X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;ds=sidebyside;f=configure.ac;h=b89a3b81ead78a02157a963b9e73d5fc90865afc;hb=55ec665a41de8e51d685e96000c4144f9aa5c6f2;hp=1e7329b199dae88d9727bbee022074346c0664b7;hpb=e1a4fea80dc890638c4a543f2a535e9e28d790f3;p=chaz%2Ftar

diff --git a/configure.ac b/configure.ac
index 1e7329b..b89a3b8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -262,6 +262,14 @@ AC_CHECK_TYPE(iconv_t,:,
 #endif
 ])
 
+# Check if we have reentrant versions of getopt. Argp needs them,
+# but many versions of Glibc lack them, though they define the
+# same getopt interface version as lib/getopt.c.
+AC_CHECK_FUNC(_getopt_long_only_r,
+              :,
+              [AC_DEFINE(WANT_INCLUDED_GETOPT,1,
+                         [Define if the included version of getopt has to be used])])
+
 AC_SUBST(BACKUP_LIBEXEC_SCRIPTS)
 AC_SUBST(BACKUP_SBIN_SCRIPTS)
 AC_ARG_ENABLE(backup-scripts,