@@ -26,6 +26,7 @@ SRC_URI = "${GNU_MIRROR}/libtool/libtool-${PV}.tar.gz \
file://0012-libtool.m4-For-reproducibility-stop-encoding-hostnam.patch \
file://libool.m4-add-ARFLAGS-variable.patch \
file://ARFLAGS-use-cr-instead-of-cru-by-default.patch \
+ file://0001-ltmain.in-Parse-additional-clang-options.patch \
"
SRC_URI[md5sum] = "addf44b646ddb4e3919805aa88fa7c5e"
new file mode 100644
@@ -0,0 +1,37 @@
+From c3b90d6107a1b638477d5f4dcee48af289647af7 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Wed, 9 Mar 2022 12:52:51 -0800
+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>
+---
+ 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 6a7bb72..c355c0c 100644
+--- a/build-aux/ltmain.in
++++ b/build-aux/ltmain.in
+@@ -5423,10 +5423,13 @@ func_mode_link ()
+ # --sysroot=* for sysroot support
+ # -O*, -g*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization
+ # -stdlib=* select c++ std lib with clang
++ # -rtlib=* select c runtime lib with clang
++ # --unwindlib=* select unwinder library with clang
+ # -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=*|-f*-prefix-map*)
++ -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*| \
++ -rtlib=*|--unwindlib=*|-f*-prefix-map*)
+ func_quote_for_eval "$arg"
+ arg=$func_quote_for_eval_result
+ func_append compile_command " $arg"
+--
+2.35.1
+
Like stdlib, these options are also used to select runtime libraries by clang driver Signed-off-by: Khem Raj <raj.khem@gmail.com> --- .../libtool/libtool-2.4.6.inc | 1 + ...in.in-Parse-additional-clang-options.patch | 37 +++++++++++++++++++ 2 files changed, 38 insertions(+) create mode 100644 meta/recipes-devtools/libtool/libtool/0001-ltmain.in-Parse-additional-clang-options.patch