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Rename the variable added by commit 9ce1b9ef (Add
CMAKE_BUILD_INTERFACE_INCLUDES build-variable, 2012-11-25) to
CMAKE_INCLUDE_CURRENT_DIR_IN_INTERFACE to be more consistent with the
existing CMAKE_INCLUDE_CURRENT_DIR variable.
Suggested-by: Alex Neundorf <neundorf@kde.org>
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1bdd167 Restore support for target names with '+' (#13986)
254687d Only process transitive interface properties for valid target names.
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Extend the range of valid target names with the + sign. This character
can commonly be used for target names, such as those containing 'c++'.
Add a test but skip it for Borland and Watcom tools which do not support
the character.
Suggested-By: Benjamin Kloster
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This reverts commit 2bee6f5ba5b3f33817cc00e056a7df60d05c9399.
This expression is not used, and has a semantic which is not completely
optimal (namely considering utility targets to be targets, though
usually we are interested in linkable targets).
Remove it so that we have more freedom to define better expressions in
the future.
Conflicts:
Source/cmGeneratorExpressionEvaluator.cxx
Tests/CMakeCommands/target_compile_definitions/CMakeLists.txt
Tests/CMakeCommands/target_compile_definitions/consumer.cpp
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Update the unit test introduced in commit 57175d55 (Only use early
evaluation termination for transitive properties., 2013-02-07) to
not use the expression, but still test the appropriate code.
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Change the unit test introduced in commit 24dcf0c0 (Make sure
generator expressions can be used with target_include_directories.,
2013-01-16) to not use the expression, but still test the appropriate
code.
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This reverts commit 0b92602b816e2584db3781b120a1e5200da72ada.
Conflicts:
Source/cmGeneratorExpressionEvaluator.cxx
Tests/CMakeCommands/target_compile_definitions/CMakeLists.txt
Tests/CMakeCommands/target_include_directories/CMakeLists.txt
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We need to make sure expressions which evaluate TARGET_PROPERTY:TYPE
multiple times for example get the correct result each time, and
not an empty string instead.
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This establishes that linking is used to propagate usage-requirements
between targets in CMake code. The use of the target_link_libraries
command as the API for this is chosen because introducing a new command
would introduce confusion due to multiple commands which differ only in
a subtle way.
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This is both a short form of using a TARGET_DEFINED expression
together with a TARGET_PROPERTY definition, and a way to strip
non-target content from interface properties when exporting.
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This way we can add handling of relative/absolute paths and of
-D in compile definitions.
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b98d14d Disallow porcelain to populate includes and defines of IMPORTED targets.
48a4cf2 Revert "Allow target_link_libraries with IMPORTED targets."
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With similar reasoning to the parent commit, as downstreams, we can't
determine what $<CONFIG> generator expressions would be appropriate.
Upstream would have populated the INTERFACE_INCLUDE_DIRECTORIES with
config-specific generator expressions, possibly appropriate for
their DEBUG_CONFIGURATIONS. In theory, if we would add include
directories for a DEBUG intent, we would have to match the upstream
configurations for that.
Rather than attempting to discover the appropriate configurations
at this time, simplify the feature instead. The use of IMPORTED targets
with these commands could still be added in the future if targets
would export their DEBUG_CONFIGURATIONS somehow.
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This reverts commit 9cfe4f1b769597bd9ba179eba46572a9df27f64c.
It turns out that correctly adding the content to
the IMPORTED_LINK_INTERFACE_LIBARIES_<CONFIG> of an upstream target
from the buildsystem of a downstream project is not simple.
If upstream had added the INTERFACE content, the config-specific
properties would be determined by the DEBUG_CONFIGURATIONS of
upstream.
As downstream, we don't have any information about what
the DEBUG_CONFIGURATIONS of upstream were, so we can't determine
which configuration-specific properties to populate. The best we can do
is add it to all of them or add it to the ones downstream considers to
be DEBUG_CONFIGURATIONS, neither of which is a good solution.
So, removing the porcelain API for that is the best approach. A human
can still determine which properties to populate and use
the set_property API to populate the desired properies.
Another solution to this would be for upstream targets to publish
what they consider DEBUG_CONFIGURATIONS, but that can be added in
a future release.
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Handle the case that a generator expression is used before treating
a non-target as an error.
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This tests whether the parameter is a usable target.
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The Config and IMPORTED_ variants may also contain generator
expressions.
If 'the implementation is the interface', then the result of
evaluating the expressions at generate time is used to populate
the IMPORTED_LINK_INTERFACE_LIBRARIES property.
1) In the case of non-static libraries, this is fine because the
user still has the option to populate the LINK_INTERFACE_LIBRARIES
with generator expressions if that is what is wanted.
2) In the case of static libraries, this prevents a footgun,
enforcing that the interface and the implementation are really
the same.
Otherwise, the LINK_LIBRARIES could contain a generator
expression which is evaluated with a different context at build
time, and when used as an imported target. That would mean that the
result of evaluating the INTERFACE_LINK_LIBRARIES property for
a static library would not necessarily be the 'link implementation'.
For example:
add_library(libone STATIC libone.cpp)
add_library(libtwo STATIC libtwo.cpp)
add_library(libthree STATIC libthree.cpp)
target_link_libraries(libtwo
$<$<STREQUAL:$<TARGET_PROPERTY:TYPE>,STATIC_LIBRARY>:libone>)
target_link_libraries(libthree libtwo)
If the LINK_LIBRARIES content was simply copied to the
IMPORTED_LINK_INTERFACE_LIBRARIES, then libthree links to libone, but
executables linking to libthree will not link to libone.
3) As the 'implementation is the interface' concept is to be
deprecated in the future anyway, this should be fine.
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fc61a7a Add the target_compile_definitions command.
8a37ebe Add the target_include_directories command.
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This is a convenience API to populate the corresponding properties.
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This is a convenience API to populate the corresponding properties.
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9cfe4f1 Allow target_link_libraries with IMPORTED targets.
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This makes it possible to use:
target_link_libraries(foo LINK_INTERFACE_LIBRARIES bar)
where foo is an IMPORTED target. Other tll() signatures are not
allowed.
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7653862 Add LINK_LIBRARIES property for direct target link dependencies
40cf3fb Make linking APIs aware of 'head' target
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Previously we kept direct link dependencies in OriginalLinkLibraries.
The property exposes the information in the CMake language through the
get/set_property commands. We preserve the OriginalLinkLibraries value
internally to support old APIs like that for CMP0003's OLD behavior, but
the property is now authoritative. This follows up from commit d5cf644a
(Split link information processing into two steps, 2012-11-01).
This will be used later to populate the link interface properties when
exporting targets, and will later allow use of generator expressions
when linking to libraries with target_link_libraries.
Also make targets depend on the (config-specific) union of dependencies.
CMake now allows linking to dependencies or not depending on the config.
However, generated build systems are not all capable of processing
config-specific dependencies, so the targets depend on the union of
dependencies for all configs.
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This makes
set(CMAKE_BUILD_INTERFACE_INCLUDES ON)
add the equivalent of
set_property(TARGET tgt APPEND PROPERTY
INTERFACE_INCLUDE_DIRECTORIES
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR};${CMAKE_CURRENT_BINARY_DIR}>
)
to every target.
If the headers are in CMAKE_CURRENT_SOURCE_DIR, and the generated headers
are in CMAKE_CURRENT_BINARY_DIR, this is a convenient way to build a target
bar, which depends on foo, just by using target_link_libraries() and adding
the INTERFACE_INCLUDE_DIRECTORIES to the INCLUDE_DIRECTORIES of the target
being linked. There will be more-convenient porcelain API to consume the
property in the future.
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b6346f2 Tests: Fix warning about unused variable
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Resolve this warning:
".../Tests/CMakeCommands/target_link_libraries/depB.cpp", line 8: warning:
variable "a" was declared but never referenced
DepA a;
^
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The CMakeCommands.build_command test performs output/error checking
so move it over to RunCMake to re-use the generalized infrastrucure.
This is the only test left using Tests/CMakeCommands/CMakeLists.txt
so remove it.
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Verify that the command produces a FATAL_ERROR if and only if the
missing package is REQUIRED.
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Add a "CMakeCommands.find_package" test to run CMake on a bunch of cases
in which find_package fails. Check that the process return code and
warning/error messages are as expected. Record expected test output in
corresponding files for reference by the check. These files will also
serve as a reference for the message text in each case.
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Generalize the build_command test framework as a macro to add the
test. Process the CMakeCommands subdirectory explicitly.
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Makes it possible to specify the link dependencies and link
interfaces in one command without repetition.
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running -D dashboards from the command line and running ctest_configure, ctest_build and ctest_test commands in -S scripts. Also, allow a script to change it by setting the CTEST_CONFIGURATION_TYPE variable: allows for multiple configuration build/test cycles within one script. Add a new signature for the cmake command build_command that accepts CONFIGURATION as one argument. The original build_command signature is still there, but now marked as deprecated in the documentation. Of course... also add CTestConfig tests to verify that -C is honored for -D dashboards and -S scripts.
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