Windows: Always set the system timer resolution to 1ms by default.

An existing hint lets apps that don't need the timer resolution changed avoid
this, to save battery, etc, but this fixes several problems in timing, audio
callbacks not firing fast enough, etc.

Fixes Bugzilla #2944.

build-scripts/g++-fat.sh

@@ -0,0 +1,101 @@
+#!/bin/sh
+#
+# Build Universal binaries on Mac OS X, thanks Ryan!
+#
+# Usage: ./configure CXX="sh g++-fat.sh" && make && rm -rf x86 x64
+
+DEVELOPER="`xcode-select -print-path`/Platforms/MacOSX.platform/Developer"
+
+# Intel 32-bit compiler flags (10.6 runtime compatibility)
+GCC_COMPILE_X86="g++ -arch i386 -mmacosx-version-min=10.5 \
+-I/usr/local/include"
+
+GCC_LINK_X86="-mmacosx-version-min=10.5"
+
+# Intel 64-bit compiler flags (10.6 runtime compatibility)
+GCC_COMPILE_X64="g++ -arch x86_64 -mmacosx-version-min=10.6 \
+-I/usr/local/include"
+
+GCC_LINK_X64="-mmacosx-version-min=10.6"
+
+# Output both PowerPC and Intel object files
+args="$*"
+compile=yes
+link=yes
+while test x$1 != x; do
+    case $1 in
+        --version) exec g++ $1;;
+        -v) exec g++ $1;;
+        -V) exec g++ $1;;
+        -print-prog-name=*) exec g++ $1;;
+        -print-search-dirs) exec g++ $1;;
+        -E) GCC_COMPILE_X86="$GCC_COMPILE_X86 -E"
+            GCC_COMPILE_X64="$GCC_COMPILE_X64 -E"
+            compile=no; link=no;;
+        -c) link=no;;
+        -o) output=$2;;
+        *.c|*.cc|*.cpp|*.S|*.m|*.mm) source=$1;;
+    esac
+    shift
+done
+if test x$link = xyes; then
+    GCC_COMPILE_X86="$GCC_COMPILE_X86 $GCC_LINK_X86"
+    GCC_COMPILE_X64="$GCC_COMPILE_X64 $GCC_LINK_X64"
+fi
+if test x"$output" = x; then
+    if test x$link = xyes; then
+        output=a.out
+    elif test x$compile = xyes; then
+        output=`echo $source | sed -e 's|.*/||' -e 's|\(.*\)\.[^\.]*|\1|'`.o
+    fi
+fi
+
+# Compile X86 32-bit
+if test x"$output" != x; then
+    dir=x86/`dirname $output`
+    if test -d $dir; then
+        :
+    else
+        mkdir -p $dir
+    fi
+fi
+set -- $args
+while test x$1 != x; do
+    if test -f "x86/$1" && test "$1" != "$output"; then
+        x86_args="$x86_args x86/$1"
+    else
+        x86_args="$x86_args $1"
+    fi
+    shift
+done
+$GCC_COMPILE_X86 $x86_args || exit $?
+if test x"$output" != x; then
+    cp $output x86/$output
+fi
+
+# Compile X86 32-bit
+if test x"$output" != x; then
+    dir=x64/`dirname $output`
+    if test -d $dir; then
+        :
+    else
+        mkdir -p $dir
+    fi
+fi
+set -- $args
+while test x$1 != x; do
+    if test -f "x64/$1" && test "$1" != "$output"; then
+        x64_args="$x64_args x64/$1"
+    else
+        x64_args="$x64_args $1"
+    fi
+    shift
+done
+$GCC_COMPILE_X64 $x64_args || exit $?
+if test x"$output" != x; then
+    cp $output x64/$output
+fi
+
+if test x"$output" != x; then
+    lipo -create -o $output x86/$output x64/$output
+fi