check libresolv

shadowsocks · Jul 29, 2014 · 6c9bee1 · 6c9bee1
1 parent 46a470e
commit 6c9bee1
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Showing 2 changed files with 3 additions and 4 deletions.
diff --git a/configure.ac b/configure.ac
@@ -13,8 +13,9 @@ AC_PROG_CC
 AC_PROG_INSTALL
 
 # Checks for libraries.
-# FIXME: Replace `main' with a function in `-lresolv':
-AC_CHECK_LIB([resolv], [main])
+AC_CHECK_LIB(resolv, res_query, [],
+    [AC_CHECK_LIB(resolv, __res_query, [],
+        [AC_MSG_ERROR([libresolv not found.])])])
 
 # Checks for header files.
 AC_HEADER_RESOLV

diff --git a/src/Makefile.am b/src/Makefile.am
@@ -1,5 +1,3 @@
 bin_PROGRAMS = chinadns
 
 chinadns_SOURCES = chinadns.c
-
-chinadns_LDADD = -lresolv