some lib/header/autotools cleaning

configure.ac

@@ -6,12 +6,31 @@ AC_CONFIG_AUX_DIR(.) # because of libtoolize
 AM_INIT_AUTOMAKE()
 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES])
 
+LT_INIT
+
 AC_PROG_CC
 AM_PROG_CC_C_O
 AC_PROG_CXX
 AC_PROG_CPP
 AC_PROG_INSTALL
-AC_PROG_LIBTOOL
 
-AC_OUTPUT(Makefile)
+#check for compilable GMP presence
+AC_CHECK_HEADERS([gmp.h], , AC_MSG_ERROR([Codecrypt requires gmp.h]))
+AC_CHECK_LIB(gmp, __gmpz_init, , AC_MSG_ERROR([Codecrypt requires libgmp]))
 
+#check for standard functions
+AC_CHECK_FUNCS([memset mkdir], , AC_MSG_ERROR([Required function missing]))
+
+#unixy headers
+AC_CHECK_HEADERS([fcntl.h inttypes.h stddef.h stdlib.h string.h sys/file.h unistd.h], , AC_MSG_ERROR([Required header file missing]))
+
+#other used stuff
+AC_CHECK_HEADER_STDBOOL
+AC_C_INLINE
+AC_TYPE_SIZE_T
+AC_TYPE_UINT32_T
+AC_TYPE_UINT64_T
+AC_TYPE_UINT8_T
+
+AC_CONFIG_FILES([Makefile])
+AC_OUTPUT

src/keyring.cpp

@@ -30,7 +30,7 @@ void keyring::clear()
  */
 
 #include "sha2.h"
-#include <stdint.h>
+#include <inttypes.h>
 
 std::string keyring::get_keyid (const std::string&pubkey)
 {

src/ripemd128.c

@@ -16,7 +16,7 @@
 */
 
 #include <stddef.h>
-#include <stdint.h>
+#include <inttypes.h>
 #include <string.h>
 
 #include "ripemd128.h"

src/ripemd128.h

@@ -24,7 +24,7 @@ extern "C" {
 
 #define RIPEMD128_DIGEST_LENGTH 16
 #include <stddef.h>
-#include <stdint.h>
+#include <inttypes.h>
 
 	struct ampheck_ripemd128 {
 		uint32_t h[4];

src/sha_hash.h

@@ -21,7 +21,7 @@
 
 #include "hash.h"
 #include "sha2.h"
-#include <stdint.h>
+#include <inttypes.h>
 
 class sha256hash : public hash_func
 {