Merge tag 'pull-request-2023-02-14' of https://gitlab.com/thuth/qemu into staging

* Bump minimum Clang version to 10.0
* Improve the handling of the libdw library
* Deprecate --enable-gprof builds and remove them from CI
* Remove the deprecated "sga" device
* Some header #include clean-ups
* Make qtests more flexible with regards to missing devices
* Some small s390x-related fixes/improvements

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# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2023-02-14' of https://gitlab.com/thuth/qemu: (22 commits)
  hw/s390x/event-facility: Replace DO_UPCAST(SCLPEvent) by SCLP_EVENT()
  tests/tcg/s390x: Use -nostdlib for softmmu tests
  tests/qtest: Don't build virtio-serial-test.c if device not present
  tests/qtest: bios-tables-test: Skip if missing configs
  tests/qemu-iotests: Require virtio-scsi-pci
  tests/qtest: Do not include hexloader-test if loader device is not present
  tests/qtest: Check for devices in bios-tables-test
  tests/qtest: drive_del-test: Skip tests that require missing devices
  tests/qtest: Skip unplug tests that use missing devices
  test/qtest: Fix coding style in device-plug-test.c
  tests/qtest: hd-geo-test: Check for missing devices
  tests/qtest: Add dependence on PCIE_PORT for virtio-net-failover.c
  tests/qtest: Do not run lsi53c895a test if device is not present
  tests/qtest: Skip PXE tests for missing devices
  Do not include "qemu/error-report.h" in headers that do not need it
  include/hw: Do not include "hw/registerfields.h" in headers that don't need it
  hw/misc/sga: Remove the deprecated "sga" device
  tests/qtest/npcm7xx_pwm-test: Be less verbose unless V=2
  build: deprecate --enable-gprof builds and remove from CI
  meson: Disable libdw for static builds by default
  ...

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

1 files changed, 6 insertions, 19 deletions

diff --git a/configure b/configure
index 64960c6000..00415f0b48 100755
--- a/configure
+++ b/configure
@@ -1018,7 +1018,7 @@ cat << EOF
   debug-tcg       TCG debugging (default is disabled)
   debug-info      debugging information
   safe-stack      SafeStack Stack Smash Protection. Depends on
-                  clang/llvm >= 3.7 and requires coroutine backend ucontext.
+                  clang/llvm and requires coroutine backend ucontext.
 
 NOTE: The object files are built at the place where configure is launched
 EOF
@@ -1138,12 +1138,12 @@ fi
 cat > $TMPC << EOF
 #if defined(__clang_major__) && defined(__clang_minor__)
 # ifdef __apple_build_version__
-#  if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
-#   error You need at least XCode Clang v10.0 to compile QEMU
+#  if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
+#   error You need at least XCode Clang v12.0 to compile QEMU
 #  endif
 # else
-#  if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0)
-#   error You need at least Clang v6.0 to compile QEMU
+#  if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
+#   error You need at least Clang v10.0 to compile QEMU
 #  endif
 # endif
 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
@@ -1156,7 +1156,7 @@ cat > $TMPC << EOF
 int main (void) { return 0; }
 EOF
 if ! compile_prog "" "" ; then
-    error_exit "You need at least GCC v7.4 or Clang v6.0 (or XCode Clang v10.0)"
+    error_exit "You need at least GCC v7.4 or Clang v10.0 (or XCode Clang v12.0)"
 fi
 
 # Accumulate -Wfoo and -Wno-bar separately.
@@ -1261,19 +1261,6 @@ EOF
   fi
 fi
 
-# Disable -Wmissing-braces on older compilers that warn even for
-# the "universal" C zero initializer {0}.
-cat > $TMPC << EOF
-struct {
-  int a[2];
-} x = {0};
-EOF
-if compile_object "-Werror" "" ; then
-  :
-else
-  QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
-fi
-
 # Our module code doesn't support Windows
 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
   error_exit "Modules are not available for Windows"