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68cb84183e
All patches automatically refreshed. Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com> Link: https://github.com/openwrt/openwrt/pull/18600 Signed-off-by: Robert Marko <robimarko@gmail.com>
68 lines
2.7 KiB
Diff
68 lines
2.7 KiB
Diff
From dda6b050cd74a352670787a294596a9c56c21327 Mon Sep 17 00:00:00 2001
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From: Yousong Zhou <yszhou4tech@gmail.com>
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Date: Fri, 4 May 2018 18:20:53 +0800
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Subject: [PATCH] gotools: fix compilation when making cross compiler
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libgo is "the runtime support library for the Go programming language.
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This library is intended for use with the Go frontend."
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gccgo will link target files with libgo.so which depends on libgcc_s.so.1, but
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the linker will complain that it cannot find it. That's because shared libgcc
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is not present in the install directory yet. libgo.so was made without problem
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because gcc will emit -lgcc_s when compiled with -shared option. When gotools
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were being made, it was supplied with -static-libgcc thus no link option was
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provided. Check LIBGO in gcc/go/gcc-spec.c for how gccgo make a builtin spec
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for linking with libgo.so
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- GccgoCrossCompilation, https://github.com/golang/go/wiki/GccgoCrossCompilation
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- Cross-building instructions, http://www.eglibc.org/archives/patches/msg00078.html
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When 3-pass GCC compilation is used, shared libgcc runtime libraries will be
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available after gcc pass2 completed and will meet the gotools link requirement
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at gcc pass3
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---
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gotools/Makefile.am | 4 +++-
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gotools/Makefile.in | 4 +++-
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2 files changed, 6 insertions(+), 2 deletions(-)
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--- a/gotools/Makefile.am
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+++ b/gotools/Makefile.am
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@@ -26,6 +26,7 @@ PWD_COMMAND = $${PWDCMD-pwd}
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STAMP = echo timestamp >
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libgodir = ../$(target_noncanonical)/libgo
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+libgccdir = ../$(target_noncanonical)/libgcc
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LIBGODEP = $(libgodir)/libgo.la
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LIBGOTOOL = $(libgodir)/libgotool.a
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@@ -41,7 +42,8 @@ GOCFLAGS = $(CFLAGS_FOR_TARGET)
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GOCOMPILE = $(GOCOMPILER) $(GOCFLAGS)
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AM_GOCFLAGS = -I $(libgodir)
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-AM_LDFLAGS = -L $(libgodir) -L $(libgodir)/.libs
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+AM_LDFLAGS = -L $(libgodir) -L $(libgodir)/.libs \
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+ -L $(libgccdir) -L $(libgccdir)/.libs -lgcc_s
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GOLINK = $(GOCOMPILER) $(GOCFLAGS) $(AM_GOCFLAGS) $(LDFLAGS) $(AM_LDFLAGS) -o $@
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libgosrcdir = $(srcdir)/../libgo/go
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--- a/gotools/Makefile.in
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+++ b/gotools/Makefile.in
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@@ -337,6 +337,7 @@ mkinstalldirs = $(SHELL) $(toplevel_srcd
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PWD_COMMAND = $${PWDCMD-pwd}
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STAMP = echo timestamp >
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libgodir = ../$(target_noncanonical)/libgo
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+libgccdir = ../$(target_noncanonical)/libgcc
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LIBGODEP = $(libgodir)/libgo.la
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LIBGOTOOL = $(libgodir)/libgotool.a
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@NATIVE_FALSE@GOCOMPILER = $(GOC)
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@@ -346,7 +347,8 @@ LIBGOTOOL = $(libgodir)/libgotool.a
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GOCFLAGS = $(CFLAGS_FOR_TARGET)
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GOCOMPILE = $(GOCOMPILER) $(GOCFLAGS)
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AM_GOCFLAGS = -I $(libgodir)
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-AM_LDFLAGS = -L $(libgodir) -L $(libgodir)/.libs
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+AM_LDFLAGS = -L $(libgodir) -L $(libgodir)/.libs \
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+ -L $(libgccdir) -L $(libgccdir)/.libs -lgcc_s
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GOLINK = $(GOCOMPILER) $(GOCFLAGS) $(AM_GOCFLAGS) $(LDFLAGS) $(AM_LDFLAGS) -o $@
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libgosrcdir = $(srcdir)/../libgo/go
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cmdsrcdir = $(libgosrcdir)/cmd
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