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nixpkgs/pkgs/test/macos-sierra-shared/default.nix
Daiderd Jordan 80de99b46b
sierra-shared-test: fix build
Using 500 libraries started failing with clang++: Argument list too long
This is enough to reproduce the issue.
2018-01-05 23:20:55 +01:00

91 lines
2.4 KiB
Nix

{ lib, clangStdenv, clang-sierraHack-stdenv, stdenvNoCC }:
let
makeBigExe = stdenv: prefix: rec {
count = 320;
sillyLibs = lib.genList (i: stdenv.mkDerivation rec {
name = "${prefix}-fluff-${toString i}";
unpackPhase = ''
src=$PWD
cat << 'EOF' > ${name}.c
unsigned int asdf_${toString i}(void) {
return ${toString i};
}
EOF
'';
buildPhase = ''
$CC -std=c99 -shared ${name}.c -o lib${name}.dylib -Wl,-install_name,$out/lib/lib${name}.dylib
'';
installPhase = ''
mkdir -p "$out/lib"
mv lib${name}.dylib "$out/lib"
'';
meta.platforms = lib.platforms.darwin;
}) count;
finalExe = stdenv.mkDerivation rec {
name = "${prefix}-final-asdf";
unpackPhase = ''
src=$PWD
cat << 'EOF' > main.cxx
#include <cstdlib>
#include <iostream>
${toString (lib.genList (i: "extern \"C\" unsigned int asdf_${toString i}(void); ") count)}
unsigned int (*funs[])(void) = {
${toString (lib.genList (i: "asdf_${toString i},") count)}
};
int main(int argc, char **argv) {
bool ret;
unsigned int i = 0;
for (auto f : funs) {
if (f() != i++) {
std::cerr << "Failed to get expected response from function #" << i << std::endl;
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
EOF
'';
buildPhase = ''
$CXX -std=c++11 main.cxx ${toString (map (x: "-l${x.name}") sillyLibs)} -o ${prefix}-asdf
'';
buildInputs = sillyLibs;
installPhase = ''
mkdir -p "$out/bin"
mv ${prefix}-asdf "$out/bin"
'';
meta.platforms = lib.platforms.darwin;
};
};
good = makeBigExe clang-sierraHack-stdenv "good";
bad = makeBigExe clangStdenv "bad";
in stdenvNoCC.mkDerivation {
name = "macos-sierra-shared-test";
buildInputs = [ good.finalExe bad.finalExe ];
# TODO(@Ericson2314): Be impure or require exact MacOS version of builder?
buildCommand = ''
if bad-asdf &> /dev/null
then echo "WARNING: bad-asdf did not fail, not running on sierra?" >&2
else echo "bad-asdf should fail on sierra, OK" >&2
fi
# Must succeed on all supported MacOS versions
good-asdf
echo "good-asdf should succeed on sierra, OK"
touch $out
'';
meta.platforms = lib.platforms.darwin;
}