[cfe-commits] r160048 - /cfe/trunk/tools/clang-check/ClangCheck.cpp
Daniel Jasper
djasper at google.com
Wed Jul 11 08:05:25 PDT 2012
Author: djasper
Date: Wed Jul 11 10:05:24 2012
New Revision: 160048
URL: http://llvm.org/viewvc/llvm-project?rev=160048&view=rev
Log:
Fix usage instructions for clang-check.
Modified:
cfe/trunk/tools/clang-check/ClangCheck.cpp
Modified: cfe/trunk/tools/clang-check/ClangCheck.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/clang-check/ClangCheck.cpp?rev=160048&r1=160047&r2=160048&view=diff
==============================================================================
--- cfe/trunk/tools/clang-check/ClangCheck.cpp (original)
+++ cfe/trunk/tools/clang-check/ClangCheck.cpp Wed Jul 11 10:05:24 2012
@@ -11,13 +11,14 @@
// clang::SyntaxOnlyAction over a number of translation units.
//
// Usage:
-// clang-check <cmake-output-dir> <file1> <file2> ...
+// clang-check [-p <cmake-output-dir>] <file1> <file2> ...
//
// Where <cmake-output-dir> is a CMake build directory in which a file named
// compile_commands.json exists (enable -DCMAKE_EXPORT_COMPILE_COMMANDS in
-// CMake to get this output).
+// CMake to get this output). If not provided, clang-check will search for this
+// file in all of <file1>'s parent directories.
//
-// <file1> ... specify the paths of files in the CMake source tree. This path
+// <file1> ... specify the paths of files in the CMake source tree. This path
// is looked up in the compile command database. If the path of a file is
// absolute, it needs to point into CMake's source tree. If the path is
// relative, the current working directory needs to be in the CMake source
@@ -29,7 +30,7 @@
// For example, to use clang-check on all files in a subtree of the source
// tree, use:
//
-// /path/in/subtree $ find . -name '*.cpp'| xargs clang-check /path/to/source
+// /path/in/subtree $ find . -name '*.cpp'| xargs clang-check
//
//===----------------------------------------------------------------------===//
@@ -60,7 +61,6 @@
if (!BuildPath.empty()) {
Compilations.reset(
CompilationDatabase::autoDetectFromDirectory(BuildPath, ErrorMessage));
-
} else {
Compilations.reset(CompilationDatabase::autoDetectFromSource(
SourcePaths[0], ErrorMessage));
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