Hi, I am trying to build gcc and I would like gcc to map (by default) "long double" to 128-bit. What option should I pass to "configure" script to get this behaviour ? I'm running a 32-bit OS [ Ubuntu 10.10 ] on intel core i3 processor. Currently sizeof( long double) prints 12 bytes, i.e., 96 bits. PS: I do not like to specify the flag "-m128bit-long-double" to every C program I compile. Instead, I want gcc to use 16-byte (128-bit) by default without the end user having to specify this flag. Is this possible ? For sake of completeness, [gnu]:15 $ gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/home/god/gcc/libexec/gcc/i786-pc-linux-gnu/4.7.0/lto-wrapper Target: i786-pc-linux-gnu Configured with: ./configure --prefix=/home/god/gnu/installed/gcc --enable-languages=c,fortran --build=i786-pc-linux-gnu --enable-checking=release --disable-libmudflap --enable-libgomp --disable-shared --disable-bootstrap Thread model: posix gcc version 4.7.0 20110319 (experimental) (GCC) Thanks ! -- -- Satish.BD
