Select os.

BUILD.bazel

@@ -1,3 +1,17 @@
+config_setting(
+    name = "linux",
+    constraint_values = [
+        "@platforms//os:linux",
+    ],
+)
+
+config_setting(
+    name = "mac",
+    constraint_values = [
+        "@platforms//os:osx",
+    ],
+)
+
 cc_library(
     name = "libzmq_headers_only",
     hdrs = [
@@ -9,8 +23,15 @@ cc_library(
 )
 
 cc_library(
-    name = "platform",
-    hdrs = ["platform.hpp"],
+    name = "platform_mac",
+    hdrs = ["mac/platform.hpp"],
+    strip_include_prefix = "mac",
+)
+
+cc_library(
+    name = "platform_linux",
+    hdrs = ["linux/platform.hpp"],
+    strip_include_prefix = "linux",
 )
 
 cc_library(
@@ -268,6 +289,12 @@ cc_library(
     visibility = ["//visibility:public"],
     deps = [
         ":libzmq_headers_only",
-        ":platform",
-    ],
+    ] + select({
+        ":linux": [
+            ":platform_linux",
+        ],
+        ":mac": [
+            ":platform_mac",
+        ],
+    }),
 )

MODULE.bazel

@@ -9,3 +9,5 @@ module(
     version = "4.3.5.bcr.2",
     compatibility_level = 4,
 )
+
+bazel_dep(name = "platforms", version = "0.0.10")

linux/platform.hpp

@@ -0,0 +1,147 @@
+#ifndef __ZMQ_PLATFORM_HPP_INCLUDED__
+#define __ZMQ_PLATFORM_HPP_INCLUDED__
+
+#define ZMQ_USE_CV_IMPL_STL11
+/* #undef ZMQ_USE_CV_IMPL_WIN32API */
+/* #undef ZMQ_USE_CV_IMPL_PTHREADS */
+/* #undef ZMQ_USE_CV_IMPL_NONE */
+
+/* #undef ZMQ_IOTHREAD_POLLER_USE_KQUEUE */
+#define ZMQ_IOTHREAD_POLLER_USE_EPOLL
+#define ZMQ_IOTHREAD_POLLER_USE_EPOLL_CLOEXEC
+/* #undef ZMQ_IOTHREAD_POLLER_USE_DEVPOLL */
+/* #undef ZMQ_IOTHREAD_POLLER_USE_POLLSET */
+/* #undef ZMQ_IOTHREAD_POLLER_USE_POLL */
+/* #undef ZMQ_IOTHREAD_POLLER_USE_SELECT */
+#define ZMQ_HAVE_PPOLL
+
+/* #undef ZMQ_POLL_BASED_ON_SELECT */
+#define ZMQ_POLL_BASED_ON_POLL
+
+#define HAVE_POSIX_MEMALIGN 1
+#define ZMQ_CACHELINE_SIZE 64
+
+/* #undef ZMQ_FORCE_MUTEXES */
+
+#define HAVE_FORK
+#define HAVE_CLOCK_GETTIME
+/* #undef HAVE_GETHRTIME */
+#define HAVE_MKDTEMP
+#define ZMQ_HAVE_UIO
+
+#define ZMQ_HAVE_NOEXCEPT
+
+#define ZMQ_HAVE_EVENTFD
+#define ZMQ_HAVE_EVENTFD_CLOEXEC
+#define ZMQ_HAVE_IFADDRS
+#define ZMQ_HAVE_SO_BINDTODEVICE
+
+#define ZMQ_HAVE_SO_PEERCRED
+/* #undef ZMQ_HAVE_LOCAL_PEERCRED */
+#define ZMQ_HAVE_BUSY_POLL
+
+#define ZMQ_HAVE_O_CLOEXEC
+
+#define ZMQ_HAVE_SOCK_CLOEXEC
+#define ZMQ_HAVE_SO_KEEPALIVE
+#define ZMQ_HAVE_SO_PRIORITY
+#define ZMQ_HAVE_TCP_KEEPCNT
+#define ZMQ_HAVE_TCP_KEEPIDLE
+#define ZMQ_HAVE_TCP_KEEPINTVL
+/* #undef ZMQ_HAVE_TCP_KEEPALIVE */
+/* #undef ZMQ_HAVE_PTHREAD_SETNAME_1 */
+#define ZMQ_HAVE_PTHREAD_SETNAME_2
+/* #undef ZMQ_HAVE_PTHREAD_SETNAME_3 */
+/* #undef ZMQ_HAVE_PTHREAD_SET_NAME */
+#define ZMQ_HAVE_PTHREAD_SET_AFFINITY
+#define HAVE_ACCEPT4
+#define HAVE_STRNLEN
+/* #undef ZMQ_HAVE_STRLCPY */
+#define ZMQ_HAVE_LIBBSD
+
+#define ZMQ_HAVE_IPC
+#define ZMQ_HAVE_STRUCT_SOCKADDR_UN
+
+#define ZMQ_USE_BUILTIN_SHA1
+/* #undef ZMQ_USE_NSS */
+#define ZMQ_HAVE_WS
+/* #undef ZMQ_HAVE_WSS */
+#define ZMQ_HAVE_TIPC
+
+/* #undef ZMQ_HAVE_OPENPGM */
+/* #undef ZMQ_HAVE_NORM */
+/* #undef ZMQ_HAVE_VMCI */
+
+/* #undef ZMQ_MAKE_VALGRIND_HAPPY */
+
+/* #undef ZMQ_HAVE_CURVE */
+/* #undef ZMQ_USE_LIBSODIUM */
+/* #undef SODIUM_STATIC */
+/* #undef HAVE_LIBGSSAPI_KRB5 */
+/* #undef ZMQ_USE_GNUTLS */
+#define ZMQ_USE_RADIX_TREE
+#define HAVE_IF_NAMETOINDEX
+
+#ifdef _AIX
+  #define ZMQ_HAVE_AIX
+#endif
+
+#if defined __ANDROID__
+  #define ZMQ_HAVE_ANDROID
+#endif
+
+#if defined __CYGWIN__
+  #define ZMQ_HAVE_CYGWIN
+#endif
+
+#if defined __MINGW32__
+  #define ZMQ_HAVE_MINGW32
+#endif
+
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+  #define ZMQ_HAVE_FREEBSD
+#endif
+
+#if defined(__DragonFly__)
+  #define ZMQ_HAVE_FREEBSD
+  #define ZMQ_HAVE_DRAGONFLY
+#endif
+
+#if defined __hpux
+  #define ZMQ_HAVE_HPUX
+#endif
+
+#if defined __linux__
+  #define ZMQ_HAVE_LINUX
+#endif
+
+#if defined __NetBSD__
+  #define ZMQ_HAVE_NETBSD
+#endif
+
+#if defined __OpenBSD__
+  #define ZMQ_HAVE_OPENBSD
+#endif
+
+// TODO better move OS-specific defines to the automake files, and check for availability of IPC with an explicit test there
+#if defined __VMS
+  #define ZMQ_HAVE_OPENVMS
+  #undef ZMQ_HAVE_IPC
+#endif
+
+#if defined __APPLE__
+  #define ZMQ_HAVE_OSX
+#endif
+
+#if defined __QNXNTO__
+  #define ZMQ_HAVE_QNXNTO
+#endif
+
+#if defined(sun) || defined(__sun)
+  #define ZMQ_HAVE_SOLARIS
+#endif
+
+/* #undef ZMQ_HAVE_WINDOWS */
+/* #undef ZMQ_HAVE_WINDOWS_UWP */
+
+#endif

platform.hpp → mac/platform.hpp

@@ -64,7 +64,7 @@
 
 #define ZMQ_USE_BUILTIN_SHA1
 /* #undef ZMQ_USE_NSS */
-/* #undef ZMQ_HAVE_WS */
+#define ZMQ_HAVE_WS
 /* #undef ZMQ_HAVE_WSS */
 /* #undef ZMQ_HAVE_TIPC */
 
@@ -79,7 +79,7 @@
 /* #undef SODIUM_STATIC */
 /* #undef HAVE_LIBGSSAPI_KRB5 */
 /* #undef ZMQ_USE_GNUTLS */
-/* #undef ZMQ_USE_RADIX_TREE */
+#define ZMQ_USE_RADIX_TREE
 #define HAVE_IF_NAMETOINDEX
 
 #ifdef _AIX