tjh.dev
1{ stdenv }:
2
3stdenv.mkDerivation {
4 name = "cc-wrapper-test";
5
6 buildCommand = ''
7 NIX_DEBUG=1 $CC -v
8 NIX_DEBUG=1 $CXX -v
9
10 printf "checking whether compiler builds valid C binaries... " >&2
11 $CC -o cc-check ${./cc-main.c}
12 ./cc-check
13
14 printf "checking whether compiler builds valid C++ binaries... " >&2
15 $CXX -o cxx-check ${./cxx-main.cc}
16 ./cxx-check
17
18 ${stdenv.lib.optionalString (stdenv.isDarwin && stdenv.cc.isClang) ''
19 printf "checking whether compiler can build with CoreFoundation.framework... " >&2
20 mkdir -p foo/lib
21 $CC -framework CoreFoundation -o core-foundation-check ${./core-foundation-main.c}
22 ./core-foundation-check
23 ''}
24
25 printf "checking whether compiler uses NIX_CFLAGS_COMPILE... " >&2
26 mkdir -p foo/include
27 cp ${./foo.c} foo/include/foo.h
28 NIX_CFLAGS_COMPILE="-Ifoo/include -DVALUE=42" $CC -o cflags-check ${./cflags-main.c}
29 ./cflags-check
30
31 printf "checking whether compiler uses NIX_LDFLAGS... " >&2
32 mkdir -p foo/lib
33 $CC -shared \
34 ${stdenv.lib.optionalString stdenv.isDarwin "-Wl,-install_name,@rpath/libfoo.dylib"} \
35 -DVALUE=42 \
36 -o foo/lib/libfoo${stdenv.hostPlatform.extensions.sharedLibrary} \
37 ${./foo.c}
38
39 NIX_LDFLAGS="-L$NIX_BUILD_TOP/foo/lib -rpath $NIX_BUILD_TOP/foo/lib" $CC -lfoo -o ldflags-check ${./ldflags-main.c}
40 ./ldflags-check
41
42 touch $out
43 '';
44
45 meta.platforms = stdenv.lib.platforms.all;
46}