r266: mktemp provides an absolute path...

[nbd.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 4a6d9f0..e02421c 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -38,6 +38,7 @@ AC_ARG_ENABLE(
   ],
   [ISSERVER=0]
 )
+
 AC_MSG_CHECKING([whether syslog logging is requested])
 if test $ISSERVER -eq 1; then
   AC_DEFINE(ISSERVER,1, [Define to 1 if you want nbd-server to log through syslog])
@@ -46,6 +47,30 @@ else
   AC_MSG_RESULT([no])
 fi
 
+AC_ARG_ENABLE(
+  debug,
+  AC_HELP_STRING(--enable-debug,Build a debugging version of the server),
+  [
+    if test "x$enableval" = "xyes"; then
+      DODBG=1
+    else
+      DODBG=0
+    fi
+  ],
+  [DODBG=0]
+)
+AC_MSG_CHECKING([whether a debugging version is requested])
+if test $DODBG -eq 1; then
+  AC_MSG_RESULT([yes])
+  if test $ISSERVER -eq 1; then
+    AC_MSG_ERROR([You requested both syslog logging and a debugging version of the server. Bad idea!])
+  fi
+  AC_DEFINE(DODBG,1,[Define if you want a debugging version of nbd-server (lots of copious output)])
+  AC_DEFINE(NOFORK,1,[Define if you don't want the nbd-server to fork()])
+else
+  AC_MSG_RESULT([no])
+fi
+
 AC_PROG_CC
 AC_PROG_CPP
 AC_PROG_INSTALL
@@ -86,17 +111,26 @@ AC_TRY_COMPILE([#define u32 int
 [int foo=NBD_CMD_DISC],
     [AC_DEFINE(NBD_H_LINUX, 1, Set to 1 if a (2.6) nbd.h can be found in the linux directory in the search path)
       NBD_H='<linux/nbd.h>'],
+    AC_TRY_COMPILE([#include <linux/nbd.h>
+      ],
+      [int foo=NBD_CMD_DISC],
+      [AC_DEFINE(NBD_H_LINUX, 1, Set to 1 if a (2.6) nbd.h can be found in the linux directory in the search path)
+        NBD_H='<linux/nbd.h>'],
     AC_MSG_ERROR(Could not find an nbd.h from 2.6 or above.)
+    )
   )
 )
 if test -f nbd.h
 then
-  if test $NBD_H='<linux/nbd.h>'
+  if test "$NBD_H" = '<linux/nbd.h>'
   then
     AC_MSG_WARN([there is a local nbd.h, but it is from the 2.4-series of kernels. Using the system-provided, working, nbd.h])
   fi
 fi
 AC_MSG_RESULT($NBD_H)
+AC_SEARCH_LIBS(bind, socket,, AC_MSG_ERROR([Could not find an implementation of the bind() system call]))
+AC_SEARCH_LIBS(inet_ntoa, nsl,, AC_MSG_ERROR([Could not find an implementation of the inet_ntoa() system call]))
+AC_SEARCH_LIBS(daemon, resolv,, AC_MSG_ERROR([Could not find an implementation of the daemon() system call]))
 AC_CHECK_HEADERS([sys/mount.h],,,
 [[#include <sys/param.h>
 ]])