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From: "woody77 at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: java-prs@gcc.gnu.org Subject: [Bug java/32619] New: -static-libgcj includes entire gnu classpath (>30MB executable from 95byte source) Date: Wed, 04 Jul 2007 02:28:00 -0000 [thread overview] Message-ID: <bug-32619-14796@http.gcc.gnu.org/bugzilla/> (raw) Using the 20070501 prerelease of gcc 4.2.0, to compile the following sample app: public class Foo { public static void main(String args[]) { System.out.println("Hello."); } } with the following command-line: /usr/local/bin/gcj -v -save-temps -o Foo -static-libgcj --main=Foo Foo.java yeilds a 35MB executable: -rwxr-xr-x 1 aaron aaron 35M 2007-07-03 19:12 Foo* compiler output: Using built-in specs. Reading specs from /usr/local/lib/gcc/i686-pc-linux-gnu/4.2.0/../../../libgcj.spec rename spec startfile to startfileorig rename spec lib to liborig Target: i686-pc-linux-gnu Configured with: ./configure Thread model: posix gcc version 4.2.0 20070501 (prerelease) /usr/local/libexec/gcc/i686-pc-linux-gnu/4.2.0/jc1 Foo.java -fhash-synchronization -fno-use-divide-subroutine -fuse-boehm-gc -fnon-call-exceptions -fkeep-inline-functions -quiet -dumpbase Foo.java -mtune=generic -auxbase Foo -g1 -version -o Foo.s GNU Java version 4.2.0 20070501 (prerelease) (i686-pc-linux-gnu) compiled by GNU C version 4.2.0 20070501 (prerelease). GGC heuristics: --param ggc-min-expand=64 --param ggc-min-heapsize=64499 Class path starts here: ./ /usr/local/share/java/libgcj-4.2.0.jar/ (system) (zip) as --traditional-format -V -Qy -o Foo.o Foo.s GNU assembler version 2.17.50 (i486-linux-gnu) using BFD version 2.17.50 20070103 Ubuntu /usr/local/libexec/gcc/i686-pc-linux-gnu/4.2.0/jvgenmain Foomain Foomain.i /usr/local/libexec/gcc/i686-pc-linux-gnu/4.2.0/cc1 Foomain.i -quiet -dumpbase Foomain.c -mtune=generic -g1 -version -fdollars-in-identifiers -o Foomain.s GNU C version 4.2.0 20070501 (prerelease) (i686-pc-linux-gnu) compiled by GNU C version 4.2.0 20070501 (prerelease). GGC heuristics: --param ggc-min-expand=64 --param ggc-min-heapsize=64499 Compiler executable checksum: 14e4aa58d7d80bfc23a75bbd5755fd63 as --traditional-format -V -Qy -o Foomain.o Foomain.s GNU assembler version 2.17.50 (i486-linux-gnu) using BFD version 2.17.50 20070103 Ubuntu /usr/local/libexec/gcc/i686-pc-linux-gnu/4.2.0/collect2 --eh-frame-hdr -m elf_i386 -dynamic-linker /lib/ld-linux.so.2 -o Foo /usr/lib/crt1.o /usr/lib/crti.o /usr/local/lib/gcc/i686-pc-linux-gnu/4.2.0/crtbegin.o -L/usr/local/lib/gcc/i686-pc-linux-gnu/4.2.0 -L/usr/local/lib/gcc/i686-pc-linux-gnu/4.2.0/../../.. Foomain.o Foo.o -lgcc_s -lgcc -non_shared -lgcj -call_shared -lm -lpthread -lrt -ldl -lgcc_s -lgcc -lc -lgcc_s -lgcc /usr/local/lib/gcc/i686-pc-linux-gnu/4.2.0/crtend.o /usr/lib/crtn.o ============== It appears as if the linker isn't removing uncalled functions from the resulting binary. I will try to build this the old way as well, to see if I get the same issue there. -- Summary: -static-libgcj includes entire gnu classpath (>30MB executable from 95byte source) Product: gcc Version: 4.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: java AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: woody77 at gmail dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32619
next reply other threads:[~2007-07-04 2:28 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2007-07-04 2:28 woody77 at gmail dot com [this message] 2007-07-04 2:40 ` [Bug java/32619] " woody77 at gmail dot com 2007-07-04 3:23 ` [Bug libgcj/32619] " pinskia at gcc dot gnu dot org 2007-07-04 6:59 ` mtrudel at gmx dot ch 2007-07-04 19:22 ` woody77 at gmail dot com 2007-07-05 7:03 ` mtrudel at gmx dot ch
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