Add support for modular build structure. (#174)

.github/workflows/ci.yml

@@ -78,19 +78,19 @@ jobs:
           cd ..
           git clone -b $BOOST_BRANCH --depth 10 https://github.com/boostorg/boost.git boost-root
           cd boost-root
-          git submodule update --init --depth 10 --jobs 2 tools/boostdep tools/inspect libs/filesystem
+          git submodule update --init --depth 10 --jobs 2 tools/boostdep libs/filesystem tools/inspect
           python tools/boostdep/depinst/depinst.py --git_args "--depth 10 --jobs 3" filesystem
           rm -rf libs/$LIBRARY/*
           cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
           python tools/boostdep/depinst/depinst.py --include benchmark --include example --include examples --include tools --git_args "--depth 10 --jobs 3" $LIBRARY
           ./bootstrap.sh
           ./b2 -d0 headers
-          ./b2 -j4 variant=debug tools/inspect/build
+          ./b2 variant=debug tools/inspect/build
 
       - name: Run tests
         run: |
           cd ../boost-root
-          ./b2 -j3 libs/$LIBRARY/test toolset=${{matrix.toolset}} cxxstd=${{matrix.cxxstd}} variant=debug,release "${{matrix.cxxflags}}" "${{matrix.linkflags}}" "${{matrix.launcher}}"
+          ./b2 libs/$LIBRARY/test toolset=${{matrix.toolset}} cxxstd=${{matrix.cxxstd}} variant=debug,release "${{matrix.cxxflags}}" "${{matrix.linkflags}}" "${{matrix.launcher}}"
           dist/bin/inspect libs/$LIBRARY
 
       - name: Test boost namespace stripping
@@ -172,7 +172,7 @@ jobs:
           git clone -b %BOOST_BRANCH% --depth 10 https://github.com/boostorg/boost.git boost-root
           cd boost-root
           xcopy /s /e /q %GITHUB_WORKSPACE% libs\%LIBRARY%\
-          git submodule update --init tools/boostdep
+          git submodule update --init --depth 10 --jobs 2 tools/boostdep
           python tools/boostdep/depinst/depinst.py --include benchmark --include example --include examples --include tools --git_args "--jobs 3" %LIBRARY%
           cmd /c bootstrap
           b2 -d0 headers

build.jam

@@ -0,0 +1,20 @@
+# Copyright René Ferdinand Rivera Morell 2023-2024
+# 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 ;
+
+project /boost/pfr
+    : common-requirements
+        <include>include
+    ;
+
+explicit
+    [ alias boost_pfr : : : : <library>$(boost_dependencies) ]
+    [ alias all : boost_pfr test ]
+    ;
+
+call-if : boost-library pfr
+    ;
+

doc/Jamfile.v2

@@ -18,7 +18,7 @@ project pfr/doc ;
 
 #
 # Common params for doxygen
-# 
+#
 
 local doxygen_params =
         <doxygen:param>EXTRACT_ALL=NO
@@ -43,8 +43,8 @@ local doxygen_params =
 
 doxygen autodoc_pfr
     :
-        [ glob ../../../boost/pfr.hpp ]
-        [ glob ../../../boost/pfr/*.hpp ]
+        [ glob ../include/boost/pfr.hpp ]
+        [ glob ../include/boost/pfr/*.hpp ]
     :
         $(doxygen_params)
         <xsl:param>"boost.doxygen.reftitle=Reference Section of PFR"

test/config/Jamfile.v2

@@ -5,13 +5,17 @@
 # http://www.boost.org/LICENSE_1_0.txt)
 #
 
+import-search /boost/config/checks ;
+
 import python ;
 import testing ;
-import ../../config/checks/config : requires ;
+import config : requires ;
 
 project
     : source-location .
     : requirements
+        <library>/boost/config//boost_config
+        <library>/boost/preprocessor//boost_preprocessor
         <define>BOOST_PFR_DETAIL_STRICT_RVALUE_TESTING=1
     ;
 

test/core/Jamfile.v2

@@ -5,13 +5,20 @@
 # http://www.boost.org/LICENSE_1_0.txt)
 #
 
+import-search /boost/config/checks ;
+
 import python ;
 import testing ;
-import ../../config/checks/config : requires ;
+import config : requires ;
 
 project
     : source-location .
     : requirements
+        <library>/boost/config//boost_config
+        <library>/boost/core//boost_core
+        <library>/boost/container_hash//boost_container_hash
+        <library>/boost/type_index//boost_type_index
+
         <define>BOOST_PFR_DETAIL_STRICT_RVALUE_TESTING=1
         [ requires cxx14_constexpr ]
     ;
@@ -73,7 +80,7 @@ local BLACKLIST_TESTS_FOR_LOOPHOLE =
     tie_anonymous_const_field           # boost::pfr::structure_tie gives compile time error on const fields
   ;
 
-# Those tests are either 
+# Those tests are either
 # * reflecting a non literal type
 # * or calling boost::pfr::get and the result is a user defined structure
 local BLACKLIST_TESTS_FOR_CLASSIC =
@@ -99,7 +106,7 @@ for local source_file in [ glob ./run/*.cpp ] [ glob ../../example/*.cpp ]
 {
     local target_name = $(source_file[1]:B) ;
     pfr_tests += [ run $(source_file) : : : $(STRUCTURED_BINDING_ENGINE) : $(target_name)_sb ] ;
-    
+
     if ! $(target_name) in $(BLACKLIST_TESTS_FOR_LOOPHOLE)
     {
         pfr_tests += [ run $(source_file) : : : $(LOOPHOLE_ENGINE) : $(target_name)_lh ] ;

test/core_name/Jamfile.v2

@@ -8,8 +8,10 @@
 # The way to make it union and UB free by X-Ryl669, https://github.com/X-Ryl669
 #
 
+import-search /boost/config/checks ;
+
 import testing ;
-import ../../config/checks/config : requires ;
+import config : requires ;
 
 ########## BEGIN of helpers to detect C++20 features support
 
@@ -38,6 +40,7 @@ explicit compiler_supports_cxx20_nontype_tplarg ;
 project
     : source-location .
     : requirements
+        <library>/boost/core//boost_core
         <define>BOOST_PFR_DETAIL_STRICT_RVALUE_TESTING=1
         [ check-target-builds ../core_name//compiler_supports_cxx20_address_of_non_static_member_tplarg : : [ check-target-builds ../core_name//compiler_supports_cxx20_nontype_tplarg : : <build>no ] ]
     ;