lyx_mirror/config/lyxinclude.m4
2020-11-03 16:22:20 +01:00

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dnl Some useful functions for LyXs configure.in -*- sh -*-
dnl Author: Jean-Marc Lasgouttes (Jean-Marc.Lasgouttes@inria.fr)
dnl Lars Gullik Bjønnes (larsbj@lyx.org)
dnl Allan Rae (rae@lyx.org)
dnl Compute the default build type from AC_PACKAGE_VERSION at autoconf time.
m4_define([LYX_BUILD_TYPE], [m4_bmatch(AC_PACKAGE_VERSION,
[dev], [development],
[pre\|alpha\|beta\|rc], [prerelease],
[release])])
dnl Usage LYX_CHECK_VERSION Displays version of LyX being built and
dnl sets variable "build_type"
AC_DEFUN([LYX_CHECK_VERSION],[
echo "configuring LyX version" AC_PACKAGE_VERSION
AC_MSG_CHECKING([for build type])
lyx_devel_version=no
lyx_prerelease=no
AC_ARG_ENABLE(build-type,
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)]),
[case $enableval in
dev*) build_type=development;;
pre*) build_type=prerelease;;
prof*) build_type=profiling;;
gprof*) build_type=gprof;;
rel*) build_type=release;;
*) AC_MSG_ERROR([bad build type specification '$enableval'. Please use one of rel(ease), pre(release), dev(elopment), prof(iling), or gprof]);;
esac],
[build_type=LYX_BUILD_TYPE])
AC_MSG_RESULT([$build_type])
lyx_flags="$lyx_flags build=$build_type"
case $build_type in
development) lyx_devel_version=yes
LYX_DATE="not released yet" ;;
prerelease) lyx_prerelease=yes ;;
esac
AC_SUBST(lyx_devel_version)
])
dnl Define the option to set a LyX version on installed executables and directories
dnl
dnl
AC_DEFUN([LYX_VERSION_SUFFIX],[
AC_MSG_CHECKING([for version suffix])
dnl We need the literal double quotes in the rpm spec file
RPM_VERSION_SUFFIX='""'
AC_ARG_WITH(version-suffix,
[AS_HELP_STRING([--with-version-suffix@<:@=STR@:>@], install lyx files as lyxSTR (default STR: -AC_PACKAGE_VERSION))],
[if test "x$withval" = "xyes";
then
withval="-"AC_PACKAGE_VERSION
ac_configure_args=`echo "$ac_configure_args" | sed "s,--with-version-suffix,--with-version-suffix=$withval,"`
fi
AC_SUBST(version_suffix,$withval)
RPM_VERSION_SUFFIX="--with-version-suffix=$withval"])
AC_SUBST(RPM_VERSION_SUFFIX)
AC_SUBST(program_base_name,"lyx")
AC_MSG_RESULT([$withval])
])
dnl Check whether to configure for Qt4 or Qt5. Default is Qt5.
dnl
AC_DEFUN([LYX_CHECK_QT5],[
AC_MSG_CHECKING([whether Qt5 is disabled])
AC_ARG_ENABLE([qt5],
[AS_HELP_STRING([--disable-qt5],[do not use Qt5 for building])],
USE_QT5=$enableval, USE_QT5=yes)
if test x$USE_QT5 != xno ; then
AC_MSG_RESULT([no])
else
AC_MSG_RESULT([yes])
fi
AC_SUBST([USE_QT5])
])
dnl Usage: LYX_WARNING(message) Displays the warning "message" and sets the
dnl flag lyx_warning to yes.
AC_DEFUN([LYX_WARNING],[
lyx_warning_txt="$lyx_warning_txt
== $1
"
lyx_warning=yes])
dnl Usage: LYX_LIB_ERROR(file,library) Displays an error message indication
dnl that 'file' cannot be found because 'lib' may be uncorrectly installed.
AC_DEFUN([LYX_LIB_ERROR],[
AC_MSG_ERROR([cannot find $1. Please check that the $2 library
is correctly installed on your system.])])
dnl Usage: LYX_CHECK_WARNINGS Displays a warning message if a LYX_WARNING
dnl has occurred previously.
AC_DEFUN([LYX_CHECK_WARNINGS],[
if test x$lyx_warning = xyes; then
cat <<EOF
=== The following minor problems have been detected by configure.
=== Please check the messages below before running 'make'.
=== (see the section 'Problems' in the INSTALL file)
$lyx_warning_txt
EOF
fi])
dnl LYX_SEARCH_PROG(VARIABLE-NAME,PROGRAMS-LIST,ACTION-IF-FOUND)
dnl
define(LYX_SEARCH_PROG,[dnl
for ac_prog in $2 ; do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog ; ac_word=$[2]
if test -z "[$]$1"; then
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
for ac_dir in $PATH; do
test -z "$ac_dir" && ac_dir=.
if test -f [$ac_dir/$ac_word]; then
$1="$ac_prog"
break
fi
done
IFS="$ac_save_ifs"
fi
if test -n "[$]$1"; then
ac_result=yes
else
ac_result=no
fi
ifelse($3,,,[$3])
test -n "[$]$1" && break
done
])dnl
dnl Usage: LYX_PROG_CLANG: set CLANG to yes if the compiler is clang.
AC_DEFUN([LYX_PROG_CLANG],
[AC_CACHE_CHECK([whether the compiler is clang],
[lyx_cv_prog_clang],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
#ifndef __clang__
this is not clang
#endif
]])],[lyx_cv_prog_clang=yes ; CLANG=yes],[lyx_cv_prog_clang=no ; CLANG=no])])
if test $CLANG = yes ; then
AC_CACHE_CHECK([for clang version],
[lyx_cv_clang_version],
[clang_noversion=no
AC_COMPUTE_INT(clang_major,__clang_major__,,[clang_noversion_=yes])
AC_COMPUTE_INT(clang_minor,__clang_minor__,,[clang_noversion_=yes])
AC_COMPUTE_INT(clang_patchlevel,__clang_patchlevel__,,[clang_noversion_=yes])
if test $clang_noversion = yes ; then
clang_version=unknown
else
clang_version=$clang_major.$clang_minor.$clang_patchlevel
fi
lyx_cv_clang_version=$clang_version])
fi
])
dnl Usage: LYX_CXX_CXX11_FLAGS(VERSION): add to AM_CXXFLAGS the best flag that
dnl selects C++11 mode; gives an error when C++11 mode is not found.
dnl VERSION is a list of years to try (e.g. 11 or {14,11}).
AC_DEFUN([LYX_CXX_CXX11_FLAGS],
[AC_CACHE_CHECK([for a good C++ mode], [lyx_cv_cxx11_flags],
[lyx_cv_cxx11_flags=none
for flag in `eval echo -std=c++$1 default -std=gnu++$1` ; do
if test $flag = default ; then
flag=
fi
save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$AM_CPPFLAGS $CPPFLAGS"
save_CXXFLAGS=$CXXFLAGS
CXXFLAGS="$flag $AM_CXXFLAGS $CXXFLAGS"
dnl sample openmp source code to test
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
template <typename T>
struct check
{
static_assert(sizeof(int) <= sizeof(T), "not big enough");
};
typedef check<check<bool>> right_angle_brackets;
class TestDeleted
{
public:
TestDeleted() = delete;
};
int a;
decltype(a) b;
typedef check<int> check_type;
check_type c;
check_type&& cr = static_cast<check_type&&>(c);
auto d = a;]], [[]])],[lyx_cv_cxx11_flags=$flag; break],[])
CXXFLAGS=$save_CXXFLAGS
CPPFLAGS=$save_CPPFLAGS
done])
if test x$lyx_cv_cxx11_flags = xnone ; then
AC_MSG_ERROR([Cannot find suitable mode for compiler $CXX])
fi
AM_CXXFLAGS="$lyx_cv_cxx11_flags $AM_CXXFLAGS"
])
dnl Usage: LYX_CXX_USE_REGEX
dnl decide whether we want to use std::regex and set the
dnl LYX_USE_STD_REGEX macro and conditional accordingly.
AC_DEFUN([LYX_CXX_USE_REGEX],
[AC_ARG_ENABLE(std-regex,
AS_HELP_STRING([--enable-std-regex],[use std::regex instead of boost::regex (default is autodetected)]),
[lyx_std_regex=$enableval],
[AC_MSG_CHECKING([for correct regex implementation])
save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$AM_CPPFLAGS $CPPFLAGS"
save_CXXFLAGS=$CXXFLAGS
CXXFLAGS="$AM_CXXFLAGS $CXXFLAGS"
# The following code snippet has been taken taken from example in
# http://stackoverflow.com/questions/8561850/compile-stdregex-iterator-with-gcc
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <regex>
#include <iostream>
#include <string.h>
typedef std::regex_iterator<const char *> Myiter;
]], [[
const char *pat = "axayaz";
Myiter::regex_type rx("a");
Myiter next(pat, pat + strlen(pat), rx);
Myiter end;
]])],[lyx_std_regex=yes],[lyx_std_regex=no])
CXXFLAGS=$save_CXXFLAGS
CPPFLAGS=$save_CPPFLAGS
AC_MSG_RESULT([$lyx_std_regex])
])
if test $lyx_std_regex = yes ; then
lyx_flags="$lyx_flags std-regex"
AC_DEFINE([LYX_USE_STD_REGEX], 1, [define to 1 if std::regex should be preferred to boost::regex])
fi
AM_CONDITIONAL([LYX_USE_STD_REGEX], test $lyx_std_regex = yes)
])
dnl Usage: LYX_CXX_USE_CALL_ONCE
dnl check whether we can use std::call_once and set the
dnl LYX_USE_STD_CALL_ONCE macro and conditional accordingly.
AC_DEFUN([LYX_CXX_USE_CALL_ONCE],
[AC_MSG_CHECKING([for std::call_once availability])
save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$AM_CPPFLAGS $CPPFLAGS"
save_CXXFLAGS=$CXXFLAGS
CXXFLAGS="$AM_CXXFLAGS $CXXFLAGS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <mutex>
static std::once_flag flag;
]], [[
std::call_once(flag, [](){ return; });
]])],[lyx_std_call_once=yes],[lyx_std_call_once=no])
CXXFLAGS=$save_CXXFLAGS
CPPFLAGS=$save_CPPFLAGS
AC_MSG_RESULT([$lyx_std_call_once])
if test $lyx_std_call_once = yes ; then
AC_DEFINE([LYX_USE_STD_CALL_ONCE], 1, [define to 1 if std::call_once is supported by the compiler])
fi
AM_CONDITIONAL([LYX_USE_STD_CALL_ONCE], test $lyx_std_call_once = yes)
])
dnl Usage: LYX_LIB_STDCXX: set lyx_cv_lib_stdcxx to yes if the STL library is libstdc++.
AC_DEFUN([LYX_LIB_STDCXX],
[AC_CACHE_CHECK([whether STL is libstdc++],
[lyx_cv_lib_stdcxx],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include<vector>]], [[
#if ! defined(__GLIBCXX__) && ! defined(__GLIBCPP__)
this is not libstdc++
#endif
]])],[lyx_cv_lib_stdcxx=yes],[lyx_cv_lib_stdcxx=no])])
])
dnl Usage: LYX_LIB_STDCXX_CXX11_ABI: set lyx_cv_lib_stdcxx_cxx11_abi to yes
dnl if the STL library is GNU libstdc++ and the C++11 ABI is used.
AC_DEFUN([LYX_LIB_STDCXX_CXX11_ABI],
[AC_CACHE_CHECK([whether STL is libstdc++ using the C++11 ABI],
[lyx_cv_lib_stdcxx_cxx11_abi],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include<vector>]], [[
#if ! defined(_GLIBCXX_USE_CXX11_ABI) || ! _GLIBCXX_USE_CXX11_ABI
this is not libstdc++ using the C++11 ABI
#endif
]])],[lyx_cv_lib_stdcxx_cxx11_abi=yes],[lyx_cv_lib_stdcxx_cxx11_abi=no])])
])
AC_DEFUN([LYX_PROG_CXX],
[AC_REQUIRE([AC_PROG_CXX])
AC_REQUIRE([AC_PROG_CXXCPP])
### We might want to force the C++ standard.
AC_ARG_ENABLE(cxx-mode,
AS_HELP_STRING([--enable-cxx-mode],[choose C++ standard (default: 14, then 11)]),,
[enable_cxx_mode={14,11}]
)
AC_LANG_PUSH(C++)
LYX_PROG_CLANG
LYX_CXX_CXX11_FLAGS($enable_cxx_mode)
LYX_LIB_STDCXX
LYX_LIB_STDCXX_CXX11_ABI
LYX_CXX_USE_REGEX
LYX_CXX_USE_CALL_ONCE
AC_LANG_POP(C++)
if test $lyx_cv_lib_stdcxx = "yes" ; then
if test $lyx_cv_lib_stdcxx_cxx11_abi = "yes" ; then
AC_DEFINE(USE_GLIBCXX_CXX11_ABI, 1, [use GNU libstdc++ with C++11 ABI])
else
AC_DEFINE(STD_STRING_USES_COW, 1, [std::string uses copy-on-write])
fi
else
if test $lyx_cv_prog_clang = "yes" ; then
AC_DEFINE(USE_LLVM_LIBCPP, 1, [use libc++ provided by llvm instead of GNU libstdc++])
fi
fi
### We might want to get or shut warnings.
AC_ARG_ENABLE(warnings,
AS_HELP_STRING([--enable-warnings],[tell the compiler to display more warnings]),,
[ if test $lyx_devel_version = yes -o $lyx_prerelease = yes && test $GXX = yes ; then
enable_warnings=yes;
else
enable_warnings=no;
fi;])
if test x$enable_warnings = xyes ; then
lyx_flags="$lyx_flags warnings"
fi
### We might want to disable debug
AC_ARG_ENABLE(debug,
AS_HELP_STRING([--enable-debug],[enable debug information]),,
[AS_CASE([$build_type], [rel*], [enable_debug=no], [enable_debug=yes])]
)
AC_ARG_ENABLE(stdlib-debug,
AS_HELP_STRING([--enable-stdlib-debug],[enable debug mode in the standard library]),,
[AS_CASE([$build_type], [dev*], [enable_stdlib_debug=yes],
[enable_stdlib_debug=no])]
)
### set up optimization
AC_ARG_ENABLE(optimization,
AS_HELP_STRING([--enable-optimization@<:@=ARG@:>@],[enable compiler optimisation]),,
enable_optimization=yes;)
case $enable_optimization in
yes)
if test $lyx_devel_version = yes ; then
lyx_optim=-O
else
lyx_optim=-O2
fi;;
no) lyx_optim=;;
*) lyx_optim=${enable_optimization};;
esac
AC_ARG_ENABLE(assertions,
AS_HELP_STRING([--enable-assertions],[add runtime sanity checks in the program]),,
[AS_CASE([$build_type], [dev*|pre*], [enable_assertions=yes],
[enable_assertions=no])]
)
if test "x$enable_assertions" = xyes ; then
lyx_flags="$lyx_flags assertions"
AC_DEFINE(ENABLE_ASSERTIONS,1,
[Define if you want assertions to be enabled in the code])
fi
# set the compiler options correctly.
if test x$GXX = xyes; then
dnl clang++ pretends to be g++ 4.2.1; this is not useful
if test x$CLANG = xno; then
dnl Useful for global version info
gxx_version=`${CXX} -dumpversion`
case $gxx_version in
*.*) ;;
*) gxx_version=`${CXX} -dumpfullversion` ;;
esac
CXX_VERSION="($gxx_version)"
else
gxx_version=clang-$clang_version
CXX_VERSION="($clang_version)"
fi
AM_CXXFLAGS="$lyx_optim $AM_CXXFLAGS"
if test x$enable_debug = xyes ; then
AM_CXXFLAGS="-g $AM_CXXFLAGS"
fi
if test $build_type = gprof ; then
AM_CXXFLAGS="$AM_CXXFLAGS -pg"
AM_LDFLAGS="$AM_LDFLAGS -pg"
fi
if test $build_type = profiling ; then
AM_CXXFLAGS="$AM_CXXFLAGS -fno-omit-frame-pointer"
fi
if test x$USE_QT5 = xyes ; then
AS_CASE([$host], [*mingw*|*cygwin*], [], [AM_CXXFLAGS="-fPIC $AM_CXXFLAGS"])
fi
dnl Warnings are for preprocessor too
if test x$enable_warnings = xyes ; then
AM_CPPFLAGS="$AM_CPPFLAGS -Wall -Wextra"
dnl Shut off warning -Wdeprecated-copy, which triggers too much
dnl note that g++ always accepts -Wno-xxx, even when -Wxxx is an error.
AC_LANG_PUSH(C++)
AX_CHECK_COMPILE_FLAG([-Wno-deprecated-copy],
[AM_CXXFLAGS="$AM_CXXFLAGS -Wno-deprecated-copy"], [], [-Werror])
AC_LANG_POP(C++)
fi
case $gxx_version in
2.*|3.*|4.@<:@0-6@:>@) AC_MSG_ERROR([gcc >= 4.7 is required]);;
esac
if test x$enable_stdlib_debug = xyes ; then
dnl FIXME: for clang/libc++, one should define _LIBCPP_DEBUG2=0
dnl See http://clang-developers.42468.n3.nabble.com/libc-debug-mode-td3336742.html
if test x$lyx_cv_lib_stdcxx = xyes ; then
lyx_flags="$lyx_flags stdlib-debug"
AC_DEFINE(_GLIBCXX_DEBUG, 1, [libstdc++ debug mode])
AC_DEFINE(_GLIBCXX_DEBUG_PEDANTIC, 1, [libstdc++ pedantic debug mode])
AC_SUBST(STDLIB_DEBUG, "-D_GLIBCXX_DEBUG -D_GLIBCXX_DEBUG_PEDANTIC")
else
enable_stdlib_debug=no
fi
fi
fi
# Some additional flags may be needed
if test x$GXX = xyes; then
case $gxx_version in
clang-3.0*|clang-3.1*|clang-3.2*|clang-3.3*)
dnl boost contains pragmas that are annoying on older clang versions
AM_CPPFLAGS="-Wno-unknown-pragmas $AM_CPPFLAGS";;
clang*)
dnl the more recent versions support the deprecated-register warning,
dnl which is very annoying with Qt4.x right now.
AM_CXXFLAGS="$AM_CXXFLAGS -Wno-deprecated-register";;
esac
fi
])
dnl Usage: LYX_USE_INCLUDED_BOOST : select if the included boost should
dnl be used.
AC_DEFUN([LYX_USE_INCLUDED_BOOST],[
AC_MSG_CHECKING([whether to use included boost library])
AC_ARG_WITH(included-boost,
[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])],
[lyx_cv_with_included_boost=$withval],
[lyx_cv_with_included_boost=yes])
AM_CONDITIONAL(USE_INCLUDED_BOOST, test x$lyx_cv_with_included_boost = xyes)
AC_MSG_RESULT([$lyx_cv_with_included_boost])
if test x$lyx_cv_with_included_boost = xyes ; then
lyx_included_libs="$lyx_included_libs boost"
BOOST_INCLUDES='-I$(top_srcdir)/3rdparty/boost'
if test $lyx_std_regex = yes ; then
BOOST_LIBS=""
else
BOOST_LIBS='$(top_builddir)/3rdparty/boost/liblyxboost.a'
fi
else
BOOST_INCLUDES=
if test $lyx_std_regex = yes ; then
BOOST_LIBS=""
else
AC_LANG_PUSH(C++)
save_LIBS=$LIBS
AC_MSG_CHECKING([for multithreaded boost libraries])
LIBS="$save_LIBS -lboost_regex-mt $LIBTHREAD"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <boost/regex.hpp>],
[boost::regex reg;])],
[AC_MSG_RESULT([yes])
BOOST_MT="-mt"],
[AC_MSG_RESULT([no])
AC_MSG_CHECKING([for plain boost libraries])
LIBS="$save_LIBS -lboost_regex"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <boost/regex.hpp>],
[boost::regex reg;])],
[AC_MSG_RESULT([yes])
BOOST_MT=""],
[AC_MSG_RESULT([no])
AC_MSG_ERROR([cannot find suitable boost library (do not use --without-included-boost)])
])
])
LIBS=$save_LIBS
AC_LANG_POP(C++)
dnl In general, system boost libraries are incompatible with
dnl the use of stdlib-debug in libstdc++. See ticket #9736 for
dnl details.
if test $enable_stdlib_debug = "yes" ; then
LYX_WARNING([Compiling LyX with stdlib-debug and system boost libraries may lead to
crashes. Consider using --disable-stdlib-debug or removing
--without-included-boost.])
fi
BOOST_LIBS="-lboost_regex${BOOST_MT}"
fi
fi
AC_SUBST(BOOST_INCLUDES)
AC_SUBST(BOOST_LIBS)
])
dnl Usage: LYX_USE_INCLUDED_ICONV : select if the included iconv should
dnl be used.
AC_DEFUN([LYX_USE_INCLUDED_ICONV],[
AC_MSG_CHECKING([whether to use included iconv library])
AC_ARG_WITH(included-iconv,
[AS_HELP_STRING([--with-included-iconv], [use the iconv lib supplied with LyX instead of the system one])],
[lyx_cv_with_included_iconv=$withval],
[lyx_cv_with_included_iconv=no])
AM_CONDITIONAL(USE_INCLUDED_ICONV, test x$lyx_cv_with_included_iconv = xyes)
AC_MSG_RESULT([$lyx_cv_with_included_iconv])
if test x$lyx_cv_with_included_iconv = xyes ; then
lyx_included_libs="$lyx_included_libs iconv"
dnl Some bits from libiconv configure.ac to avoid a nested configure call:
AC_EILSEQ
AC_TYPE_MBSTATE_T
AC_CHECK_FUNCS([getc_unlocked mbrtowc wcrtomb mbsinit setlocale])
dnl Ymbstate_t is used if HAVE_WCRTOMB || HAVE_MBRTOWC, see 3rdparty/libiconv/1.14/lib/loop_wchar.h.
if test $ac_cv_func_wcrtomb = yes || test $ac_cv_func_mbrtowc = yes; then
USE_MBSTATE_T=1
else
USE_MBSTATE_T=0
fi
AC_SUBST([USE_MBSTATE_T])
AC_CACHE_CHECK([whether <wchar.h> is standalone],
[gl_cv_header_wchar_h_standalone],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <wchar.h>
wchar_t w;]],
[[]])],
[gl_cv_header_wchar_h_standalone=yes],
[gl_cv_header_wchar_h_standalone=no])])
if test $gl_cv_header_wchar_h_standalone = yes; then
BROKEN_WCHAR_H=0
else
BROKEN_WCHAR_H=1
fi
AC_SUBST([BROKEN_WCHAR_H])
dnl we want const correctness
AC_DEFINE_UNQUOTED([ICONV_CONST], [const],
[Define as const if the declaration of iconv() needs const.])
ICONV_CONST=const
AC_SUBST([ICONV_CONST])
dnl we build a static lib
DLL_VARIABLE=
AC_SUBST([DLL_VARIABLE])
ICONV_INCLUDES='-I$(top_srcdir)/3rdparty/libiconv/1.14 -I$(top_builddir)/3rdparty/libiconv'
ICONV_LIBS='\$(top_builddir)/3rdparty/libiconv/liblyxiconv.a'
ICONV_ICONV_H_IN=3rdparty/libiconv/iconv.h:3rdparty/libiconv/1.14/include/iconv.h.in
else
ICONV_INCLUDES=
AM_ICONV
if test "$am_cv_func_iconv" = no; then
AC_MSG_ERROR([cannot find required library iconv.])
else
ICONV_LIBS="$LIBICONV"
fi
ICONV_ICONV_H_IN=
fi
AC_SUBST(ICONV_INCLUDES)
AC_SUBST(ICONV_LIBS)
AC_SUBST(ICONV_ICONV_H_IN)
])
dnl Usage: LYX_USE_INCLUDED_ZLIB : select if the included zlib should
dnl be used.
AC_DEFUN([LYX_USE_INCLUDED_ZLIB],[
AC_MSG_CHECKING([whether to use included zlib library])
AC_ARG_WITH(included-zlib,
[AS_HELP_STRING([--with-included-zlib], [use the zlib lib supplied with LyX instead of the system one])],
[lyx_cv_with_included_zlib=$withval],
[lyx_cv_with_included_zlib=no])
AM_CONDITIONAL(USE_INCLUDED_ZLIB, test x$lyx_cv_with_included_zlib = xyes)
AC_MSG_RESULT([$lyx_cv_with_included_zlib])
if test x$lyx_cv_with_included_zlib = xyes ; then
lyx_included_libs="$lyx_included_libs zlib"
ZLIB_INCLUDES='-I$(top_srcdir)/3rdparty/zlib/1.2.8 -I$(top_builddir)/3rdparty/zlib'
ZLIB_LIBS='$(top_builddir)/3rdparty/zlib/liblyxzlib.a'
mkdir -p 3rdparty/zlib
dnl include standard config.h for HAVE_UNISTD_H
echo "#include <../../config.h>" > 3rdparty/zlib/zconf.h
dnl prevent clash with system zlib that might be dragged in by other libs
echo "#define Z_PREFIX 1" >> 3rdparty/zlib/zconf.h
cat "${srcdir}/3rdparty/zlib/1.2.8/zconf.h.in" >> 3rdparty/zlib/zconf.h
else
ZLIB_INCLUDES=
AC_CHECK_HEADERS(zlib.h,
[AC_CHECK_LIB(z, gzopen, [ZLIB_LIBS="-lz"], LYX_LIB_ERROR(libz,zlib))],
[LYX_LIB_ERROR(zlib.h,zlib)])
fi
AC_SUBST(ZLIB_INCLUDES)
AC_SUBST(ZLIB_LIBS)
])
dnl Usage: LYX_BUILD_INCLUDED_DTL : select if the included dtl should
dnl be built and installed.
AC_DEFUN([LYX_BUILD_INCLUDED_DTL],[
AC_MSG_CHECKING([whether to build dv2dt and dt2dv])
AC_ARG_WITH(included-dtl,
[AS_HELP_STRING([--with-included-dtl], [build and install the dv2dt and dt2dv programs supplied with LyX])],
[lyx_cv_with_included_dtl=$withval],
[lyx_cv_with_included_dtl=no])
AM_CONDITIONAL(BUILD_INCLUDED_DTL, test x$lyx_cv_with_included_dtl = xyes)
AC_MSG_RESULT([$lyx_cv_with_included_dtl])
if test x$lyx_cv_with_included_dtl = xyes ; then
lyx_flags="$lyx_flags build-dtl"
fi])
dnl Usage: LYX_CHECK_CALLSTACK_PRINTING: define LYX_CALLSTACK_PRINTING if the
dnl necessary APIs are available to print callstacks.
AC_DEFUN([LYX_CHECK_CALLSTACK_PRINTING],
[AC_ARG_ENABLE([callstack-printing],
[AS_HELP_STRING([--disable-callstack-printing],[do not print a callstack when crashing])],
lyx_cv_callstack_printing=$enableval, lyx_cv_callstack_printing=yes)
if test x"$lyx_cv_callstack_printing" = xyes; then
AC_CACHE_CHECK([whether printing callstack is possible],
[lyx_cv_callstack_printing],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <execinfo.h>
#include <cxxabi.h>
]], [[
void* array[200];
size_t size = backtrace(array, 200);
backtrace_symbols(array, size);
int status = 0;
abi::__cxa_demangle("abcd", 0, 0, &status);
]])],[],[lyx_cv_callstack_printing=no])])
fi
if test x"$lyx_cv_callstack_printing" = xyes; then
AC_DEFINE([LYX_CALLSTACK_PRINTING], 1,
[Define if callstack can be printed])
lyx_flags="$lyx_flags callback-printing"
AM_LDFLAGS="${AM_LDFLAGS} -rdynamic"
fi
])
dnl Usage: LYX_USE_INCLUDED_MYTHES : select if the included MyThes should
dnl be used.
AC_DEFUN([LYX_USE_INCLUDED_MYTHES],[
AC_ARG_WITH(included-mythes,
[AS_HELP_STRING([--with-included-mythes], [force to use the MyThes lib supplied with LyX])],
[use_included_mythes=$withval],
[use_included_mythes=no])
if test x$use_included_mythes != xyes ; then
AC_LANG_PUSH(C++)
use_included_mythes=yes
AC_CHECK_HEADERS([mythes.hxx mythes/mythes.hxx],
[mythes_h_location="<$ac_header>"
save_LIBS=$LIBS
AC_MSG_CHECKING([checking for MyThes library])
for ac_lib in mythes mythes-1.2 ; do
LIBS="-l$ac_lib $save_LIBS"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <cstdio>]
[#include $mythes_h_location], [MyThes dummy("idx","dat")])],
[MYTHES_LIBS=-l$ac_lib
AC_MSG_RESULT([$MYTHES_LIBS])
use_included_mythes=no])
done
if test $use_included_mythes != no ; then
AC_MSG_RESULT([not found])
fi
break])
AC_LANG_POP(C++)
fi
if test $use_included_mythes = yes ; then
mythes_h_location="<mythes.hxx>"
MYTHES_INCLUDES='-I$(top_srcdir)/3rdparty/mythes/1.2.5/'
MYTHES_LIBS='$(top_builddir)/3rdparty/mythes/liblyxmythes.a'
lyx_included_libs="$lyx_included_libs mythes"
fi
AM_CONDITIONAL(USE_INCLUDED_MYTHES, test x$use_included_mythes = xyes)
AC_DEFINE_UNQUOTED(MYTHES_H_LOCATION,$mythes_h_location,[Location of mythes.hxx])
AC_SUBST(MYTHES_INCLUDES)
AC_SUBST(MYTHES_LIBS)
AC_MSG_CHECKING([whether to use included MyThes library])
AC_MSG_RESULT([$use_included_mythes])
])
dnl Usage: LYX_WITH_DIR(dir-name,desc,dir-var-name,default-value,
dnl [default-yes-value])
dnl Adds a --with-'dir-name' option (described by 'desc') and puts the
dnl resulting directory name in 'dir-var-name'.
AC_DEFUN([LYX_WITH_DIR],[
AC_ARG_WITH($1,[AS_HELP_STRING([--with-$1],[specify $2])])
AC_MSG_CHECKING([for $2])
if test -z "$with_$3"; then
AC_CACHE_VAL(lyx_cv_$3, lyx_cv_$3=$4)
else
test "x$with_$3" = xyes && with_$3=$5
lyx_cv_$3="$with_$3"
fi
AC_MSG_RESULT($lyx_cv_$3)
])
dnl Usage: LYX_LOOP_DIR(value,action)
dnl Executes action for values of variable `dir' in `values'. `values' can
dnl use ":" as a separator.
AC_DEFUN([LYX_LOOP_DIR],[
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
for dir in `eval "echo $1"`; do
if test ! "$dir" = NONE; then
test ! -d "$dir" && AC_MSG_ERROR(['$dir' is not a directory])
$2
fi
done
IFS=$ac_save_ifs
])
dnl Usage: LYX_ADD_LIB_DIR(var-name,dir) Adds a -L directive to variable
dnl var-name.
AC_DEFUN([LYX_ADD_LIB_DIR],[
$1="${$1} -L$2"
if test "`(uname) 2>/dev/null`" = SunOS &&
uname -r | grep '^5' >/dev/null; then
if test $GXX = yes ; then
$1="${$1} -Wl[,]-R$2"
else
$1="${$1} -R$2"
fi
fi])
dnl Usage: LYX_ADD_INC_DIR(var-name,dir) Adds a -I directive to variable
dnl var-name.
AC_DEFUN([LYX_ADD_INC_DIR],[$1="${$1} -I$2 "])
### Check for a headers existence and location iff it exists
## This is supposed to be a generalised version of LYX_STL_STRING_FWD
## It almost works. I've tried a few variations but they give errors
## of one sort or other: bad substitution or file not found etc. The
## actual header _is_ found though and the cache variable is set however
## the reported setting (on screen) is equal to $ac_safe for some unknown
## reason.
## Additionally, autoheader can't figure out what to use as the name in
## the config.h.in file so we need to write our own entries there -- one for
## each header in the form PATH_HEADER_NAME_H
##
AC_DEFUN([LYX_PATH_HEADER],
[ AC_CHECK_HEADER($1,[
ac_tr_safe=PATH_`echo $ac_safe | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
### the only remaining problem is getting the second parameter to this
### AC_CACHE_CACHE to print correctly. Currently it just results in value
### of $ac_safe being printed.
AC_CACHE_CHECK([path to $1],[lyx_cv_path2_$ac_safe],
[ cat > conftest.$ac_ext <<EOF
#line __oline__ "configure"
#include "confdefs.h"
#include <$1>
EOF
lyx_path_header_path=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \
grep $1 2>/dev/null | \
sed -e 's/.*\(".*$1"\).*/\1/' -e "1q"`
eval "lyx_cv_path2_${ac_safe}=\$lyx_path_header_path"
rm -f conftest*])
AC_DEFINE_UNQUOTED($ac_tr_safe, $lyx_path_header_path, [dummy])])
])
### end of LYX_PATH_HEADER
## Check what kind of packaging should be used at install time.
## The default is autodetected.
AC_DEFUN([LYX_USE_PACKAGING],
[AC_MSG_CHECKING([what packaging should be used])
AC_ARG_WITH(packaging,
[AS_HELP_STRING([--with-packaging=STR], [set packaging for installation among:
posix, windows, macosx, haiku (default is autodetected)])],
[lyx_use_packaging="$withval"], [
case $host in
*-apple-darwin*) lyx_use_packaging=macosx ;;
*-pc-mingw*) lyx_use_packaging=windows ;;
*-mingw32*) lyx_use_packaging=windows ;;
*haiku*) lyx_use_packaging=haiku ;;
*) lyx_use_packaging=posix ;;
esac])
AC_MSG_RESULT($lyx_use_packaging)
lyx_install_posix=false
lyx_install_macosx=false
lyx_install_cygwin=false
lyx_install_windows=false
case $lyx_use_packaging in
macosx) AC_DEFINE(USE_MACOSX_PACKAGING, 1, [Define to 1 if LyX should use a MacOS X application bundle file layout])
PACKAGE=LyX${version_suffix}
default_prefix="/Applications/${PACKAGE}.app"
AC_SUBST(osx_bundle_program_name,"${program_base_name}")
bindir='${prefix}/Contents/MacOS'
libdir='${prefix}/Contents/Resources'
datarootdir='${prefix}/Contents/Resources'
pkgdatadir='${datadir}'
mandir='${datadir}/man'
lyx_install_macosx=true ;;
windows) AC_DEFINE(USE_WINDOWS_PACKAGING, 1, [Define to 1 if LyX should use a Windows-style file layout])
PACKAGE=LyX${version_suffix}
default_prefix="C:/Program Files/${PACKAGE}"
bindir='${prefix}/bin'
libdir='${prefix}/Resources'
datarootdir='${prefix}/Resources'
pkgdatadir='${datadir}'
mandir='${prefix}/Resources/man'
lyx_install_windows=true ;;
posix) AC_DEFINE(USE_POSIX_PACKAGING, 1, [Define to 1 if LyX should use a POSIX-style file layout])
PACKAGE=lyx${version_suffix}
program_suffix=$version_suffix
pkgdatadir='${datadir}/${PACKAGE}'
default_prefix=$ac_default_prefix
case ${host} in
*cygwin*) lyx_install_cygwin=true ;;
*apple-darwin*) lyx_install_macosx=true ;;
esac
lyx_install_posix=true ;;
haiku) AC_DEFINE(USE_HAIKU_PACKAGING, 1, [Define to 1 if LyX should use a Haiku-style file layout])
PACKAGE=lyx${version_suffix}
program_suffix=$version_suffix
pkgdatadir='${datadir}/${PACKAGE}'
default_prefix=$ac_default_prefix
lyx_install_posix=true ;;
*) AC_MSG_ERROR([unknown packaging type $lyx_use_packaging.]) ;;
esac
AM_CONDITIONAL(INSTALL_MACOSX, $lyx_install_macosx)
AM_CONDITIONAL(INSTALL_WINDOWS, $lyx_install_windows)
AM_CONDITIONAL(INSTALL_CYGWIN, $lyx_install_cygwin)
AM_CONDITIONAL(INSTALL_POSIX, $lyx_install_posix)
AC_SUBST(pkgdatadir)
AC_SUBST(program_suffix)
])
## ------------------------------------------------------------------------
## Check whether mkdir() is mkdir or _mkdir, and whether it takes
## one or two arguments.
##
## http://ac-archive.sourceforge.net/C_Support/ac_func_mkdir.html
## ------------------------------------------------------------------------
##
AC_DEFUN([AC_FUNC_MKDIR],
[AC_CHECK_FUNCS([mkdir _mkdir])
AC_CACHE_CHECK([whether mkdir takes one argument],
[ac_cv_mkdir_takes_one_arg],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/stat.h>
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
]], [[mkdir (".");]])],[ac_cv_mkdir_takes_one_arg=yes],[ac_cv_mkdir_takes_one_arg=no])])
if test x"$ac_cv_mkdir_takes_one_arg" = xyes; then
AC_DEFINE([MKDIR_TAKES_ONE_ARG], 1,
[Define if mkdir takes only one argument.])
fi
])
dnl Set VAR to the canonically resolved absolute equivalent of PATHNAME,
dnl (which may be a relative path, and need not refer to any existing
dnl entity).
dnl On Win32-MSYS build hosts, the returned path is resolved to its true
dnl native Win32 path name, (but with slashes, not backslashes).
dnl On any other system, it is simply the result which would be obtained
dnl if PATHNAME represented an existing directory, and the pwd command was
dnl executed in that directory.
AC_DEFUN([MSYS_AC_CANONICAL_PATH],
[ac_dir="$2"
( exec 2>/dev/null; cd / && pwd -W ) | grep ':' >/dev/null &&
ac_pwd_w="pwd -W" || ac_pwd_w=pwd
until ac_val=`exec 2>/dev/null; cd "$ac_dir" && $ac_pwd_w`
do
ac_dir=`AS_DIRNAME(["$ac_dir"])`
done
ac_dir=`echo "$ac_dir" | sed 's?^[[./]]*??'`
ac_val=`echo "$ac_val" | sed 's?/*$[]??'`
$1=`echo "$2" | sed "s?^[[./]]*$ac_dir/*?$ac_val/?"'
s?/*$[]??'`
])
dnl this is used by the macro blow to general a proper config.h.in entry
m4_define([LYX_AH_CHECK_DECL],
[AH_TEMPLATE(AS_TR_CPP(HAVE_DECL_$1),
[Define if you have the prototype for function `$1'])])dnl`
dnl Check things are declared in headers to avoid errors or warnings.
dnl Called like LYX_CHECK_DECL(function, header1 header2...)
dnl Defines HAVE_DECL_{FUNCTION}
AC_DEFUN([LYX_CHECK_DECL],
[LYX_AH_CHECK_DECL($1)
for ac_header in $2
do
AC_MSG_CHECKING([if $1 is declared by header $ac_header])
AC_EGREP_HEADER($1, $ac_header,
[AC_MSG_RESULT(yes)
AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_DECL_$1))
break],
[AC_MSG_RESULT(no)])
done])
dnl this is used by the macro below to generate a proper config.h.in entry
m4_define([LYX_AH_CHECK_DEF],
[AH_TEMPLATE(AS_TR_CPP(HAVE_DEF_$1),
[Define to 1 if `$1' is defined in `$2'])])dnl'
dnl Check whether name is defined in header by using it in codesnippet.
dnl Called like LYX_CHECK_DEF(name, header, codesnippet)
dnl Defines HAVE_DEF_{NAME}
AC_DEFUN([LYX_CHECK_DEF],
[LYX_AH_CHECK_DEF($1, $2)
AC_MSG_CHECKING([whether $1 is defined by header $2])
save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$AM_CPPFLAGS $CPPFLAGS"
save_CXXFLAGS=$CXXFLAGS
CXXFLAGS="$AM_CXXFLAGS $CXXFLAGS"
AC_LANG_PUSH(C++)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <$2>]], [[$3]])],[lyx_have_def_name=yes],[lyx_have_def_name=no])
AC_LANG_POP(C++)
CXXFLAGS=$save_CXXFLAGS
CPPFLAGS=$save_CPPFLAGS
AC_MSG_RESULT($lyx_have_def_name)
if test "x$lyx_have_def_name" = xyes; then
AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_DEF_$1))
fi
])
dnl Extract the single digits from PACKAGE_VERSION and make them available.
dnl Defines LYX_MAJOR_VERSION, LYX_MINOR_VERSION, LYX_RELEASE_LEVEL,
dnl LYX_RELEASE_PATCH (possibly equal to 0), LYX_DIR_VER, and LYX_USERDIR_VER.
AC_DEFUN([LYX_SET_VERSION_INFO],
[lyx_major=`echo $PACKAGE_VERSION | sed -e 's/[[.]].*//'`
lyx_patch=`echo $PACKAGE_VERSION | sed -e "s/^$lyx_major//" -e 's/^.//'`
lyx_minor=`echo $lyx_patch | sed -e 's/[[.]].*//'`
lyx_patch=`echo $lyx_patch | sed -e "s/^$lyx_minor//" -e 's/^.//'`
lyx_release=`echo $lyx_patch | sed -e 's/[[^0-9]].*//'`
lyx_patch=`echo $lyx_patch | sed -e "s/^$lyx_release//" -e 's/^[[.]]//' -e 's/[[^0-9]].*//'`
test "x$lyx_patch" = "x" && lyx_patch=0
lyx_dir_ver=LYX_DIR_${lyx_major}${lyx_minor}x
lyx_userdir_ver=LYX_USERDIR_${lyx_major}${lyx_minor}x
AC_SUBST(LYX_MAJOR_VERSION,$lyx_major)
AC_SUBST(LYX_MINOR_VERSION,$lyx_minor)
AC_SUBST(LYX_RELEASE_LEVEL,$lyx_release)
AC_SUBST(LYX_RELEASE_PATCH,$lyx_patch)
AC_SUBST(LYX_DIR_VER,"$lyx_dir_ver")
AC_SUBST(LYX_USERDIR_VER,"$lyx_userdir_ver")
])