Replace shell_quote function with %Q and %R printf specifiers.

[libguestfs.git] / daemon / configure.ac

diff --git a/daemon/configure.ac b/daemon/configure.ac
index dc6936b..243f353 100644 (file)
--- a/daemon/configure.ac
+++ b/daemon/configure.ac
@@ -65,6 +65,22 @@ AC_CHECK_LIB([portablexdr],[xdrmem_create],[],[
 dnl Functions which may not be available in older distributions.
 AC_CHECK_FUNCS([futimens listxattr llistxattr getxattr lgetxattr setxattr lsetxattr removexattr lremovexattr])
 
+dnl For modified printf, we need glibc either (old-style)
+dnl register_printf_function or (new-style) register_printf_specifier.
+AC_CHECK_FUNC([register_printf_specifier],[
+       AC_DEFINE([HAVE_REGISTER_PRINTF_SPECIFIER],[1],
+               [Define to 1 if you have new-style register_printf_specifier])
+       ],[
+       AC_CHECK_FUNC([register_printf_function],[
+               AC_DEFINE([HAVE_REGISTER_PRINTF_FUNCTION],[1],
+                       [Define to 1 if you have old-style register_printf_function])
+               ],[
+               AC_MSG_FAILURE(
+[No support for glibc-style extended printf formatters.
+
+This means you either have a very old glibc (pre-2.0) or you
+are using some other libc where this is not supported.])])])
+
 dnl Headers.
 AC_CHECK_HEADERS([attr/xattr.h sys/xattr.h])