}/${PACKAGE}'
 816            default_prefix=$ac_default_prefix
 817            lyx_install_posix=true ;;
 818     *) AC_MSG_ERROR([unknown packaging type $lyx_use_packaging.]) ;;
 819 esac
 820 AM_CONDITIONAL(INSTALL_MACOSX, $lyx_install_macosx)
 821 AM_CONDITIONAL(INSTALL_WINDOWS, $lyx_install_windows)
 822 AM_CONDITIONAL(INSTALL_CYGWIN, $lyx_install_cygwin)
 823 AM_CONDITIONAL(INSTALL_POSIX, $lyx_install_posix)
 824 AC_SUBST(pkgdatadir)
 825 AC_SUBST(program_suffix)
 826 ])
 827
 828
 829 ## ------------------------------------------------------------------------
 830 ## Check whether mkdir() is mkdir or _mkdir, and whether it takes
 831 ## one or two arguments.
 832 ##
 833 ## http://ac-archive.sourceforge.net/C_Support/ac_func_mkdir.html
 834 ## ------------------------------------------------------------------------
 835 ##
 836 AC_DEFUN([AC_FUNC_MKDIR],
 837 [AC_CHECK_FUNCS([mkdir _mkdir])
 838 AC_CACHE_CHECK([whether mkdir takes one argument],
 839                [ac_cv_mkdir_takes_one_arg],
 840 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 841 #include <sys/stat.h>
 842 #if HAVE_UNISTD_H
 843 #  include <unistd.h>
 844 #endif
 845 ]], [[mkdir (".");]])],[ac_cv_mkdir_takes_one_arg=yes],[ac_cv_mkdir_takes_one_arg=no])])
 846 if test x"$ac_cv_mkdir_takes_one_arg" = xyes; then
 847   AC_DEFINE([MKDIR_TAKES_ONE_ARG], 1,
 848             [Define if mkdir takes only one argument.])
 849 fi
 850 ])
 851
 852
 853 dnl Set VAR to the canonically resolved absolute equivalent of PATHNAME,
 854 dnl (which may be a relative path, and need not refer to any existing
 855 dnl entity).
 856
 857 dnl On Win32-MSYS build hosts, the returned path is resolved to its true
 858 dnl native Win32 path name, (but with slashes, not backslashes).
 859
 860 dnl On any other system, it is simply the result which would be obtained
 861 dnl if PATHNAME represented an existing directory, and the pwd command was
 862 dnl executed in that directory.
 863 AC_DEFUN([MSYS_AC_CANONICAL_PATH],
 864 [ac_dir="$2"
 865  ( exec 2>/dev/null; cd / && pwd -W ) | grep ':' >/dev/null &&
 866     ac_pwd_w="pwd -W" || ac_pwd_w=pwd
 867  until ac_val=`exec 2>/dev/null; cd "$ac_dir" && $ac_pwd_w`
 868  do
 869    ac_dir=`AS_DIRNAME(["$ac_dir"])`
 870  done
 871  ac_dir=`echo "$ac_dir" | sed 's?^[[./]]*??'`
 872  ac_val=`echo "$ac_val" | sed 's?/*$[]??'`
 873  $1=`echo "$2" | sed "s?^[[./]]*$ac_dir/*?$ac_val/?"'
 874    s?/*$[]??'`
 875 ])
 876
 877 dnl this is used by the macro blow to general a proper config.h.in entry
 878 m4_define([LYX_AH_CHECK_DECL],
 879 [AH_TEMPLATE(AS_TR_CPP(HAVE_DECL_$1),
 880   [Define if you have the prototype for function `$1'])])dnl`
 881
 882 dnl Check things are declared in headers to avoid errors or warnings.
 883 dnl Called like LYX_CHECK_DECL(function, header1 header2...)
 884 dnl Defines HAVE_DECL_{FUNCTION}
 885 AC_DEFUN([LYX_CHECK_DECL],
 886 [LYX_AH_CHECK_DECL($1)
 887 for ac_header in $2
 888 do
 889   AC_MSG_CHECKING([if $1 is declared by header $ac_header])
 890   AC_EGREP_HEADER($1, $ac_header,
 891       [AC_MSG_RESULT(yes)
 892        AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_DECL_$1))
 893        break],
 894       [AC_MSG_RESULT(no)])
 895 done])
 896
 897 dnl this is used by the macro below to generate a proper config.h.in entry
 898 m4_define([LYX_AH_CHECK_DEF],
 899 [AH_TEMPLATE(AS_TR_CPP(HAVE_DEF_$1),
 900   [Define to 1 if `$1' is defined in `$2'])])dnl'
 901
 902 dnl Check whether name is defined in header by using it in codesnippet.
 903 dnl Called like LYX_CHECK_DEF(name, header, codesnippet)
 904 dnl Defines HAVE_DEF_{NAME}
 905 AC_DEFUN([LYX_CHECK_DEF],
 906 [LYX_AH_CHECK_DEF($1, $2)
 907  AC_MSG_CHECKING([whether $1 is defined by header $2])
 908  save_CPPFLAGS=$CPPFLAGS
 909  CPPFLAGS="$AM_CPPFLAGS $CPPFLAGS"
 910  save_CXXFLAGS=$CXXFLAGS
 911  CXXFLAGS="$AM_CXXFLAGS $CXXFLAGS"
 912  AC_LANG_PUSH(C++)
 913  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <$2>]], [[$3]])],[lyx_have_def_name=yes],[lyx_have_def_name=no])
 914  AC_LANG_POP(C++)
 915  CXXFLAGS=$save_CXXFLAGS
 916  CPPFLAGS=$save_CPPFLAGS
 917  AC_MSG_RESULT($lyx_have_def_name)
 918  if test "x$lyx_have_def_name" = xyes; then
 919    AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_DEF_$1))
 920  fi
 921 ])
 922
 923 dnl Extract the single digits from PACKAGE_VERSION and make them available.
 924 dnl Defines LYX_MAJOR_VERSION, LYX_MINOR_VERSION, LYX_RELEASE_LEVEL,
 925 dnl LYX_RELEASE_PATCH (possibly equal to 0), LYX_DIR_VER, and LYX_USERDIR_VER.
 926 AC_DEFUN([LYX_SET_VERSION_INFO],
 927 [lyx_major=`echo $PACKAGE_VERSION | sed -e 's/[[.]].*//'`
 928  lyx_patch=`echo $PACKAGE_VERSION | sed -e "s/^$lyx_major//" -e 's/^.//'`
 929  lyx_minor=`echo $lyx_patch | sed -e 's/[[.]].*//'`
 930  lyx_patch=`echo $lyx_patch | sed -e "s/^$lyx_minor//" -e 's/^.//'`
 931  lyx_release=`echo $lyx_patch | sed -e 's/[[^0-9]].*//'`
 932  lyx_patch=`echo $lyx_patch | sed -e "s/^$lyx_release//" -e 's/^[[.]]//' -e 's/[[^0-9]].*//'`
 933  test "x$lyx_patch" = "x" && lyx_patch=0
 934  lyx_dir_ver=LYX_DIR_${lyx_major}${lyx_minor}x
 935  lyx_userdir_ver=LYX_USERDIR_${lyx_major}${lyx_minor}x
 936  AC_SUBST(LYX_MAJOR_VERSION,$lyx_major)
 937  AC_SUBST(LYX_MINOR_VERSION,$lyx_minor)
 938  AC_SUBST(LYX_RELEASE_LEVEL,$lyx_release)
 939  AC_SUBST(LYX_RELEASE_PATCH,$lyx_patch)
 940  AC_SUBST(LYX_DIR_VER,"$lyx_dir_ver")
 941  AC_SUBST(LYX_USERDIR_VER,"$lyx_userdir_ver")
 942 ])
 943