SQLite

    }
  }
  msg-result $ts
  define TEMP_STORE $tsn
  unset ts tsn
}

########################################################################
# Attempts to determine whether the given linenoise header file is of
# the "antirez" or "msteveb" flavor. It returns 1 for antirez, 2 for
# msteveb, and 0 if it's neither.
proc sqlite-which-linenoise {dotH} {
  set sourceOrig {
    #include <stdio.h>
    #include <stdlib.h>
    #include <stddef.h>
    /* size_t has to be be in there _somewhere_ */
  }
  append sourceOrig [proj-file-content $dotH]
  set sourceTail {
    int main(void) {
      linenoiseSetCompletionCallback(0 $arg);
      return 0;
    }
  }
  set arg ""
  set source $sourceOrig
  append source [subst $sourceTail]
  if {[cctest -nooutput 1 -source $source]} {
    return 1
  }
  set arg ", 0"
  set source $sourceOrig
  append source [subst $sourceTail]
  if {[cctest -nooutput 1 -source $source]} {
    return 2
  }
  return 0
}

########################################################################
# sqlite-check-line-editing jumps through proverbial hoops to try to
# find a working line-editing library, setting:
#
#   - HAVE_READLINE to 0 or 1
#   - HAVE_LINENOISE to 0, 1, or 2
#   - HAVE_EDITLINE to 0 or 1

    if {![file isdir $dirLn]} {
      proj-fatal "--with-linenoise value is not a directory"
    }
    set lnH $dirLn/linenoise.h
    if {![file exists $lnH] } {
      proj-fatal "Cannot find linenoise.h in $dirLn"
    }
    set flavor ""
    switch -- [sqlite-which-linenoise $lnH] {
      1 {
        set flavor "antirez"
        define HAVE_LINENOISE 1
      }
      2 {
        set flavor "msteveb"
        define HAVE_LINENOISE 2
      }
      default {
        user-error "Cannot determine the flavor of linenoise from $lnH"
      }
    }
    set lnC ""
    set lnCOpts {linenoise-ship.c linenoise.c}
    foreach f $lnCOpts {
      if {[file exists $dirLn/$f]} {
        set lnC $dirLn/$f
        break;
      }
    }
    if {"" eq $lnC} {
      proj-fatal "Cannot find any of $lnCOpts in $dirLn"
    }
    msg-result "Using $flavor linenoise from $dirLn"








    define CFLAGS_READLINE "-I$dirLn $lnC"

    sqlite-add-shell-opt -DHAVE_LINENOISE=[get-define HAVE_LINENOISE]
    return "linenoise ($flavor)"
  } elseif {[opt-bool editline]} {
    # libedit mimics libreadline and on some systems does not have its
    # own header installed (instead, that of libreadline is used).
    #
    # shell.c historically expects HAVE_EDITLINE to be set for
    # libedit, but it then expects to see <editline/readline.h>, which

  if {![proj-is-cross-compiling]
     && "nope" eq [get-env CC_FOR_BUILD "nope"]
     && [get-define CC] ne [get-define CC_FOR_BUILD]} {
    user-notice "Re-defining CC_FOR_BUILD to CC=[get-define CC]. To avoid this, explicitly pass CC_FOR_BUILD=..."
    define CC_FOR_BUILD [get-define CC]
  }
}