SQLite

   icu.c
   fts3_icu.c
} {
  copy_file tsrc/$file
}

close $out

# This block overwrites the copy of sqlite3.h in the current directory.
#
# It copies tsrc/sqlite3.h to ./sqlite3.h, adding SQLITE_API in front of the
# API functions and global variables as it goes. 
#
set fd_in [open tsrc/sqlite3.h r]
set fd_out [open sqlite3.h w]
while {![eof $fd_in]} {
  set varpattern {^[a-zA-Z][a-zA-Z_0-9 *]+sqlite3_[_a-zA-Z0-9]+(\[|;| =)}
  set declpattern {^ *[a-zA-Z][a-zA-Z_0-9 ]+ \**sqlite3_[_a-zA-Z0-9]+\(}

  set line [gets $fd_in]
  if {[regexp {define SQLITE_EXTERN extern} $line]} {
    puts $fd_out $line
    puts $fd_out [gets $fd_in]
    puts $fd_out ""
    puts $fd_out "#ifndef SQLITE_API"
    puts $fd_out "# define SQLITE_API"
    puts $fd_out "#endif"
    set line ""
  }

  if {([regexp $varpattern $line] && ![regexp {^ *typedef} $line])
   || ([regexp $declpattern $line])
  } {
    set line "SQLITE_API $line"
  }
  puts $fd_out $line
}
close $fd_out
close $fd_in