system_r_platform() returns a character scalar.
system_r_platform_data() returns a data frame with character
distribution(only on Linux),
release(only on Linux),
platform: the concatenation of the other columns, separated by a dash.
system_r_platform() detects the platform of the current R version.
system_r_platform_data() is similar, but returns the raw data instead
of a character scalar.
By default pak works with source packages and binary packages for
the current platform. You can change this, by providing different
platform names in the
pkg.platforms option or the
PKG_PLATFORMS environment variable.
This option may contain the following platform names:
"source"for source packages,
"macos"for macOS binaries that are appropriate for the R versions pak is working with. Packages for incompatible CPU architectures are dropped (defaulting to the CPU of the current macOS machine and x86_64 on non-macOS systems). The macOS Darwin version is selected based on the CRAN macOS binaries. E.g. on R 3.5.0 macOS binaries are built for macOS El Capitan.
"windows"for Windows binaries for the default CRAN architecture. This is currently Windows Vista for all supported R versions, but it might change in the future. The actual binary packages in the repository might support both 32 bit and 64 builds, or only one of them. In practice 32-bit only packages are very rare. CRAN builds before and including R 4.1 have both architectures, from R 4.2 they are 64 bit only.
"windows"is an alias to
A platform string like
R.version$platform, but on Linux the name and version of the distribution are also included. Examples:
x86_64-apple-darwin17.0: macOS High Sierra.
aarch64-apple-darwin20: macOS Big Sur on arm64.
x86_64-w64-mingw32: 64 bit Windows.
i386-w64-mingw32: 32 bit Windows.
i386+x86_64-w64-mingw32: 64 bit + 32 bit Windows.
i386-pc-solaris2.10: 32 bit Solaris. (Some broken 64 Solaris builds might have the same platform string, unfortunately.)
x86_64-pc-linux-gnu-debian-10: Debian Linux 10 on x86_64.
x86_64-pc-linux-musl-alpine-3.14.1: Alpine Linux.
x86_64-pc-linux-gnu-unknown: Unknown Linux Distribution on x86_64.
s390x-ibm-linux-gnu-ubuntu-20.04: Ubuntu Linux 20.04 on S390x.
amd64-portbld-freebsd12.1: FreeBSD 12.1 on x86_64.
These function call