Bump clang from 9 to 10 and get rid of -stdlib=libc++ here and there.

Let's use libstdc++ for now, since I'm not able to get v8 working with
the system libc++, and the embedded libc++ that comes with v8 doesn't
play well with caf for some reason.

allegro5/Makefile

 	                   libpng-dev libjpeg-dev libfreetype6-dev \
 	                   libxrandr-dev libxinerama-dev libxi-dev \
 	                   libgtk2.0-dev
-	update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-9 40
-	update-alternatives --install /usr/bin/cc cc /usr/bin/clang-9 40
-	update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-9 40
-	update-alternatives --install /usr/bin/clang clang /usr/bin/clang-9 40
-	update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-9 40
+	update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-10 40
+	update-alternatives --install /usr/bin/cc cc /usr/bin/clang-10 40
+	update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-10 40
+	update-alternatives --install /usr/bin/clang clang /usr/bin/clang-10 40
+	update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-10 40
 	# static build
 	pushd allegro5 && \
 	cmake -DCMAKE_BUILD_TYPE=release -DCMAKE_INSTALL_PREFIX=$$PWD/allegro5_static -DSHARED=off -DSTATIC=on -DWANT_FFMPEG=off -DWANT_TTF=on . && \

benchmarklib/Makefile

 	make package
 
 impl:
-	update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-9 40
-	update-alternatives --install /usr/bin/cc cc /usr/bin/clang-9 40
-	update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-9 40
-	update-alternatives --install /usr/bin/clang clang /usr/bin/clang-9 40
-	update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-9 40
+	update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-10 40
+	update-alternatives --install /usr/bin/cc cc /usr/bin/clang-10 40
+	update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-10 40
+	update-alternatives --install /usr/bin/clang clang /usr/bin/clang-10 40
+	update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-10 40
 	# TODO install boost from apt repo
 	# if [[ -f CMakeCache.txt ]]; then rm CMakeCache.txt; fi
 	dpkg -i boost/pkg/*.deb

boost/Makefile

 	make package
 
 impl:
-	update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-9 40
-	update-alternatives --install /usr/bin/cc cc /usr/bin/clang-9 40
-	update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-9 40
-	update-alternatives --install /usr/bin/clang clang /usr/bin/clang-9 40
-	update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-9 40
+	update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-10 40
+	update-alternatives --install /usr/bin/cc cc /usr/bin/clang-10 40
+	update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-10 40
+	update-alternatives --install /usr/bin/clang clang /usr/bin/clang-10 40
+	update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-10 40
 	pushd boost_1_72_0 && \
 	mkdir -p target && \
 	CXX=$$(which c++) ./bootstrap.sh --prefix=$$PWD/target/ --with-toolset=clang && \
 	./b2 clean && \
-	./b2 --prefix=$$PWD/target/ toolset=clang cxxflags="-D_GLIBCXX_USE_CXX11_ABI=0 -stdlib=libc++ -std=c++17" linkflags="-stdlib=libc++" || true
+	# with stdlib:
+	#./b2 --prefix=$$PWD/target/ toolset=clang cxxflags="-D_GLIBCXX_USE_CXX11_ABI=0 -stdlib=libc++ -std=c++17" linkflags="-stdlib=libc++" || true
+	# without:
+	./b2 --prefix=$$PWD/target/ toolset=clang cxxflags="-D_GLIBCXX_USE_CXX11_ABI=0 -std=c++17" linkflags="" || true
 	#./b2 --prefix=$$PWD/target/ toolset=clang || true
 	# ^ ||true because with clang I saw a few libraries not compile correctly, we can ignore those.
 	#./b2 --with-program_options --prefix=$$PWD/target/ toolset=clang cxxflags="-stdlib=libc++ -std=c++17" linkflags="-stdlib=libc++"

caf/Makefile

 SHELL:=/bin/bash
 
 caf:
-	#git clone https://github.com/rayburgemeestre/actor-framework
 	git clone https://github.com/actor-framework/actor-framework
 	pushd actor-framework && git checkout 0.17.3
 	bash ../ubuntu1804.sh make impl
 	make package
 
 impl:
-	update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-9 40
-	update-alternatives --install /usr/bin/cc cc /usr/bin/clang-9 40
-	update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-9 40
-	update-alternatives --install /usr/bin/clang clang /usr/bin/clang-9 40
-	update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-9 40
+	update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-10 40
+	update-alternatives --install /usr/bin/cc cc /usr/bin/clang-10 40
+	update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-10 40
+	update-alternatives --install /usr/bin/clang clang /usr/bin/clang-10 40
+	update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-10 40
 	pushd actor-framework && \
 	./configure --prefix=$$PWD/caf_out --with-clang=$$(which c++) --build-static-only \
 		--no-examples \

crtmpserver/Makefile

 	apt-get install -y libssl1.0-dev
 	# rm -rf crtmpserver/builders/cmake/CMakeCache.txt
 	# switch to clang 7, crtmpserver build broken with g++
-	update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-9 40
-	update-alternatives --install /usr/bin/cc cc /usr/bin/clang-9 40
-	update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-9 40
-	update-alternatives --install /usr/bin/clang clang /usr/bin/clang-9 40
-	update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-9 40
+	update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-10 40
+	update-alternatives --install /usr/bin/cc cc /usr/bin/clang-10 40
+	update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-10 40
+	update-alternatives --install /usr/bin/clang clang /usr/bin/clang-10 40
+	update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-10 40
 	pushd crtmpserver/builders/cmake && \
 	make clean || true && \
 	rm -rf CMakeCache.txt && \

fastpfor/Makefile

 	make package
 
 impl:
-	update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-9 40
-	update-alternatives --install /usr/bin/cc cc /usr/bin/clang-9 40
-	update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-9 40
-	update-alternatives --install /usr/bin/clang clang /usr/bin/clang-9 40
-	update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-9 40
+	update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-10 40
+	update-alternatives --install /usr/bin/cc cc /usr/bin/clang-10 40
+	update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-10 40
+	update-alternatives --install /usr/bin/clang clang /usr/bin/clang-10 40
+	update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-10 40
 	pushd FastPFor && \
 	CXX=$$(which c++) cmake . && \
 	make -j $$(nproc)

v8pp/Makefile

 	git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git || true
 	# will be factored out at some point
 	git clone https://github.com/pmed/v8pp || true
-	pushd v8pp && git checkout 8ad6c07b13a811d9132c202f48b4a902d5685a98  # master at time of writing
+	pushd v8pp && git checkout 94308b4fcd992fcc8174b0b30a73e58a436819b2  # master at time of writing
 
 	bash ../ubuntu1804.sh make build
 	bash ../ubuntu1804.sh make archive  # outside container not enough permissions
 	make fpm_package
 
 build:
-	update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-9 40
-	update-alternatives --install /usr/bin/cc cc /usr/bin/clang-9 40
-	update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-9 40
-	update-alternatives --install /usr/bin/clang clang /usr/bin/clang-9 40
-	update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-9 40
+	update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-10 40
+	update-alternatives --install /usr/bin/cc cc /usr/bin/clang-10 40
+	update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-10 40
+	update-alternatives --install /usr/bin/clang clang /usr/bin/clang-10 40
+	update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-10 40
 	apt-get update
-	apt-get install pkg-config -y
+	apt-get install pkg-config python2.7 -y
+	cp -prv /usr/bin/python2.7 /usr/bin/python  # stupid depot tool scripts
+	cp -prv /usr/bin/python2.7 /usr/bin/python2  # stupid depot tool scripts
 	./build-v8.sh
 
 archive:
 	# Let's go back to our white-list approach.. let's see...
 	#ar rvs v8.a $$(cat v8-include.txt |xargs -n 1 -I{} find {} -name '*.o')
 	# We no longer use our v8.a, still including it for now.
-	echo all included object files listed below
-	ar rvs v8.a $$(cat v8-include.txt |xargs -n 1 -I{} find {} -name '*.o')
+	# no longer works with newer, missing some files echo all included object files listed below
+	# no longer works with newer, missing some files ar rvs v8.a $$(cat v8-include.txt |xargs -n 1 -I{} find {} -name '*.o')
 	# We'll use this one below..
 	find ./v8/out/x64.release/ -name 'libv8_monolith.a' -type f
 	# We'll also include .so files..
 	mkdir -p out/opt/cppse/build/v8pp/lib
 	mkdir -p out/opt/cppse/build/v8pp/include
 	# Legacy include our own v8.a
-	cp -prv v8.a out/opt/cppse/build/v8pp/lib
+	# no longer works with newer, missing some files cp -prv v8.a out/opt/cppse/build/v8pp/lib
 	cp -prv v8/out/x64.release/obj/libv8_monolith.a out/opt/cppse/build/v8pp/lib
 	# We'll also include .so files..
-	find ./v8/out/x64.release/ -name '*.so' -type f | xargs -n 1 cp -prv -t out/opt/cppse/build/v8pp/lib
+	#echo TEMP find ./v8/out/x64.release/ -name '*.so' -type f | xargs -n 1 cp -prv -t out/opt/cppse/build/v8pp/lib
 	cp -prv v8pp/v8pp out/opt/cppse/build/v8pp/include/
 	cp -prv v8/include out/opt/cppse/build/v8pp/include/v8
 
 	rm -rf v8
 	rm -rf out
 	rm -rf depot_tools
+	rm -rf .gclient
+	rm -rf .gclient_entries
 
 shell:
 	FLAGS="-i --privileged" bash ../ubuntu1804.sh /bin/bash

v8pp/build-v8.sh

 #!/bin/bash
 
+set -ex
+
 export PATH=`pwd`/depot_tools:"$PATH"
 
 # https://github.com/prahladyeri/tuxdrive/issues/3
 pip3 install httplib2 --upgrade
 
 fetch v8
+
+cd v8  # if this fails, exit! hence the set -ex
+
 #gclient sync -r 6.9.427.6  # 55da769bafac8b531cd8b388df56161b8b7c6416
 #gclient sync -r 7.1.69     #
 #gclient sync -r lkgr/6.9
 #gclient sync -r 6.9.427.13 # https://ci.appveyor.com/project/pmed/v8pp
-cd v8
-gclient sync -r 7.5.288.23  # https://github.com/pmed/v8-nuget/
+#gclient sync -r 7.5.288.23  # https://github.com/pmed/v8-nuget/
 #gclient sync -r 8.0.426.15  # stupid test
 #gclient sync -r 7.2.1  # stupid test
-# old version
-# git checkout 5.5.372.7
+gclient sync -r 8.2.297.1  # https://github.com/pmed/v8-nuget/
 
 # Looks like we have to use GN now: https://github.com/v8/v8/wiki/Building-with-GN
 
 #rm -rf out/x64.release
 ./tools/dev/gm.py x64.release
 
+# we don't want std::_Cr, but std::__1 like everybody else is using
+# note that this is only relevant if use_custom_libcxx = true.
+# unfortunately I don't know how to specify v8 to use libc++ from the system
+# I asked a question about this here: https://groups.google.com/forum/#!topic/v8-users/Do5MvAvYFgs
 sed -i.bak 's/_LIBCPP_ABI_VERSION=Cr/_LIBCPP_ABI_VERSION=1/' build/config/c++/BUILD.gn
 
 # workaround, see notes.txt
 echo "v8_enable_embedded_builtins = false"  | tee -a out/x64.release/args.gn
 echo "v8_use_external_startup_data = false" | tee -a out/x64.release/args.gn
 echo "v8_use_snapshot = false"              | tee -a out/x64.release/args.gn
-echo "use_custom_libcxx = true"             | tee -a out/x64.release/args.gn
+# set below to true to make it use libc++ (although it will use the one it is bundled with,
+# and also it will enable unsafe abi stuff, which means basically alpha features afaik)
+echo "use_custom_libcxx = false"             | tee -a out/x64.release/args.gn
 # possibly they use a different version of clang compiling v8.
 # however, I already set my own, probably newer clang version.
 # ran into: https://groups.google.com/forum/#!topic/v8-users/Jb1VSouy2Z0
 # setting to true now, and see if we use this clang on starcry if it works..
 echo "is_clang = true"                     | tee -a out/x64.release/args.gn
 
+# the only remaining issue was: undefined reference to `typeinfo for v8::ArrayBuffer::Allocator'
+# this is the case with (gnu) libstd++ , only remaining issue for me
+# https://github.com/danbev/learning-v8/pull/4
+echo "use_rtti = true"                     | tee -a out/x64.release/args.gn
 
 # produce monolith (single static all in one .a file)
 echo "v8_monolithic = true"                 | tee -a out/x64.release/args.gn
 ninja -C out/x64.release v8_monolith
 
 # produce .so files (shared libs)
-sed -i.bak '/^v8_monolithic/d' out/x64.release/args.gn
-echo "is_component_build = true"            | tee -a out/x64.release/args.gn
-ninja -C out/x64.release
+# temporary disable the .so files (I'm not using them for now, and they are slow to build)
+#sed -i.bak '/^v8_monolithic/d' out/x64.release/args.gn
+#echo "is_component_build = true"            | tee -a out/x64.release/args.gn
+#ninja -C out/x64.release