tahonermann added inline comments.
================
Comment at: clang/docs/ClangCommandLineReference.rst:1183-1185
+.. option:: -fmodule-header=\[user,system\]
+
+Build a C++20 header unit, but search for the header in the user or system
header search paths respectively.
----------------
Are "user" and "system" the right terms to use here? Existing options aren't
all that consistent. Some examples from `Options.td`:
def MD : Flag<["-"], "MD">, Group<M_Group>,
HelpText<"Write a depfile containing user and system headers">;
def MMD : Flag<["-"], "MMD">, Group<M_Group>,
HelpText<"Write a depfile containing user headers">;
...
def iquote : JoinedOrSeparate<["-"], "iquote">, Group<clang_i_Group>,
Flags<[CC1Option]>,
HelpText<"Add directory to QUOTE include search path">,
MetaVarName<"<directory>">;
def isystem : JoinedOrSeparate<["-"], "isystem">, Group<clang_i_Group>,
Flags<[CC1Option]>,
HelpText<"Add directory to SYSTEM include search path">,
MetaVarName<"<directory>">;
For comparison, the related MSVC options (also present in `Options.td`) are:
def _SLASH_headerUnitAngle : CLJoinedOrSeparate<"headerUnit:angle">;
def _SLASH_headerUnitQuote : CLJoinedOrSeparate<"headerUnit:quote">;
Should there be a "both" or "any" option so that the search considers all
include paths as opposed to just user OR system?
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D121589/new/
https://reviews.llvm.org/D121589
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