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-rw-r--r--Source/cmGeneratorExpressionEvaluator.cxx60
1 files changed, 60 insertions, 0 deletions
diff --git a/Source/cmGeneratorExpressionEvaluator.cxx b/Source/cmGeneratorExpressionEvaluator.cxx
index 28f749d..1804691 100644
--- a/Source/cmGeneratorExpressionEvaluator.cxx
+++ b/Source/cmGeneratorExpressionEvaluator.cxx
@@ -345,6 +345,60 @@ static const struct CXXCompilerIdNode : public CompilerIdNode
} cxxCompilerIdNode;
//----------------------------------------------------------------------------
+static const struct VersionGreaterNode : public cmGeneratorExpressionNode
+{
+ VersionGreaterNode() {}
+
+ virtual int NumExpectedParameters() const { return 2; }
+
+ std::string Evaluate(const std::vector<std::string> &parameters,
+ cmGeneratorExpressionContext *,
+ const GeneratorExpressionContent *,
+ cmGeneratorExpressionDAGChecker *) const
+ {
+ return cmSystemTools::VersionCompare(cmSystemTools::OP_GREATER,
+ parameters.front().c_str(),
+ parameters[1].c_str()) ? "1" : "0";
+ }
+} versionGreaterNode;
+
+//----------------------------------------------------------------------------
+static const struct VersionLessNode : public cmGeneratorExpressionNode
+{
+ VersionLessNode() {}
+
+ virtual int NumExpectedParameters() const { return 2; }
+
+ std::string Evaluate(const std::vector<std::string> &parameters,
+ cmGeneratorExpressionContext *,
+ const GeneratorExpressionContent *,
+ cmGeneratorExpressionDAGChecker *) const
+ {
+ return cmSystemTools::VersionCompare(cmSystemTools::OP_LESS,
+ parameters.front().c_str(),
+ parameters[1].c_str()) ? "1" : "0";
+ }
+} versionLessNode;
+
+//----------------------------------------------------------------------------
+static const struct VersionEqualNode : public cmGeneratorExpressionNode
+{
+ VersionEqualNode() {}
+
+ virtual int NumExpectedParameters() const { return 2; }
+
+ std::string Evaluate(const std::vector<std::string> &parameters,
+ cmGeneratorExpressionContext *,
+ const GeneratorExpressionContent *,
+ cmGeneratorExpressionDAGChecker *) const
+ {
+ return cmSystemTools::VersionCompare(cmSystemTools::OP_EQUAL,
+ parameters.front().c_str(),
+ parameters[1].c_str()) ? "1" : "0";
+ }
+} versionEqualNode;
+
+//----------------------------------------------------------------------------
static const struct ConfigurationNode : public cmGeneratorExpressionNode
{
ConfigurationNode() {}
@@ -1169,6 +1223,12 @@ cmGeneratorExpressionNode* GetNode(const std::string &identifier)
return &cCompilerIdNode;
else if (identifier == "CXX_COMPILER_ID")
return &cxxCompilerIdNode;
+ else if (identifier == "VERSION_GREATER")
+ return &versionGreaterNode;
+ else if (identifier == "VERSION_LESS")
+ return &versionLessNode;
+ else if (identifier == "VERSION_EQUAL")
+ return &versionEqualNode;
else if (identifier == "CONFIGURATION")
return &configurationNode;
else if (identifier == "CONFIG")