obstack: pacify HP C

[gnulib.git] / modules / tanf

diff --git a/modules/tanf b/modules/tanf
index 943f7c7..c5bde4b 100644 (file)
--- a/modules/tanf
+++ b/modules/tanf
@@ -7,6 +7,7 @@ m4/tanf.m4
 
 Depends-on:
 math
+extensions
 tan             [test $HAVE_TANF = 0]
 
 configure.ac: