cc-wrapper: Beef up sierra tests to actually use functions

This commit is contained in:
John Ericson 2017-07-26 23:28:36 -04:00 committed by John Ericson
parent 1cd74ac70a
commit f671b85fb2

View file

@ -3,30 +3,52 @@
let
makeBigExe = stdenv: prefix: rec {
count = 500;
sillyLibs = lib.genList (i: stdenv.mkDerivation rec {
name = "${prefix}-fluff-${toString i}";
unpackPhase = ''
src=$PWD
echo 'int asdf${toString i}(void) { return ${toString i}; }' > ${name}.c
cat << 'EOF' > ${name}.c
unsigned int asdf_${toString i}(void) {
return ${toString i};
}
EOF
'';
buildPhase = ''
$CC -shared ${name}.c -o lib${name}.dylib -Wl,-install_name,$out/lib/lib${name}.dylib
$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 "$out/lib"
'';
}) 500
;
}) count;
finalExe = stdenv.mkDerivation rec {
name = "${prefix}-final-asdf";
unpackPhase = ''
src=$PWD
echo 'int main(int argc, char **argv) { return argc; }' > main.c;
cat << 'EOF' > main.cxx
#include <assert.h>
${toString (lib.genList (i: "extern unsigned int asdf_${toString i}(void); ") count)}
unsigned int (*funs[])(void) = {
${toString (lib.genList (i: "asdf_${toString i},") count)}
};
int main(int argc, char **argv) {
unsigned int i = 0;
for (auto f : funs) {
assert(f() == i++);
}
return 0;
}
EOF
'';
buildPhase = ''
$CC main.c ${toString (map (x: "-l${x.name}") sillyLibs)} -o asdf
$CC -std=c++11 main.cxx ${toString (map (x: "-l${x.name}") sillyLibs)} -o asdf
'';
buildInputs = sillyLibs;
installPhase = ''