Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging

New build system, with "fake in-tree builds" support.

Missing:
* converting configure tests
* converting unit tests
* converting some remaining parts of the installation

# gpg: Signature made Fri 21 Aug 2020 11:33:35 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini-gitlab/tags/for-upstream: (152 commits)
  docs: convert build system documentation to rST
  meson: update build-system documentation
  meson: avoid unstable module warning with Meson 0.56.0 or newer
  meson: convert po/
  meson: convert VNC and dependent libraries to meson
  meson: move SDL and SDL-image detection to meson
  meson: convert sample plugins
  meson: replace create-config with meson configure_file
  rules.mak: drop unneeded macros
  meson: convert check-block
  meson: build texi doc
  docs: automatically track manual dependencies
  meson: sphinx-build
  remove Makefile.target
  rules.mak: remove version.o
  meson: convert systemtap files
  configure: place compatibility symlinks in target directories
  meson: link emulators without Makefile.target
  meson: plugins
  meson: cpu-emu
  ...

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

1 files changed, 102 insertions, 0 deletions

diff --git a/scripts/mtest2make.py b/scripts/mtest2make.py
new file mode 100644
index 0000000000..bdb257bbd9
--- /dev/null
+++ b/scripts/mtest2make.py
@@ -0,0 +1,102 @@
+#! /usr/bin/env python3
+
+# Create Makefile targets to run tests, from Meson's test introspection data.
+#
+# Author: Paolo Bonzini <pbonzini@redhat.com>
+
+from collections import defaultdict
+import json
+import os
+import shlex
+import sys
+
+class Suite(object):
+    def __init__(self):
+        self.tests = list()
+        self.slow_tests = list()
+        self.executables = set()
+
+print('''
+SPEED = quick
+
+# $1 = test command, $2 = test name
+.test-human-tap = $1 < /dev/null | ./scripts/tap-driver.pl --test-name="$2" $(if $(V),,--show-failures-only)
+.test-human-exitcode = $1 < /dev/null
+.test-tap-tap = $1 < /dev/null | sed "s/^[a-z][a-z]* [0-9]*/& $2/" || true
+.test-tap-exitcode = printf "%s\\n" 1..1 "`$1 < /dev/null > /dev/null || echo "not "`ok 1 $2"
+.test.print = echo $(if $(V),'$1','Running test $2') >&3
+.test.env = MALLOC_PERTURB_=$${MALLOC_PERTURB_:-$$(( $${RANDOM:-0} % 255 + 1))}
+
+# $1 = test name, $2 = test target (human or tap)
+.test.run = $(call .test.print,$(.test.cmd.$1),$(.test.name.$1)) && $(call .test-$2-$(.test.driver.$1),$(.test.cmd.$1),$(.test.name.$1))
+
+define .test.human_k
+        @exec 3>&1; rc=0; $(foreach TEST, $1, $(call .test.run,$(TEST),human) || rc=$$?;) \\
+              exit $$rc
+endef
+define .test.human_no_k
+        $(foreach TEST, $1, @exec 3>&1; $(call .test.run,$(TEST),human)
+)
+endef
+.test.human = \\
+        $(if $(findstring k, $(MAKEFLAGS)), $(.test.human_k), $(.test.human_no_k))
+
+define .test.tap
+        @exec 3>&1; { $(foreach TEST, $1, $(call .test.run,$(TEST),tap); ) } \\
+              | ./scripts/tap-merge.pl | tee "$@" \\
+              | ./scripts/tap-driver.pl $(if $(V),, --show-failures-only)
+endef
+''')
+
+suites = defaultdict(Suite)
+i = 0
+for test in json.load(sys.stdin):
+    env = ' '.join(('%s=%s' % (shlex.quote(k), shlex.quote(v))
+                    for k, v in test['env'].items()))
+    executable = os.path.relpath(test['cmd'][0])
+    if test['workdir'] is not None:
+        test['cmd'][0] = os.path.relpath(test['cmd'][0], test['workdir'])
+    else:
+        test['cmd'][0] = executable
+    cmd = '$(.test.env) %s %s' % (env, ' '.join((shlex.quote(x) for x in test['cmd'])))
+    if test['workdir'] is not None:
+        cmd = '(cd %s && %s)' % (shlex.quote(test['workdir']), cmd)
+    driver = test['protocol'] if 'protocol' in test else 'exitcode'
+
+    i += 1
+    print('.test.name.%d := %s' % (i, test['name']))
+    print('.test.driver.%d := %s' % (i, driver))
+    print('.test.cmd.%d := %s' % (i, cmd))
+
+    test_suites = test['suite'] or ['default']
+    is_slow = any(s.endswith('-slow') for s in test_suites)
+    for s in test_suites:
+        # The suite name in the introspection info is "PROJECT:SUITE"
+        s = s.split(':')[1]
+        if s.endswith('-slow'):
+            s = s[:-5]
+        if is_slow:
+            suites[s].slow_tests.append(i)
+        else:
+            suites[s].tests.append(i)
+        suites[s].executables.add(executable)
+
+print('.PHONY: check check-report.tap')
+print('check:')
+print('check-report.tap:')
+print('\t@cat $^ | scripts/tap-merge.pl >$@')
+for name, suite in suites.items():
+    executables = ' '.join(suite.executables)
+    slow_test_numbers = ' '.join((str(x) for x in suite.slow_tests))
+    test_numbers = ' '.join((str(x) for x in suite.tests))
+    print('.test.suite-quick.%s := %s' % (name, test_numbers))
+    print('.test.suite-slow.%s := $(.test.suite-quick.%s) %s' % (name, name, slow_test_numbers))
+    print('check-build: %s' % executables)
+    print('.PHONY: check-%s' % name)
+    print('.PHONY: check-report-%s.tap' % name)
+    print('check: check-%s' % name)
+    print('check-%s: all %s' % (name, executables))
+    print('\t$(call .test.human, $(.test.suite-$(SPEED).%s))' % (name, ))
+    print('check-report.tap: check-report-%s.tap' % name)
+    print('check-report-%s.tap: %s' % (name, executables))
+    print('\t$(call .test.tap, $(.test.suite-$(SPEED).%s))' % (name, ))