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{ stdenv, fetchurl, buildPackages
, # "newlib-nano" is what the official ARM embedded toolchain calls this build
# configuration that prioritizes low space usage. We include it as a preset
# for embedded projects striving for a similar configuration.
nanoizeNewlib ? false
}:
stdenv.mkDerivation rec {
pname = "newlib";
version = "4.1.0";
src = fetchurl {
url = "ftp://sourceware.org/pub/newlib/newlib-${version}.tar.gz";
sha256 = "0m01sjjyj0ib7bwlcrvmk1qkkgd66zf1dhbw716j490kymrf75pj";
};
depsBuildBuild = [ buildPackages.stdenv.cc ];
# newlib expects CC to build for build platform, not host platform
preConfigure = ''
export CC=cc
'';
configurePlatforms = [ "build" "target" ];
configureFlags = [
"--host=${stdenv.buildPlatform.config}"
"--disable-newlib-supplied-syscalls"
"--disable-nls"
"--enable-newlib-retargetable-locking"
] ++ (if !nanoizeNewlib then [
"--enable-newlib-io-long-long"
"--enable-newlib-register-fini"
] else [
"--enable-newlib-reent-small"
"--disable-newlib-fvwrite-in-streamio"
"--disable-newlib-fseek-optimization"
"--disable-newlib-wide-orient"
"--enable-newlib-nano-malloc"
"--disable-newlib-unbuf-stream-opt"
"--enable-lite-exit"
"--enable-newlib-global-atexit"
"--enable-newlib-nano-formatted-io"
]);
dontDisableStatic = true;
passthru = {
incdir = "/${stdenv.targetPlatform.config}/include";
libdir = "/${stdenv.targetPlatform.config}/lib";
};
}
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