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44 lines
1.8 KiB
44 lines
1.8 KiB
From 9dcf7e679c441b877b63ff8e6dfc3865af6c6720 Mon Sep 17 00:00:00 2001
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From: Mauro Condarelli <mc5686 at mclink.it>
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Date: Sun, 22 May 2016 20:44:26 +0200
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Subject: [PATCH 1/1] Fix config.mak.uname to allow cross-compilation
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Current implementation imperatively sets variables from "uname" output.
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This breaks cross-compilation because uname is run on host while target
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configuration may be different.
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Make current behavior a non-imperative default, so it's possible to
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force different values setting make variables.
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To cross-compile it will be necessary to explicitly set the various
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uname_X variables to values compatible with target.
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No change is needed with normal host compilation.
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Patch is trivial.
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Signed-off-by: Mauro Condarelli <mc5686 at mclink.it>
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---
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config.mak.uname | 12 ++++++------
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1 file changed, 6 insertions(+), 6 deletions(-)
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diff --git a/config.mak.uname b/config.mak.uname
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index 40d6b29..d933b23 100644
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--- a/config.mak.uname
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+++ b/config.mak.uname
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@@ -1,11 +1,11 @@
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# Platform specific Makefile tweaks based on uname detection
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-uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')
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-uname_M := $(shell sh -c 'uname -m 2>/dev/null || echo not')
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-uname_O := $(shell sh -c 'uname -o 2>/dev/null || echo not')
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-uname_R := $(shell sh -c 'uname -r 2>/dev/null || echo not')
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-uname_P := $(shell sh -c 'uname -p 2>/dev/null || echo not')
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-uname_V := $(shell sh -c 'uname -v 2>/dev/null || echo not')
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+uname_S ?= $(shell sh -c 'uname -s 2>/dev/null || echo not')
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+uname_M ?= $(shell sh -c 'uname -m 2>/dev/null || echo not')
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+uname_O ?= $(shell sh -c 'uname -o 2>/dev/null || echo not')
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+uname_R ?= $(shell sh -c 'uname -r 2>/dev/null || echo not')
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+uname_P ?= $(shell sh -c 'uname -p 2>/dev/null || echo not')
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+uname_V ?= $(shell sh -c 'uname -v 2>/dev/null || echo not')
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ifdef MSVC
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# avoid the MingW and Cygwin configuration sections
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