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80 lines
3.4 KiB
Plaintext
80 lines
3.4 KiB
Plaintext
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# ===========================================================================
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# http://www.gnu.org/software/autoconf-archive/ax_prog_javac.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_PROG_JAVAC
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#
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# DESCRIPTION
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#
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# AX_PROG_JAVAC tests an existing Java compiler. It uses the environment
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# variable JAVAC then tests in sequence various common Java compilers. For
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# political reasons, it starts with the free ones.
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#
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# If you want to force a specific compiler:
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#
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# - at the configure.in level, set JAVAC=yourcompiler before calling
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# AX_PROG_JAVAC
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#
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# - at the configure level, setenv JAVAC
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#
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# You can use the JAVAC variable in your Makefile.in, with @JAVAC@.
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#
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# *Warning*: its success or failure can depend on a proper setting of the
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# CLASSPATH env. variable.
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#
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# TODO: allow to exclude compilers (rationale: most Java programs cannot
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# compile with some compilers like guavac).
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#
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# Note: This is part of the set of autoconf M4 macros for Java programs.
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# It is VERY IMPORTANT that you download the whole set, some macros depend
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# on other. Unfortunately, the autoconf archive does not support the
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# concept of set of macros, so I had to break it for submission. The
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# general documentation, as well as the sample configure.in, is included
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# in the AX_PROG_JAVA macro.
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#
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# LICENSE
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#
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# Copyright (c) 2008 Stephane Bortzmeyer <bortzmeyer@pasteur.fr>
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 2 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# As a special exception, the respective Autoconf Macro's copyright owner
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# gives unlimited permission to copy, distribute and modify the configure
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# scripts that are the output of Autoconf when processing the Macro. You
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# need not follow the terms of the GNU General Public License when using
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# or distributing such scripts, even though portions of the text of the
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# Macro appear in them. The GNU General Public License (GPL) does govern
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# all other use of the material that constitutes the Autoconf Macro.
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#
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# This special exception to the GPL applies to versions of the Autoconf
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# Macro released by the Autoconf Archive. When you make and distribute a
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# modified version of the Autoconf Macro, you may extend this special
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# exception to the GPL to apply to your modified version as well.
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#serial 7
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AU_ALIAS([AC_PROG_JAVAC], [AX_PROG_JAVAC])
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AC_DEFUN([AX_PROG_JAVAC],[
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m4_define([m4_ax_prog_javac_list],["gcj -C" guavac jikes javac])dnl
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AS_IF([test "x$JAVAPREFIX" = x],
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[test "x$JAVAC" = x && AC_CHECK_PROGS([JAVAC], [m4_ax_prog_javac_list])],
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[test "x$JAVAC" = x && AC_CHECK_PROGS([JAVAC], [m4_ax_prog_javac_list], [], [$JAVAPREFIX/bin])])
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m4_undefine([m4_ax_prog_javac_list])dnl
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test "x$JAVAC" = x && AC_MSG_ERROR([no acceptable Java compiler found in \$PATH])
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AX_PROG_JAVAC_WORKS
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AC_PROVIDE([$0])dnl
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])
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