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#' Compiler arguments for using Rhdf5lib
#'
#' This function returns values for \code{PKG_LIBS} variables for use in
#' Makevars files.
#'
#' @param opt A scalar character from the list of available options;
#' default is \code{PKG_CXX_LIBS}. Valid options are \code{PKG_C_LIBS},
#' \code{PKG_CXX_LIBS}, \code{PKG_C_HL_LIBS} and \code{PKG_CXX_HL_LIBS}, where
#' \code{HL} indicates that you want to include the HDF5 'high-level' API and
#' \code{CXX} denotes including the C++ interface.
#' @return \code{NULL}; prints the corresponding value to stdout.
#' @examples
#' pkgconfig("PKG_C_LIBS")
#' pkgconfig("PKG_CXX_LIBS")
#' pkgconfig("PKG_C_HL_LIBS")
#' pkgconfig("PKG_CXX_HL_LIBS")
#' @export
#' @rawNamespace if(tools:::.OStype() == "windows") { importFrom(utils, shortPathName) }
pkgconfig <- function(opt = c("PKG_CXX_LIBS", "PKG_C_LIBS", "PKG_CXX_HL_LIBS", "PKG_C_HL_LIBS")) {
path <- Sys.getenv(
x = "RHDF5LIB_RPATH",
unset = system.file("lib", package="Rhdf5lib", mustWork=TRUE)
)
if (nzchar(.Platform$r_arch)) {
arch <- sprintf("/%s", .Platform$r_arch)
} else {
arch <- ""
}
patharch <- paste0(path, arch)
result <- switch(match.arg(opt),
PKG_C_LIBS = {
switch(Sys.info()['sysname'],
Windows = {
patharch <- gsub(x = utils::shortPathName(patharch),
pattern = "\\",
replacement = "/",
fixed = TRUE)
sprintf('-L%s -lhdf5 -lcurl -lssh2 -lssl -lcrypto -lwldap32 -lws2_32 -lcrypt32 -lszip -lz -lpsapi',
patharch)
}, {
sprintf('"%s/libhdf5.a" "%s/libsz.a" %s',
patharch, patharch, .getDynamicLinks())
}
)
},
PKG_CXX_LIBS = {
switch(Sys.info()['sysname'],
Windows = {
## for some reason double quotes aren't always sufficient
## so we use the 8+3 form of the path
patharch <- gsub(x = utils::shortPathName(patharch),
pattern = "\\",
replacement = "/",
fixed = TRUE)
sprintf('-L%s -lhdf5_cpp -lhdf5 -lcurl -lssh2 -lssl -lcrypto -lwldap32 -lws2_32 -lcrypt32 -lszip -lz -lpsapi',
patharch)
}, {
sprintf('"%s/libhdf5_cpp.a" "%s/libhdf5.a" "%s/libsz.a" %s',
patharch, patharch, patharch, .getDynamicLinks())
}
)
},
PKG_C_HL_LIBS = {
switch(Sys.info()['sysname'],
Windows = {
patharch <- gsub(x = shortPathName(patharch),
pattern = "\\",
replacement = "/",
fixed = TRUE)
sprintf('-L%s -lhdf5_hl -lhdf5 -lcurl -lssh2 -lssl -lcrypto -lwldap32 -lws2_32 -lcrypt32 -lwldap32 -lws2_32 -lcrypt32 -lszip -lz -lpsapi',
patharch)
}, {
sprintf('"%s/libhdf5_hl.a" "%s/libhdf5.a" "%s/libsz.a" %s',
patharch, patharch, patharch, .getDynamicLinks())
}
)
},
PKG_CXX_HL_LIBS = {
switch(Sys.info()['sysname'],
Windows = {
## for some reason double quotes aren't always sufficient
## so we use the 8+3 form of the path
patharch <- gsub(x = shortPathName(patharch),
pattern = "\\",
replacement = "/",
fixed = TRUE)
sprintf('-L%s -lhdf5_hl_cpp -lhdf5_hl -lhdf5_cpp -lhdf5 -lcrypto -lcurl -lszip -lz -lpsapi',
patharch)
}, {
sprintf('"%s/libhdf5_hl_cpp.a" "%s/libhdf5_hl.a" "%s/libhdf5_cpp.a" "%s/libhdf5.a" "%s/libsz.a" %s',
patharch, patharch, patharch, patharch, patharch, .getDynamicLinks())
}
)
}
)
cat(result)
}
#' Report the version of HDF5 distributed with this package
#'
#' This function returns the version number of the HDF5 library that is
#' distributed with this package.
#'
#' @return Returns a \code{character} vector of length 1 containing the version
#' number.
#'
#' @examples
#' getHdf5Version()
#' @export
getHdf5Version <- function() {
cReturn <- .Call("Rhdf5lib_hdf5_libversion",
PACKAGE = "Rhdf5lib")
versionNum <- paste(cReturn, collapse = ".")
return(versionNum)
}
#' Determine whether libcurl and libcrypto were found during package
#' installation
#'
#' @keywords internal
.curlStatus <- function() {
settings_file <- system.file('include', 'libhdf5.settings', package = "Rhdf5lib")
libhdf5_settings <- readLines(settings_file)
line <- grep("Extra libraries", x = libhdf5_settings)
return(grepl(pattern = "-lcurl", x = libhdf5_settings[line]))
}
.getDynamicLinks <- function() {
if(isTRUE(.curlStatus())) {
links <- "-lcrypto -lcurl -lz"
} else {
links <- "-lz"
}
return(links)
}
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