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-rw-r--r--Source/cmcmd.cxx1
-rw-r--r--Tests/RunCMake/pseudo_iwyu.c3
2 files changed, 3 insertions, 1 deletions
diff --git a/Source/cmcmd.cxx b/Source/cmcmd.cxx
index 1db147a..945913e 100644
--- a/Source/cmcmd.cxx
+++ b/Source/cmcmd.cxx
@@ -327,6 +327,7 @@ int cmcmd::ExecuteCMakeCommand(std::vector<std::string>& args)
iwyu_cmd.insert(iwyu_cmd.end(), orig_cmd.begin() + 1, orig_cmd.end());
// Run the iwyu command line. Capture its stderr and hide its stdout.
+ // Ignore its return code because the tool always returns non-zero.
std::string stdErr;
if (!cmSystemTools::RunSingleCommand(iwyu_cmd, CM_NULLPTR, &stdErr,
&ret, CM_NULLPTR,
diff --git a/Tests/RunCMake/pseudo_iwyu.c b/Tests/RunCMake/pseudo_iwyu.c
index 1e25de7..c761741 100644
--- a/Tests/RunCMake/pseudo_iwyu.c
+++ b/Tests/RunCMake/pseudo_iwyu.c
@@ -3,5 +3,6 @@
int main(void)
{
fprintf(stderr, "should add these lines:\n#include <...>\n");
- return 0;
+ /* include-what-you-use always returns failure */
+ return 1;
}