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.
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.
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.
ClearMatches was clearing many variables which were never set in the
first place. Instead, store how many matches were made last time and
only clear those. It is moved to the cmMakefile class since it is a
common utility used by multiple commands.
Use the clang RemoveCStrCalls tool to automatically migrate the
code. This was only run on linux, so does not have any positive or
negative effect on other platforms.
Add a string(CONCAT) command to simply concatenate input arguments
together. This will be useful for combining strings from different
quoting syntaxes. Add a RunCMake.string test covering these cases.
Each call to AddDefinition has overhead for variable watches and such.
Avoid extra calls when not needed.
This decreases the configure time for ParaView by 10 seconds on my
machine. Without the change about 1,000,000 set-to-empty calls were
being made. After the change it drops to about 100,000.
Clang points out that local variable 'seed' needs to be "unsigned int":
Source/cmStringCommand.cxx:828:21: warning: operands of ? are integers
of different signs: 'int' and 'unsigned int' [-Wsign-compare]
srand(force_seed? seed : cmSystemTools::RandomSeed());
^ ~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~
The naive time(0) seed is unique only within one second. Instead try to
read a real source of entropy and otherwise fall back to a combination
of the process id and high-resolution time.
This converts the CMake 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 CMake copyright to
cover the full development time range.
Stephen Kelly
Daniel Pfeifer
Ben Boeckel
Brad King
Domen Vrankar
Nils Gladitz
Bill Hoffman
David Cole
Nils Gladitz
Kitware Robot
Rolf Eike Beer
Tim Hütz
Ken Martin
Alexander Neundorf
Andy Cedilnik