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BUG: Include less content as input to "rule hash" computation. 

- The rule hash should use only commands specified by the user.
  - No make output (echo and progress) rules should be included.
  - No outputs or dependencies need be included.  The native build tool
    will take care of them.
This commit is contained in:
Brad King 2008-06-03 09:55:28 -04:00
parent 4d5116c8a2
commit e79b73d61f
3 changed files with 12 additions and 21 deletions
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21
Source/cmGlobalGenerator.cxx
View File

@ -1943,8 +1943,8 @@ cmGlobalGenerator::GetDirectoryContent(std::string const& dir, bool needDisk)
//----------------------------------------------------------------------------
void
cmGlobalGenerator::AddRuleHash(const std::vector<std::string>& outputs,
const std::vector<std::string>& depends,
const std::vector<std::string>& commands)
std::vector<std::string>::const_iterator first,
std::vector<std::string>::const_iterator last)
{
#if defined(CMAKE_BUILD_WITH_CMAKE)
// Ignore if there are no outputs.
@ -1960,22 +1960,7 @@ cmGlobalGenerator::AddRuleHash(const std::vector<std::string>& outputs,
int length;
cmsysMD5* sum = cmsysMD5_New();
cmsysMD5_Initialize(sum);
for(std::vector<std::string>::const_iterator i = outputs.begin();
i != outputs.end(); ++i)
{
data = reinterpret_cast<unsigned char const*>(i->c_str());
length = static_cast<int>(i->length());
cmsysMD5_Append(sum, data, length);
}
for(std::vector<std::string>::const_iterator i = depends.begin();
i != depends.end(); ++i)
{
data = reinterpret_cast<unsigned char const*>(i->c_str());
length = static_cast<int>(i->length());
cmsysMD5_Append(sum, data, length);
}
for(std::vector<std::string>::const_iterator i = commands.begin();
i != commands.end(); ++i)
for(std::vector<std::string>::const_iterator i = first; i != last; ++i)
{
data = reinterpret_cast<unsigned char const*>(i->c_str());
length = static_cast<int>(i->length());

4
Source/cmGlobalGenerator.h
View File

@ -246,8 +246,8 @@ public:
void GetFilesReplacedDuringGenerate(std::vector<std::string>& filenames);
void AddRuleHash(const std::vector<std::string>& outputs,
const std::vector<std::string>& depends,
const std::vector<std::string>& commands);
std::vector<std::string>::const_iterator first,
std::vector<std::string>::const_iterator last);
protected:
// for a project collect all its targets by following depend

8
Source/cmMakefileTargetGenerator.cxx
View File

@ -1116,6 +1116,10 @@ void cmMakefileTargetGenerator
->AppendEcho(commands, comment.c_str(),
cmLocalUnixMakefileGenerator3::EchoGenerate);
}
// Below we need to skip over the echo and progress commands.
unsigned int skip = static_cast<unsigned int>(commands.size());
// Now append the actual user-specified commands.
this->LocalGenerator->AppendCustomCommand(commands, cc);
// Collect the dependencies.
@ -1144,7 +1148,9 @@ void cmMakefileTargetGenerator
// If the rule has changed make sure the output is rebuilt.
if(!symbolic)
{
this->GlobalGenerator->AddRuleHash(cc.GetOutputs(), depends, commands);
this->GlobalGenerator->AddRuleHash(cc.GetOutputs(),
commands.begin()+skip,
commands.end());
}
}