This adds support for the new cdash API where arbitrary files can be
uploaded to the CDash server. This CDash API communicates via json
files so the json parser jsoncpp was added to the Utilities directory.
0238d0c3 cmake: Generate an internal 'Labels.json' file next to 'Labels.txt'
bda4f0b6 jsoncpp: Add headers to help CMake include in-source jsoncpp headers
a02fbec5 jsoncpp: Drop doxygen comments that cause Clang warnings
In each internal target directory we generate a "Labels.txt" file
containing labels for that target and its sources, but it uses an
internal format. In order to make the list of labels easier to
publish, use a json format and call it "Labels.json".
Since we now use jsoncpp headers, link CMakeLib to the jsoncpp library.
Add an option to set the mtime of entries in a tarball so that one can
create a tarball with a consistent content hash (e.g. MD5) for a given
set of files regardless of their current timestamps on disk. This will
be useful for submission of tarballs to CDash, which tracks content
hashes to avoid duplication.
Inspired-by: Bill Hoffman <bill.hoffman@kitware.com>
fa889c4d cmakemain: Initialize vector content with iterators directly.
8211010c cmakemain: Use member insert in command line handling code.
b5422573 cmListCommand: Replace loop with member algorithm.
92a37f92 Convert raw loops to set member insert.
aac44e71 Convert raw loops to vector member insert.
The default target in XCode is the first one in the file.
In commit v3.1.0-rc1~286^2 (cmTarget: use a hash_map for cmTargets
typedef, 2014-06-10) the order of the targets stored in cmMakefile was
made non-deterministic instead of lexicographic. Teach the Xcode
generator to do its own sorting to restore a predictable order.
While at it, place ALL_BUILD first (as is done in VS IDE generators)
explicitly in the comparison function so that it is the default target
even if other targets sort earlier lexicographically (e.g. "AAA").
In commit v3.1.0-rc1~687^2~4 (cmTarget: Make the source files depend on
the config, 2014-02-13) an early termination case was added to the Xcode
generator. Fix handling of this case to actually abort all the
generation steps. Otherwise some of the later steps are attempted
without the preconditions normally established by earlier steps,
possibly leading to a crash.
Since commit v3.0.0-rc1~335^2~1 (eclipse: Add natures for Eclipse based
on enabled languages, 2013-08-29) CXX projects got only "ccnature", but
Eclipse itself also adds "cnature" when creating C++ projects. Fix this
by adding both for CXX projects.
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.
The sweeping pattern change in commit 238dd2fb (Use insert instead of a
loop in some cases, 2014-11-22) accidentally changed the iterator range
used on the queue in cmCTestBuildHandler::ProcessBuffer. Instead of
ending at the iterator positioned at the next newline to populate
CurrentProcessingLine, it was changed to go to the end of the queue.
This causes the line to contain newlines and possibly be cut off in the
middle of a line. Fix this regression by restoring use of the proper
end-of-line position.
Case where CPACK_CMAKE_GENERATOR value is non existent or
or contains multiple words that were not quoted was not
handled and produced a segmentation fault.
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.
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.
55a73e6b Use the cmJoin algorithm where possible.
8dc8d756 cmStandardIncludes: Add a join algorithm for string containers.
b5813cee cmInstallCommand: Remove unused variable.
4035ef78 cmake -E tar: error out on multiple compression formats
d811d238 cmSystemTools: use an enumeration for compression formats
df16dcfb cmake -E tar: add support for .xz files with 'J'
b0a5d393 cmake -E tar: clean up flag documentation
This commit fixes a segmentation fault I encountered when my
Coverage.xml referenced a system file, eg /usr/lib/python/foo.py.
Similar to other CMake coverage parsers, this one now ignores any
files it finds that are not located within this project's source
or binary directories.
3660d063 cmTarget: Use insert instead of std::copy.
5c28495f Help: Remove documented restriction on template use.
ac3d3829 Help: Remove documented restriction on find in conditions.
36b8de56 Help: Remove documented restriction on insert APIs.
6162c919 Use two-iterator std::set::insert where appropriate.
238dd2fb Use insert instead of a loop in some cases.
2f7ef7e3 Revert "Misc. fixes for the Oracle / Sun compiler."
4c69ec6f SolarisStudio: Use alternative standard library to build CMake.
The "." in the extension was dropped by commit v3.1.0-rc1~556^2~2
(cmSourceFile: Cache the isUiFile check, 2014-02-08) by mistake. This
caused the options to not be set.
This requires the input range to supply BidirectionalIterators, which
is not a problem for where it is currently useful to us. The alternative
would be to not invoke --last;, and instead create an output iterator
similar to std::ostream_iterator, but which puts the delimiter before
the item to output.
Case where CPACK_CMAKE_GENERATOR value is non existent or
or contains multiple words that were not quoted was not
handled and produced a segmentation fault.
When configured to use UTF-8 internally, add a UTF-8 BOM
to generated .sln files for Visual Studio to correctly
handle them.
Otherwise, some versions of Visual Studio will read them
as ANSI encoded files.
When uploading files greater 2GB a cast to 'int' overflows, leading to a
bad alloc when passed to new. Also avoid floating point arithmetic when
integer calculations will work as well.
Reported-by: Justin Borodinsky <justin.borodinsky@gmail.com>
07fc7b75 Tests: Test using objects from a language enabled in a subdirectory (#15325)
fdbfcfdf Ninja: Generate rules only for languages compiled in a target (#15325)
e2a489c7 Remove some temporary vectors for ExpandListArgument.
0f99feec cmGeneratorExpression: Remove unused header.
722f1a71 CTest: Expand a string directly into a container.
Refactoring in commit v3.1.0-rc1~688^2~2 (cmTarget: Compute languages
from object libraries on demand, 2014-03-18) taught cmTarget::GetLanguages
to (correctly) include the languages of object library sources. Previously
this was done only in cmTarget::ComputeLinkImplementationLanguages to
choose the linker language.
The Ninja generator writes out generic build rules for each language
compiled within a target using the rule variables defined in the
directory of the target. This only needs to be done for languages
actually compiled within the current target. Switch from using the
cmTarget::GetLanguages method to get the list of languages over to
using cmTarget::GetSourceFiles directly so we do not get the languages
in object libraries.
Strictly speaking this should make no difference because it is not safe
to use objects from a language not enabled in the directory containing
a target or else the link information for the language may not be
considered. However, in cases when no link information happens to be
needed for a language it was possible in CMake 3.0 and below to enable
a language only in a subdirectory providing an object library, and then
use the objects from a containing directory. The above change teaches
the Ninja generator to continue working in this case.
b189c599 Tests: Run CFBundleTest only with valid configuration
3a605693 Xcode: Call IsCFBundleOnApple to decide if bundle is being built
207b7af0 cmTarget: Use GetCFBundleDirectory within GetFullNameInternal
One piece of code has some ambiguous type deduction that seems to
resolve correctly for most compilers but not for the Oracle compiler.
Make it more explicit.
Narrow down the decision if a CFBundle is built to one place.
This is a preparation patch to add another target property
which, if set, will imply BUNDLE. Having only one function
which will have to look at both properties helps to keep code
clean.
Signed-off-by: Gregor Jasny <gjasny@googlemail.com>
Also add a 'CMAKE_ANDROID_API_MIN' variable to set the property
default. Teach the VS generator to write the MIN API value into
Nsight Tegra project files.
In cmCTestMemCheckHandler::PostProcessBoundsCheckerTest return early
if the output file name is empty. We already do this in the similar
cmCTestMemCheckHandler::AppendMemTesterOutput method.
When install(EXPORT) is given an absolute destination we cannot compute
the install prefix relative to the installed export file location.
Previously we disallowed installation of targets in such exports with a
relative destination, but did not enforce this for target property
values besides the location of the main target file. This could lead to
broken installations when the EXPORT is installed to an absolute path
but usage requirements are specified relative to the install prefix.
Since an EXPORT installed to an absolute destination cannot be relocated
we can just hard-code the value of CMAKE_INSTALL_PREFIX as the base for
relative paths. This will allow absolute install(EXPORT) destinations
to work with relative destinations for targets and usage requirements.
Extend the ExportImport test with a case covering this behavior.
A few pieces of code have some ambiguous type deduction that seems to
resolve correctly for most compilers but not for the Oracle compiler.
This makes those few instances more explicit.
In the unlikely event that someone has a billion+ scripts (or some
codepath returns negative numbers), we could overflow and make a pile of
errors a non-error. This change also allows us to use flags for the
error in the future rather than just "something went wrong".
We use cmGlobalGenerator::GetDirectoryContent to avoid repeating
directory listings. However, GetDirectoryContent loads content from
disk at most once. This breaks find_library calls that occur when disk
content has changed since preceding find_library calls.
Teach cmGlobalGenerator::GetDirectoryContent to save the directory
modification time when content is loaded and re-load content if it
changes.
Create a RunCMake.find_library test with a case covering this.
Given a rule of the form
out1 out2: dep1
out1 out2: dep2
Borland Make complains that there are multiple rules for "out1"
even though this works when there is only one output. Instead
generate
out1 out2: dep1 dep2
for Borland Make, but only when there are multiple outputs.
Convert the StringToInt helper into a StringToLong helper with a 'long'
result type. This will make the helper more useful to other callers
that want to use strtol.
While at it, also check errno after calling strtol in case the
conversion fails with a range error.
Because ctest reads in binary but writes in text mode, Windows' newline
transformation can be applied multiple times causing '\n' in the source
application to be written out as '\r\r\n' instead.
Fix the generated makefiles for custom commands with multiple outputs to
list all the outputs on the left hand side of the build rule. This is
much simpler and more reliable than the old multiple-output-pair
infrastructure.
The Xcode generator uses Makefiles under a run-script build-phase to
drive custom commands. Fix the generated makefiles for custom commands
with multiple outputs to list all the outputs on the left hand side of
the build rule. This is much simpler and more reliable than the old
multiple-output-pair infrastructure.
If a source file COMPILE_FLAGS option adds "-wd", the .vcxproj file
will have a DisableSpecificWarnings setting for the source file.
Add to the setting a reference to %(DisableSpecificWarnings) to
inherit any such flags set for the whole target.
Copy CMAKE_EXE_LINKER_FLAGS into the test project generated by
try_compile, just like we already copy CMAKE_<LANG>_FLAGS.
Add CMake Policy CMP0056 to activate this behavior in a compatible way,
but do not warn by default when the policy is not set since it will
affect all try_compile calls.
Extend the RunCMake.try_compile test with a case covering this behavior
for each policy setting.
When compiling the ABI detection test project, do not override
CMAKE_EXE_LINKER_FLAGS completely. The normally selected value of this
variable may influence how the link is done and may be needed to be
representative of how the calling project will be built. Instead pass a
variable that try_compile will reference as additional flags. Leave
this behavior of try_compile undocumented for now.
With PushScope and PopScope, keeping track of another bit of data for
each scope isn't easy. Instead, store it as another CMake variable so it
gets implicitly tracked along with everything else.
This works in a revert of commit
7d674b5f0b.
Provide options to fail without blocking or to block up to a timeout.
Provide options to specify the scope containing the lock so it can be
released automatically at the end of a function, file, or process.
Extend the RunCMake.file test with cases covering the file(LOCK) command
usage and error cases.
Add a VS_DEPLOYMENT_LOCATION source file property to specify where to
put files that are part of the package. For example:
set_property(SOURCE ${ASSET_FILES} PROPERTY VS_DEPLOYMENT_LOCATION "assets")
Without this, sources marked with VS_DEPLOYMENT_CONTENT cannot be
located properly.
Create properties VS_SHADER_ENTRYPOINT and VS_SHADER_MODEL. Without
these many .hlsl source files may not be possible to use. Extend the
VSWinStorePhone test project to cover them.
When _UNICODE is defined VS uses wmain instead of main as the entry function.
To make this correctly work on WindowsCE EntryPointSymbol needs to be set to
mainWCRTStartup instead of mainACRTStartup for console applications and to
wWinMainCRTStartup instead of WinMainCRTStartup for GUI applications.
Signed-off-by: Pascal Bach <pascal.bach@siemens.com>
When checking target types for TARGET_SUPPORTS_SHARED_LIBS == false,
enumerate exactly the library types not supported rather than trying to
maintain a list of all the types that are supported. Otherwise
add_library(SomeImportedLib UNKNOWN IMPORTED)
warns on platforms that do not support shared libraries.
Reported-by: Kelly Thompson <kgt@lanl.gov>
Since commit v3.1.0-rc1~821^2 (Windows: Use response files to specify
link libraries for GNU tools, 2014-03-04) we use a response file to pass
possibly long linker flag lists to the GNU linker on Windows. On MinGW,
this may cause gfortran to use a response file to pass some flags to its
own internal invocation. This is okay except when we are parsing
implicit link flags from the compiler ABI detection build. If gfortran
uses a response file in that case then we may miss extracting some of
the implicit link flags, such as -lgfortran. Fortunately, in the
compiler ABI detection case we do not actually link to anything so the
response file is empty. Work around this problem by simply not using a
response file when the list of flags it is used to pass is empty (or
just whitespace).
Reported-by: Bill Somerville <bill@classdesign.com>
8a75c7ef Help: Document the export limitation of INTERFACE_SOURCES.
e1348056 Export: Disallow export of targets with INTERFACE_SOURCES
bb5905bb cmTarget: Don't allow relative paths in INTERFACE_SOURCES
808c77e2 Merge branch 'revert-cached-regex-clear' into revert-cached-regex-clear-for-master
7d674b5f Revert "ClearMatches: Only clear matches which were actually set" (#15261)
This can be allowed in the next release, but it needs to have some
features present and tested such as
* Ensuring that relative paths do not appear in the generated property.
* Ensuring that paths to the source or build directories do not appear.
* Generating a check in the file for CMake 3.1 or later so that the
resulting property will be consumed.
* Ensuring that any referenced targets are part of an export set and
generating a check for them.
* INSTALL_INTERFACE and BUILD_INTERFACE content.
All of these checks are already done for INTERFACE_INCLUDE_DIRECTORIES,
but it is too late to add them for INTERFACE_SOURCES for CMake 3.1.
As the checks introduce some new error conditions, it is better to
disallow exporting fully for this case and introduce proper error
conditions later instead of policies.
Follow the pattern of checks that are made for INTERFACE_INCLUDE_DIRECTORIES.
Existence is already checked by cmSourceFile::GetFullPath. Add a check
to disallow relative paths in source directories. Otherwise code such as
target_sources(lib1 INTERFACE foo.cpp)
would fail if consumed by a target in a different directory.
Unlike the INTERFACE_INCLUDE_DIRECTORIES behavior, we don't care whether
the entry comes from an IMPORTED target or not. In the include directories
case, the directory for a non-imported target might not exist yet but
might be created. In the sources case, a file which does not yet
exist in the filesystem must be explicitly marked with the GENERATED
property.
Adjust existing tests and add a new test for the error.
Since commit v3.1.0-rc1~688^2~15 (cmTarget: Add a method to obtain list of
filenames for sources, 2014-03-17) we have code paths that lookup sources by
strings containing their own full path after normalization to the actual case
on disk. This fails in the case that a cmSourceFile has already been created
with a different case in the filename. The comparison of the directory works
because it is always normalized. Only the comparison of the file name fails.
Fix this by using a case-insensitive comparison of source file names on
platforms that do not have case-sensitive filesystems.
Extract a new method to encapsulate the requirements of evaluating
dependent-expressions, namely, propagation of the
EvaluateForBuildsystem setting, which is missing from the
getLinkedTargetsContent implementation.
Commit v3.1.0-rc1~688^2 (Genex: Only evaluate TARGET_OBJECTS to determine
target sources., 2014-03-20) introduced an error case for use of
TARGET_OBJECTS outside of the context of generating the buildsystem,
as the path to object files may be dependent on buildsystem
variables (See bug #15226).
Commit v3.1.0-rc1~314^2 (Allow INTERFACE_SOURCES to specify
$<TARGET_OBJECTS> (#14970), 2014-07-09) made it possible to
propagate such content to dependent targets.
While that commit propagated the EvaluateForBuildsystem setting
for the case of a TARGET_PROPERTY expression, as generated for
direct dependencies of a target in
cmTargetInternals::AddInterfaceEntries, it did not add propagation
for content from further transitive target dependencies, as determined
by getLinkedTargetsContent.
This reverts commit v3.1.0-rc1~557^2~2 (ClearMatches: Only clear matches
which were actually set, 2014-03-12). The optimization did not track
the match count in the same scope as the variables, allowing possible
inconsistency.
Resolve conflicts in Source/cmIfCommand.cxx, Source/cmMakefile.cxx,
and Source/cmMakefile.h by moving the changes to the new location
of the code involved.
It gets incremented while entering a loop block (e.g. foreach or while)
and gets decremented when leaving the block. Because scope borders for
example at function borders must be taken into account the counter is
put into a stack. With every new scope an empty counter is pushed on the
stack, when leaving the scope the original value is restored.
This will allow easy querying if the break command is properly nested
within a loop scope.
Signed-off-by: Gregor Jasny <gjasny@googlemail.com>
7a687292 ccmake: Cleanup and simplify conditional blocks for HP-UX
44f02b42 ccmake: Use standard getmaxyx instead of non-standard getmax[xy]
ee3d06a4 ccmake: Remove incomplete support for cur_colr on old HP-UX
This commit fixes a bug where it was impossible to specify
/INCREMENTAL to Fortran projects built with Visual Studio.
The problem was due to the fact that .vfproj files expect
the value of this flag to be "linkIncremental{No,Yes},
whereas .vcproj files expect this value to be 0, 1, or 2.
The implementation of this fix adds a new data structure for
Visual Studio linker flags specific to Fortran. This can
easily be extended in the future if more such discrepencies
between C/C++ and Fortran linking are discovered.
Re-run if the input file changes or if the output file is removed.
This only works with the Makefile generators currently. The limitation
of the Ninja generator is tracked as issue #15256. The IDE
generators will need larger refactoring as they currently rely on
being able to determine the depends and output files at the start of
generate-time, which is too early for the file(GENERATE) case.
67bd514a Ninja: Refactor restat to be a string internally
ef42e57d Ninja: Use a TARGET_FILE variable to hold the link output file
592644c4 Tests/BuildDepends: Drop unneeded help for Ninja
2d75d7e5 Help: Add notes for topic 'console-pool'
f42d86f0 Ninja: Implement USES_TERMINAL using the console pool if available
f281ae01 Ninja: Remove unused declaration
d5eae556 Ninja: factor out the test for console pool support
4d1fedf4 Give the interactive cache editor the USES_TERMINAL property
fe5d6e8c Add USES_TERMINAL option for custom commands
ad6ee426 Rename doing_verbatim to doing_nothing
A common idiom in CMake-based build systems is to have custom commands
that generate files not listed explicitly as outputs so that these
files do not have to be newer than the inputs. The file modification
times of such "byproducts" are updated only when their content changes.
Then other build rules can depend on the byproducts explicitly so that
their dependents rebuild when the content of the original byproducts
really does change.
This "undeclared byproduct" approach is necessary for Makefile, VS, and
Xcode build tools because if a byproduct were listed as an output of a
rule then the rule would always rerun when the input is newer than the
byproduct but the byproduct may never be updated.
Ninja solves this problem by offering a 'restat' feature to check
whether an output was really modified after running a rule and tracking
the fact that it is up to date separately from its timestamp. However,
Ninja also stats all dependencies up front and will only restat files
that are listed as outputs of rules with the 'restat' option enabled.
Therefore an undeclared byproduct that does not exist at the start of
the build will be considered missing and the build will fail even if
other dependencies would cause the byproduct to be available before its
dependents build.
CMake works around this limitation by adding 'phony' build rules for
custom command dependencies in the build tree that do not have any
explicit specification of what produces them. This is not optimal
because it prevents Ninja from reporting an error when an input to a
rule really is missing. A better approach is to allow projects to
explicitly specify the byproducts of their custom commands so that no
phony rules are needed for them. In order to work with the non-Ninja
generators, the byproducts must be known separately from the outputs.
Add a new "BYPRODUCTS" option to the add_custom_command and
add_custom_target commands to specify byproducts explicitly. Teach the
Ninja generator to specify byproducts as outputs of the custom commands.
In the case of POST_BUILD, PRE_LINK, and PRE_BUILD events on targets
that link, the byproducts must be specified as outputs of the link rule
that runs the commands. Activate 'restat' for such rules so that Ninja
knows it needs to check the byproducts, but not for link rules that have
no byproducts.
Use an explicit "$TARGET_FILE" variable instead of "$out" so that
we can have multiple output files while still only referencing the
main one in command lines.
Now that we know the year component of this VS version we
can add it to the generator name. For convenience, map
the name without the year to the name with the year.
Visual Studio 14 (2015) complains if a static character array is
declared with more than 65535 elements. This limit should be large
enough for SharedForward clients, so just hard-code that instead of
trying to compute a limit.
Teach the add_custom_command and add_custom_target commands a new
USES_TERMINAL option. Use it to tell the generator to give the command
direct access to the terminal if possible.
CMake requires both the Desktop SDK and the correct platform SDK
(Windows Phone or Windows Store) to be installed when targeting the
Windows mobile platforms. Verify that the right platform components are
installed and give a more detailed error message when something is
wrong.
string SUBSTRING command now ignores length if it points
past end of string and uses end of string instead.
String SUBSTRING tests now cover more corner cases.
1abd7cd9 Use containers of labeled search paths instead of individual members
2a9ac4bd Encapsulate search path manipulation functions into a seperate class.
32922840 Refactor and seperate search path construction for find commands
The special case added by commit v2.4.0~3051 (When building CMake
itself, use the new cmake to install so that the current cmake can be
overwritten, 2004-06-09) does not make sense when cross-compiling.
The evaluation files must be known before cmTargetTraceDependencies
attempts to find them, but we must actually generate the files after
cmTargetTraceDependencies, as that can add to target SOURCES. The
limitation is that the generated output name must not depend on the
SOURCES of a target if the generated file is used by that target.
Mark the output files as GENERATED so that trace dependencies does
not expect them to already exist in the filesystem.
Move the invokation of ForceLinkerLanguage in the Generate logic
to after the generated file names are known. ForceLinkerLanguage
tries to determine the sources of a target (in order to determine
an already-known language) and otherwise fails to get information
about the generated file.
Test that the output of file(GENERATE) can be used as a target source
file and that accessing the target SOURCES in the name of the output
file is an error. Accessing the TARGET_OBJECTS would be a similar
error if it was legal to use that generator expression in this
context. That is not currently possible and is a different error
condition, so test the current error output as a reminder to change
the expected output if that becomes possible in the future. Test
that generated rule files resulting from cmTargetTraceDependencies
appear in the SOURCES generated in the output file.