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Signed-off-by: izxl007 <zeng.zheng@zte.com.cn>
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Similar previous renames to fuse_main_real_versioned,
but here for the low level fuse_session_new.
Also remove symbol versioned as part of "fuse_session_new"
as that function is not part of the official API/ABI
and to allow easier access with dlopen/dlsym.
Also switch back to a macro fuse_session_new, just in
case some code has some expectations on that.
Signed-off-by: Bernd Schubert <bernd@bsbernd.com>
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Addresses https://github.com/libfuse/libfuse/issues/1092
We actually don't need to make fuse_main_real() symboled, as it
is not part of the official API.
The inlined function now always calls into fuse_main_real_317
and the compat ABI function (which should also be available
for dlopen/dlsym) is now always compiled, independent if the
compiler/linker support versioned symbols.
Additionally, fuse_main_real() is also declared as inlined
function and a warning message is created when that function
is called.
Signed-off-by: Bernd Schubert <bernd@bsbernd.com>
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Commit 58f85bfa9b7d ("Add in the libfuse version a program...")
forgot to add a fuse_main_real function for libfuse compilations
that are not symboled. That is now added in compat.c.
Signed-off-by: Bernd Schubert <bernd@bsbernd.com>
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Fixes: 73cd124d0408 ("Add clone_fd to custom IO (#927)")
Signed-off-by: Xiaoguang Wang <lege.wang@jaguarmicro.com>
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compat.c is supposed to be standalone to provide compat ABI symbols.
Including fuse header files can cause conflicts - just the opposite
of what compat.c was made for.
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This addresses https://github.com/libfuse/libfuse/issues/729
commit db35a37def14b72181f3630efeea0e0433103c41 introduced a public
config.h (rename to fuse_config.h to avoid conflicts) that
was installed with the package and included by libfuse users
through fuse_common.h. Probablem is that this file does not have
unique defines so that they are unique to libfuse - on including
the file conflicts with libfuse users came up.
In principle all defines could be prefixed, but then most of them
are internal for libfuse compilation only. So this splits out
publically required defines to a new file 'libfuse_config.h'
and changes back to include of "fuse_config.h" only when
HAVE_LIBFUSE_PRIVATE_CONFIG_H is defined.
This also renames HAVE_LIBC_VERSIONED_SYMBOLS to
LIBFUSE_BUILT_WITH_VERSIONED_SYMBOLS, as it actually
better explains for libfuse users what that variable
is for.
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This addresses: https://github.com/libfuse/libfuse/issues/724
HAVE_LIBC_VERSIONED_SYMBOLS configures the library if to use
versioned symbols and is set at meson configuration time.
External filesystems (the main target, actually)
include fuse headers and the preprocessor
then acts on HAVE_LIBC_VERSIONED_SYMBOLS. Problem was now that
'config.h' was not distributed with libfuse and so
HAVE_LIBC_VERSIONED_SYMBOLS was never defined with external
tools and the preprocessor did the wrong decision.
This commit also increases the the minimal meson version,
as this depends on meson feature only available in 0.50
<quote 'meson' >
WARNING: Project specifies a minimum meson_
version '>= 0.42' but uses features which were added
in newer versions:
* 0.50.0: {'install arg in configure_file'}
</quote>
Additionally the config file has been renamed to "fuse_config.h"
to avoid clashes - 'config.h' is not very specific.
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In fact only gnu-libc fully supports symbol versioning, so it is
better to have a generic macro for it. This also allows to manually
disable symbol version and allows to run tests with that
configuration on gnu-libc. That testing will still not catch compat
issues, but least ensures the code can compile.
Testing for __APPLE__ and __ULIBC__ is now done by meson. More of such
checks can be added by people using other libcs.
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For __APPLE__ and __ULIBC__, which are assumed to not support
versioned symbols, helper.c has a compat ABI symbol for
fuse_parse_cmdline(). However that ABI symbol was conflicting
with the API macro (which redirects to the right API function
for recompilations against current libfuse).
Additionally the parameter 'opts' had a typo and was called
'out_opts'.
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