[with_zero_sum_memory=no])
AC_SUBST(ZERO_SUM_MEMORY)
-AC_ARG_WITH(defer-init-cwd,
- AC_HELP_STRING([--with-defer-init-cwd],
- [defer initialization of current working directory]),
- [ case "${withval}" in
- yes) DEFER_INIT_CWD=-DDEFER_INIT_CWD=1 ;;
- no) ;;
- *) AC_MSG_ERROR(bad value ${withval} for --with-defer-init-cwd) ;;
- esac],
- [with_defer_init_cwd=no])
-AC_SUBST(DEFER_INIT_CWD)
-
AC_ARG_WITH(cplant_yod,
AC_HELP_STRING([--with-cplant-yod],[build cplant yod I/O driver]),
[ case "${withval}" in
machine="powerpc"
fi
-AC_MSG_CHECKING(if readlink returns ssize_t)
-AC_TRY_COMPILE([
- include <unistd.h>
-],[
- ssize_t readlink(const char *, char *, size_t);
-],
- readlink_returns_ssize_t="yes",
- readlink_returns_ssize_t="yes"
-)
-AC_MSG_RESULT($readlink_returns_ssize_t)
-if test x$readlink_returns_ssize_t = xyes; then
- AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t])
-fi
-
# If we can't provoke the declaration of stat64 then we assume the
# environment supports 64-bit file support naturally. Beware!
AC_MSG_CHECKING(whether _LARGEFILE64_SOURCE definition is required)
AC_MSG_RESULT($alpha_linux_env)
AM_CONDITIONAL(TEST_ALPHA_ARG, test x$alpha_linux_env = xyes)
+# check for 64 bit stat, fstat, truncate, ftruncate syscalls
+#
+AC_MSG_CHECKING(for 64 bit stat and truncate syscalls)
+AC_TRY_COMPILE([
+#include <sys/stat.h>
+#include <syscall.h>
+extern int syscall();],
+[char path[] = "/";
+int fd = 0;
+struct stat buf;
+syscall(SYS_stat64,path,&buf);
+syscall(SYS_fstat64,fd,&buf);
+syscall(SYS_truncate64, path, buf.st_size);
+syscall(SYS_ftruncate64, fd, buf.st_size);
+],
+ sysstat64_exists=yes,
+ sysstat64_exists=no)
+AC_MSG_RESULT($sysstat64_exists)
+if test x$sysstat64_exists = xno; then
+ AC_DEFINE(USE_NATIVE_STAT)
+fi
+
+# Check for fdatasync syscall
+#
+AC_MSG_CHECKING(for fdatasync system call)
+if test x$alpha_linux_env = xyes; then
+ _syscallnum=SYS_osf_fdatasync
+else
+ _syscallnum=SYS_fdatasync
+fi
+AC_TRY_COMPILE([
+#include <syscall.h>
+extern int syscall();],
+[int fd = 0;
+syscall(SYS_fdatasync, fd);],
+ syscall_fdatasync_exists=yes,
+ syscall_fdatasync_exists=no)
+AC_MSG_RESULT($syscall_fdatasync_exists)
+if test x$syscall_fdatasync_exists = xyes; then
+ AC_DEFINE_UNQUOTED(NATIVE_FDATASYNC, $_syscallnum)
+fi
+
+# Check for SYS_utime
+#
+AC_MSG_CHECKING(for utime system call)
+AC_TRY_COMPILE([
+#include <syscall.h>
+extern int syscall();],
+[syscall(SYS_utime);],
+ syscall_utime_exists=yes,
+ syscall_utime_exists=no)
+AC_MSG_RESULT($syscall_utime_exists)
+if test x$syscall_utime_exists = xno; then
+ AC_DEFINE(USE_NATIVE_UTIME)
+fi
# Check for __st_ino
#
AC_MSG_CHECKING(for __st_ino)