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# HG changeset patch # User "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> # Date 1286573940 -7200 # Node ID c8ad4465912eaaa6294e55949b3e37c641739738 # Parent 17e9137b962e7b6b36a8c82057d66564f79270f5 cc/gcc: add option to enable 128-bit long doubles Needed by some PPC targets, at least. Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> diff --git a/config/cc/gcc.in.2 b/config/cc/gcc.in.2 --- a/config/cc/gcc.in.2 +++ b/config/cc/gcc.in.2 @@ -105,3 +105,15 @@ 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 + 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'. diff --git a/scripts/build/cc/gcc.sh b/scripts/build/cc/gcc.sh --- a/scripts/build/cc/gcc.sh +++ b/scripts/build/cc/gcc.sh @@ -191,6 +191,12 @@ extra_config+=("--enable-target-optspace") fi + case "${CT_CC_GCC_LDBL_128}" in + Y) extra_config+=("--with-long-double-128");; + M) ;; + "") extra_config+=("--without-long-double-128");; + esac + CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'" # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532) @@ -420,6 +426,12 @@ extra_config+=("--disable-libstdcxx-pch") fi + case "${CT_CC_GCC_LDBL_128}" in + Y) extra_config+=("--with-long-double-128");; + M) ;; + "") extra_config+=("--without-long-double-128");; + esac + CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'" # --enable-symvers=gnu really only needed for sh4 to work around a -- For unsubscribe information see http://sourceware.org/lists.html#faq
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