If lto is enabled, we need the prefix-map variables to be passed to the linker
to correctly link the objects using correctly mapped paths.
Add these to the list of options libtool passes through.
* build-aux/ltmain.in: Handle prefix-map compiler options
---
build-aux/ltmain.in | 2 ++
1 file changed, 2 insertions(+)
diff --git a/build-aux/ltmain.in b/build-aux/ltmain.in
index 830b3982..5b59d959 100644
--- a/build-aux/ltmain.in
+++ b/build-aux/ltmain.in
@@ -5413,12 +5413,14 @@ 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
+ # -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=*| \
-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| \
-fuse-ld=*|-Wa,*|-Werror|-Werror=*)
func_quote_arg pretty "$arg"
--
2.39.2
