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Add a --enable-pthread option to activate experimental threading code

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* NEWS, README, doc/org/compile.org: Mention the option and
its effect on compilation requirements.
* configure.ac: Add the --enable-pthread option, and ENABLE_PTHREAD
macro.
* doc/org/g++wrap.in, spot/Makefile.am, spot/libspot.pc.in: Compile
with -pthread conditionally.
* spot/graph/graph.hh, spot/twa/twagraph.cc: Adjust the code to not
use thread-local variables, and let the pthread code be optional.
* .gitlab-ci.yml: Activate --enable-pthread in two configurations.
This commit is contained in:
Alexandre Duret-Lutz 2022-06-16 23:43:50 +02:00
parent 721d5695ec
commit 23908f3d2f
10 changed files with 79 additions and 32 deletions
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doc/org/compile.org
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@ -210,11 +210,14 @@ one library requiring another, you will need to link with the =bddx=
library. This should be as simple as adding =-lbddx= after =-lspot=
in the first three cases.
Similarly, if Spot has been configured with =--enable-pthread=, you
will need to add =-pthread= to the compiler flags.
In the fourth case where =libtool= is used to link against
=libspot.la= linking against =libbddx.la= should not be necessary because
Libtool already handles such dependencies. However the version of =libtool=
distributed with Debian is patched to ignore those dependencies, so in this
case you 2
case you have to list all dependencies.
* Additional suggestions