pkgs/development/libraries/prometheus-client-c/default.nix

   1 { lib, stdenv
   2 , fetchFromGitHub
   3 , fetchpatch
   4 , cmake
   5 , libmicrohttpd
   6 }:
   7 let
   8   build =
   9     { pname
  10     , subdir
  11     , buildInputs ? [ ]
  12     , description
  13     }:
  14     stdenv.mkDerivation rec {
  15       inherit pname;
  16       version = "0.1.1";
  17
  18       src = fetchFromGitHub {
  19         owner = "digitalocean";
  20         repo = "prometheus-client-c";
  21         rev = "v${version}";
  22         sha256 = "0g69s24xwrv5974acshrhnp6i8rpby8c6bhz15m3d8kpgjw3cm8f";
  23       };
  24
  25       nativeBuildInputs = [ cmake ];
  26       inherit buildInputs;
  27
  28       # These patches will be in 0.1.2
  29       patches = [
  30         # Required so CMAKE_INSTALL_PREFIX is honored, otherwise it
  31         # installs headers in /usr/include (absolute)
  32         (
  33           fetchpatch {
  34             url = "https://github.com/digitalocean/prometheus-client-c/commit/5fcedeb506b7d47dd7bab35797f2c3f23db6fe10.patch";
  35             sha256 = "10hzg8v5jcgxz224kdq0nha9vs78wz098b0ys7gig2iwgrg018fy";
  36           }
  37         )
  38         (
  39           fetchpatch {
  40             url = "https://github.com/digitalocean/prometheus-client-c/commit/0c15e7e45ad0c3726593591fdd7d8f2fde845fe3.patch";
  41             sha256 = "06899v1xz3lpsdxww4p3q7pv8nrymnibncdc472056znr5fidlp0";
  42           }
  43         )
  44       ];
  45
  46       # Workaround build failure on -fno-common toolchains like upstream
  47       # gcc-10. Otherwise build fails as:
  48       #   ld: CMakeFiles/prom.dir/src/prom_process_stat.c.o:(.bss+0x0): multiple definition of
  49       #     `prom_process_start_time_seconds'; CMakeFiles/prom.dir/src/prom_collector.c.o:(.bss+0x0): first defined here
  50       # Should be fixed in 1.2.0 and later: https://github.com/digitalocean/prometheus-client-c/pull/25
  51       env.NIX_CFLAGS_COMPILE = "-fcommon";
  52
  53       preConfigure = ''
  54         cd ${subdir}
  55       '';
  56
  57       meta = {
  58         homepage = "https://github.com/digitalocean/prometheus-client-c/";
  59         inherit description;
  60         platforms = lib.platforms.unix;
  61         license = lib.licenses.asl20;
  62         maintainers = [ lib.maintainers.cfsmp3 ];
  63       };
  64     };
  65 in
  66 rec {
  67   libprom = build {
  68     pname = "libprom";
  69     subdir = "prom";
  70     description = "Prometheus Client in C";
  71   };
  72   libpromhttp = build {
  73     pname = "libpromhttp";
  74     subdir = "promhttp";
  75     buildInputs = [ libmicrohttpd libprom ];
  76     description = "Prometheus HTTP Endpoint in C";
  77   };
  78 }