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| AC_DEFUN([_AX_SUBMODULE],
[
m4_if(m4_bregexp($3,|,choice),choice,
[AC_ARG_WITH($2,
[AS_HELP_STRING([--with-$1=$3],
[Which $1 to use [default=$4]])])])
case "system" in
$3)
AC_ARG_WITH($2_prefix,
[AS_HELP_STRING([--with-$1-prefix=DIR],
[Prefix of $1 installation])])
AC_ARG_WITH($2_exec_prefix,
[AS_HELP_STRING([--with-$1-exec-prefix=DIR],
[Exec prefix of $1 installation])])
esac
m4_if(m4_bregexp($3,build,build),build,
[AC_ARG_WITH($2_builddir,
[AS_HELP_STRING([--with-$1-builddir=DIR],
[Location of $1 builddir])])])
if test "x$with_$2_prefix" != "x" -a "x$with_$2_exec_prefix" = "x"; then
with_$2_exec_prefix=$with_$2_prefix
fi
if test "x$with_$2_prefix" != "x" -o "x$with_$2_exec_prefix" != "x"; then
if test "x$with_$2" != "x" -a "x$with_$2" != "xsystem"; then
AC_MSG_ERROR([Setting $with_$2_prefix implies use of system $1])
fi
with_$2="system"
fi
if test "x$with_$2_builddir" != "x"; then
if test "x$with_$2" != "x" -a "x$with_$2" != "xbuild"; then
AC_MSG_ERROR([Setting $with_$2_builddir implies use of build $1])
fi
with_$2="build"
$2_srcdir=`echo @abs_srcdir@ | $with_$2_builddir/config.status --file=-`
AC_MSG_NOTICE($1 sources in $$2_srcdir)
fi
if test "x$with_$2_exec_prefix" != "x"; then
export PKG_CONFIG_PATH="$with_$2_exec_prefix/lib/pkgconfig${PKG_CONFIG_PATH+:$PKG_CONFIG_PATH}"
fi
case "$with_$2" in
$3)
;;
*)
case "$4" in
bundled)
if test -d $srcdir/.git -a \
-d $srcdir/$1 -a \
"`cd $srcdir; git submodule status $1 | cut -c1`" = '-'; then
AC_MSG_WARN([git repo detected, but submodule $1 not initialized])
AC_MSG_WARN([You may want to run])
AC_MSG_WARN([ git submodule init])
AC_MSG_WARN([ git submodule update])
AC_MSG_WARN([ sh autogen.sh])
fi
if test -f $srcdir/$1/configure; then
with_$2="bundled"
else
case "system" in
$3)
with_$2="system"
;;
*)
with_$2="no"
;;
esac
fi
;;
*)
with_$2="$4"
;;
esac
;;
esac
AC_MSG_CHECKING([which $1 to use])
AC_MSG_RESULT($with_$2)
])
AC_DEFUN([AX_SUBMODULE], [
_AX_SUBMODULE($1, m4_bpatsubst([$1],
[[^_abcdefghijklmnopqrstuvwxyz0123456789]],[_]), $2, $3)
])
|