Update to v106r46 release.

byuu says:

Changelog:

  - bsnes, higan: simplified make output; reordered rules
  - hiro: added Window::set(Minimum,Maximum)Size() [only implemented in
    GTK+ so far]
  - bsnes: only allow the window to be shrunk to the 1x multiplier size
  - bsnes: refactored Integral Scaling checkbox to {Center, Scale,
    Stretch} radio selection
  - nall: call fflush() after nall::print() to stdout or stderr [needed
    for msys2/bash]
  - bsnes, higan: program/interface.cpp renamed to program/platform.cpp
  - bsnes: trim ".shader/" from names in Settings→Shader menu
  - bsnes: Settings→Shader menu updated on video driver changes
  - bsnes: remove missing games from recent files list each time it is
    updated
  - bsnes: video multiplier menu generated dynamically based on largest
    monitor size at program startup
  - bsnes: added shrink window and center window function to video
    multiplier menu
  - bsnes: de-minimize presentation window when exiting fullscreen mode
    or changing video multiplier
  - bsnes: center the load game dialog against the presentation window
    (important for multi-monitor setups)
  - bsnes: screenshots are not immediate instead of delayed one frame
  - bsnes: added frame advance menu option and hotkey
  - bsnes: added enable cheats checkbox and hotkey; can be used to
    quickly enable/disable all active cheats

Errata:

  - hiro/Windows: `SW_MINIMIZED`, `SW_MAXIMIZED `=> `SW_MINIMIZE`,
    `SW_MAXIMIZE`
  - hiro/Windows: add pMonitor::workspace()
  - hiro/Windows: add setMaximized(), setMinimized() in
    pWindow::construct()
  - bsnes: call setCentered() after setMaximized(false)

nall/GNUmakefile

@@ -31,11 +31,11 @@ ifeq ($(platform),)
 
   # common commands
   ifeq ($(uname),)
-    rm = del /q $(subst /,\,$1)
-    rmdir = del /s /q $(subst /,\,$1) && if exist $(subst /,\,$1) (rmdir /s /q $(subst /,\,$1))
+    rm = $(info Deleting $1 ...) @del /q $(subst /,\,$1)
+    rmdir = $(info Deleting $1 ...) @del /s /q $(subst /,\,$1) && if exist $(subst /,\,$1) (rmdir /s /q $(subst /,\,$1))
   else
-    rm = rm -f $1
-    rmdir = rm -rf $1
+    rm = $(info Deleting $1 ...) @rm -f $1
+    rmdir = $(info Deleting $1 ...) @rm -rf $1
   endif
 endif
 
@@ -75,6 +75,12 @@ else ifeq ($(build),performance)
   flags += -O3 -DBUILD_PERFORMANCE
 endif
 
+# link-time optimization
+ifeq ($(lto),true)
+  flags += -fwhole-program -flto -fno-fat-lto-objects
+  link += -fwhole-program -flto=jobserver
+endif
+
 # openmp support
 ifeq ($(openmp),true)
   # macOS Xcode does not ship with OpenMP support
@@ -129,6 +135,15 @@ endif
 # paths
 prefix := $(HOME)/.local
 
+# targets
+all: default;
+
+information:
+	$(info Compiler Flags:)
+	$(foreach n,$(sort $(call unique,$(flags))),$(if $(filter-out -I%,$n),$(info $([space]) $n)))
+	$(info Linker Flags:)
+	$(foreach n,$(sort $(call unique,$(link))),$(if $(filter-out -l%,$n),$(info $([space]) $n)))
+
 # function rwildcard(directory, pattern)
 rwildcard = \
   $(strip \