Historically CMake has always expanded ${} variable references in the
values given to include_directories(), link_directories(), and
link_libraries(). This has been unnecessary since general ${}
evaluation syntax was added to the language a LONG time ago, but has
remained for compatibility with VERY early CMake versions.
For a long time the re-expansion was a lightweight operation because it
was only processed once at the directory level and the fast-path of
cmMakefile::ExpandVariablesInString was usually taken because values did
not have any '$' in them. Then commit d899eb71 (Call
ExpandVariablesInString for each target's INCLUDE_DIRECTORIES,
2012-02-22) made the operation a bit heavier because the expansion is
now needed on a per-target basis. In the future we will support
generator expressions in INCLUDE_DIRECTORIES with $<> syntax, so the
fast-path in cmMakefile::ExpandVariablesInString will no longer be taken
and re-expansion will be very expensive.
Add policy CMP0019 to skip the re-expansion altogether in NEW behavior.
In OLD behavior perform the expansion but improve the fast-path
heuristic to match ${} but not $<>. If the policy is not set then warn
if expansion actually does anything. We expect this to be encountered
very rarely in practice.
a41d3a4 ExternalProjectUpdateTest: Only support Git 1.6.5 and greater.
de760c1 ExternalProject: Verify when a fetch occurs during update test.
0a34433 ExternalProject: Make sure the ExternalProjectUpdate setup is available.
9b66c8f ExternalProject: Always do a git fetch for a remote ref.
2619f4d ExternalProject: Add tests for UPDATE_COMMAND.
378aa12 ExternalProject: Do smoke tests for Git Tutorial builds.
d075829 ExternalProject: Only run 'git fetch' when required.
The performance feature of only performing a git fetch when needed
during the ExternalProject update step is verified during the test.
A fetch is identified by removing the FETCH_HEAD file and checking for
its reincarnation.
This prepares the numberous tests that occur in the ExternalProjectUpdate
test. The tests were passing previously because a fresh build was not performed.
Tests are added for UPDATE_COMMAND to ensure it is working properly. Testing
infrastructure is added along with tests for Git, but tests for other version
control systems could easily be added in the future.
Build a shared library and an executable linking to it inside the inner
test. Set LINK_DEPENDS_NO_SHARED on the executable. Add a custom
target to compare the output file times. Verify that on the first build
the executable is newer than the library. Then modify a library source
file. Verify that on the second build the library is newer because the
executable did not have a dependency to re-link.
This command works only when building projects using the same
architecture as the running CMake binary. Since it was introduced
CMake has learned macro() and function() to add commands, and the
execute_process() command to launch advanced external computations.
Add a RunCMake.load_command test to verify the warning appears.
828d4f5 Add several get_property() tests
82106e3 GetProperty test: move doc property tests into main process
56125a3 list: add tests for CMP0007 behavior
48ed48f Add test to secure the file(GLOB empty) behavior.
c2a6cb6 file: remove dead code
07251a8 Consolidate list() argument count testing
1b078c3 Add tests for list() invalid arguments
f560977 Add tests for list() argument count
d211e5d CMakeTests: allow to call the check_cmake_test macro with a given file
The code handling IMPLICIT_DEPENDS was only able to track a single file,
the latest file replaced earlier files in the list.
The documentation now mentions that the language has to be prefixed to
every file and the test now uses two implicit dependencies, where only
the second is modified to trigger re-running of the custom command.
Alex
Inspired-by: Michael Wild <themiwi@users.sourceforge.net>
The file command requires at least two arguments, so guarding the GLOB and
MAKE_DIRECTORY command is not necessary. Changed it for an assert to keep the
protection.
66759ee find_library: Optionally consider all names in each directory
9cb68b1 find_library: Generalize helper macro in test case
b64dd76 find_library: Simplify framework search logic
531c71b find_library: Refactor internal name iteration
For things where we may have 2 major versions of the same software
installed in parallel (think of Qt and Python) make sure our version
selection gets this right.
e386992 GexEx: Validate Target names and property names differently.
95d590d GenEx: Create cmGeneratorTargets for imported targets.
0442104 GenEx: Add an accessor for imported targets in a makefile.
It should be possible for example to do this:
"$<AND:${FOO},$<BOOL:${TGT}>,$<BOOL:$<TARGET_PROPERTY:${TGT},PROP>"
such that it works simliarly to the C code:
if (foo && tgt && tgt->prop())
{
}
The example of generator expression code is a little bit contrived as
it could be written other ways with the same functionality. Nevertheless,
as these cases already work and are intentional, test for them.
79edd00 GenEx: Fix reporting about not-found include directories and libraries.
f7ef32b GenEx: Replace some failing tests with Borland and NMake makefiles.
fd59b10 GenEx: Add some more asserts to verify code-sanity.
6dd2b36 GenEx: Break if there are no more commas in the container
e7230c7 GenEx: Fix termination bugs in generator expression parser.
145a4af GenEx: Test the use of generator expressions to generate lists.
e2d141d GenEx: Parse colon after arguments separator colon specially.
995a35f CTest: add a check with a quoted memory checker
de8bffc CTest: add a test for CTEST_CUSTOM_MEMCHECK_IGNORE
d26c9b6 CTest: improve memory checker type detection
fcae1da CTest: add tests that simulate memcheck runs
6187876 CTest: fix pre and post test commands with spaces
95bc8aa CTest: fix usage of memory checker with spaces in path
This fixes a regression introduced in commit 290e92ad (Move
GetIncludeDirectories to cmGeneratorTarget, 2012-09-16) which loops over
cmGeneratorTargets before they get created, so the container is empty.
Brad King
Stephen Kelly
David Cole
Petr Kmoch
Matt McCormick
Alex Neundorf
Rolf Eike Beer
Amine Chadly