2fed21d25b
When selecting an ARM target on Debian unstable, we get:
Compiling C++ object libcommon.fa.p/disas_libvixl_vixl_utils.cc.o
FAILED: libcommon.fa.p/disas_libvixl_vixl_utils.cc.o
c++ -Ilibcommon.fa.p -I. -I.. [...] -o libcommon.fa.p/disas_libvixl_vixl_utils.cc.o -c ../disas/libvixl/vixl/utils.cc
In file included from /home/philmd/qemu/disas/libvixl/vixl/utils.h:30,
from ../disas/libvixl/vixl/utils.cc:27:
/usr/include/string.h:36:43: error: missing binary operator before token "("
36 | #if defined __cplusplus && (__GNUC_PREREQ (4, 4) \
| ^
/usr/include/string.h:53:62: error: missing binary operator before token "("
53 | #if defined __USE_MISC || defined __USE_XOPEN || __GLIBC_USE (ISOC2X)
| ^
/usr/include/string.h:165:21: error: missing binary operator before token "("
165 | || __GLIBC_USE (LIB_EXT2) || __GLIBC_USE (ISOC2X))
| ^
/usr/include/string.h:174:43: error: missing binary operator before token "("
174 | #if defined __USE_XOPEN2K8 || __GLIBC_USE (LIB_EXT2) || __GLIBC_USE (ISOC2X)
| ^
/usr/include/string.h:492:19: error: missing binary operator before token "("
492 | #if __GNUC_PREREQ (3,4)
| ^
Relevant information from the host:
$ lsb_release -d
Description: Debian GNU/Linux 11 (bullseye)
$ gcc --version
gcc (Debian 10.2.1-6) 10.2.1 20210110
$ dpkg -S /usr/include/string.h
libc6-dev: /usr/include/string.h
$ apt-cache show libc6-dev
Package: libc6-dev
Version: 2.31-11
Partially cherry-pick vixl commit 78973f258039f6e96 [*]:
Refactor VIXL to use `extern` block when including C header
that do not have a C++ counterpart.
which is similar to commit 875df03b221 ('osdep: protect qemu/osdep.h
with extern "C"').
[*] https://git.linaro.org/arm/vixl.git/commit/?id=78973f258039f6e96
Buglink: https://bugs.launchpad.net/qemu/+bug/1914870
Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20210516171023.510778-1-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The code in this directory is a subset of libvixl: https://github.com/armvixl/vixl (specifically, it is the set of files needed for disassembly only, taken from libvixl 1.12). Bugfixes should preferably be sent upstream initially. The disassembler does not currently support the entire A64 instruction set. Notably: * Limited support for system instructions. * A few miscellaneous integer and floating point instructions are missing.