configure.in

   1 AC_INIT(starttls.el)
   2 AC_PREREQ(2.50)
   3 AM_INIT_AUTOMAKE(starttls, 0.10)
   4
   5 AC_PROG_CC
   6 AC_ISC_POSIX
   7 AC_PROG_CPP
   8 gl_EARLY
   9
  10 AC_PROG_INSTALL
  11 AC_PROG_MAKE_SET
  12 AC_PROG_RANLIB
  13
  14 AC_CHECK_LIB(socket, socket)
  15
  16 AC_ARG_WITH(openssl, AC_HELP_STRING([--with-openssl=PATH], [use OpenSSL from PATH]))
  17 AC_ARG_WITH(gnutls, AC_HELP_STRING([--with-gnutls], [use GnuTLS instead of OpenSSL]),
  18         use_gnutls=true, use_gnutls=false)
  19 AM_CONDITIONAL(USE_GNUTLS, test x$use_gnutls = xtrue)
  20
  21 if $use_gnutls; then
  22         AC_CHECK_HEADER(gnutls/gnutls.h, [
  23                 AC_DEFINE(USE_GNUTLS)
  24                 AC_CHECK_LIB(gnutls, gnutls_global_init, LIBS="-lgnutls $LIBS")],
  25                 [GnuTLS is selected, but it is not installed])
  26 else
  27         if test -n "$with_openssl"; then
  28                 CPPFLAGS="$CPPFLAGS -I${with_openssl}/include"
  29                 LDFLAGS="$LDFLAGS -L${with_openssl}/lib"
  30         fi
  31         AC_CHECK_HEADER(openssl/ssl.h, [
  32                 AC_CHECK_LIB(crypto, BIO_accept, LIBS="-lcrypto $LIBS")
  33                 AC_CHECK_LIB(ssl, SSL_CTX_new, LIBS="-lssl $LIBS")],
  34                 AC_MSG_ERROR([OpenSSL not installed - please install first]))
  35 fi
  36 gl_INIT
  37
  38 AM_PATH_LISPDIR
  39
  40 AC_CONFIG_FILES(Makefile
  41 lib/Makefile)
  42 AC_OUTPUT