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authorKevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>2019-06-18 19:44:35 +0100
committerKevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>2019-06-20 14:38:34 +0100
commit71f0333480f1640de62a83ef577ec50dfa9fa24f (patch)
treec91e4bc48ace610e896cccac44dae02f6c849aee
parent1fd50531cac9c41334d8f57e2dbc1f50c3572445 (diff)
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kernel: generic: fix MIPS build on non-linux hosts
calc_vmlinuz_load_addr.c requires SZ_64K to be defined for alignment purposes. It included "../../../../include/linux/sizes.h" to define that size, however "sizes.h" tries to include <linux/const.h> which assumes linux system headers. These may not exist eg. the following error was encountered when building Linux for OpenWrt under macOS: In file included from arch/mips/boot/compressed/calc_vmlinuz_load_addr.c:16: arch/mips/boot/compressed/../../../../include/linux/sizes.h:11:10: fatal error: 'linux/const.h' file not found Change makefile to force building on local linux headers instead of system headers. Also change eye-watering relative reference in include file spec. Thanks to Jo-Philip Wich & Petr Štetiar for assistance in tracking this down & fixing. Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
-rw-r--r--target/linux/generic/pending-4.19/100-MIPS-fix-build-on-non-linux-hosts.patch62
1 files changed, 62 insertions, 0 deletions
diff --git a/target/linux/generic/pending-4.19/100-MIPS-fix-build-on-non-linux-hosts.patch b/target/linux/generic/pending-4.19/100-MIPS-fix-build-on-non-linux-hosts.patch
new file mode 100644
index 0000000000..7204a7176c
--- /dev/null
+++ b/target/linux/generic/pending-4.19/100-MIPS-fix-build-on-non-linux-hosts.patch
@@ -0,0 +1,62 @@
+From 4ee213d8c2afeab9a68f8530317260298b4b6b82 Mon Sep 17 00:00:00 2001
+From: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
+Date: Wed, 19 Jun 2019 08:16:33 +0100
+Subject: [PATCH] MIPS: fix build on non-linux hosts
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+calc_vmlinuz_load_addr.c requires SZ_64K to be defined for alignment
+purposes. It included "../../../../include/linux/sizes.h" to define
+that size, however "sizes.h" tries to include <linux/const.h> which
+assumes linux system headers. These may not exist eg. the following
+error was encountered when building Linux for OpenWrt under macOS:
+
+In file included from arch/mips/boot/compressed/calc_vmlinuz_load_addr.c:16:
+arch/mips/boot/compressed/../../../../include/linux/sizes.h:11:10: fatal error: 'linux/const.h' file not found
+ ^~~~~~~~~~
+
+Change makefile to force building on local linux headers instead of
+system headers. Also change eye-watering relative reference in include
+file spec.
+
+Thanks to Jo-Philip Wich & Petr Štetiar for assistance in tracking this
+down & fixing.
+
+Suggested-by: Jo-Philipp Wich <jo@mein.io>
+Signed-off-by: Petr Štetiar <ynezz@true.cz>
+Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
+---
+ arch/mips/boot/compressed/Makefile | 2 ++
+ arch/mips/boot/compressed/calc_vmlinuz_load_addr.c | 2 +-
+ 2 files changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
+index 3c453a1f1ff1..172801ed35b8 100644
+--- a/arch/mips/boot/compressed/Makefile
++++ b/arch/mips/boot/compressed/Makefile
+@@ -78,6 +78,8 @@ OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.bin.z \
+ $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE
+ $(call if_changed,objcopy)
+
++HOSTCFLAGS_calc_vmlinuz_load_addr.o += $(LINUXINCLUDE)
++
+ # Calculate the load address of the compressed kernel image
+ hostprogs-y := calc_vmlinuz_load_addr
+
+diff --git a/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c b/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c
+index 240f1d12df75..080b926d2623 100644
+--- a/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c
++++ b/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c
+@@ -9,7 +9,7 @@
+ #include <stdint.h>
+ #include <stdio.h>
+ #include <stdlib.h>
+-#include "../../../../include/linux/sizes.h"
++#include <linux/sizes.h>
+
+ int main(int argc, char *argv[])
+ {
+--
+2.20.1 (Apple Git-117)
+