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As listed in the reference document.
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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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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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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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00f66a04 Record compile features for GNU on Apple.
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Tested with GNU 4.8 binary (bottle) from homebrew, and assumed to work
with the others.
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7b7209f6 Xcode: Do not require code signing for compiler id (#15214)
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The approach in commit v3.1.0-rc1~1^2 (Xcode: Fix compiler id detection
when code signing is required, 2014-10-22) still requires a code signing
key when targeting a real device. Instead set CODE_SIGNING_REQUIRED to
"NO" to tell Xcode not to sign at all. Drop the corresponding setting
of the code signing identity.
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89e08de8 FindLATEX: Add components for XeLaTeX and LuaLaTeX
c32f6919 FindLATEX: Add components Biber and xindy
222ee2c0 FindLATEX: Add components PDFtoPS and HTLATEX
07a3f9ad FindLATEX: Add components handling
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99b13820 FindOpenSSL: Always extract version from detected header (#15075)
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Do not use the _OPENSSL_VERSION computed by pkg-config because
the user may change OPENSSL_INCLUDE_DIR.
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4729547a XL: Fix link flags for executables on Linux with XL compilers
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Use "-Wl,-export-dynamic" with XL to match the "-rdynamic" flag used
with GNU-like compilers.
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b4e54f9b FindCUDA: Add relevant CMAKE_{C,CXX}_FLAGS for separable compilation
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Previously only the CMAKE_{C,CXX}_FLAGS_<CONFIG> flags were inspected
for relevant flags when compiling the intermediate link file. We need
to also consider the configuration agnostic flags, CMAKE_{C,CXX}_FLAGS
as well.
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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.
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Notes:
VS2015 and above are the only MSVC versions to support cxx_final, so remove
usages from the tests, and instead only test for cxx_override.
VS2012 and above to conform to cxx_decltype_incomplete_return_types
proposal, but without support for auto return types the dcl.type.simple
example in the proposal doesn't compile.
VS2013 and above to conform to the updated cxx_contextual_conversions proposal,
but VS2010 and above pass the test.
Compilers such as MSVC have no explicit flags to enable C++11 mode,
it just is always on. So only run the link tests with compilers that require
a flag to specify the language version.
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Initializer lists are only properly supported in 2015 and above.
Previous Visual Studio releases said they supported initializer lists
but silently produced bad code.
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998e9c10 WCDH: Add feature portability for thread_local.
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AppleClang does not support the cxx_thread_local feature, even
though it is based on a Clang version which does support the
feature.
http://stackoverflow.com/a/23850891/2428389
A possible reason for that is that thread_local might be used as
a variable in existing Apple SDK headers.
Extend the WriteCompilerDetectionHeader module to generate a define
for that feature with portability fallbacks. For the avoidance of
making it easy to write code which looks correct but which has odd
runtime behavior, don't set the define symbol at all if no
equivalent keyword is known.
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998ed4ca Features: Record cxx_variable_templates for GNU 5.0.
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67516fb5 FindSDL: Allow if() to dereference SDL_INCLUDE_DIR for matching
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Otherwise the syntax is incorrect when the variable is empty.
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ab4d1d07 FindMPI: MSMPI changed the subdirectories it uses
82724394 FindMPI: add more search paths for MSMPI
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