diff options
| author |   Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> | 2010-10-09 20:49:28 (GMT) |
|---|---|---|
| committer | Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> | 2010-10-09 20:49:28 (GMT) |
| commit | 416eb291985c1e04cddd1dacc6d3111f4cb02f5f (patch) | |
| tree | 6b269996c20725a0d25e433323d44658f40e3aad /config/cc | |
| parent | 8b0af28c69b5c6ad83f30fb4324630a383df7c72 (diff) | |
cc/gcc: add option to enable 128-bit long doubles
Needed by some PPC targets, at least.
Requires gcc 4.2+ (noticed by Arnaud LACOMBE).
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Diffstat (limited to 'config/cc')
| -rw-r--r-- | config/cc/gcc.in.2 | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/config/cc/gcc.in.2 b/config/cc/gcc.in.2 index 1b4926b..c0434a7 100644 --- a/config/cc/gcc.in.2 +++ b/config/cc/gcc.in.2 @@ -105,3 +105,16 @@ config CC_GCC_LIBMUDFLAP re-compilation and re-link, while it exists better run-time alternatives (eg. DUMA, dmalloc...) that need neither re- compilation nor re-link. + +config CC_GCC_LDBL_128 + tristate + prompt "Enable 128-bit long doubles" + default m + depends on CC_GCC_4_2_or_later + help + Saying 'Y' will force gcc to use 128-bit wide long doubles + Saying 'N' will force gcc to use 64-bit wide long doubles + Saying 'M' will let gcc choose (default is 128-bit for + glibc >= 2.4, 64-bit otherwise) + + If in doubt, keep the default, ie. 'M'. |