Compile given source files so that they can subsequently be collected
into a shared object using
R CMD SHLIB or an executable
R CMD LINK. Not available on Windows.
R CMD COMPILE [options] srcfiles
A list of the names of source files to be compiled. Currently, C, C++, Objective C, Objective C++ and Fortran are supported; the corresponding files should have the extensions ‘.c’, ‘.cc’ (or ‘.cpp’), ‘.m’, ‘.mm’ (or ‘.M’), ‘.f’ and ‘.f90’ or ‘.f95’, respectively.
A list of compile-relevant settings, or for obtaining information about usage and version of the utility.
R CMD SHLIB can both compile and link files into a
shared object: since it knows what run-time libraries are needed
when passed C++, Fortran and Objective C(++) sources, passing source
R CMD SHLIB is more reliable.
Objective C and Objective C++ support is optional and will work only if the corresponding compilers were available at R configure time: their main usage is on macOS.
Compilation arranges to include the paths to the R public C/C++ headers.
As this compiles code suitable for incorporation into a shared object, it generates PIC code: that might occasionally be undesirable for the main code of an executable program.
This is a
make-based facility, so will not compile a source file
if a newer corresponding ‘.o’ file is present.
Some binary distributions of R have
COMPILE in a separate
bundle, e.g. an
This is not available on Windows.
the section on “Customizing compilation under Unix” in
“R Administration and Installation”
(see the ‘doc/manual’ subdirectory of the R source tree).
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