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dnl ---------------------------------------------------------------------------
dnl Macro: MYSQL_USE_BUNDLED_LIBEVENT
dnl
dnl SYNOPSIS
dnl MYSQL_USE_BUNDLED_LIBEVENT()
dnl
dnl DESCRIPTION
dnl Add defines so libevent is built and linked with
dnl ---------------------------------------------------------------------------
AC_DEFUN([MYSQL_USE_BUNDLED_LIBEVENT], [
libevent_dir="libevent"
AC_SUBST([libevent_dir])
libevent_libs="\$(top_builddir)/extra/libevent/libevent.a"
libevent_includes="-I\$(top_srcdir)/extra/libevent"
dnl Get the upstream file with the original libevent configure macros.
dnl Use builtin include for this, to work around path problems in old versions of aclocal.
builtin([include],[config/ac-macros/libevent_configure.m4])
])
dnl ------------------------------------------------------------------------
dnl Macro: MYSQL_CHECK_LIBEVENT
dnl
dnl SYNOPSIS
dnl MYSQL_CHECK_LIBEVENT
dnl
dnl ------------------------------------------------------------------------
AC_DEFUN([MYSQL_CHECK_LIBEVENT], [
AC_CONFIG_FILES(extra/libevent/Makefile)
AC_MSG_NOTICE([checking what libevent library to use])
AC_ARG_WITH([libevent],
AC_HELP_STRING([--with-libevent=yes|no|bundled|DIR],
[Use libevent and have connection pooling.
A location of libevent library can be specified.
Given DIR, libevent library is
assumed to be in $DIR/lib and header files
in $DIR/include.]),
[with_libevent=${withval}],
[with_libevent=no])
case "$with_libevent" in
"no")
with_libevent=disabled
;;
"bundled")
MYSQL_USE_BUNDLED_LIBEVENT
;;
"" | "yes")
libevent_includes=""
libevent_libs="-levent"
AC_CHECK_LIB(event, evutil_socketpair,[with_libevent=system],
[with_libevent=bundled])
AC_CHECK_HEADER(evutil.h,,[with_libevent=bundled])
if test "$with_libevent" = "bundled"; then
MYSQL_USE_BUNDLED_LIBEVENT
fi
;;
*)
# Test for libevent using all known library file endings
if test \( -f "$with_libevent/lib/libevent.a" -o \
-f "$with_libevent/lib/libevent.so" -o \
-f "$with_libevent/lib/libevent.sl" -o \
-f "$with_libevent/lib/libevent.dylib" \) \
-a -f "$with_libevent/include/evutil.h"; then
libevent_includes="-I$with_libevent/include"
libevent_libs="-L$with_libevent/lib -levent"
AC_CHECK_LIB(event, evutil_socketpair,[with_libevent=$with_libevent],
[with_libevent=no], [$libevent_libs])
else
with_libevent=no
fi
if test "$with_libevent" = "no"; then
AC_MSG_ERROR([libevent headers or binaries were not found])
fi
;;
esac
AC_MSG_CHECKING(for libevent)
AC_MSG_RESULT([$with_libevent])
if test "$with_libevent" != "disabled"; then
libevent_test_option="--mysqld=--thread-handling=pool-of-threads"
AC_SUBST(libevent_libs)
AC_SUBST(libevent_includes)
AC_SUBST(libevent_test_option)
AC_DEFINE([HAVE_LIBEVENT], [1], [If we want to use libevent and have connection pooling])
fi
AM_CONDITIONAL([HAVE_LIBEVENT], [ test "$with_libevent" != "disabled" ])
])
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