AC_DEFUN_ONCE(AC__LIBREPLACE_ONLY_CC_CHECKS_START,
[
echo "LIBREPLACE_CC_CHECKS: START"
])

AC_DEFUN_ONCE(AC__LIBREPLACE_ONLY_CC_CHECKS_END,
[
echo "LIBREPLACE_CC_CHECKS: END"
])

dnl
dnl
dnl AC_LIBREPLACE_CC_CHECKS
dnl
dnl Note: we need to use m4_define instead of AC_DEFUN because
dnl       of the ordering of tests
dnl       
dnl 
m4_define(AC_LIBREPLACE_CC_CHECKS,
[
AC__LIBREPLACE_ONLY_CC_CHECKS_START

dnl stop the C89 attempt by autoconf - if autoconf detects -Ae it will enable it
dnl which conflicts with C99 on HPUX
ac_cv_prog_cc_Ae=no

savedCFLAGS=$CFLAGS
AC_PROG_CC
CFLAGS=$savedCFLAGS
dnl AC_PROG_CPP
dnl AC_PROG_EGREP
dnl AC_GNU_SOURCE
dnl AC_AIX
dnl AC_MINIX
dnl AC_GNU_SOURCE
dnl AC_INCLUDES_DEFAULT
dnl AC_USE_SYSTEM_EXTENSIONS
dnl AC_INCLUDES_DEFAULT
dnl AC_HEADER_STDC
AC_ISC_POSIX
AC_USE_SYSTEM_EXTENSIONS
AC_PROG_CC_C99
AC_C_INLINE
AC_C_BIGENDIAN
AC_PROG_INSTALL

AH_VERBATIM([_XOPEN_SOURCE_EXTENDED],
[/* Enable XOPEN extensions on systems that have them.  */
#ifndef _XOPEN_SOURCE_EXTENDED
# define _XOPEN_SOURCE_EXTENDED 1
#endif])

AH_VERBATIM([_OSF_SOURCE],
[/* Enable OSF extensions on systems that have them.  */
#ifndef _OSF_SOURCE
# define _OSF_SOURCE 1
#endif])

LIBREPLACE_C99_STRUCT_INIT([],[AC_MSG_WARN([c99 structure initializer are not supported])])

AC_SYS_LARGEFILE

dnl Add #include for broken IRIX header files
case "$host_os" in
	*irix6*) AC_ADD_INCLUDE(<standards.h>)
		;;
esac

AC_CHECK_HEADERS([standards.h])

AC_CHECK_TYPE(uint_t, unsigned int)
AC_CHECK_TYPE(int8_t, char)
AC_CHECK_TYPE(uint8_t, unsigned char)
AC_CHECK_TYPE(int16_t, short)
AC_CHECK_TYPE(uint16_t, unsigned short)
AC_CHECK_TYPE(int32_t, long)
AC_CHECK_TYPE(uint32_t, unsigned long)
AC_CHECK_TYPE(int64_t, long long)
AC_CHECK_TYPE(uint64_t, unsigned long long)

AC_CHECK_TYPE(size_t, unsigned int)
AC_CHECK_TYPE(ssize_t, int)

AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(char)
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)

AC_CHECK_SIZEOF(off_t)
AC_CHECK_SIZEOF(size_t)
AC_CHECK_SIZEOF(ssize_t)

AC_CHECK_TYPE(intptr_t, unsigned long long)
AC_CHECK_TYPE(ptrdiff_t, unsigned long long)

AC__LIBREPLACE_ONLY_CC_CHECKS_END
]) dnl end AC_LIBREPLACE_CC_CHECKS