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newlib: improve the nano version

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apply patch from gentoo because there's no libstdc++.a libsupc++.a or
their nano versions

this matches upstream arm more
https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads

-lc_nano is used in nano.specs but 'libc_nano.a' is not installed without these changes
This commit is contained in:
Artturin 2023-03-21 19:53:58 +02:00
parent 9b0777ffb3
commit c6e871f634
1 changed files with 27 additions and 4 deletions
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31
pkgs/development/misc/newlib/default.nix
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@ -1,19 +1,28 @@
{ stdenv, fetchurl, buildPackages
{ stdenv, fetchurl, buildPackages, lib, fetchpatch
, # "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 {
stdenv.mkDerivation (finalAttrs: {
pname = "newlib";
version = "4.1.0";
src = fetchurl {
url = "ftp://sourceware.org/pub/newlib/newlib-${version}.tar.gz";
url = "ftp://sourceware.org/pub/newlib/newlib-${finalAttrs.version}.tar.gz";
sha256 = "0m01sjjyj0ib7bwlcrvmk1qkkgd66zf1dhbw716j490kymrf75pj";
};
patches = lib.optionals nanoizeNewlib [
# https://bugs.gentoo.org/723756
(fetchpatch {
name = "newlib-3.3.0-no-nano-cxx.patch";
url = "https://gitweb.gentoo.org/repo/gentoo.git/plain/sys-libs/newlib/files/newlib-3.3.0-no-nano-cxx.patch?id=9ee5a1cd6f8da6d084b93b3dbd2e8022a147cfbf";
sha256 = "sha256-S3mf7vwrzSMWZIGE+d61UDH+/SK/ao1hTPee1sElgco=";
})
];
depsBuildBuild = [ buildPackages.stdenv.cc ];
# newlib expects CC to build for build platform, not host platform
@ -45,8 +54,22 @@ stdenv.mkDerivation rec {
dontDisableStatic = true;
# apply necessary nano changes from https://developer.arm.com/-/media/Files/downloads/gnu/12.2.rel1/manifest/copy_nano_libraries.sh?rev=4c50be6ccb9c4205a5262a3925317073&hash=1375A7B0A1CD0DB9B9EB0D2B574ADF66
postInstall = lib.optionalString nanoizeNewlib ''
mkdir -p $out${finalAttrs.passthru.incdir}/newlib-nano
cp $out${finalAttrs.passthru.incdir}/newlib.h $out${finalAttrs.passthru.incdir}/newlib-nano/
(
cd $out${finalAttrs.passthru.libdir}
for f in librdimon.a libc.a libg.a; do
cp "$f" "''${f%%\.a}_nano.a"
done
)
'';
passthru = {
incdir = "/${stdenv.targetPlatform.config}/include";
libdir = "/${stdenv.targetPlatform.config}/lib";
};
}
})