From 0ae233ab23c560547bf85ce1346580966e799861 Mon Sep 17 00:00:00 2001
From: Jilin Zhou <jilinzhou@hotmail.com>
Date: Tue, 19 Feb 2019 08:05:55 -0500
Subject: [PATCH] [#766] add x-compile support for QNX SDP7 (#770)

Since googletest already supports x-compilation for QNX, it is nice to
 have google benchmark support it too.
Fixes #766
---
 CMakeLists.txt        | 4 ++++
 src/internal_macros.h | 2 ++
 src/sysinfo.cc        | 2 ++
 3 files changed, 8 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a6160092..d7ed57e0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -183,6 +183,10 @@ else()
     add_definitions(-D_GNU_SOURCE=1)
   endif()
 
+  if (QNXNTO)
+    add_definitions(-D_QNX_SOURCE)
+  endif()
+
   # Link time optimisation
   if (BENCHMARK_ENABLE_LTO)
     add_cxx_compiler_flag(-flto)
diff --git a/src/internal_macros.h b/src/internal_macros.h
index 5dbf4fd2..6adf00d0 100644
--- a/src/internal_macros.h
+++ b/src/internal_macros.h
@@ -70,6 +70,8 @@
 #define BENCHMARK_OS_FUCHSIA 1
 #elif defined (__SVR4) && defined (__sun)
 #define BENCHMARK_OS_SOLARIS 1
+#elif defined(__QNX__)
+#define BENCHMARK_OS_QNX 1
 #endif
 
 #if defined(__ANDROID__) && defined(__GLIBCXX__)
diff --git a/src/sysinfo.cc b/src/sysinfo.cc
index c0c07e5e..55953a05 100644
--- a/src/sysinfo.cc
+++ b/src/sysinfo.cc
@@ -389,6 +389,8 @@ std::string GetSystemName() {
 #else // defined(BENCHMARK_OS_WINDOWS)
 #ifdef BENCHMARK_OS_MACOSX //Mac Doesnt have HOST_NAME_MAX defined
 #define HOST_NAME_MAX 64
+#elif defined(BENCHMARK_OS_QNX)
+#define HOST_NAME_MAX 154
 #endif
   char hostname[HOST_NAME_MAX];
   int retVal = gethostname(hostname, HOST_NAME_MAX);