On 09/04/16 13:25, Jacco Ligthart wrote:
On 04/09/2016 01:54 PM, Bjarne Saltbæk wrote:
Hi Jacco.
>Question: do we need to 'build' these both on RSEL6 and RSEL7 or is
just once enough? I know it works installing one build on 6 on 7 (and
vice versa). >of course for the main kernel, it doesn't matter. that
is just the upstream compiled thing. it could only matter for the
kernel-devel package.
I am not a developer - but my gut feeling says yes since the kernel is
a static binary build from libraries in the OS.
uhm, no. This kernel is the binary build that's on their git. the only
thing the rpm does is package whatever they build.
(https://github.com/raspberrypi/firmware/)
Are you saying the kernel isn't built from source, but is just
repackaging the binaries provided? Is there no way to build it from
source and only using the binary-only blobs as necessary?
what the upstream kernel misses is the "devel" part. Based on the
upstream binary build we could not compile our own extra modules.
the only build steps are these:
make mrproper
cp arch/arm/configs/bcmrpi_defconfig .config
make olddefconfig
make modules_prepare
actually, most of this should be source code. maybe 'file' can help me here.
Would it be worth looking at what the spec file does? That produces the
devel package, and if the sources are there, the headers should be
packageable.
This is the result of a sort/unique/count of 'file' over all files under
/usr/src/kernel:
1 ASCII C program text, with very long lines
1 a /usr/bin/env python script text executable
1 awk script text executable
1 core file (Xenix)
1 exported SGML document text
1 FORTRAN program
1 lex description text
1 XML document text
2 ASCII assembler program text
2 a /usr/bin/env perl script text executable
3 ASCII text, with very long lines
4 UTF-8 Unicode English text
6 a /usr/bin/python script text executable
7 a /usr/bin/perl script text executable
7 Bourne-Again shell script text executable
7 Python script text executable
11 a /usr/bin/perl -w script text executable
12 ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically
linked (uses shared libs), for GNU/Linux 2.6.32, stripped
22 UTF-8 Unicode Pascal program text
33 POSIX shell script text executable
41 OS/2 REXX batch file text
48 ASCII C++ program text
51 ASCII make commands text
67 ASCII Pascal program text
81 UTF-8 Unicode C program text
1493 ASCII text
1829 ASCII English text
2350 empty
4164 ASCII C program text
everything, but 12 items is just text. those 12 items are:
./scripts/conmakehash: ELF 32-bit
LSB executable, ARM, version 1 (SYSV), dynamically linked (uses shared
libs), for GNU/Linux 2.6.32, stripped
./scripts/basic/bin2c: ELF 32-bit LSB executable, ARM, version 1 (SYSV),
dynamically linked (uses shared libs), for GNU/Linux 2.6.32, stripped
./scripts/basic/fixdep: ELF 32-bit LSB executable, ARM, version 1
(SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.32,
stripped
./scripts/recordmcount: ELF 32-bit LSB executable, ARM, version 1
(SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.32,
stripped
./scripts/kconfig/conf: ELF 32-bit LSB executable, ARM, version 1
(SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.32,
stripped
./scripts/pnmtologo: ELF 32-bit LSB executable, ARM, version 1 (SYSV),
dynamically linked (uses shared libs), for GNU/Linux 2.6.32, stripped
./scripts/kallsyms: ELF 32-bit LSB executable, ARM, version 1 (SYSV),
dynamically linked (uses shared libs), for GNU/Linux 2.6.32, stripped
./scripts/genksyms/genksyms: ELF 32-bit LSB executable, ARM, version 1
(SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.32,
stripped
./scripts/dtc/dtc: ELF 32-bit LSB executable, ARM, version 1 (SYSV),
dynamically linked (uses shared libs), for GNU/Linux 2.6.32, stripped
./scripts/sortextable: ELF 32-bit LSB executable, ARM, version 1 (SYSV),
dynamically linked (uses shared libs), for GNU/Linux 2.6.32, stripped
./scripts/mod/modpost: ELF 32-bit LSB executable, ARM, version 1 (SYSV),
dynamically linked (uses shared libs), for GNU/Linux 2.6.32, stripped
./scripts/mod/mk_elfconfig: ELF 32-bit LSB executable, ARM, version 1
(SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.32,
stripped
I think, based on this, that just once should suffice.
Am I missing something here?
From what I gather, the only thing missing is a suitable .spec file.
Gordan
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