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cmGlobalNinjaGenerator: Clarify logic for forcing use of response files 

Update the WriteBuild method to use a negative command line length limit
to specify that we should force use of response files.
This commit is contained in:
Dmitry Ivanov 2016-04-06 12:55:15 +02:00 committed by Brad King
parent 24c9106b7b
commit f9644a2d1b
3 changed files with 6 additions and 5 deletions
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7
Source/cmGlobalNinjaGenerator.cxx
View File

@ -230,9 +230,10 @@ void cmGlobalNinjaGenerator::WriteBuild(std::ostream& os,
std::string assignments = variable_assignments.str();
const std::string& args = arguments;
bool useResponseFile = false;
if (cmdLineLimit > 0
&& args.size() + buildstr.size() + assignments.size()
> (size_t) cmdLineLimit) {
if (cmdLineLimit < 0 ||
(cmdLineLimit > 0 &&
(args.size() + buildstr.size() + assignments.size())
> static_cast<size_t>(cmdLineLimit))) {
variable_assignments.str(std::string());
cmGlobalNinjaGenerator::WriteVariable(variable_assignments,
"RSP_FILE", rspfile, "", 1);

2
Source/cmGlobalNinjaGenerator.h
View File

@ -94,7 +94,7 @@ public:
const cmNinjaDeps& orderOnlyDeps,
const cmNinjaVars& variables,
const std::string& rspfile = std::string(),
int cmdLineLimit = -1,
int cmdLineLimit = 0,
bool* usedResponseFile = 0);
/**

2
Source/cmNinjaNormalTargetGenerator.cxx
View File

@ -697,7 +697,7 @@ void cmNinjaNormalTargetGenerator::WriteLinkStatement()
cmGlobalNinjaGenerator& globalGen = *this->GetGlobalGenerator();
int commandLineLengthLimit = 1;
int commandLineLengthLimit = -1;
if (!this->ForceResponseFile())
{
commandLineLengthLimit = calculateCommandLineLengthLimit(