destdir_support.patch

Index: boost_1_72_0/tools/build/src/tools/package.jam
===================================================================
--- boost_1_72_0.orig/tools/build/src/tools/package.jam
+++ boost_1_72_0/tools/build/src/tools/package.jam
@@ -207,18 +207,25 @@ rule install ( name package-name ? : req
     requirements = [ property.change $(requirements) : <install-header-subdir> ]
         ;
 
+    # install prefix, for installing in a "chroot" or package staging
+    local install_prefix = [ os.environ DESTDIR ] ;
+    install_prefix ?= "" ;
+
     # First, figure out all locations. Use the default if no prefix option
     # given.
     local paths = [ paths $(package-name) : $(requirements) ] ;
 
     # Binaries.
-    local bin-locate = [ $(paths).bindir ] ;
+    local temp = [ $(paths).bindir ] ;
+    local bin-locate = $(install_prefix)$(temp) ;
 
     # Object code libraries.
-    local lib-locate = [ $(paths).libdir ] ;
+    temp = [ $(paths).libdir ] ;
+    local lib-locate = $(install_prefix)$(temp) ;
 
     # Source header files.
-    local include-locate = [ $(paths).includedir ] ;
+    temp = [ $(paths).includedir ] ;
+    local include-locate = $(install_prefix)$(temp) ;
 
     stage.install $(name)-bin : $(binaries) : $(requirements)
         <location>$(bin-locate) ;
@@ -260,8 +267,11 @@ rule install-data ( target-name : packag
 {
     package-name ?= target-name ;
 
+    local install_prefix = [ os.environ DESTDIR ] ;
+    install_prefix ?= "" ;
     local paths = [ paths $(package-name) : $(requirements) ] ;
-    local datadir = [ $(paths).datarootdir ] ;
+    local tmp = $(paths).datarootdir ;
+    local datadir = $(install_prefix)$(tmp) ;
 
     stage.install $(target-name) 
         : $(data)
Index: boost_1_72_0/tools/boost_install/boost-install-dirs.jam
===================================================================
--- boost_1_72_0.orig/tools/boost_install/boost-install-dirs.jam
+++ boost_1_72_0/tools/boost_install/boost-install-dirs.jam
@@ -5,6 +5,7 @@
 import modules ;
 import boostcpp ;
 import package ;
+import os ;
 
 # includedir
 
@@ -60,6 +61,28 @@ rule cmakedir
     return $(.cmakedir) ;
 }
 
+# cmakeinstalldir
+
+rule cmakeinstalldir
+{
+    if ! $(.cmakeinstalldir)
+    {
+        package.add-path-option cmakedir : cmake : libdir ;
+
+        local paths = [ package.paths Boost ] ;
+        .cmakeinstalldir = [ $(paths).get cmakedir ] ;
+
+        # install prefix, for installing in a "chroot" or package staging
+        local install_prefix = [ os.environ DESTDIR ] ;
+        install_prefix ?= "" ;
+
+        .cmakeinstalldir = $(install_prefix)$(.cmakeinstalldir) ;
+    }
+
+    return $(.cmakeinstalldir) ;
+}
+
+
 # header-subdir
 
 rule header-subdir
Index: boost_1_72_0/tools/boost_install/boost-install.jam
===================================================================
--- boost_1_72_0.orig/tools/boost_install/boost-install.jam
+++ boost_1_72_0/tools/boost_install/boost-install.jam
@@ -22,6 +22,7 @@ import ./boost-install-dirs ;
 feature.feature library-type : : free ;
 feature.feature boost-install.dependency : : free ;
 feature.feature boost-install.cmakedir : : free ;
+feature.feature boost-install.cmakeinstalldir : : free ;
 feature.feature boost-install.includedir : : free ;
 feature.feature boost-install.libdir : : free ;
 
@@ -512,6 +513,13 @@ local rule path-native-fwd ( path )
     {
         path = $(path:T) ;
     }
+    else
+    {
+        local installdir_chroot = [ os.environ DESTDIR ] ;
+        installdir_chroot ?= "/" ;
+        path = [ path.relative $(path) $(installdir_chroot) ] ;
+        path = /$(path) ;
+    }
 
     return $(path) ;
 }
@@ -558,6 +566,9 @@ rule generate-cmake-config- ( target : s
     local cmakedir = [ $(ps).get <boost-install.cmakedir> ] ;
     .info "  cmakedir=" $(cmakedir) ;
 
+    local cmakeinstalldir = [ $(ps).get <boost-install.cmakeinstalldir> ] ;
+    .info "  cmakeinstalldir=" $(cmakeinstalldir) ;
+
     local includedir = [ $(ps).get <boost-install.includedir> ] ;
     .info "  includedir=" $(includedir) ;
 
@@ -589,9 +600,9 @@ rule generate-cmake-config- ( target : s
         "get_filename_component(_BOOST_CMAKEDIR \"${CMAKE_CURRENT_LIST_DIR}/../\" ABSOLUTE)"
         : true ;
 
-    if [ path.is-rooted $(cmakedir) ]
+    if [ path.is-rooted $(cmakeinstalldir) ]
     {
-        local cmakedir-native = [ path-native-fwd $(cmakedir) ] ;
+        local cmakedir-native = [ path-native-fwd $(cmakeinstalldir) ] ;
 
         print.text
 
@@ -786,6 +797,7 @@ rule generate-cmake-config ( project nam
     local location = [ $(property-set).get <location> ] ;
     local library-type = [ $(property-set).get <library-type> ] ;
     local cmakedir = [ $(property-set).get <boost-install.cmakedir> ] ;
+    local cmakeinstalldir = [ $(property-set).get <boost-install.cmakeinstalldir> ] ;
     local includedir = [ $(property-set).get <boost-install.includedir> ] ;
     local libdir = [ $(property-set).get <boost-install.libdir> ] ;
 
@@ -793,6 +805,7 @@ rule generate-cmake-config ( project nam
         <name>$(pname) <version>$(version) <location>$(location)
         <library-type>$(library-type)
         <boost-install.cmakedir>$(cmakedir)
+        <boost-install.cmakeinstalldir>$(cmakeinstalldir)
         <boost-install.includedir>$(includedir)
         <boost-install.libdir>$(libdir) ] ;
 
@@ -882,7 +895,7 @@ local rule install-cmake-config- ( insta
             library-type = INTERFACE ;
         }
 
-        local reqs = <name>$(name) <version>$(version) <library-type>$(library-type) <boost-install.cmakedir>$(location) <boost-install.includedir>$(includedir) <boost-install.libdir>$(libdir) ;
+        local reqs = <name>$(name) <version>$(version) <library-type>$(library-type) <boost-install.cmakedir>$(location) <boost-install.cmakeinstalldir>$(libdir)cmake <boost-install.includedir>$(includedir) <boost-install.libdir>$(libdir) ;
 
         r += [ generate $(install-or-stage)/$(name)-config.cmake : $(name) : <generating-rule>@boost-install%generate-cmake-config $(reqs) ] ;
         r += [ install $(install-or-stage)-$(name)-config.cmake : $(install-or-stage)/$(name)-config.cmake : <location>$(loc) ] ;
@@ -967,7 +980,7 @@ rule install-cmake-config ( name * )
 
     local includedir = [ boost-install-dirs.includedir ] ;
     local libdir = [ boost-install-dirs.libdir ] ;
-    local cmakedir = [ boost-install-dirs.cmakedir ] ;
+    local cmakedir = [ boost-install-dirs.cmakeinstalldir ] ;
     local header-subdir = [ boost-install-dirs.header-subdir ] ;
 
     if $(header-subdir)