Using the newest Classapth with gcj ?

Tue Mar 31 11:23:00 GMT 2009

Thanks for this, this is really useful athough I get an error at the make stage:
make[3]: Entering directory
`/home/micd/gcc-4_4-branch/obj-x86_64-unknown-linux-gnu/gcc'
/home/micd/gcc-4_4-branch/missing flex -ogengtype-lex.c
/home/micd/gcc-4_4-branch/obj-x86_64-unknown-linux-gnu/../gcc/gengtype-lex.l
WARNING: `flex' is missing on your system. You should only need it if
 you modified a `.l' file. You may need the `Flex' package
 in order for those modifications to take effect. You can get
 `Flex' from any GNU archive site.
gcc -c -g -fkeep-inline-functions -DIN_GCC -W -Wall -Wwrite-strings
-Wstrict-prototypes -Wmissing-prototypes -Wcast-qual
-Wold-style-definition -Wc++-compat -Wmissing-format-attribute
-pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings
-fno-common -Wno-error -DHAVE_CONFIG_H -DGENERATOR_FILE -I. -Ibuild
-I/home/micd/gcc-4_4-branch/obj-x86_64-unknown-linux-gnu/../gcc
-I/home/micd/gcc-4_4-branch/obj-x86_64-unknown-linux-gnu/../gcc/build
-I/home/micd/gcc-4_4-branch/obj-x86_64-unknown-linux-gnu/../gcc/../include
-I/home/micd/gcc-4_4-branch/obj-x86_64-unknown-linux-gnu/../gcc/../libcpp/include
 -I/home/micd/gcc-4_4-branch/obj-x86_64-unknown-linux-gnu/../gcc/../libdecnumber
-I/home/micd/gcc-4_4-branch/obj-x86_64-unknown-linux-gnu/../gcc/../libdecnumber/bid
-I../libdecnumber -o build/gengtype-lex.o gengtype-lex.c
gcc: gengtype-lex.c: No such file or directory
gcc: no input files
make[3]: *** [build/gengtype-lex.o] Error 1
make[3]: Leaving directory
`/home/micd/gcc-4_4-branch/obj-x86_64-unknown-linux-gnu/gcc'
make[2]: *** [all-stage1-gcc] Error 2
make[2]: Leaving directory
`/home/micd/gcc-4_4-branch/obj-x86_64-unknown-linux-gnu'
make[1]: *** [stage1-bubble] Error 2
make[1]: Leaving directory
`/home/micd/gcc-4_4-branch/obj-x86_64-unknown-linux-gnu'
make: *** [all] Error 2
Although I do have flex:
$ sudo apt-get install flex
Reading package lists... Done
Building dependency tree
Reading state information... Done
flex is already the newest version.
David
2009年3月30日 Andrew Haley <aph@redhat.com>:
> This is how you use the newest Classapth with gcj:
>>  $ svn co http://gcc.gnu.org/svn/gcc/branches/gcc-4_4-branch/
>  $ mkdir gcc-4_4-branch/obj-x86_64-unknown-linux-gnu
>  $ cd gcc-4_4-branch/obj-x86_64-unknown-linux-gnu
>  $ `pwd`/../configure --enable-languages=java --prefix=/local/gcc-4_4-branch/install --enable-java-home
>  $ make && make install
>  $ /local/gcc-4_4-branch/install/lib/jvm/bin/java -version
> java version "1.5.0"
> gij (GNU libgcj) version 4.4.0 20090330 (prerelease)
>> Copyright (C) 2007 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>> Substitute your own arch-dependent values.  Feel free to ask more questions
> if you have any trouble.
>> Cheers,
> Andrew.
>>