pyrox.dev
lol
1{ lib, stdenv, glibc }:
2
3let
4 # Sanitizers are not supported on Darwin.
5 # Sanitizer headers aren't available in older libc++ stdenvs due to a bug
6 sanitizersWorking = !stdenv.hostPlatform.isMusl && (
7 (stdenv.cc.isClang && lib.versionAtLeast (lib.getVersion stdenv.cc.name) "5.0.0")
8 || (stdenv.cc.isGNU && stdenv.isLinux)
9 );
10 staticLibc = lib.optionalString (stdenv.hostPlatform.libc == "glibc") "-L ${glibc.static}/lib";
11in stdenv.mkDerivation {
12 name = "cc-wrapper-test";
13
14 buildCommand = ''
15 NIX_DEBUG=1 $CC -v
16 NIX_DEBUG=1 $CXX -v
17
18 printf "checking whether compiler builds valid C binaries... " >&2
19 $CC -o cc-check ${./cc-main.c}
20 ./cc-check
21
22 printf "checking whether compiler builds valid C++ binaries... " >&2
23 $CXX -o cxx-check ${./cxx-main.cc}
24 ./cxx-check
25
26 ${lib.optionalString (stdenv.isDarwin && stdenv.cc.isClang) ''
27 printf "checking whether compiler can build with CoreFoundation.framework... " >&2
28 mkdir -p foo/lib
29 $CC -framework CoreFoundation -o core-foundation-check ${./core-foundation-main.c}
30 ./core-foundation-check
31 ''}
32
33
34 ${lib.optionalString (!stdenv.isDarwin) ''
35 printf "checking whether compiler builds valid static C binaries... " >&2
36 $CC ${staticLibc} -static -o cc-static ${./cc-main.c}
37 ./cc-static
38 ${lib.optionalString (stdenv.cc.isGNU && lib.versionAtLeast (lib.getVersion stdenv.cc.name) "8.0.0") ''
39 printf "checking whether compiler builds valid static pie C binaries... " >&2
40 $CC ${staticLibc} -static-pie -o cc-static-pie ${./cc-main.c}
41 ./cc-static-pie
42 ''}
43 ''}
44
45 printf "checking whether compiler uses NIX_CFLAGS_COMPILE... " >&2
46 mkdir -p foo/include
47 cp ${./foo.c} foo/include/foo.h
48 NIX_CFLAGS_COMPILE="-Ifoo/include -DVALUE=42" $CC -o cflags-check ${./cflags-main.c}
49 ./cflags-check
50
51 printf "checking whether compiler uses NIX_LDFLAGS... " >&2
52 mkdir -p foo/lib
53 $CC -shared \
54 ${lib.optionalString stdenv.isDarwin "-Wl,-install_name,@rpath/libfoo.dylib"} \
55 -DVALUE=42 \
56 -o foo/lib/libfoo${stdenv.hostPlatform.extensions.sharedLibrary} \
57 ${./foo.c}
58
59 NIX_LDFLAGS="-L$NIX_BUILD_TOP/foo/lib -rpath $NIX_BUILD_TOP/foo/lib" $CC -lfoo -o ldflags-check ${./ldflags-main.c}
60 ./ldflags-check
61
62 printf "Check whether -nostdinc and -nostdinc++ is handled correctly" >&2
63 mkdir -p std-include
64 cp ${./stdio.h} std-include/stdio.h
65 NIX_DEBUG=1 $CC -I std-include -nostdinc -o nostdinc-main ${./nostdinc-main.c}
66 ./nostdinc-main
67 $CXX -I std-include -nostdinc++ -o nostdinc-main++ ${./nostdinc-main.c}
68 ./nostdinc-main++
69
70 ${lib.optionalString sanitizersWorking ''
71 printf "checking whether sanitizers are fully functional... ">&2
72 $CC -o sanitizers -fsanitize=address,undefined ${./sanitizers.c}
73 ./sanitizers
74 ''}
75
76 touch $out
77 '';
78
79 meta.platforms = lib.platforms.all;
80}