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nss: fix building for aarch32 on aarch64

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There are two ways to build a package for aarch32 on an aarch64 machine:
either by cross compiling as normal, or by adding armv6l/armv7l to
extraPlatforms and doing a non-cross compile.

Previously, NSS failed to build with both methods: when using
extraPlatforms, things failed because NSS includes an armv8-specific
file (presumably based on the result of uname); when cross compiling,
NSS's build system expects to receive an architecture name of arm (not
armv6l or whatever), so was failing to include some arch-specific code
and failed with a linker error.

This commit fixes those things by a) always passing the arch, even when
not cross-compiling, and b) special-casing aarch32 to always pass in an
arch of arm.
This commit is contained in:
Gaelan Steele 2020-05-13 09:22:11 -07:00
parent d38bad590e
commit b14d997778
1 changed files with 6 additions and 2 deletions
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8
pkgs/development/libraries/nss/default.nix
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@ -53,7 +53,9 @@ in stdenv.mkDerivation rec {
preConfigure = "cd nss";
makeFlags = let
cpu = stdenv.hostPlatform.parsed.cpu.name;
# NSS's build systems expects aarch32 to be called arm; if we pass in armv6l/armv7l, it
# fails with a linker error
cpu = if stdenv.hostPlatform.isAarch32 then "arm" else stdenv.hostPlatform.parsed.cpu.name;
in [
"NSPR_INCLUDE_DIR=${nspr.dev}/include"
"NSPR_LIB_DIR=${nspr.out}/lib"
@ -64,9 +66,11 @@ in stdenv.mkDerivation rec {
"USE_SYSTEM_ZLIB=1"
"NSS_USE_SYSTEM_SQLITE=1"
"NATIVE_CC=${buildPackages.stdenv.cc}/bin/cc"
] ++ stdenv.lib.optional (stdenv.hostPlatform != stdenv.buildPlatform) [
# Pass in CPU even if we're not cross compiling, because otherwise it tries to guess with
# uname, which can be wrong if e.g. we're compiling for aarch32 on aarch64
"OS_TEST=${cpu}"
"CPU_ARCH=${cpu}"
] ++ stdenv.lib.optional (stdenv.hostPlatform != stdenv.buildPlatform) [
"CROSS_COMPILE=1"
"NSS_DISABLE_GTESTS=1" # don't want to build tests when cross-compiling
] ++ stdenv.lib.optional stdenv.is64bit "USE_64=1"