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[or-cvs] r9790: Remove a redundant check for event.h; add some comments, and (in tor/trunk: . doc src/or)



Author: nickm
Date: 2007-03-10 02:38:42 -0500 (Sat, 10 Mar 2007)
New Revision: 9790

Modified:
   tor/trunk/
   tor/trunk/acinclude.m4
   tor/trunk/configure.in
   tor/trunk/doc/TODO
   tor/trunk/src/or/or.h
Log:
 r12519@Kushana:  nickm | 2007-03-10 00:57:01 -0500
 Remove a redundant check for event.h; add some comments, and reformat.



Property changes on: tor/trunk
___________________________________________________________________
 svk:merge ticket from /tor/trunk [r12519] on c95137ef-5f19-0410-b913-86e773d04f59

Modified: tor/trunk/acinclude.m4
===================================================================
--- tor/trunk/acinclude.m4	2007-03-10 06:33:44 UTC (rev 9789)
+++ tor/trunk/acinclude.m4	2007-03-10 07:38:42 UTC (rev 9790)
@@ -4,16 +4,6 @@
 dnl Copyright (c) 2004-2007, Roger Dingledine, Nick Mathewson
 dnl See LICENSE for licensing information
 
-dnl TODO
-dnl  - Stop requiring gethostbyname_r entirely when we're building with
-dnl    eventdns?
-dnl  - Remove redundant event.h check.
-dnl  - Make the "no longe strictly accurate" message accurate.
-dnl  - Tell the user what -dev package to install based on OS.
-dnl  - Detect correct version of library.
-dnl  - After merge:
-dnl     Run autoupdate
-
 AC_DEFUN([TOR_EXTEND_CODEPATH],
 [
   if test -d "$1/lib"; then
@@ -30,8 +20,8 @@
 
 dnl Look for a library, and its associated includes, and how to link
 dnl against it.
-dnl 
-dnl TOR_SEARCH_LIBRARY(1:libname, 2:withlocation, 3:linkargs, 4:headers, 
+dnl
+dnl TOR_SEARCH_LIBRARY(1:libname, 2:withlocation, 3:linkargs, 4:headers,
 dnl                    5:prototype,
 dnl                    6:code, 7:optionname, 8:searchextra)
 
@@ -42,7 +32,7 @@
 AC_CACHE_CHECK([for $1 directory], tor_cv_library_$1_dir, [
   tor_$1_dir_found=no
   tor_$1_any_linkable=no
-  
+
   for tor_trydir in "$2" "(system)" "$prefix" /usr/local /usr/pkg $8; do
     LDFLAGS="$tor_saved_LDFLAGS"
     LIBS="$tor_saved_LIBS $3"
@@ -63,12 +53,14 @@
       TOR_EXTEND_CODEPATH($tor_trydir)
     fi
 
-    # Can we link against (but not necessarily compile) the binary?
+    # Can we link against (but not necessarily run, or find the headers for)
+    # the binary?
     AC_LINK_IFELSE(AC_LANG_PROGRAM([$5], [$6]),
                    [linkable=yes], [linkable=no])
 
     if test $linkable = yes; then
       tor_$1_any_linkable=yes
+      # Okay, we can link against it.  Can we find the headers?
       AC_COMPILE_IFELSE(AC_LANG_PROGRAM([$4], [$6]),
                         [buildable=yes], [buildable=no])
       if test $buildable = yes; then
@@ -132,5 +124,3 @@
 
 ]) dnl end defun
 
-#XXXX Check for right version
-#XXXX accept list of search paths as options

Modified: tor/trunk/configure.in
===================================================================
--- tor/trunk/configure.in	2007-03-10 06:33:44 UTC (rev 9789)
+++ tor/trunk/configure.in	2007-03-10 07:38:42 UTC (rev 9790)
@@ -229,19 +229,6 @@
 
 AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h)
 
-AC_CHECK_HEADERS(event.h, , AC_MSG_ERROR(Libevent header (event.h) not found. Tor requires libevent to build.),
-[#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#else
-  struct timeval {
-    long tv_sec;
-    long tv_usec;
- };
-#endif])
-
 AC_CHECK_HEADERS(zlib.h, , AC_MSG_ERROR(Zlib header (zlib.h) not found. Tor requires zlib to build. You may need to install a zlib development package.))
 
 dnl These headers are not essential

Modified: tor/trunk/doc/TODO
===================================================================
--- tor/trunk/doc/TODO	2007-03-10 06:33:44 UTC (rev 9789)
+++ tor/trunk/doc/TODO	2007-03-10 07:38:42 UTC (rev 9790)
@@ -84,10 +84,11 @@
     - Implement TLS shutdown properly when possible.
     - Maybe move NT services into their own module.
     - Autoconf cleanups and improvements:
-      - Remove redundant event.h check.
+      o Remove redundant event.h check.
+      - Check for zlib with the same machinery as for libevent and openssl.
       - Make the "no longer strictly accurate" message accurate.
       - Tell the user what -dev package to install based on OS.
-      - Detect correct version of library.
+      - Detect correct version of libraries.
       o Run autoupdate
     - Refactor networkstatus generation:
       - Use networkstatus_getinfo_helper_single() as base of

Modified: tor/trunk/src/or/or.h
===================================================================
--- tor/trunk/src/or/or.h	2007-03-10 06:33:44 UTC (rev 9789)
+++ tor/trunk/src/or/or.h	2007-03-10 07:38:42 UTC (rev 9790)
@@ -113,11 +113,7 @@
 #define snprintf _snprintf
 #endif
 
-#ifdef HAVE_EVENT_H
 #include <event.h>
-#else
-#error "Tor requires libevent to build."
-#endif
 
 #include "../common/crypto.h"
 #include "../common/tortls.h"