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new 725646bf ltmain.in: Parse additional clang options
725646bf is described below
commit 725646bf095bf5c07c49ae38dd060f95bd95ae3c
Author: Richard Purdie <richard.pur...@linuxfoundation.org>
AuthorDate: Wed Jan 17 12:39:21 2024 +0000
ltmain.in: Parse additional clang options
clang uses -rtlib and -unwindlib to select proper compiler runtime in
some cases. Therefore pass these options to linker when found in
ldflags.
* build-aux/ltmain.in: Handle clang linker options.
---
build-aux/ltmain.in | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/build-aux/ltmain.in b/build-aux/ltmain.in
index a6a9d696..d94bce55 100644
--- a/build-aux/ltmain.in
+++ b/build-aux/ltmain.in
@@ -5413,12 +5413,15 @@ func_mode_link ()
# -shared-libsan Link with shared sanitizer runtimes (Clang)
# -static-libsan Link with static sanitizer runtimes (Clang)
# -fuse-ld=* Linker select flags for GCC
+ # -rtlib=* select c runtime lib with clang
+ # --unwindlib=* select unwinder library with clang
# -f{file|debug|macro|profile}-prefix-map=* needed for lto linking
# -Wa,* Pass flags directly to the assembler
# -Werror, -Werror=* Report (specified) warnings as errors
-64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
-t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \
-
-O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*| \
+ -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*| \
+ -stdlib=*|-rtlib=*|--unwindlib=*| \
-specs=*|-fsanitize=*|-fno-sanitize*|-shared-libsan|-static-libsan| \
-ffile-prefix-map=*|-fdebug-prefix-map=*|-fmacro-prefix-map=*|-fprofile-prefix-map=*|
\
-fdiagnostics-color*|-frecord-gcc-switches| \
