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The following files should not normally be distributed:
`*.cmo` object files. Exception: see above.
`*.o` for corresponding `*.cmx`. Exception: see above.
`*.ml` sources. Exception: see above.
Security issues in OCaml libraries
If a security issue arises in an OCaml library, then all libraries and binaries which depend on it must be recompiled.
OCaml scripts do not need to be changed (unless resolving the security issue requires changing the public interface to the library and the script is broken by the change). This is because OCaml scripts are recompiled each time they run.
RPM Macros
The following macros are available to use in spec files:
`%{ocaml_native_compiler}`: the architectures for which native compilation is available
`%{ocaml_natdynlink}`: the architectures for which native dynamic linking is available
`%{ocamldir}`: top-level installation directory for OCaml packages, currently equivalent to `%{_libdir}/ocaml`
`%{ocaml_files}`: generate a list of installed files, in files named `.ofiles` (for the main package) and .ofiles-devel (for the devel subpackage), unless `-s` or `-n` is given. This macro requires that python3 be available in the buildroot. Flags:
`-n`: there is no devel subpackage. All files are listed in `.ofiles`.
`-s`: separate installation; each subdirectory of `%{ocamldir}` is a separate RPM package. For each subdirectory, `.ofiles-<subdir>` and `.ofiles-<subdir>-devel` is generated (unless `-n` is also given).
Examples
This section contains example spec files illustrating how to build OCaml library and binary packages with various build tools.
Dune
Dune is a popular build tool for OCaml packages. RPM macros are available to make building with dune simple.
`%dune_build`: Invoke dune to build all installable artifacts in release mode. Flags:
`-j <number>`: number of jobs that can be run in parallel. This is automatically set to `%{?_smp_mflags}`, so is typically used only to eliminate parallelism with `-j 1`.
`-p <modules>`: tell dune to build the comma-separated list of modules only, rather than every installable artifact.
`--`: separate flags for this macro from flags to pass to dune
`%dune_install`: Invoke dune to install all installable artifacts. Flags:
`-n`: there is no devel subpackage. All files are associated with the main package.
`-s`: separate installation; each subdirectory of `%{ocamldir}` is a separate RPM package. Otherwise, all files are associated with a single main package.
`%dune_check`: Invoke dune to run tests for all installable artifacts. Flags:
`%odoc_package`: Declare a subpackage that olds odoc-generated documentation. Flags:
`-L <license_filename>`: give the name of a file to include in the subpackage as a license file.
The following is an example specfile for an imaginary OCaml library called _foolib_ that is built with `dune`.
ocaml-dune-example.spec

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type: Title ==
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no-wrap, read-only
Source string location
./pages/OCaml.adoc:158
String age
a year ago
Last updated
5 months ago
Source string age
a year ago
Translation file
pot/master/pages/OCaml.pot, string 74