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-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index e92ffea..121e507 100644
--- a/configure.ac
+++ b/configure.ac
@@ -34,7 +34,7 @@ AC_FUNC_FORK
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_TYPE_SIGNAL
-AC_CHECK_FUNCS([dup2 setenv strchr strdup strrchr strstr])
+AC_CHECK_FUNCS([strchr strdup strrchr strstr])
# Check for fltk
AC_PATH_PROG(FLTKCONFIG,fltk-config)