$ configure --enable-languages=c,c++ --with-ld=/bin/ld --with-as=/bin/as $ make
leads to: In file included from .../obj/powerpc-ibm-aix5.2.0.0/libstdc++-v3/include/cctype:50, from .../gcc-4.2.0/libstdc++-v3/include/precompiled/stdc++.h:38: .../obj/powerpc-ibm-aix5.2.0.0/libstdc++-v3/include/powerpc-ibm-aix5.2.0.0/bits/c++config.h:1087:2: error: #endif without #if While doing: make[4]: Entering directory `/pdv/.ws/jrichter/gcc420/obj/powerpc-ibm-aix5.2.0.0/libstdc++-v3/include' sed: 0602-429 No editing script was provided. Usage: sed [-n] Script [File ...] sed [-n] [-e Script] ... [-f Script_file] ... [File ...] if [ ! -d "./powerpc-ibm-aix5.2.0.0/bits/stdc++.h.gch" ]; then \ mkdir -p ./powerpc-ibm-aix5.2.0.0/bits/stdc++.h.gch; \ fi; \ /ws/jrichter/gcc420/obj/./gcc/xgcc -shared-libgcc -B/ws/jrichter/gcc420/obj/./gcc -nostdinc++ -L/ws/jrichter/gcc420/obj/powerpc-ibm-aix5.2.0.0/libstdc++-v3/src -L/ws/jrichter/gcc420/obj/powerpc-ibm-aix5.2.0.0/libstdc++-v3/src/.libs -B/usr/local/powerpc-ibm-aix5.2.0.0/bin/ -B/usr/local/powerpc-ibm-aix5.2.0.0/lib/ -isystem /usr/local/powerpc-ibm-aix5.2.0.0/include -isystem /usr/local/powerpc-ibm-aix5.2.0.0/sys-include -Winvalid-pch -Wno-deprecated -x c++-header -g -O2 -I/ws/jrichter/gcc420/obj/powerpc-ibm-aix5.2.0.0/libstdc++-v3/include/powerpc-ibm-aix5.2.0.0 -I/ws/jrichter/gcc420/obj/powerpc-ibm-aix5.2.0.0/libstdc++-v3/include -I/ws/jrichter/gcc420/gcc-4.2.0/libstdc++-v3/libsupc++ -O0 -g /ws/jrichter/gcc420/gcc-4.2.0/libstdc++-v3/include/precompiled/stdc++.h -o powerpc-ibm-aix5.2.0.0/bits/stdc++.h.gch/O0g.gch the file .../powerpc-ibm-aix5.2.0.0/libstdc++-v3/include/powerpc-ibm-aix5.2.0.0/bits/c++config.h has as the last line: #endif // _CXXCONFIG_ but no corresponding #ifndef/#define lines of his header guard -- Summary: Build of compiler fails with 'error: #endif without #if' Product: gcc Version: 4.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: joerg dot richter at pdv-fs dot de GCC build triplet: powerpc-ibm-aix5.2.0.0 GCC host triplet: powerpc-ibm-aix5.2.0.0 GCC target triplet: powerpc-ibm-aix5.2.0.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31957