diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/driver/EmbeddedRunner.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/driver/EmbeddedRunner.cc b/tools/driver/EmbeddedRunner.cc index 587d664..2833cfd 100644 --- a/tools/driver/EmbeddedRunner.cc +++ b/tools/driver/EmbeddedRunner.cc @@ -191,6 +191,12 @@ static llvm::Error loadCxxRuntime(llvm::orc::LLJIT &J) { } int runEmbedded(const cps::CodeGen &CG, const std::vector<std::string> &Objects) { + // Pipes are fully buffered by default. Use the host CRT's stdout, also + // preferred by the JIT on Windows, so OUTPUT reaches desktop clients now. + if (std::setvbuf(stdout, nullptr, _IONBF, 0) != 0) { + llvm::errs() << "error: cannot configure embedded stdout\n"; + return 1; + } if (llvm::InitializeNativeTarget() || llvm::InitializeNativeTargetAsmPrinter()) { llvm::errs() << "error: cannot initialize the embedded LLVM target\n"; return 1; |