Removed obsolete autoconf macros

diff --git a/configure.ac b/configure.ac
index 8a4e2d9..c93bcc9 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -13,12 +13,6 @@ dnl Testing the C compiler.
 AC_PROG_CC
 AC_LANG_C
 
-dnl Checking for header files.
-AC_HEADER_STDC
-AC_HEADER_SYS_WAIT
-AC_CHECK_HEADERS(stdlib.h unistd.h errno.h assert.h)
-AC_CHECK_HEADERS(string.h strings.h)
-
 dnl Checking for typedefs, structures, and compiler characteristics.
 AC_C_CONST
 AC_TYPE_PID_T