[MacPorts] #62678: netcdf 4.8.0: update fails after libstdc++ headers not found

[MacPorts]

#62678: netcdf 4.8.0: update fails after libstdc++ headers not found
---------------------------+----------------------
  Reporter:  thiagoveloso  |      Owner:  tenomoto
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.6.4
Resolution:                |   Keywords:
      Port:  netcdf        |
---------------------------+----------------------

Comment (by thiagoveloso):

 Replying to [comment:2 kencu]:
 > Well I think it is your MacPorts configuration...I'm not sure how you
 would get {{{-stdlib=libstdc++}}} into your CXXFLAGS otherwise:
 > {{{
 > debug:configure CXXFLAGS='-pipe -Os -stdlib=libstdc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk'
 > }}}
 >
 > can you show us the output of this command?:
 > {{{
 > $ diff -u /opt/local/etc/macports/macports.conf.default
 /opt/local/etc/macports/macports.conf
 > }}}

 Thanks for the comment, Ken. I did change a few configs, but certainly
 nothing related to compiler flags:


 {{{
 thiago at vcr-mac:~$ diff -u /opt/local/etc/macports/macports.conf.default
 /opt/local/etc/macports/macports.conf
 --- /opt/local/etc/macports/macports.conf.default       2020-11-14
 08:13:56.000000000 -0300
 +++ /opt/local/etc/macports/macports.conf       2021-02-03
 10:49:40.000000000 -0300
 @@ -1,6 +1,8 @@
  # MacPorts system-wide configuration file.
  # Commented-out values are defaults unless otherwise noted.

 +#macosx_deployment_target 10.16
 +
  # Directory under which MacPorts should install ports. This must be
  # where MacPorts itself is installed.
  prefix                 /opt/local
 @@ -44,7 +46,7 @@
  # - always: Always build from source; never try fetching archives.
  # - never: Never build from source; try fetching archives and abort if
  #   unavailable.
 -#buildfromsource       ifneeded
 +buildfromsource        ifneeded

  # Type of archive to use for port images. Supported types are cpgz,
  # cpio, tar, tbz, tbz2, tgz, tlz, txz, xar, zip.
 @@ -78,7 +80,7 @@

  # Maximum size of files stored in ccache's cache. Append "G", "M", or
  # "K" for gigabytes, megabytes, or kilobytes.
 -#ccache_size           2G
 +ccache_size            500M

  # Use distcc, a distributed compiler for C, C++, Objective-C, and
  # Objective-C++. (See http://distcc.org.) The "distcc" executable must
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/62678#comment:4>
MacPorts <https://www.macports.org/>
Ports system for macOS