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All other mk files use the package variable consistently except for the two instances here, which have always been here, since depends was introduced in 0.10.
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f9af3ced1c69d65c5c530ec5526f5eefaf786126 Android: add all arch support (Block Mechanic)
d419ca7e32bfc71e8dd1f1b91870463eacd6ad8e depends: export dynamic JNI symbols from static qtforandroid.a (Igor Cota)
ed30684d03d3a1d5496e69c488d848fe92ae6fb4 Qt: patch androidjnimain.cpp to make sure JNI is initialised when statically compiled (Igor Cota)
e4c319e8a1c6e40a953036b942bd5d732b0bbf69 builds: remove superfluous config_opts_aarch64_android (Igor Cota)
24ffef0c271739a2ca75feecb816f3218c1850bf Patch libevent when building for Android (fix arc4random_addrandom) (Igor Cota)
f1e40b3e7114b18bc03f45c3a97f9f673543ddef Update bitcoin_qt.m4 (BlockMechanic)
b4057d82618a21720f39f448b689cebf475cc2dc Define TARGET_OS when host is android (Igor Cota)
80b475f159525737e242161397f35d0729449545 Fix Android zlib cross compilation issue (https://stackoverflow.com/questions/21396988/zlib-build-not-configuring-properly-with-cross-compiler-ignores-ar) (Igor Cota)
45f82190150b3feef333724ea7395ba080e700b1 Add full Android build example command and instructions on getting SDK/NDK (Igor Cota)
b68f2a68c211aa2264e9ca824d10a90f4a5a5af4 Add config opts and patch for aarch64_android build of Qt (Igor Cota)
9c4cb0166e801471f8cb3d82656c86bacf051db6 Add ranlib to android.mk hosts file (fix OSX Android NDK build) (Igor Cota)
c2a749c9c16697e744ecfb283fdf4095d0278066 Add example Android host-platform-triplet and options (Igor Cota)
0b0cff3c61610fb56f8c5c9451ace01598117a8d Add support for building Android dependencies (Igor Cota)
Pull request description:
This allows one to build the dependencies with the Android SDK and goes towards fixing #11844. It has been tested to work with:
`make HOST=aarch64-linux-android ANDROID_API_LEVEL=28 ANDROID_TOOLCHAIN_BIN=/home/user/Android/Sdk/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64/bin NO_QT=1 NO_WALLET=1`
ACKs for top commit:
Sjors:
ACK f9af3ce. I'm OK with merging and then improving later.
Tree-SHA512: cb805115ebe5c9e33db2bf3eab8628808fe3f50052053d8877d8b8e4406d6fea1ed9e5c4dff85d777fb99c81be6ffb9d95a0e6d32344e728e5e0da6c653e2ce7
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The ancient "darwin-4.9.1" profile has long been used to match against
clang, which prior to version 9, reported 4.9.1 as its version when
invoking "clang++ -dumpversion". Presumably this was a historical
compatibility quirk related to Apple's switch from gcc to clang.
This was "fixed" in clang 9.0, so that -dumpversion reports the real
version. Unfortunately that had the side-effect of breaking the
(brittle) boost compiler detection.
Move to the seemingly more-correct "clang-darwin" profile, which passes
the checks and builds correctly.
Also switch to using ar rather than libtool for archiving, as it's what
the clang-darwin profile expects to be using.
Note that because this is using a different profile, some of the final
command-line arguments end up changing. The changes look sane at a
glance.
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Add support for armv7a, i686 and x86_64 archs to android.mk
Add -fPIC to depends file as anddroid requires it see https://stackoverflow.com/questions/30498776/position-independent-executables-and-android
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Boost assumes variadic templates are always available in GCC 4.4+, but
they aren't since we don't build with -std=c++11.
This applies the patch that fixed the issue in boost 1.57:
https://github.com/boostorg/config/commit/eec808554936ae068b23df07ab54d4dc6302a695
See also: https://svn.boost.org/trac/boost/ticket/10500
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This avoids textrels, and matches previous gitian behavior.
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tl;dr: This solves boost visibility problems for default/release build configs
on non-Linux platforms.
When Bitcoin builds against boost's header-only classes, it ends up with
objects containing symbols that the upstream boost libs also have. Since
Bitcoin builds by default with hidden symbol visibility, it can end up trying
to link against a copy of the same symbols with default visibility.
This is not a problem on Linux because 3rd party static libs are un-exported
by default (--exclude-libs,ALL), but that is not available for MinGW and OSX.
Those platforms (and maybe others?) end up confused about which version to use.
The OSX linker spews hundreds of: "ld: warning: direct access in <foo> to
global weak symbol guard variable for <bar> means the weak symbol cannot be
overridden at runtime. This was likely caused by different translation units
being compiled with different visibility settings."
MinGW's linker complains similarly.
Since the default symbol visibility for Bitcoin is hidden and releases are
built that way as well, build Boost with hidden visibility. Linux builds Boost
this way also, but only for the sake of continuity.
This means that the linker confusion logic is reversed, so the problem will
will now be encountered if Bitcoin is built with --disable-reduce-exports, but
that's better than the current situation.
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Also hook up cppflags there, which was missing before.
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See the README's in depends for documentation
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