#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=$clang_version])
+fi
])
dnl not plainly added to AM_CPPFLAGS because then the objc compiler (mac)
dnl would fail.
AC_DEFUN([LYX_CXX_USE_REGEX],
-[lyx_std_regex=no
- save_CPPFLAGS=$CPPFLAGS
+[AC_ARG_ENABLE(std-regex,
+ AC_HELP_STRING([--enable-std-regex],[use std::regex instead of boost::regex (default is autodetected)]),
+ [lyx_std_regex=$enableval],
+ [save_CPPFLAGS=$CPPFLAGS
# we want to pass -std=c++11 to clang/cpp if necessary
CPPFLAGS="$AM_CPPFLAGS $1 $CPPFLAGS"
save_CXXFLAGS=$CXXFLAGS
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 $gxx_version in
- 4.3*|4.4*|4.5*|4.6*|4.7*|4.8*) lyx_std_regex=no ;;
+ 4.6*|4.7*|4.8*) lyx_std_regex=no ;;
*) ;;
esac
fi
- fi
- AC_MSG_RESULT([$lyx_std_regex])
+ AC_MSG_RESULT([$lyx_std_regex])
+ fi])
if test $lyx_std_regex = yes ; then
lyx_flags="$lyx_flags std-regex"
gxx_version=`${CXX} -dumpversion`
CXX_VERSION="($gxx_version)"
else
- gxx_version=clang
+ gxx_version=clang-$clang_version
+ CXX_VERSION="($clang_version)"
fi
AM_CXXFLAGS="$lyx_optim"
AM_CPPFLAGS="$AM_CPPFLAGS -Wall -Wextra"
fi
case $gxx_version in
- 2.*|3.*) AC_ERROR([gcc >= 4.3 is required]);;
- 4.0*|4.1*|4.2*) AC_ERROR([gcc >= 4.3 is required]);;
+ 2.*|3.*) AC_ERROR([gcc >= 4.6 is required]);;
+ 4.0*|4.1*|4.2*|4.3*|4.4*|4.5*) AC_ERROR([gcc >= 4.6 is required]);;
esac
if test x$enable_stdlib_debug = xyes ; then
dnl FIXME: for clang/libc++, one should define _LIBCPP_DEBUG2=0
esac
fi
case $gxx_version in
- 4.3*|4.4*|4.5*|4.6*)
+ 4.6*)
dnl Note that this will define __GXX_EXPERIMENTAL_CXX0X__.
dnl The source code relies on that.
cxx11_flags="-std=c++0x";;
- clang)
+ clang-3.0*|clang-3.1*|clang-3.2*|clang-3.3*)
dnl presumably all clang versions support c++11.
- dnl the deprecated-register warning is very annoying with Qt4.x right now.
+ dnl boost contains pragmas that are annoying on older clang versions
+ cxx11_flags="-std=c++11 -Wno-unknown-pragmas";;
+ clang*)
+ dnl the more recent versions support the deprecated-register warning,
+ dnl which is very annoying with Qt4.x right now.
cxx11_flags="-std=c++11"
AM_CXXFLAGS="$AM_CXXFLAGS -Wno-deprecated-register";;
*)
[cxx11_flags="-std=gnu++11"],
[cxx11_flags="-std=c++11"]);;
esac
- # cxx11_flags is useful when running preprocessor alone
+ # cxx11_flags is useful when running preprocessor alone
# (see detection of regex).
AM_CXXFLAGS="$cxx11_flags $AM_CXXFLAGS"
fi
LYX_CXX_CXX11
-if test $lyx_use_cxx11 = yes; then
- if test x$GXX = xyes; then
- dnl We still use auto_ptr, which is obsoleted. Shut off the warnings.
- AM_CXXFLAGS="$AM_CXXFLAGS -Wno-deprecated-declarations"
- fi
-else
+if test $lyx_use_cxx11 = no; then
AC_ERROR([A C++11 compatible compiler is required])
fi
LYX_CXX_USE_REGEX([$cxx11_flags])
AC_MSG_RESULT([$lyx_cv_with_included_boost])
if test x$lyx_cv_with_included_boost = xyes ; then
BOOST_INCLUDES='-I$(top_srcdir)/3rdparty/boost'
- BOOST_LIBS='$(top_builddir)/3rdparty/boost/liblyxboost.a'
+ if test $lyx_std_regex = yes ; then
+ BOOST_LIBS=""
+ else
+ BOOST_LIBS='$(top_builddir)/3rdparty/boost/liblyxboost.a'
+ fi
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;])],
+ 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_signals"
+ LIBS="$save_LIBS -lboost_regex"
AC_LINK_IFELSE(
- [AC_LANG_PROGRAM([#include <boost/signal.hpp>],
- [boost::signal<void ()> s;])],
+ [AC_LANG_PROGRAM([#include <boost/regex.hpp>],
+ [boost::regex reg;])],
[AC_MSG_RESULT([yes])
BOOST_MT=""],
[AC_MSG_RESULT([no])
AC_MSG_ERROR([cannot find suitable boost library (do not use --without-included-boost)])
])
- ])
- LIBS=$save_LIBS
- AC_LANG_POP(C++)
- 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 $enable_stdlib_debug = "yes" ; then
+ ])
+ LIBS=$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)
projects / lyx.git / blobdiff