Python2 did not validate locale correctness when reading input data, so
would happily read UTF-8 data in non-UTF-8 locales. Python3 is strict so
if you try to read UTF-8 data in the C locale, it will raise an error
for any UTF-8 bytes that aren't representable in 7-bit ascii encoding.
e.g.
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 54: ordinal not in range(128)
Traceback (most recent call last):
File "/tmp/qemu-test/src/scripts/qapi-commands.py", line 317, in <module>
schema = QAPISchema(input_file)
File "/tmp/qemu-test/src/scripts/qapi.py", line 1468, in __init__
parser = QAPISchemaParser(open(fname, 'r'))
File "/tmp/qemu-test/src/scripts/qapi.py", line 301, in __init__
previously_included)
File "/tmp/qemu-test/src/scripts/qapi.py", line 348, in _include
exprs_include = QAPISchemaParser(fobj, previously_included, info)
File "/tmp/qemu-test/src/scripts/qapi.py", line 271, in __init__
self.src = fp.read()
File "/usr/lib64/python3.5/encodings/ascii.py", line 26, in decode
return codecs.ascii_decode(input, self.errors)[0]
More background on this can be seen in
https://www.python.org/dev/peps/pep-0538/
Many distros support a new C.UTF-8 locale that is like the C locale,
but with UTF-8 instead of 7-bit ASCII. That is not entirely portable
though. This patch thus sets the LANG to "C", but overrides LC_CTYPE
to be en_US.UTF-8 locale. This gets us pretty close to C.UTF-8, but
in a way that should be portable to everywhere QEMU builds.
This patch only forces UTF-8 for QAPI scripts, since that is the one
showing the immediate error under Python3 with C locale, but potentially
we ought to force this for all python scripts used in the build process.
Backports commit d4e5ec877ca698a87dabe68814c6f93668f50c60 from qemu
Move generic make flags in MAKEFLAGS (SUBDIR_MAKEFLAGS is more qemu specific).
Use --quiet to silence make 'is up to date' message.
Backports commit 42a77f1ce4934b243df003f95bda88530631387a from qemu
For some systems (i.e. FreeBSD) the default 'make' is not compatible with the
GNU extensions used by QEMU makefiles.
Calling the GNU make (gmake) works, however the help displayed refers to the
host 'make' and copy/paste leads to lot of unobvious errors:
$ gmake check-help
[...]
make check Run all tests
$ make check
make: "Makefile" line 28: Missing dependency operator
make: "Makefile" line 37: Need an operator
make: "Makefile" line 41: warning: duplicate script for target "git-submodule-update" ignored
make: "rules.mak" line 70: warning: duplicate script for target "%.o" ignored
make: Unknown modifier ' '
make: Unclosed substitution for eval modules (= missing)
make: "tests/Makefile.include" line 24: Variable/Value missing from "export"
make: "tests/" line 1: warning: Zero byte read from file, skipping rest of line.
make: "tests/" line 1: Need an operator
make: "Makefile" line 660: warning: duplicate script for target "ifneq" ignored
make: "Makefile" line 78: warning: using previous script for "ifneq" defined here
make: Fatal errors encountered -- cannot continue
Using the $(MAKE) variable, the help displayed is consistent with the 'make'
program used.
Backports commit b98a3bae2596fd9bf60f140d042c8e993daba930 from qemu
Mandatory option is silly, and the error handling is missing: the
programs crash when -i isn't supplied. Make it an argument, and check
it properly.
Backports commit 16d80f61814745bd3f5bb9f47ae3b00edf9e1e45 from qemu
Future patches will be adding more crypto related APIs which
rely on QOM infrastructure. This creates a problem, because
QOM relies on library constructors to register objects. When
you have a file in a static .a library though which is only
referenced by a constructor the linker is dumb and will drop
that file when linking to the final executable :-( The only
workaround for this is to link the .a library to the executable
using the -Wl,--whole-archive flag, but this creates its own
set of problems because QEMU is relying on lazy linking for
libqemuutil.a. Using --whole-archive majorly increases the
size of final executables as they now contain a bunch of
object code they don't actually use.
The least bad option is to thus not include the crypto objects
in libqemuutil.la, and instead define a crypto-obj-y variable
that is referenced directly by all the executables that need
this code (tools + softmmu, but not qemu-ga). We avoid pulling
entire of crypto-obj-y into the userspace emulators as that
would force them to link to gnutls too, which is not required.
Backports commit fb37726db77b21f3731b90693d2c93ade1777528 from qemu
