X-Git-Url: http://git.lttng.org/?p=lttng-ust.git;a=blobdiff_plain;f=configure.ac;fp=configure.ac;h=22d5ee5d6bd782ab8c0a836cfea843b85c89a4bd;hp=511da2e95c8b672efb593824cd684cb139030664;hb=858276a2e832704ad5c461e5db22cfd6c978b87a;hpb=dc58067e5a8b6717acd5c2d9031755aeb67e7cc1

diff --git a/configure.ac b/configure.ac
index 511da2e9..22d5ee5d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -169,6 +169,10 @@ got it
                     [ust_cv_i386_is_x86_64=no])
                     CPPFLAGS="$save_CPPFLAGS"])
     ;;
+    # All symbols must be resolved at link time on Cygwin/MinGW/Windows,
+    # else libtool will not be able to build shared libraries.
+    *-*-cygwin*)
+    LDFLAGS="-Wl,-no-undefined $LDFLAGS";;
 esac
 
 AC_MSG_CHECKING([library format for the host system])