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A general description is here.
‘R_ReplDLLdo1()’ did not call top-level handlers.
The Quartz device was unable to detect window sessions on Mac OS X 10.7 (Lion) and higher and thus it was not used as the default device on the console. Since Lion any application can use window sessions, so Quartz will now be the default device if user's window session is active and R is not run via ssh which is at least close to the behavior in prior OS X versions.
‘bitmap()’ and ‘dev2bitmap()’ look for ‘gswin64c.exe’ (as used by
64-bit GhostScript), in preference to ‘gswin32c.exe’.
The sources (and packages) can now be compiled using the multilib
toolchain developed for R 2.15.x: see the ‘MULTI’ macro in
‘MkRules.dist’. This toolchain is used for the CRAN binary
distribution.
The preferred toolchain has changed since the one used for R 2.12.0 to
2.14.1: see the‘R Installation and Administration manual’. Compiled
code (except DLLs) may be incompatible with previous toolchains (and
compiled C++ code almost certainly will be: users of ‘Rcpp’ take care).
Ensure that the settings in ‘MkRules.local’ are appropriate to the toolchain you use.
There is a new macro (aka make variable) ‘SHLIB_PTHREAD_FLAGS’. This
is set to ‘-pthread’ on builds using toolchains which support it, and
should be included in both ‘PKG_CPPFLAGS’ (or the Fortran or F9x
equivalents) and ‘PKG_LIBS’.
Using a prompt of more than 80 characters in ‘readline()’ could cause a
buffer overflow in Rterm. (Reported by Henrik Bengtsson.)
‘bitmap()’ and ‘dev2bitmap()’ look for ‘gswin64c.exe’ (as used by 64-bit GhostScript), in preference to ‘gswin32c.exe’.
The sources (and packages) can now be compiled using the multilib toolchain developed for R 2.15.x: see the ‘MULTI’ macro in ‘MkRules.dist’. This toolchain is used for the CRAN binary distribution.
The preferred toolchain has changed since the one used for R 2.12.0 to 2.14.1: see the‘R Installation and Administration manual’. Compiled code (except DLLs) may be incompatible with previous toolchains (and compiled C++ code almost certainly will be: users of ‘Rcpp’ take care).
Ensure that the settings in ‘MkRules.local’ are appropriate to the toolchain you use.
There is a new macro (aka make variable) ‘SHLIB_PTHREAD_FLAGS’. This is set to ‘-pthread’ on builds using toolchains which support it, and should be included in both ‘PKG_CPPFLAGS’ (or the Fortran or F9x equivalents) and ‘PKG_LIBS’.
Using a prompt of more than 80 characters in ‘readline()’ could cause a buffer overflow in Rterm. (Reported by Henrik Bengtsson.)
Some of the custom messages in the installer were corrupted: add a BOM mark to the file as now required by Unicode Inno Setup. (PR#14816)