[MacPorts] #59480: R @3.5.1_3 +builtin_lapack+cairo+gcc8+recommended+x11: Building issue: Symbol not found: _timespec_get expected in: /usr/lib/libSystem.B.dylib

[MacPorts]

#59480: R @3.5.1_3 +builtin_lapack+cairo+gcc8+recommended+x11: Building issue:
Symbol not found: _timespec_get expected in: /usr/lib/libSystem.B.dylib
-------------------------------------------------+-------------------------
 Reporter:  ceandrade                            |      Owner:  kjellpk
     Type:  defect                               |     Status:  assigned
 Priority:  Normal                               |  Milestone:  MacPorts
                                                 |  2.7.0
Component:  ports                                |    Version:  2.6.2
 Keywords:  R; build; linkage error;             |       Port:  R
  _timespec_get; libSystem.B.dylib               |
-------------------------------------------------+-------------------------
 R 3.5.1 is not building properly on MacPorts 2.6.2:

 {{{
 $ sudo port selfupdate
 --->  Updating MacPorts base sources using rsync
 MacPorts base version 2.6.2 installed,
 MacPorts base version 2.6.2 downloaded.
 --->  Updating the ports tree
 --->  MacPorts base is already the latest version

 $ sudo port clean R
 --->  Cleaning R

 $ sudo port install R
 --->  Computing dependencies for R
 --->  Fetching archive for R
 --->  Attempting to fetch
 R-3.5.1_3+builtin_lapack+cairo+gcc9+recommended+x11.darwin_18.x86_64.tbz2
 from https://packages.macports.org/R
 --->  Attempting to fetch
 R-3.5.1_3+builtin_lapack+cairo+gcc9+recommended+x11.darwin_18.x86_64.tbz2
 from http://aus.us.packages.macports.org/macports/packages/R
 --->  Attempting to fetch
 R-3.5.1_3+builtin_lapack+cairo+gcc9+recommended+x11.darwin_18.x86_64.tbz2
 from http://ywg.ca.packages.macports.org/mirror/macports/packages/R
 --->  Fetching distfiles for R
 --->  Verifying checksums for R
 --->  Extracting R
 --->  Configuring R
 --->  Building R
 Error: Failed to build R: command execution failed
 Error: See
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_R/R/main.log
 for details.
 Error: Follow https://guide.macports.org/#project.tickets to report a bug.
 Error: Processing of port R failed
 }}}

 Xcode: Version 11.0 (11A420a)

 It looks like is an issue during linkage:

 {{{
 :info:build installing 'sysdata.rda'
 :info:build dyld: lazy symbol binding failed: Symbol not found:
 _timespec_get
 :info:build   Referenced from:
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_R/R/work/R-3.5.1/lib/libR.dylib
 :info:build   Expected in: /usr/lib/libSystem.B.dylib
 :info:build dyld: Symbol not found: _timespec_get
 :info:build   Referenced from:
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_R/R/work/R-3.5.1/lib/libR.dylib
 :info:build   Expected in: /usr/lib/libSystem.B.dylib
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/59480>
MacPorts <https://www.macports.org/>
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