Top "Gcc4" questions

How to set gcc 4.3 default specs file?

When using gcc version 4.3.2, I see how to generate specs using: $ /usr/local/gcc-4.3.2/bin/gcc -v Using built-in specs …

c++ c gcc gcc4

How to make OpenMP work with MinGW-64 under Cygwin?

The Scenario I am developing an application in C99 ANSI C that uses OpenMP and GMP. It's natural habitat will …

cygwin 64-bit openmp gcc4 mingw-w64

What exactly does -march=native do?

Gentoo Wiki told me the following: Warning: GCC 4.2 and above support -march=native. -march=native applies additional settings beyond -march, …

c++ c gcc gcc4

error: unable to find string literal operator "" SLASHES

I'm trying to build qtCreator 2.3 with gcc 4.7 and I'm getting following error: error: unable to find string literal operator "" I'm …

c++ qt gcc4

Why does this code cause a Floating point exception - SIGFPE

Using gcc 4.7: $ gcc --version gcc (GCC) 4.7.0 20120505 (prerelease) Code listing (test.c): #include <stdint.h> struct test { int before; …

c exception compiler-optimization gcc4

What is the default for gcc -march option?

The gcc info file says in the section on x86-64 specific flags, among other things: There is no `-march=…

gcc gcc4 gcc4.7