diff options
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 1dcdfb5..27097d7 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -517,7 +517,8 @@ Objective-C and Objective-C++ Dialects}. @item Linker Options @xref{Link Options,,Options for Linking}. @gccoptlist{@var{object-file-name} -fuse-ld=@var{linker} -l@var{library} @gol --nostartfiles -nodefaultlibs -nostdlib -pie -pthread -rdynamic @gol +-nostartfiles -nodefaultlibs -nolibc -nostdlib @gol +-pie -pthread -rdynamic @gol -s -static -static-pie -static-libgcc -static-libstdc++ @gol -static-libasan -static-libtsan -static-liblsan -static-libubsan @gol -shared -shared-libgcc -symbolic @gol @@ -12350,8 +12351,8 @@ link an Objective-C or Objective-C++ program. @item -nostartfiles @opindex nostartfiles Do not use the standard system startup files when linking. -The standard system libraries are used normally, unless @option{-nostdlib} -or @option{-nodefaultlibs} is used. +The standard system libraries are used normally, unless @option{-nostdlib}, +@option{-nolibc}, or @option{-nodefaultlibs} is used. @item -nodefaultlibs @opindex nodefaultlibs @@ -12368,6 +12369,18 @@ These entries are usually resolved by entries in libc. These entry points should be supplied through some other mechanism when this option is specified. +@item -nolibc +@opindex nolibc +Do not use the C library or system libraries tightly coupled with it when +linking. Still link with the startup files, @file{libgcc} or toolchain +provided language support libraries such as @file{libgnat}, @file{libgfortran} +or @file{libstdc++} unless options preventing their inclusion are used as +well. This typically removes @option{-lc} from the link command line, as well +as system libraries that normally go with it and become meaningless when +absence of a C library is assumed, for example @option{-lpthread} or +@option{-lm} in some configurations. This is intended for bare-board +targets when there is indeed no C library available. + @item -nostdlib @opindex nostdlib Do not use the standard system startup files or libraries when linking. |