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File _service:tar_scm:LoongArch-Adjust-C-multilib-header-layout.patch of Package gcc
From a4bf17e87a965ed7f2bb1d2921fb9dd820c79a96 Mon Sep 17 00:00:00 2001 From: Yang Yujie <yangyujie@loongson.cn> Date: Thu, 7 Sep 2023 14:50:10 +0800 Subject: [PATCH 069/124] LoongArch: Adjust C++ multilib header layout. For LoongArch, the toplevel library build is always aliased to one of the multilib variants. This patch installs it with the actual MULTISUBDIR (instead of ".") so that the headers can be reached by the compiler. This patch is an update of https://gcc.gnu.org/pipermail/gcc-patches/2023-September/629435.html libstdc++-v3/ChangeLog: * configure.host: Register t-loongarch in tmake_file. * config/cpu/loongarch/t-loongarch: New file. Manually refresh MULTISUBDIR with $(shell $(CXX) --print-multi-directory). Signed-off-by: Peng Fan <fanpeng@loongson.cn> Signed-off-by: ticat_fp <fanpeng@loongson.cn> --- libstdc++-v3/config/cpu/loongarch/t-loongarch | 1 + libstdc++-v3/configure.host | 5 ++++- 2 files changed, 5 insertions(+), 1 deletion(-) create mode 100644 libstdc++-v3/config/cpu/loongarch/t-loongarch diff --git a/libstdc++-v3/config/cpu/loongarch/t-loongarch b/libstdc++-v3/config/cpu/loongarch/t-loongarch new file mode 100644 index 000000000..adfc8ebb9 --- /dev/null +++ b/libstdc++-v3/config/cpu/loongarch/t-loongarch @@ -0,0 +1 @@ +AM_MAKEFLAGS += " MULTISUBDIR=/$(shell $(CXX) --print-multi-directory)" diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host index ec32980aa..592160e6d 100644 --- a/libstdc++-v3/configure.host +++ b/libstdc++-v3/configure.host @@ -315,7 +315,10 @@ esac # Set any OS-dependent and CPU-dependent bits. # THIS TABLE IS SORTED. KEEP IT THAT WAY. case "${host}" in - *-*-linux* | *-*-uclinux*) + loongarch*) + tmake_file="cpu/loongarch/t-loongarch" + ;; + *-*-linux* | *-*-uclinux*) case "${host_cpu}" in i[567]86) abi_baseline_pair=i486-linux-gnu -- 2.33.0
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