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<title>ABI Compliance Checker: History</title>
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<h1>ABI Compliance<br/>Checker: History</h1>
<p/>
<br/>
<b>Version 1.99.24 (October 04, 2016)</b><br/>
<b>Improvements</b>
<ul>
<li>
Support for Clang
</li>
<li>
Improved a module to compare operating systems
</li>
<li>
Improved support for C++ keywords in C code
</li>
<li>
Improved support for Windows
</li>
<li>
Improved support for MinGW
</li>
</ul>
<b>New Options</b>
<ul>
<li>
-skip-typedef-uncover: do not report a problem if type is covered or uncovered by typedef (useful for broken debug info)
</li>
<li>
-mingw-compatible: if input header files are compatible with the MinGW GCC compiler, then you can tell the tool about this and speedup the analysis
</li>
<li>
-skip-unidentified: skip header files in 'headers' and 'include_preamble' sections of the XML descriptor that cannot be found
</li>
<li>
-disable-constants-check: do not check for changes in constants
</li>
<li>
-skip-added-constants: do not detect added constants
</li>
<li>
-skip-removed-constants: do not detect removed constants
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Do not show GCC version in the source compatibility report
</li>
<li>
Renamed CPU Type column to Arch in the report
</li>
<li>
Support for ABI dumps v3.3
</li>
<li>
The -cpp-compatible option is now enabled by default
</li>
</ul>
<br/>
<b>Version 1.99.23 (August 15, 2016)</b><br/>
<b>Improvements</b>
<ul>
<li>
Improved generation of quick empty reports
</li>
<li>
Improved SysCheck.pm module for analysis of operating systems
</li>
<li>
Improved support for Windows 10
</li>
</ul>
<b>New Options</b>
<ul>
<li>
-disable-quick-empty-report: do not generate quick empty report if input ABI dumps are equal
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Fixed lists of affected symbols in the XML-format report.
</li>
</ul>
<br/>
<b>Version 1.99.22 (July 04, 2016)</b><br/>
<b>Improvements</b>
<ul>
<li>
New style of the report
</li>
</ul>
<b>New Options</b>
<ul>
<li>
-old-style: generate old-style report
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Fixed handling of patterns in -skip-* options
</li>
<li>
Fixed rounding of the BC rate in the report
</li>
</ul>
<br/>
<b>Version 1.99.21 (May 26, 2016)</b><br/>
<b>Improvements</b>
<ul>
<li>
Up to 4 times faster on big libraries
</li>
<li>
Show compatibility rate instead of verdict in the report
</li>
<li>
Highlight the numbers of high/medium/low severity problems in the report
</li>
<li>
Show percentage of affected methods in the problem description
</li>
</ul>
<b>New Options</b>
<ul>
<li>
-count-symbols: count public symbols in the ABI dump
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Fixed quick comparison of equal ABI dumps
</li>
</ul>
<br/>
<b>Version 1.99.20 (May 14, 2016)</b><br/>
<b>Improvements</b>
<ul>
<li>
Use regular expressions instead of wildcards in -skip-* options
</li>
</ul>
<br/>
<b>Version 1.99.19 (April 18, 2016)</b><br/>
<b>Improvements</b>
<ul>
<li>
Support for GCC 5.1
</li>
</ul>
<b>Misc</b>
<ul>
<li>
Separated LICENSE file
</li>
<li>
Removed obsolete descriptors from the package
</li>
<li>
Updated docs
</li>
</ul>
<br/>
<b>Version 1.99.18 (April 03, 2016)</b><br/>
<b>Bug Fixes</b>
<ul>
<li>
Fixed comparison of qualifiers in parameter data types
</li>
<li>
Fixed problem descriptions in the report
</li>
<li>
Reduced size of the report
</li>
<li>
Fixed console output
</li>
</ul>
<br/>
<b>Version 1.99.17 (March 12, 2016)</b><br/>
<b>Improvements</b>
<ul>
<li>
Added a check for changes in parameters of function pointers
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Fixed comparison of virtual table entries
</li>
<li>
Do not show time stamp in the report
</li>
<li>
Fixed -skip-symbols option
</li>
<li>
Fixed detection of the GCC version number
</li>
</ul>
<br/>
<b>Version 1.99.16 (January 28, 2016)</b><br/>
<b>Improvements</b>
<ul>
<li>
Do not check private part of the ABI when comparing ABI dumps created by the ABI Dumper tool with use of the -public-headers option
</li>
</ul>
<b>New Options</b>
<ul>
<li>
-check-private-abi: enable check of the private ABI
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Fixed counting of checked data types
</li>
</ul>
<br/>
<b>Version 1.99.15 (December 11, 2015)</b><br/>
<b>Bug Fixes</b>
<ul>
<li>
Fixed hang on some template instances
</li>
<li>
Fixed support for old ABI dumps (formatting of data types)
</li>
<li>
Fixed false positives in the report if input ABI dumps contain __unknown__ types
</li>
</ul>
<br/>
<b>Version 1.99.14 (November 01, 2015)</b><br/>
<b>New Options</b>
<ul>
<li>
-skip-types: set list of types that should not be checked
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Fixed formatting of symbol signatures
</li>
<li>
Fixed checks of template types
</li>
</ul>
<br/>
<b>Version 1.99.13 (October 18, 2015)</b><br/>
<b>Improvements</b>
<ul>
<li>
Check public symbols only if comparing public ABI dumps generated by the ABI dumper (with -public-headers option)
</li>
<li>
Added more metadata to the report
</li>
</ul>
<b>New Options</b>
<ul>
<li>
-skip-internal-types: do not check data types matched by the pattern
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Fixed Type_Became_Opaque, Parameter_Changed_Register, Parameter_From_Register and Parameter_To_Register rules
</li>
<li>
Fixed method signatures in the report (C++)
</li>
<li>
Fixed -headers-list option
</li>
<li>
Option -skip-internal renamed to -skip-internal-symbols
</li>
<li>
Fixed false positives if vtable-dumper generates incomplete data
</li>
<li>
Fixed Makefile
</li>
</ul>
<br/>
<b>Version 1.99.12 (September 20, 2015)</b><br/>
<b>Bug Fixes</b>
<ul>
<li>
Fixed title of the report
</li>
<li>
Print warning if version number is not set in the ABI dump
</li>
</ul>
<br/>
<b>Version 1.99.11 (September 12, 2015)</b><br/>
<b>Bug Fixes</b>
<ul>
<li>
Fixed Removed_Field_And_Layout rule
</li>
<li>
Fixed -skip-symbols option
</li>
</ul>
<br/>
<b>Version 1.99.10 (September 08, 2015)</b><br/>
<b>Improvements</b>
<ul>
<li>
Improved style of the report
</li>
<li>
New documentation
</li>
<li>
Added more test cases
</li>
</ul>
<b>New Options</b>
<ul>
<li>
-types-list: specify a list of types that should be checked
</li>
<li>
-gcc-options: specify additional compiler options
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Limited number of affected symbols shown for each BC problem in the report
</li>
<li>
Fixed check of the DataType_Size_And_Stack rule
</li>
<li>
Fixed checks of base classes
</li>
<li>
Carefully substitute parameters in rules
</li>
<li>
Allow to check for source-compatibility in the -cmp-systems mode by specifying both -bin and -src options
</li>
<li>
Fixed sorting of problems listed in the report
</li>
<li>
Limit number of checked types if -headers-list option is specified
</li>
<li>
Fixed -headers-list and -skip-symbols options
</li>
<li>
Fixed cross-platform issues
</li>
<li>
Set LANG=C.UTF-8 for objdump
</li>
<li>
Fixed list of headers in the report
</li>
<li>
Fixed number of checked headers in the report summary. Removed support for old dumps &lt; 1.18
</li>
<li>
Renamed -lib-full option to -title
</li>
<li>
Carefully detect architecture of input objects and word size
</li>
<li>
Corrected detection of the GCC target architecture
</li>
<li>
More accurate checking of ABI dump names
</li>
<li>
Fixed regressions with SysCheck.pm module
</li>
<li>
Removed obsolete code and options
</li>
<li>
Fixed the objdump command line when the path contains spaces
</li>
<li>
Simplified Makefile
</li>
<li>
Do not install system descriptors to PREFIX/share
</li>
<li>
Take -relpath option into account in the SysCheck.pm module
</li>
<li>
Fixed CSS styles of the CmpSystems module
</li>
</ul>
<br/>
<b>Version 1.99.9 (January 23, 2014)</b><br/>
<b>New Options</b>
<ul>
<li>
-skip-internal: do not check internal interfaces matched by the pattern
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Fixed duplicated entries in the XML report
</li>
<li>
Reduced size of the XML report
</li>
<li>
Fixed duplicated problems related to changed size of a global data
</li>
<li>
Options -v1 and -v2 can now be used when comparing ABI dumps to change library versions shown in the report
</li>
<li>
Fixed false positives with the size change of a template instance type
</li>
<li>
Fixed false positives with the change of a parameter/field type name
</li>
</ul>
<br/>
<b>Version 1.99.8.5 (October 03, 2013)</b><br/>
<b>Improvements</b>
<ul>
<li>
Optimized performance and memory usage (up to 90%) on input objects with a huge number of changes and deep data type trees (e.g. Linux kernel)
</li>
<li>
Partial support for GCC 4.8.{0-1}, waiting for a fix for the bug <a href='http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57850'>57850</a> in the next GCC versions
</li>
<li>
Support for incomplete ABI dumps
</li>
</ul>
<b>New Options</b>
<ul>
<li>
-affected-limit
</li>
<li>
-cpp-incompatible
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Fixed identification of template constructors and destructors
</li>
<li>
Do not show "this" first argument of methods in the report
</li>
<li>
Corrected descriptions of affected symbols in the report
</li>
<li>
Fixed false alarms on changed offset of parameters
</li>
<li>
Do not hang on class A&lt;N&gt;:public A&lt;N-1&gt;
</li>
<li>
Corrected identification of header files in the include_preamble
</li>
<li>
Corrected comparison of function pointer types
</li>
<li>
Corrected rule Global_Data_Size
</li>
</ul>
<b>Other</b>
<ul>
<li>
Code refactoring
</li>
</ul>
<br/>
<b>Version 1.99.7 (July 01, 2013)</b><br/>
<b>Improvements</b>
<ul>
<li>
Added missed fields of template instance types to the ABI dump
</li>
<li>
Improved support for old ABI dumps
</li>
<li>
Added Struct_Field_Size_Increased rule
</li>
<li>
Support for vector types (GCC extension)
</li>
<li>
Removed duplicates from the ABI dump
</li>
<li>
Corrected visualization of v-table content in the report
</li>
<li>
Corrected identification of target headers
</li>
<li>
Corrected source-compatibility check
</li>
<li>
Performance optimization (5%)
</li>
</ul>
<b>New Options</b>
<ul>
<li>
-check - to check completeness of the ABI dump
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Fixed default arguments of methods (broken in 1.99.1 due to added "this" parameter)
</li>
</ul>
<b>Other</b>
<ul>
<li>
Extended test suite
</li>
</ul>
<br/>
<b>Version 1.99.1 (June 07, 2013)</b><br/>
<b>Improvements</b>
<ul>
<li>
Support for ABI Dumper 0.97
</li>
<li>
Show added/removed inline virtual functions in the binary compatibility report
</li>
<li>
Added "this" hidden parameter to non-static class methods in the ABI dump
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Fixed XmlDump module
</li>
<li>
Fixed CallConv module
</li>
</ul>
<b>Other</b>
<ul>
<li>
Support for old ABI dumps
</li>
</ul>
<br/>
<b>Version 1.99 (May 24, 2013)</b><br/>
<b>Improvements</b>
<ul>
<li>
Support for ABI Dumper 0.95
</li>
<li>
Added 14 binary-compatibility rules
</li>
<li>
Added 10 source-compatibility rules
</li>
<li>
Improved model of type alignment
</li>
<li>
Changed version of ABI dump format to 3.0
</li>
<li>
Added _vptr member to virtual classes
</li>
<li>
Added constants defined by GCC to ABI dump
</li>
<li>
Improved analysis of constants
</li>
</ul>
<b>New Options</b>
<ul>
<li>
-skip-symbols
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Increased severity of Field_Became_Non_Mutable rule
</li>
</ul>
<b>Other</b>
<ul>
<li>
Support for old ABI dumps
</li>
<li>
Extended test suite (+11 test cases)
</li>
<li>
Code cleaning
</li>
</ul>
<br/>
<b>Version 1.98.8 (February 07, 2013)</b><br/>
<b>Improvements</b>
<ul>
<li>
Show added and removed constants (#defines) in the report
</li>
<li>
Show changes in unnamed enumerations
</li>
<li>
Avoid false alarm about renamed field if old name of this field is defined to new (SC)
</li>
<li>
Recursive comparing of structured data types in *_Format rules
</li>
<li>
Added Typedef_BaseType_Format rule to check format changes in the typedef base type
</li>
</ul>
<b>New Options</b>
<ul>
<li>
-tolerant
</li>
<li>
-tolerance
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Increased severity of Parameter_BaseType_And_Size BC rule (Low to Medium)
</li>
<li>
Increased severity of Added_Field SC rule (Safe to Low)
</li>
<li>
Corrected handling of the tool error codes in the test suite
</li>
<li>
Corrected handling of relative paths in the descriptor options
</li>
<li>
Skipping linker-related options in gcc_options option of the descriptor
</li>
<li>
Corrected internal mangler for C++ functions
</li>
<li>
Corrected conditions for enabling of C++ compatibility mode
</li>
<li>
Corrected handling of C++ keywords in C-code
</li>
<li>
Corrected -extended option
</li>
<li>
Corrected Typedef_BaseType rule
</li>
<li>
Corrected parsing of default function arguments
</li>
<li>
Do not check presence of archive utilities if not used
</li>
<li>
Other fixes
</li>
</ul>
<b>Other</b>
<ul>
<li>
Extended test suite
</li>
<li>
Code cleaning
</li>
</ul>
<br/>
<b>Version 1.98.7 (December 14, 2012)</b><br/>
<b>Improvements</b>
<ul>
<li>
Extended extra info dumped by -extra-info option
</li>
<li>
Extended additional info dumped by -extra-dump option
</li>
<li>
Added specifiers for structs, unions and enums in the report and ABI dump
</li>
<li>
Improved support for old ABI dumps
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Corrected -debug option
</li>
<li>
Corrected creating of archives with ABI dumps
</li>
<li>
Corrected parsing of includes in header files
</li>
<li>
Corrected processing of undefined symbols
</li>
<li>
Corrected -app option
</li>
<li>
Corrected processing of default paths to system libraries
</li>
<li>
Corrected Makefile
</li>
<li>
Other fixes
</li>
</ul>
<b>Other</b>
<ul>
<li>
Code cleaning and refactoring
</li>
</ul>
<br/>
<b>Version 1.98.6 (December 04, 2012)</b><br/>
<b>Improvements</b>
<ul>
<li>
Extended -extra-info and -extra-dump options
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Corrected processing of input XML descriptor
</li>
<li>
Corrected "Parameter_Default_Value_Removed" rule
</li>
<li>
Other fixes
</li>
</ul>
<b>Other</b>
<ul>
<li>
Code cleaning
</li>
</ul>
<br/>
<b>Version 1.98.5 (November 30, 2012)</b><br/>
<b>Improvements</b>
<ul>
<li>
Support for Mac OS X 10.8
</li>
<li>
Support for OpenBSD
</li>
<li>
Support for old GCC versions &lt;= 4.2
</li>
<li>
Added "throw" and "weak" attributes of methods to ABI dump
</li>
</ul>
<b>New Options</b>
<ul>
<li>
-extra-info
</li>
<li>
-extra-dump
</li>
<li>
-force
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Corrected order of user-defined include paths
</li>
<li>
Corrected internal C++ mangler
</li>
<li>
Removed false positives of the "Parameter_Type_Format" rule
</li>
<li>
Other fixes
</li>
</ul>
<b>Other</b>
<ul>
<li>
Extended test suite
</li>
<li>
Code cleaning
</li>
<li>
Docs cleaning
</li>
</ul>
<br/>
<b>Version 1.98.4 (October 18, 2012)</b><br/>
<b>Improvements</b>
<ul>
<li>
Optimization of memory usage (5%-10%) and performance (5%-10%)
</li>
<li>
Added "Used Reserved Field" rule of binary compatibility analysis
</li>
<li>
Improved design of the operating system compatibility report
</li>
<li>
Added meta descriptors for 334 libraries
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Fixed an issue with diagnostics of added virtual functions
</li>
<li>
Corrected the list of functions affected by the compatibility problem
</li>
<li>
Avoid false alarm about removed function if this function became macro (SC)
</li>
<li>
Corrected parser of C header files
</li>
<li>
Other fixes
</li>
</ul>
<b>Other</b>
<ul>
<li>
Extended test suite
</li>
<li>
Code cleaning
</li>
</ul>
<br/>
<b>Version 1.98.3 (July 19, 2012)</b><br/>
<b>Improvements</b>
<ul>
<li>
Implemented a model of calling conventions on x86 and x86_64
</li>
<li>
Improved diagnostics of changes in function parameters and return value (distribution on registers and stack)
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Corrected parser of C++ header files to detect non-member functions inside namespaces
</li>
</ul>
<b>Other</b>
<ul>
<li>
Added requirement for Ctags (5.8 or newer)
</li>
<li>
Code cleaning
</li>
</ul>
<br/>
<b>Version 1.98.2 (June 26, 2012)</b><br/>
<b>Improvements</b>
<ul>
<li>
Support for reading ABI dumps in XML format
</li>
<li>
Automatic enabling of c++0x support if needed to compile headers
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Corrected XML and Perl (default) formats of ABI dumps
</li>
<li>
Improved support for old ABI dumps
</li>
<li>
Improved -dump-system option
</li>
</ul>
<b>Other</b>
<ul>
<li>
Improved documentation
</li>
</ul>
<br/>
<b>Version 1.98.1 (June 18, 2012)</b><br/>
<b>Bug Fixes</b>
<ul>
<li>
Removed symbols marked as LOCAL in a shared library from lists of added/removed symbols in source-compatibility report
</li>
<li>
Fixed a false positive with some removed extern "C" symbols in source-compatibility report
</li>
<li>
Fixed a bug with removed debug/ directory when using -use-dumps and -debug options together
</li>
<li>
Added support for "skip_including" section of target system XML descriptors (modules/Targets) used by -dump-system option
</li>
<li>
Extended XML ABI dumps by size attribute of library symbols
</li>
</ul>
<br/>
<b>Version 1.98.0 (June 14, 2012)</b><br/>
<b>New Features</b>
<ul>
<li>
Implemented XML format of ABI dumps
</li>
</ul>
<b>New Options</b>
<ul>
<li>
-dump-format
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Improved support for old ABI dumps
</li>
<li>
Other fixes
</li>
</ul>
<br/>
<b>Version 1.97.8 (June 08, 2012)</b><br/>
<b>Improvements</b>
<ul>
<li>
Redesigned format of ABI dump
</li>
<li>
Optimization of memory usage (5%-10%) and performance (5%-10%)
</li>
<li>
Improved support for GCC 4.0-4.5
</li>
<li>
Added "add_namespaces" section of the XML descriptor
</li>
</ul>
<b>New Options</b>
<ul>
<li>
-open
</li>
<li>
-sort
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Improved support for old ABI dumps
</li>
<li>
Fixed a bug with auto-detection of include paths when comparing two XML descriptors
</li>
<li>
Corrected output of -debug option
</li>
<li>
Corrected -dump-system and -cmp-systems options
</li>
<li>
Other fixes
</li>
</ul>
<b>Other</b>
<ul>
<li>
Code cleaning
</li>
</ul>
<br/>
<b>Version 1.97.5 (May 14, 2012)</b><br/>
<b>Improvements</b>
<ul>
<li>
Extended ABI dumps by source-level type declarations
</li>
<li>
Improved support for old ABI dumps
</li>
<li>
Optimization of memory usage (20%-30%) and performance (10%-20%)
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Corrected auto-detection of a set of target headers to check/dump in -headers-only mode
</li>
<li>
Other fixes
</li>
</ul>
<b>Other</b>
<ul>
<li>
Extended regression test suite
</li>
<li>
Code cleaning
</li>
</ul>
<br/>
<b>Version 1.97.4 (April 16, 2012)</b><br/>
<b>New Features</b>
<ul>
<li>
Added 16 new binary-compatibility rules
</li>
<li>
Added 17 new source-compatibility rules
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Added some missed typedef types to function signatures
</li>
</ul>
<b>Other</b>
<ul>
<li>
Improved support for old ABI dumps
</li>
<li>
Support for GCC 4.7
</li>
<li>
Extended regression test suite
</li>
<li>
Code cleaning
</li>
</ul>
<br/>
<b>Version 1.97.3 (April 03, 2012)</b><br/>
<b>Completed Tasks</b>
<ul>
<li>
Implement source-level compatibility checks
</li>
<li>
Implement 2.0 architecture
</li>
</ul>
<b>New Features</b>
<ul>
<li>
Added -browse=PROG option
</li>
<li>
Added -xml alias option for --report-format=xml
</li>
<li>
Added -binary option to generate binary-compatibility report only
</li>
<li>
Added -source option to generate source-compatibility report only
</li>
<li>
Added -bin-report-path option: path to binary-compatibility report
</li>
<li>
Added -src-report-path option: path to source-compatibility report
</li>
</ul>
<b>Other Features</b>
<ul>
<li>
Improved debug mode (-debug)
</li>
<li>
Improved mark-up of the HTML report
</li>
<li>
Improved mark-up of the HTML report
</li>
<li>
Improved support for old ABI dumps
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Corrected ABI dumps
</li>
</ul>
<br/>
<b>Version 1.96.8 (February 17, 2012)</b><br/>
<b>Completed Tasks</b>
<ul>
<li>
Implement XML format of compatibility report
</li>
<li>
Testing on MeeGo 1.2 Harmattan Beta2
</li>
</ul>
<b>New Features</b>
<ul>
<li>
Added hidden statistics line to compatibility report for operating systems
</li>
<li>
Added -headers-list option
</li>
<li>
Added -lang option
</li>
<li>
Support for symbolic links in /usr/include and /usr/lib
</li>
<li>
Added "skip_include_paths" section of the XML-descriptor
</li>
<li>
Added "skip_including" section of the XML-descriptor
</li>
<li>
Added -list-affected option to create plain list of incompatible symbols
</li>
<li>
Added -quiet option to print all errors and warnings to the log file instead of stderr and stdout
</li>
<li>
Added -stdout option to print results to stdout
</li>
<li>
Added an option to check binary compatibility in the extended sense
</li>
<li>
Improve diagnostic messages for added base classes with virtual functions
</li>
<li>
Added -update option to installer
</li>
<li>
Added a relative default directory to locate modules after installation
</li>
<li>
Compatibility rate = (high+1/2*medium+1/4*low) / number of symbols
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Some symbols with extern "C" linkage are missed in -headers-only mode
</li>
<li>
Changes in global data are not detected under Windows
</li>
<li>
False negative: change global data to be "const"
</li>
<li>
Removed middle enumeration value is reported as renamed
</li>
<li>
False positive: change parameter type from "const int" to "int"
</li>
<li>
Support for old ABI dump format of ACC 1.21.6
</li>
<li>
The tool doesn't search for included headers in /usr/lib/qt4/include/
</li>
<li>
False Negative: Header is incompatible with itself
</li>
<li>
Check libstdc++ in -headers-only mode
</li>
<li>
Restrict checked header files in the -headers-only mode
</li>
<li>
Problem with mangled C++ functions using old ABI dump formats in -headers-only mode
</li>
<li>
Incorrect size of method pointer in ABI dumps
</li>
<li>
False negative: add/remove "register" modifier of the parameter
</li>
<li>
Incorrect WORD size when using old ABI dump format
</li>
<li>
Conflict of a static method with a function of the same name in the ABI dump
</li>
<li>
Missed right bracket of "func-ptr" type in HTML report
</li>
<li>
Incorrect report for overridden methods
</li>
<li>
False negative: override a virtual that doesn't come from a primary base
</li>
<li>
False negative: change a function parameter to be "restrict"
</li>
<li>
False negative: change a field to be "volatile"
</li>
<li>
False negative: change "const"-ness of a return value
</li>
<li>
False negative: change "volatile" attribute of a method
</li>
<li>
False positive: removed symbols with inline virtual prototype in the leaf class with default constructor
</li>
</ul>
<br/>
<b>Version 1.94 (September 09, 2011)</b><br/>
<b>Completed Tasks</b>
<ul>
<li>
Separated regression tests into the module
</li>
</ul>
<b>New Features</b>
<ul>
<li>
Added Makefile.pl installer
</li>
</ul>
<br/>
<b>Version 1.93.8 (September 08, 2011)</b><br/>
<b>Completed Tasks</b>
<ul>
<li>
Separated rules DB
</li>
<li>
Testing on Symbian SDK
</li>
<li>
Testing on Windows SDK
</li>
<li>
Support for OS3000
</li>
</ul>
<b>New Features</b>
<ul>
<li>
SONAME change in the OS comparison table
</li>
<li>
Added a compatibility percentage to the OS comparison table
</li>
<li>
Added -debug option
</li>
<li>
Added listing of symbols in OS comparison table
</li>
<li>
Use zip format of dumps in Windows
</li>
<li>
Added -dump-system descriptor.xml option
</li>
<li>
Analysis of static libraries
</li>
<li>
Added -sysinfo option
</li>
<li>
Added -component option
</li>
<li>
Added -nostdinc option
</li>
<li>
Added "weakly"- and "almost"-compatible verdicts
</li>
<li>
Added "skip_namespaces" section of the library XML-descriptor
</li>
<li>
Search for modules/ directory in the system
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Missed typedefs in the ABI dump using GCC 4.4.1
</li>
<li>
False negative: change enum member value from zero to non-zero
</li>
<li>
False negative: interchange the positions of two fields in a structure
</li>
<li>
False positive: add a field instead of padding fields
</li>
<li>
Problems with "copied" classes
</li>
<li>
Changes in "private" fields
</li>
<li>
Illegal modulus zero at abi-compliance-checker.pl
</li>
<li>
Incorrect order of include paths
</li>
<li>
Change constness of a class method
</li>
<li>
False negative: change "struct Type" to "union Type"
</li>
<li>
Change parameter type from "..." to "int"
</li>
<li>
Remove/add "const"-qualifier of a method
</li>
<li>
False negative: renamed parameters
</li>
</ul>
<b>Other</b>
<ul>
<li>
Improved debug mode
</li>
</ul>
<br/>
<b>Version 1.23.5 (July 01, 2011)</b><br/>
<b>Bug Fixes</b>
<ul>
<li>
Corrected exit codes: 0 - compatible, 1 - incompatible, 2 - error, ...
</li>
<li>
Corrected diagnostic messages for C++ functions with changed signature
</li>
<li>
Fixed regression with C++ non-member functions
</li>
<li>
Removed false positive with overridden private methods
</li>
<li>
Corrected functionality for checking binary compatibility of operating systems
</li>
<li>
Removed false positive for removed default version of a symbol
</li>
<li>
Adapted -dump-system option for MeeGo 1.2 Harmattan
</li>
<li>
Fixed hanging execution on "#include "../../file.h"
</li>
<li>
Fixed incorrect automatic include paths
</li>
</ul>
<br/>
<b>Version 1.23 (June 07, 2011)</b><br/>
<b>New Features</b>
<ul>
<li>
Added 42 compatibility checks (total: 83)
</li>
<li>
Improved diagnostics of compatibility problems
</li>
<li>
Opened an issue tracker
</li>
<li>
Support for cross-compilers
</li>
<li>
Ported to Mac OS X (10.5) and MS Windows (Xp, Vista, 7)
</li>
<li>
Added a viewer of "real" v-table layouts for changed C++ classes
</li>
<li>
Added functionality to check OS backward compatibility
</li>
<li>
Supports for old-version dump formats (>=1.18)
</li>
<li>
Separated versioning of dump formats
</li>
<li>
Improved design of the compatibility report
</li>
<li>
Improved performance
</li>
<li>
Support for old GCC 3.4.4
</li>
</ul>
<b>New Options</b>
<ul>
<li>
-cross-gcc: support for cross-compilers
</li>
<li>
-sysroot: specify the alternative system root directory
</li>
<li>
-dump-system, -cmp-systems: checking OS backward compatibility
</li>
<li>
-use-dumps: check for compatibility using the intermediate dumping
</li>
<li>
-show-retval: show symbol's return value type in the report
</li>
<li>
-old-dumps: support for old-version dumps
</li>
<li>
-test-dump: test for dumping functionality
</li>
<li>
-report-path: change the location of output compatibility report
</li>
<li>
-dump-path: change the location of output ABI dump
</li>
<li>
-log1-path, -log2-path: change the location of output logs
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Reduced false positives
</li>
<li>
Support for C-headers containing C++ keywords
</li>
<li>
Corrected automatic include paths for headers
</li>
</ul>
<br/>
<b>Version 1.21.12 (April 29, 2011)</b><br/>
<b>Bug Fixes</b>
<ul>
<li>
Corrected automatic detection of include paths for header files
</li>
<li>
Removed false positives with overridden virtual functions
</li>
<li>
Corrected processing of typedef type names, fixed potential program hangup
</li>
<li>
Added some missed problems relating to the return type changes of a function
</li>
<li>
Corrected processing of a translation unit dump generated by modern GCC versions
</li>
<li>
Corrected identifying of inline functions (using the -fkeep-inline-functions GCC option)
</li>
<li>
Corrected parser for C++: analysis of const global data and functions inside a namespace
</li>
<li>
Corrected names and v-table checks for template types
</li>
<li>
Corrected checks for changes in enumerations
</li>
<li>
Corrected ABI dumping and sorting of dumps
</li>
<li>
Corrected analysis of added/removed virtual functions
</li>
<li>
Corrected help message and documentation
</li>
<li>
Documentation has been moved to "doc/" subdirectory
</li>
<li>
Using File::Temp for storing temporary files
</li>
<li>
Support for latest GCC 4.6.0 and old GCC v3.x series
</li>
<li>
Fixed infinite loop finding the path for "which" command in the system
</li>
<li>
Corrected distinction of descriptor kinds (headers, libraries, directories and XML-descriptors)
</li>
<li>
Corrected processing of "include_paths" section of the XML-descriptor
</li>
</ul>
<br/>
<b>Version 1.21 (August 19, 2010)</b><br/>
<b>New Features</b>
<ul>
<li>
Added -check-implementation option: compare disassembled binary code to detect changes in the interface implementation
</li>
<li>
Added -objects-only option: compare shared objects without header files
</li>
<li>
Added -v1 and -v2 options: specify version number outside the descriptor
</li>
<li>
Improved help message
</li>
<li>
Improved performance of the tool
</li>
<li>
Removed template instances and stdc++ interfaces from the report (C++)
</li>
<li>
Added README.html and CHANGES.html to the package
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Corrected ABI compatibility report
</li>
<li>
Corrected interface names and versions in the report
</li>
<li>
Corrected number of problems in report summary
</li>
<li>
Corrected ABI dump
</li>
</ul>
<br/>
<b>Version 1.20 (August 30, 2010)</b><br/>
<b>New Features</b>
<ul>
<li>
Added "defines" section of the library descriptor: this section allows to add defines at the headers compiling stage
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Corrected reports about added/withdrawn members in the structure types and added/withdrawn parameters
</li>
<li>
Corrected report about added/withdrawn virtual functions if -headers_only option specified
</li>
<li>
Corrected processing of header paths containing special characters
</li>
</ul>
<br/>
<b>Version 1.19 (July 22, 2010)</b><br/>
<b>New Features</b>
<ul>
<li>
Added -library_full_name option to display full library name in title of the report
</li>
<li>
Added -relpath option to replace the {RELPATH} in the descriptor for ABI dumping
</li>
<li>
Added "skip_libs" section of the library descriptor: this section contains a list of shared objects and/or directories with shared objects that should not be processed
</li>
<li>
Improved performance on big libraries
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Removed duplicated problems from the report
</li>
<li>
Corrected names of the template instances
</li>
<li>
Corrected checking of reference type changes
</li>
<li>
Corrected titles in the report
</li>
<li>
Corrected size of some array types
</li>
<li>
Corrected checking of added/withdrawn members in the structure types with reserved members
</li>
<li>
Corrected checking of added/withdrawn parameters
</li>
</ul>
<br/>
<b>Version 1.18 (June 25, 2010)</b><br/>
<b>New Features</b>
<ul>
<li>
Added -relpath1 and -relpath2 options to replace the {RELPATH} in the descriptors; old option -relpath was removed
</li>
<li>
Added "add_include_paths" section of the library descriptor: this section contains a list of include paths that should be added to the automatically detected include paths
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Added some previously missed compatibility problems in the report
</li>
<li>
Corrected techniques for auto-detection of header file dependencies (include paths)
</li>
<li>
Removed problems relating to the changes in the temporary header files
</li>
<li>
Corrected interface signatures in the report
</li>
<li>
Corrected checking of added/withdrawn parameters
</li>
<li>
Corrected changes in the virtual tables of the libraries with symbol versioning
</li>
<li>
Corrected checking of complex namespaces changes (C++)
</li>
<li>
Added namespaces information to the ABI dump
</li>
</ul>
<br/>
<b>Version 1.17.2 (June 16, 2010)</b><br/>
<b>Bug Fixes</b>
<ul>
<li>
Fixed -separately option
</li>
<li>
Corrected permissions of LICENSE file
</li>
<li>
Corrected tool description
</li>
</ul>
<br/>
<b>Version 1.17.1 (June 09, 2010)</b><br/>
<b>New Features</b>
<ul>
<li>
Added -relpath option for adding prefixes to the paths in the library descriptor
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Corrected checking of added/withdrawn parameters
</li>
<li>
Corrected processing of mixed C/C++ header sets
</li>
<li>
Corrected checking of parameter type changes
</li>
</ul>
<br/>
<b>Version 1.17 (June 08, 2010)</b><br/>
<b>New Features</b>
<ul>
<li>
Visualizing of the serious changes (added/withdrawn parameters) in the interface signature
</li>
<li>
Recursive analysis of constant changes
</li>
<li>
Separated stderr and stdout streams of the tool
</li>
<li>
Added "skip_constants" section of the library descriptor to skip checking of some constants
</li>
<li>
Added -params option to add function parameter names to the report
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Corrected analysis of virtual table layout changes
</li>
<li>
Corrected analysis of parameter type changes
</li>
<li>
Corrected complex array type names
</li>
<li>
Corrected typedef names
</li>
<li>
Corrected analysis of structure layout changes
</li>
<li>
Fixed tool hanging on some C++ headers (with many namespaces)
</li>
<li>
Corrected analysis of Glibc headers
</li>
<li>
Corrected analysis of library language changes (if added some C++ headers)
</li>
<li>
Corrected descriptions of some compatibility problems
</li>
<li>
Corrected analysis of added/withdrawn parameters in C headers
</li>
</ul>
<br/>
<b>Version 1.16 (May 05, 2010)</b><br/>
<b>New Features</b>
<ul>
<li>
Added -strict option for treating all compatibility warnings as problems
</li>
<li>
Added -dumpversion option for printing tool version and don't do anything else
</li>
<li>
Ignoring hidden .svn, .git, .bzr, .hg, and CVS directories
</li>
<li>
Improved header files sorting for protecting from compilation errors on the intermediate phase of temporary header file compilation
</li>
<li>
Improved techniques for auto-detection of header file dependencies (include paths)
</li>
<li>
Ignoring problems related to changes of constants (defines) describing library version (*_VERSION_*, *_COPYRIGHT_* and other)
</li>
<li>
New internal test cases
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Checking of some previously missed C++ namespaces
</li>
<li>
Removed hidden "void const** __vtt_parm" parameters from signatures of some constructors
</li>
<li>
Corrected dumping of C++ classes ABI
</li>
<li>
Corrected checking of pure virtual destructors
</li>
<li>
Removed unnecessary built-in constants from the ABI dump
</li>
</ul>
<br/>
<b>Version 1.15 (March 26, 2010)</b><br/>
<b>New Features</b>
<ul>
<li>
The license was changed to dual GNU GPL and LGPL
</li>
<li>
Added "skip_headers" section of the library descriptor
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Corrected processing of "include_paths" section of the library descriptor
</li>
<li>
Corrected processing of relative paths in the "headers" and "include_paths" sections of the descriptor
</li>
<li>
Directory with temporary files renamed from "temp" to hidden ".tmp_dir"
</li>
<li>
Corrected processing of shared object dependencies
</li>
<li>
Corrected processing of some previously missed functions and conversion operators in C++
</li>
<li>
Corrected internal test suite
</li>
<li>
Corrected some error messages
</li>
</ul>
<br/>
<b>Version 1.14 (March 03, 2010)</b><br/>
<b>New Features</b>
<ul>
<li>
Added techniques to auto-detect dependencies of a header file (include paths); providing of "include_paths" section of the descriptor is not necessary for now
</li>
<li>
Ported to FreeBSD and Haiku
</li>
<li>
Added check for gcc/g++ version (>=3.0.0)
</li>
<li>
Added sorting of interface problems by namespace in the report (C++)
</li>
<li>
Improved internal test suite
</li>
<li>
Added log for describing tool actions and occurred errors
</li>
<li>
Added exit error code (high/medium risk for ABI break)
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Corrected ABI dumping
</li>
<li>
Corrected styles of the report
</li>
</ul>
<br/>
<b>Version 1.13 (February 16, 2010)</b><br/>
<b>New Features</b>
<ul>
<li>
Added -version option
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Corrected processing of tab characters in the descriptor
</li>
<li>
Corrected help message
</li>
<li>
Corrected descriptor template structure
</li>
<li>
Corrected error and warning messages
</li>
<li>
Corrected processing of shared object dependencies
</li>
</ul>
<br/>
<b>Version 1.12 (December 04, 2009)</b><br/>
<b>New Features</b>
<ul>
<li>
New help message
</li>
<li>
Highlighting of [in-charge], [not-in-charge] constructors and destructors in the report was improved
</li>
<li>
New option -time for enabling time measurements
</li>
<li>
New internal test cases
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Corrected classification of compatibility problems in the report
</li>
<li>
Reduced priority of problems related to changes in a method's object
</li>
<li>
Corrected complex template type names
</li>
</ul>
<br/>
<b>Version 1.11 (November 10, 2009)</b><br/>
<b>New Features</b>
<ul>
<li>
Added -app option to check portability of applications to the new library version
</li>
<li>
Memory usage decreased twice
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Corrected checking of added middle structure members
</li>
<li>
Corrected names of template types (with intrinsic, bool and string parameters)
</li>
<li>
Corrected highlighting of function signatures in the report
</li>
</ul>
<br/>
<b>Version 1.10 (November 02, 2009)</b><br/>
<b>New Features</b>
<ul>
<li>
Checking added/dropped function parameters (C language only)
</li>
<li>
Improved design of the report
</li>
<li>
New internal test cases
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Incorrect checking of redefined virtual functions and differences in parameter types
</li>
<li>
More careful checking of withdrawn interfaces using shared library dependencies
</li>
</ul>
<br/>
<b>Version 1.9 (October 12, 2009)</b><br/>
<b>Improvements</b>
<ul>
<li>
Improved design of ABI compliance report
</li>
<li>
Improved algorithms of checking parameter/field type change
</li>
<li>
New internal test cases
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Fixed incorrect names of typedefs and function pointer types
</li>
<li>
Checking of some previously missed C++ functions
</li>
<li>
Removed some false positives from the report (for anon-types)
</li>
</ul>
<br/>
<b>Version 1.8 (September 29, 2009)</b><br/>
<b>New Features</b>
<ul>
<li>
Added ability to specify a file with a list of interfaces that should be checked
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Size of ABI info dumps have been reduced through removing of unnecessary information
</li>
<li>
Incorrect names of template instances and function pointer types
</li>
<li>
Incorrect positions of function parameters in the "Interface Problems" section of the report
</li>
<li>
Removed some false positives from the report
</li>
<li>
Incorrect handling of special symbols in the paths to header files and shared objects
</li>
</ul>
<br/>
<b>Version 1.7 (September 11, 2009)</b><br/>
<b>New Features</b>
<ul>
<li>
Checking of incorrect symbols versioning
</li>
<li>
Checking the values of defines (constants)
</li>
<li>
Ability to check header files without shared objects; It is easy to run, but may provide a low quality report with a lot of false positives and without detecting of added/withdrawn interfaces
</li>
<li>
Number of checked interfaces and data types in the report
</li>
<li>
Added tests for checking new features
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Incorrect processing of duplicated headers in the input set (headers with the same name but different paths)
</li>
<li>
Incorrect header files include order
</li>
<li>
Sorting in the ABI dumps
</li>
<li>
Incorrect processing of redefined virtual methods
</li>
<li>
Incorrect processing of anon types
</li>
<li>
Absence of some necessary information about C++ functions in the ABI dumps
</li>
</ul>
<br/>
<b>Version 1.6 (August 31, 2009)</b><br/>
<b>Bug Fixes</b>
<ul>
<li>
Corrected processing of relative paths in the library descriptor
</li>
<li>
Display machine hardware name instead of processor type in the report
</li>
<li>
Fixed grammar/spelling errors
</li>
<li>
Renamed "internal_interfaces" section of the library descriptor to "skip_interfaces"
</li>
<li>
Cosmetic changes in the code
</li>
</ul>
<br/>
<b>Version 1.5 (August 25, 2009)</b><br/>
<b>Bug Fixes</b>
<ul>
<li>
Absent information about opaque types and internal interfaces has been added to the ABI dump
</li>
<li>
Fixed style of the report
</li>
<li>
Fixed grammar/spelling
</li>
<li>
Renamed "internal_functions" section of the library descriptor to "internal_interfaces"
</li>
<li>
Renamed outptu ABI dump to "*.abi.tar.gz" (previously it was "*.info.tar.gz")
</li>
<li>
Corrected interface names in the report (for -separately option)
</li>
</ul>
<br/>
<b>Version 1.4 (August 18, 2009)</b><br/>
<b>Improvements</b>
<ul>
<li>
Added ability to check ABI compliance of library versions located on different machines
</li>
<li>
Header files checking mode by default has been changed: checking all header files together instead of separate checking
</li>
</ul>
<b>Bug Fixes</b>
<ul>
<li>
Incorrect description for affected interfaces
</li>
<li>
Incorrect virtual table checking
</li>
</ul>
<br/>
<b>Version 1.3 (August 14, 2009)</b><br/>
<b>Bug Fixes</b>
<ul>
<li>
Incorrect number of binary compatibility problems in the report summary
</li>
<li>
Incorrect design of problem descriptions in the report
</li>
</ul>
<br/>
<b>Version 1.1 (August 06, 2009)</b><br/>
<b>Improvements</b>
<ul>
<li>
Design of the report has been greatly improved
</li>
</ul>
<br/>
<b>Version 1.0 (July 31, 2009)</b><br/>
Initial version of the tool.
<div class="footer">
get the source code on GitHub : <a href="https://github.com/lvc/abi-compliance-checker">lvc/abi-compliance-checker</a>
</div>
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