From 79e00930e2726fba6b4322a272590497031103fd Mon Sep 17 00:00:00 2001 From: Jonas Hahnfeld Date: Wed, 14 Sep 2016 05:52:21 +0000 Subject: [PATCH] Document option '-rtlib' in clang's man page and help info This patch adds an entry for "-rtlib" in the output of `man clang` and `clang -help`. Patch by Lei Zhang! Differential Revision: https://reviews.llvm.org/D24069 llvm-svn: 281440 --- clang/docs/CommandGuide/clang.rst | 7 ++++++- clang/include/clang/Driver/Options.td | 3 ++- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/clang/docs/CommandGuide/clang.rst b/clang/docs/CommandGuide/clang.rst index 0546304..1c47db7 100644 --- a/clang/docs/CommandGuide/clang.rst +++ b/clang/docs/CommandGuide/clang.rst @@ -105,7 +105,12 @@ Language Selection and Mode Options .. option:: -stdlib= Specify the C++ standard library to use; supported options are libstdc++ and - libc++. + libc++. If not specified, platform default will be used. + +.. option:: -rtlib= + + Specify the compiler runtime library to use; supported options are libgcc and + compiler-rt. If not specified, platform default will be used. .. option:: -ansi diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td index fb6b1b6..9fa0054 100644 --- a/clang/include/clang/Driver/Options.td +++ b/clang/include/clang/Driver/Options.td @@ -1863,7 +1863,8 @@ def resource_dir : Separate<["-"], "resource-dir">, def resource_dir_EQ : Joined<["-"], "resource-dir=">, Flags<[DriverOption]>, Alias; def rpath : Separate<["-"], "rpath">, Flags<[LinkerInput]>; -def rtlib_EQ : Joined<["-", "--"], "rtlib=">; +def rtlib_EQ : Joined<["-", "--"], "rtlib=">, + HelpText<"Compiler runtime library to use">; def r : Flag<["-"], "r">, Flags<[LinkerInput,NoArgumentUnused]>; def save_temps_EQ : Joined<["-", "--"], "save-temps=">, Flags<[DriverOption]>, HelpText<"Save intermediate compilation results.">; -- 2.7.4