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The dtc binary has to be compiled using the host GCC and not the target cross compiler GCC. And GCC 10 is using by default -fno-common which inhibits the merging of tentative definitions by the linker. Signed-off-by: Sven Eckelmann <sven@narfation.org>
36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
From b0192e711ace4680b757bb75fdf079028174aee7 Mon Sep 17 00:00:00 2001
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From: Sven Eckelmann <sven@narfation.org>
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Date: Tue, 25 Aug 2020 14:27:20 +0200
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Subject: [PATCH] ipq807x: Fix dtc host build with GCC 10
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The dtc binary has to be compiled using the host GCC and not the target
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cross compiler GCC. And GCC 10 is using by default -fno-common which
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inhibits the merging of tentative definitions by the linker.
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Signed-off-by: Sven Eckelmann <sven@narfation.org>
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---
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.../ipq807x/patches/105-fix-dtc-gcc10-build.patch | 11 +++++++++++
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1 file changed, 11 insertions(+)
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create mode 100644 target/linux/ipq807x/patches/105-fix-dtc-gcc10-build.patch
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diff --git a/target/linux/ipq807x/patches/105-fix-dtc-gcc10-build.patch b/target/linux/ipq807x/patches/105-fix-dtc-gcc10-build.patch
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new file mode 100644
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index 0000000000..f91601ec59
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--- /dev/null
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+++ b/target/linux/ipq807x/patches/105-fix-dtc-gcc10-build.patch
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@@ -0,0 +1,11 @@
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+--- a/scripts/dtc/dtc-lexer.lex.c_shipped
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++++ b/scripts/dtc/dtc-lexer.lex.c_shipped
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+@@ -637,7 +637,7 @@ char *yytext;
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+ #include "srcpos.h"
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+ #include "dtc-parser.tab.h"
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+
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+-YYLTYPE yylloc;
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++extern YYLTYPE yylloc;
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+ extern bool treesource_error;
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+
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+ /* CAUTION: this will stop working if we ever use yyless() or yyunput() */
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--
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2.28.0
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