http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60498
Bug ID: 60498 Summary: error: 'snprintf' was not declared in this scope Product: gcc Version: 4.8.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: zosrothko at orange dot fr Hi On a Cygwin/win7/x86_64 platform with , one gets this error message when compiling the following source with -std=c++11 while it compiles fine with -std=gnu++11 $ cat foo.c #include <stdio.h> int main(void) { char buf[10]; snprintf(buf, 10, "%i", 0); printf("buf=%s\n", buf); return 0; } $ gcc -xc -std=c90 -c foo.c $ gcc -xc -std=c89 -c foo.c $ $ g++ -xc++ -std=c++11 -c foo.c foo.c: In function 'int main()': foo.c:5:27: error: 'snprintf' was not declared in this scope snprintf(buf, 10, "%i", 0); $ $ g++ -xc++ -std=gnu++11 -c foo.c Context: CYGWIN_NT-6.1 idefix 1.7.28(0.271/5/3) 2014-02-09 21:06 x86_64 Cygwin $ gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-pc-cygwin/4.8.2/lto-wrapper.exe Target: x86_64-pc-cygwin Configured with: /cygdrive/i/szsz/tmpp/cygwin64/gcc/gcc-4.8.2-3/src/gcc-4.8.2/configure --srcdir=/cygdrive/i/szsz/tmpp/cygwin64/gcc/gcc-4.8.2-3/src/gcc-4.8.2 --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --libexecdir=/usr/libexec --datadir=/usr/share --localstatedir=/var --sysconfdir=/etc --libdir=/usr/lib --datarootdir=/usr/share --docdir=/usr/share/doc/gcc --htmldir=/usr/share/doc/gcc/html -C --build=x86_64-pc-cygwin --host=x86_64-pc-cygwin --target=x86_64-pc-cygwin --without-libiconv-prefix --without-libintl-prefix --enable-shared --enable-shared-libgcc --enable-static --enable-version-specific-runtime-libs --enable-bootstrap --disable-__cxa_atexit --with-dwarf2 --with-tune=generic --enable-languages=ada,c,c++,fortran,lto,objc,obj-c++ --enable-graphite --enable-threads=posix --enable-libatomic --enable-libgomp --disable-libitm --enable-libquadmath --enable-libquadmath-support --enable-libssp --enable-libada --enable-libgcj-sublibs --disable-java-awt --disable-symvers --with-ecj-jar=/usr/share/java/ecj.jar --with-gnu-ld --with-gnu-as --with-cloog-include=/usr/include/cloog-isl --without-libiconv-prefix --without-libintl-prefix --with-system-zlib --libexecdir=/usr/lib Thread model: posix gcc version 4.8.2 (GCC)