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Make LLVM command-line tools overwrite their output files without -f.

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This is conventional command-line tool behavior. -f now just means
"enable binary output on terminals".

Add a -f option to llvm-extract and llvm-link, for consistency.

Remove F_Force from raw_fd_ostream and enable overwriting and
truncating by default. Introduce an F_Excl flag to permit users to
enable a failure when the file already exists. This flag is
currently unused.

Update Makefiles and documentation accordingly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79990 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-08-25 15:34:52 +00:00
parent cf48efcf3d
commit baa26395cc
22 changed files with 48 additions and 72 deletions
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7
tools/llvm-ld/llvm-ld.cpp
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@ -12,7 +12,7 @@
// Additionally, this program outputs a shell script that is used to invoke LLI
// to execute the program. In this manner, the generated executable (a.out for
// example), is directly executable, whereas the bitcode file actually lives in
// the a.out.bc file generated by this program. Also, Force is on by default.
// the a.out.bc file generated by this program.
//
// Note that if someone (or a script) deletes the executable program generated,
// the .bc file will be left around. Considering that this is a temporary hack,
@ -231,7 +231,7 @@ void GenerateBitcode(Module* M, const std::string& FileName) {
// Create the output file.
std::string ErrorInfo;
raw_fd_ostream Out(FileName.c_str(), ErrorInfo,
raw_fd_ostream::F_Force | raw_fd_ostream::F_Binary);
raw_fd_ostream::F_Binary);
if (!ErrorInfo.empty())
PrintAndExit(ErrorInfo);
@ -428,8 +428,7 @@ static void EmitShellScript(char **argv) {
// Output the script to start the program...
std::string ErrorInfo;
raw_fd_ostream Out2(OutputFilename.c_str(), ErrorInfo,
llvm::raw_fd_ostream::F_Force);
raw_fd_ostream Out2(OutputFilename.c_str(), ErrorInfo);
if (!ErrorInfo.empty())
PrintAndExit(ErrorInfo);