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From: Khem Raj <raj.khem@gmail.com>
Subject: [PATCH] ltmain.in: Parse additional clang options
clang uses -rtlib and --unwindlib to select proper compiler runtime in
some cases. There fore pass these options to linker when found in
ldflags
Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Index: libtool-2.4.7/build-aux/ltmain.in
===================================================================
--- libtool-2.4.7.orig/build-aux/ltmain.in
+++ libtool-2.4.7/build-aux/ltmain.in
@@ -5420,10 +5420,12 @@ func_mode_link ()
# -fsanitize=* Clang/GCC memory and address sanitizer
# -fuse-ld=* Linker select flags for GCC
# -f*-prefix-map* needed for lto linking
+ # -rtlib=* select c runtime lib with clang
+ # --unwindlib=* select unwinder library with clang
# -Wa,* Pass flags directly to the assembler
-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=*|-fuse-ld=*|-f*-prefix-map*|-Wa,*)
func_quote_arg pretty "$arg"
arg=$func_quote_arg_result
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