configure: remove some unneeded checks

diff --git a/configure.ac b/configure.ac
index 4c7e37dda9d2fc00b132c5e88da49321de4cc430..b3538b9bdf338cd185f1095921269da854835a8f 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -16,18 +16,10 @@ AM_PROG_AS
 # Checks for header files.
 AC_HEADER_STDC
 AC_HEADER_STDBOOL
-AC_CHECK_HEADERS([inttypes.h stdint.h stdlib.h string.h sys/time.h unistd.h iconv.h])
-
-# Checks for typedefs, structures, and compiler characteristics.
-AC_C_CONST
-AC_C_INLINE
-AC_TYPE_INT64_T
-AC_TYPE_SIZE_T
-AC_TYPE_UINT32_T
-AC_TYPE_UINT8_T
+AC_CHECK_HEADERS([stdint.h unistd.h iconv.h])
 
 # Checks for library functions.
-AC_CHECK_FUNCS([mkdir strcasecmp strdup strndup strtol])
+AC_CHECK_FUNCS([strdup strndup])
 
 # Checks for libraries.
 AC_SEARCH_LIBS([libiconv_open], [iconv], AC_DEFINE(CONFIG_ICONV, 1, [use iconv]))