diff options
Diffstat (limited to 'Source/cmSetCommand.cxx')
| -rw-r--r-- | Source/cmSetCommand.cxx | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/Source/cmSetCommand.cxx b/Source/cmSetCommand.cxx index 1484368..8fb6aa0 100644 --- a/Source/cmSetCommand.cxx +++ b/Source/cmSetCommand.cxx @@ -31,13 +31,14 @@ bool cmSetCommand::InitialPass(std::vector<std::string> const& args, putEnvArg += "="; // what is the current value if any - const char* currValue = getenv(varName); + std::string currValue; + const bool currValueSet = cmSystemTools::GetEnv(varName, currValue); delete[] varName; // will it be set to something, then set it if (args.size() > 1 && !args[1].empty()) { // but only if it is different from current value - if (!currValue || strcmp(currValue, args[1].c_str())) { + if (!currValueSet || currValue != args[1]) { putEnvArg += args[1]; cmSystemTools::PutEnv(putEnvArg); } @@ -45,7 +46,7 @@ bool cmSetCommand::InitialPass(std::vector<std::string> const& args, } // if it will be cleared, then clear it if it isn't already clear - if (currValue) { + if (currValueSet) { cmSystemTools::PutEnv(putEnvArg); } return true; |