added gnutls backend and moved backend code into new files

[ircu2.10.12-pk.git] / configure.in

diff --git a/configure.in b/configure.in
index cbcc5fef84be5cee5a4f9ce76b1823e9cc1b3530..fd1a4102f065306d3078efdbbc568dcbdc24d786 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -74,10 +74,35 @@ AC_HEADER_TIME
 AC_STRUCT_TM
 AC_TYPE_UID_T
 unet_CHECK_TYPE_SIZES
-AC_CHECK_TYPE(socklen_t, unsigned int)
 AC_CHECK_TYPE(struct sockaddr_in6, [unet_have_sockaddr_in6="yes"], [unet_have_sockaddr_in6="no"], [#include <sys/types.h>
 #include <netinet/in.h>])
 
+dnl Check for socklen_t.  In traditional BSD this is an int, but some
+dnl OSes use a different type.  Test until we find something that will
+dnl work properly.  Test borrowed from a patch submitted for Python.
+AC_CHECK_TYPE([socklen_t], ,[
+  AC_MSG_CHECKING([for socklen_t equivalent])
+  AC_CACHE_VAL([curl_cv_socklen_t_equiv],
+  [
+dnl Systems have either "struct sockaddr*" or "void*" as second
+dnl arg to getpeername.
+    curl_cv_socklen_t_equiv=
+    for arg2 in "struct sockaddr" void ; do
+      for t in int size_t unsigned long "unsigned long" ; do
+        AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/socket.h>
+int getpeername (int $arg2 *, $t *);],[$t len;
+  getpeername(0, 0, &len);], [curl_cv_socklen_t_equiv="$t"
+  break])
+      done
+    done
+  ])
+  AC_MSG_RESULT($curl_cv_socklen_t_equiv)
+  AC_DEFINE_UNQUOTED(socklen_t, $curl_cv_socklen_t_equiv,
+      [type to use in place of socklen_t if not defined])],
+  [#include <sys/types.h>
+#include<sys/socket.h>])
+
 dnl Checks for library functions.
 AC_CHECK_FUNCS([kqueue setrlimit getrusage times])
 
@@ -107,14 +132,6 @@ else
   AC_MSG_ERROR([Cannot use $LEX as flex.])
 fi
 
-if test -z "$LEXLIB" ; then
-  AC_MSG_FAILURE([Cannot find a library with yywrap() in, but flex was found.
-  It's possible the compiler you're using ($CC) is incompatible with the
-  installed library.])
-fi
-
-LIBS="$LEXLIB $LIBS"
-
 dnl YACC - ditto
 AC_PROG_YACC
 dnl The autoconf docs say $YACC defaults to 'yacc'.  This seems to be true,
@@ -146,6 +163,7 @@ case "$host" in
        else
            unet_poll_syscall=no
        fi
+        AC_DEFINE([IRCU_SOLARIS], 1, [Define if building on Solaris])
        ;;
 
     *-sunos*)
@@ -684,7 +702,12 @@ AC_ARG_WITH([maxcon],
 [unet_cv_with_maxcon=$unet_maxcon])])
 
 if test x"$unet_cv_with_maxcon" = xyes -o x"$unet_cv_with_maxcon" = xno; then
+    if test "$unet_maxcon" -lt 32; then
+      AC_MSG_ERROR([Maximum connections (number of open files minus 4) must be at least 32.])
+    fi
     unet_cv_with_maxcon=$unet_maxcon
+elif test "$unet_cv_with_maxcon" -lt 32; then
+    AC_MSG_ERROR([Maximum connections (--with-maxcon) must be at least 32.])
 fi
 
 AC_MSG_RESULT([$unet_cv_with_maxcon])
@@ -692,8 +715,55 @@ AC_MSG_RESULT([$unet_cv_with_maxcon])
 AC_DEFINE_UNQUOTED(MAXCONNECTIONS, $unet_cv_with_maxcon,
 [Maximum number of network connections])
 
+unet_cv_enable_gnutls="no"
+unet_cv_enable_openssl="yes"
+
+AC_MSG_CHECKING([for GnuTLS])
+AC_ARG_ENABLE([gnutls],
+  [  --enable-gnutls          Enables GnuTLS ssl backend.],
+  [unet_cv_enable_gnutls=$enable_gnutls],
+)
+AC_MSG_RESULT([$unet_cv_enable_gnutls])
+
+AC_MSG_CHECKING([for OpenSSL])
+AC_ARG_ENABLE([openssl],
+  [  --enable-openssl          Enables OpenSSL ssl backend.],
+  [unet_cv_enable_openssl=$enable_openssl],
+)
+AC_MSG_RESULT([$unet_cv_enable_openssl])
+
+if test x"$unet_cv_enable_gnutls" = xyes; then
+  unet_cv_enable_gnutls="no";
+  AC_CHECK_LIB(gnutls, gnutls_init, [
+    AC_CHECK_HEADERS(gnutls/gnutls.h, [
+      unet_cv_enable_gnutls="yes";
+    ])
+  ])
+fi
+
+if test x"$unet_cv_enable_openssl" = xyes; then
+  unet_cv_enable_openssl="no";
+  AC_CHECK_LIB(ssl, SSL_read, [
+    AC_CHECK_LIB(crypto, X509_new, [
+      AC_CHECK_HEADERS(openssl/ssl.h openssl/err.h, [
+        unet_cv_enable_openssl="yes";
+      ])
+    ])
+  ])
+fi
+
+if test x"$unet_cv_enable_gnutls" = xyes; then
+    LIBS="$LIBS -lgnutls"
+    AC_DEFINE([HAVE_GNUTLS], 1, [Define if you are using GnuTLS])
+fi
+
+if test x"$unet_cv_enable_openssl" = xyes ; then
+    LIBS="$LIBS -lssl -lcrypto"
+    AC_DEFINE([HAVE_OPENSSL], 1, [Define if you are using OpenSSL])
+fi
+
 dnl Finally really generate all output files:
-AC_OUTPUT(Makefile ircd/Makefile ircd/test/Makefile doc/Makefile, [echo timestamp > stamp-h])
+AC_OUTPUT(Makefile ircd/Makefile ircd/test/Makefile, [echo timestamp > stamp-h])
 
 dnl Report configuration
 AC_OUTPUT_COMMANDS([echo "
@@ -707,6 +777,8 @@ ircu is now hopefully configured for your system.
   Profile:             $unet_cv_enable_profile
   Owner/mode:          $unet_cv_with_owner.$unet_cv_with_group ($unet_cv_with_mode)
   Chroot:              $unet_cv_with_chroot
+  OpenSSL:             $unet_cv_enable_openssl
+  GnuTLS:              $unet_cv_enable_gnutls
 
   Domain:              $unet_cv_with_domain
   DPath:               $unet_cv_with_dpath