3 files changed, 73 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/czmq/3.x.nix b/nixpkgs/pkgs/development/libraries/czmq/3.x.nix
new file mode 100644
index 000000000000..d418b879d1dd
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/czmq/3.x.nix
@@ -0,0 +1,26 @@
+{ stdenv, fetchurl, zeromq }:
+
+stdenv.mkDerivation rec {
+  version = "3.0.2";
+  name = "czmq-${version}";
+
+  src = fetchurl {
+    url = "http://download.zeromq.org/${name}.tar.gz";
+    sha256 = "16k9awrhdsymx7dnmvqcnkaq8lz8x8zppy6sh7ls8prpd6mkkjlb";
+  };
+
+  patches = [ ./czmq3-gcc7.patch ];
+
+  # Fix build on Glibc 2.24.
+  NIX_CFLAGS_COMPILE = "-Wno-error=deprecated-declarations";
+
+  # Needs to be propagated for the .pc file to work
+  propagatedBuildInputs = [ zeromq ];
+
+  meta = with stdenv.lib; {
+    homepage = http://czmq.zeromq.org/;
+    description = "High-level C Binding for ZeroMQ";
+    license = licenses.mpl20;
+    platforms = platforms.all;
+  };
+}
diff --git a/nixpkgs/pkgs/development/libraries/czmq/4.x.nix b/nixpkgs/pkgs/development/libraries/czmq/4.x.nix
new file mode 100644
index 000000000000..13cee8fe86ba
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/czmq/4.x.nix
@@ -0,0 +1,21 @@
+{ stdenv, fetchurl, zeromq }:
+
+stdenv.mkDerivation rec {
+  version = "4.2.0";
+  name = "czmq-${version}";
+
+  src = fetchurl {
+    url = "https://github.com/zeromq/czmq/releases/download/v${version}/${name}.tar.gz";
+    sha256 = "1szciz62sk3fm4ga9qjpxz0n0lazvphm32km95bq92ncng12kayg";
+  };
+
+  # Needs to be propagated for the .pc file to work
+  propagatedBuildInputs = [ zeromq ];
+
+  meta = with stdenv.lib; {
+    homepage = http://czmq.zeromq.org/;
+    description = "High-level C Binding for ZeroMQ";
+    license = licenses.mpl20;
+    platforms = platforms.all;
+  };
+}
diff --git a/nixpkgs/pkgs/development/libraries/czmq/czmq3-gcc7.patch b/nixpkgs/pkgs/development/libraries/czmq/czmq3-gcc7.patch
new file mode 100644
index 000000000000..4ab14685a6c1
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/czmq/czmq3-gcc7.patch
@@ -0,0 +1,26 @@
+diff --git a/src/zgossip_engine.inc b/src/zgossip_engine.inc
+index 37dbb4eb..727aaa9b 100644
+--- a/src/zgossip_engine.inc
++++ b/src/zgossip_engine.inc
+@@ -258,7 +258,7 @@ engine_set_log_prefix (client_t *client, const char *string)
+ {
+     if (client) {
+         s_client_t *self = (s_client_t *) client;
+-        snprintf (self->log_prefix, sizeof (self->log_prefix) - 1,
++        snprintf (self->log_prefix, sizeof (self->log_prefix),
+             "%6d:%-33s", self->unique_id, string);
+     }
+ }
+diff --git a/src/zsys.c b/src/zsys.c
+index 4d0bb8a1..f07db9c8 100644
+--- a/src/zsys.c
++++ b/src/zsys.c
+@@ -1071,7 +1071,7 @@ zsys_run_as (const char *lockfile, const char *group, const char *user)
+             }
+         }
+         //   We record the current process id in the lock file
+-        char pid_buffer [10];
++        char pid_buffer [32];
+         snprintf (pid_buffer, sizeof (pid_buffer), "%6d\n", getpid ());
+         if (write (handle, pid_buffer, strlen (pid_buffer)) != strlen (pid_buffer)) {
+             zsys_error ("cannot write to lockfile: %s", strerror (errno));