[Boost-commit] svn:boost r69249 - trunk/tools/quickbook/src

Subject: [Boost-commit] svn:boost r69249 - trunk/tools/quickbook/src
From: dnljms_at_[hidden]
Date: 2011-02-24 15:56:49

Author: danieljames
Date: 2011-02-24 15:56:47 EST (Thu, 24 Feb 2011)
New Revision: 69249
URL: http://svn.boost.org/trac/boost/changeset/69249

Log:
Workaround for optimization bug in 64-bit g++ 4.4.
Text files modified: 
   trunk/tools/quickbook/src/actions.cpp          |     2 ++                                      
   trunk/tools/quickbook/src/actions.hpp          |     8 ++++++++                                
   trunk/tools/quickbook/src/doc_info_grammar.cpp |     4 ++--                                    
   3 files changed, 12 insertions(+), 2 deletions(-)

Modified: trunk/tools/quickbook/src/actions.cpp
==============================================================================
--- trunk/tools/quickbook/src/actions.cpp	(original)
+++ trunk/tools/quickbook/src/actions.cpp	2011-02-24 15:56:47 EST (Thu, 24 Feb 2011)
@@ -30,6 +30,8 @@
     int qbk_minor_version = -1;
     unsigned qbk_version_n = 0; // qbk_major_version * 100 + qbk_minor_version
 
+    void assign_qbk_version::operator()(int value) const { v_ = value; }
+
     namespace {
         std::string fully_qualified_id(std::string const& library_id,
             std::string const& qualified_section_id,

Modified: trunk/tools/quickbook/src/actions.hpp
==============================================================================
--- trunk/tools/quickbook/src/actions.hpp	(original)
+++ trunk/tools/quickbook/src/actions.hpp	2011-02-24 15:56:47 EST (Thu, 24 Feb 2011)
@@ -37,6 +37,14 @@
     extern int qbk_major_version;
     extern int qbk_minor_version;
     extern unsigned qbk_version_n; // qbk_major_version * 100 + qbk_minor_version
+    
+    // This struct is used to avoid an optimization bug
+    // in g++ 4.4 on 64-bit linux.
+    struct assign_qbk_version {
+        assign_qbk_version(int& v) : v_(v) {}
+        void operator()(int value) const;
+        int& v_;
+    };
 
     struct quickbook_range {
         template <typename Arg>

Modified: trunk/tools/quickbook/src/doc_info_grammar.cpp
==============================================================================
--- trunk/tools/quickbook/src/doc_info_grammar.cpp	(original)
+++ trunk/tools/quickbook/src/doc_info_grammar.cpp	2011-02-24 15:56:47 EST (Thu, 24 Feb 2011)
@@ -80,9 +80,9 @@
 
         local.quickbook_version =
                 "quickbook" >> hard_space
-            >>  (   cl::uint_p              [cl::assign_a(qbk_major_version)]
+            >>  (   cl::uint_p              [assign_qbk_version(qbk_major_version)]
                     >> '.' 
-                    >>  uint2_t()           [cl::assign_a(qbk_minor_version)]
+                    >>  uint2_t()           [assign_qbk_version(qbk_minor_version)]
                 )
             ;