blob: 4945533badde1e989bf1d432f95a9d62fde4efde [file] [log] [blame]
From: Richard Purdie <richard.purdie@linuxfoundation.org>
Subject: [PATCH 11/12] ltmain.in: Handle prefix-map compiler options correctly
If lto is enabled, we need the prefix-map variables to be passed to the linker.
Add these to the list of options libtool passes through.
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Upstream-Status: Submitted [https://lists.gnu.org/archive/html/libtool-patches/2021-10/msg00019.html]
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
@@ -5419,11 +5419,12 @@ func_mode_link ()
# -stdlib=* select c++ std lib with clang
# -fsanitize=* Clang/GCC memory and address sanitizer
# -fuse-ld=* Linker select flags for GCC
+ # -f*-prefix-map* needed for lto linking
# -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=*| \
- -specs=*|-fsanitize=*|-fuse-ld=*|-Wa,*)
+ -specs=*|-fsanitize=*|-fuse-ld=*|-f*-prefix-map*|-Wa,*)
func_quote_arg pretty "$arg"
arg=$func_quote_arg_result
func_append compile_command " $arg"