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ENH: fix for 1450

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This commit is contained in:
Bill Hoffman 2005-02-09 23:00:16 -05:00
parent aa947ff48b
commit b7b501bbe8
3 changed files with 24 additions and 9 deletions
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3
Modules/TestBigEndian.cmake
View File

@ -10,6 +10,9 @@ MACRO(TEST_BIG_ENDIAN VARIABLE)
${CMAKE_BINARY_DIR}
${CMAKE_ROOT}/Modules/TestBigEndian.c
OUTPUT_VARIABLE OUTPUT)
IF(${VARIABLE} STREQUAL "FAILED_TO_RUN")
MESSAGE(SEND_ERROR "TestBigEndian Failed to run with output: ${OUTPUT}")
ENDIF(${VARIABLE} STREQUAL "FAILED_TO_RUN")
MESSAGE(STATUS "Check if the system is big endian")
IF(HAVE_${VARIABLE})
FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeError.log

25
Source/cmTryRunCommand.cxx
View File

@ -61,7 +61,7 @@ bool cmTryRunCommand::InitialPass(std::vector<std::string> const& argv)
if ( argv.size() <= (i+1) )
{
cmSystemTools::Error(
"OUTPUT_VARIABLE specified but there is no variable");
"OUTPUT_VARIABLE specified but there is no variable");
return false;
}
outputVariable = argv[i+1];
@ -75,7 +75,7 @@ bool cmTryRunCommand::InitialPass(std::vector<std::string> const& argv)
std::string binaryDirectory = argv[2] + "/CMakeTmp";
if (!res)
{
int retVal;
int retVal = -1;
std::string output;
std::string command;
command = binaryDirectory;
@ -110,25 +110,34 @@ bool cmTryRunCommand::InitialPass(std::vector<std::string> const& argv)
finalCommand += runArgs;
}
int timeout = 0;
cmSystemTools::RunSingleCommand(finalCommand.c_str(), &output, &retVal,
0, false, timeout);
bool worked = cmSystemTools::RunSingleCommand(finalCommand.c_str(),
&output, &retVal,
0, false, timeout);
if(outputVariable.size())
{
// if the TryCompileCore saved output in this outputVariable then
// prepend that output to this output
const char* compileOutput = m_Makefile->GetDefinition(outputVariable.c_str());
const char* compileOutput
= m_Makefile->GetDefinition(outputVariable.c_str());
if(compileOutput)
{
output = std::string(compileOutput) + output;
}
m_Makefile->AddDefinition(outputVariable.c_str(), output.c_str());
}
// set the run var
char retChar[1000];
sprintf(retChar,"%i",retVal);
if(worked)
{
sprintf(retChar,"%i",retVal);
}
else
{
strcpy(retChar, "FAILED_TO_RUN");
}
m_Makefile->AddCacheDefinition(argv[0].c_str(), retChar,
"Result of TRY_RUN", cmCacheManager::INTERNAL);
"Result of TRY_RUN",
cmCacheManager::INTERNAL);
}
}

5
Source/cmTryRunCommand.h
View File

@ -66,7 +66,10 @@ public:
" <ARGUMENTS <arg1> <arg2>...>)\n"
"Try compiling a srcfile. Return the success or failure in "
"COMPILE_RESULT_VAR. Then if the compile succeeded, run the "
"executable and return the result in RUN_RESULT_VAR.";
"executable and return the result in RUN_RESULT_VAR."
"If the executable was built, but failed for to run for some "
"reason, then RUN_RESULT_VAR will be set to FAILED_TO_RUN, and "
"the output will be in the COMPILE_RESULT_VAR.";
}
cmTypeMacro(cmTryRunCommand, cmCommand);