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update readme.txt to cover OpenJDK and ARM support

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Joel Dice 2010-12-05 17:38:10 -07:00
parent b1b433b63a
commit d19cab9ac9
1 changed files with 26 additions and 7 deletions
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33
readme.txt
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@ -51,7 +51,7 @@ Supported Platforms
Avian can currently target the following platforms: Avian can currently target the following platforms:
Linux (i386 and x86_64) Linux (i386, x86_64 and ARM)
Windows (i386 and x86_64) Windows (i386 and x86_64)
Mac OS X (i386, x86_64 and 32-bit PowerPC) Mac OS X (i386, x86_64 and 32-bit PowerPC)
@ -73,10 +73,17 @@ been tested.
The build is directed by a single makefile and may be influenced via The build is directed by a single makefile and may be influenced via
certain flags described below, all of which are optional. certain flags described below, all of which are optional.
$ make platform={linux,windows,darwin} arch={i386,x86_64,powerpc} \ $ make \
process={compile,interpret} mode={debug,debug-fast,fast,small} \ platform={linux,windows,darwin} \
bootimage={true,false} heapdump={true,false} tails={true,false} \ arch={i386,x86_64,powerpc,arm} \
continuations={true,false} process={compile,interpret} \
mode={debug,debug-fast,fast,small} \
bootimage={true,false} \
heapdump={true,false} \
tails={true,false} \
continuations={true,false} \
openjdk=<openjdk installation directory> \
openjdk-src=<openjdk source directory>
* platform - the target platform * platform - the target platform
default: output of $(uname -s | tr [:upper:] [:lower:]), default: output of $(uname -s | tr [:upper:] [:lower:]),
@ -119,6 +126,18 @@ certain flags described below, all of which are optional.
only valid for process=compile builds. only valid for process=compile builds.
default: false default: false
* openjdk - if set, use OpenJDK class library instead of the default
Avian class library. See "Building with the OpenJDK Class
Library" below for details.
default: not set
* openjdk-src - if this and the openjdk option above are both set,
build an embeddable VM using the OpenJDK class library. The JNI
components of the OpenJDK class library will be built from the
sources found under the specified directory. See "Building with
the OpenJDK Class Library" below for details.
default: not set
These flags determine the name of the directory used for the build. These flags determine the name of the directory used for the build.
The name always starts with ${platform}-${arch}, and each non-default The name always starts with ${platform}-${arch}, and each non-default
build option is appended to the name. For example, a debug build with build option is appended to the name. For example, a debug build with
@ -291,7 +310,7 @@ Step 3: Make an object file out of the jar.
Step 4: Write a driver which starts the VM and runs the desired main Step 4: Write a driver which starts the VM and runs the desired main
method. Note the bootJar function, which will be called by the VM to method. Note the bootJar function, which will be called by the VM to
get a handle to the embedded jar. We tell the VM about this jar by get a handle to the embedded jar. We tell the VM about this jar by
setting the classpath to "[bootJar]". setting the boot classpath to "[bootJar]".
$ cat >main.cpp <<EOF $ cat >main.cpp <<EOF
#include "stdint.h" #include "stdint.h"
@ -330,7 +349,7 @@ main(int ac, const char** av)
JavaVMOption options[vmArgs.nOptions]; JavaVMOption options[vmArgs.nOptions];
vmArgs.options = options; vmArgs.options = options;
options[0].optionString = const_cast<char*>("-Djava.class.path=[bootJar]"); options[0].optionString = const_cast<char*>("-Xbootclasspath:[bootJar]");
JavaVM* vm; JavaVM* vm;
void* env; void* env;