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Bug #7344

open

build: build can sometimes fail copying the lua headers into place

Added by Jason Ish 7 days ago.

Status:
New
Priority:
Normal
Assignee:
Jason Ish
Target version:
TBD
Affected Versions:
git master
Effort:
Difficulty:
Label:

Description

During make, we copy the Lua headers into a known location using this Makefile line:

    cp -a $(RUST_SURICATA_LIBDIR)/build/suricata-lua-sys-*/out/lua/*.h \
        $(abs_top_builddir)/rust/gen/

after repeated builds, due to how Rust builds, one can end up with multiple directories matching the suricata-lua-sys-* pattern resulting in errors like:
cp -a ../rust/target/debug/build/suricata-lua-sys-*/out/lua/*.h \
    /home/jason/oisf/dev/suricata/bindgen/rust/gen/
cp: will not overwrite just-created '/home/jason/oisf/dev/suricata/bindgen/rust/gen/lapi.h' with '../rust/target/debug/build/suricata-lua-sys-eab3deb07b92b383/out/lua/lapi.h'
cp: will not overwrite just-created '/home/jason/oisf/dev/suricata/bindgen/rust/gen/lauxlib.h' with '../rust/target/debug/build/suricata-lua-sys-eab3deb07b92b383/out/lua/lauxlib.h'

which require a make clean to resolve.

The fix is to copy from one source directory, however this is only known during the build so best done from build.rs which knows exactly which directory in the target/ is the latest one.

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