Re-implement the test using simpler approach. Enable it only when doing
an out-of-source build with a `.git` source. Run it last, serially.
Re-use the `git` tool found for version computation. Print the output
from `git status` without modification. Rely on `.gitignore` instead
of filtering out paths ourselves.
With flags like `-static-libstdc++` or `-static-libgfortran`, the GNU
compiler driver adds `-Bstatic ... -Bdynamic` around its language
runtime library. Convert the libraries in between these to absolute
paths so that mixed-language linking honors the static runtime
libraries.
DNS lookup of an invalid host name fails with a different error in a proxy
environment than it does in an environment without proxy. Many tools,
including curl, use the `no_proxy` environment variable to provid a list
of hosts for which proxy should not be used.
To make lookup failure consistent, add invalid host names to the
`no_proxy` environment variable in tests that attempt to look up invalid
host names. This way the lookup will fail consistently regardless of
whether proxy is generally used or not.
Signed-off-by: william.r.dieter <william.r.dieter@intel.com>
Since 3.19, CMake generates a deprecation warning when using a minimum
version less than 2.8.12. This eliminates those warnings generated
during tests, which are typically hidden from the user and developer but
are being generated nonetheless.
Use a well-defined `.invalid` top-level domain instead of assuming there
is no `.png` top-level domain. Extend the timeout of this one case to
30 seconds to give DNS lookups a chance to fail instead of timing out.
Because the PASS_REGULAR_EXPRESSION test property is set,
the exit code of the test is ignored, so we can't just rely on using
message(SEND_ERROR) or the command itself failing. We have to
add an explicit error message for all unexpected status codes
and check for such messages with a FAIL_REGULAR_EXPRESSION.
We do not actually need to contact any real http servers.
The one attempt we make is to an intentionally bad domain name.
Unset any proxy configuration that may change behavior.
On a busy machine running many tests in parallel the `file(DOWNLOAD)`
step can take longer than 2 seconds even to simply copy a file.
Raise the timeout to 4 seconds to reduce spurious failures.
For in-source builds we must tolerate non-tracked files in the
source tree. Previously we only tolerated them for dashboard
builds during automated testing, but we should tolerate them for
local user builds too.
Fixes: #17868
Extend the fix in commit v3.9.6~1^2 (Restore exclusion of "gcc_eh" from
implicit link libraries, 2017-11-07) to also exclude `gcc_eh` libraries
referenced by absolute path to the library file.
Issue: #17436
The test was expecting timestamps on day 1 in 1970 to start at 86400 but
they actually started at 0. This worked without `SOURCE_DATE_EPOCH=1`
because after 1972, leap days compensated the offset.
Fixes: #17762
Since commit v3.9.0-rc1~148^2 (Do not assume GCC libs are linked by all
compilers, 2017-05-05) we no longer filter out all `gcc*` implicit link
libraries. This allows mixing of gcc and non-gcc compilers across
languages. However, this caused a subtle problem with how GCC makes
exception handling symbols available to linked binaries.
GCC (at least on MinGW) provides two different libraries with exception
handling symbols:
* gcc_s: A shared library with -fvisibility=default, used by -shared-libgcc.
* gcc_eh: A static library with -fvisibility=hidden, used by -static-libgcc.
The C compiler (on MinGW) defaults to -static-libgcc and uses gcc_eh.
The C++ compiler defaults to -shared-libgcc and uses gcc_s when linking
shared libraries and executables so that exceptions can propagate across
shared libraries [1]. When linking a mixed-language binary, the C++
compiler should be used along with its choice of gcc_s. In this case
gcc_eh should not be added even though the C compiler implies it because
gcc_s supersedes it.
Since the above-mentioned change, CMake is adding gcc_eh to C++ link
lines that also contain C code on MinGW. This causes both gcc_s and
gcc_eh to be used, which is incorrect. We can fix this simply by
excluding gcc_eh from the C compiler's implicit link libraries.
[1] https://gcc.gnu.org/onlinedocs/gcc-7.2.0/gcc/Link-Options.html#Link-OptionsFixes: #17436
This option was added by commit v2.8.12~138^2 (Add
cmake_reset_check_state() macro, 2013-07-28) but has never worked.
Fix the implementation to refer to macro arguments properly (not as
normal variables).
Fixes: #17048
Since PGI does not write linker directives into objects, the necessary
libraries have to be parsed from commandline. PGI does however link the
Visual C++ runtime libraries, so they have to be filtered out to ensure
no collision with settings of other languages can occur.
The `ld` tool in Xcode 8.3 now has a `-lto_library <path>` flag. Ignore
the flag instead of accidentally parsing it as `-l` with `to_library`.
Fixes: #16766
Since commit v2.8.11~239^2~1 (ProcessorCount test: fix path to
cmsysTestsCxx executable, 2013-01-24) we accidentally printed a literal
`${CTEST_CONFIGURATION_TYPE}` instead of the actual build configuration.
Update the message to use a generator expression to get the real build
configuration used.
Since upstream curl commit curl-7_52_0~131 (URL-parser: for
file://[host]/ URLs, the [host] must be localhost, 2016-11-11) we can no
longer use URLs of the form `file://c:/...` on Windows. These worked
only accidentally before. Use `file:///c:/...` instead.
Clang may raise an error when passed a `-march=` option that doesn't
correspond to the current target triple. CMake cannot pass the target
triple when determining the compiler id because it doesn't know how yet,
but it does pass along user-specified flags. This breaks when those
user-specified flags include `-march=`. Fix this use case by also
trying to find the compiler id without the user-specified flags.
Fixes: #16587
Fix tests to account for commit 243aed52 (cmTimestamp: Support
SOURCE_DATE_EPOCH to override current time, 2017-01-25).
In openSUSE we are running the test-suite as part of the build and that
failed in these two places when building everything with
`SOURCE_DATE_EPOCH` set.
