build system: use AC_SEARCH_LIBS rather than assuming -ldl is needed.

On a number of operating systems, such as the *BSD, the dlopen() function
is present in the standard C library, not in a separate libdl library.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/configure.ac b/configure.ac
index a415f3fe4228a275a4ff0d4e2c144e506da2116d..bc2bb3a3f53e04352788c2a7eefd767df1b5e6af 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -23,9 +23,7 @@ PKG_CHECK_MODULES(LIBPCRE, libpcre)
 PKG_CHECK_MODULES([LIBCURL], [libcurl])
 PKG_CHECK_MODULES([XML], [libxml-2.0])
 
 PKG_CHECK_MODULES([LIBCURL], [libcurl])
 PKG_CHECK_MODULES([XML], [libxml-2.0])
 

-# explicitly link DSOs
-LIBS="$LIBS -ldl"
-
+AC_SEARCH_LIBS([dlopen], [dl])

 
 dnl Checks for header files.
 #AC_CHECK_HEADERS([fcntl.h stddef.h stdlib.h string.h unistd.h])
 
 dnl Checks for header files.
 #AC_CHECK_HEADERS([fcntl.h stddef.h stdlib.h string.h unistd.h])