configure: spell the "=" operator to test(1) correctly

[openafs.git] / acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
index 4764f5e..1221e66 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -253,7 +253,7 @@ AC_ARG_WITH([docbook-stylesheets],
        [location of DocBook stylesheets (default is to search a set of likely paths)]),
                [DOCBOOK_STYLESHEETS="$withval"],
        OPENAFS_SEARCH_DIRLIST([DOCBOOK_STYLESHEETS], [/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/xml/docbook/xsl-stylesheets /usr/share/sgml/docbook/docbook-xsl-stylesheets /usr/share/sgml/docbook/xsl-stylesheets /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl], [$HTML_XSL])
-       if test "x$DOCBOOK_STYLESHEETS" == "x"; then
+       if test "x$DOCBOOK_STYLESHEETS" = "x"; then
                AC_WARN([Docbook stylesheets not found; some documentation can't be built])
        fi)