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gcc47: Adding gcc mode, cross-building.

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It's useful to build toolchains for armv7-m, to set thumb mode. It doesn't
support arm mode. chaoflow needed it.
This commit is contained in:
Lluís Batlle i Rossell 2012-12-28 20:20:37 +01:00
parent 60de7967da
commit fde74242bf
1 changed files with 3 additions and 0 deletions
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3
pkgs/development/compilers/gcc/4.7/default.nix
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@ -89,9 +89,11 @@ let version = "4.7.2";
gccArch = stdenv.lib.attrByPath [ "gcc" "arch" ] null cross;
gccCpu = stdenv.lib.attrByPath [ "gcc" "cpu" ] null cross;
gccAbi = stdenv.lib.attrByPath [ "gcc" "abi" ] null cross;
gccMode = stdenv.lib.attrByPath [ "gcc" "mode" ] null cross;
withArch = if gccArch != null then " --with-arch=${gccArch}" else "";
withCpu = if gccCpu != null then " --with-cpu=${gccCpu}" else "";
withAbi = if gccAbi != null then " --with-abi=${gccAbi}" else "";
withMode = if gccMode != null then " --with-mode=${gccMode}" else "";
crossMingw = (cross != null && cross.libc == "msvcrt");
crossConfigureFlags =
@ -99,6 +101,7 @@ let version = "4.7.2";
withArch +
withCpu +
withAbi +
withMode +
(if (crossMingw && crossStageStatic) then
" --with-headers=${libcCross}/include" +
" --with-gcc" +