http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45872
Summary: [4.5 Regression] java/net/natVMInetAddress.cc:42:52: error: declaration of C function 'int gethostname(char*, int)' conflicts Product: gcc Version: 4.5.3 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassig...@gcc.gnu.org ReportedBy: domi...@lps.ens.fr Host: x86_64-apple-darwin10.4 Target: x86_64-apple-darwin10.4 Build: x86_64-apple-darwin10.4 Bootstrapping 4.5 revision 164915 on x86_64-apple-darwin10.4 fails with libtool: compile: /opt/gcc/4.5_build/./gcc/xgcc -shared-libgcc -B/opt/gcc/4.5_build/./gcc -nostdinc++ -L/opt/gcc/4.5_build/x86_64-apple-darwin10/libstdc++-v3/src -L/opt/gcc/4.5_build/x86_64-apple-darwin10/libstdc++-v3/src/.libs -B/opt/gcc/gcc4.5/x86_64-apple-darwin10/bin/ -B/opt/gcc/gcc4.5/x86_64-apple-darwin10/lib/ -isystem /opt/gcc/gcc4.5/x86_64-apple-darwin10/include -isystem /opt/gcc/gcc4.5/x86_64-apple-darwin10/sys-include -DHAVE_CONFIG_H -I. -I../../../4.5_work/libjava -I./include -I./gcj -I../../../4.5_work/libjava -Iinclude -I../../../4.5_work/libjava/include -I../../../4.5_work/libjava/classpath/include -Iclasspath/include -I../../../4.5_work/libjava/classpath/native/fdlibm -I../../../4.5_work/libjava/../boehm-gc/include -I../boehm-gc/include -I../../../4.5_work/libjava/libltdl -I../../../4.5_work/libjava/libltdl -I../../../4.5_work/libjava/.././libjava/../gcc -I../../../4.5_work/libjava/../libffi/include -I../libffi/include -I/opt/sw64/include -fno-rtti -fnon-call-exceptions -fdollars-in-identifiers -Wswitch-enum -D_FILE_OFFSET_BITS=64 -fomit-frame-pointer -Wextra -Wall -D_GNU_SOURCE -DPREFIX=\"/opt/gcc/gcc4.5\" -DTOOLEXECLIBDIR=\"/opt/gcc/gcc4.5/lib\" -DJAVA_HOME=\"/opt/gcc/gcc4.5\" -DBOOT_CLASS_PATH=\"/opt/gcc/gcc4.5/share/java/libgcj-4.5.2.jar\" -DJAVA_EXT_DIRS=\"/opt/gcc/gcc4.5/share/java/ext\" -DGCJ_ENDORSED_DIRS=\"/opt/gcc/gcc4.5/share/java/gcj-endorsed\" -DGCJ_VERSIONED_LIBDIR=\"/opt/gcc/gcc4.5/lib/gcj-4.5.2-11\" -DPATH_SEPARATOR=\":\" -DECJ_JAR_FILE=\"\" -DLIBGCJ_DEFAULT_DATABASE=\"/opt/gcc/gcc4.5/lib/gcj-4.5.2-11/classmap.db\" -DLIBGCJ_DEFAULT_DATABASE_PATH_TAIL=\"gcj-4.5.2-11/classmap.db\" -g -O2 -MT java/net/natVMInetAddress.lo -MD -MP -MF java/net/.deps/natVMInetAddress.Tpo -c java/net/natVMInetAddress.cc -fno-common -DPIC -o java/net/.libs/natVMInetAddress.o java/net/natVMInetAddress.cc:42:52: error: declaration of C function 'int gethostname(char*, int)' conflicts with /usr/include/unistd.h:455:6: error: previous declaration 'int gethostname(char*, size_t)' here make[3]: *** [java/net/natVMInetAddress.lo] Error 1 make[3]: *** Waiting for unfinished jobs.... make[2]: *** [all-recursive] Error 1 make[1]: *** [all-target-libjava] Error 2 make: *** [all] Error 2 Note that this step passes with -m32.