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Subject[RFC PATCH 2/3] kbuild: rpm-pkg: hard-code ARCH in RPM SPEC file
The kernel source package contains the .config, which is ARCH-specific.
Obviously, the target architecture is specified when you create a
source package, instead of build-time.

Record ARCH= in the spec file in order to avoid uncertainty about
what ARCH should be given for building.

Add 'ExclusiveArch' tag to stop building immediately in case a user
tries to build it for an unintended architecture.

Signed-off-by: Masahiro Yamada <>

scripts/package/mkspec | 23 +++++++++++++----------
1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/scripts/package/mkspec b/scripts/package/mkspec
index e05646d..f72c46a 100755
--- a/scripts/package/mkspec
+++ b/scripts/package/mkspec
@@ -26,6 +26,14 @@ if grep -q CONFIG_DRM=y .config; then

+if [ "$ARCH" = ia64 ]; then
+ INSTALL_IMAGE="mkdir -p %{buildroot}/boot/efi
+ cp $KBUILD_IMAGE %{buildroot}/boot/efi/vmlinuz-$KERNELRELEASE
+ ln -s efi/vmlinuz-$KERNELRELEASE %{buildroot}/boot/"
+ INSTALL_IMAGE="cp $KBUILD_IMAGE %{buildroot}/boot/vmlinuz-$KERNELRELEASE"
__KERNELRELEASE=$(echo $KERNELRELEASE | sed -e "s/-/_/g")
EXCLUDES="$RCS_TAR_IGNORE --exclude=.tmp_versions --exclude=*vmlinux* \
@@ -47,6 +55,7 @@ sed -e '/^DEL/d' -e 's/^\t*//' <<EOF
Vendor: The Linux Community
$S Source: kernel-$__KERNELRELEASE.tar.gz
+ ExclusiveArch: $UTS_MACHINE
Provides: $PROVIDES
%define __spec_install_post /usr/lib/rpm/brp-compress || :
%define debug_package %{nil}
@@ -78,19 +87,13 @@ $S %prep
$S %setup -q
$S %build
-$S make %{?_smp_mflags} KBUILD_BUILD_VERSION=%{release}
+$S make %{?_smp_mflags} ARCH=$ARCH KBUILD_BUILD_VERSION=%{release}
mkdir -p %{buildroot}/boot
- %ifarch ia64
- mkdir -p %{buildroot}/boot/efi
- cp \$(make image_name) %{buildroot}/boot/efi/vmlinuz-$KERNELRELEASE
- ln -s efi/vmlinuz-$KERNELRELEASE %{buildroot}/boot/
- %else
- cp \$(make image_name) %{buildroot}/boot/vmlinuz-$KERNELRELEASE
- %endif
-$M make %{?_smp_mflags} INSTALL_MOD_PATH=%{buildroot} KBUILD_SRC= modules_install
- make %{?_smp_mflags} INSTALL_HDR_PATH=%{buildroot}/usr KBUILD_SRC= headers_install
+$M make %{?_smp_mflags} ARCH=$ARCH INSTALL_MOD_PATH=%{buildroot} KBUILD_SRC= modules_install
+ make %{?_smp_mflags} ARCH=$ARCH INSTALL_HDR_PATH=%{buildroot}/usr KBUILD_SRC= headers_install
cp %{buildroot}/boot/$KERNELRELEASE
cp .config %{buildroot}/boot/config-$KERNELRELEASE
bzip2 -9 --keep vmlinux
 \ /
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