http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55819
Bug #: 55819 Summary: Conflicting declaration of getcwd breaks mingw-w64 compile Classification: Unclassified Product: gcc Version: unknown Status: UNCONFIRMED Severity: major Priority: P3 Component: c AssignedTo: unassig...@gcc.gnu.org ReportedBy: lailavrazda1...@gmail.com Output when compiling on x86_64-unknown-linux-gnu for x86_64-w64-mingw32: x86_64-w64-mingw32-g++ -c -DIN_GCC_FRONTEND -g -O2 -DIN_GCC -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -DHAVE_CONFIG_H -I. -Ic -I../../gcc-4.8.0/gcc -I../../gcc-4.8.0/gcc/c -I../../gcc-4.8.0/gcc/../include -I../../gcc-4.8.0/gcc/../libcpp/include -I/root/win64-build/native/include -I/root/win64-build/native/include -I/root/win64-build/native/include -I../../gcc-4.8.0/gcc/../libdecnumber -I../../gcc-4.8.0/gcc/../libdecnumber/bid -I../libdecnumber -I../../gcc-4.8.0/gcc/../libbacktrace -DCLOOG_INT_GMP -I/root/win64-build/native/include ../../gcc-4.8.0/gcc/c/c-lang.c -o c/c-lang.o In file included from ../../gcc-4.8.0/gcc/c/c-lang.c:24:0: ../../gcc-4.8.0/gcc/system.h:426:36: error: declaration of C function 'char* getcwd(char*, size_t)' conflicts with In file included from /usr/lib/gcc/x86_64-w64-mingw32/4.7.2/../../../../x86_64-w64-mingw32/include/unistd.h:10:0, from ../../gcc-4.8.0/gcc/system.h:256, from ../../gcc-4.8.0/gcc/c/c-lang.c:24: /usr/lib/gcc/x86_64-w64-mingw32/4.7.2/../../../../x86_64-w64-mingw32/include/io.h:266:17: error: previous declaration 'char* getcwd(char*, int)' here make[1]: *** [c/c-lang.o] Error 1 make[1]: Leaving directory `/root/win64-build/src/gcc-build/gcc' make: *** [all-gcc] Error 2