libcruft-util/m4/nc_boost_thread.m4

49 lines
1.5 KiB
Plaintext

AC_DEFUN([NC_BOOST_THREAD], [
AC_REQUIRE([NC_BOOST_BASE])
AC_REQUIRE([NC_BOOST_SYSTEM])
AC_REQUIRE([AC_CANONICAL_HOST])
AS_CASE(["x$host_os"],
["*xmingw*"], [
extra_cflags="-mthreads"
], [
AC_REQUIRE([AX_PTHREAD])
extra_cflags="$PTHREAD_CFLAGS"
extra_libs="$PTHREAD_LIBS"
]
)
AC_LANG_PUSH([C++])
for lib in boost_thread boost_thread_win32; do
AC_MSG_CHECKING([if boost threading library is $lib])
nc_save_cflags=$CFLAGS
nc_save_libs=$LIBS
CFLAGS="$CFLAGS $BOOST_BASE_CPPFLAGS $BOOST_SYSTEM_CPPFLAGS $extra_cflags"
LIBS="$LIBS $BOOST_BASE_LDFLAGS $BOOST_SYSTEM_LDFLAGS $extra_libs -l$lib"
dnl Try to call this_thread::yield as it appears to be extern
AC_TRY_LINK(
[@%:@include <boost/thread/thread.hpp>],
[boost::this_thread::yield ();],
[nc_cv_boost_thread=yes],
[nc_cv_boost_thread=no]
)
BOOST_THREAD_CPPFLAGS=$CFLAGS
BOOST_THREAD_LDFLAGS=-l$lib
CFLAGS=$nc_save_cflags
LIBS=$nc_save_libs
AC_MSG_RESULT([$nc_cv_boost_thread])
AS_IF([test "x$nc_cv_boost_thread" = "xyes"], [break;])
done
AC_LANG_POP([C++])
AS_IF([test "x$nc_cv_boost_thread" != "xyes"], [
AC_MSG_ERROR([unable to locate a suitable boost_thread])
])
])