[OE-core] [PATCH] tcl: prevent installing another copy of tzdata

[Martin Jansa]

It checks build host filesystem and if it doesn't find UTC or GMT
files it installs another copy of tzdata files in:
/usr/lib/tcl8.6/tzdata

Buildhistory shows the difference:
-PKGSIZE = 2227075
+PKGSIZE = 3433088

See the autodetection in configure.in:
  #------------------------------------------------------------------------
  #       Check whether the timezone data is supplied by the OS or has
  #       to be installed by Tcl. The default is autodetection, but can
  #       be overridden on the configure command line either way.
  #------------------------------------------------------------------------

  AC_MSG_CHECKING([for timezone data])
  AC_ARG_WITH(tzdata,
      AC_HELP_STRING([--with-tzdata],
          [install timezone data (default: autodetect)]),
      [tcl_ok=$withval], [tcl_ok=auto])

  #
  # Any directories that get added here must also be added to the
  # search path in ::tcl::clock::Initialize (library/clock.tcl).
  #
  case $tcl_ok in
      no)
          AC_MSG_RESULT([supplied by OS vendor])
      ;;
      yes)
          # nothing to do here
      ;;
      auto*)
          AC_CACHE_VAL([tcl_cv_dir_zoneinfo], [
          for dir in /usr/share/zoneinfo \
                  /usr/share/lib/zoneinfo \
                  /usr/lib/zoneinfo
          do
                  if test -f $dir/UTC -o -f $dir/GMT
                  then
                          tcl_cv_dir_zoneinfo="$dir"
                          break
                  fi
          done])
          if test -n "$tcl_cv_dir_zoneinfo"; then
              tcl_ok=no
              AC_MSG_RESULT([$dir])
          else
              tcl_ok=yes
          fi
      ;;
      *)
          AC_MSG_ERROR([invalid argument: $tcl_ok])
      ;;
  esac
  if test $tcl_ok = yes
  then
      AC_MSG_RESULT([supplied by Tcl])
      INSTALL_TZDATA=install-tzdata
  fi

Signed-off-by: Martin Jansa <martin.ja...@gmail.com>
---
 meta/recipes-devtools/tcltk/tcl_8.6.13.bb | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/meta/recipes-devtools/tcltk/tcl_8.6.13.bb 
b/meta/recipes-devtools/tcltk/tcl_8.6.13.bb
index 91fc81352e..9eb924b0da 100644
--- a/meta/recipes-devtools/tcltk/tcl_8.6.13.bb
+++ b/meta/recipes-devtools/tcltk/tcl_8.6.13.bb
@@ -41,6 +41,12 @@ inherit autotools ptest binconfig
 AUTOTOOLS_SCRIPT_PATH = "${S}/unix"
 EXTRA_OECONF = "--enable-threads --disable-rpath --enable-man-suffix"
 
+# Prevent installing copy of tzdata based on tzdata installation on the build 
host
+# It doesn't install tzdata if one of the following files exist on the host:
+# /usr/share/zoneinfo/UTC /usr/share/zoneinfo/GMT /usr/share/lib/zoneinfo/UTC 
/usr/share/lib/zoneinfo/GMT /usr/lib/zoneinfo/UTC /usr/lib/zoneinfo/GMT
+# otherwise "/usr/lib/tcl8.6/tzdata" is included in tcl package
+EXTRA_OECONF += "--with-tzdata=no"
+
 do_install() {
        autotools_do_install
        oe_runmake 'DESTDIR=${D}' install-private-headers
-- 
2.41.0


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