Otherwise users get an error later like:
./configure: line 5093: syntax error near unexpected token
`disable-shared' ./configure: line 5093: `LT_INIT(disable-shared)'
It's probably friendlier to make configuration fail earlier.
Signed-off-by: Ben Pfaff <[email protected]>
---
configure.ac | 2 ++
1 file changed, 2 insertions(+)
diff --git a/configure.ac b/configure.ac
index f6a11f0..6a999d0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -41,6 +41,8 @@ AC_C_BIGENDIAN
AC_SYS_LARGEFILE
LT_INIT([disable-shared])
+m4_pattern_forbid([LT_INIT]) dnl Make autoconf fail if libtool is missing.
+
AC_SEARCH_LIBS([pow], [m])
AC_SEARCH_LIBS([clock_gettime], [rt])
AC_SEARCH_LIBS([timer_create], [rt])
--
1.7.10.4
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