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Wrap AM_PATH_XML2 by m4_ifdef to handle the case when AM_PATH_XML2 is not found

This commit is contained in:
Tatsuhiro Tsujikawa 2016-02-14 00:05:12 +09:00
parent eb0c82d91f
commit 6b12f17f44
1 changed files with 4 additions and 1 deletions
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5
configure.ac
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@ -352,7 +352,10 @@ fi
# libxml2 (for src/nghttp)
have_libxml2=no
if test "x${request_libxml2}" != "xno"; then
AM_PATH_XML2(2.7.7, [have_libxml2=yes], [have_libxml2=no])
m4_ifdef([AM_PATH_XML2],
[AM_PATH_XML2(2.7.7, [have_libxml2=yes], [have_libxml2=no])],
[AC_MSG_WARN([configure was created without libxml2 detection macro; libxml2 detection is disabled])])
if test "x${have_libxml2}" = "xyes"; then
AC_DEFINE([HAVE_LIBXML2], [1], [Define to 1 if you have `libxml2` library.])
fi