Add support for modular build structure.

.github/workflows/ci.yml

@@ -7,12 +7,12 @@
 name: CI
 on: [ push, pull_request ]
 jobs:
-  ubuntu-focal:
-    runs-on: ubuntu-20.04
+  ubuntu:
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        compiler: [ g++-9, g++-10, clang++-10 ]
+        compiler: [ g++-13, g++-14, clang++-19 ]
     steps:
       - uses: actions/checkout@v2
         with:
@@ -24,10 +24,8 @@ jobs:
           fail-fast: true
       - name: Set TOOLSET
         run: echo ${{ matrix.compiler }} | awk '/^g/ { print "TOOLSET=gcc" } /^clang/ { print "TOOLSET=clang" }' >> $GITHUB_ENV
-      - name: Add repository
-        run: sudo apt-add-repository -y "ppa:ubuntu-toolchain-r/test"
       - name: Install packages
-        run: sudo apt install g++-9 g++-10 clang-10 mpich
+        run: sudo apt install g++-13 g++-14 clang-19 mpich
       - name: Checkout main boost
         run: git clone -b develop --depth 1 https://github.com/boostorg/boost.git ../boost-root
       - name: Update tools/boostdep
@@ -54,53 +52,6 @@ jobs:
       - name: Test
         run: ../../../b2 toolset=$TOOLSET cxxstd=03,11,14,17,2a
         working-directory: ../boost-root/libs/graph_parallel/test
-  ubuntu-bionic:
-    runs-on: ubuntu-18.04
-    strategy:
-      fail-fast: false
-      matrix:
-        compiler: [ g++-7, g++-8, clang++-7, clang++-8 ]
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          fetch-depth: '0'
-      - uses: mstachniuk/ci-skip@v1
-        with:
-          commit-filter: '[skip ci];[ci skip];[CI SKIP];[SKIP CI];***CI SKIP***;***SKIP CI***;[windows];[Windows];[WINDOWS];[apple];[Apple];[APPLE]'
-          commit-filter-separator: ';'
-          fail-fast: true
-      - name: Set TOOLSET
-        run: echo ${{ matrix.compiler }} | awk '/^g/ { print "TOOLSET=gcc" } /^clang/ { print "TOOLSET=clang" }' >> $GITHUB_ENV
-      - name: Add repository
-        run: sudo apt-add-repository -y "ppa:ubuntu-toolchain-r/test"
-      - name: Install packages
-        run: sudo apt install g++-7 g++-8 clang-7 clang-8 mpich
-      - name: Checkout main boost
-        run: git clone -b develop --depth 1 https://github.com/boostorg/boost.git ../boost-root
-      - name: Update tools/boostdep
-        run: git submodule update --init tools/boostdep
-        working-directory: ../boost-root
-      - name: Copy files
-        run: cp -r $GITHUB_WORKSPACE/* libs/graph_parallel
-        working-directory: ../boost-root
-      - name: Install deps
-        run: python tools/boostdep/depinst/depinst.py graph_parallel
-        working-directory: ../boost-root
-      - name: Bootstrap
-        run: ./bootstrap.sh
-        working-directory: ../boost-root
-      - name: Generate headers
-        run: ./b2 headers
-        working-directory: ../boost-root
-      - name: Generate user config
-        run: 'echo "using $TOOLSET : : ${{ matrix.compiler }} ;" > ~/user-config.jam && echo "using mpi ;" >> ~/user-config.jam'
-        working-directory: ../boost-root
-      - name: Config info install
-        run: ../../../b2 print_config_info toolset=$TOOLSET cxxstd=03,11,14,17
-        working-directory: ../boost-root/libs/config/test
-      - name: Test
-        run: ../../../b2 toolset=$TOOLSET cxxstd=03,11,14,17
-        working-directory: ../boost-root/libs/graph_parallel/test
   macos:
     runs-on: macos-latest
     strategy:

build.jam

@@ -0,0 +1,47 @@
+# Copyright René Ferdinand Rivera Morell 2024
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+require-b2 5.2 ;
+
+constant boost_dependencies :
+    /boost/algorithm//boost_algorithm
+    /boost/assert//boost_assert
+    /boost/concept_check//boost_concept_check
+    /boost/config//boost_config
+    /boost/container_hash//boost_container_hash
+    /boost/core//boost_core
+    /boost/detail//boost_detail
+    /boost/dynamic_bitset//boost_dynamic_bitset
+    /boost/filesystem//boost_filesystem
+    /boost/foreach//boost_foreach
+    /boost/function//boost_function
+    /boost/graph//boost_graph
+    /boost/iterator//boost_iterator
+    /boost/lexical_cast//boost_lexical_cast
+    /boost/mpi//boost_mpi
+    /boost/mpl//boost_mpl
+    /boost/optional//boost_optional
+    /boost/property_map//boost_property_map
+    /boost/property_map_parallel//boost_property_map_parallel
+    /boost/random//boost_random
+    /boost/serialization//boost_serialization
+    /boost/smart_ptr//boost_smart_ptr
+    /boost/static_assert//boost_static_assert
+    /boost/tuple//boost_tuple
+    /boost/type_traits//boost_type_traits
+    /boost/variant//boost_variant ;
+
+project /boost/graph_parallel
+    ;
+
+explicit
+    [ alias boost_graph_parallel : build//boost_graph_parallel ]
+    [ alias all : boost_graph_parallel example test ]
+    ;
+
+call-if : boost-library graph_parallel
+    : install boost_graph_parallel
+    ;
+

build/Jamfile.v2

@@ -6,19 +6,21 @@
 
 import mpi ;
 
-project boost/graph_parallel
+project
+    : common-requirements <include>../include <library>$(boost_dependencies)
     : requirements <include>../src
     : source-location ../src
+    : usage-requirements <define>BOOST_GRAPH_PARALLEL_NO_LIB=1
     ;
 
 local optional_sources ;
 local optional_reqs ;
 
 if [ mpi.configured ]
-{    
+{
   lib boost_graph_parallel
     : mpi_process_group.cpp tag_allocator.cpp
-    : <library>../../mpi/build//boost_mpi
+    : <library>/boost/mpi//boost_mpi
       <library>/mpi//mpi [ mpi.extra-requirements ]
       <define>BOOST_GRAPH_NO_LIB=1
       <link>shared:<define>BOOST_GRAPH_DYN_LINK=1
@@ -33,11 +35,13 @@ if [ mpi.configured ]
 }
 else
 {
-  message boost_graph_parallel
+  alias boost_graph_parallel ;
+  if ! ( --without-graph_parallel in  [ modules.peek : ARGV ] )
+  {
+    message boost_graph_parallel
       : "warning: Graph library does not contain MPI-based parallel components."
       : "note: to enable them, add \"using mpi ;\" to your user-config.jam."
       : "note: to suppress this message, pass \"--without-graph_parallel\" to bjam."
       ;
+  }
 }
-
-boost-install boost_graph_parallel ;

example/Jamfile.v2

@@ -5,9 +5,12 @@
 #          http://www.boost.org/LICENSE_1_0.txt)
 
 
-project : requirements <library>../build//boost_graph_parallel 
-    <library>../../system/build//boost_system
-    <library>../../mpi/build//boost_mpi
+using python ;
+
+project : requirements <library>/boost/graph_parallel//boost_graph_parallel
+    <library>/boost/system//boost_system
+    <library>/boost/mpi//boost_mpi
+    <library>/python//python
     ;
 
 exe breadth_first_search : breadth_first_search.cpp ;

test/Jamfile.v2

@@ -2,15 +2,18 @@
 # (C) Copyright 2005, 2006 Trustees of Indiana University
 # (C) Copyright 2005 Douglas Gregor
 #
-# Distributed under the Boost Software License, Version 1.0. (See accompanying 
+# Distributed under the Boost Software License, Version 1.0. (See accompanying
 # file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
 
+using python ;
 
-# use-project /boost/mpi : ../build ;
+project /boost/graph_parallel/test
+    : requirements
+        <library>/boost/graph_parallel//boost_graph_parallel
+        <library>/boost/system//boost_system
+        <library>/python//python
+    ;
 
-project /boost/graph_parallel/test 
-    : requirements <library>../build//boost_graph_parallel <library>../../system/build//boost_system ;
-
 import mpi : mpi-test ;
 
 if [ mpi.configured ]
@@ -46,4 +49,3 @@ test-suite graph_parallel
 }
 
 build-project ../example ;
-