X-Git-Url: https://git.brokenzipper.com/gitweb?a=blobdiff_plain;f=configure.ac;h=a02494e223fe0eef8d5f24ec2b4149aff972a108;hb=03092879ac1529b6f948e14f9a4edb8795dc0a68;hp=1e7329b199dae88d9727bbee022074346c0664b7;hpb=e1a4fea80dc890638c4a543f2a535e9e28d790f3;p=chaz%2Ftar

diff --git a/configure.ac b/configure.ac
index 1e7329b..a02494e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -132,7 +132,6 @@ LIBS=$tar_save_LIBS
 AC_CHECK_FUNCS(fsync lstat mkfifo readlink strerror symlink setlocale utimes)
 AC_CHECK_DECLS([getgrgid],,, [#include <grp.h>])
 AC_CHECK_DECLS([getpwuid],,, [#include <pwd.h>])
-AC_CHECK_DECLS([valloc])
 AC_CHECK_DECLS([time],,, [#include <time.h>])
 
 # Set LIB_SETSOCKOPT to -lnsl -lsocket if necessary.
@@ -262,6 +261,14 @@ 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,