Initial VCPkg integration

CHANGES.txt

@@ -57,6 +57,9 @@ RELEASE  VERSION/DATE TO BE FILLED IN LATER
       use an faster implementation under the assumption of ordered dictionaries.
 
   From Ryan Saunders:
+    - Added VCPkg() builder, integrating the vcpkg cross-platform package management tool for
+      3rd-party C/C++ libraries (http://vcpkg.io). A project using SCons can use the VCPkg()
+      builder to to download and build any package known to vcpkg. Works on Windows, Linux and MacOS.
     - Fixed runtest.py failure on Windows caused by excessive escaping of the path to python.exe.
 
   From Flaviu Tamas:

RELEASE.txt

@@ -26,6 +26,9 @@ NEW FUNCTIONALITY
   not be called until all AddOption() calls are completed. Resolves Issue #4187
 - Added --experimental=tm_v2, which enables Andrew Morrow's NewParallel Job implementation.
   This should scale much better for highly parallel builds.  You can also enable this via SetOption().
+- Added VCPkg() builder, integrating the vcpkg cross-platform package management tool for
+  3rd-party C/C++ libraries (http://vcpkg.io). A project using SCons can use the VCPkg()
+  builder to to download and build any package known to vcpkg. Works on Windows, Linux and MacOS.
 
 
 DEPRECATED FUNCTIONALITY

SCons/Tool/__init__.py

@@ -696,7 +696,7 @@ def tool_list(platform, env):
         assemblers = ['masm', 'nasm', 'gas', '386asm']
         fortran_compilers = ['gfortran', 'g77', 'ifl', 'cvf', 'f95', 'f90', 'fortran']
         ars = ['mslib', 'ar', 'tlib']
-        other_plat_tools = ['msvs', 'midl', 'wix']
+        other_plat_tools = ['msvs', 'midl', 'vcpkg', 'wix']
     elif str(platform) == 'os2':
         "prefer IBM tools on OS/2"
         linkers = ['ilink', 'gnulink', ]  # 'mslink']
@@ -746,6 +746,7 @@ def tool_list(platform, env):
         assemblers = ['as']
         fortran_compilers = ['gfortran', 'f95', 'f90', 'g77']
         ars = ['ar']
+        other_plat_tools += ['vcpkg']
     elif str(platform) == 'cygwin':
         "prefer GNU tools on Cygwin, except for a platform-specific linker"
         linkers = ['cyglink', 'mslink', 'ilink']
@@ -762,6 +763,9 @@ def tool_list(platform, env):
         assemblers = ['gas', 'nasm', 'masm']
         fortran_compilers = ['gfortran', 'g77', 'ifort', 'ifl', 'f95', 'f90', 'f77']
         ars = ['ar', ]
+        # VCPkg is supported on Linux; no official support for other *nix variants
+        if str(platform) == 'posix':
+            other_plat_tools += ['vcpkg']
 
     if not str(platform) == 'win32':
         other_plat_tools += ['m4', 'rpm']

SCons/Tool/default.xml

@@ -55,7 +55,7 @@ are selected if their respective conditions are met:
 &t-link-jar;, &t-link-javac;, &t-link-javah;, &t-link-rmic;,
 &t-link-dvipdf;, &t-link-dvips;, &t-link-gs;,
 &t-link-tex;, &t-link-latex;, &t-link-pdflatex;, &t-link-pdftex;,
-&t-link-tar;, &t-link-zip;, &t-link-textfile;.
+&t-link-tar;, &t-link-zip;, &t-link-textfile; &t-link-vcpkg;.
 </para>
 
 <para>

SCons/Tool/docbook/__init__.py

@@ -69,7 +69,7 @@
 # lxml etree XSLT global max traversal depth
 #
 
-lmxl_xslt_global_max_depth = 3100
+lmxl_xslt_global_max_depth = 4000
 
 if has_lxml and lmxl_xslt_global_max_depth:
     def __lxml_xslt_set_global_max_depth(max_depth):