2013-01-09 21:35:16 +00:00
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dnl @synopsis AC_PROG_JAVAC
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dnl
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dnl AC_PROG_JAVAC tests an existing Java compiler. It uses the
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dnl environment variable JAVAC then tests in sequence various common
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dnl Java compilers. For political reasons, it starts with the free
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dnl ones.
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dnl
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dnl If you want to force a specific compiler:
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dnl
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dnl - at the configure.in level, set JAVAC=yourcompiler before calling
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dnl AC_PROG_JAVAC
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dnl
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dnl - at the configure level, setenv JAVAC
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dnl
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dnl You can use the JAVAC variable in your Makefile.in, with @JAVAC@.
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dnl
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dnl *Warning*: its success or failure can depend on a proper setting of
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dnl the CLASSPATH env. variable.
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dnl
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dnl TODO: allow to exclude compilers (rationale: most Java programs
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dnl cannot compile with some compilers like guavac).
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dnl
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dnl Note: This is part of the set of autoconf M4 macros for Java
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dnl programs. It is VERY IMPORTANT that you download the whole set,
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dnl some macros depend on other. Unfortunately, the autoconf archive
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dnl does not support the concept of set of macros, so I had to break it
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dnl for submission. The general documentation, as well as the sample
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dnl configure.in, is included in the AC_PROG_JAVA macro.
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dnl
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dnl @category Java
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dnl @author Stephane Bortzmeyer <bortzmeyer@pasteur.fr>
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dnl @version 2000-07-19
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dnl @license GPLWithACException
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AC_DEFUN([AC_PROG_JAVAC],[
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AC_REQUIRE([AC_EXEEXT])dnl
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if test "x$JAVAPREFIX" = x; then
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2014-05-12 04:08:44 +00:00
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test "x$JAVAC" = x && AC_CHECK_PROGS(JAVAC, javac$EXEEXT "gcj$EXEEXT -C" guavac$EXEEXT jikes$EXEEXT)
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2013-01-09 21:35:16 +00:00
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else
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2014-05-12 04:08:44 +00:00
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test "x$JAVAC" = x && AC_CHECK_PROGS(JAVAC, javac$EXEEXT "gcj$EXEEXT -C" guavac$EXEEXT jikes$EXEEXT, $JAVAPREFIX)
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2013-01-09 21:35:16 +00:00
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fi
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test "x$JAVAC" = x && AC_MSG_ERROR([no acceptable Java compiler found in \$PATH])
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AC_PROG_JAVAC_WORKS
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AC_PROVIDE([$0])dnl
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])
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