Re: Check for ffs declaration in gcc/configure.ac

2012-08-20 Thread Richard Guenther
On Mon, Aug 20, 2012 at 1:28 PM, Joseph S. Myers wrote: > Building a cross compiler from i686-mingw32 to arm-none-eabi fails > after the move to build as C++ because config/arm/neon.md uses ffs but > no MinGW header declares ffs (and unlike in C, an implicit declaration > of this built-in function

Check for ffs declaration in gcc/configure.ac

2012-08-20 Thread Joseph S. Myers
Building a cross compiler from i686-mingw32 to arm-none-eabi fails after the move to build as C++ because config/arm/neon.md uses ffs but no MinGW header declares ffs (and unlike in C, an implicit declaration of this built-in function can't be used). This patch fixes this issue by making the gcc d