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 <[email protected]>
sunng87 · Aug 31, 2010 · 7fe9c95 · 7fe9c95
1 parent a120a11
commit 7fe9c95
Showing 1 changed file with 1 addition and 3 deletions.
diff --git 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])
 
-# 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])