configure.ac: disable exceptions only with Boost 1.54 or newer

See https://svn.boost.org/trac/boost/ticket/7849
This commit is contained in:
Max Kellermann 2014-06-16 18:32:53 +02:00
parent 3364c1b893
commit 52594e64d0
1 changed files with 25 additions and 2 deletions

View File

@ -630,8 +630,27 @@ dnl ---------------------------------------------------------------------------
dnl Mandatory Libraries
dnl ---------------------------------------------------------------------------
no_exceptions=yes
AX_BOOST_BASE([1.46],, [AC_MSG_ERROR([Boost not found])])
dnl Don't disable exceptions on Boost older than 1.54, because
dnl Boost.Intrusive supports this compiler mode only since 1.54;
dnl see https://svn.boost.org/trac/boost/ticket/7849
CPPFLAGS_SAVED="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
export CPPFLAGS
AC_LANG_PUSH(C++)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@%:@include <boost/version.hpp>
]], [[
#if BOOST_VERSION < 105400
#error detected Boost older than 1.54
#endif
]])],, [no_exceptions=no])
AC_LANG_POP([C++])
CPPFLAGS="$CPPFLAGS_SAVED"
AC_ARG_ENABLE(icu,
AS_HELP_STRING([--enable-icu],
[enable libicu for Unicode (default: enabled)]),,
@ -1726,8 +1745,12 @@ AC_LANG_PUSH([C++])
AX_APPEND_COMPILE_FLAGS([-fvisibility=hidden])
AX_APPEND_COMPILE_FLAGS([-fno-threadsafe-statics])
AX_APPEND_COMPILE_FLAGS([-fmerge-all-constants])
AX_APPEND_COMPILE_FLAGS([-fno-exceptions])
AX_APPEND_COMPILE_FLAGS([-fno-rtti])
if test x$no_exceptions = xyes; then
AX_APPEND_COMPILE_FLAGS([-fno-exceptions])
AX_APPEND_COMPILE_FLAGS([-fno-rtti])
fi
AX_APPEND_COMPILE_FLAGS([-ffast-math])
AX_APPEND_COMPILE_FLAGS([-ftree-vectorize])
AC_LANG_POP