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The simple replacement is much faster.

The matches have already been calculated and can simply be taken from
CMAKE_MATCH_n variables. This avoids multiple compilations of the same or very
similar regular expressions.

5a58efaa libarchive: Avoid using name 'u_long'
e2b02823 Update libarchive configuration within CMake
80883321 libarchive: Do not require includers to have windows.h
dfb0458e libarchive: Convert literal LL suffix to ARCHIVE_LITERAL_LL
b0a9807f libarchive: Update archive_util.c to use CMake zlib and bzip2 headers
debe4dec libarchive: Drop options not present in reduced version
66b0c4fa libarchive: Do not generate a pkg-config file
8092e759 libarchive: Update README-CMake.txt for new snapshot
2f197863 Merge branch 'libarchive-upstream' into update-libarchive
23e4666c libarchive: Disable more whitespace checks in third-party code
64713ae3 libarchive 3.1.2-218-g00f4bd83 (reduced)

f0de3f80 CMakeDetermineVSServicePack: Add VS 11 update 4
105658df CMakeDetermineVSServicePack: Match versions more robustly
101515b9 CMakeDetermineVSServicePack: Format documentation

eb8cb2c6 Fortran: Detect pointer size on Intel archs with PGI (#14870)

111bb67c Help: Use a more-appropriate qthelp namespace and file name.

4b31f064 Revert "Modules: Add an Andriod platform file"

7147ed5c CMakeRCInformation: Recognize 'windres' tools with '.' in name (#14865)
db924e00 CMakeRCInformation: Do not mention 'Fortran' in documentation

cb9b1e13 Watcom: Use single quote for all file/path items in wlink command

A 64-bit MinGW windres is named "i686-w64-mingw32.shared-windres".  The
get_filename_component NAME_WE mode may strip the ".shared-windres" part
and cause the result to no longer contain "windres".  Instead, match the
"windres" name in the full CMAKE_RC_COMPILER value first, and use the
get_filename_component code path only for other resource compilers.

This module is for the Windows Resource Compiler, not Fortran.

The system headers on some platforms define a 'u_long' type so we cannot
use the name.  Spell out 'unsigned long' instead.

The PGI compiler does not define __SIZEOF_POINTER__ so use the
__x86_64__ or __i386__ CPU macros to select a pointer size instead.

Use the CMAKE_MATCH_* variables to simplify matching logic.  Match
either 3 or 4 version components.  Do not fail when there are only three
components available.

Also state explicitly that the module is deprecated.

This reverts commit 77f06b14.

It may be re-added in the future when the requirements for that
platform are better known and supported by CMake.

Use the namespace org.cmake instead of org.sphinx.cmake. Add the
version to the output file name.

783bce29 Export: Disallow exported interface includes in src/build tree (#14592).
c869984e RunCMake: Allow specifying the source dir and file to test.

a9fe65c3 cmSystemTools: Remove unreachable return on HP compiler
72e137ea Re-word comment on unreachable return statements

f401b925 Merge branch 'upstream-kwsys' into update-kwsys
c54be583 KWSys 2014-04-07 (8b085635)

539b6c58 Fix build on AIX failing because of access to string elements

2dad1c14 ExternalProject: Find VCS packages quietly

4f1c71fd cmTarget: Add all sources traced from custom commands at once.
b1c3ae33 cmTarget: Short-circuit language computation if context independent.

Allow directories in the source tree or build tree only if the
install tree is a subdirectory of the source tree or build tree,
as appropriate.

Re-use the test files in the RunCMake.include_directories test
to run in multiple scenarios.  Bump the required CMake version
in the test to 3.0 to ensure that the new policy warnings are
emitted correctly.

The AddSource method accepts one file and tries to avoiding adding
it to the sources-list of the target if it already exists.  This
involves creating many cmSourceFileLocation objects for matching
on existing files, which is an expensive operation.

Avoid the searching algorithm by appending the new sources as one
group.  Generate-time processing of source files will ensure
uniqueness.

Add a new AddTracedSources for this purpose.  The existing
AddSources method must process the input for policy CMP0049, but
as these source filenames come from cmSourceFile::GetFullPath(),
we can forego that extra processing.

Computing the language involves computing the source files, which
is an expensive operation.  It requires calling
cmMakefile::GetOrCreateSource many times, which involves creating
and matching on many cmSourceFileLocation objects.

Source files of a target may depend on the head-target and the
config as of commit e6971df6 (cmTarget: Make the source files depend
on the config., 2014-02-13).  The results are cached for each context
as of commit c5b26f3b (cmTarget: Cache the cmSourceFiles in
GetSourceFiles., 2014-04-05).

Each target in the build graph causes language computation of all
of its dependents with itself as the head-target.  This means that
for 'core' libraries on which everything depends, the source files
are computed once for every transitive target-level-dependee and
the result is not cached because the head-target is different. This
was observed in the VTK buildsystem.

Short circuit the computation for targets which have a source-list
that is independent of the head-target.  If the source-list has
already been computed and the generator expression evaluation
reports that it was context-independent, return the only source-list
already cached for the target.  Reset the short-circuit logic when
sources are added and when the link libraries are re-computed.

Watcom Linker use single quote if necessary for quoting target name,
libraries names and libraries search path.  Object names were already
fixed.