From 416eb291985c1e04cddd1dacc6d3111f4cb02f5f Mon Sep 17 00:00:00 2001 From: "Yann E. MORIN\"" Date: Sat, 9 Oct 2010 22:49:28 +0200 Subject: 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" --- config/cc/gcc.in.2 | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'config') diff --git a/config/cc/gcc.in.2 b/config/cc/gcc.in.2 index 1b4926b4..c0434a7b 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'. -- cgit v1.2.3