add backward-cpp library dependency + tracy abbr

CMakeLists.txt

@@ -5,6 +5,7 @@ set(CMAKE_CXX_STANDARD 26)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 find_package(raylib REQUIRED)
+find_package(Backward REQUIRED)
 
 # Need to enable/disable this based on a variable for nix build
 if(USE_TRACY)
@@ -43,14 +44,15 @@ add_executable(masssprings
     src/state.cpp
     src/input.cpp
     src/tracy.cpp
+    src/backward.cpp
 )
 
 target_include_directories(masssprings PUBLIC ${RAYLIB_CPP_INCLUDE_DIR})
 
 if(USE_TRACY)
-    target_link_libraries(masssprings PUBLIC raylib TracyClient)
+    target_link_libraries(masssprings PUBLIC raylib Backward::Backward TracyClient)
 else()
-    target_link_libraries(masssprings PUBLIC raylib)
+    target_link_libraries(masssprings PUBLIC raylib Backward::Backward)
 endif()
 
 include(CheckIPOSupported)

flake.nix

@@ -128,7 +128,7 @@ rec {
         # - Interpreters needed by patchShebangs for build scripts (with the --build flag), which can be the case for e.g. perl
         nativeBuildInputs = with pkgs; [
           # Languages:
-          # bintools
+          binutils
           gcc
 
           # C/C++:
@@ -159,6 +159,8 @@ rec {
           # octree # this one doesn't store center of mass per node - which I need :(
           tracy-wayland
           thread-pool
+          backward-cpp
+          libbfd
           # llvmPackages.openmp # not required for compilation but for clangd to find the headers
           # raylib-cpp
           # tinyobjloader
@@ -283,7 +285,7 @@ rec {
                 abbr -a debug "${buildDebug} && ./cmake-build-debug/masssprings"
                 abbr -a release "${buildRelease} && ./cmake-build-release/masssprings"
                 abbr -a rungdb "${buildDebug} && gdb --tui ./cmake-build-debug/masssprings"
-                abbr -a runtracy "tracy -a 127.0.0.1"
+                abbr -a runtracy "tracy -a 127.0.0.1 &; ${buildRelease} && sudo -E ./cmake-build-release/masssprings"
               '';
             in
               builtins.concatStringsSep "\n" [