autoconf changes to build on a debian/testing machine

INSTALL

@@ -3,7 +3,7 @@ Installation Instructions
 
 If pulling from git, you first need to build the configure script with
 
-$ ./reconf
+$ ./autogen.sh
 
 Then,
 
@@ -13,3 +13,9 @@ $ make
 Note that if the FUSE library is not found, the user-space fuse client
 will not be built.  
 
+If you are doing development, you may want to do
+
+$ CXXFLAGS="-g -pg" ./configure
+
+or similar to avoid the default (-g -O2), which includes optimizations
+(-O2).

README

@@ -2,3 +2,5 @@ Ceph - a scalable distributed file system
 -----------------------------------------
 
 Please see http://ceph.sourceforge.net/ for current info.
+
+INSTALL for basic build instructions.

configure.ac

@@ -50,7 +50,7 @@ AS_IF([test "x$with_ccgnu" != xno],
              [AC_SUBST([LIBCCGNU2], ["-lccgnu2"])
               AC_DEFINE([WITH_CCGNU], [1],
                         [Define if you have ccgnu])
-	      LIBS="-lccgnu2 $LIBS"
+	      LIBS="-lccgnu2 -ldl $LIBS"
              ],
              [if test "x$with_ccgnu" != xcheck; then
                  AC_MSG_FAILURE(
@@ -103,7 +103,7 @@ AC_FUNC_FORK
 AC_PROG_GCC_TRADITIONAL
 AC_FUNC_LSTAT
 AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
-AC_FUNC_MALLOC
+#AC_FUNC_MALLOC   # this causes annoying rpl_malloc error on some machines; skip it
 AC_FUNC_MEMCMP
 AC_FUNC_MMAP
 AC_FUNC_REALLOC

src/config.cc

@@ -16,6 +16,7 @@
 #include "config.h"
 #include "include/types.h"
 #include <fstream>
+#include <stdlib.h>
 
 //#define MDS_CACHE_SIZE        4*10000   -> <20mb
 //#define MDS_CACHE_SIZE        80000         62mb

src/crush/CrushWrapper.h

@@ -11,6 +11,7 @@
 
 #include "include/encodable.h"
 
+#include <stdlib.h>
 #include <map>
 #include <set>