Get rid of warnings about undefined crypt() and assignment in if().
[ircu2.10.12-pk.git] / configure.in
index c466691e97c966886f4dbb120f97c9a3115c59c0..d827312a7c06ffb8e1703d15129ecdf6a18d9d45 100644 (file)
@@ -113,7 +113,7 @@ AC_SEARCH_LIBS(res_mkquery, resolv, ,
 
 dnl Checks for header files.
 AC_HEADER_STDC
-AC_CHECK_HEADERS(poll.h sys/devpoll.h sys/event.h)
+AC_CHECK_HEADERS(crypt.h inttypes.h poll.h sys/devpoll.h sys/epoll.h sys/event.h)
 
 dnl Checks for typedefs, structures, and compiler characteristics
 dnl AC_C_CONST
@@ -125,7 +125,7 @@ AC_TYPE_UID_T
 unet_CHECK_TYPE_SIZES
 
 dnl Checks for library functions.
-AC_CHECK_FUNC(kqueue)
+AC_CHECK_FUNCS([kqueue setrlimit getrusage times])
 
 dnl Do we have restarting syscalls ?
 AC_SYS_RESTARTABLE_SYSCALLS
@@ -246,13 +246,30 @@ if test x"$unet_cv_enable_debug" = xyes; then
     AC_DEFINE([DEBUGMODE], , [Enable debugging code])
 fi
 
-dnl And now for --enable-asserts
+dnl Now look for --enable-leak-detect
+AC_MSG_CHECKING([whether to enable leak detection])
+AC_ARG_WITH([leak-detect],
+[  --with-leak-detect          Turn on the leak detector(requires patched boehm)],
+[unet_cv_with_leak_detect=$with_leak_detect],
+[AC_CACHE_VAL(unet_cv_with_leak_detect,
+[unet_cv_with_leak_detect=no])])
+AC_MSG_RESULT([$unet_cv_enable_leak_detect])
+
+if test x"$unet_cv_with_leak_detect" != xno; then
+    LIBS="-lgc $LIBS"
+    CFLAGS="-DMDEBUG $CFLAGS"
+    if test x"$unet_cv_with_leak_detect" != xyes; then
+       LIBS="-L$unet_cv_with_leak_detect $LIBS"
+    fi
+fi
+
+dnl And now for --disable-asserts
 AC_MSG_CHECKING([whether to enable asserts])
 AC_ARG_ENABLE([asserts],
-[  --enable-asserts        Enable asserts],
+[  --disable-asserts       Disable assertion checking],
 [unet_cv_enable_asserts=$enable_asserts],
 [AC_CACHE_VAL(unet_cv_enable_asserts,
-[unet_cv_enable_asserts=no])])
+[unet_cv_enable_asserts=yes])])
 AC_MSG_RESULT([$unet_cv_enable_asserts])
 
 if test x"$unet_cv_enable_asserts" = xno; then
@@ -327,7 +344,7 @@ fi
 dnl --disable-devpoll check...
 AC_MSG_CHECKING([whether to enable the /dev/poll event engine])
 AC_ARG_ENABLE([devpoll],
-[  --disable-devpoll       Enable the /dev/poll-based engine],
+[  --disable-devpoll       Disable the /dev/poll-based engine],
 [unet_cv_enable_devpoll=$enable_devpoll],
 [AC_CACHE_VAL(unet_cv_enable_devpoll,
 [unet_cv_enable_devpoll=yes])])
@@ -346,7 +363,7 @@ fi
 dnl --disable-kqueue check...
 AC_MSG_CHECKING([whether to enable the kqueue event engine])
 AC_ARG_ENABLE([kqueue],
-[  --disable-kqueue        Enable the kqueue-based engine],
+[  --disable-kqueue        Disable the kqueue-based engine],
 [unet_cv_enable_kqueue=$enable_kqueue],
 [AC_CACHE_VAL(unet_cv_enable_kqueue,
 [unet_cv_enable_kqueue=yes])])
@@ -362,6 +379,60 @@ if test x"$unet_cv_enable_kqueue" != xno; then
     ENGINE_C="engine_kqueue.c $ENGINE_C"
 fi
 
+dnl --disable-epoll check
+AC_MSG_CHECKING([whether to enable the epoll event engine])
+AC_ARG_ENABLE([epoll],
+[  --disable-epoll         Disable the epoll-based engine],
+[unet_cv_enable_epoll=$enable_epoll],
+[AC_CACHE_VAL(unet_cv_enable_epoll,
+[unet_cv_enable_epoll=yes])])
+
+if test x"$ac_cv_header_sys_epoll_h" = xno -o x"$ac_cv_func_epoll" = xno; then
+    unet_cv_enable_epoll=no
+fi
+
+AC_MSG_RESULT([$unet_cv_enable_epoll])
+
+dnl If we have the header and user has not refused epoll, we still need
+dnl to check whether the functions are properly defined.
+if test x"$unet_cv_enable_epoll" != xno; then
+    AC_MSG_CHECKING([whether epoll functions are properly defined])
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <sys/epoll.h>], [epoll_create(10);])],
+        [AC_MSG_RESULT([yes])],
+        [AC_MSG_RESULT([no])
+         AC_DEFINE([EPOLL_NEED_BODY],,[Define to implement epoll system calls])])
+    AC_DEFINE([USE_EPOLL], , [Define to enable the epoll engine])
+    ENGINE_C="engine_epoll.c $ENGINE_C"
+fi
+
+dnl --disable-adns check...
+AC_MSG_CHECKING([whether to enable the adns resolver engine])
+AC_ARG_ENABLE([adns],
+[  --disable-adns          Disable adns resolver],
+[unet_cv_enable_adns=$enable_adns],
+[AC_CACHE_VAL(unet_cv_enable_adns,
+[unet_cv_enable_adns=yes])])
+
+AC_MSG_RESULT([$unet_cv_enable_adns])
+
+if test x"$unet_cv_enable_adns" != xno; then
+    AC_DEFINE([USE_ADNS], , [Define to enable the adns resolver])
+    AC_CONFIG_SUBDIRS([adns])
+    RES_C="res_adns.c"
+    LIBS="../adns/src/libadns.a $LIBS"
+    ADNS_SUBDIR="adns"
+else
+    RES_C="res_libresolv.c"
+    ADNS_SUBDIR=""
+
+    dnl Look for res_mkquery.  Done after AC_LIBRARY_NET in case res_mkquery
+    dnl is in one of those libraries somewhere.
+    AC_SEARCH_LIBS(res_mkquery, resolv, ,
+    [AC_MSG_ERROR([Unable to find library containing res_mkquery()])])
+fi
+AC_SUBST(RES_C)
+AC_SUBST(ADNS_SUBDIR)
+
 dnl --with-symlink lets us set the name of the symlink; defaults to "ircd"
 AC_MSG_CHECKING([what name to give the symlink])
 AC_ARG_WITH([symlink],
@@ -638,6 +709,9 @@ AC_DEFINE_UNQUOTED(LPATH, "$unet_lpath", [Path to debugging log file])
 
 dnl --with-maxcon allows us to set the maximum connections
 unet_maxcon=`ulimit -Hn`
+if test x"$unet_maxcon" = xunlimited; then
+    unet_maxcon=`ulimit -Sn`
+fi
 unet_maxcon=`expr $unet_maxcon - 4`
 AC_MSG_CHECKING([max connections])
 AC_ARG_WITH([maxcon],
@@ -657,3 +731,29 @@ AC_DEFINE_UNQUOTED(MAXCONNECTIONS, $unet_cv_with_maxcon,
 
 dnl Finally really generate all output files:
 AC_OUTPUT(Makefile ircd/Makefile doc/Makefile, [echo timestamp > stamp-h])
+
+dnl Report configuration
+AC_OUTPUT_COMMANDS([echo "
+ircu is now hopefully configured for your system.
+
+  Host system:         $host_os
+  Prefix:              $prefix
+  Asserts:             $unet_cv_enable_asserts
+  Warnings:            $unet_cv_enable_warnings
+  Debug:               $unet_cv_enable_debug
+  Profile:             $unet_cv_enable_profile
+  ADNS:                $unet_cv_enable_adns
+  Owner/mode:          $unet_cv_with_owner.$unet_cv_with_group ($unet_cv_with_mode)
+  Chroot:              $unet_cv_with_chroot
+  
+  Domain:              $unet_cv_with_domain
+  DPath:               $unet_cv_with_dpath
+  CPath:               $unet_cv_with_cpath
+  LPath:               $unet_cv_with_lpath
+  Maximum connections: $unet_cv_with_maxcon
+  
+  poll() engine:       $unet_cv_enable_poll
+  kqueue() engine:     $unet_cv_enable_kqueue
+  /dev/poll engine:    $unet_cv_enable_devpoll
+  epoll() engine:      $unet_cv_enable_epoll
+"])