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