RISC-V: Install libstdc++/libcc1 etc to /lib64 instead of lib

Sync patch from
84edbc6544

Signed-off-by: YunQiang Su <yunqiang@isrc.iscas.ac.cn>
Signed-off-by: jchzhou <zhoujiacheng@iscas.ac.cn>

0306-RISC-V-Install-libstdc-libcc1-etc-to-lib64-instead-o.patch

@@ -0,0 +1,65 @@
+From 84edbc6544ed872aedb3cb6f6d0feb8647ff1d8b Mon Sep 17 00:00:00 2001
+From: YunQiang Su <yunqiang@isrc.iscas.ac.cn>
+Date: Mon, 14 Oct 2024 10:09:46 +0800
+Subject: [PATCH] RISC-V: Install libstdc++/libcc1 etc to /lib64 instead of lib
+
+The problem is that if we are configured with `--disable-multilib`,
+  gcc -print-multi-os-directory
+outputs
+  .
+Thus the dest to install libraries is set to
+  /usr/lib/.
+While other platforms (x86-64, arm64) it will be
+  /usr/lib/../lib64
+Let's sync riscv64 with them
+
+Another problem is that
+  gcc -print-file-name=libzstd.so.1
+will output
+  /usr/lib64/lp64d/../lib64/libzstd.so.1
+which is also need to patched.
+---
+ gcc/config.gcc               | 3 +++
+ gcc/config/riscv/linux.h     | 2 ++
+ gcc/config/riscv/t-openEuler | 2 ++
+ 3 files changed, 7 insertions(+)
+ create mode 100644 gcc/config/riscv/t-openEuler
+
+diff --git a/gcc/config.gcc b/gcc/config.gcc
+index 19b21a280..23c5bee2b 100644
+--- a/gcc/config.gcc
++++ b/gcc/config.gcc
+@@ -2453,6 +2453,9 @@ riscv*-*-linux*)
+ 	xyes) tmake_file="${tmake_file} riscv/t-linux-multilib" ;;
+ 	*) echo "Unknown value for enable_multilib"; exit 1
+ 	esac
++	case "x${target_vendor}" in
++	xopenEuler) tmake_file="${tmake_file} riscv/t-openEuler"
++	esac
+ 	tmake_file="${tmake_file} riscv/t-riscv riscv/t-linux"
+ 	gnu_ld=yes
+ 	gas=yes
+diff --git a/gcc/config/riscv/linux.h b/gcc/config/riscv/linux.h
+index b5c6c5027..a8d65f4e0 100644
+--- a/gcc/config/riscv/linux.h
++++ b/gcc/config/riscv/linux.h
+@@ -62,6 +62,8 @@ along with GCC; see the file COPYING3.  If not see
+ #define TARGET_ASM_FILE_END file_end_indicate_exec_stack
+ 
+ #define STARTFILE_PREFIX_SPEC 			\
++   "/lib" XLEN_SPEC "/ " 			\
++   "/usr/lib" XLEN_SPEC "/ " 			\
+    "/lib" XLEN_SPEC "/" ABI_SPEC "/ "		\
+    "/usr/lib" XLEN_SPEC "/" ABI_SPEC "/ "	\
+    "/lib/ "					\
+diff --git a/gcc/config/riscv/t-openEuler b/gcc/config/riscv/t-openEuler
+new file mode 100644
+index 000000000..26541dd08
+--- /dev/null
++++ b/gcc/config/riscv/t-openEuler
+@@ -0,0 +1,2 @@
++MULTILIB_OPTIONS = mabi=lp64d
++MULTILIB_DIRNAMES = ../lib64
+-- 
+2.39.5 (Apple Git-154)
+

gcc.spec

@@ -2,7 +2,7 @@
 %global gcc_major 12
 # Note, gcc_release must be integer, if you want to add suffixes to
 # %%{release}, append them after %%{gcc_release} on Release: line.
-%global gcc_release 42
+%global gcc_release 43
 
 %global _unpackaged_files_terminate_build 0
 %global _performance_build 1
@@ -69,7 +69,6 @@
 %global multilib_32_arch i686
 %endif
 %ifarch riscv64
-%global _lib lib
 %global _smp_mflags -j8
 %endif
 
@@ -412,7 +411,7 @@ Patch302: 0302-Added-param-for-optimization-for-merging-bb-s-with-c.patch
 Patch303: 0303-Add-generation-of-stream-in-functions-for-pre-versio.patch
 Patch304: 0304-Add-multi-version-lto-symbol-parse-cross-lto-units-i.patch
 Patch305: 0305-Backport-varasm-Handle-private-COMDAT-function-symbo.patch
-
+Patch306: 0306-RISC-V-Install-libstdc-libcc1-etc-to-lib64-instead-o.patch
 
 # Part 3000 ~ 4999
 %ifarch loongarch64
@@ -1481,6 +1480,7 @@ not stable, so plugins must be rebuilt any time GCC is updated.
 %patch303 -p1
 %patch304 -p1
 %patch305 -p1
+%patch306 -p1
 
 
 %ifarch loongarch64
@@ -4073,6 +4073,10 @@ end
 %doc rpm.doc/changelogs/libcc1/ChangeLog*
 
 %changelog
+* Thu Nov 21 2024 YunQiang Su <yunqiang@isrc.iscas.ac.cn> - 12.3.1-43
+- Type: Sync
+- DESC: RISC-V: Install libstdc++/libcc1 etc to /lib64 instead of lib
+
 * Thu Nov 21 2024 Feiyang Liu <liufeiyang6@huawei.com> - 12.3.1-42
 - Type:bugfix
 - ID:NA