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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| #' Overwrite rpath of linked shared library in osx | ||
| #' | ||
| #' Overwrite rpath of linked shared library | ||
| #' (e.g. \code{JuniperKernel/libs/JuniperKernel.so} | ||
| #' in osx only. | ||
| #' Typically, it is called by \code{.onLoad()} to update rpath if | ||
| #' \code{pbdZMQ} or \code{pbdZMQ/libs/libzmq.*.dylib} was moved to | ||
| #' a personal directory | ||
| #' (e.g. the binary package was installed to a none default path). | ||
| #' The commands \code{otool} and \code{install_name_tool} are required. | ||
| #' Permission may be needed (e.g. \code{sudo}) to overwrite the shared | ||
| #' library. | ||
| #' | ||
| #' @param mylib | ||
| #' the path where \code{mypkg} was installed (default \code{NULL} that will | ||
| #' search from R's path) | ||
| #' @param mypkg | ||
| #' the package for where \code{mypkg.so} will be checked or updated | ||
| #' @param linkingto | ||
| #' the package for where \code{libshpkg*.dylib} is located | ||
| #' @param shlib | ||
| #' name of shlib to be searched for | ||
| #' | ||
| #' @author Wei-Chen Chen \email{wccsnow@@gmail.com}. | ||
| #' | ||
| #' Programming with Big Data in R Website: \url{http://r-pbd.org/} | ||
| #' | ||
| #' @examples | ||
| #' \dontrun{ | ||
| #' ### Called by .onLoad() within "JuniperKernel/R/zzz.R" | ||
| #' overwrite.shpkg.rpath(mypkg = "JuniperKernel", | ||
| #' linkingto = "pbdZMQ", | ||
| #' shlib = "zmq") | ||
| #' } | ||
| #' | ||
| #' @keywords compile | ||
| #' @rdname zz_overwrite_shpkg | ||
| #' @name Overwrite shpkg | ||
| NULL | ||
|
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||
|
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| #' @rdname zz_overwrite_shpkg | ||
| #' @export | ||
| overwrite.shpkg.rpath <- function(mylib = NULL, | ||
| mypkg = "JuniperKernel", linkingto = "pbdZMQ", shlib = "zmq"){ | ||
| if(Sys.info()[['sysname']] == "Darwin"){ | ||
| cmd.ot <- system("which otool", intern = TRUE) | ||
|
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||
| ### Find mylib if NULL. | ||
| if(is.null(mylib)){ | ||
| mylib <- tools::file_path_as_absolute(system.file(package = mypkg)) | ||
| } | ||
|
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||
| ### Get rpath from mypkg's shared library. | ||
| fn.so <- paste(mylib, "/", mypkg, "/libs/", mypkg, ".so", sep = "") | ||
| rpath <- system(paste(cmd.ot, " -L ", fn.so, sep = ""), intern = TRUE) | ||
|
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||
| ### Get the installed dylib from mypkg's rpath. | ||
| ptn1 <- paste("^\\t(.*/", linkingto, "/libs/lib", shlib, ".*\\.dylib) .*$", | ||
| sep = "") | ||
| i.rpath <- grep(ptn1, rpath) | ||
|
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| ### 0 means external shlib was linked. | ||
| ### 1 means internal shlib was built. | ||
| if(length(i.rpath) == 1){ | ||
| fn.dylib <- gsub(ptn1, "\\1", rpath[i.rpath]) | ||
|
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| ### Check if the file were moved to somewhere. | ||
| if(!file.exists(fn.dylib)){ | ||
| ### Search the new location from R's library path. | ||
| dn <- tools::file_path_as_absolute( | ||
| system.file("./libs", package = linkingto)) | ||
| ptn2 <- paste("lib", shlib, ".*\\.dylib", sep = "") | ||
| fn <- list.files(path = dn, pattern = ptn2) | ||
|
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| ### Install the new location to the mypkg's shared library. | ||
| if(length(fn) == 1){ | ||
| cmd.int <- system("which install_name_tool", intern = TRUE) | ||
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| new.fn.dylib <- paste(dn, "/", fn, sep = "") | ||
| cmd <- paste(cmd.int, " -change ", fn.dylib, " ", new.fn.dylib, | ||
| " ", fn.so, | ||
| sep = "") | ||
| system(cmd) | ||
| } else{ | ||
| stop("The internal shlib can not be identified in linkingto.") | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| return(invisible()) | ||
| } # End of overwrite.shpkg(). |
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