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https://github.com/ceph/ceph
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109 lines
3.8 KiB
Plaintext
109 lines
3.8 KiB
Plaintext
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dnl @synopsis AC_CHECK_CLASS
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dnl
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dnl AC_CHECK_CLASS tests the existence of a given Java class, either in
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dnl a jar or in a '.class' file.
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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 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_CHECK_CLASS],[
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AC_REQUIRE([AC_PROG_JAVA])
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ac_var_name=`echo $1 | sed 's/\./_/g'`
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dnl Normaly I'd use a AC_CACHE_CHECK here but since the variable name is
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dnl dynamic I need an extra level of extraction
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AC_MSG_CHECKING([for $1 class])
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AC_CACHE_VAL(ac_cv_class_$ac_var_name, [
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if test x$ac_cv_prog_uudecode_base64 = xyes; then
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dnl /**
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dnl * Test.java: used to test dynamicaly if a class exists.
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dnl */
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dnl public class Test
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dnl {
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dnl
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dnl public static void
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dnl main( String[] argv )
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dnl {
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dnl Class lib;
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dnl if (argv.length < 1)
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dnl {
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dnl System.err.println ("Missing argument");
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dnl System.exit (77);
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dnl }
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dnl try
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dnl {
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dnl lib = Class.forName (argv[0]);
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dnl }
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dnl catch (ClassNotFoundException e)
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dnl {
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dnl System.exit (1);
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dnl }
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dnl lib = null;
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dnl System.exit (0);
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dnl }
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dnl
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dnl }
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cat << \EOF > Test.uue
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begin-base64 644 Test.class
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yv66vgADAC0AKQcAAgEABFRlc3QHAAQBABBqYXZhL2xhbmcvT2JqZWN0AQAE
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bWFpbgEAFihbTGphdmEvbGFuZy9TdHJpbmc7KVYBAARDb2RlAQAPTGluZU51
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bWJlclRhYmxlDAAKAAsBAANlcnIBABVMamF2YS9pby9QcmludFN0cmVhbTsJ
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AA0ACQcADgEAEGphdmEvbGFuZy9TeXN0ZW0IABABABBNaXNzaW5nIGFyZ3Vt
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ZW50DAASABMBAAdwcmludGxuAQAVKExqYXZhL2xhbmcvU3RyaW5nOylWCgAV
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ABEHABYBABNqYXZhL2lvL1ByaW50U3RyZWFtDAAYABkBAARleGl0AQAEKEkp
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VgoADQAXDAAcAB0BAAdmb3JOYW1lAQAlKExqYXZhL2xhbmcvU3RyaW5nOylM
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amF2YS9sYW5nL0NsYXNzOwoAHwAbBwAgAQAPamF2YS9sYW5nL0NsYXNzBwAi
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AQAgamF2YS9sYW5nL0NsYXNzTm90Rm91bmRFeGNlcHRpb24BAAY8aW5pdD4B
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AAMoKVYMACMAJAoAAwAlAQAKU291cmNlRmlsZQEACVRlc3QuamF2YQAhAAEA
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AwAAAAAAAgAJAAUABgABAAcAAABtAAMAAwAAACkqvgSiABCyAAwSD7YAFBBN
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uAAaKgMyuAAeTKcACE0EuAAaAUwDuAAasQABABMAGgAdACEAAQAIAAAAKgAK
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AAAACgAAAAsABgANAA4ADgATABAAEwASAB4AFgAiABgAJAAZACgAGgABACMA
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JAABAAcAAAAhAAEAAQAAAAUqtwAmsQAAAAEACAAAAAoAAgAAAAQABAAEAAEA
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JwAAAAIAKA==
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====
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EOF
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if uudecode$EXEEXT Test.uue; then
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:
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else
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echo "configure: __oline__: uudecode had trouble decoding base 64 file 'Test.uue'" >&AC_FD_CC
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echo "configure: failed file was:" >&AC_FD_CC
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cat Test.uue >&AC_FD_CC
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ac_cv_prog_uudecode_base64=no
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fi
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rm -f Test.uue
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if AC_TRY_COMMAND($JAVA $JAVAFLAGS Test $1) >/dev/null 2>&1; then
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eval "ac_cv_class_$ac_var_name=yes"
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else
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eval "ac_cv_class_$ac_var_name=no"
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fi
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rm -f Test.class
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else
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AC_TRY_COMPILE_JAVA([$1], , [eval "ac_cv_class_$ac_var_name=yes"],
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[eval "ac_cv_class_$ac_var_name=no"])
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fi
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eval "ac_var_val=$`eval echo ac_cv_class_$ac_var_name`"
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eval "HAVE_$ac_var_name=$`echo ac_cv_class_$ac_var_val`"
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HAVE_LAST_CLASS=$ac_var_val
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if test x$ac_var_val = xyes; then
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ifelse([$2], , :, [$2])
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else
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ifelse([$3], , :, [$3])
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fi
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])
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dnl for some reason the above statment didn't fall though here?
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dnl do scripts have variable scoping?
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eval "ac_var_val=$`eval echo ac_cv_class_$ac_var_name`"
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AC_MSG_RESULT($ac_var_val)
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])
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