Build changes to make communicator build on macos.

pgxn/neon/Makefile

@@ -28,6 +28,7 @@ OBJS = \
 PG_CPPFLAGS = -I$(libpq_srcdir)
 SHLIB_LINK_INTERNAL = $(libpq)
 SHLIB_LINK = -lcurl
+SHLIB_LINK += -framework Security -framework CoreFoundation -framework CoreServices -framework IOKit -framework SystemConfiguration
 
 EXTENSION = neon
 DATA = \

pgxn/neon/communicator/Cargo.toml

@@ -37,3 +37,10 @@ utils.workspace = true
 
 [build-dependencies]
 cbindgen.workspace = true
+
+[target.'cfg(target_os = "macos")']
+rustflags = [
+    "-l", "framework=Security",
+    "-l", "framework=CoreFoundation",
+    "-l", "framework=CoreServices",
+]

pgxn/neon/communicator/build.rs

@@ -2,6 +2,10 @@ use std::env;
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
     let crate_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
+    println!("cargo:rustc-link-lib=framework=Security");
+    println!("cargo:rustc-link-lib=framework=CoreFoundation");
+    println!("cargo:rustc-link-lib=framework=CoreServices");
+    println!("cargo:rustc-link-lib=framework=IOKit");
 
     cbindgen::generate(crate_dir).map_or_else(
         |error| match error {

pgxn/neon/communicator_new.c

@@ -342,7 +342,7 @@ callback_set_my_latch_unsafe(void)
  * FIXME: The logic from neon_get_request_lsns() needs to go here, except for
  * the last-written LSN cache stuff, which is managed by the rust code now.
  */
-uint64
+uint64_t
 callback_get_request_lsn_unsafe(void)
 {
 	/*
@@ -659,7 +659,7 @@ retry:
 					ereport(ERROR,
 							(errcode_for_file_access(),
 							 errmsg("could not read block %lu in local cache file: %m",
-									cached_block)));
+									(unsigned long)cached_block)));
 				bytes_total += nbytes;
 			}
 		}