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gcc: don't disable decimal-float when cross-compiling

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This causes some minor ugliness during stdenv bootstrap on powerpc64le
using cross-compiled bootstrap tools. MPFR wants to use decimal floats
by default so they have to be manually disabled in the configure flags
when using cross-compiled bootstrap tools.

The lineage of this particular configure flag traces back to 2010 (!)
It was added in commit: 9b1d5353a951a29e33a3a137cb3d5246c1eff6a7
I've built various cross bootstrap tools and they seem to work fine,
so I don't think this is needed anymore.
This commit is contained in:
Ryan Burns 2021-02-19 18:42:25 -08:00
parent 2f6523f96b
commit f74c281386
1 changed files with 0 additions and 1 deletions
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pkgs/development/compilers/gcc/common/configure-flags.nix
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@ -86,7 +86,6 @@ let
else if targetPlatform.isWindows then "mcf" else if targetPlatform.isWindows then "mcf"
else "single"}" else "single"}"
"--enable-nls" "--enable-nls"
"--disable-decimal-float" # No final libdecnumber (it may work only in 386)
] ++ lib.optionals (targetPlatform.libc == "uclibc" || targetPlatform.libc == "musl") [ ] ++ lib.optionals (targetPlatform.libc == "uclibc" || targetPlatform.libc == "musl") [
# libsanitizer requires netrom/netrom.h which is not # libsanitizer requires netrom/netrom.h which is not
# available in uclibc. # available in uclibc.