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As listed in the reference document.
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Prior to GNU 4.7, GNU defined __cplusplus incorrectly, and defined
__GXX_EXPERIMENTAL_CXX0X__ in C++11 mode.
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GNU-CXX already has complex logic and sets the _result to 0 before
tests which may set it to something else.
Change the other modules to be consistent with that.
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ff880ece Help: Add notes for topic 'FindGit-local-Github'
54690624 FindGit: Search in 'GitHub for Windows' user directory
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da928d30 Help: Add notes for topic 'Apple-compiler-selection'
1f085e11 OS X: Resolve compiler in /usr/bin to that reported by Xcode xcrun
85d31735 CMakeDetermineCompiler: Factor out xcrun invocation into a macro
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The compiler in the PATH on mac is a stub for a different delegate
depending on the environment. Rather than requiring xcode-select to
change the used Xcode globally, users should be able to choose the
compiler per-session. That is possible with the DEVELOPER_DIR
environment variable.
However, the environment can change between running CMake and invoking
the build. In such cases, CMake prefers to record the relevant paths
from the environment and use them when invoking the build. That is not
currently done for the compilers on APPLE, so the compiler used is not
the one reported when running cmake:
$ DEVELOPER_DIR=/Applications/Xcode2.app/Contents/Developer/ cc --version
Apple LLVM version 6.0 (clang-600.0.51) (based on LLVM 3.5svn)
Target: x86_64-apple-darwin13.4.0
Thread model: posix
$ DEVELOPER_DIR=/Applications/Xcode.app/Contents/Developer/ cc --version
Apple LLVM version 5.1 (clang-503.0.38) (based on LLVM 3.4svn)
Target: x86_64-apple-darwin13.4.0
Thread model: posix
Update that now by querying Xcode for the correct compiler path if
the compiler located by ordinary means is located in /usr/bin.
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This will allow it to be re-used in multiple code paths later.
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68857ccd FindMPI: handle trailing slash from $MSMPI_BIN
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When installing, MSMPI puts a trailing backslash in the MSMPI_BIN
environment variable. This causes trouble when concatenating in CMake
since the list separator is now escaped and no longer a list separator
due to the trailing backslash. Instead, use file(TO_CMAKE_PATH) to make
the path CMake-friendly.
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dcd72a74 Help: Add notes for topic 'Xcode-clang-compile-features'
3ad893b5 Features: Record for historical Xcode clang versions.
98965fb1 Features: Record dialect flags for AppleClang 4.0+.
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74b8f786 zlib: Disable warnings to avoid changing 3rd party code
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65b81da4 cmVariableWatch: Use the cmDeleteAll algorithm with for_each.
30d2de9a cmGeneratorExpressionEvaluator: Replace own algorithm with cmDeleteAll.
4a6e795b Use the cmDeleteAll algorithm instead of trivial raw loops.
abb4a678 Add a generic algorithm for deleting items in a container.
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Specialize for std::map types to delete the second element from
the iterator. This is not quite general enough that it can
be used everywhere, because CMake inherits from std::map and
creates typedefs with custom comparison functors etc, which
can not use this algorithm.
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45ec182d Features: Fix the COMPILE_FEATURES genex for unavailable features.
2bead0eb cmMakefile: Rename a method to what it really does.
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Previously, the genex tested only for CMake knowledge of the feature,
but not compiler knowledge of the feature.
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The method does not test availability of compile features.
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23f3798c cmTarget: Compute link language of TARGET_OBJECTS with CMP0026 OLD (#15338)
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Commit v3.1.0-rc1~297^2~5 (cmTarget: Drop 'head' argument from
GetSourceFiles, 2014-07-10) exposed a dormant bug in source file computation,
causing the test case to regress. After that commit, the source file
computation and caching finds an existing container of source files. Prior to
that patch, the GetSourceFiles method was called with either a null pointer
for the head cmTarget, or it was called with the this pointer. The
processSources method is eventually called, which normalizes the difference
between the null pointer and the this pointer for the head target. However,
the cache key depends on the actual pre-normalized pointer. The change in
that commit caused the entry to be found in the cache where it was not before,
which resulted in incorrect behavior.
Prior to that commit, the test case also fails if the GetSourceFiles overload
taking a vector<cmSourceFile*> is changed to normalize the head target at
the beginning of the method:
cmTarget const* head = head_ ? head_ : this;
Such a construct was correctly used in other locations where similar caching
was in place, before being removed in commit v3.1.0-rc1~310^2~25 (cmTarget:
Remove 'head' argument from GetLinkInformation, 2014-06-12), but is not
neccessary anymore.
Commit v3.1.0-rc1~674^2~2 (cmTarget: Cache the cmSourceFiles in
GetSourceFiles., 2014-04-05) introduced the caching, but fails the test case
for an unrelated reason. That unrelated error was introduced in
commit v3.1.0-rc1~688^2~5 (cmTarget: Allow any generator expression in
SOURCES property., 2014-03-18) and fixed in
commit v3.1.0-rc1~561^2~1 (cmTarget: Fix listing of source files at
configure-time., 2014-04-13).
All commits which fail the test case in the testable way do so when such a
cached version of the source files is found and returned at generate
time. In the test case, the cached content is populated at configure-time
through the use of the deprecated LOCATION property with CMP0026 OLD. The
cached content is an empty container for the bar target in the test case,
because its source file 'foo.cpp.o' is not known until generate-time. That
means that no source files are available to compute the link language and
the reported error is issued.
The actual problem is that the SourceFilesMap should be cleared after
configure time by cmTarget::ClearLinkMaps. Clear it there now.
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70abf6e7 CPack: Fix PackageMaker internal versioning for OS X 10.10
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Avoid using a floating point value to represent the version, since
"10.10" would be treated as "10.1".
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4048f7cd FindBoost: Add latest Boost version 1.57.0 and next milestone 1.58.0
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802d0aa0 FindRuby: Fix output check in _RUBY_CONFIG_VAR
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Since commit v2.8.8~173^2 (FindRuby: clean up querying variables from
Ruby, 2012-02-17) we query RbConfig::CONFIG first and, if the command
fails or its output equates to a false constant, then fall back to
querying Config::CONFIG.
Due to the above, an error condition exists with Ruby 2.2.0; when
querying RbConfig::CONFIG['TEENY'], the output of '0' will be discarded
since it matches the false constant '0'.
In previous versions this wasn't a problem, but Ruby 2.2 has completely
removed Config::CONFIG. This causes RUBY_VERSION_PATCH to be set to an
empty string and the Ruby version to be detected as '2.2.' (instead of
'2.2.0').
Fix the output check to explicitly look for an empty string before using
the fallback query method. (Someone more familiar with Ruby might be
able to deem the fallback as unnecessary and fully remove it.)
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dd5d2eb1 FindRuby: fix selection of version x.0 (#15345)
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When "Ruby_FIND_VERSION_MINOR" is 0, the "if(Ruby_FIND_VERSION_MAJOR AND
Ruby_FIND_VERSION_MINOR)" check evaluated to false.
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4ce110bb Tests: Revert workaround for COMPILE_FEATURES genex bug
0b7e7e27 Revert topic 'feature_record_msvc'
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The second hunk of commit 07d1f6fc (Features: Properly evaluate if the
compiler supports cxx_final, 2014-12-31) was a workaround for a bug in
the COMPILE_FEATURES generator expression that caused it never to return
0. Revert the workaround so we can fix the bug instead.
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Revert commits:
2d738ce3 Help: Add notes for topic 'feature_record_msvc'
f73718c9 Features: Enable writing of MSVC compiler feature header.
64c30bdc Features: Record for MSVC C++ 2015 and MSVC C 2010-2015.
225c0ef8 Features: Record for MSVC 2010-2013.
This topic was merged to master prematurely, so remove it.
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f121b6b1 Help: Add notes for topic 'Apple-GNU-compiler-features'
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a3513cee Help: Add notes for topic 'find-msmpi'
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