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_MSG_CHECKING([for build type])
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
])
+dnl Usage: LYX_PROG_CLANG: set lyx_cv_prog_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])])
+])
+
+
+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])])
+])
+
+
AC_DEFUN([LYX_PROG_CXX],
[AC_MSG_CHECKING([for a good enough C++ compiler])
LYX_SEARCH_PROG(CXX, $CXX $CCC g++ gcc c++ CC cxx xlC cc++, [LYX_PROG_CXX_WORKS])
fi
AC_MSG_RESULT($CXX)
-AC_PROG_CXX
-AC_PROG_CXXCPP
+AC_REQUIRE([AC_PROG_CXX])
+AC_REQUIRE([AC_PROG_CXXCPP])
+AC_LANG_PUSH(C++)
+LYX_PROG_CLANG
+LYX_LIB_STDCXX
+AC_LANG_POP(C++)
+
+if test $lyx_cv_lib_stdcxx = "yes" ; then
+ AC_DEFINE(STD_STRING_USES_COW, 1, [std::string uses copy-on-write])
+else
+ if test $lyx_cv_prog_clang = "yes" ; then
+ AC_DEFINE(USE_LLVM_LIBCPP, 1, [use libc++ provided by llvm instead of GNU libstdc++])
+ fi
+fi
### We might want to get or shut warnings.
AC_ARG_ENABLE(warnings,
# set the compiler options correctly.
if test x$GXX = xyes; then
- dnl Useful for global version info
- gxx_version=`${CXX} -dumpversion`
- CXX_VERSION="($gxx_version)"
+ 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="($gxx_version)"
+ fi
if test "$ac_test_CXXFLAGS" = set; then
CXXFLAGS="$ac_save_CXXFLAGS"
*) AM_CXXFLAGS="";;
esac
if test x$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 $gxx_version in
3.4*|4.*)
lyx_flags="$lyx_flags stdlib-debug"
case $gxx_version in
3.3*)
lyx_flags="$lyx_flags concept-checks"
+ dnl FIXME check whether this makes sense with clang/libc++
AC_DEFINE(_GLIBCPP_CONCEPT_CHECKS, 1, [libstdc++ concept checking])
;;
3.4*|4.*)
esac
fi
if test x$enable_cxx11 = xyes ; then
+ dnl FIXME: check what to do with clang (is anything needed at all?)
case $gxx_version in
4.3*|4.4*|4.5*|4.6*)
lyx_flags="$lyx_flags c++11-mode"
[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$lyx_cv_with_included_boost != xyes ; then
- AC_LANG_PUSH(C++)
- save_LIBS=$LIBS
+ 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 -lm $LIBTHREAD"
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([#include <boost/signal.hpp>],
+ [boost::signal<void ()> s;])],
+ [AC_MSG_RESULT([yes])
+ BOOST_MT="-mt"],
+ [AC_MSG_RESULT([no])
+ AC_MSG_CHECKING([for plain boost libraries])
+ LIBS="$save_LIBS -lboost_signals -lm"
+ 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=$save_LIBS
+ AC_LANG_POP(C++)
+ BOOST_INCLUDES=
+ BOOST_LIBS="-lboost_regex${BOOST_MT} -lboost_signals${BOOST_MT}"
+ fi
+ AC_SUBST(BOOST_INCLUDES)
+ AC_SUBST(BOOST_LIBS)
+])
- LIBS="$save_LIBS -lboost_signals -lm"
- AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <boost/signal.hpp>], [boost::signal<void ()> s;])], [lyx_boost_plain=yes], [])
- LIBS="$save_LIBS -lboost_signals-mt -lm $LIBTHREAD"
- AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <boost/signal.hpp>], [boost::signal<void ()> s;])], [lyx_boost_mt=yes], [])
- LIBS=$save_LIBS
- AC_LANG_POP(C++)
-
- if test x$lyx_boost_mt = xyes ; then
- BOOST_MT="-mt"
- else
- BOOST_MT=""
- if test x$lyx_boost_plain != xyes ; then
- AC_MSG_ERROR([cannot find suitable boost library (do not use --without-included-boost)])
- fi
- fi
- AC_SUBST(BOOST_MT)
- 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
])
projects / lyx.git / blobdiff