With a freshly svn up'ed gcc to the 4.1.0 branch, and an empty obj dir, I get the following compile error on NetBSD-current (3.99.15).
/aux/obj/gcc41/./gcc/xgcc -shared-libgcc -B/aux/obj/gcc41/./gcc -nostdinc++ -L/a ux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/src -L/aux/obj/gcc41/i38 6-unknown-netbsdelf3.99.15/libstdc++-v3/src/.libs -B/usr/local//i386-unknown-net bsdelf3.99.15/bin/ -B/usr/local//i386-unknown-netbsdelf3.99.15/lib/ -isystem /usr/local//i386-unknown-netbsdelf3.99.15/include -isystem /usr/local//i386-unknown-netbsdelf3.99.15/sys-include -I/aux/src/gcc41/libstdc++-v3/../gcc -I/aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15 -I/aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include -I/aux/src/gcc41/libstdc++-v3/libsupc++ -g -O2 -fno-implicit-templates -Wall -Wextra -Wwrite-strings -Wcast-qual -fdiagnostics-show-location=once -ffunction-sections -fdata-sections -c /aux/src/gcc41/libstdc++-v3/libsupc++/eh_alloc.cc -fPIC -DPIC -o eh_alloc.o /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h: In function 'int __gthread_once(__gthread_once_t*, void (*)())': /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h:515: error: '__gthrw_pthread_once' was not declared in this scope /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h: In function 'int __gthread_key_create(__gthread_key_t*, void (*)(void*))': /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h:523: error: '__gthrw_pthread_key_create' was not declared in this scope /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h: In function 'int __gthread_key_delete(__gthread_key_t)': /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h:529: error: '__gthrw_pthread_key_delete' was not declared in this scope /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h: In function 'void* __gthread_getspecific(__gthread_key_t)': /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h:535: error: '__gthrw_pthread_getspecific' was not declared in this scope /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h: In function 'int __gthread_setspecific(__gthread_key_t, const void*)': /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h:541: error: '__gthrw_pthread_setspecific' was not declared in this scope /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h: In function 'int __gthread_mutex_lock(__gthread_mutex_t*)': /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-n etbsdelf3.99.15/bits/gthr-default.h:548: error: '__gthrw_pthread_mutex_lock' was not declared in this scope /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h: In function 'int __gthread_mutex_trylock(__gthread_mutex_t*)': /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h:557: error: '__gthrw_pthread_mutex_trylock' was not declared in this scope /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h: In function 'int __gthread_mutex_unlock(__gthread_mutex_t*)': /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h:566: error: '__gthrw_pthread_mutex_unlock' was not declared in this scope /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h: In function 'int __gthread_recursive_mutex_init_function(__gthread_recursive_mutex_t*)': /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h:580: error: '__gthrw_pthread_mutexattr_init' was not declared in this scope /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h:582: error: '__gthrw_pthread_mutexattr_settype' was not declared in this scope /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h:584: error: '__gthrw_pthread_mutex_init' was not declared in this scope /aux/obj/gcc41/i386-unknown-netbsdelf3.99.15/libstdc++-v3/include/i386-unknown-netbsdelf3.99.15/bits/gthr-default.h:586: error: '__gthrw_pthread_mutexattr_destroy' was not declared in this scope It looks like this might be attributable to the update from 110280 to 111412 of gcc/gthr-posix.h. -- Summary: compilation of c++ fails in eh_alloc.cc on NetBSD Product: gcc Version: 4.1.0 Status: UNCONFIRMED Severity: major Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: dogcow at babymeat dot com GCC build triplet: i386-unknown-netbsdelf GCC host triplet: i386-unknown-netbsdelf GCC target triplet: i386-unknown-netbsdelf http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26489