git.tinc-vpn.org Git - tinc/blob - m4/readline.m4

   1 dnl Check to find the readline headers/libraries
   2
   3 AC_DEFUN([tinc_READLINE],
   4 [
   5   AC_ARG_ENABLE([readline],
   6     AS_HELP_STRING([--disable-readline], [disable readline support]))
   7   AS_IF([test "x$enable_readline" != "xno"], [
   8   AC_DEFINE(HAVE_READLINE, 1, [have readline support])
   9     readline=true
  10     AC_ARG_WITH(readline,
  11       AS_HELP_STRING([--with-readline=DIR], [readline base directory, or:]),
  12       [readline="$withval"
  13        CPPFLAGS="$CPPFLAGS -I$withval/include"
  14        LDFLAGS="$LDFLAGS -L$withval/lib"]
  15     )
  16
  17     AC_ARG_WITH(readline-include,
  18       AS_HELP_STRING([--with-readline-include=DIR], [readline headers directory]),
  19       [readline_include="$withval"
  20        CPPFLAGS="$CPPFLAGS -I$withval"]
  21     )
  22
  23     AC_ARG_WITH(readline-lib,
  24       AS_HELP_STRING([--with-readline-lib=DIR], [readline library directory]),
  25       [readline_lib="$withval"
  26        LDFLAGS="$LDFLAGS -L$withval"]
  27     )
  28
  29     AC_CHECK_HEADERS([readline/readline.h readline/history.h],
  30       [],
  31       [AC_MSG_ERROR("readline header files not found."); break]
  32     )
  33
  34     AC_CHECK_LIB(readline, readline,
  35       [READLINE_LIBS="-lreadline"],
  36       [AC_MSG_ERROR("readline library not found.")]
  37     )
  38   ])
  39
  40   AC_SUBST(READLINE_LIBS)
  41 ])