$OpenBSD: patch-src_ruby_supportlib_phusion_passenger_platform_info_compiler_rb,v 1.2 2019/11/12 06:38:20 jeremy Exp $
Index: src/ruby_supportlib/phusion_passenger/platform_info/compiler.rb
--- src/ruby_supportlib/phusion_passenger/platform_info/compiler.rb.orig
+++ src/ruby_supportlib/phusion_passenger/platform_info/compiler.rb
@@ -233,7 +233,7 @@ module PhusionPassenger
         f.close
         begin
           command = create_compiler_command(language,
-            "-v -c '#{filename}' -o '#{filename}.o'",
+            "-I${LOCALBASE}/include -v -c '#{filename}' -o '#{filename}.o'",
             flags)
           if result = run_compiler("Checking for #{header_name}", command, filename, source, true)
             result[:output] =~ /^#include <...> search starts here:$(.+?)^End of search list\.$/m
