dnl Usage LYX_CHECK_VERSION Displays version of LyX being built and
-dnl sets variables "lyx_devel_version" and "lyx_prerelease"
-AC_DEFUN(LYX_CHECK_VERSION,[
-changequote(, ) dnl
-echo "configuring LyX version $VERSION"
-if echo "$VERSION" | grep 'cvs' >/dev/null ; then
- lyx_devel_version=yes
- echo "WARNING: This is a development version. Expect bugs."
-else
- lyx_devel_version=no
-fi
-if echo "$VERSION" | grep 'pre' > /dev/null ; then
- lyx_prerelease=yes
- echo "WARNING: This is a prerelease. Be careful and backup your documents."
-else
- lyx_prerelease=no
-fi
-changequote([, ]) dnl
+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,
+ AC_HELP_STRING([--enable-build-type=TYPE],[set build setting according to TYPE=rel(ease), pre(release), dev(elopment), prof(iling), gprof]),
+ [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],
+ [case AC_PACKAGE_VERSION in
+ *dev*) build_type=development;;
+ *pre*|*alpha*|*beta*|*rc*) build_type=prerelease;;
+ *) build_type=release ;;
+ esac])
+AC_MSG_RESULT([$build_type])
+lyx_flags="$lyx_flags build=$build_type"
+case $build_type in
+ development) lyx_devel_version=yes
+ AC_DEFINE(DEVEL_VERSION, 1, [Define if you are building a development version of LyX])
+ LYX_DATE="not released yet" ;;
+ prerelease) lyx_prerelease=yes ;;
+esac
+
AC_SUBST(lyx_devel_version)
-if test $lyx_devel_version = yes ; then
- AC_DEFINE(DEVEL_VERSION, 1, Define if you are building a development version of LyX)
-fi])
+])
dnl Define the option to set a LyX version on installed executables and directories
dnl
dnl
-AC_DEFUN(LYX_VERSION_SUFFIX,[
-AC_MSG_CHECKING([for install target ... ])
+AC_DEFUN([LYX_VERSION_SUFFIX],[
+AC_MSG_CHECKING([for version suffix])
+dnl We need the literal double quotes in the rpm spec file
+RPM_VERSION_SUFFIX='""'
AC_ARG_WITH(version-suffix,
- [ --with-version-suffix[=<version>] install lyx files as lyx<version>],
+ [AC_HELP_STRING([--with-version-suffix@<:@=VERSION@:>@], install lyx files as lyxVERSION (VERSION=-AC_PACKAGE_VERSION))],
[if test "x$withval" = "xyes";
then
- withval="-$VERSION"
- ac_configure_args=`echo $ac_configure_args | sed "s,--with-version-suffix,--with-version-suffix=$withval,"`
+ withval="-"AC_PACKAGE_VERSION
+ ac_configure_args=`echo "$ac_configure_args" | sed "s,--with-version-suffix,--with-version-suffix=$withval,"`
fi
- lyxname="lyx$withval"
- program_suffix=$withval],
- [lyxname=lyx])
-AC_MSG_RESULT([$lyxname])
+ AC_SUBST(version_suffix,$withval)
+ RPM_VERSION_SUFFIX="--with-version-suffix=$withval"])
+AC_SUBST(RPM_VERSION_SUFFIX)
+AC_SUBST(program_base_name,"lyx")
+AC_MSG_RESULT([$withval])
])
-dnl Usage: LYX_ERROR(message) Displays the warning "message" and sets the
-dnl flag lyx_error to yes.
-AC_DEFUN(LYX_ERROR,[
-lyx_error_txt="$lyx_error_txt
-** $1
-"
-lyx_error=yes])
+
+dnl Check whether to configure for Qt5. Default is Qt4.
+dnl
+AC_DEFUN([LYX_CHECK_QT5],[
+AC_MSG_CHECKING([whether Qt5 is requested])
+AC_ARG_ENABLE([qt5],
+ [ --enable-qt5 use Qt5 for building],
+ USE_QT5=$enableval, USE_QT5=no)
+AC_MSG_RESULT([$USE_QT5])
+AC_SUBST([USE_QT5])
+])
dnl Usage: LYX_WARNING(message) Displays the warning "message" and sets the
dnl flag lyx_warning to yes.
-AC_DEFUN(LYX_WARNING,[
+AC_DEFUN([LYX_WARNING],[
lyx_warning_txt="$lyx_warning_txt
== $1
"
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,[
-LYX_ERROR([Cannot find $1. Please check that the $2 library
+AC_DEFUN([LYX_LIB_ERROR],[
+AC_MSG_ERROR([cannot find $1. Please check that the $2 library
is correctly installed on your system.])])
-dnl Usage: LYX_CHECK_ERRORS Displays a warning message if a LYX_ERROR
-dnl has occured previously.
-AC_DEFUN(LYX_CHECK_ERRORS,[
-if test x$lyx_error = xyes; then
-cat <<EOF
-**** The following problems have been detected by configure.
-**** Please check the messages below before running 'make'.
-**** (see the section 'Problems' in the INSTALL file)
-$lyx_error_txt
-$lyx_warning_txt
-EOF
-else
-
+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)
$lyx_warning_txt
-EOF
-fi
-cat <<EOF
-Configuration of LyX was successful.
-Type 'make' to compile the program,
-and then 'make install' to install it.
+
EOF
fi])
])dnl
-AC_DEFUN([LYX_PROG_CXX_WORKS],
-[rm -f conftest.C
-cat >conftest.C <<EOF
-class foo {
- // we require the mutable keyword
- mutable int bar;
- };
- // we require namespace support
- namespace baz {
- int bar;
- }
- int main() {
- return(0);
- }
-EOF
-$CXX -c $CXXFLAGS $CPPFLAGS conftest.C >&5 || CXX=
-rm -f conftest.C conftest.o conftest.obj || true
+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_TRY_COMPILE([], [
+#ifndef __clang__
+ this is not clang
+#endif
+],
+[lyx_cv_prog_clang=yes ; CLANG=yes], [lyx_cv_prog_clang=no ; CLANG=no])])
])
-AC_DEFUN(LYX_PROG_CXX,
-[AC_MSG_CHECKING([for a good enough C++ compiler])
-LYX_SEARCH_PROG(CXX, $CXX $CCC g++ gcc c++ CC cxx xlC cc++, [LYX_PROG_CXX_WORKS])
+dnl Usage: LYX_CXX_CXX11: set lyx_use_cxx11 to yes if the compiler implements
+dnl the C++11 standard.
+AC_DEFUN([LYX_CXX_CXX11],
+[AC_CACHE_CHECK([whether the compiler implements C++11],
+ [lyx_cv_cxx_cxx11],
+ [save_CXXFLAGS=$CXXFLAGS
+ CXXFLAGS="$AM_CXXFLAGS $CXXFLAGS"
+ AC_LANG_PUSH(C++)
+ AC_TRY_COMPILE([], [
+#if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__)
+ this is a c++11 compiler
+#endif
+ ],
+ [lyx_cv_cxx_cxx11=no], [lyx_cv_cxx_cxx11=yes ; lyx_flags="$lyx_flags c++11"])
+ AC_LANG_POP(C++)
+ CXXFLAGS=$save_CXXFLAGS])
+lyx_use_cxx11=$lyx_cv_cxx_cxx11
+])
-if test -z "$CXX" ; then
- AC_MSG_ERROR([Unable to find a good enough C++ compiler])
-fi
-AC_MSG_RESULT($CXX)
-AC_PROG_CXX
+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_TRY_COMPILE([#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_TRY_COMPILE([#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])
+
+AC_LANG_PUSH(C++)
+LYX_PROG_CLANG
+LYX_LIB_STDCXX
+LYX_LIB_STDCXX_CXX11_ABI
+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 $lyx_cv_prog_clang = "yes" ; then
+ AC_DEFINE(USE_LLVM_LIBCPP, 1, [use libc++ provided by llvm instead of GNU libstdc++])
+ fi
+fi
### We might want to get or shut warnings.
AC_ARG_ENABLE(warnings,
fi;])
if test x$enable_warnings = xyes ; then
lyx_flags="$lyx_flags warnings"
- AC_DEFINE(WITH_WARNINGS, 1,
- [Define this if you want to see the warning directives put here and
- there by the developpers to get attention])
fi
### We might want to disable debug
AC_ARG_ENABLE(debug,
AC_HELP_STRING([--enable-debug],[enable debug information]),,
- [ if test $lyx_devel_version = yes -o $lyx_prerelease = yes && test $ac_cv_prog_gxx = yes ; then
- enable_debug=yes;
- else
- enable_debug=no;
- fi;])
+ [AS_CASE([$build_type], [rel*], [enable_debug=no], [enable_debug=yes])]
+)
+
+AC_ARG_ENABLE(stdlib-debug,
+ AC_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,
- AC_HELP_STRING([--enable-optimization[=value]],[enable compiler optimisation]),,
- enable_optimization=yes;)
+ AC_HELP_STRING([--enable-optimization[=value]],[enable compiler optimisation]),,
+ enable_optimization=yes;)
case $enable_optimization in
- yes) lyx_opt=-O;;
- no) lyx_opt=;;
- *) lyx_opt=${enable_optimization};;
+ yes)
+ if test $lyx_devel_version = yes ; then
+ lyx_optim=-O
+ else
+ lyx_optim=-O2
+ fi;;
+ no) lyx_optim=;;
+ *) lyx_optim=${enable_optimization};;
esac
-# set the debug flags correctly.
-if test x$GXX = xyes; then
- dnl Useful for global version info
- gxx_version=`${CXX} -dumpversion`
- CXX_VERSION="($gxx_version)"
+AC_ARG_ENABLE(cxx11,
+ AC_HELP_STRING([--disable-cxx11],[disable C++11 mode (default: enabled for known good compilers)]),,
+ enable_cxx11=auto;)
+
+AC_ARG_ENABLE(assertions,
+ AC_HELP_STRING([--enable-assertions],[add runtime sanity checks in the program]),,
+ [AS_CASE([$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
- if test "$ac_test_CXXFLAGS" = set; then
- CXXFLAGS="$ac_save_CXXFLAGS"
+# set the compiler options correctly.
+lyx_std_regex=no
+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=`${CXX} -dumpversion`
+ CXX_VERSION="($gxx_version)"
else
+ gxx_version=clang
+ fi
+
+ AM_CXXFLAGS="$lyx_optim"
+ if test x$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 -Wno-deprecated-declarations"
+ fi
+ case $gxx_version in
+ 2.*|3.*) AC_ERROR([gcc 4.x is required]);;
+ esac
+ if test x$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
case $gxx_version in
- 2.95.1) CXXFLAGS="$lyx_opt -fpermissive -ftemplate-depth-30";;
- 2.95.*) CXXFLAGS="$lyx_opt -Wno-non-template-friend -ftemplate-depth-30";;
- 2.96*) CXXFLAGS="$lyx_opt -fno-exceptions -ftemplate-depth-30 -Wno-non-template-friend";;
- 3.0*) CXXFLAGS="$lyx_opt";;
- 3.1*) CXXFLAGS="$lyx_opt -finline-limit=500 -fno-exceptions";;
- 3.2*) CXXFLAGS="$lyx_opt -fno-exceptions";;
- 3.3*) CXXFLAGS="$lyx_opt -fno-exceptions";;
- 3.4*) CXXFLAGS="$lyx_opt -fno-exceptions";;
- *) CXXFLAGS="$lyx_opt";;
+ *)
+ lyx_flags="$lyx_flags stdlib-debug"
+ AC_DEFINE(_GLIBCXX_DEBUG, 1, [libstdc++ debug mode])
+ AC_DEFINE(_GLIBCXX_DEBUG_PEDANTIC, 1, [libstdc++ pedantic debug mode])
+ ;;
esac
- if test x$enable_debug = xyes ; then
- CXXFLAGS="-g $CXXFLAGS"
- fi
fi
- if test x$enable_warnings = xyes ; then
+ dnl enable_cxx11 can be yes/no/auto.
+ dnl By default, it is auto and we enable C++11 when possible
+ if test x$enable_cxx11 != xno ; then
case $gxx_version in
- 2.95.*) CXXFLAGS="$CXXFLAGS -W -Wall";;
- 2.96*) CXXFLAGS="$CXXFLAGS -W -Wall";;
- 3.1*) CXXFLAGS="$CXXFLAGS -W -Wall";;
- *) CXXFLAGS="$CXXFLAGS -W -Wall";;
+ 4.0*|4.1*|4.2*)
+ if test x$enable_cxx11 = xyes; then
+ AC_ERROR([There is no C++11 support in gcc 4.2 or older])
+ fi;;
+ 4.3*|4.4*|4.5*|4.6*)
+ dnl Note that this will define __GXX_EXPERIMENTAL_CXX0X__.
+ dnl The source code relies on that.
+ AM_CXXFLAGS="$AM_CXXFLAGS -std=c++0x";;
+ clang)
+ dnl presumably all clang version support c++11.
+ dnl the deprecated-register warning is very annoying with Qt4.x right now.
+ AM_CXXFLAGS="$AM_CXXFLAGS -std=c++11 -Wno-deprecated-register";;
+ *)
+ AS_CASE([$host], [*cygwin*],
+ [AM_CXXFLAGS="$AM_CXXFLAGS -std=gnu++11"],
+ [AM_CXXFLAGS="$AM_CXXFLAGS -std=c++11"]);;
esac
fi
-fi])dnl
-
-
-dnl NOT USED CURRENTLY*************************************
-dnl Usage: LYX_CXX_RTTI : checks whether the C++ compiler
-dnl supports RTTI
-AC_DEFUN(LYX_CXX_RTTI,[
-### Check whether the compiler supports runtime type information
-AC_CACHE_CHECK(whether the C++ compiler supports RTTI,lyx_cv_rtti,
- [AC_TRY_RUN([
-class rtti {
-public:
- virtual int tag() { return 0; }
-};
-class derived1 : public rtti {
-public:
- int tag() { return 1; }
-};
-class derived2 : public rtti {
-public:
- int tag() { return 2; }
-};
-int main() {
- derived1 * foo1 = new derived1();
- derived2 * foo2 = new derived2();
- rtti * bar = foo1;
- derived1 * bar1 = dynamic_cast<derived1 *>(bar);
- if (bar1 == 0)
- exit(1);
- bar = foo2;
- bar1 = dynamic_cast<derived1 *>(bar);
- if (bar1 != 0)
- exit(1);
- return 0;
-}
-],lyx_cv_rtti=yes,lyx_cv_rtti=no,lyx_cv_rtti=no)
-])
-if test x$lyx_cv_rtti = xyes ; then
- AC_DEFINE(HAVE_RTTI, 1,
- [Define to 1 if your compiler supports runtime type information])
-fi])
-
-
-dnl Usage: LYX_CXX_EXPLICIT : checks whether the C++ compiler
-dnl understands the "explicit" directive.
-AC_DEFUN(LYX_CXX_EXPLICIT,[
-### Check whether the compiler understands the keyword `explicit'
-AC_CACHE_CHECK(whether the C++ compiler understands explicit,lyx_cv_explicit,
- [AC_TRY_COMPILE([
-class Expl {
-public:
- explicit Expl() {}
-};],,lyx_cv_explicit=yes,lyx_cv_explicit=no)
-])
-if test $lyx_cv_explicit = no ; then
- AC_DEFINE(explicit,[ ],
- [Define to nothing if your compiler does not understand the
- 'explicit' directive])
-fi])
-
-
-dnl NOT USED CURRENTLY*************************************
-dnl Usage: LYX_CXX_STL_STACK : checks whether the C++ compiler
-dnl has a working stl stack template
-AC_DEFUN(LYX_CXX_STL_STACK,[
-AC_CACHE_CHECK(for broken STL stack template,lyx_cv_broken_stack,
- [AC_TRY_COMPILE([
-#include <stack>
-using std::stack;
-],[
- stack<int> stakk;
- stakk.push(0);
-],lyx_cv_broken_stack=no,lyx_cv_broken_stack=yes)
-])
-if test $lyx_cv_broken_stack = yes ; then
- AC_DEFINE(BROKEN_STL_STACK, 1,
- [Define if you have the STL from libg++ 2.7.x, where stack<> is not defined
- correctly])
-fi])
-
-dnl Usage: LYX_STD_COUNT : checks wherer the C++ library have a conforming
-dnl count template, if not the old HP version is assumed.
-AC_DEFUN(LYX_STD_COUNT,[
-AC_CACHE_CHECK(for conforming std::count,lyx_cv_std_count,
- [AC_TRY_COMPILE([
-#include <algorithm>
-using std::count;
-int countChar(char * b, char * e, char const c)
-{
- return count(b, e, c);
-}
-],[
- char a[] = "hello";
- int i = countChar(a, a + 5, 'l');
-],lyx_cv_std_count=yes,lyx_cv_std_count=no)
-])
-if test $lyx_cv_std_count = yes ; then
- AC_DEFINE(HAVE_STD_COUNT, 1,
- [Define if you have a conforming std::count template, otherwise HP version of count template is assumed.])
-fi])
-
-
-dnl Usage: LYX_CXX_STL_MODERN_STREAMS : checks whether the C++ compiler
-dnl supports modern STL streams
-AC_DEFUN(LYX_CXX_STL_MODERN_STREAMS,[
-AC_CACHE_CHECK(for modern STL streams,lyx_cv_modern_streams,
- [AC_TRY_COMPILE([
-#include <iostream>
-],[
- std::streambuf * test = std::cerr.rdbuf();
- test->pubsync();
-],lyx_cv_modern_streams=yes,lyx_cv_modern_streams=no)
-])
-if test $lyx_cv_modern_streams = yes ; then
- AC_DEFINE(MODERN_STL_STREAMS, 1,
- [Define if you have modern standard-compliant STL streams])
-fi])
-
-
-dnl Usage: LYX_CXX_STL_STRING : checks whether the C++ compiler
-dnl has a std::string that is usable for LyX. LyX does not require this
-dnl std::string to be standard.
-AC_DEFUN(LYX_CXX_STL_STRING,[
- AC_REQUIRE([AC_PROG_CXX])
- AC_MSG_CHECKING(whether the included std::string should be used)
- AC_ARG_WITH(included-string,
- [ --with-included-string use LyX string class instead of STL string],
- [lyx_cv_with_included_string=$withval
- AC_MSG_RESULT([$with_included_string])],
- [AC_CACHE_CHECK([],lyx_cv_with_included_string,
- [AC_TRY_COMPILE([
- #include <string>
- using std::string;
- ],[
- // LyX has reduced its requirements on the basic_string
- // implementation so that the basic_string supplied
- // with gcc is usable. In particular this means that
- // lyx does not use std::string::clear and not the
- // strncmp version of std::string::compare. This is mainly
- // done so that LyX can use precompiled C++ libraries that
- // already uses the systems basic_string, e.g. gtk--
- string a("hello there");
- a.erase();
- a = "hey";
- //char s[] = "y";
- //int t = a.compare(a.length() - 1, 1, s);
- a.erase();
- ],[
- lyx_cv_with_included_string=no
- ],[
- lyx_cv_with_included_string=yes
- ])
- ])
- ])
- if test x$lyx_cv_with_included_string = xyes ; then
- AC_DEFINE(USE_INCLUDED_STRING, 1,
- [Define to use the lyxstring class bundled with LyX.])
- lyx_flags="$lyx_flags included-string"
+ LYX_CXX_CXX11
+ if test $lyx_use_cxx11 = yes ; then
+ AC_CHECK_HEADER([regex], [lyx_std_regex=yes], [lyx_std_regex=no])
+ if test x$CLANG = xno || test $lyx_cv_lib_stdcxx = yes; then
+ dnl <regex> in gcc is unusable in versions less than 4.9.0
+ dnl see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53631
+ case $gxx_version in
+ 4.0*|4.1*|4.2*|4.3*|4.4*|4.5*|4.6*|4.7*|4.8*) ;;
+ *) lyx_std_regex=yes ;;
+ esac
+ else
+ lyx_std_regex=yes
fi
- AM_CONDITIONAL(USE_LYXSTRING, test x$lyx_cv_with_included_string = xyes)
-dnl AC_MSG_RESULT([$with_included_string])
-])
+ fi
+else
+ dnl This is not gcc, not sure what setup we can do
+ AC_CHECK_HEADER([regex], [lyx_std_regex=yes], [lyx_std_regex=no])
+fi
+if test $lyx_std_regex = yes ; then
+ lyx_flags="$lyx_flags stdregex"
+ 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 $lyx_std_regex = yes)
+])dnl
dnl Usage: LYX_USE_INCLUDED_BOOST : select if the included boost should
dnl be used.
-AC_DEFUN(LYX_USE_INCLUDED_BOOST,[
+AC_DEFUN([LYX_USE_INCLUDED_BOOST],[
+ AC_MSG_CHECKING([whether to use included boost library])
AC_ARG_WITH(included-boost,
- [ --with-included-boost use the boost lib supplied with LyX],
- [lyx_cv_with_included_boost=$withval
- AC_MSG_RESULT([$with_included_boost])],
+ [AC_HELP_STRING([--without-included-boost], [do not use the boost lib supplied with LyX, try to find one in the system directories - compilation will abort if nothing suitable is found])],
+ [lyx_cv_with_included_boost=$withval],
[lyx_cv_with_included_boost=yes])
AM_CONDITIONAL(USE_INCLUDED_BOOST, test x$lyx_cv_with_included_boost = xyes)
-])
-
-dnl Usage: LYX_CXX_GOOD_STD_STRING : checks whether the C++ compiler
-dnl has a std::string that is close to the standard. So close that
-dnl methods not found in "unstandard" std::strings are present here.
-AC_DEFUN(LYX_CXX_GOOD_STD_STRING,[
- AC_REQUIRE([AC_PROG_CXX])
- AC_CACHE_CHECK([whether the systems std::string is really good],
- [lyx_cv_std_string_good],
- [AC_TRY_COMPILE([
- #include <string>
- using std::string;
- ],[
- // From a std::string that is supposed to be close to the
- // standard we require at least three things:
- // - clear() and erase()
- // - the strncmp of compare()
- // - push_back()
- string a("hello there");
- a.erase();
- a = "hey";
- char s[] = "y";
- int t = a.compare(a.length() - 1, 1, s);
- a.push_back('g');
- a.clear();
- ],[
- lyx_cv_std_string_good=yes
- ],[
- lyx_cv_std_string_good=no
-
- ])
- ])
- if test x$lyx_cv_std_string_good = xyes ; then
- AC_DEFINE(STD_STRING_IS_GOOD, 1,
- [Define if the systems std::string is really good.])
- fi
+ AC_MSG_RESULT([$lyx_cv_with_included_boost])
+ if test x$lyx_cv_with_included_boost = xyes ; then
+ BOOST_INCLUDES='-I$(top_srcdir)/boost'
+ BOOST_LIBS='$(top_builddir)/boost/liblyxboost.a'
+ else
+ AC_LANG_PUSH(C++)
+ save_LIBS=$LIBS
+
+ AC_MSG_CHECKING([for multithreaded boost libraries])
+ LIBS="$save_LIBS -lboost_signals-mt $LIBTHREAD"
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([#include <boost/signal.hpp>],
+ [boost::signal<void ()> s;])],
+ [AC_MSG_RESULT([yes])
+ BOOST_MT="-mt"],
+ [AC_MSG_RESULT([no])
+ AC_MSG_CHECKING([for plain boost libraries])
+ LIBS="$save_LIBS -lboost_signals"
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([#include <boost/signal.hpp>],
+ [boost::signal<void ()> s;])],
+ [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++)
+ BOOST_INCLUDES=
+ if test $lyx_std_regex = yes ; then
+ BOOST_LIBS="-lboost_signals${BOOST_MT}"
+ else
+ BOOST_LIBS="-lboost_regex${BOOST_MT} -lboost_signals${BOOST_MT}"
+ fi
+
+ 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 $enable_stdlib_debug = "yes" ; then
+ LYX_WARNING([Compiling LyX with stdlib-debug and system boost libraries may lead to
+ crashes. Consider using --disable-stdlib-debug or removing
+ --without-included-boost.])
+ fi
+ fi
+ AC_SUBST(BOOST_INCLUDES)
+ AC_SUBST(BOOST_LIBS)
])
-dnl NOT USED CURRENTLY*************************************
-dnl LYX_CXX_PARTIAL
-AC_DEFUN(LYX_CXX_PARTIAL, [
- AC_REQUIRE([AC_PROG_CXX])
- AC_CACHE_CHECK([if C++ compiler supports partial specialization],
- [lyx_cv_cxx_partial_specialization],
- [AC_TRY_COMPILE(
- [
- template<class T, class K>
- class k {
- public:
- };
- template<class T> class k<void,T> { };
- ],[
- k<float, float> b;
- k<void,void> a;
- ],[
- lyx_cv_cxx_partial_specialization=yes
- ],[
- lyx_cv_cxx_partial_specialization=no
- ])
- ])
- if test x$lyx_cv_cxx_partial_specialization = xyes ; then
- AC_DEFINE(HAVE_PARTIAL_SPECIALIZATION, 1,
- [Defined if your compiler supports partial specialization.])
- 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_CACHE_CHECK([whether printing callstack is possible],
+ [lyx_cv_callstack_printing],
+[AC_TRY_COMPILE([
+#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=yes], [lyx_cv_callstack_printing=no])])
+if test x"$lyx_cv_callstack_printing" = xyes; then
+ AC_DEFINE([LYX_CALLSTACK_PRINTING], 1,
+ [Define if callstack can be printed])
+fi
])
-dnl Usage: LYX_CXX_CHEADERS : checks whether the C++ compiler
-dnl provides wrappers for C headers and use our alternate version otherwise.
-AC_DEFUN(LYX_CXX_CHEADERS,[
-AC_CACHE_CHECK(for C headers wrappers,lyx_cv_cxx_cheaders,
- [AC_TRY_CPP([
-#include <clocale>
-#include <cctype>
-#include <cerrno>
-#include <cmath>
-#include <csignal>
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <ctime>],[lyx_cv_cxx_cheaders=yes],[lyx_cv_cxx_cheaders=no])])
-if test $lyx_cv_cxx_cheaders = no ; then
- LYX_ADD_INC_DIR(lyx_cppflags,\$(top_srcdir)/src/cheaders)
-fi])
-
-dnl Usage: LYX_CXX_GLOBAL_CSTD: checks whether C library functions
-dnl are already in the global namespace
-AC_DEFUN(LYX_CXX_GLOBAL_CSTD,[
- AC_CACHE_CHECK(whether C library functions are already in the global namespace,
- lyx_cv_cxx_global_cstd,
- [AC_TRY_COMPILE([
- #include <cctype>
- using std::tolower;
- ],[
- return 0;
- ],[lyx_cv_cxx_global_cstd=no],[lyx_cv_cxx_global_cstd=yes])])
- if test x$lyx_cv_cxx_global_cstd = xyes; then
- AC_DEFINE(CXX_GLOBAL_CSTD,1,
- [Define if your C++ compiler puts C library functions in the global namespace])
- fi
+dnl Usage: LYX_USE_INCLUDED_MYTHES : select if the included MyThes should
+dnl be used.
+AC_DEFUN([LYX_USE_INCLUDED_MYTHES],[
+ AC_MSG_CHECKING([whether to use included MyThes library])
+ AC_ARG_WITH(included-mythes,
+ [AC_HELP_STRING([--without-included-mythes], [do not use the MyThes lib supplied with LyX, try to find one in the system directories - compilation will abort if nothing suitable is found])],
+ [lyx_cv_with_included_mythes=$withval],
+ [lyx_cv_with_included_mythes=yes])
+ AM_CONDITIONAL(USE_INCLUDED_MYTHES, test x$lyx_cv_with_included_mythes = xyes)
+ AC_MSG_RESULT([$lyx_cv_with_included_mythes])
+ if test x$lyx_cv_with_included_mythes != xyes ; then
+ AC_LANG_PUSH(C++)
+ AC_CHECK_HEADER(mythes.hxx,[ac_cv_header_mythes_h=yes lyx_cv_mythes_h_location="<mythes.hxx>"])
+ if test x$ac_cv_header_mythes_h != xyes; then
+ AC_CHECK_HEADER(mythes/mythes.hxx,[ac_cv_header_mythes_h=yes lyx_cv_mythes_h_location="<mythes/mythes.hxx>"])
+ fi
+ AC_CHECK_LIB(mythes, main, [MYTHES_LIBS="-lmythes" lyx_mythes=yes], [lyx_mythes=no])
+ if test x$lyx_mythes != xyes; then
+ AC_CHECK_LIB(mythes-1.2, main, [MYTHES_LIBS="-lmythes-1.2" lyx_mythes=yes], [lyx_mythes=no])
+ fi
+ AC_LANG_POP(C++)
+ if test x$lyx_mythes != xyes -o x$ac_cv_header_mythes_h != xyes; then
+ AC_MSG_ERROR([cannot find suitable MyThes library (do not use --without-included-mythes)])
+ fi
+ AC_DEFINE(USE_EXTERNAL_MYTHES, 1, [Define as 1 to use an external MyThes library])
+ AC_DEFINE_UNQUOTED(MYTHES_H_LOCATION,$lyx_cv_mythes_h_location,[Location of mythes.hxx])
+ AC_SUBST(MYTHES_LIBS)
+ fi
])
+
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,[ --with-$1 specify $2])
+AC_DEFUN([LYX_WITH_DIR],[
+ AC_ARG_WITH($1,[AC_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=$4)
dnl Usage: LYX_LOOP_DIR(value,action)
dnl Executes action for values of variable `dir' in `values'. `values' can
dnl use ":" as a separator.
-AC_DEFUN(LYX_LOOP_DIR,[
+AC_DEFUN([LYX_LOOP_DIR],[
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
for dir in `eval "echo $1"`; do
if test ! "$dir" = NONE; then
dnl Usage: LYX_ADD_LIB_DIR(var-name,dir) Adds a -L directive to variable
dnl var-name.
-AC_DEFUN(LYX_ADD_LIB_DIR,[
+AC_DEFUN([LYX_ADD_LIB_DIR],[
$1="${$1} -L$2"
if test "`(uname) 2>/dev/null`" = SunOS &&
uname -r | grep '^5' >/dev/null; then
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 "])
+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
## 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_DEFUN([LYX_PATH_HEADER],
[ AC_CHECK_HEADER($1,[
ac_tr_safe=PATH_`echo $ac_safe | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
### the only remaining problem is getting the second parameter to this
])
### end of LYX_PATH_HEADER
-### Check which frontend we want to use. The default is XForms
-###
-AC_DEFUN(LYX_USE_FRONTEND,
-[AC_MSG_CHECKING([what frontend should be used as main GUI])
-AC_ARG_WITH(frontend,
- [ --with-frontend=THIS Use THIS frontend as main GUI:
- Possible values: xforms, qt],
- [lyx_use_frontend="$withval"], [lyx_use_frontend="xforms"])
-AC_MSG_RESULT($lyx_use_frontend)
-AC_SUBST(FRONTEND)
-AC_SUBST(FRONTEND_GUILIB)
-AC_SUBST(FRONTEND_LDFLAGS)
-AC_SUBST(FRONTEND_INCLUDES)
-AC_SUBST(FRONTEND_LIBS)
+## Check what kind of packaging should be used at install time.
+## The default is autodetected.
+AC_DEFUN([LYX_USE_PACKAGING],
+[AC_MSG_CHECKING([what packaging should be used])
+AC_ARG_WITH(packaging,
+ [AC_HELP_STRING([--with-packaging=THIS], [use THIS packaging for installation:
+ Possible values: posix, windows, macosx, haiku])],
+ [lyx_use_packaging="$withval"], [
+ case $host in
+ *-apple-darwin*) lyx_use_packaging=macosx ;;
+ *-pc-mingw32*) lyx_use_packaging=windows ;;
+ *haiku*) lyx_use_packaging=haiku ;;
+ *) lyx_use_packaging=posix ;;
+ esac])
+AC_MSG_RESULT($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)
])
-
## ------------------------------------------------------------------------
-## Find a file (or one of more files in a list of dirs)
+## 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_FIND_FILE,
-[
-$3=NO
-for i in $2;
+AC_DEFUN([AC_FUNC_MKDIR],
+[AC_CHECK_FUNCS([mkdir _mkdir])
+AC_CACHE_CHECK([whether mkdir takes one argument],
+ [ac_cv_mkdir_takes_one_arg],
+[AC_TRY_COMPILE([
+#include <sys/stat.h>
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+], [mkdir (".");],
+[ac_cv_mkdir_takes_one_arg=yes], [ac_cv_mkdir_takes_one_arg=no])])
+if test x"$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 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
- for j in $1;
- do
- if test -r "$i/$j"; then
- $3=$i
- break 2
- fi
- done
-done
+ 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 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])
+ AC_TRY_COMPILE([#include <$2>], [$3],
+ lyx_have_def_name=yes,
+ lyx_have_def_name=no)
+ AC_MSG_RESULT($lyx_have_def_name)
+ if test "x$lyx_have_def_name" = xyes; then
+ AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_DEF_$1))
+ fi
])
-dnl just a wrapper to clean up configure.in
-AC_DEFUN(LYX_PROG_LIBTOOL,
-[
-AC_REQUIRE([AC_ENABLE_SHARED])
-AC_REQUIRE([AC_ENABLE_STATIC])
-dnl libtool is only for C, so I must force him
-dnl to find the correct flags for C++
-ac_save_cc=$CC
-ac_save_cflags="$CFLAGS"
-CC=$CXX
-CFLAGS="$CXXFLAGS"
-AM_PROG_LIBTOOL dnl for libraries
-CC=$ac_save_cc
-CFLAGS="$ac_save_cflags"
+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")
])
+
+# AM_PYTHON_CHECK_VERSION(PROG, VERSION, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
+# ---------------------------------------------------------------------------
+# Copied from autoconf 2.68, added a check that python version is < 3.0
+# Run ACTION-IF-TRUE if the Python interpreter PROG has version >= VERSION.
+# Run ACTION-IF-FALSE otherwise.
+# This test uses sys.hexversion instead of the string equivalent (first
+# word of sys.version), in order to cope with versions such as 2.2c1.
+# This supports Python 2.0 or higher. (2.0 was released on October 16, 2000).
+AC_DEFUN([AM_PYTHON_CHECK_VERSION],
+ [prog="import sys
+# split strings by '.' and convert to numeric. Append some zeros
+# because we need at least 4 digits for the hex conversion.
+# map returns an iterator in Python 3.0 and a list in 2.x
+minver = list(map(int, '$2'.split('.'))) + [[0, 0, 0]]
+minverhex = 0
+maxverhex = 50331648 # = 3.0.0.0
+# xrange is not present in Python 3.0 and range returns an iterator
+for i in list(range(0, 4)): minverhex = (minverhex << 8) + minver[[i]]
+sys.exit(sys.hexversion < minverhex or sys.hexversion >= maxverhex)"
+ AS_IF([AM_RUN_LOG([$1 -c "$prog"])], [$3], [$4])])