freeswitch: fix build error for undeclared identifier 'NSIG' (#77004)

Homebrew · May 31, 2021 · 2516a2d · 2516a2d
1 parent 316b471
commit 2516a2d
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/Formula/freeswitch.rb b/Formula/freeswitch.rb
@@ -151,6 +151,12 @@ class Freeswitch < Formula
   end
 
   def install
+    # Fix build error "use of undeclared identifier 'NSIG'"
+    # Remove when fixed upstream: https://github.com/signalwire/freeswitch/issues/1145
+    on_macos do
+      ENV.append_to_cflags "-D_DARWIN_C_SOURCE"
+    end
+
     resource("spandsp").stage do
       system "./bootstrap.sh"
       system "./configure", "--disable-debug",