This happens with gcc 4.1.1 too.
Linux 2.6.19 (pure x86_64 system without 32bit libraries)
glibc 2.5
gcc 4.1.1
/usr/include/asm contains the correct kernel x86_64 headers
make[5]: Entering directory
`/home/fraga/src/b/x86_64-unknown-linux-gnu/32/libjava'
depbase=`echo prims.lo | sed 's|[^/]*$|.deps/&|;s|\.lo$||'`; \
if /bin/sh ./libtool --mode=compile /home/fraga/src/b/./gcc/xgcc
-shared-libgcc -B/home/fraga/src/b/./gcc -nostdinc++
-L/home/fraga/src/b/x86_64-unknown-linux-gnu/32/libstdc++-v3/src
-L/home/fraga/src/b/x86_64-unknown-linux-gnu/32/libstdc++-v3/src/.libs
-B/usr/local/x86_64-unknown-linux-gnu/bin/
-B/usr/local/x86_64-unknown-linux-gnu/lib/ -isystem
/usr/local/x86_64-unknown-linux-gnu/include -isystem
/usr/local/x86_64-unknown-linux-gnu/sys-include -m32 -DHAVE_CONFIG_H -I.
-I../../../../gcc-4.2-20070124/libjava -I./include -I./gcj
-I../../../../gcc-4.2-20070124/libjava -Iinclude
-I../../../../gcc-4.2-20070124/libjava/include
-I../../../../gcc-4.2-20070124/libjava/classpath/include -Iclasspath/include
-I../../../../gcc-4.2-20070124/libjava/classpath/native/fdlibm
-I../../../../gcc-4.2-20070124/libjava/../boehm-gc/include
-I../boehm-gc/include -I../../../../gcc-4.2-20070124/libjava/libltdl
-I../../../../gcc-4.2-20070124/libjava/libltdl
-I../../../../gcc-4.2-20070124/libjava/.././libjava/../gcc
-I../../../../gcc-4.2-20070124/libjava/../zlib
-I../../../../gcc-4.2-20070124/libjava/../libffi/include -I../libffi/include
-fno-rtti -fnon-call-exceptions -fdollars-in-identifiers -Wswitch-enum
-D_FILE_OFFSET_BITS=64 -ffloat-store -fomit-frame-pointer -Wextra -Wall
-D_GNU_SOURCE -DPREFIX="\"/usr/local\""
-DTOOLEXECLIBDIR="\"/usr/local/lib/../lib\"" -DJAVA_HOME="\"/usr/local\""
-DBOOT_CLASS_PATH="\"/usr/local/share/java/libgcj-4.2.0.jar\""
-DJAVA_EXT_DIRS="\"/usr/local/share/java/ext\""
-DGCJ_ENDORSED_DIRS="\"/usr/local/share/java/gcj-endorsed\""
-DGCJ_VERSIONED_LIBDIR="\"/usr/local/lib/../lib/gcj-4.2.0\""
-DPATH_SEPARATOR="\":\""
-DLIBGCJ_DEFAULT_DATABASE="\"/usr/local/lib/../lib/gcj-4.2.0/classmap.db\""
-DLIBGCJ_DEFAULT_DATABASE_PATH_TAIL="\"gcj-4.2.0/classmap.db\"" -O2
-march=athlon64 -msse3 -pipe -ftree-vectorize -D_GNU_SOURCE -m32 -MT prims.lo
-MD -MP -MF "$depbase.Tpo" -c -o prims.lo
../../../../gcc-4.2-20070124/libjava/prims.cc; \
then mv -f "$depbase.Tpo" "$depbase.Plo"; else rm -f "$depbase.Tpo";
exit 1; fi
/home/fraga/src/b/./gcc/xgcc -shared-libgcc -B/home/fraga/src/b/./gcc
-nostdinc++ -L/home/fraga/src/b/x86_64-unknown-linux-gnu/32/libstdc++-v3/src
-L/home/fraga/src/b/x86_64-unknown-linux-gnu/32/libstdc++-v3/src/.libs
-B/usr/local/x86_64-unknown-linux-gnu/bin/
-B/usr/local/x86_64-unknown-linux-gnu/lib/ -isystem
/usr/local/x86_64-unknown-linux-gnu/include -isystem
/usr/local/x86_64-unknown-linux-gnu/sys-include -m32 -DHAVE_CONFIG_H -I.
-I../../../../gcc-4.2-20070124/libjava -I./include -I./gcj
-I../../../../gcc-4.2-20070124/libjava -Iinclude
-I../../../../gcc-4.2-20070124/libjava/include
-I../../../../gcc-4.2-20070124/libjava/classpath/include -Iclasspath/include
-I../../../../gcc-4.2-20070124/libjava/classpath/native/fdlibm
-I../../../../gcc-4.2-20070124/libjava/../boehm-gc/include
-I../boehm-gc/include -I../../../../gcc-4.2-20070124/libjava/libltdl
-I../../../../gcc-4.2-20070124/libjava/libltdl
-I../../../../gcc-4.2-20070124/libjava/.././libjava/../gcc
-I../../../../gcc-4.2-20070124/libjava/../zlib
-I../../../../gcc-4.2-20070124/libjava/../libffi/include -I../libffi/include
-fno-rtti -fnon-call-exceptions -fdollars-in-identifiers -Wswitch-enum
-D_FILE_OFFSET_BITS=64 -ffloat-store -fomit-frame-pointer -Wextra -Wall
-D_GNU_SOURCE -DPREFIX=\"/usr/local\"
-DTOOLEXECLIBDIR=\"/usr/local/lib/../lib\" -DJAVA_HOME=\"/usr/local\"
-DBOOT_CLASS_PATH=\"/usr/local/share/java/libgcj-4.2.0.jar\"
-DJAVA_EXT_DIRS=\"/usr/local/share/java/ext\"
-DGCJ_ENDORSED_DIRS=\"/usr/local/share/java/gcj-endorsed\"
-DGCJ_VERSIONED_LIBDIR=\"/usr/local/lib/../lib/gcj-4.2.0\"
-DPATH_SEPARATOR=\":\"
-DLIBGCJ_DEFAULT_DATABASE=\"/usr/local/lib/../lib/gcj-4.2.0/classmap.db\"
-DLIBGCJ_DEFAULT_DATABASE_PATH_TAIL=\"gcj-4.2.0/classmap.db\" -O2
-march=athlon64 -msse3 -pipe -ftree-vectorize -D_GNU_SOURCE -m32 -MT prims.lo
-MD -MP -MF .deps/prims.Tpo -c ../../../../gcc-4.2-20070124/libjava/prims.cc
-fPIC -DPIC -o .libs/prims.o
../../../../gcc-4.2-20070124/libjava/prims.cc:107: warning: deprecated
conversion from string constant to 'char*'
../../../../gcc-4.2-20070124/libjava/prims.cc: In function 'void
catch_fpe(int)':
../../../../gcc-4.2-20070124/libjava/prims.cc:173: warning: dereferencing
type-punned pointer will break strict-aliasing rules
../../../../gcc-4.2-20070124/libjava/prims.cc: In function 'jint
_Jv_CreateJavaVM(JvVMInitArgs*)':
../../../../gcc-4.2-20070124/libjava/prims.cc:1442: error: 'SYS_sigaction' was
not declared in this scope
../../../../gcc-4.2-20070124/libjava/prims.cc:1446: error: 'SYS_sigaction' was
not declared in this scope
./include/java-signal-aux.h: At global scope:
./include/java-signal-aux.h:112: warning: 'void restore()' declared 'static'
but never defined
{standard input}: Assembler messages:
{standard input}:5: Error: junk at end of line, first unrecognized character is
`*'
{standard input}:6: Error: junk at end of line, first unrecognized character is
`*'
{standard input}:7: Error: expected comma after "_ZGAN8__JArrayC1Ev"
make[5]: *** [prims.lo] Error 1
make[5]: Leaving directory
`/home/fraga/src/b/x86_64-unknown-linux-gnu/32/libjava'
make[4]: *** [all-recursive] Error 1
make[4]: Leaving directory
`/home/fraga/src/b/x86_64-unknown-linux-gnu/32/libjava'
make[3]: *** [multi-do] Error 1
make[3]: Leaving directory `/home/fraga/src/b/x86_64-unknown-linux-gnu/libjava'
make[2]: *** [all-multi] Error 2
make[2]: Leaving directory `/home/fraga/src/b/x86_64-unknown-linux-gnu/libjava'
make[1]: *** [all-target-libjava] Error 2
make[1]: Leaving directory `/home/fraga/src/b'
make: *** [bootstrap] Error 2
I googled and found that SYS_sigaction is only defined on 32 bit arch... so why
is it looking for it? I don't pretend to compile 32 bit programs, so I don't
need it right?
Thanks
--
Summary: Can't compile java frontend on Linux x86_64
(SYS_sigaction undeclared)
Product: gcc
Version: 4.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: java
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: fragabr at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30639
