lcov-1.7 into third_party for code coverage on POSIX systems.

Non-lcov-1.7 files are 
  lcov/LICENCE
  lcov/README.chromium
  lcov/bin/mcov

Review URL: http://codereview.chromium.org/57083

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@13066 0039d316-1c4b-4281-b951-d872f2087c98

third_party/lcov/CHANGES

@@ -0,0 +1,311 @@
+Version 1.7:
+============
+
+gendesc:
+- Updated error and warning messages
+- Updated man page
+
+genhtml:
+- Added function coverage data display patch by tomzo@nefkom.net (default is on)
+- Added --function-coverage to enable function coverage display
+- Added --no-function-coverage to disable function coverage display
+- Added sorting option in HTLM output (default is on)
+- Added --sort to enable sorting
+- Added --no-sort to disable sorting
+- Added --html-gzip to create gzip-compressed HTML output (patch by
+  dnozay@vmware.com)
+- Fixed problem when using --baseline-file on coverage data files that
+  contain data for files not found in the baseline file
+- Updated error and warning messages
+- Updated man page
+
+geninfo:
+- Added function coverage data collection patch by tomzo@nefkom.net
+- Added more verbose output when a "ERROR: reading string" error occurs
+  (patch by scott.heavner@philips.com)
+- Fixed geninfo not working with directory names containing spaces (reported
+  by jeffconnelly@users.sourceforge.net)
+- Fixed "ERROR: reading string" problem with gcc 4.1
+- Fixed problem with function names that contain non-alphanumerical characters
+- Fixed problem with gcc versions before 3.3
+- Updated error and warning messages
+- Updated man page
+
+genpng:
+- Updated error and warning messages
+- Updated man page
+
+lcov:
+- Added support for function coverage data for adding/diffing tracefiles
+- Added --no-recursion option to disable recursion into sub-directories
+  while scanning for gcov data files
+- Fixed lcov -z not working with directory names containing spaces (reported
+  by Jeff Connelly)
+- Updated error and warning messages
+- Updated man page
+
+lcov.spec:
+- Updated of description and title information
+
+lcovrc:
+- Added genhtml_function_hi_limit
+- Added genhtml_function_med_limit
+- Added genhtml_function_coverage
+- Added genhtml_sort
+- Updated man page
+
+Makefile:
+- Updated info text
+
+
+Version 1.6:
+============
+
+geninfo:
+- Added libtool compatibility patch by thomas@apestaart.org (default is on)
+- Added --compat-libtool option to enable libtool compatibility mode
+- Added --no-compat-libtool option to disable libtool compatibility mode
+- Changed default for line checksumming to off
+- Added --checksum option to enable line checksumming
+- Added --gcov-tool option
+- Added --ignore-errors option
+- Added --initial option to generate zero coverage from graph files
+- Removed automatic test name modification on s390
+- Added --checksum option
+- Updated man page
+
+lcov:
+- Added libtool compatibility patch by thomas@apestaart.org
+- Added --compat-libtool option to enable libtool compatibility mode
+- Added --no-compat-libtool option to disable libtool compatibility mode
+- Added --checksum option to enable line checksumming
+- Added --gcov-tool option
+- Added --ignore-errors option
+- Added --initial option to generate zero coverage from graph files
+- Updated help text
+- Updated man page
+- Fixed lcov not working when -k is specified more than once
+- Fixed lcov not deleting .gcda files when specifiying -z and -d
+
+lcovrc:
+- Added geninfo_compat_libtool option
+- Added geninfo_checksum option
+- Removed geninfo_no_checksum option from example lcovrc
+- Updated man page
+
+README:
+- Added description of lcovrc file
+
+
+Version 1.5:
+============
+
+genhtml:
+- Added check for invalid characters in test names
+- Added --legend option
+- Added --html-prolog option
+- Added --html-epilog option
+- Added --html-extension option
+- Added warning when specifying --no-prefix and --prefix
+- Reworked help text to make it more readable
+
+geninfo:
+- Renamed 'sles9' compatibility mode to 'hammer' compatibility mode
+- Added support for mandrake gcc 3.3.2
+- Fixed bbg file reading in hammer compatibility mode
+- Added check for invalid characters in test names
+- Added --base-directory option
+
+lcov:
+- Added check for invalid characters in test names
+- Added --base-directory option
+
+
+Version 1.4:
+============
+
+All:
+- Added configuration file support
+
+genhtml:
+- Fixed help text message
+- Fixed handling of special characters in file- and directory names
+- Added description of --css-file option to man page
+
+geninfo:
+- Added support for GCOV file format as used by GCC 3.3.3 on SUSE SLES9
+- Fixed error text message
+- Added check to abort processing if no source code file is available
+- Added workaround for a problem where geninfo could not find source code
+  files for a C++ project
+- Fixed 'branch'-statement parsing for GCC>=3.3 .gcov files
+- Fixed exec count-statement parsing for GCC>=3.3 .gcov files
+- Fixed .gcno-file parser (some lines were not counted as being instrumented)
+
+lcov:
+- Modified path for temporary files from '.' to '/tmp'
+- Fixed comments
+- Removed unused function 'escape_shell'
+
+lcovrc:
+- Introduced sample configuration file
+
+Makefile:
+- Added rule to install configuration file
+- Fixed installation path for man pages
+
+
+Version 1.3:
+============
+
+All:
+- Added compatibility for gcc-3.4
+
+lcov:
+- Modified --diff function to better cope with ambiguous entries in patch files
+- Modified --capture option to use modprobe before insmod (needed for 2.6)
+- Added --path option required for --diff function
+
+
+Version 1.2:
+============
+
+All:
+- Added compatibility for gcc-3.3
+- Adjusted LCOV-URL (http://ltp.sourceforge.net/coverage/lcov.php)
+- Minor changes to whitespaces/line breaks/spelling
+- Modified call mechanism so that parameters for external commands are not
+  parsed by the shell mechanism anymore (no more problems with special
+  characters in paths/filenames)
+- Added checksumming mechanism: each tracefile now contains a checksum for
+  each instrumented line to detect incompatible data
+
+Makefile:
+- Added rule to build source RPM
+- Changed install path for executables (/usr/local/bin -> /usr/bin)
+
+lcov.spec:
+- Modified to support building source rpms
+
+updateversion.pl:
+- Modified to include update of release number in spec file
+
+genhtml:
+- Fixed bug which would not correctly associate data sets with an empty
+  test name (only necessary when using --show-details in genhtml)
+- Implemented new command line option '--nochecksum' to suppress generation
+  of checksums
+- Implemented new command line option '--highlight' which highlights lines of
+  code which were only covered in converted tracefiles (see '--diff' option of
+  lcov)
+
+geninfo:
+- Added workaround for a bug in gcov shipped with gcc-3.2 which aborts when
+  encountering empty .da files
+- Fixed geninfo so that it does not abort after encountering empty .bb files
+- Added function to collect branch coverage data
+- Added check for gcov tool
+- Added check for the '--preserve-paths' option of gcov; if available, this
+  will prevent losing .gcov files in some special cases (include files with
+  same name in different subdirectories)
+- Implemented new command line option '--follow' to control whether or not 
+  links should be followed while searching for .da files.
+- Implemented new command line option '--nochecksum' to suppress generation
+  of checksums
+
+lcov:
+- Fixed bug which would not correctly associate data sets with an empty
+  test name (only necessary when using --show-details in genhtml)
+- Cleaned up internal command line option check
+- Files are now processed in alphabetical order
+- Added message when reading tracefiles
+- Implemented new command line option '--nochecksum' to suppress generation
+  of checksums
+- Implemented new command line option '--diff' which allows converting
+  coverage data from an older source code version by using a diff file
+  to map line numbers
+- Implemented new command line option '--follow' to control whether or not 
+  links should be followed while searching for .da files.
+
+genpng:
+- Added support for the highlighting option of genhtml
+- Corrected tab to spaces conversion
+- Modified genpng to take number of spaces to use in place of tab as input
+  instead of replacement string
+
+
+Version 1.1:
+============
+
+- Added CHANGES file
+- Added Makefile implementing the following targets:
+  * install    : install LCOV scripts and man pages
+  * uninstall  : revert previous installation
+  * dist       : create lcov.tar.gz file and lcov.rpm file
+  * clean      : clean up example directory, remove .tar and .rpm files
+- Added man pages for all scripts
+- Added example program to demonstrate the use of LCOV with a userspace
+  application
+- Implemented RPM build process
+- New directory structure:
+  * bin        : contains all executables
+  * example    : contains a userspace example for LCOV
+  * man        : contains man pages
+  * rpm        : contains files required for the RPM build process
+- LCOV-scripts are now in bin/
+- Removed .pl-extension from LCOV-script files
+- Renamed readme.txt to README
+
+README:
+- Adjusted mailing list address to ltp-coverage@lists.sourceforge.net
+- Fixed incorrect parameter '--output-filename' in example LCOV call
+- Removed tool descriptions and turned them into man pages
+- Installation instructions now refer to RPM and tarball
+
+descriptions.tests:
+- Fixed some spelling errors
+
+genhtml:
+- Fixed bug which resulted in an error when trying to combine .info files
+  containing data without a test name
+- Fixed bug which would not correctly handle data files in directories
+  with names containing some special characters ('+', etc.)
+- Added check for empty tracefiles to prevent division-by-zeros
+- Implemented new command line option --num-spaces / the number of spaces
+  which replace a tab in source code view is now user defined
+- Fixed tab expansion so that in source code view, a tab doesn't produce a
+  fixed number of spaces, but as many spaces as are needed to advance to the
+  next tab position
+- Output directory is now created if it doesn't exist
+- Renamed "overview page" to "directory view page"
+- HTML output pages are now titled "LCOV" instead of "GCOV"
+- Information messages are now printed to STDERR instead of STDOUT
+
+geninfo:
+- Fixed bug which would not allow .info files to be generated in directories
+  with names containing some special characters
+- Information messages are now printed to STDERR instead of STDOUT
+
+lcov:
+- Fixed bug which would cause lcov to fail when the tool is installed in
+  a path with a name containing some special characters
+- Implemented new command line option '--add-tracefile' which allows the
+  combination of data from several tracefiles
+- Implemented new command line option '--list' which lists the contents
+  of a tracefile
+- Implemented new command line option '--extract' which allows extracting
+  data for a particular set of files from a tracefile
+- Implemented new command line option '--remove' which allows removing
+  data for a particular set of files from a tracefile
+- Renamed '--reset' to '--zerocounters' to avoid a naming ambiguity with
+  '--remove'
+- Changed name of gcov kernel directory from /proc/gcov to a global constant
+  so that it may be changed easily when required in future versions
+- Information messages are now printed to STDERR instead of STDOUT
+
+
+Version 1.0 (2002-09-05):
+=========================
+
+- Initial version
+

third_party/lcov/LICENCE

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+License copied from bin/lcov:
+
+#
+#   Copyright (c) International Business Machines  Corp., 2002,2007
+#
+#   This program is free software;  you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or (at
+#   your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful, but
+#   WITHOUT ANY WARRANTY;  without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+#   General Public License for more details.                 
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program;  if not, write to the Free Software
+#   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

third_party/lcov/LICENSE

@@ -0,0 +1,18 @@
+License copied from bin/lcov:
+
+#
+#   Copyright (c) International Business Machines  Corp., 2002,2007
+#
+#   This program is free software;  you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or (at
+#   your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful, but
+#   WITHOUT ANY WARRANTY;  without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+#   General Public License for more details.                 
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program;  if not, write to the Free Software
+#   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA