(x)memcoll: speedup when input is known to be NUL delimited

[pspp] / m4 / memcoll.m4

diff --git a/m4/memcoll.m4 b/m4/memcoll.m4
index 1c4bd61c000dfae0677b4b2fa6c202a7353b0997..0edf30ca42b399a93bc98973d57d31e09ff99098 100644 (file)
--- a/m4/memcoll.m4
+++ b/m4/memcoll.m4
@@ -7,6 +7,7 @@ dnl with or without modifications, as long as this notice is preserved.
 
 AC_DEFUN([gl_MEMCOLL],
 [
+  AC_REQUIRE([AC_C_INLINE])
   AC_LIBOBJ([memcoll])
 
   dnl Prerequisites of lib/memcoll.c.