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samba-mirror/lib/tevent/libtevent.m4
Simo Sorce efccef09ae Add exports file and abi checker for tevent
This is a first attempt at exporting symbols only for public functions
We also provide a rudimentary ABI checker that tries to check that
function signatures are not changed by mistake.
Given our use of macros this is not an API checker.
It's all based on tevent.h contents and the gcc -aux-info option
2009-06-15 16:31:13 -04:00

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dnl find the tevent sources. This is meant to work both for
dnl standalone builds, and builds of packages using libtevent
AC_SUBST(teventdir)
if test x"$teventdir" = "x"; then
teventdir=""
teventpaths="$srcdir $srcdir/../lib/tevent $srcdir/tevent $srcdir/../tevent"
for d in $teventpaths; do
if test -f "$d/tevent.c"; then
teventdir="$d"
break;
fi
done
if test x"$teventdir" = "x"; then
AC_MSG_ERROR([cannot find libtevent source in $teventpaths])
fi
fi
TEVENT_OBJ=""
TEVENT_CFLAGS=""
TEVENT_LIBS=""
AC_SUBST(TEVENT_OBJ)
AC_SUBST(TEVENT_CFLAGS)
AC_SUBST(TEVENT_LIBS)
TEVENT_CFLAGS="-I$teventdir"
TEVENT_OBJ="tevent.o tevent_debug.o tevent_util.o"
TEVENT_OBJ="$TEVENT_OBJ tevent_fd.o tevent_timed.o tevent_immediate.o tevent_signal.o"
TEVENT_OBJ="$TEVENT_OBJ tevent_req.o tevent_wakeup.o tevent_queue.o"
TEVENT_OBJ="$TEVENT_OBJ tevent_standard.o tevent_select.o"
AC_CHECK_HEADERS(sys/epoll.h)
AC_CHECK_FUNCS(epoll_create)
if test x"$ac_cv_header_sys_epoll_h" = x"yes" -a x"$ac_cv_func_epoll_create" = x"yes"; then
TEVENT_OBJ="$TEVENT_OBJ tevent_epoll.o"
AC_DEFINE(HAVE_EPOLL, 1, [Whether epoll available])
fi
if test x"$VERSIONSCRIPT" != "x"; then
EXPORTSFILE=tevent.exports
AC_SUBST(EXPORTSFILE)
fi