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Diffstat (limited to 'libjava/classpath/m4/ac_prog_javac.m4')
| -rw-r--r-- | libjava/classpath/m4/ac_prog_javac.m4 | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/libjava/classpath/m4/ac_prog_javac.m4 b/libjava/classpath/m4/ac_prog_javac.m4 new file mode 100644 index 000000000..2162c1d8d --- /dev/null +++ b/libjava/classpath/m4/ac_prog_javac.m4 @@ -0,0 +1,60 @@ +dnl @synopsis AC_PROG_JAVAC +dnl +dnl AC_PROG_JAVAC tests an existing Java compiler. It uses the +dnl environment variable JAVAC then tests in sequence various common +dnl Java compilers. For political reasons, it starts with the free +dnl ones. +dnl +dnl If you want to force a specific compiler: +dnl +dnl - at the configure.in level, set JAVAC=yourcompiler before calling +dnl AC_PROG_JAVAC +dnl +dnl - at the configure level, setenv JAVAC +dnl +dnl You can use the JAVAC variable in your Makefile.in, with @JAVAC@. +dnl +dnl *Warning*: its success or failure can depend on a proper setting of +dnl the CLASSPATH env. variable. +dnl +dnl TODO: allow to exclude compilers (rationale: most Java programs +dnl cannot compile with some compilers like guavac). +dnl +dnl Note: This is part of the set of autoconf M4 macros for Java +dnl programs. It is VERY IMPORTANT that you download the whole set, +dnl some macros depend on other. Unfortunately, the autoconf archive +dnl does not support the concept of set of macros, so I had to break it +dnl for submission. The general documentation, as well as the sample +dnl configure.in, is included in the AC_PROG_JAVA macro. +dnl +dnl @category Java +dnl @author Stephane Bortzmeyer <bortzmeyer@pasteur.fr> +dnl @version 2000-07-19 +dnl @license GPLWithACException +dnl +dnl Modified to remove jikes by Andrew John Hughes on 2008-02-11 + +AC_DEFUN_ONCE([AC_PROG_JAVAC],[ +AC_REQUIRE([AC_EXEEXT])dnl +ECJ_OPTS="-warn:-deprecation,serial,unusedImport" +JAVAC_OPTS="-Xlint:unchecked,cast,divzero,empty,finally,overrides" +GCJ_OPTS="-g" +if test "x$JAVAPREFIX" = x; then + test "x$JAVAC" = x && AC_CHECK_PROGS(JAVAC, ["ecj$EXEEXT $ECJ_OPTS"] ["ecj-3.3$EXEEXT $ECJ_OPTS"] ["ecj-3.2$EXEEXT $ECJ_OPTS"] ["javac$EXEEXT $JAVAC_OPTS"] "gcj$EXEEXT -C") +else + test "x$JAVAC" = x && AC_CHECK_PROGS(JAVAC, ["ecj$EXEEXT $ECJ_OPTS"] ["ecj-3.3$EXEEXT $ECJ_OPTS"] ["ecj-3.2$EXEEXT $ECJ_OPTS"] ["javac$EXEEXT $JAVAC_OPTS"] "gcj$EXEEXT -C", $JAVAPREFIX) +fi +test "x$JAVAC" = x && AC_MSG_ERROR([no acceptable Java compiler found in \$PATH]) +AC_CACHE_CHECK([if $JAVAC is a version of gcj], ac_cv_prog_javac_is_gcj, [ +if $JAVAC --version 2>&1 | grep gcj >&AS_MESSAGE_LOG_FD ; then + ac_cv_prog_javac_is_gcj=yes; + JAVAC="$JAVAC $GCJ_OPTS"; +else + ac_cv_prog_javac_is_gcj=no; +fi +]) +AC_SUBST(JAVAC_IS_GCJ, $ac_cv_prog_javac_is_gcj) +AM_CONDITIONAL(GCJ_JAVAC, test x"${JAVAC_IS_GCJ}" = xyes) +dnl END GCJ LOCAL +AC_PROVIDE([$0])dnl +]) |