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Introduction. GCJ stands for the GNU Compiler for the Java Programming Language. Within GCC, it comprises the Java programming language front-end (gcc/java), a runtime library (libjava) and other helper libraries (boehm-gc, libffi and zlib). Most of the runtime library implementation is shared with the GNU Classpath project.
GCJ will compile both source (.java) and bytecode (.class) files. However, in many cases the native code produced by compiling from source is better optimized than that compiled from .class files. The reason is that when you compile to bytecode you lose a lot of information about program structure etc.
Jan 6, 2017 · EDIT It's dead. GCJ is no longer listed as a GNU package. And after four years of zero activity we are entitled to assume the same about GNU CLASSPATH. @JanusTroelsen And it has not been updated subsequently, even though I am writing this nearly three years after posting my answer, and six months after your comment.
Apr 12, 2014 · GCJ, the GNU compiler for the Java programming language. Sun begins releasing Java under the GPL, news release from the Free Software Foundation. Free but Shackled - the Java Trap, happily no longer directly applicable to Java, but still an important lesson to heed in the future. “The Free Software Foundation (FSF) is a nonprofit with a ...
The GNU Compiler for Java (GCJ) is a discontinued free compiler for the Java programming language. It was part of the GNU Compiler Collection. [3][4] GCJ compiles Java source code to Java virtual machine (JVM) bytecode or to machine code for a number of CPU architectures. It could also compile class files and whole JARs that contain bytecode ...
GCJ, a radically traditional (*) Free Software implementation of the Java language, has been part of GCC since the 3.0 release in June 2001. Currently at version 3.2.1, it is supported on GNU/Linux on Pentium, Itanium, Alpha, PowerPC and AMD Hammer, FreeBSD on Pentium, Solaris on SPARC and more. Support for Windows using MinGW is also available.
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Sep 11, 2006 · GCJ is a portable, optimizing, ahead-of-time compiler for the Java Programming Language. It can compile Java source code to Java bytecode (class files) or directly to native machine code, and Java bytecode to native machine code. Compiled applications are linked with the GCJ runtime, libgcj, which provides the core class libraries, a garbage ...
