--- a/README-builds.html Wed Jul 05 17:38:31 2017 +0200
+++ b/README-builds.html Mon Mar 28 00:50:19 2011 -0400
@@ -1763,6 +1763,12 @@
Where each of these directories contain the import JDK image
for that platform.
</dd>
+ <dt><a name="ALT_OPENWIN_HOME"><tt>ALT_OPENWIN_HOME</tt></a></dt>
+ <dd>
+ The top-level directory of the libraries and include files for the platform's
+ graphical programming environment. The default location is platform specific.
+ For example, on Linux it defaults to <tt>/usr/X11R6/</tt>.
+ </dd>
<dt><strong>Windows specific:</strong></dt>
<dd>
<dl>
@@ -1791,6 +1797,81 @@
</dd>
</dl>
</dd>
+ <dt><strong>Cross-Compilation Support:</strong></dt>
+ <dd>
+ <dl>
+ <dt><a name="CROSS_COMPILE_ARCH"><tt>CROSS_COMPILE_ARCH</tt></a> </dt>
+ <dd>
+ Set to the target architecture of a cross-compilation build. If set, this
+ variable is used to signify that we are cross-compiling. The expectation
+ is that <a href="#ALT_COMPILER_PATH"><tt>ALT_COMPILER_PATH</tt></a> is set
+ to point to the cross-compiler and that any cross-compilation specific flags
+ are passed using <a href="#EXTRA_CFLAGS"><tt>EXTRA_CFLAGS</tt></a>.
+ The <a href="#ALT_OPENWIN_HOME"><tt>ALT_OPENWIN_HOME</tt></a> variable should
+ also be set to point to the graphical header files (e.g. X11) provided with
+ the cross-compiler.
+ When cross-compiling we skip execution of any demos etc that may be built, and
+ also skip binary-file verification.
+ </dd>
+ <dt><tt><a name="EXTRA_CFLAGS">EXTRA_CFLAGS</a></tt> </dt>
+ <dd>
+ Used to pass cross-compilation options to the cross-compiler.
+ These are added to the <tt>CFLAGS</tt> and <tt>CXXFLAGS</tt> variables.
+ </dd>
+ <dt><tt><a name="USE_ONLY_BOOTDIR_TOOLS">USE_ONLY_BOOTDIR_TOOLS</a></tt> </dt>
+ <dd>
+ Used primarily for cross-compilation builds (and always set in that case)
+ this variable indicates that tools from the boot JDK should be used during
+ the build process, not the tools (<tt>javac</tt>, <tt>javah</tt>, <tt>jar</tt>)
+ just built (which can't execute on the build host).
+ </dd>
+ <dt><tt><a name="HOST_CC">HOST_CC</a></tt> </dt>
+ <dd>
+ The location of the C compiler to generate programs to run on the build host.
+ Some parts of the build generate programs that are then compiled and executed
+ to produce other parts of the build. Normally the primary C compiler is used
+ to do this, but when cross-compiling that would be the cross-compiler and the
+ resulting program could not be executed.
+ On Linux this defaults to <tt>/usr/bin/gcc</tt>; on other platforms it must be
+ set explicitly.
+ </dd>
+ </dl>
+ <dt><strong>Specialized Build Options:</strong></dt>
+ <dd>
+ Some build variables exist to support specialized build environments and/or specialized
+ build products. Their use is only supported in those contexts:
+ <dl>
+ <dt><tt><a name="BUILD_CLIENT_ONLY">BUILD_CLIENT_ONLY</a></tt> </dt>
+ <dd>
+ Indicates this build will only contain the Hotspot client VM. In addition to
+ controlling the Hotspot build target, it ensures that we don't try to copy
+ any server VM files/directories, and defines a default <tt>jvm.cfg</tt> file
+ suitable for a client-only environment. Using this in a 64-bit build will
+ generate a sanity warning as 64-bit client builds are not directly supported.
+ </dd>
+ <dt><tt><a name="BUILD_HEADLESS_ONLY"></a>BUILD_HEADLESS_ONLY</tt> </dt>
+ <dd>
+ Used when the build environment has no graphical capabilities at all. This
+ excludes building anything that requires graphical libraries to be available.
+ </dd>
+ <dt><tt><a name="JAVASE_EMBEDDED"></a>JAVASE_EMBEDDED</tt> </dt>
+ <dd>
+ Used to indicate this is a build of the Oracle Java SE Embedded product.
+ This will enable the directives included in the SE-Embedded specific build
+ files.
+ </dd>
+ <dt><tt><a name="LIBZIP_CAN_USE_MMAP">LIBZIP_CAN_USE_MMAP</a></tt> </dt>
+ <dd>
+ If set to false, disables the use of mmap by the zip utility. Otherwise,
+ mmap will be used.
+ </dd>
+ <dt><tt><a name="COMPRESS_JARS"></a>COMPRESS_JARS</tt> </dt>
+ <dd>
+ If set to true, causes certain jar files that would otherwise be built without
+ compression, to use compression.
+ </dd>
+ </dl>
+ </dd>
</dl>
</blockquote>
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