Borrow a macro from https://github.com/popzxc/stdext-rs that
will give us the Rust function name in SCLog messages in Rust.
As this trick only works on Rust 1.38 and newer, keep the old
macro around and set a feature based on a Rust version test
done during ./configure.
Only run cbindgen when necessary. This is a bit tricky. When
building a dist we want to unconditionally build the headers.
When going through a "make; sudo make install" type process,
cbindgen should not be run as the headers already exist, are
valid, and the environment under sudo is more often than
not suitable to pick up the Rust toolchains when installed
with rustup.
For the normal "make" case we have the gen/rust-bindings.h file
depend on library file, this will cause it to only be rebuilt
if the code was modified.
For "make dist" we unconditionally create "dist/rust-bindings.h".
This means the generated file could be in 2 locations, so update
configure.ac, and the library search find to find it.
The "gen/rust-bindings.h" should be picked up first if it exists,
for those who develop from a dist archive where "dist/rust-bindings.h"
also exists.
Not completely happy having the same file in 2 locations, but not
sure how else to get the dependency tracking correct.
Support either the __thread GNUism or the C11 _Thread_local.
Use 'thread_local' to point to the one that is used. Convert existing
__thread user to 'thread_local'.
Remove non-thread-local code from the packet pool code.
Expose UTH flow builder to new 'FUZZ' define as well. Move UTHbufferToFile
as well and rename it to a more generic 'TestHelperBufferToFile'.
This way UNITTESTS can be disabled. This leads to smaller code size
and more realistic testing as in some parts of the code things
behave slightly differently when UNITTESTS are enabled.
If autodiscovery of libnss was used (default), then the line
libnss support: yes
was never set to no.
Same behavior for libnspr.
Broken by commit 'configure: fix nspr check logic' (7ea269a212)
The modifications as part of the cbindgen commit caused issues
with distcheck, revert the Makefile to how it was with the Python
generator, but still using cbindgen.
Also always assume we'll include the generated headers in the
distribution archive to fix make distcheck from distribution
archives with headers included, but no cbindgen.