Merge #16367: Multiprocess build support

b919efadff3d0393f4a8c3c1dc735f7ac5c665bb depends: Use default macos clang compiler (Russell Yanofsky)
d54f64c6c700be0604190f52c84fc5f1cdd9f02f Add multiprocess travis configuration (Russell Yanofsky)
787f40668dc15980c3d6de028d7950c08175d84a Set LD_LIBRARY_PATH consistently in travis tests (Russell Yanofsky)
d6306466626635e6fee44385e6a688c8dc118eb5 libmultiprocess depends build (Russell Yanofsky)
e6e44eedd56ecaf59f3fabf8e07ab7dee0ddb1b6 Multiprocess build changes (Russell Yanofsky)

Pull request description:

  This PR is part of the [process separation project](https://github.com/bitcoin/bitcoin/projects/10).

  This splits autotools, depends build, and travis changes out of #10102, so code changes and build system changes can be reviewed separately.

ACKs for top commit:
  hebasto:
    re-ACK b919efadff3d0393f4a8c3c1dc735f7ac5c665bb, rebased only since my [previous](https://github.com/bitcoin/bitcoin/pull/16367#issuecomment-605514556) review.

Tree-SHA512: ebc5e403cc99a0d9629ed7fe1595e01d57e6d1255cbf03968a3196ff6f528f734c78060fdc065724ee1f923bcc5aa2b29470fcb36a7f15957eb57c76d58178a4

7 files changed, 88 insertions, 1 deletions

diff --git a/depends/packages/boost.mk b/depends/packages/boost.mk
index cbe4fe4d97..970c81041e 100644
--- a/depends/packages/boost.mk
+++ b/depends/packages/boost.mk
@@ -1,7 +1,7 @@
 package=boost
 $(package)_version=1_70_0
 $(package)_download_path=https://dl.bintray.com/boostorg/release/1.70.0/source/
-$(package)_file_name=$(package)_$($(package)_version).tar.bz2
+$(package)_file_name=boost_$($(package)_version).tar.bz2
 $(package)_sha256_hash=430ae8354789de4fd19ee52f3b1f739e1fba576f0aded0897c3c2bc00fb38778
 
 define $(package)_set_vars
diff --git a/depends/packages/capnp.mk b/depends/packages/capnp.mk
new file mode 100644
index 0000000000..360cedd63f
--- /dev/null
+++ b/depends/packages/capnp.mk
@@ -0,0 +1,17 @@
+package=capnp
+$(package)_version=$(native_$(package)_version)
+$(package)_download_path=$(native_$(package)_download_path)
+$(package)_file_name=$(native_$(package)_file_name)
+$(package)_sha256_hash=$(native_$(package)_sha256_hash)
+
+define $(package)_config_cmds
+  $($(package)_autoconf)
+endef
+
+define $(package)_build_cmds
+  $(MAKE)
+endef
+
+define $(package)_stage_cmds
+  $(MAKE) DESTDIR=$($(package)_staging_dir) install
+endef
diff --git a/depends/packages/libmultiprocess.mk b/depends/packages/libmultiprocess.mk
new file mode 100644
index 0000000000..91798f676a
--- /dev/null
+++ b/depends/packages/libmultiprocess.mk
@@ -0,0 +1,18 @@
+package=libmultiprocess
+$(package)_version=$(native_$(package)_version)
+$(package)_download_path=$(native_$(package)_download_path)
+$(package)_file_name=$(native_$(package)_file_name)
+$(package)_sha256_hash=$(native_$(package)_sha256_hash)
+$(package)_dependencies=native_$(package) boost capnp
+
+define $(package)_config_cmds
+  cmake -DCMAKE_INSTALL_PREFIX=$($($(package)_type)_prefix)
+endef
+
+define $(package)_build_cmds
+  $(MAKE)
+endef
+
+define $(package)_stage_cmds
+  $(MAKE) DESTDIR=$($(package)_staging_dir) install
+endef
diff --git a/depends/packages/native_boost.mk b/depends/packages/native_boost.mk
new file mode 100644
index 0000000000..b9e6253772
--- /dev/null
+++ b/depends/packages/native_boost.mk
@@ -0,0 +1,13 @@
+package=native_boost
+$(package)_version=$(boost_version)
+$(package)_download_path=$(boost_download_path)
+$(package)_file_name=$(boost_file_name)
+$(package)_sha256_hash=$(boost_sha256_hash)
+
+define $(package)_config_cmds
+  ./bootstrap.sh --prefix=$($($(package)_type)_prefix) --with-libraries=headers
+endef
+
+define $(package)_stage_cmds
+  ./b2 -d0 --prefix=$($(package)_staging_prefix_dir) install
+endef
diff --git a/depends/packages/native_capnp.mk b/depends/packages/native_capnp.mk
new file mode 100644
index 0000000000..ed5a6deee2
--- /dev/null
+++ b/depends/packages/native_capnp.mk
@@ -0,0 +1,18 @@
+package=native_capnp
+$(package)_version=0.7.0
+$(package)_download_path=https://capnproto.org/
+$(package)_download_file=capnproto-c++-$($(package)_version).tar.gz
+$(package)_file_name=capnproto-cxx-$($(package)_version).tar.gz
+$(package)_sha256_hash=c9a4c0bd88123064d483ab46ecee777f14d933359e23bff6fb4f4dbd28b4cd41
+
+define $(package)_config_cmds
+  $($(package)_autoconf)
+endef
+
+define $(package)_build_cmds
+  $(MAKE)
+endef
+
+define $(package)_stage_cmds
+  $(MAKE) DESTDIR=$($(package)_staging_dir) install
+endef
diff --git a/depends/packages/native_libmultiprocess.mk b/depends/packages/native_libmultiprocess.mk
new file mode 100644
index 0000000000..94da1377a3
--- /dev/null
+++ b/depends/packages/native_libmultiprocess.mk
@@ -0,0 +1,18 @@
+package=native_libmultiprocess
+$(package)_version=1d630f536d43d1fdba028f2cfccf49bc27da92db
+$(package)_download_path=https://github.com/chaincodelabs/libmultiprocess/archive
+$(package)_file_name=$($(package)_version).tar.gz
+$(package)_sha256_hash=f43183ccf59fa7596d113e56518563673f5823a721974b4058d8778ef53bd476
+$(package)_dependencies=native_boost native_capnp
+
+define $(package)_config_cmds
+  cmake -DCMAKE_INSTALL_PREFIX=$($($(package)_type)_prefix)
+endef
+
+define $(package)_build_cmds
+  $(MAKE)
+endef
+
+define $(package)_stage_cmds
+  $(MAKE) DESTDIR=$($(package)_staging_dir) install
+endef
diff --git a/depends/packages/packages.mk b/depends/packages/packages.mk
index 42dbaa77a6..9c56d3e978 100644
--- a/depends/packages/packages.mk
+++ b/depends/packages/packages.mk
@@ -16,6 +16,9 @@ zmq_packages=zeromq
 
 upnp_packages=miniupnpc
 
+multiprocess_packages = libmultiprocess capnp
+multiprocess_native_packages = native_libmultiprocess native_boost native_capnp
+
 darwin_native_packages = native_biplist native_ds_store native_mac_alias
 
 ifneq ($(build_os),darwin)