Introduce '-chain-include' option to specify headers that will be converted to chained PCHs in memory
without having to use multiple runs and intermediate files.
Intended for testing & debugging of chained PCH.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127339 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Driver/CC1Options.td b/include/clang/Driver/CC1Options.td
index 12f2556..c0fb23d 100644
--- a/include/clang/Driver/CC1Options.td
+++ b/include/clang/Driver/CC1Options.td
@@ -560,6 +560,8 @@
HelpText<"Include precompiled header file">;
def include_pth : Separate<"-include-pth">, MetaVarName<"<file>">,
HelpText<"Include file before parsing">;
+def chain_include : Separate<"-chain-include">, MetaVarName<"<file>">,
+ HelpText<"Include and chain a header file after turning it into PCH">;
def preamble_bytes_EQ : Joined<"-preamble-bytes=">,
HelpText<"Assume that the precompiled header is a precompiled preamble "
"covering the first N bytes of the main file">;