Merge pull request #208 from rdoeffinger/lzma

Add lzma.jam file.

src/tools/lzma.jam

@@ -0,0 +1,105 @@
+# Copyright (c) 2010 Vladimir Prus.
+# Copyright (c) 2013 Steven Watanabe
+#
+# Use, modification and distribution is subject to the Boost Software
+# License Version 1.0. (See accompanying file LICENSE_1_0.txt or
+# http://www.boost.org/LICENSE_1_0.txt)
+
+# Supports the lzma library
+#
+# After 'using lzma', the following targets are available:
+#
+# /lzma//lzam -- The lzma library
+
+import project ;
+import ac ;
+import errors ;
+import "class" : new ;
+import targets ;
+import path ;
+import modules ;
+import errors ;
+import indirect ;
+import property ;
+import property-set ;
+
+header = lzma.h ;
+names = lzma ;
+
+library-id = 0 ;
+
+if --debug-configuration in [ modules.peek : ARGV ]
+{
+    .debug =  true ;
+}
+
+rule init (
+    version ?
+    # (currently ignored)
+
+    : options *
+    # A list of the options to use
+
+    : requirements *
+    # The requirements for the target
+
+    : is-default ?
+    # Default configurations are only used when
+    # not yet configured.
+    )
+{
+    local caller = [ project.current ] ;
+
+    if ! $(.initialized)
+    {
+        .initialized = true ;
+
+        project.initialize $(__name__) ;
+        .project = [ project.current ] ;
+        project lzma ;
+    }
+
+    local library-path = [ property.select <search> : $(options) ] ;
+    library-path = $(library-path:G=) ;
+    local include-path = [ property.select <include> : $(options) ] ;
+    include-path = $(include-path:G=) ;
+    local library-name = [ property.select <name> : $(options) ] ;
+    library-name = $(library-name:G=) ;
+
+    condition = [ property-set.create $(requirements) ] ;
+    condition = [ property-set.create [ $(condition).base ] ] ;
+
+    if $(.configured.$(condition))
+    {
+        if $(is-default)
+        {
+            if $(.debug)
+            {
+                ECHO "notice: [lzma] lzma is already configured" ;
+            }
+        }
+        else
+        {
+            errors.user-error "lzma is already configured" ;
+        }
+        return ;
+    }
+    else
+    {
+        if $(.debug)
+        {
+            ECHO "notice: [lzma] Using pre-installed library" ;
+            if $(condition)
+            {
+                ECHO "notice: [lzma] Condition" [ $(condition).raw ] ;
+            }
+        }
+
+        local mt = [ new ac-library lzma : $(.project) : $(condition) :
+            $(include-path) : $(library-path) : $(library-name) ] ;
+        $(mt).set-header $(header) ;
+        $(mt).set-default-names $(names) ;
+        targets.main-target-alternative $(mt) ;
+    }
+    .configured.$(condition) = true ;
+}