Merge remote-tracking branch 'remotes/thuth-gitlab/tags/pull-request-2021-06-02' into staging

* Update the references to some doc files (use *.rst instead of *.txt)
* Bump minimum versions of some requirements after removing CentOS 7 support

# gpg: Signature made Wed 02 Jun 2021 08:12:18 BST
# 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

* remotes/thuth-gitlab/tags/pull-request-2021-06-02:
  configure: bump min required CLang to 6.0 / XCode 10.0
  configure: bump min required GCC to 7.5.0
  configure: bump min required glib version to 2.56
  tests/docker: drop CentOS 7 container
  tests/vm: convert centos VM recipe to CentOS 8
  crypto: drop used conditional check
  crypto: bump min gnutls to 3.5.18, dropping RHEL-7 support
  crypto: bump min gcrypt to 1.8.0, dropping RHEL-7 support
  crypto: drop back compatibility typedefs for nettle
  crypto: bump min nettle to 3.4, dropping RHEL-7 support
  patchew: move quick build job from CentOS 7 to CentOS 8 container
  block/ssh: Bump minimum libssh version to 0.8.7
  docs: fix references to docs/devel/s390-dasd-ipl.rst
  docs: fix references to docs/specs/tpm.rst
  docs: fix references to docs/devel/build-system.rst
  docs: fix references to docs/devel/atomics.rst
  docs: fix references to docs/devel/tracing.rst

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

3 files changed, 9 insertions, 53 deletions

diff --git a/tests/docker/dockerfiles/centos7.docker b/tests/docker/dockerfiles/centos7.docker
deleted file mode 100644
index 75fdb53c7c..0000000000
--- a/tests/docker/dockerfiles/centos7.docker
+++ /dev/null
@@ -1,43 +0,0 @@
-FROM centos:7
-RUN yum install -y epel-release centos-release-xen-48
-
-RUN yum -y update
-
-# Please keep this list sorted alphabetically
-ENV PACKAGES \
-    bzip2 \
-    bzip2-devel \
-    ccache \
-    csnappy-devel \
-    dbus-daemon \
-    gcc-c++ \
-    gcc \
-    gettext \
-    git \
-    glib2-devel \
-    glibc-static \
-    gnutls-devel \
-    libaio-devel \
-    libepoxy-devel \
-    libfdt-devel \
-    libgcrypt-devel \
-    librdmacm-devel \
-    libzstd-devel \
-    lzo-devel \
-    make \
-    mesa-libEGL-devel \
-    mesa-libgbm-devel \
-    nettle-devel \
-    ninja-build \
-    perl-Test-Harness \
-    pixman-devel \
-    python3 \
-    SDL2-devel \
-    spice-glib-devel \
-    spice-server-devel \
-    tar \
-    vte-devel \
-    xen-devel \
-    zlib-devel
-RUN yum install -y $PACKAGES
-RUN rpm -q $PACKAGES | sort > /packages.txt
diff --git a/tests/qapi-schema/meson.build b/tests/qapi-schema/meson.build
index 9e8f658ce3..b8de58116a 100644
--- a/tests/qapi-schema/meson.build
+++ b/tests/qapi-schema/meson.build
@@ -208,7 +208,7 @@ schemas += [meson.current_source_dir() / 'missing-schema.json']
 
 # Because people may want to use test-qapi.py from the command line, we
 # are not using the "#! /usr/bin/env python3" trick here.  See
-# docs/devel/build-system.txt
+# docs/devel/build-system.rst
 test('QAPI schema regression tests', python,
      args: files('test-qapi.py') + schemas,
      env: test_env, suite: ['qapi-schema', 'qapi-frontend'])
diff --git a/tests/vm/centos b/tests/vm/centos
index efe3dbbb36..5c7bc1c1a9 100755
--- a/tests/vm/centos
+++ b/tests/vm/centos
@@ -26,24 +26,23 @@ class CentosVM(basevm.BaseVM):
         export SRC_ARCHIVE=/dev/vdb;
         sudo chmod a+r $SRC_ARCHIVE;
         tar -xf $SRC_ARCHIVE;
-        make docker-test-block@centos7 {verbose} J={jobs} NETWORK=1;
-        make docker-test-quick@centos7 {verbose} J={jobs} NETWORK=1;
+        make docker-test-block@centos8 {verbose} J={jobs} NETWORK=1;
+        make docker-test-quick@centos8 {verbose} J={jobs} NETWORK=1;
         make docker-test-mingw@fedora  {verbose} J={jobs} NETWORK=1;
     """
 
     def build_image(self, img):
-        cimg = self._download_with_cache("https://cloud.centos.org/centos/7/images/CentOS-7-x86_64-GenericCloud-1802.qcow2.xz")
+        cimg = self._download_with_cache("https://cloud.centos.org/centos/8/x86_64/images/CentOS-8-GenericCloud-8.3.2011-20201204.2.x86_64.qcow2")
         img_tmp = img + ".tmp"
-        sys.stderr.write("Extracting the image...\n")
-        subprocess.check_call(["ln", "-f", cimg, img_tmp + ".xz"])
-        subprocess.check_call(["xz", "--keep", "-dvf", img_tmp + ".xz"])
+        subprocess.check_call(["ln", "-f", cimg, img_tmp])
         self.exec_qemu_img("resize", img_tmp, "50G")
         self.boot(img_tmp, extra_args = ["-cdrom", self.gen_cloud_init_iso()])
         self.wait_ssh()
         self.ssh_root_check("touch /etc/cloud/cloud-init.disabled")
-        self.ssh_root_check("yum update -y")
-        self.ssh_root_check("yum install -y docker make ninja-build git python3")
-        self.ssh_root_check("systemctl enable docker")
+        self.ssh_root_check("dnf update -y")
+        self.ssh_root_check("dnf install -y dnf-plugins-core")
+        self.ssh_root_check("dnf config-manager --set-enabled powertools")
+        self.ssh_root_check("dnf install -y podman make ninja-build git python3")
         self.ssh_root("poweroff")
         self.wait()
         os.rename(img_tmp, img)