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65aa5442 Target: Return null when a transitive property is not defined.
61ce6547 Genex: Fix stack overflow in transitive property evaluation.
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Commit v2.8.11~310^2~1 (Keep track of INCLUDE_DIRECTORIES as a vector of
structs., 2012-11-19) added special case of INCLUDE_DIRECTORIES
for the purpose of origin-tracking of individual entries in the property. It
introduced a bug in that it returned an empty string instead of '0' in the
case that no includes have been set.
Commit v2.8.11~289^2~2 (Handle INTERFACE properties transitively for includes
and defines., 2012-09-23) introduced transitive handling of the property
through the link implementation, together with a whitelist of properties
which would be evaluated transitively. Because of the bug introduced
previously, the 'prop' in TargetPropertyNode is non-null,
meaning that the content (the empty string) would be evaluated as a generator
expression. This was harmless as the follow-up code was only for 'INTERFACE_'
variants of target properties, so the effect was the same.
Commits v2.8.11~280^2~2 (Keep track of properties used to determine linker
libraries., 2012-11-05) and v2.8.11~280^2~1 (Add API to calculate
link-interface-dependent bool properties or error., 2013-01-06) added a way
to track and report errors on properties which both determine and are
determined by the link implementation. This was later used in generator
expression evaluation by commit v2.8.11~252^2~2 (Make INTERFACE determined
properties readable in generator expressions., 2013-01-19). If a property
is unset (null), and the link implementation of the target was not being
evaluated, this commit made it possible to evaluate the property from the
link implementation instead. If the link implementation was being evaluated,
an empty string was returned from the generator expression evaluation, which
might be later reported as an error.
The above logic was written for 'compatible interface' properties, but in
fact it should have also included other properties. Because of the
empty-string-instead-of-null bug, this code block is not entered for the
INCLUDE_DIRECTORIES property. At this point, however, the bug still does
not significantly affect behavior, because the follow-up code is still a
no-op for the INCLUDE_DIRECTORIES property, and an empty string is returned
regardless. Commit v2.8.11~189^2~6 (Use the link information as a source of
compile definitions and includes., 2013-02-12) refactored the logic, but also
without a change in behavior.
Commit v2.8.11~156^2~2 (Expand includes and defines transitively
in 'external' genexes., 2013-02-13) refactored the logic again, this time with
a change of behavior. The INCLUDE_DIRECTORIES property was then mapped to
INTERFACE_INCLUDE_DIRECTORIES during transitive generator expression
evaluation. Because the transitive evaluation involved evaluation of the
link implementation, this introduced a recursive loop and a segfault with
code like:
add_library(empty1 ...)
add_library(empty2 ...)
target_link_libraries(empty1
PRIVATE
$<$<STREQUAL:$<TARGET_PROPERTY:INCLUDE_DIRECTORIES>,/foo/bar>:empty2>
)
As there is no real use-case for reading a target property like that while
evaluating the link implementation, this went unnoticed. The same pattern
was followed for other special-cased reads of transitive target properties
such as COMPILE_DEFINITIONS.
The segfault was fixed in the parent commit, but change the property to
return null when appropriate for other future uses.
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Commit v2.8.11~156^2~2 (Expand includes and defines transitively
in 'external' genexes., 2013-02-13) introduced a recursive loop
and a stack overflow during evaluation of a link implementation
which depends on a transitive property, such as
add_library(empty1 ...)
add_library(empty2 ...)
target_link_libraries(empty1
PRIVATE
$<$<STREQUAL:$<TARGET_PROPERTY:INCLUDE_DIRECTORIES>,/foo/bar>:empty2>
)
There is no use-case for code like that currently, but it should not
cause a stack overflow.
Avoid the recursion by reporting an error early if a case like this
is found.
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ac8879ce Ninja: Add order-only dependencies to link commands (#14728)
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A library or executable target that consists only of a reference to an
object library may have no sources to compile or custom commands to run.
The command in the target is the link (or archive) command. Add missing
order-only dependencies to link commands so that target ordering
dependencies are satisfied for it without depending on an intermediate
compilation rule.
Extend the ObjectLibrary test to cover this case.
Co-Author: Brad King <brad.king@kitware.com>
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9571214e Encoding: Replace some system calls with kwsys calls which handle unicode.
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71c981a2 Encoding: Fix potential encoding issues with libarchive on Windows.
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Because the 8bit string encoding in libarchive can be different than
the 8bit string encoding in CMake, change to call the wide version
of libarchive functions. They are different if CMake is configured
to use UTF-8 as the internal encoding.
Create helper functions for some libarchive calls to use wstring
internally on platforms supporting it.
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93371ed5 Ninja: Skip generating empty phony rules
7243c951 Ninja: Don't limit custom cmd side-effects to build folder (#14972)
a33cf6d0 Ninja: Consider only custom commands deps as side-effects (#14972)
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Ninja generator ensures that all custom commands being target
dependencies are run before other source compilations. However in case
there are no such dependencies it currently generates empty phony rules
which clutter the build graph.
Teach the Ninja generator to produce such rules only when necessary.
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Actually custom command can write wherever it wants to, such as temporary
folder or source folder, possibly violating rules that only build folder should
be affected. Therefore we should consider custom command dependency at any path
as possible side effect adding phony rule.
We avoid adding phony rules for regular source files (since the paraent
commit) so we no longer need the in-build-tree test to avoid them.
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Since commit v2.8.12~248^2 (Ninja: Custom Command file depends don't
need to exist before building, 2013-06-07) all explicit dependencies
inside build folder were considered as possible build command
side-effects and phony rules were produced for them in case they don't
exist when starting to build. This is unnecessary since regular compile
inputs need to exist or cmake will fail. Moreover the exception for
sources having GENERATED property that can be missing is already handled
by WriteAssumedSourceDependencies.
This fixes unwanted phony rules for all regular source files when doing
in-source build, causing Ninja not complain when such files gets missing,
i.e. during development. Also this reduces number of rules in ninja.build.
Now only custom command dependencies are considered as possible side-effects.
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f0e298ad Help: Add notes for topic 'vs14-generator'
5c105140 Tests: Simplify LoadCommand tests
b1cbd577 FindBoost: Add -vc140 mangling for VS 14
bdc7d9c8 VS14: Fix Cl and Link flag tables as previous versions
d96b3f68 VS14: Generate flag tables from MSBuild v140 tool files
65624c39 VS14: Add Visual Studio 14 generator (#14982)
8635ac23 Tests/Preprocess: Remove unnecessary VS version tests
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Apply the flag table fixes from:
commit 9c7f234c (VS: Fix /MANIFESTUAC:NO linker option mapping, 2014-05-07)
commit e8633e66 (VS: Fix /analyze:log flag mapping, 2014-04-01)
commit f2caf795 (VS: Fix /MAP:mapfile flag mapping, 2013-07-09)
to the VS 14 flag tables.
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Run cmparseMSBuildXML.py on cl.xml, lib.xml, and link.xml to generate
our flag tables:
python cmparseMSBuildXML.py -x ".../MSBuild/Microsoft.Cpp/v4.0/V140/1033/cl.xml" > cmVS14CLFlagTable.h
python cmparseMSBuildXML.py -x ".../MSBuild/Microsoft.Cpp/v4.0/V140/1033/lib.xml" > cmVS14LibFlagTable.h
python cmparseMSBuildXML.py -x ".../MSBuild/Microsoft.Cpp/v4.0/V140/1033/link.xml" > cmVS14LinkFlagTable.h
Fix up the declaration names at the top of each file. Finally, teach
cmVisualStudio10TargetGenerator to select the version of the table
matching the version of VS.
Co-Author: Pawel Stopinski <diokhan@go2.pl>
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Call the generator "Visual Studio 14" without any year because this
version of VS does not provide a year in the product name.
Copy cmGlobalVisualStudio12Generator to cmGlobalVisualStudio14Generator
and update version numbers accordingly. Add the VS14 enumeration value.
Teach the platform module Windows-MSVC to set MSVC14 and document the
variable. Teach module InstallRequiredSystemLibraries to look for the VS
14 runtime libraries.
Teach tests CheckCompilerRelatedVariables, VSExternalInclude, and
RunCMake.GeneratorToolset to treat VS 14 as they do VS 10, 11, and 12.
Co-Author: Pawel Stopinski <diokhan@go2.pl>
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6650b0fa bootstrap: Fix "make test" and "make package" targets (#14989)
bc151757 bootstrap: Clarify name of configured source directory
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Since commit v3.0.0-rc1~374^2 (Refactor internal resource location APIs
and initialization, 2013-11-07) a bootstrap-built "cmake" tries to
reference "ctest" and "cpack" executables next to itself, which never
exist. Teach cmSystemTools::FindCMakeResources, when bootstrap-built,
to refer to the "ctest" and "cpack" executables in the location where
they will be built after "make".
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Rename CMAKE_ROOT_DIR to CMAKE_BOOTSTRAP_SOURCE_DIR to clarify both that
it is only for bootstrap and that it refers to the source directory.
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24637979 cmTarget: Refactor ComputeLinkImplementation
7812d2a9 cmTarget: Pre-indent a block in ComputeLinkImplementation
f48d8bd6 cmTarget: Shorten a long line in ComputeLinkImplementation
7b0834e9 cmTarget: Refactor internal LinkImplementation map
b8651d97 cmTarget: Remove unnecessary 'mutable' markup
0192be51 cmTarget: De-duplicate link interface evaluation for $<LINK_ONLY>
6ead631b cmTarget: Teach GetLinkInterfaceLibraries to support $<LINK_ONLY>
b030a7f1 cmTarget: De-duplicate link interface genex code for $<LINK_ONLY>
1001490d cmTarget: Teach ExpandLinkItems how to support $<LINK_ONLY>
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Use LinkImplementationPropertyEntries directly instead of asking
GetProperty to construct a string for LINK_LIBRARIES. This gives us
access to the entry backtraces.
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Prepare to move it into another block without extra whitespace changes.
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Prepare to change its indentation without exceeding line length limit.
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If ComputeLinkImplementationLanguages were ever to cause
GetLinkImplementationLibraries to be invoked then a LinkImplMap entry
may appear in the middle of computing it in GetLinkInformation. Instead
create the map entry up front and store in it boolean values indicating
which pieces of the LinkImplementation structure have been populated.
This approach leads to shorter code that is easier to follow too.
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Members of the cmTargetInternals structure do not need to be made
'mutable' even to cache data because there is no reason for the
internal methods to be 'const'.
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Teach GetTransitivePropertyTargets to use the GetLinkInterfaceLibraries
method with usage_requirements_only==true instead of evaluating the
INTERFACE_LINK_LIBRARIES property directly. This avoids duplicate
evaluations and makes use of the caching done by
GetLinkInterfaceLibraries.
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Add a 'usage_requirements_only' parameter to GetLinkInterfaceLibraries
and supporting internal APIs to pass through to ExpandLinkItems so it
knows whether to use SetTransitivePropertiesOnly while evaluating
generator expressions.
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Simplify the implementation of GetTransitivePropertyTargets by using
ExpandLinkItems with usage_requirements_only==true to evaluate the
generator expressions in the link interface for us.
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Add a 'usage_requirements_only' parameter to ExpandLinkItems so that it
knows whether to use SetTransitivePropertiesOnly while evaluating
generator expressions. Update existing call sites to pass 'false' since
they are for linking and not usage requirements.
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3bae343f cmCPackGenerator: Avoid crash on undefined CMAKE_MAKE_PROGRAM
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Since commit 6557382d (stringapi: Use strings for program
paths, 2014-02-24), cmGlobalGenerator::GenerateBuildCommand
takes the make program path as a std::string. Fix the lookup
in cmCPackGenerator::InstallProjectViaInstallCMakeProjects to
use GetSafeDefinition for CMAKE_MAKE_PROGRAM to avoid possible
construction of std::string from a NULL.
Reported-by: Richard Wirth <richard@califax.de>
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d19b64d6 install(DIRECTORY): Add MESSAGE_NEVER option to avoid output (#13761)
c9568de5 install: Add CMAKE_INSTALL_MESSAGE variable (#13761)
ec7cf7ea install: Thread message level setting through internal API
abebcd23 file(INSTALL): Add undocumented options to control output verbosity
464567a5 file(INSTALL): Report existing DIRECTORY as Up-to-date
f701b0b7 file(INSTALL): Do not pre-create DESTINATION for DIRECTORY
f0a01962 cmInstallTargetGenerator: Drop default constructor arguments
67815894 Help: Add install() command document section headers
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Installing large directories, e.g., the output of a doxygen run, prints
one line per file resulting in too much noise in the build output. Add
an option to the install(DIRECTORY) command to not print anything upon
make install.
Extend the RunCMake.install test with cases covering MESSAGE_NEVER
behavior of the install(DIRECTORY) command.
Suggested-by: Stefan Eilemann <Stefan.Eilemann@epfl.ch>
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Create a variable to allow users to control which installation
messages are printed. In particular, provide a "LAZY" setting
that prints "Installing" messages but not "Up-to-date" messages.
This is desirable for incremental re-installations.
Suggested-by: J Decker <d3ck0r@gmail.com>
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Create a cmInstallGenerator::MessageLevel enumeration for future use in
specifying install message verbosity. Thread values of the type through
constructors and save the value as a member of cmInstallGenerator.
Use only a "MessageDefault" value for now.
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Create options "MESSAGE_ALWAYS", "MESSAGE_LAZY", and "MESSAGE_NEVER" to
specify whether to print the "Installing" and "Up-to-date" messages.
Extend the RunCMake.file test with cases covering these options.
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Teach cmFileCopier::InstallDirectory to detect whether the destination
directory exists. If so, report it as "Up-to-date" instead of
"Installing". This resolves message asymmetry with file installations.
Extend the RunCMake.file and RunCMake.install tests to check the
installation output on both the first and second run.
Suggested-by: J Decker <d3ck0r@gmail.com>
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When installing a DIRECTORY, do not pre-create the DESTINATION. The
cmFileCopier::InstallDirectory method will create the directory anyway.
Give it a chance to detect whether the directory already exists or not.
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They are used only in cmLocalGenerator::GenerateTargetInstallRules.
Move the defaults to a local helper where the context justifies their
values.
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f5c18c9c cmTarget: Drop GetDirectLinkLibraries methods
281eb3d8 cmTarget: Improve HaveBuildTreeRPATH implementation
d912220e cmTarget: Lookup targets in LinkInterface and LinkImplementation
edce4351 cmExportFileGenerator: Make SetImportLinkProperty a template
097be413 cmTarget: Add GetUtilityItems to get target ordering dependencies
4dad5fd2 cmTarget: Add cmLinkItem to refer to a target by name and pointer
a2723442 Fix scope of transitive target name lookups
069d60fe cmTarget: Add method to lookup other targets in a target's scope
47ab3ca6 cmTarget: Constify GetLinkImplementationClosure results
9f3ed029 cmTarget: Constify GetTransitivePropertyTargets results
6f0951af cmTarget: Drop 'head' target from GetImportInfo
0dc9e88d cmTarget: Remove 'head' argument from GetLinkImplementation
4ac72455 cmTarget: Drop 'head' argument from GetLinkClosure
bcdb7ff9 cmTarget: Remove 'head' argument from GetLinkerLanguage
bd9b667b cmComputeLinkInformation: Remove 'head' argument
06328dd5 cmTarget: Remove 'head' argument from GetLinkInformation
...
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