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ENH: Patch from Alex to provide nicer syntax for FILE_IS_NEWER. Using name IS_NEWER_THAN so old syntax will continue to work.

This commit is contained in:
Brad King 2006-10-23 13:37:24 -04:00
parent 0c52510f21
commit d1a9c93119
3 changed files with 27 additions and 0 deletions
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23
Source/cmIfCommand.cxx
View File

@ -493,6 +493,29 @@ bool cmIfCommand::IsTrue(const std::vector<std::string> &args,
reducible = 1;
}
// is file A newer than file B
if (argP1 != newArgs.end() && argP2 != newArgs.end() &&
*(argP1) == "IS_NEWER_THAN")
{
int fileIsNewer=0;
bool success=cmSystemTools::FileTimeCompare(arg->c_str(),
(argP2)->c_str(),
&fileIsNewer);
if(success==false || fileIsNewer==1 || fileIsNewer==0)
{
*arg = "1";
}
else
{
*arg = "0";
}
newArgs.erase(argP2);
newArgs.erase(argP1);
argP1 = arg;
IncrementArguments(newArgs,argP1,argP2);
reducible = 1;
}
++arg;
}
}

1
Source/cmIfCommand.h
View File

@ -130,6 +130,7 @@ public:
"True if the named file or directory exists. "
"Behavior is well-defined only for full paths.\n"
" IF(FILE_IS_NEWER file1 file2)\n"
" IF(file1 IS_NEWER_THAN file2)\n"
"True if file1 is newer than file2 or if one of the two files "
"doesn't exist. "
"Behavior is well-defined only for full paths.\n"

3
Tests/StringFileTest/CMakeLists.txt
View File

@ -79,6 +79,9 @@ ENDFOREACH(var)
IF(NOT FILE_IS_NEWER "${file}" "${CMAKE_CURRENT_SOURCE_DIR}/InputFile.h.in")
MESSAGE(FATAL_ERROR "IF(FILE_IS_NEWER) does not seem to work.")
ENDIF(NOT FILE_IS_NEWER "${file}" "${CMAKE_CURRENT_SOURCE_DIR}/InputFile.h.in")
IF(NOT "${file}" IS_NEWER_THAN "${CMAKE_CURRENT_SOURCE_DIR}/InputFile.h.in")
MESSAGE(FATAL_ERROR "IF(FILE_IS_NEWER) does not seem to work.")
ENDIF(NOT "${file}" IS_NEWER_THAN "${CMAKE_CURRENT_SOURCE_DIR}/InputFile.h.in")
# Test configuration of the string
SET(TEST_DEFINED 123)