Add initial dependency file generation support. Patch by Kovarththanan
Rajaratnam, with some updates and formatting changes.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58122 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Driver/clang.cpp b/Driver/clang.cpp
index e6c6962..cd58a05 100644
--- a/Driver/clang.cpp
+++ b/Driver/clang.cpp
@@ -1084,6 +1084,16 @@
return NULL;
}
+ /// FIXME: PP can only handle one callback
+ if (ProgAction != PrintPreprocessedInput) {
+ const char* ErrStr;
+ bool DFG = CreateDependencyFileGen(PP, OutputFile, InFile, ErrStr);
+ if (!DFG && ErrStr) {
+ fprintf(stderr, ErrStr);
+ return NULL;
+ }
+ }
+
InitializeSourceMgr = false;
return PP;
}