benchmarks/mangohud: the port had been updated to version 0.6.5

Now comes with CPU load monitoring enabled by default and better
system information report in debug mode.  Note that those things
currently require mounted linprocfs(5) to work.

Reported by:	portscout

1 files changed, 28 insertions, 0 deletions

diff --git a/benchmarks/mangohud/files/patch-src_file__utils.cpp b/benchmarks/mangohud/files/patch-src_file__utils.cpp
new file mode 100644
index 000000000000..4ae32c1fc2b2
--- /dev/null
+++ b/benchmarks/mangohud/files/patch-src_file__utils.cpp
@@ -0,0 +1,28 @@
+--- src/file_utils.cpp.orig	2021-07-08 06:23:59 UTC
++++ src/file_utils.cpp
+@@ -109,7 +109,7 @@ std::string read_symlink(const char * link)
+ 
+ std::string get_exe_path()
+ {
+-    return read_symlink("/proc/self/exe");
++    return read_symlink(PROCDIR "/self/exe");
+ }
+ 
+ std::string get_wine_exe_name(bool keep_ext)
+@@ -119,14 +119,14 @@ std::string get_wine_exe_name(bool keep_ext)
+         return std::string();
+     }
+ 
+-    std::string line = read_line("/proc/self/comm"); // max 16 characters though
++    std::string line = read_line(PROCDIR "/self/comm"); // max 16 characters though
+     if (ends_with(line, ".exe", true))
+     {
+         auto dot = keep_ext ? std::string::npos : line.find_last_of('.');
+         return line.substr(0, dot);
+     }
+ 
+-    std::ifstream cmdline("/proc/self/cmdline");
++    std::ifstream cmdline(PROCDIR "/self/cmdline");
+     // Iterate over arguments (separated by NUL byte).
+     while (std::getline(cmdline, line, '\0')) {
+         auto n = std::string::npos;