X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=configure.in;h=9ab0b3e4515b353672ea874b6cbc9e3508270911;hb=4f4fe366c6c98b2be268756eff8b324e55e2fee2;hp=13c01a9659f2732b220f1f7fd6625efa214709fb;hpb=f3718a8ae29df326133891a60b3ef5b62a560e6e;p=ghc-hetmet.git

diff --git a/configure.in b/configure.in
index 13c01a9..9ab0b3e 100644
--- a/configure.in
+++ b/configure.in
@@ -16,6 +16,9 @@ dnl
 # First off, a distrib sanity check..
 AC_INIT(mk/config.mk.in)
 
+dnl * We require autoconf version 2.53 due to the use of AC_SYS_LARGEFILE
+AC_PREREQ(2.52)
+
 dnl * Declare subdirectories that have a private configure script
 dnl
 dnl After the toplevel configuration is complete, the script will recurse into
@@ -721,6 +724,10 @@ dnl ### checking the state of the local header files and syscalls ###
 dnl ** check for full ANSI header (.h) files
 AC_HEADER_STDC
 
+dnl ** Enable large file support.  NB. do this before testing the type of
+dnl    off_t, because it will affect the result of that test.
+AC_SYS_LARGEFILE
+
 dnl ** check for specific header (.h) files that we are interested in
 AC_CHECK_HEADERS(Files.h arpa/inet.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h inttypes.h limits.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.h stddef.h stdarg.h string.h sys/fault.h sys/file.h sys/ioctl.h sys/limits.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h netdb.h netinet/in.h netinet/tcp.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/un.h sys/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h vfork.h bfd.h winsock.h pthread.h sys/uio.h)
 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
@@ -1248,11 +1255,6 @@ AC_C_PROTOTYPES
 
 dnl ** are we big endian?
 AC_C_BIGENDIAN
-# Allay users' general fear of warnings of any kind.
-errprint(fptools configure script wizard sez: autoconf-2.50 or later should produce no warnings
-)
-errprint(if you are using 2.13 or earlier, you may get a (harmless) warning message.
-)
 
 dnl ** check for leading underscores in symbol names
 FPTOOLS_UNDERSCORE