Re: [patch] remove more GCJ references

[Matthias Klose <doko@ubuntu.com>]

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On 15.11.2016 16:52, Jeff Law wrote:
> On 11/15/2016 03:55 AM, Matthias Klose wrote:
>> This patch removes some references to gcj in the top level and config
>> directories and in the gcc documentation.  The change to the config directory
>> requires regenerating aclocal.m4 and configure in each sub directory.
>>
>> Ok for the trunk?
>>
>> Matthias
>>
>> <toplevel>
>>
>> 2016-11-14  Matthias Klose  <doko@ubuntu.com>
>>
>>         * config-ml.in: Remove references to GCJ.
>>         * configure.ac: Likewise.
>>         * configure: Regenerate.
>>
>> config/
>>
>> 2016-11-14  Matthias Klose  <doko@ubuntu.com>
>>
>>         multi.m4: Don't set GCJ.
>>
>> gcc/
>>
>> 2016-11-14  Matthias Klose  <doko@ubuntu.com>
>>
>>         * doc/install.texi: Remove references to gcj/libjava.
>>         * doc/invoke.texi: Likewise.
>>
> OK.
> jeff

I was missing more references in the documentation, committing the remaining
changes as obvious:

gcc/
2016-11-15  Matthias Klose  <doko@ubuntu.com>

        * doc/install.texi: Remove references to java/libjava.
        * doc/sourcebuild.texi: Likewise.



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gcc/
2016-11-15  Matthias Klose  <doko@ubuntu.com>

	* doc/install.texi: Remove references to java/libjava.
	* doc/sourcebuild.texi: Likewise.

Index: gcc/doc/install.texi
===================================================================
--- gcc/doc/install.texi	(revision 242453)
+++ gcc/doc/install.texi	(working copy)
@@ -498,28 +498,6 @@
 Necessary when applying patches, created with @command{diff}, to one's
 own sources.
 
-@item ecj1
-@itemx gjavah
-
-If you wish to modify @file{.java} files in libjava, you will need to
-configure with @option{--enable-java-maintainer-mode}, and you will need
-to have executables named @command{ecj1} and @command{gjavah} in your path.
-The @command{ecj1} executable should run the Eclipse Java compiler via
-the GCC-specific entry point.  You can download a suitable jar from
-@uref{ftp://sourceware.org/pub/java/}, or by running the script
-@command{contrib/download_ecj}.
-
-@item antlr.jar version 2.7.1 (or later)
-@itemx antlr binary
-
-If you wish to build the @command{gjdoc} binary in libjava, you will
-need to have an @file{antlr.jar} library available. The library is
-searched for in system locations but can be specified with
-@option{--with-antlr-jar=} instead.  When configuring with
-@option{--enable-java-maintainer-mode}, you will need to have one of
-the executables named @command{cantlr}, @command{runantlr} or
-@command{antlr} in your path.
-
 @end table
 
 @html
@@ -550,9 +528,9 @@
 Please refer to the @uref{http://gcc.gnu.org/releases.html,,releases web page}
 for information on how to obtain GCC@.
 
-The source distribution includes the C, C++, Objective-C, Fortran, Java,
+The source distribution includes the C, C++, Objective-C, Fortran,
 and Ada (in the case of GCC 3.1 and later) compilers, as well as
-runtime libraries for C++, Objective-C, Fortran, and Java.
+runtime libraries for C++, Objective-C, and Fortran.
 For previous versions these were downloadable as separate components such
 as the core GCC distribution, which included the C language front end and
 shared components, and language-specific distributions including the
@@ -934,7 +912,7 @@
 will be built.  Package names currently recognized in the GCC tree are
 @samp{libgcc} (also known as @samp{gcc}), @samp{libstdc++} (not
 @samp{libstdc++-v3}), @samp{libffi}, @samp{zlib}, @samp{boehm-gc},
-@samp{ada}, @samp{libada}, @samp{libjava}, @samp{libgo}, and @samp{libobjc}.
+@samp{ada}, @samp{libada}, @samp{libgo}, and @samp{libobjc}.
 Note @samp{libiberty} does not support shared libraries at all.
 
 Use @option{--disable-shared} to build only static libraries.  Note that
@@ -1178,7 +1156,7 @@
 @item --enable-threads
 Specify that the target
 supports threads.  This affects the Objective-C compiler and runtime
-library, and exception handling for other languages like C++ and Java.
+library, and exception handling for other languages like C++.
 On some systems, this is the default.
 
 In general, the best (and, in many cases, the only known) threading
@@ -1195,7 +1173,7 @@
 Specify that
 @var{lib} is the thread support library.  This affects the Objective-C
 compiler and runtime library, and exception handling for other languages
-like C++ and Java.  The possibilities for @var{lib} are:
+like C++.  The possibilities for @var{lib} are:
 
 @table @code
 @item aix
@@ -1443,7 +1421,7 @@
 @option{--with-gxx-include-dir=@var{dirname}}.  Using this option is
 particularly useful if you intend to use several versions of GCC in
 parallel.  This is currently supported by @samp{libgfortran},
-@samp{libjava}, @samp{libstdc++}, and @samp{libobjc}.
+@samp{libstdc++}, and @samp{libobjc}.
 
 @item @anchor{WithAixSoname}--with-aix-soname=@samp{aix}, @samp{svr4} or @samp{both}
 Traditional AIX shared library versioning (versioned @code{Shared Object}
@@ -1563,7 +1541,7 @@
 @end smallexample
 Currently, you can use any of the following:
 @code{all}, @code{ada}, @code{c}, @code{c++}, @code{fortran},
-@code{go}, @code{java}, @code{jit}, @code{lto}, @code{objc}, @code{obj-c++}.
+@code{go}, @code{jit}, @code{lto}, @code{objc}, @code{obj-c++}.
 Building the Ada compiler has special requirements, see below.
 If you do not pass this flag, or specify the option @code{all}, then all
 default languages available in the @file{gcc} sub-tree will be configured.
@@ -2415,13 +2393,6 @@
 cross compiler.  The installed native compiler needs to be GCC version
 2.95 or later.
 
-If the cross compiler is to be built with support for the Java
-programming language and the ability to compile .java source files is
-desired, the installed native compiler used to build the cross
-compiler needs to be the same GCC version as the cross compiler.  In
-addition the cross compiler needs to be configured with
-@option{--with-ecj-jar=@dots{}}.
-
 Assuming you have already installed a native copy of GCC and configured
 your cross compiler, issue the command @command{make}, which performs the
 following steps:
@@ -2624,7 +2595,7 @@
 
 In order to run sets of tests selectively, there are targets
 @samp{make check-gcc} and language specific @samp{make check-c},
-@samp{make check-c++}, @samp{make check-fortran}, @samp{make check-java},
+@samp{make check-c++}, @samp{make check-fortran},
 @samp{make check-ada}, @samp{make check-objc}, @samp{make check-obj-c++},
 @samp{make check-lto}
 in the @file{gcc} subdirectory of the object directory.  You can also
@@ -2722,19 +2693,6 @@
 typing @command{echo} before the example given here.)
 
 
-@section Additional testing for Java Class Libraries
-
-The Java runtime tests can be executed via @samp{make check}
-in the @file{@var{target}/libjava/testsuite} directory in
-the build tree.
-
-The @uref{http://sourceware.org/mauve/,,Mauve Project} provides
-a suite of tests for the Java Class Libraries.  This suite can be run
-as part of libgcj testing by placing the Mauve tree within the libjava
-testsuite at @file{libjava/testsuite/libjava.mauve/mauve}, or by
-specifying the location of that tree when invoking @samp{make}, as in
-@samp{make MAUVEDIR=~/mauve check}.
-
 @section How to interpret test results
 
 The result of running the testsuite are various @file{*.sum} and @file{*.log}
@@ -2819,7 +2777,7 @@
 @file{/usr/local} by default).  (If you specified @option{--bindir},
 that directory will be used instead; otherwise, if you specified
 @option{--exec-prefix}, @file{@var{exec-prefix}/bin} will be used.)
-Headers for the C++ and Java libraries are installed in
+Headers for the C++ library are installed in
 @file{@var{prefix}/include}; libraries in @file{@var{libdir}}
 (normally @file{@var{prefix}/lib}); internal parts of the compiler in
 @file{@var{libdir}/gcc} and @file{@var{libexecdir}/gcc}; documentation
@@ -3468,9 +3426,9 @@
 with this release of GCC@.  Bootstrapping against the latest GNU
 binutils and/or the version found in @file{/usr/ports/devel/binutils} has
 been known to enable additional features and improve overall testsuite
-results.  However, it is currently known that boehm-gc (which itself
-is required for java) may not configure properly on FreeBSD prior to
-the FreeBSD 7.0 release with GNU binutils after 2.16.1.
+results.  However, it is currently known that boehm-gc may not configure
+properly on FreeBSD prior to the FreeBSD 7.0 release with GNU binutils
+after 2.16.1.
 
 @html
 <hr />
@@ -3568,8 +3526,7 @@
 GCC 3.0 and up support HP-UX 11.  GCC 2.95.x is not supported and cannot
 be used to compile GCC 3.0 and up.
 
-The libffi and libjava libraries haven't been ported to 64-bit HP-UX@
-and don't build.
+The libffi library haven't been ported to 64-bit HP-UX@ and doesn't build.
 
 Refer to @uref{binaries.html,,binaries} for information about obtaining
 precompiled GCC binaries for HP-UX@.  Precompiled binaries must be obtained
@@ -3582,11 +3539,7 @@
 
 It is possible to build GCC 3.3 starting with the bundled HP compiler,
 but the process requires several steps.  GCC 3.3 can then be used to
-build later versions.  The fastjar program contains ISO C code and
-can't be built with the HP bundled compiler.  This problem can be
-avoided by not building the Java language.  For example, use the
-@option{--enable-languages="c,c++,f77,objc"} option in your configure
-command.
+build later versions.
 
 There are several possible approaches to building the distribution.
 Binutils can be built first using the HP tools.  Then, the GCC
@@ -4286,8 +4239,8 @@
 @uref{binaries.html,,binaries page} for details.
 
 The Solaris 2 @command{/bin/sh} will often fail to configure
-@samp{libstdc++-v3}, @samp{boehm-gc} or @samp{libjava}.  We therefore
-recommend using the following initial sequence of commands
+@samp{libstdc++-v3}or @samp{boehm-gc}.  We therefore recommend using the
+following initial sequence of commands
 
 @smallexample
 % CONFIG_SHELL=/bin/ksh
@@ -4351,9 +4304,6 @@
 appropriate version is found.  Solaris @command{c++filt} from the Solaris
 Studio compilers does @emph{not} work.
 
-GNU @command{make} version 3.81 or later is required to build libjava
-with the Solaris linker.
-
 Sun bug 4927647 sometimes causes random spurious testsuite failures
 related to missing diagnostic output.  This bug doesn't affect GCC
 itself, rather it is a kernel bug triggered by the @command{expect}
Index: gcc/doc/sourcebuild.texi
===================================================================
--- gcc/doc/sourcebuild.texi	(revision 242453)
+++ gcc/doc/sourcebuild.texi	(working copy)
@@ -28,8 +28,8 @@
 
 @table @file
 @item boehm-gc
-The Boehm conservative garbage collector, used as part of the Java
-runtime library.
+The Boehm conservative garbage collector, optionally used as part of
+the ObjC runtime library when configured with @option{--enable-objc-gc}.
 
 @item config
 Autoconf macros and Makefile fragments used throughout the tree.
@@ -76,7 +76,7 @@
 The Decimal Float support library.
 
 @item libffi
-The @code{libffi} library, used as part of the Java runtime library.
+The @code{libffi} library, used as part of the Go runtime library.
 
 @item libgcc
 The GCC runtime library.
@@ -100,9 +100,6 @@
 @item libitm
 The runtime support library for transactional memory.
 
-@item libjava
-The Java runtime library.
-
 @item libobjc
 The Objective-C and Objective-C++ runtime library.
 
@@ -122,9 +119,8 @@
 Scripts used by the @code{gccadmin} account on @code{gcc.gnu.org}.
 
 @item zlib
-The @code{zlib} compression library, used by the Java front end, as
-part of the Java runtime library, and for compressing and uncompressing
-GCC's intermediate language in LTO object files.
+The @code{zlib} compression library, used for compressing and
+uncompressing GCC's intermediate language in LTO object files.
 @end table
 
 The build system in the top level directory, including how recursion
@@ -629,8 +625,8 @@
 If defined, this variable lists (space-separated) language front ends
 other than C that this front end requires to be enabled (with the
 names given being their @code{language} settings).  For example, the
-Java front end depends on the C++ front end, so sets
-@samp{lang_requires=c++}.
+Obj-C++ front end depends on the C++ and ObjC front ends, so sets
+@samp{lang_requires="objc c++"}.
 @item subdir_requires
 If defined, this variable lists (space-separated) front end directories
 other than C that this front end requires to be present.  For example,
@@ -862,7 +858,6 @@
 * Test Directives:: Directives used within DejaGnu tests.
 * Ada Tests::       The Ada language testsuites.
 * C Tests::         The C language testsuites.
-* libgcj Tests::    The Java library testsuites.
 * LTO Testing::     Support for testing link-time optimizations.
 * gcov Testing::    Support for testing gcov.
 * profopt Testing:: Support for testing profile-directed optimizations.
@@ -2600,29 +2595,6 @@
 FIXME: merge in @file{testsuite/README.gcc} and discuss the format of
 test cases and magic comments more.
 
-@node libgcj Tests
-@section The Java library testsuites.
-
-Runtime tests are executed via @samp{make check} in the
-@file{@var{target}/libjava/testsuite} directory in the build
-tree.  Additional runtime tests can be checked into this testsuite.
-
-Regression testing of the core packages in libgcj is also covered by the
-Mauve testsuite.  The @uref{http://sourceware.org/mauve/,,Mauve Project}
-develops tests for the Java Class Libraries.  These tests are run as part
-of libgcj testing by placing the Mauve tree within the libjava testsuite
-sources at @file{libjava/testsuite/libjava.mauve/mauve}, or by specifying
-the location of that tree when invoking @samp{make}, as in
-@samp{make MAUVEDIR=~/mauve check}.
-
-To detect regressions, a mechanism in @file{mauve.exp} compares the
-failures for a test run against the list of expected failures in
-@file{libjava/testsuite/libjava.mauve/xfails} from the source hierarchy.
-Update this file when adding new failing tests to Mauve, or when fixing
-bugs in libgcj that had caused Mauve test failures.
-
-We encourage developers to contribute test cases to Mauve.
-
 @node LTO Testing
 @section Support for testing link-time optimizations