Branch b1_4

[fs/lustre-release.git] / libsysio / configure.in

diff --git a/libsysio/configure.in b/libsysio/configure.in
index 7d24d86..a0e77f3 100644 (file)
--- a/libsysio/configure.in
+++ b/libsysio/configure.in
@@ -1,8 +1,10 @@
-AC_INIT(libsysio, 0.1)
+AC_INIT(libsysio, 1.2)
 
 AC_CANONICAL_HOST
 
 case "$host_os" in
+  aix*)
+       ;;
   linux*)
        ;;
   *)
@@ -11,9 +13,9 @@ case "$host_os" in
 esac
 
 AM_INIT_AUTOMAKE([subdir-objects])
+AC_PROG_CC
 AM_PROG_CC_C_O
 
-AC_PROG_CC
 AC_PROG_RANLIB
 AC_PROG_MAKE_SET
 AC_HEADER_STDC
@@ -112,6 +114,17 @@ AC_ARG_WITH(defer-init-cwd,
   [with_defer_init_cwd=no])
 AC_SUBST(DEFER_INIT_CWD)
 
+AC_ARG_WITH(tracing,
+  AC_HELP_STRING([--with-tracing],
+    [enable tracing support]),
+  [    case "${withval}" in
+        yes) TRACING=-DSYSIO_TRACING=1 ;;
+        no) ;;
+        *) AC_MSG_ERROR(bad value ${withval} for --with-tracing) ;;
+       esac],
+  [TRACING=-DSYSIO_TRACING=1])
+AC_SUBST(TRACING)
+
 AC_ARG_WITH(cplant_yod,
    AC_HELP_STRING([--with-cplant-yod],[build cplant yod I/O driver]),
    [   case "${withval}" in    
@@ -169,6 +182,16 @@ if test x$with_lustre_hack = xyes; then
        AC_DEFINE(HAVE_LUSTRE_HACK)
 fi
 
+AC_ARG_WITH(alternate-symbols,
+  AC_HELP_STRING([--with-alternate-symbols@<:@=<qualifier>@:>@],
+    [Prepend standard, public, symbols with a unique qualifer]),
+  [    case "${withval}" in
+        yes) SYSIO_LABEL_NAMES=-DSYSIO_LABEL_NAMES=sysio_ ;;
+        no) ;;
+        *) SYSIO_LABEL_NAMES=-DSYSIO_LABEL_NAMES="${withval}" ;;
+       esac])
+AC_SUBST(SYSIO_LABEL_NAMES)
+
 # We keep the original values in `$config_*' and never modify them, so we
 # can write them unchanged into config.make.  Everything else uses
 # $machine, $vendor, and $os, and changes them whenever convenient.
@@ -209,6 +232,52 @@ if test "$machine" = rs6000; then
        machine="powerpc"
 fi
 
+case "$host_os" in
+  gnu* | linux*)
+       AC_DEFINE(_XOPEN_SOURCE, 600)
+       ;;
+  aix*)
+       # ... and always needed...
+       AC_DEFINE(__USE_LARGEFILE64)
+       AC_DEFINE(_LARGE_FILES)
+       AC_DEFINE(_LARGE_FILE_API)
+       AC_DEFINE(_ALL_SOURCE)
+       AC_DEFINE(_XOPEN_SOURCE_EXTENDED)
+       ;;
+esac
+
+AC_MSG_CHECKING(for symlink support)
+AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <sys/stat.h>
+],[
+#ifndef S_ISLNK
+#error
+#endif
+],
+       symlink_support="yes",
+       symlink_support="no"
+)
+AC_MSG_RESULT($symlink_support)
+
+if test x$symlink_support = xyes; then
+       AC_MSG_CHECKING(if readlink returns int)
+       AC_TRY_COMPILE([
+#include <unistd.h>
+       ],[
+               extern int readlink(const char *, char *, size_t);
+       ],
+               readlink_returns_int="yes",
+               readlink_returns_int="no"
+       )
+       AC_MSG_RESULT($readlink_returns_int)
+       if test x$readlink_returns_int = no; then
+               AC_DEFINE(HAVE_POSIX_1003_READLINK,
+                         1,
+                         [readlink returns ssize_t])
+       fi
+fi
+
 AC_MSG_CHECKING(if readlink returns ssize_t)
 AC_TRY_COMPILE([
        #include <unistd.h>