[Bug fortran/97308] OpenBSD bootstrap fails with error: C++ preprocessor "/lib/cpp" fails sanity check
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97308 Thomas Koenig changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill ||a/show_bug.cgi?id=97304 --- Comment #6 from Thomas Koenig --- The failing config.log from libgomp contains ld: error: unable to find library -lc so this might be closely related to / a duplicate of PR 97304, which has the identical error message for a different BSD version with clang.
[Bug fortran/97308] OpenBSD bootstrap fails with error: C++ preprocessor "/lib/cpp" fails sanity check
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97308 --- Comment #5 from Jonathan Wakely --- ld: error: unable to find library -lc Huh, not sure what causes that one.
[Bug fortran/97308] OpenBSD bootstrap fails with error: C++ preprocessor "/lib/cpp" fails sanity check
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97308 --- Comment #4 from Thomas Koenig --- Created attachment 49320 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49320=edit config.log from failing libgomp OK, so that one isn't a bug. I hope you don't mind if I put in the next failure after bootstrapping with the system compiler, clang 8 (setting CC to cc and CXX to c++): gmake[4]: Leaving directory '/home/tkoenig/trunk-clang/x86_64-unknown-openbsd6.7/libgcc' gmake[3]: Leaving directory '/home/tkoenig/trunk-clang/x86_64-unknown-openbsd6.7/libgcc' mkdir x86_64-unknown-openbsd6.7/libgomp Checking multilib configuration for libgomp... Configuring stage 1 in x86_64-unknown-openbsd6.7/libgomp configure: creating cache ./config.cache checking for --enable-version-specific-runtime-libs... no checking for --enable-generated-files-in-srcdir... no checking build system type... x86_64-unknown-openbsd6.7 checking host system type... x86_64-unknown-openbsd6.7 checking target system type... x86_64-unknown-openbsd6.7 checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for a thread-safe mkdir -p... /usr/local/bin/gmkdir -p checking for gawk... awk checking whether gmake sets $(MAKE)... yes checking whether gmake supports nested variables... yes checking for x86_64-unknown-openbsd6.7-gcc... /home/tkoenig/trunk-clang/./gcc/xgcc -B/home/tkoenig/trunk-clang/./gcc/ -B/home/tkoenig/x86_64-unknown-openbsd6.7/bin/ -B/home/tkoenig/x86_64-unknown-openbsd6.7/lib/ -isystem /home/tkoenig/x86_64-unknown-openbsd6.7/include -system /home/tkoenig/x86_64-unknown-openbsd6.7/sys-include -fno-checking checking whether the C compiler works... no configure: error: in `/home/tkoenig/trunk-clang/x86_64-unknown-openbsd6.7/libgomp': configure: error: C compiler cannot create executables See `config.log' for more details gmake[2]: *** [Makefile:24794: configure-stage1-target-libgomp] Error 77 gmake[2]: Leaving directory '/home/tkoenig/trunk-clang' gmake[1]: *** [Makefile:27002: stage1-bubble] Error 2 gmake[1]: Leaving directory '/home/tkoenig/trunk-clang' gmake: *** [Makefile:1004: all] Error 2 obsd$
[Bug fortran/97308] OpenBSD bootstrap fails with error: C++ preprocessor "/lib/cpp" fails sanity check
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97308 --- Comment #3 from Jonathan Wakely --- The /lib/cpp error is a bit misleading, because that's the last thing it tries to find as a C++ compiler, after exhausting g++ -std=c++11 and various other options that fail with: configure:19863: g++ -std=c++11 -E conftest.cpp cc1plus: error: unrecognized command line option "-std=c++11" As stated in the install docs, you need a C++11 compiler, and the system GCC on OpenBSD probably doesn't recognise the -std=c++11 option. This is not a bug.
[Bug fortran/97308] OpenBSD bootstrap fails with error: C++ preprocessor "/lib/cpp" fails sanity check
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97308 --- Comment #2 from Thomas Koenig --- Created attachment 49319 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49319=edit config.log from gmp subdirectory Here it is. For what it is worth, I now tried bootstrapping with CC=cc and CXX=c++, and things seem to be working (so far).
[Bug fortran/97308] OpenBSD bootstrap fails with error: C++ preprocessor "/lib/cpp" fails sanity check
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97308 --- Comment #1 from Andreas Schwab --- You need to attach the config.log file in `/home/tkoenig/trunk-bin/gmp'.
