0001-pi-util-Add-useful-scripts.patch

From 3d04b9bc7c777725938b8b3100797bf15b8500f7 Mon Sep 17 00:00:00 2001
From: John Cox <jc@kynesim.co.uk>
Date: Mon, 19 Aug 2024 17:42:02 +0100
Subject: [PATCH 01/41] pi-util: Add useful scripts



Upstream-Status: Inappropriate

RPI-Distro repo forks original vlc and applies patches

to enable raspiberry pi support.
---

 pi-util/conf_native.sh     | 124 +++++++++++++++++++++++++++++++++++++
 pi-util/genpatch.sh        |  60 ++++++++++++++++++
 pi-util/rebase_liblinks.py |  37 +++++++++++
 3 files changed, 221 insertions(+)
 create mode 100755 pi-util/conf_native.sh
 create mode 100755 pi-util/genpatch.sh
 create mode 100755 pi-util/rebase_liblinks.py

--- /dev/null
+++ b/pi-util/conf_native.sh
@@ -0,0 +1,124 @@
+set -e
+BASE=`pwd`
+OUT_BASE=$BASE/out
+
+DO_BOOTSTRAP=
+DO_MAKE=
+DO_INSTALL=
+SUDO_INSTALL=
+DO_CONFIGURE=1
+USR_PREFIX=
+
+while [ "$1" != "" ] ; do
+    case $1 in
+        --make)
+            DO_MAKE=1
+            DO_CONFIGURE=
+            ;;
+        --install)
+            DO_INSTALL=1
+            DO_MAKE=1
+            DO_CONFIGURE=
+            ;;
+        --bootstrap)
+            DO_BOOTSTRAP=1
+            ;;
+	--usr)
+	    USR_PREFIX=/usr
+	    SUDO_INSTALL=sudo
+	    ;;
+        *)
+            echo "Usage $0: [--bootstrap] [--make|--install] [--usr]"
+            echo "  bootstrap Clean <build dir> then bootstrap before configure"
+            echo "            Will happen automatically if already clean"
+            echo "  make      Do make after configure"
+            echo "  install   Do make and install after configure"
+	    echo "  usr       Set install dir to /usr"
+	    echo "            Default is <build dir>/install for testing"
+            exit 1
+            ;;
+    esac
+    shift
+done
+
+if [ ! -f $BASE/configure ]; then
+  echo "configure not found - will bootstrap"
+  DO_BOOTSTRAP=1
+fi
+
+CONF_MMAL=--disable-mmal
+
+# uname -m gives kernel type which may not have the same
+# 32/64bitness as userspace :-( getconf shoudl provide the answer
+# but use uname to check we are on the right processor
+MC=`uname -m`
+LB=`getconf LONG_BIT`
+if [ "$MC" == "armv7l" ] || [ "$MC" == "aarch64" ]; then
+  if [ "$LB" == "32" ]; then
+    #  CONF_MMAL=--enable-mmal-avcodec
+    CONF_MMAL=
+    A=arm-linux-gnueabihf
+    ARM=armv7
+  elif [ "$LB" == "64" ]; then
+    A=aarch64-linux-gnu
+    ARM=arm64
+  else
+    echo "Unknown LONG_BIT name: $LB"
+    exit 1
+  fi
+elif [ "$MC" == "x86_64" ]; then
+    A=x86_64-linux-gnu
+    ARM=x86_64
+else
+  echo "Unknown machine name: $MC"
+  exit 1
+fi
+OUT=$OUT_BASE/$ARM-`lsb_release -sc`-rel
+
+if [ $DO_BOOTSTRAP ]; then
+    echo "==== Bootstrapping & cleaning $OUT"
+    rm -rf $OUT
+    ./bootstrap
+fi
+
+if [ ! -f $OUT/Makefile ]; then
+    DO_CONFIGURE=1
+fi
+
+if [ "$USR_PREFIX" == "" ]; then
+    USR_PREFIX=$OUT/install
+fi
+LIB_PREFIX=$USR_PREFIX/lib/$A
+INC_PREFIX=$USR_PREFIX/include/$A
+
+echo "==== Configuring in $OUT"
+mkdir -p $OUT
+# Nothing under here need worry git - including this .gitignore!
+echo "**" > $OUT_BASE/.gitignore
+
+cd $OUT
+if [ $DO_CONFIGURE ]; then
+    $BASE/configure \
+     --build=$A \
+     --prefix=$USR_PREFIX\
+     --libdir=$LIB_PREFIX\
+     --includedir=$INC_PREFIX\
+     --disable-vdpau\
+     --enable-wayland\
+     --enable-gles2\
+     $CONF_MMAL
+    echo "==== Configured in $OUT"
+fi
+
+if [ $DO_MAKE ]; then
+    echo "==== Making $OUT"
+    make -j8
+    echo "==== Made $OUT"
+fi
+
+if [ $DO_INSTALL ]; then
+    echo "==== Installing to $USR_PREFIX"
+    $SUDO_INSTALL make -j8 install
+    echo "==== Installed in $USR_PREFIX"
+fi
+
--- /dev/null
+++ b/pi-util/genpatch.sh
@@ -0,0 +1,60 @@
+set -e
+
+NOTAG=
+if [ "$1" == "--notag" ]; then
+  shift
+  NOTAG=1
+fi
+
+if [ "$1" == "" ] || [ "$2" != "" ]; then
+  echo Usage: $0 [--notag] \<patch_tag\>
+  echo e.g.: $0 mmal_4
+  exit 1
+fi
+REF=$1
+
+CONFIG_VERSION=`awk '/AC_INIT/{match($0,/[0-9]+(\.[0-9]+)+/);print substr($0,RSTART,RLENGTH)}' configure.ac`
+if [ "$CONFIG_VERSION" == "" ]; then
+  echo Config version not found
+  exit 1
+fi
+
+# Config substitution here really should have escaped '.'s but it isn't
+# really worth it. There is little chance they will cause false +ves
+BRANCH=$(git branch --show-current)
+BRANCH_VERSION=$(echo $BRANCH | awk "{match(\$0, /test\\/(${CONFIG_VERSION}.+)\\/.+/, a); print a[1];}")
+
+if [ "$BRANCH_VERSION" == "" ]; then
+  echo Branch $BRANCH not expected format \(test/${CONFIG_VERSION}*/*\)
+  exit 1
+fi
+
+VERSION=$BRANCH_VERSION
+echo VERSION=$VERSION
+
+if [ $NOTAG ]; then
+  echo Not tagged
+else
+  # Only continue if we are all comitted
+  git diff --name-status --exit-code
+
+  PATCHTAG=pi/$VERSION/$REF
+  echo Tagging: $PATCHTAG
+
+  git tag $PATCHTAG
+fi
+
+DSTDIR=..
+PATCHNAME=vlc-$VERSION-$REF
+DIFFBASE=$DSTDIR/$PATCHNAME
+ZIPNAME=$PATCHNAME-patch.zip
+
+# We seem to sometimes gain add
+echo Generating patches in: $DSTDIR/$ZIPNAME
+
+REFNAME=refs/tags/$VERSION
+PATCHTMP=/tmp/vlc-patches
+rm -rf $PATCHTMP
+mkdir -p $PATCHTMP
+git format-patch --output-directory $PATCHTMP $REFNAME
+zip -j $DSTDIR/$ZIPNAME $PATCHTMP/*
--- /dev/null
+++ b/pi-util/rebase_liblinks.py
@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+
+import os, sys
+from stat import *
+
+def walktree(top, callback, n, prefix):
+    '''recursively descend the directory tree rooted at top,
+       calling the callback function for each regular file'''
+
+    for f in os.listdir(top):
+        pathname = os.path.join(top, f)
+        mode = os.lstat(pathname).st_mode
+        if S_ISDIR(mode):
+            # It's a directory, recurse into it
+            walktree(pathname, callback, n+1, prefix)
+        elif S_ISLNK(mode):
+            # It's a file, call the callback function
+            callback(pathname, os.readlink(pathname), n, prefix)
+
+def visitfile(file, linkname, n, prefix):
+    if (linkname.startswith(prefix + 'lib/')):
+        newlink = "../" * n + linkname[len(prefix):]
+        print('relinking', file, "->", newlink)
+        os.remove(file)
+        os.symlink(newlink, file)
+
+if __name__ == '__main__':
+    argc = len(sys.argv)
+    if argc == 2:
+        walktree(sys.argv[1], visitfile, 0, "/")
+    elif argc == 3:
+        walktree(sys.argv[1], visitfile, 0, sys.argv[2])
+    else:
+        print("rebase_liblinks.py <local root> [<old sysroot>]")
+
+
+