I got "error: impossible constraint in ÂeasmÂf" on the build time. It only happens building with "-arch ppc" option. There is no errors in case I choice "-arch i386"/"-arch x86_64".
gcc -arch ppc -c -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Wold-style-definition -Wc++-compat -fno-common -DHAVE_CONFIG_H -I. -I. -I../../../../../gcc -I../../../../../gcc/. -I../../../../../gcc/../include -I./../intl -I../../../../../gcc/../libcpp/include -I/opt/gcc4build/include -I/opt/gcc4build/include -I../../../../../gcc/../libdecnumber -I../../../../../gcc/../libdecnumber/dpd -I../libdecnumber -I. -I. -I../../../../../gcc -I../../../../../gcc/. -I../../../../../gcc/../include -I./../intl -I../../../../../gcc/../libcpp/include -I/opt/gcc4build/include -I/opt/gcc4build/include -I../../../../../gcc/../libdecnumber -I../../../../../gcc/../libdecnumber/dpd -I../libdecnumber ../../../../../gcc/config/i386/driver-i386.c ../../../../../gcc/config/i386/driver-i386.c: In function Âedetect_l2_cacheÂf: ../../../../../gcc/config/i386/driver-i386.c:68: error: impossible constraint in ÂeasmÂf make[1]: *** [driver-i386.o] Error 1 make: *** [all-gcc] Error 2 the result of host gcc -v is: Using built-in specs. Target: i686-apple-darwin10 Configured with: /var/tmp/gcc/gcc-5646.1~2/src/configure --disable-checking --enable-werror --prefix=/usr --mandir=/share/man --enable-languages=c,objc,c++,obj-c++ --program-transform-name=/^[cg][^.-]*$/s/$/-4.2/ --with-slibdir=/usr/lib --build=i686-apple-darwin10 --with-gxx-include-dir=/include/c++/4.2.1 --program-prefix=i686-apple-darwin10- --host=x86_64-apple-darwin10 --target=i686-apple-darwin10 Thread model: posix gcc version 4.2.1 (Apple Inc. build 5646) (dot 1) -- Summary: error: impossible constraint in ÂeasmÂf Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: monaka at monami-software dot com GCC build triplet: i386-apple-darwin10.2.0 GCC host triplet: i386-apple-darwin10.2.0 GCC target triplet: i386-elf http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42785