chromium-66.0.3331.2: Rebuild

Make it a release version (is_debug=false) which has a much reduced
number of shared librarise and a several times faster startup.

Improve the script a bit to better support to rerun it in case of
download failures.

chromium-66.0.3331.2-1.build.sh

@@ -0,0 +1,64 @@
+#! /bin/bash
+
+# https://chromium.googlesource.com/chromium/src/+/master/docs/linux_build_instructions.md
+
+PKG=chromium
+VERSION=66.0.3331.2
+BUILD=1
+
+PREFIX=/pkg/$PKG-$VERSION-$BUILD
+#PREFIX=/dev/shm/$PKG-$VERSION-$BUILD
+#PREFIX=/scratch/local2/$PKG-$VERSION-$BUILD
+
+set -xe
+umask 022
+
+BUILD_TMPDIR=/dev/shm/$PKG-$VERSION-$BUILD.build.tmp
+##test -d $BUILD_TMPDIR && (find $BUILD_TMPDIR -type d -not -perm -u=w -exec chmod u=rwx {} \; && rm -rf $BUILD_TMPDIR)
+mkdir -p $BUILD_TMPDIR/home
+export TMPDIR=$BUILD_TMPDIR
+export HOME=$BUILD_TMPDIR/home
+
+exec </dev/null
+
+mkdir -p $PREFIX
+cat >$PREFIX/profile <<-EOF
+	PATH=$PREFIX/bin:\$PATH
+EOF
+. $PREFIX/profile
+
+export MAKEFLAGS="-j $(nproc)"
+
+BUILDDIR=$PREFIX/build
+
+mkdir -p $BUILDDIR
+cd $BUILDDIR
+
+test -d depot_tools || git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git
+
+PATH=$PATH:$PREFIX/build/depot_tools
+
+test -d chromium || mkdir chromium
+cd chromium
+if [ ! -d src ]; then
+    fetch --nohooks chromium
+else
+    gclient --nohooks sync
+fi
+cd src
+git checkout -f $VERSION
+patch -p1 < /src/mariux/patches/chrome-66-Disable-warning-for-missing-API-keys.patch
+gclient runhooks
+
+test -d $PREFIX/bin || mkdir $PREFIX/bin
+test -d out || mkdir out
+
+gn gen out/Default --args="is_debug = false"
+ninja -C out/Default chrome
+
+cp -a out/Default/* $PREFIX/bin/
+strip $PREFIX/bin/chrome
+strip $PREFIX/bin/*.so
+rm $PREFIX/bin/*.TOC
+
+exit