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-rw-r--r--Source/cmTryRunCommand.cxx14
1 files changed, 8 insertions, 6 deletions
diff --git a/Source/cmTryRunCommand.cxx b/Source/cmTryRunCommand.cxx
index 1e81195..8d62cb1 100644
--- a/Source/cmTryRunCommand.cxx
+++ b/Source/cmTryRunCommand.cxx
@@ -40,7 +40,7 @@ public:
std::string* runOutputStdOutContents,
std::string* runOutputStdErrContents);
void DoNotRunExecutable(const std::string& runArgs,
- const std::string& srcFile,
+ cm::optional<std::string> const& srcFile,
std::string const& compileResultVariable,
std::string* runOutputContents,
std::string* runOutputStdOutContents,
@@ -128,7 +128,7 @@ bool TryRunCommandImpl::TryRunCode(std::vector<std::string> const& argv)
if (this->Makefile->IsOn("CMAKE_CROSSCOMPILING") &&
!this->Makefile->IsDefinitionSet("CMAKE_CROSSCOMPILING_EMULATOR")) {
this->DoNotRunExecutable(
- runArgs, *arguments.SourceDirectoryOrFile,
+ runArgs, arguments.SourceDirectoryOrFile,
*arguments.CompileResultVariable,
captureRunOutput ? &runOutputContents : nullptr,
captureRunOutputStdOutErr && arguments.RunOutputStdOutVariable
@@ -238,7 +238,7 @@ void TryRunCommandImpl::RunExecutable(const std::string& runArgs,
the executable would have produced.
*/
void TryRunCommandImpl::DoNotRunExecutable(
- const std::string& runArgs, const std::string& srcFile,
+ const std::string& runArgs, cm::optional<std::string> const& srcFile,
std::string const& compileResultVariable, std::string* out,
std::string* stdOut, std::string* stdErr)
{
@@ -421,9 +421,11 @@ void TryRunCommandImpl::DoNotRunExecutable(
comment += "The ";
comment += compileResultVariable;
- comment += " variable holds the build result for this try_run().\n\n"
- "Source file : ";
- comment += srcFile + "\n";
+ comment += " variable holds the build result for this try_run().\n\n";
+ if (srcFile) {
+ comment += "Source file : ";
+ comment += *srcFile + "\n";
+ }
comment += "Executable : ";
comment += copyDest + "\n";
comment += "Run arguments : ";