http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55784
Bug #: 55784 Summary: [4.8 regression] declaration of C function 'const char* strsignal(int)' conflicts with /usr/include/string.h:112: error: previous declaration Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassig...@gcc.gnu.org ReportedBy: ger...@pfeifer.com This happened in the last 24 hours and seems to affect all versions of FreeBSD (explicitly amd64-unknown-freebsd8.2 and i386-unknown-freebsd10.0): g++ -c -g -DIN_GCC -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -fno-common -DHAVE_CONFIG_H -DGENERATOR_FILE -I. -Ibuild -I/scratch2/tmp/gerald/gcc-HEAD/gcc -I/scratch2/tmp/gerald/gcc-HEAD/gcc/build -I/scratch2/tmp/gerald/gcc-HEAD/gcc/../include -I./../intl -I/scratch2/tmp/gerald/gcc-HEAD/gcc/../libcpp/include -I/home/gerald/10-i386/include -I/scratch2/tmp/gerald/gcc-HEAD/gcc/../libdecnumber -I/scratch2/tmp/gerald/gcc-HEAD/gcc/../libdecnumber/dpd -I../libdecnumber -I/scratch2/tmp/gerald/gcc-HEAD/gcc/../libbacktrace \ -o build/genconstants.o /scratch2/tmp/gerald/gcc-HEAD/gcc/genconstants.c In file included from /scratch2/tmp/gerald/gcc-HEAD/gcc/system.h:198, from /scratch2/tmp/gerald/gcc-HEAD/gcc/genconstants.c:29: /usr/include/sys/types.h:187: error: declaration does not declare anything In file included from /scratch2/tmp/gerald/gcc-HEAD/gcc/genconstants.c:29: /scratch2/tmp/gerald/gcc-HEAD/gcc/system.h:502: error: declaration of C function 'const char* strsignal(int)' conflicts with /usr/include/string.h:112: error: previous declaration 'char* strsignal(int)' here gmake[3]: *** [build/genconstants.o] Error 1 gmake[3]: Leaving directory `/scratch2/tmp/gerald/OBJ-1222-0104/gcc' gmake[2]: *** [all-stage1-gcc] Error 2 gmake[2]: Leaving directory `/scratch2/tmp/gerald/OBJ-1222-0104' gmake[1]: *** [stage1-bubble] Error 2 gmake[1]: Leaving directory `/scratch2/tmp/gerald/OBJ-1222-0104' gmake: *** [all] Error 2 The respective lines of /usr/include/sys/types.h are the following: 186 #ifndef _RLIM_T_DECLARED 187 typedef __rlim_t rlim_t; /* resource limit */ 188 #define _RLIM_T_DECLARED 189 #endif though I'd focus on the other issue first.