Merge branch 'unstable' into trackhat-ui

Sponsored-by: TrackHat

* unstable: (112 commits)
  Revert "accela: try more complex deadzone algorithm"
  pt: add wiki link for calibration instructions
  qfc: more gray colors when graph is disabled
  qfc, mapping: disallow editing and change color when checkbox disabled
  qfc: don't allow editing when disabled
  plugin-support: workaround multiple copies of modules
  accela: change translation gain
  accela: change rotation gain
  pt: change extraction code
  freepie-udp: add license
  freepie-udp: update
  accela: try more complex deadzone algorithm
  accela: add helpful comment
  accela: revert to more quadratic spline at start
  also save if save pending when start tracking
  ui: force saving if saving timer is pending
  accela: slightly more linear function
  pose-widget: simplify
  freepie-udp: nix harmless warning
  pose-widget: add comment
  simple-mat: add __restrict for GNU
  ui: save settings on a timer
  ui: show a warning if configuration directory can't be used
  aruco: tune min/max marker size
  win32-joystick: fix duplicate device name selection logic
  ui: no need to reset settings on tracking start
  ui: save profile when combobox text changes, not merely index
  ui: save current tracker/filter/proto, not last
  win32-joystick: fix COM failure path
  win32-joystick: nix unused variable
  win32-joystick: allow for unique selection of joysticks
  qfc: also draw line from function start while moving
  no need to save on tracking start anymore
  save axis opts, not just spline control points
  tracker: change centering order again
  fix typo
  cmake: don't say "opentrack" twice for osx build
  ui: really don't switch profiles while refreshing combobox
  pt: fix type mismatch
  ui: save prior to switching configs
  tracker_rs: adjusted tracker's name
  ui: don't reload settings if config wasn't changed
  ui: save everything before switching profiles
  options: return .ini basename easier
  tracker_rs: more readable icon
  tracker_rs: prevent potential thread starvation
  ui: switch to newly-created config
  ui: decruft
  ui: also bail on new config if its name is ".ini"
  ui: auto-refresh config list
  ui: display up to 20 profiles w/o scrolling
  ui: create an empty config properly in another code branch
  udp-tracker: silence harmless warning
  plugin-support: fix typo
  plugin-support: set more sane RTLD flags
  plugin-support: free modules from address space when needed
  ui: rename symbol to reflect current usage
  ui: move some slots to private
  ui, shortcuts: these are slots, actually
  ui: no need to write anything to new empty config
  ui: avoid potential memory leak
  ft: new game support
  game-data: chomp newlines in extractor
  ui: append extension in the right place
  simple-mat: fix arglist SFINAE
  simple-mat: can use static_cast here
  nix default empty config. it gets created on its own.
  ui: these aren't qt slots
  ui: nix wrong headers
  ui: remove GNU GPL
  ui: simplify condition
  props changed only
  main, ui: store config files in a predefined directory
  pt: show extracted points' areas and success count
  close dialogs on switch to new module
  ...

1 files changed, 3 insertions, 2 deletions

diff --git a/cmake/mingw-w64.cmake b/cmake/mingw-w64.cmake
index 80ecf0f5..f8ee1d41 100644
--- a/cmake/mingw-w64.cmake
+++ b/cmake/mingw-w64.cmake
@@ -25,11 +25,12 @@ SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
 SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
 SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
 
-set(cpu "-O3 -march=i686 -mtune=corei7-avx -ffast-math -mfpmath=both -msse -msse2 -mno-sse3 -mno-avx")
+# oldest CPU supported here is Northwood-based Pentium 4. -sh 20150811
+set(cpu "-O3 -march=pentium4 -mtune=corei7-avx -ffast-math -mfpmath=both -msse -msse2 -mno-sse3")
 
 set(CFLAGS-OVERRIDE "" CACHE STRING "")
 
-set(CMAKE_C_FLAGS_RELEASE "${rice} ${cpu} ${CFLAGS-OVERRIDE}" CACHE STRING "" FORCE)
+set(CMAKE_C_FLAGS_RELEASE "${cpu} ${CFLAGS-OVERRIDE}" CACHE STRING "" FORCE)
 set(CMAKE_CXX_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE} CACHE STRING "" FORCE)
 set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${cpu} ${CFLAGS-OVERRIDE}" CACHE STRING "" FORCE)
 set(CMAKE_EXE_LINKER_FLAGS_RELEASE ${CMAKE_SHARED_LINKER_FLAGS_RELEASE} CACHE STRING "" FORCE)