async-profiler: fix darwin build

pkgs/development/tools/async-profiler/0001-Fix-darwin-build.patch

@@ -0,0 +1,27 @@
+From e54c17899118ea940c36bc17a48d8ff759243f16 Mon Sep 17 00:00:00 2001
+From: Uri Baghin <uri@canva.com>
+Date: Sat, 8 May 2021 09:49:18 +1000
+Subject: [PATCH] Fix darwin build.
+
+---
+ src/itimer.cpp | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/itimer.cpp b/src/itimer.cpp
+index 08c46d1..52628ef 100644
+--- a/src/itimer.cpp
++++ b/src/itimer.cpp
+@@ -52,8 +52,8 @@ Error ITimer::start(Arguments& args) {
+ 
+     OS::installSignalHandler(SIGPROF, signalHandler);
+ 
+-    long sec = _interval / 1000000000;
+-    long usec = (_interval % 1000000000) / 1000;
++    time_t sec = _interval / 1000000000;
++    suseconds_t usec = (_interval % 1000000000) / 1000;
+     struct itimerval tv = {{sec, usec}, {sec, usec}};
+     
+     if (setitimer(ITIMER_PROF, &tv, NULL) != 0) {
+-- 
+2.31.1
+

pkgs/development/tools/async-profiler/default.nix

@@ -22,6 +22,11 @@ stdenv.mkDerivation rec {
     runHook postInstall
   '';
 
+  patches = [
+    # https://github.com/jvm-profiling-tools/async-profiler/pull/428
+    ./0001-Fix-darwin-build.patch
+  ];
+
   fixupPhase = ''
     substituteInPlace $out/bin/async-profiler \
       --replace 'JATTACH=$SCRIPT_DIR/build/jattach' \