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In order to avoid a functional regression with previous releases, the JAR file needs to be able to load either the 64-bit or 32-bit JNI library on Un*x systems.

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This commit is contained in:
DRC
2013-04-24 06:21:24 +00:00
parent 3d625746d4
commit 61130e332a
2 changed files with 25 additions and 5 deletions
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17
java/README
View File

@@ -37,7 +37,16 @@ pre-allocating the buffers is recommended.
Installation Directory
----------------------
If the TurboJPEG JNI library (libturbojpeg.so, libturbojpeg.jnilib, or
turbojpeg.dll) is not installed under a system library directory or under a
directory specified in LD_LIBRARY_PATH (Unix) or PATH (Windows), then you will
need to pass an argument of -Djava.library.path={path_to_JNI_library} to java.
The TurboJPEG Java Wrapper will look for the TurboJPEG JNI library
(libturbojpeg.so, libturbojpeg.jnilib, or turbojpeg.dll) in the system library
paths or in any paths specified in LD_LIBRARY_PATH (Unix), DYLD_LIBRARY_PATH
(Mac), or PATH (Windows.) Failing this, on Unix and Mac systems, the wrapper
will look for the JNI library under the library directory configured when
libjpeg-turbo was built. If that library directory is
/opt/libjpeg-turbo/lib32, then /opt/libjpeg-turbo/lib64 is also searched, and
vice versa.
If you installed the JNI library into another directory, then you will need
to pass an argument of -Djava.library.path={path_to_JNI_library} to java, or
manipulate LD_LIBRARY_PATH, DYLD_LIBRARY_PATH, or PATH to include the directory
containing the JNI library.

13
java/org/libjpegturbo/turbojpeg/TJLoader.java.tmpl
View File

@@ -41,7 +41,18 @@ final class TJLoader {
System.load("/usr/lib/libturbojpeg.jnilib");
}
} else {
System.load("%{__libdir}/libturbojpeg.so");
try {
System.load("%{__libdir}/libturbojpeg.so");
} catch (java.lang.UnsatisfiedLinkError e3) {
String libdir = "%{__libdir}";
if (libdir.equals("/opt/libjpeg-turbo/lib64")) {
System.load("/opt/libjpeg-turbo/lib32/libturbojpeg.so");
} else if (libdir.equals("/opt/libjpeg-turbo/lib32")) {
System.load("/opt/libjpeg-turbo/lib64/libturbojpeg.so");
} else {
throw e3;
}
}
}
}
}