From 9048c24fa7c6b568d52f76cbf06bbd62b7f83556 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Ho=C5=99e=C5=88ovsk=C3=BD?=
 <martin.horenovsky@gmail.com>
Date: Mon, 22 Sep 2025 15:12:28 +0200
Subject: [PATCH] Improve QNX support

This cherry-picks the source changes from PR made by @pkleymonov-qnx,
without including the build path changes that are irrelevant unless
we can add a QNX target to our CI.

Close #2953
---
 src/catch2/internal/catch_console_colour.cpp | 6 +++++-
 src/catch2/internal/catch_debugger.cpp       | 2 +-
 src/catch2/internal/catch_debugger.hpp       | 2 +-
 src/catch2/internal/catch_platform.hpp       | 3 +++
 tests/ExtraTests/CMakeLists.txt              | 2 +-
 5 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/catch2/internal/catch_console_colour.cpp b/src/catch2/internal/catch_console_colour.cpp
index 514fc6b6..948c4cb6 100644
--- a/src/catch2/internal/catch_console_colour.cpp
+++ b/src/catch2/internal/catch_console_colour.cpp
@@ -161,7 +161,11 @@ namespace {
 #endif // Windows/ ANSI/ None
 
 
-#if defined( CATCH_PLATFORM_LINUX ) || defined( CATCH_PLATFORM_MAC ) || defined( __GLIBC__ ) || defined(__FreeBSD__)
+#if defined( CATCH_PLATFORM_LINUX ) \
+ || defined( CATCH_PLATFORM_MAC ) \
+ || defined( __GLIBC__ ) \
+ || defined( __FreeBSD__ ) \
+ || defined( CATCH_PLATFORM_QNX )
 #    define CATCH_INTERNAL_HAS_ISATTY
 #    include <unistd.h>
 #endif
diff --git a/src/catch2/internal/catch_debugger.cpp b/src/catch2/internal/catch_debugger.cpp
index bd3be172..da22c7fd 100644
--- a/src/catch2/internal/catch_debugger.cpp
+++ b/src/catch2/internal/catch_debugger.cpp
@@ -69,7 +69,7 @@
         #endif
     } // namespace Catch
 
-#elif defined(CATCH_PLATFORM_LINUX)
+#elif defined(CATCH_PLATFORM_LINUX) || defined(CATCH_PLATFORM_QNX)
     #include <fstream>
     #include <string>
 
diff --git a/src/catch2/internal/catch_debugger.hpp b/src/catch2/internal/catch_debugger.hpp
index 515ec763..997f4406 100644
--- a/src/catch2/internal/catch_debugger.hpp
+++ b/src/catch2/internal/catch_debugger.hpp
@@ -49,7 +49,7 @@ namespace Catch {
         #define CATCH_TRAP()  __asm__(".inst 0xde01")
     #endif
 
-#elif defined(CATCH_PLATFORM_LINUX)
+#elif defined(CATCH_PLATFORM_LINUX) || defined(CATCH_PLATFORM_QNX)
     // If we can use inline assembler, do it because this allows us to break
     // directly at the location of the failing check instead of breaking inside
     // raise() called from it, i.e. one stack frame below.
diff --git a/src/catch2/internal/catch_platform.hpp b/src/catch2/internal/catch_platform.hpp
index b653a58c..ba4717f0 100644
--- a/src/catch2/internal/catch_platform.hpp
+++ b/src/catch2/internal/catch_platform.hpp
@@ -25,6 +25,9 @@
 #elif defined(linux) || defined(__linux) || defined(__linux__)
 #  define CATCH_PLATFORM_LINUX
 
+#elif defined(__QNX__)
+#  define CATCH_PLATFORM_QNX
+
 #elif defined(WIN32) || defined(__WIN32__) || defined(_WIN32) || defined(_MSC_VER) || defined(__MINGW32__)
 #  define CATCH_PLATFORM_WINDOWS
 
diff --git a/tests/ExtraTests/CMakeLists.txt b/tests/ExtraTests/CMakeLists.txt
index 28f545c5..d7ae548b 100644
--- a/tests/ExtraTests/CMakeLists.txt
+++ b/tests/ExtraTests/CMakeLists.txt
@@ -95,7 +95,7 @@ foreach(target DisabledExceptions-DefaultHandler DisabledExceptions-CustomHandle
   target_compile_options(${target}
     PUBLIC
       $<$<CXX_COMPILER_ID:MSVC>:/EHs-c-;/D_HAS_EXCEPTIONS=0>
-      $<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:AppleClang>>:-fno-exceptions>
+      $<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:QCC>,$<CXX_COMPILER_ID:AppleClang>>:-fno-exceptions>
   )
   target_link_libraries(${target} Catch2_buildall_interface)
 endforeach()