r225272 caused: spawn -ignore SIGHUP /export/build/gnu/gcc-32bit/build-i686-linux/./gcc/xg++ -shared-libgcc -B/export/build/gnu/gcc-32bit/build-i686-linux/./gcc -nostdinc++ -L/export/build/gnu/gcc-32bit/build-i686-linux/i686-linux/libstdc++-v3/src -L/export/build/gnu/gcc-32bit/build-i686-linux/i686-linux/libstdc++-v3/src/.libs -L/export/build/gnu/gcc-32bit/build-i686-linux/i686-linux/libstdc++-v3/libsupc++/.libs -B/usr/gcc-6.0.0/i686-linux/bin/ -B/usr/gcc-6.0.0/i686-linux/lib/ -isystem /usr/gcc-6.0.0/i686-linux/include -isystem /usr/gcc-6.0.0/i686-linux/sys-include -B/export/build/gnu/gcc-32bit/build-i686-linux/i686-linux/./libstdc++-v3/src/.libs -D_GLIBCXX_ASSERT -fmessage-length=0 -ffunction-sections -fdata-sections -g -O2 -D_GNU_SOURCE -DLOCALEDIR="." -nostdinc++ -I/export/build/gnu/gcc-32bit/build-i686-linux/i686-linux/libstdc++-v3/include/i686-linux -I/export/build/gnu/gcc-32bit/build-i686-linux/i686-linux/libstdc++-v3/include -I/export/gnu/import/git/sources/gcc/libstdc++-v3/libsupc++ -I/export/gnu/import/git/sources/gcc/libstdc++-v3/include/backward -I/export/gnu/import/git/sources/gcc/libstdc++-v3/testsuite/util /export/gnu/import/git/sources/gcc/libstdc++-v3/testsuite/23_containers/multiset/modifiers/erase/dr130-linkage-check.cc -fno-inline -std=gnu++11 ./testsuite_shared.so ./libtestc++.a -Wl,--gc-sections -L/export/build/gnu/gcc-32bit/build-i686-linux/i686-linux/libstdc++-v3/src/filesystem/.libs -lm -o ./dr130-linkage-check.exe /tmp/ccJO7g8A.o: In function `void __gnu_test::linkage_check_cxx98_cxx11_erase<std::multiset<int, std::less<int>, std::allocator<int> > >(std::multiset<int, std::less<int>, std::allocator<int> >&)': /export/gnu/import/git/sources/gcc/libstdc++-v3/testsuite/util/testsuite_containers.h:261: undefined reference to `__gnu_test::erase_external(std::multiset<int, std::less<int>, std::allocator<int> >&)' /tmp/ccJO7g8A.o: In function `void __gnu_test::linkage_check_cxx98_cxx11_erase_iterators<std::multiset<int, std::less<int>, std::allocator<int> > >(std::multiset<int, std::less<int>, std::allocator<int> >&)': /export/gnu/import/git/sources/gcc/libstdc++-v3/testsuite/util/testsuite_containers.h:272: undefined reference to `__gnu_test::erase_external_iterators(std::multiset<int, std::less<int>, std::allocator<int> >&)' collect2: error: ld returned 1 exit status compiler exited with status 1 output is: /tmp/ccJO7g8A.o: In function `void __gnu_test::linkage_check_cxx98_cxx11_erase<std::multiset<int, std::less<int>, std::allocator<int> > >(std::multiset<int, std::less<int>, std::allocator<int> >&)': /export/gnu/import/git/sources/gcc/libstdc++-v3/testsuite/util/testsuite_containers.h:261: undefined reference to `__gnu_test::erase_external(std::multiset<int, std::less<int>, std::allocator<int> >&)' /tmp/ccJO7g8A.o: In function `void __gnu_test::linkage_check_cxx98_cxx11_erase_iterators<std::multiset<int, std::less<int>, std::allocator<int> > >(std::multiset<int, std::less<int>, std::allocator<int> >&)': /export/gnu/import/git/sources/gcc/libstdc++-v3/testsuite/util/testsuite_containers.h:272: undefined reference to `__gnu_test::erase_external_iterators(std::multiset<int, std::less<int>, std::allocator<int> >&)' collect2: error: ld returned 1 exit status FAIL: 23_containers/multiset/modifiers/erase/dr130-linkage-check.cc (test for excess errors) Should this test be updated since we default to C++14 now?
Confirmed.
We either need to change how we build testsuite_shared.cc, or change what goes into it. --- a/libstdc++-v3/testsuite/lib/libstdc++.exp +++ b/libstdc++-v3/testsuite/lib/libstdc++.exp @@ -668,7 +668,7 @@ proc v3-build_support { } { # Compile with "-w" so that warnings issued by the compiler # do not prevent compilation. if { [v3_target_compile $srcdir/util/$f $object_file "sharedlib" \ - [list "incdir=$srcdir" "additional_flags=-fno-inline -w -shared -fPIC -DPIC"]] + [list "incdir=$srcdir" "additional_flags=-fno-inline -w -shared -fPIC -DPIC -std=gnu++98"]] != "" } { error "could not compile $f" }
Author: redi Date: Wed Jul 29 14:56:11 2015 New Revision: 226354 URL: https://gcc.gnu.org/viewcvs?rev=226354&root=gcc&view=rev Log: PR libstdc++/66829 * testsuite/lib/libstdc++.exp (v3-build_support): Compile testsuite_shared.cc with -std=gnu++98. Modified: trunk/libstdc++-v3/ChangeLog trunk/libstdc++-v3/testsuite/lib/libstdc++.exp
fixed