PKGBUILD was missing quite a bit to successfully build. #4

EndlessEden · 2021-01-25T13:54:36Z

makedepends: Added dtc
toolchain: x86_64 hosts fail to build with gcc-10 toolchain, only successful build i had against 2020.03, were against the arm-specific gcc-8.2-2019.01 (aarch64-linux-gnu + arm-eabi) toolchains. Since gcc-82 is not available for x86_64(archlinux) and building against aarch64-linux-gnu-10 + gcc-arm-none-eabi-bin-82 doesnt work (see Kernel wont boot #2 (comment) ) I added the arm toolchain into the source array, and build against it.

as Arm doesnt provide toolchains for aarch64 hosts, only x86 and x86_64, gcc-arm-none-eabi for aarch64 hosts was added to makedepends conditionally; ill add the gcc-arm-none-eabi package to the aur later, as im still working on it.

flags: unset doesnt seem to actually unset makepkg.conf flags for some reason, added conditional statement to ensure that the flags are unset so it will build
Also re-exported path update for toolchain(See 2.), as make was ignoring the globally exported path variable set earlier.

…minary depnds for aarch64 hosts.

jakogut · 2021-01-25T17:39:54Z

PKGBUILD

 url='http://www.denx.de/wiki/U-Boot/WebHome'
 license=('GPL')
 backup=('boot/boot.txt' 'boot/boot.scr')
-makedepends=('bc' 'git')
+makedepends=('bc' 'git' 'dtc')


Good change, this is required by u-boot.

jakogut · 2021-01-25T17:44:26Z

PKGBUILD

@@ -9,11 +9,12 @@ pkgver=2021.01
 pkgrel=1
 _srcname=u-boot-${pkgver}
 pkgdesc="U-Boot for Orange Pi 4"
-arch=('aarch64')
+arch=('x86_64' 'aarch64')


arch specifies the architectures the PKGBUILD is "intended to build and work on." The RK3399 is aarch64 only.

this uboot version cannot be built in qemu for aarch64; there is a memory mapping error the compiler throws. (I don't have logs off-hand) | i can remove this, and further x86_64 relative flags. But there will be no way to compile it without the physical hardware. Without a updated and existing package to install, users will be left with no way to use this.

jakogut · 2021-01-25T17:44:51Z

PKGBUILD

 url='http://www.denx.de/wiki/U-Boot/WebHome'
 license=('GPL')
 backup=('boot/boot.txt' 'boot/boot.scr')
-makedepends=('bc' 'git')
+makedepends=('bc' 'git' 'dtc')
+options=(!distcc !strip !ccache)


I don't see any reason to override the user's configs here.

strip breaks cross compiling and provides no benefit outside of binary sizes afaik; Will remove, but advising my reason for admission.
distcc and ccache is a uncaught mistake, a leftover from the testing environment; will remove.

jakogut · 2021-01-25T17:54:15Z

PKGBUILD

+PHOST="$CARCH"	
+case "$CARCH" in	
+    aarch64) makedepends+=('gcc-arm-none-eabi' 'gcc')	
+            ;;	
+    x86_64) source+=('gcc-arm-8.2-2019.01-x86_64-arm-eabi.tar.xz::https://developer.arm.com/-/media/Files/downloads/gnu-a/8.2-2019.01/gcc-arm-8.2-2019.01-x86_64-arm-eabi.tar.xz?revision=72b9b9ec-30c5-4543-ae95-3d840eb01dae&la=en&hash=C898D59AC42008ED0527538ADF200C11F3E8F53A'	
+             'gcc-arm-8.2-2019.01-x86_64-aarch64-linux-gnu.tar.xz::https://developer.arm.com/-/media/Files/downloads/gnu-a/8.2-2019.01/gcc-arm-8.2-2019.01-x86_64-aarch64-linux-gnu.tar.xz?revision=21270570-4ec0-4bad-a9e1-09707614066a&la=en&hash=AFEDF645AF5B94336DB4E1E608806CEC87A02B8A')	
+            md5sums+=('fc11c4f55085c613133d7527a00fed8a'	
+                      'ed467a18abc7cf81d53c0cf6014b1867')          	
+            _pkgarch="aarch64"	
+            CARCH="aarch64"	
+            CHOST="aarch64-linux-gnu-"	
+            export PATH="${srcdir}/aarch64/bin:${PATH}"	
+            export ARCH='aarch64'	
+            export CROSS_COMPILE='aarch64-linux-gnu-'	
+            ;;	
+esac	
+
 prepare() {
  cd ${srcdir}/${_srcname}
  patch -p1 -i ../add-board-orangepi-4.patch
+
+  if [ -e ${srcdir}/gcc-arm-8.2-2019.01-x86_64-aarch64-linux-gnu.tar.xz ]; then	
+    if [ -d ${srcdir}/aarch64 ]; then	
+        rm -r ${srcdir}/aarch64 	
+    fi	
+    echo "Preparing Cross-Compilers"	
+    cd ${srcdir}/	
+    mkdir aarch64	
+    cd aarch64	
+    cp -r ../gcc-arm-8.2-2019.01-x86_64-aarch64-linux-gnu/* ./	
+    cp -r ../gcc-arm-8.2-2019.01-x86_64-arm-eabi/* ./	
+    echo "symbolic linking arm-eabi to arm-none-eabi"	
+    cd bin	
+    ln -s arm-eabi-addr2line arm-none-eabi-addr2line	
+    ln -s arm-eabi-c++filt arm-none-eabi-c++filt	
+    ln -s arm-eabi-gcc arm-none-eabi-gcc	
+    ln -s arm-eabi-gcc-ranlib arm-none-eabi-gcc-ranlib	
+    ln -s arm-eabi-gdb arm-none-eabi-gdb	
+    ln -s arm-eabi-ld.bfd arm-none-eabi-ld.bfd	
+    ln -s arm-eabi-ranlib arm-none-eabi-ranlib	
+    ln -s arm-eabi-strip arm-none-eabi-strip	
+    ln -s arm-eabi-ar arm-none-eabi-ar	
+    ln -s arm-eabi-cpp arm-none-eabi-cpp	
+    ln -s arm-eabi-gcc-8.2.1 arm-none-eabi-gcc-8.2.1	
+    ln -s arm-eabi-gcov arm-none-eabi-gcov	
+    ln -s arm-eabi-gfortran arm-none-eabi-gfortran	
+    ln -s arm-eabi-nm arm-none-eabi-nm	
+    ln -s arm-eabi-readelf arm-none-eabi-readelf	
+    ln -s arm-eabi-as arm-none-eabi-as	
+    ln -s arm-eabi-elfedit arm-none-eabi-elfedit	
+    ln -s arm-eabi-gcc-ar arm-none-eabi-gcc-ar	
+    ln -s arm-eabi-gcov-dump arm-none-eabi-gcov-dump	
+    ln -s arm-eabi-gprof arm-none-eabi-gprof	
+    ln -s arm-eabi-objcopy arm-none-eabi-objcopy	
+    ln -s arm-eabi-size arm-none-eabi-size	
+    ln -s arm-eabi-c++ arm-none-eabi-c++	
+    ln -s arm-eabi-g++ arm-none-eabi-g++	
+    ln -s arm-eabi-gcc-nm arm-none-eabi-gcc-nm	
+    ln -s arm-eabi-gcov-tool arm-none-eabi-gcov-tool	
+    ln -s arm-eabi-ld arm-none-eabi-ld	
+    ln -s arm-eabi-objdump arm-none-eabi-objdump	
+    ln -s arm-eabi-strings arm-none-eabi-strings	
+  fi	


I think downloading and configuring a cross compiler is out of the scope of this PKGBUILD. I personally create a separate makepkg config, such as /etc/makepkg-arm64.conf like so:

source /etc/makepkg.conf CARCH="aarch64" CHOST="aarch64-linux-gnu" export ARCH='arm64' export CROSS_COMPILE='aarch64-linux-gnu-' CPPFLAGS="" CFLAGS="-march=armv8-a -O2 -pipe -fstack-protector-strong -fno-plt" CXXFLAGS="-march=armv8-a -O2 -pipe -fstack-protector-strong -fno-plt" LDFLAGS=""

Then I make a little script to run makepkg with this config, such as /usr/bin/makepkg-arm64:

#!/bin/bash makepkg --config "/etc/makepkg-arm64.conf" "$@"

This way the toolchain can be installed and updated from the Arch repos (aarch64-linux-gnu-gcc in this case), and you can cross compile other packages as well.

@jakogut - The problem lies with it failing to compile for bare-metal with any other toolchain(See: ARM-software/tf-issues#650) on non-aarch64 hosts. This includes building the same toolchain from source.

Apologize, apparently my brain is mush with lack of sleep. | x86_64 hosts cannot compile without that toolchain for initial package creation, as qemu cannot create bare-metal binaries due to a memory mapping error(see above) | i have no problem removing these as it was exclusive for the cross-compiling, and they can be added to a custom makepkg config, as you specified.

Although, id recommend adding notes, as that specific version of the toolchain is the ONLY compatible compiler on x86_64/x86(i686)

jakogut · 2021-01-25T17:55:29Z

PKGBUILD

+    CPPFLAGS=""	
+    CFLAGS=""	
+    CXXFLAGS=""	
+    LDFLAGS=""	


These are already unset above.

unset doesnt work currently, its ignored.

…toolchain; moved to extlinux config; removed boot.txt/mkscr -- Some undocumented changes may exist.

Added missing depends, Fixed building on x86_64 hosts and added preli…

a79bc4f

…minary depnds for aarch64 hosts.

EndlessEden mentioned this pull request Jan 25, 2021

Kernel wont boot #2

Open

jakogut requested changes Jan 25, 2021

View reviewed changes

Updated to 2023.01; Added support for OrangePI 4 LTS; updated x86_64 …

1601a55

…toolchain; moved to extlinux config; removed boot.txt/mkscr -- Some undocumented changes may exist.

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PKGBUILD was missing quite a bit to successfully build. #4

PKGBUILD was missing quite a bit to successfully build. #4

EndlessEden commented Jan 25, 2021

jakogut Jan 25, 2021

jakogut Jan 25, 2021

EndlessEden Feb 6, 2021

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EndlessEden Feb 6, 2021

jakogut Jan 25, 2021 •

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EndlessEden Jan 28, 2021

PKGBUILD was missing quite a bit to successfully build. #4

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PKGBUILD was missing quite a bit to successfully build. #4

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jakogut Jan 25, 2021 •

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