On Aug 23, 2016, at 6:39 AM, Bruce Ashfield <bruce.ashfield@gmail.com> wrote:

On Tue, Aug 23, 2016 at 3:25 AM, Jérémy Rosen <jeremy.rosen@smile.fr> wrote:

The KConfig infrastructure hardwires the compiler name to gcc, which breaks
the BUILD_CC feature. This is needed even when cross compiling because
make *config rely on the kconfig infrastructure
---
 meta/recipes-kernel/linux-libc-headers/linux-libc-headers.inc                                                             |  7 ++++++-
 meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0001-Allow-overriding-host-compiler-name-from-environment.patch | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+), 1 deletion(-)
 create mode 100644 meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0001-Allow-overriding-host-compiler-name-from-environment.patch

diff --git a/meta/recipes-kernel/linux-libc-headers/linux-libc-headers.inc b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers.inc
index 92acf8a..18bd080 100644
--- a/meta/recipes-kernel/linux-libc-headers/linux-libc-headers.inc
+++ b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers.inc
@@ -46,7 +46,9 @@ inherit kernel-arch

 KORG_ARCHIVE_COMPRESSION ?= "xz"

-SRC_URI = "${KERNELORG_MIRROR}/linux/kernel/v${HEADER_FETCH_VER}/linux-${PV}.tar.${KORG_ARCHIVE_COMPRESSION}"
+SRC_URI = "${KERNELORG_MIRROR}/linux/kernel/v${HEADER_FETCH_VER}/linux-${PV}.tar.${KORG_ARCHIVE_COMPRESSION} \
+           file://0001-Allow-overriding-host-compiler-name-from-environment.patch \
+           "

We shouldn't be patching linux-libc-headers, and much less with a build patch like this. libc-headers

are the c libraries interface to the kernel. If something is building against the kernel itself, it needs

to go against the kernel source.

If this is broken, it needs to be fixed upstream.

But like the kernel patch, I can't tell exactly what problem you are trying to fix. Can you be more

specific ?

Bruce

 

 S = "${WORKDIR}/linux-${PV}"

@@ -77,3 +79,6 @@ RRECOMMENDS_${PN}-dbg = "${PN}-dev (= ${EXTENDPKGV})"

 INHIBIT_DEFAULT_DEPS = "1"
 DEPENDS += "unifdef-native"
+
+export HOSTCC="${BUILD_CC}"
+export HOSTCXX="${BUILD_CXX}"
diff --git a/meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0001-Allow-overriding-host-compiler-name-from-environment.patch b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0001-Allow-overriding-host-compiler-name-from-environment.patch
new file mode 100644
index 0000000..6fcfbc8
--- /dev/null
+++ b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0001-Allow-overriding-host-compiler-name-from-environment.patch
@@ -0,0 +1,32 @@
+From 0ce4c4f29b5d456a7707e870c7affe524f7c8807 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Rosen?= <jeremy.rosen@smile.fr>
+Date: Tue, 16 Aug 2016 22:39:29 +0200
+Subject: [PATCH] Allow overriding host-compiler name from environment
+ variables
+
+---
+ Makefile | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/Makefile b/Makefile
+index 70dea02..1f0d2d2 100644
+--- a/Makefile
++++ b/Makefile
+@@ -295,10 +295,10 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
+         else if [ -x /bin/bash ]; then echo /bin/bash; \
+         else echo sh; fi ; fi)
+
+-HOSTCC       = gcc
+-HOSTCXX      = g++
+-HOSTCFLAGS   = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu89
+-HOSTCXXFLAGS = -O2
++HOSTCC       ?= gcc
++HOSTCXX      ?= g++
++HOSTCFLAGS   ?= -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu89
++HOSTCXXFLAGS ?= -O2
+
+ ifeq ($(shell $(HOSTCC) -v 2>&1 | grep -c "clang version"), 1)
+ HOSTCFLAGS  += -Wno-unused-value -Wno-unused-parameter \

+--
+2.8.1
+
--
git-series 0.8.9
--
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