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https://github.com/thead-yocto-mirror/meta-riscv
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37 lines
1.3 KiB
Diff
37 lines
1.3 KiB
Diff
From 1f96faa30ec089d13045e1c3ba398f812ed4c055 Mon Sep 17 00:00:00 2001
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From: Khem Raj <raj.khem@gmail.com>
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Date: Tue, 3 Oct 2017 23:36:56 -0700
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Subject: [PATCH] Use compiler to find libgcc
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This helps in compiling with toolchains which are relocated
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and may not have same runtime sysroot as build time sysroot
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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---
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arch/riscv/kernel/vdso/Makefile | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile
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index 523d0a8ac8db..d4fa82ccef5b 100644
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--- a/arch/riscv/kernel/vdso/Makefile
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+++ b/arch/riscv/kernel/vdso/Makefile
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@@ -1,5 +1,6 @@
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# Copied from arch/tile/kernel/vdso/Makefile
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+LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
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# Symbols present in the vdso
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vdso-syms = rt_sigreturn
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@@ -48,7 +49,7 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE
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# Make sure only to export the intended __vdso_xxx symbol offsets.
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quiet_cmd_vdsold = VDSOLD $@
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cmd_vdsold = $(CC) $(KCFLAGS) -nostdlib $(SYSCFLAGS_$(@F)) \
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- -Wl,-T,$(filter-out FORCE,$^) -o $@.tmp -lgcc && \
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+ -Wl,-T,$(filter-out FORCE,$^) -o $@.tmp $(LIBGCC) && \
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$(CROSS_COMPILE)objcopy \
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$(patsubst %, -G __vdso_%, $(vdso-syms)) $@.tmp $@
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--
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2.14.2
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