Created attachment 570278 [details] reproducer Compile of the attached source fails with "undefined reference to `__builtin_irintf'" <mock-chroot>[root@devel1 src]# gcc -std=gnu99 -pthread -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -marune=z10 -W -Wextra -Wno-long-long -Wvla -Wno-overlength-strings -Wunsafe-loop-optimizations -Wundef -Wformat=2 -Wlogical-op -Wsign-compare -Wformat-security -Wmissing-include-dirs -Wformat-nonliteral -Wpointer-arith -Winit-self -Wdeclaration-after-statement -Wfloat-equal -Wmissing-prototypes -Wredundant-decls -Wmissing-declarations -Wmissing-noreturn -Wshadow -Wendif-labels -Wcast-align -Wstrict-aliasing -Wwrite-strings -Wno-unused-parameter -ffast-math -fno-common -fdiagnostics-show-option rint.c -o rint /tmp/ccxad5mm.o: In function `u8_from_float32ne': /builddir/build/BUILD/pulseaudio-1.1/src/rint.c:10: undefined reference to `__builtin_irintf' collect2: error: ld returned 1 exit status gcc version 4.7.0 20120308 (Red Hat 4.7.0-0.19) (GCC) This is minimalized source from pulseaudio build, see http://s390.koji.fedoraproject.org/koji/taskinfo?taskID=617299 for real life example
gcc-4.7.0-0.20.fc17 has been submitted as an update for Fedora 17. https://admin.fedoraproject.org/updates/gcc-4.7.0-0.20.fc17
I confirm the update fixes the issue.
Package gcc-4.7.0-0.20.fc17: * should fix your issue, * was pushed to the Fedora 17 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing gcc-4.7.0-0.20.fc17' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2012-3967/gcc-4.7.0-0.20.fc17 then log in and leave karma (feedback).
gcc-4.7.0-0.20.fc17 has been pushed to the Fedora 17 stable repository. If problems still persist, please make note of it in this bug report.