Update configure.ac to eliminate deprecated macros.

diff --git a/doc/configure.ac b/doc/configure.ac
index 2304e2dd837e82581de7fc9667d0cf5c8a778399..d7b46a944b1a69945ced9fe97ec7efc46aad050e 100644 (file)
--- a/doc/configure.ac
+++ b/doc/configure.ac
@@ -45,7 +45,7 @@ TARGETS=
 INST_TARGETS=
 
 AC_ARG_ENABLE([html],
-    [AC_HELP_STRING([--enable-html],
+    [AS_HELP_STRING([--enable-html],
         [generate HTML documentation [[yes]]])])
 : ${enable_html=yes}
 if test x"${enable_html}" = xno; then
@@ -57,7 +57,7 @@ test x"${htmldir}" = x || TARGETS="${TARGETS} \$(TARGET_ROOT)/index.html"
 test x"${htmldir}" = x || INST_TARGETS="${INST_TARGETS} install-html"
 
 AC_ARG_ENABLE([pdf],
-    [AC_HELP_STRING([--enable-pdf],
+    [AS_HELP_STRING([--enable-pdf],
        [generate PDF documentation [[yes]]])])
 : ${enable_pdf=yes}
 if test x"${enable_pdf}" = xno; then
@@ -69,7 +69,7 @@ test x"${pdfdir}" = x || TARGETS="${TARGETS} \$(TARGET_ROOT).pdf"
 test x"${pdfdir}" = x || INST_TARGETS="${INST_TARGETS} install-pdf"
 
 AC_ARG_ENABLE([ps],
-    [AC_HELP_STRING([--enable-ps],
+    [AS_HELP_STRING([--enable-ps],
        [generate Postscript documentation [[no]]])])
 : ${enable_pdf=no}
 if test x"${enable_ps}" = xno; then