Re: [PATCH 11/12] ltmain.in: Handle prefix-map compiler options correctly

[Mike Frysinger]

On 25 Oct 2021 15:33, Richard Purdie wrote:
> +  # -f*-prefix-map*  needed for lto linking

what flags are you trying to actually match here ?  excessive globs
make it more likely to match flags we don't want.
-mike


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[PATCH 11/12] ltmain.in: Handle prefix-map compiler options correctly

[Richard Purdie]

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 
---
 build-aux/ltmain.in | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/build-aux/ltmain.in b/build-aux/ltmain.in
index 606f17be..7dc2e897 100644
--- a/build-aux/ltmain.in
+++ b/build-aux/ltmain.in
@@ -5392,10 +5392,11 @@ 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
   -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=*)
+  -specs=*|-fsanitize=*|-fuse-ld=*|-f*-prefix-map*)
 func_quote_arg pretty "$arg"
arg=$func_quote_arg_result
 func_append compile_command " $arg"
-- 
2.25.1