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http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=a06bd9fdc9c2ac5a921f6836454fc13c7523d060
commit a06bd9fdc9c2ac5a921f6836454fc13c7523d060
Merge: 5367c0e f3e9eee
Author: Brad King <[email protected]>
AuthorDate: Tue Feb 10 10:35:25 2015 -0500
Commit: CMake Topic Stage <[email protected]>
CommitDate: Tue Feb 10 10:35:25 2015 -0500
Merge topic 'try_compile-shorter-names' into next
f3e9eeed try_compile: Use shorter test executable name with consistent
length
http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=f3e9eeedf43f783c02b2a2a10fc0e632eaf7cfd0
commit f3e9eeedf43f783c02b2a2a10fc0e632eaf7cfd0
Author: Brad King <[email protected]>
AuthorDate: Tue Feb 10 10:21:55 2015 -0500
Commit: Brad King <[email protected]>
CommitDate: Tue Feb 10 10:28:41 2015 -0500
try_compile: Use shorter test executable name with consistent length
Since commit v2.8.8~176^2 (try_compile: Use random executable file name,
2012-02-13) the length of the test executable name in generated
try_compile projects has been longer and unpredictable. With Visual
Studio on windows, the tools try to create paths like:
CMakeFiles/CMakeTmp/$tgt.dir/Debug/$tgt.tlog/$tgt.lastbuildstate
With the target name repeated up to 3 times, we must make it short and
of consistent length to avoid overrunning the 260 character limit
imposed by VS tools.
diff --git a/Source/cmCoreTryCompile.cxx b/Source/cmCoreTryCompile.cxx
index c414553..d9369e6 100644
--- a/Source/cmCoreTryCompile.cxx
+++ b/Source/cmCoreTryCompile.cxx
@@ -383,8 +383,8 @@ int
cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv)
/* Use a random file name to avoid rapid creation and deletion
of the same executable name (some filesystems fail on that). */
- sprintf(targetNameBuf, "cmTryCompileExec%u",
- cmSystemTools::RandomSeed());
+ sprintf(targetNameBuf, "cmTC_%05x",
+ cmSystemTools::RandomSeed() & 0xFFFFF);
targetName = targetNameBuf;
if (!targets.empty())
-----------------------------------------------------------------------
Summary of changes:
Source/cmCoreTryCompile.cxx | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
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