remove cbrt configuration check

Graphviz is built with C99 which requires cbrt.

diff --git a/configure.ac b/configure.ac
index 68634d4293b150be69133dc8d02bbd7b019ac170..0bceb48a3be197bd84f5c227ddf4de748f48bd2a 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -467,7 +467,7 @@ LIBS=$save_LIBS
 
 # Checks for library functions
 AC_CHECK_FUNCS([lrand48 drand48 srand48 setmode setenv getenv \
-       cbrt getpagesize \
+       getpagesize \
   ftruncate lseek64 stat64 select])
 
 AC_REPLACE_FUNCS([strcasestr])