🚀 go-pugleaf

GDB 4.7 installation fails when running ``munch'' on Solaris 2.1
when GNU egrep is installed and before /usr/bin/egrep in $PATH.
(Symptom: gdb/init.c won't compile)

GNU egrep parses the regexp '|__?initialize_' as
<empty> or __?initialize. System V egrep has the behaviour
expected by the writer of the gdb/munch script. (I.e.,
the regexp \|__?initialize_').

Fix  (works with both egreps, add \ before |):

*** gdb/munch-dist	Tue Dec 29 13:39:00 1992
--- gdb/munch	Tue Dec 29 13:39:43 1992
***************
*** 18,24 ****
  MUNCH_NM="${MUNCH_NM-nm} $NMOPT"
  if test "`$MUNCH_NM main.o | egrep main | egrep FUNC | egrep GLOB`" != "" ; then
      # System V Release 4 style nm
!     $MUNCH_NM $* | egrep '|__?initialize_' | egrep FUNC | \
        sed -e \
          's/^.*\(_initialize_[a-zA-Z0-9_]*\).*$/  {extern void \1 (); \1 ();}/'\
        | sort -u
--- 18,24 ----
  MUNCH_NM="${MUNCH_NM-nm} $NMOPT"
  if test "`$MUNCH_NM main.o | egrep main | egrep FUNC | egrep GLOB`" != "" ; then
      # System V Release 4 style nm
!     $MUNCH_NM $* | egrep '\|__?initialize_' | egrep FUNC | \
        sed -e \
          's/^.*\(_initialize_[a-zA-Z0-9_]*\).*$/  {extern void \1 (); \1 ();}/'\
        | sort -u



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