Sean McBride authored 12 years ago and Brad King committed 12 years ago

Mostly add 'static' to private functions/globals.

Change-Id: Ic7fa75bcc0f245e7b4f8d554db4f58ac0c585e2a

Change-Id: I881521d84a31b6b1c68930f94acbcea88b5c1dea

Sean McBride authored 12 years ago and Brad King committed 12 years ago

Some compilers, notably Clang, will warn at compile time (or
runtime with debug flags) if they detect a null dereference.
Try to outsmart them by dereferencing an address a little
larger than NULL.

Change-Id: I53c6512f814ad3e8977c076904f0415e8aaaaea5

Clang is smart enough to recognize that "*(int*)0=0" invokes undefined
behavior, warns, and produces an "undefined instruction".  The message
in commit "Avoid Clang optimizer bug in testProcess-[45]" (2010-07-02)
is incorrect; this is not a Clang bug.  It really is undefined
behavior.  Use "*(int*)1=0" to produce a crash instead.

Clang's optimizer, as of clang version 2.8 (trunk 107463), produces the
undefined instruction 'ud2' for the code "*(int*)0=0" on OS X x86_64.
It causes our crash tests to fail because the child process exits with
an invalid instruction instead of a segmentation fault.  Work around the
bug by using "*(int*)1=0" in this case.

Fix warnings in CMake source code. Suppress warnings in Lexer and Parser files that are 'too hard' to fix.

This converts the KWSys license to a pure 3-clause OSI-approved BSD
License.  We drop the previous license clause requiring modified
versions to be plainly marked.  We also update the KWSys copyright to
cover the full development time range.

The test is supposed to terminate quickly when its child crashes, but
that seems to take over 10s on busy systems.  This extends the test's
timeout to 30s to help it pass when running on a busy system.

ENH: Changes based on patch from Ryan C. Gordon to enable process execution on BeOS.  There seems to be no way to implement it without polling (or threads).

ENH: Extended test 0 to run the executable twice using the same process object.  This tests the reusability of the objects.

BUG: Use sleep(1) instead of usleep(1000000) because some UNIX systems specify that the argument to usleep must be less than 1000000.

ENH: Disabling test 6 on QNX until process killing can be resolved.  It will just fail always for now.

BUG: Extending timeout of test 6 from 0.1 seconds to 3 seconds.  This should avoid missed signals and intermittent failures.

BUG: Drastically extending test5's timeouts to get it to pass when running on a heavily-loaded machine.

BUG: Expanded difference in timeouts between tests 4 and 5 so that 5 does not timeout while waiting for 4 to timeout.  This should fix the intermittent failure of test 5 on cygwin.  ENH: When a mismatch is reported it now reports what it was as well as what it should have been.

COMP: Removing return value from test6.  It is an infinite loop, so the return causes warnings.  It will never return anyway.

COMP: Adding work-around for CMake dependency scanning limitation.  Any configured header included by KWSYS_HEADER() in a .c or .cxx file in kwsys itself must use this hack to get dependencies.

ENH: Do kwsys testing as part of cmake testing, command line arguments are not experimental and add simple test for systemtools