## m4/dgc_enable_debug.m4
AC_DEFUN([DGC_ENABLE_DEBUG], [

AC_ARG_ENABLE(debug, [  --enable-debug            Enable debugging output],
	[
		CPPFLAGS="$CPPFLAGS -DDEBUG -g"
		LDFLAGS="$LDFLAGS -g"
	])

])


## m4/dgc_with_embed.m4
AC_DEFUN([DGC_WITH_EMBED], [
activate_embed () {
	EMBED_SH=${1}
	AC_MSG_RESULT([${2-${1}}])
	AC_DEFINE_UNQUOTED(EMBED_SH, ["$EMBED_SH"], [Define as the quoted path of embed.sh])
	#q='"'
	#CPPFLAGS="$CPPFLAGS -I`pwd` -D'EMBED_SH=$q$EMBED_SH$q'"
	CPPFLAGS="$CPPFLAGS -I`pwd`"
	EMBED_H=embed_code.h
}

AC_ARG_WITH(embed, [  --with-embed[=PATH]       Include embed using named embed.sh script],
	[
		if test "$withval" = "yes"; then
			AC_MSG_CHECKING([for embed.sh])
			if withval=`which embed.sh`; then
				activate_embed "$withval"
			else
				AC_MSG_RESULT([not found])
			fi
			withval=done
		fi
		if test "$withval" = "no"; then
			: nada
		elif test "$withval" != "done"; then
			AC_MSG_CHECKING([for embed.sh as $withval])
			if test ! -f "$withval"; then
				AC_MSG_RESULT([not found])
			elif test -x "$withval"; then
				activate_embed $withval yes
			else
				AC_MSG_RESULT([not executable])
			fi
		fi
	])
AC_SUBST([EMBED_SH])
AC_SUBST([EMBED_H])
])


## m4/dgc_with_libdrac.m4
AC_DEFUN([DGC_WITH_LIBDRAC], [
AC_ARG_WITH(libdrac, [  --with-libdrac[=PATH]     Include DRAC using PATH/include/libdrac.h
                          and PATH/lib/libdrac.*],
	[
		oCPPFLAGS="$CPPFLAGS"
		oLDFLAGS="$LDFLAGS"
		oLIBS="$LIBS"
		if test -x "$withval" -a "$withval" != "no"; then
			CPPFLAGS="$CPPFLAGS -I$withval/include"
			LDFLAGS="$LDFLAGS -L$withval/lib"
		fi
		LIBS="-ldrac $oLIBS"
		AC_MSG_CHECKING([whether libdrac is usable])
		AC_TRY_LINK(
			[ /* dracctx_t *ctx; */ ],
			[ drac_init(); ],
			[
				AC_MSG_RESULT([yes])
				AC_DEFINE(HAVE_LIBDRAC)
			],
			[
				AC_MSG_RESULT([no])
				CPPFLAGS="$oCPPFLAGS"
				LDFLAGS="$oLDFLAGS"
				LIBS="$oLIBS"
			])
	])
])


## m4/dgc_with_libwrap.m4
AC_DEFUN([DGC_WITH_LIBWRAP], [
AC_ARG_WITH(libwrap, [  --with-libwrap[=PATH]     Include libwrap using PATH/include/tcpd.h
                          and PATH/lib/libwrap.*],
	[
		oCPPFLAGS="$CPPFLAGS"
		oLDFLAGS="$LDFLAGS"
		oLIBS="$LIBS"
		if test -x "$withval" -a "$withval" != "no"; then
			CPPFLAGS="$CPPFLAGS -I$withval/include"
			LDFLAGS="$LDFLAGS -L$withval/lib"
		fi
		LIBS="-lwrap $oLIBS"
		AC_MSG_CHECKING([whether libwrap is usable])
		AC_TRY_LINK(
			[ int deny_severity; int allow_severity; ],
			[ hosts_access(); ],
			[
				AC_MSG_RESULT([yes])
				AC_DEFINE(HAVE_LIBWRAP)
			],
			[
				AC_MSG_RESULT([no])
				CPPFLAGS="$oCPPFLAGS"
				LDFLAGS="$oLDFLAGS"
				LIBS="$oLIBS"
			])
	])
])