Merge tag 'darwin-20220315' of https://github.com/philmd/qemu into staging

Darwin-based host patches

- Remove various build warnings
- Fix building with modules on macOS
- Fix mouse/keyboard GUI interactions

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* tag 'darwin-20220315' of https://github.com/philmd/qemu: (21 commits)
  MAINTAINERS: Volunteer to maintain Darwin-based hosts support
  ui/cocoa: add option to swap Option and Command
  ui/cocoa: capture all keys and combos when mouse is grabbed
  ui/cocoa: release mouse when user switches away from QEMU window
  ui/cocoa: add option to disable left-command forwarding to guest
  ui/cocoa: Constify qkeycode translation arrays
  configure: Pass filtered QEMU_OBJCFLAGS to meson
  meson: Log QEMU_CXXFLAGS content in summary
  meson: Resolve the entitlement.sh script once for good
  osdep: Avoid using Clang-specific __builtin_available()
  audio: Rename coreaudio extension to use Objective-C compiler
  coreaudio: Always return 0 in handle_voice_change
  audio: Log context for audio bug
  audio/dbus: Fix building with modules on macOS
  audio/coreaudio: Remove a deprecation warning on macOS 12
  block/file-posix: Remove a deprecation warning on macOS 12
  hvf: Remove deprecated hv_vcpu_flush() calls
  hvf: Make hvf_get_segments() / hvf_put_segments() local
  hvf: Use standard CR0 and CR4 register definitions
  tests/fp/berkeley-testfloat-3: Ignore ignored #pragma directives
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 31 insertions, 0 deletions

diff --git a/configure b/configure
index 8860003..cd4946b 100755
--- a/configure
+++ b/configure
@@ -77,6 +77,7 @@ TMPB="qemu-conf"
 TMPC="${TMPDIR1}/${TMPB}.c"
 TMPO="${TMPDIR1}/${TMPB}.o"
 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
+TMPM="${TMPDIR1}/${TMPB}.m"
 TMPE="${TMPDIR1}/${TMPB}.exe"
 
 rm -f config.log
@@ -148,6 +149,10 @@ do_cxx() {
     do_compiler "$cxx" $CPU_CFLAGS "$@"
 }
 
+do_objc() {
+    do_compiler "$objcc" $CPU_CFLAGS "$@"
+}
+
 # Append $2 to the variable named $1, with space separation
 add_to() {
     eval $1=\${$1:+\"\$$1 \"}\$2
@@ -285,6 +290,7 @@ done
 
 EXTRA_CFLAGS=""
 EXTRA_CXXFLAGS=""
+EXTRA_OBJCFLAGS=""
 EXTRA_LDFLAGS=""
 
 xen_ctrl_version="$default_feature"
@@ -366,9 +372,12 @@ for opt do
   --extra-cflags=*)
     EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
     EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
+    EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
     ;;
   --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
   ;;
+  --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
+  ;;
   --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
   ;;
   --enable-debug-info) debug_info="yes"
@@ -748,6 +757,8 @@ for opt do
   ;;
   --extra-cxxflags=*)
   ;;
+  --extra-objcflags=*)
+  ;;
   --extra-ldflags=*)
   ;;
   --enable-debug-info)
@@ -1172,6 +1183,7 @@ Advanced options (experts only):
   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
   --extra-cflags=CFLAGS    append extra C compiler flags CFLAGS
   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
+  --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
   --cross-cc-cflags-ARCH=  use compiler flags when building ARCH guest tests
@@ -1438,10 +1450,27 @@ cc_has_warning_flag() {
     compile_prog "-Werror $optflag" ""
 }
 
+objcc_has_warning_flag() {
+    cat > $TMPM <<EOF
+int main(void) { return 0; }
+EOF
+
+    # Use the positive sense of the flag when testing for -Wno-wombat
+    # support (gcc will happily accept the -Wno- form of unknown
+    # warning options).
+    optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
+    do_objc -Werror $optflag \
+      $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \
+      -o $TMPE $TMPM $QEMU_LDFLAGS
+}
+
 for flag in $gcc_flags; do
     if cc_has_warning_flag $flag ; then
         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
     fi
+    if objcc_has_warning_flag $flag ; then
+        QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag"
+    fi
 done
 
 if test "$stack_protector" != "no"; then
@@ -2983,6 +3012,7 @@ echo "LD=$ld" >> $config_host_mak
 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
+echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak
 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
 echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak
@@ -3137,6 +3167,7 @@ if test "$skip_meson" = no; then
   echo "[built-in options]" >> $cross
   echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
   echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
+  test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
   echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
   echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
   echo "[binaries]" >> $cross