Like stdlib, these options are also used to select runtime libraries by clang driver
Signed-off-by: Khem Raj <[email protected]> --- .../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 diff --git a/meta/recipes-devtools/libtool/libtool-2.4.6.inc b/meta/recipes-devtools/libtool/libtool-2.4.6.inc index 2b5fd8fd942..ad6f5e6b6eb 100644 --- a/meta/recipes-devtools/libtool/libtool-2.4.6.inc +++ b/meta/recipes-devtools/libtool/libtool-2.4.6.inc @@ -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" diff --git a/meta/recipes-devtools/libtool/libtool/0001-ltmain.in-Parse-additional-clang-options.patch b/meta/recipes-devtools/libtool/libtool/0001-ltmain.in-Parse-additional-clang-options.patch new file mode 100644 index 00000000000..d59b5a834eb --- /dev/null +++ b/meta/recipes-devtools/libtool/libtool/0001-ltmain.in-Parse-additional-clang-options.patch @@ -0,0 +1,37 @@ +From c3b90d6107a1b638477d5f4dcee48af289647af7 Mon Sep 17 00:00:00 2001 +From: Khem Raj <[email protected]> +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 <[email protected]> +--- + 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 + -- 2.35.1
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