X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=libsysio%2Fconfigure.in;h=2aedbf184a14e32a0d04f180ff45ed3f5dfd7b5f;hp=4ed6794460a834deb66a9e08ef25bc64ffe3e50f;hb=7df8d1beac6b12f9e60681cecacc911fd22acbc8;hpb=6b6514dc5f361bd3871c447e42fde55cff7d252e

diff --git a/libsysio/configure.in b/libsysio/configure.in
index 4ed6794..2aedbf1 100644
--- 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
+AC_CANONICAL_SYSTEM
 
 case "$host_os" in
+  aix*)
+  	;;
   linux*)
 	;;
   *)
@@ -11,15 +13,20 @@ case "$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
 AC_HEADER_STAT
 AC_HEADER_TIME
 
+if test ${target_cpu} == "powerpc64"; then
+	AC_MSG_WARN([set compiler with -m64])
+	CC="$CC -m64"
+fi
+
 have_lib_dir=yes;
 AC_ARG_WITH(lib-dir,
   AC_HELP_STRING([--with-lib-dir=<sysio lib build directory>],
@@ -112,6 +119,17 @@ 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 +187,16 @@ 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 $os, and changes them whenever convenient.
@@ -209,20 +237,64 @@ if test "$machine" = rs6000; then
 	machine="powerpc"
 fi
 
-AC_MSG_CHECKING(if readlink returns ssize_t)
+case "$host_os" in
+  gnu* | linux*)
+	AC_DEFINE(_XOPEN_SOURCE, 600)
+	;;
+  aix*)
+	# ... and always needed...
+	AC_DEFINE(__USE_LARGEFILE64)
+	AC_DEFINE(_LARGE_FILES)
+	AC_DEFINE(_LARGE_FILE_API)
+	AC_DEFINE(_ALL_SOURCE)
+	AC_DEFINE(_XOPEN_SOURCE_EXTENDED)
+	;;
+esac
+
+AC_MSG_CHECKING(for symlink support)
 AC_TRY_COMPILE([
-	include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
 ],[
-	ssize_t readlink(const char *, char *, size_t);
+#ifndef S_ISLNK
+#error
+#endif
 ],
-	readlink_returns_ssize_t="yes",
-	readlink_returns_ssize_t="yes"
+	symlink_support="yes",
+	symlink_support="no"
 )
-AC_MSG_RESULT($readlink_returns_ssize_t)
-if test x$readlink_returns_ssize_t = xyes; then
-	AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t])
+AC_MSG_RESULT($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>
+],[
+	ssize_t readlink(const char *, char *, size_t);
+],[
+	AC_MSG_RESULT([yes])
+	AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t])
+],[
+	AC_MSG_RESULT([no])
+])
+
 # 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)