don't forget to define HAVE_BACKTRACE

[sliver-openvswitch.git] / m4 / openvswitch.m4

diff --git a/m4/openvswitch.m4 b/m4/openvswitch.m4
index 7469011..12c02c0 100644 (file)
--- a/m4/openvswitch.m4
+++ b/m4/openvswitch.m4
@@ -99,8 +99,7 @@ AC_DEFUN([OVS_CHECK_OPENSSL],
      [ssl=check])
 
    if test "$ssl" != false; then
-       m4_ifndef([PKG_CHECK_MODULES], [m4_fatal([Please install pkg-config.])])
-       PKG_CHECK_MODULES([SSL], [openssl],
+       AX_CHECK_OPENSSL(
          [HAVE_OPENSSL=yes],
          [HAVE_OPENSSL=no
           if test "$ssl" = check; then
@@ -168,10 +167,11 @@ AC_DEFUN([OVS_CHECK_DBDIR],
      [DBDIR='${sysconfdir}/${PACKAGE}'])
    AC_SUBST([DBDIR])])
 
-dnl Defines HAVE_BACKTRACE if backtrace() is declared in <execinfo.h>
-dnl and exists in libc.
+dnl Defines HAVE_BACKTRACE if backtrace() is found.
 AC_DEFUN([OVS_CHECK_BACKTRACE],
-  [AC_CHECK_HEADER([execinfo.h], [AC_CHECK_FUNCS([backtrace])])])
+  [AC_SEARCH_LIBS([backtrace], [execinfo ubacktrace],
+                  [AC_DEFINE([HAVE_BACKTRACE], [1],
+                             [Define to 1 if you have backtrace(3).])])])
 
 dnl Checks for __malloc_hook, etc., supported by glibc.
 AC_DEFUN([OVS_CHECK_MALLOC_HOOKS],
@@ -390,23 +390,3 @@ AC_DEFUN([OVS_CHECK_GROFF],
        ovs_cv_groff=no
      fi])
    AM_CONDITIONAL([HAVE_GROFF], [test "$ovs_cv_groff" = yes])])
-
-dnl Checks for --disable-brcompat and undefines BUILD_BRCOMPAT if it is specified.
-AC_DEFUN([OVS_CHECK_BRCOMPAT],
-  [AC_ARG_ENABLE(
-     [brcompat],
-     [AC_HELP_STRING([--disable-brcompat],
-                     [Disable building brcompat])],
-     [case "${enableval}" in
-        (yes) brcompat=true ;;
-        (no)  brcompat=false ;;
-        (*) AC_MSG_ERROR([bad value ${enableval} for --enable-brcompat]) ;;
-      esac],
-     [brcompat=true])
-   if test x$brcompat = xtrue; then
-      BUILD_BRCOMPAT=yes
-   else
-      BUILD_BRCOMPAT=""
-   fi
-   AC_SUBST([BUILD_BRCOMPAT])
-   AM_CONDITIONAL([BUILD_BRCOMPAT], [test x$brcompat = xtrue])])