diff -ru gsl-1.9/cblas/Makefile.am gsl-1.9-mingw/cblas/Makefile.am
--- gsl-1.9/cblas/Makefile.am	2004-09-11 14:45:09.000000000 +0100
+++ gsl-1.9-mingw/cblas/Makefile.am	2007-07-08 00:05:00.000000000 +0100
@@ -1,6 +1,11 @@
 lib_LTLIBRARIES = libgslcblas.la
 libgslcblas_la_LDFLAGS = -version-info $(GSL_LT_CBLAS_VERSION)
 
+MINGW32_HOST = @MINGW32_HOST@
+if MINGW32_HOST
+libgslcblas_la_LDFLAGS += -no-undefined
+endif
+
 pkginclude_HEADERS = gsl_cblas.h
 
 INCLUDES= -I$(top_srcdir)
diff -ru gsl-1.9/configure.ac gsl-1.9-mingw/configure.ac
--- gsl-1.9/configure.ac	2007-02-20 13:08:16.000000000 +0000
+++ gsl-1.9-mingw/configure.ac	2007-07-08 00:04:38.000000000 +0100
@@ -89,6 +89,14 @@
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 
+case "$host_os" in
+     *mingw*)
+	MINGW=true
+	;;
+esac
+
+AM_CONDITIONAL(MINGW32_HOST, test "$MINGW" = "true")
+
 dnl Checks for library functions.
 
 dnl AC_FUNC_ALLOCA
diff -ru gsl-1.9/Makefile.am gsl-1.9-mingw/Makefile.am
--- gsl-1.9/Makefile.am	2006-11-02 17:50:01.000000000 +0000
+++ gsl-1.9-mingw/Makefile.am	2007-07-08 00:04:45.000000000 +0100
@@ -21,6 +21,12 @@
 libgsl_la_LDFLAGS = -version-info $(GSL_LT_VERSION)
 noinst_HEADERS = templates_on.h templates_off.h
 
+MINGW32_HOST = @MINGW32_HOST@
+if MINGW32_HOST
+libgsl_la_LIBADD += cblas/libgslcblas.la
+libgsl_la_LDFLAGS += -no-undefined
+endif
+
 m4datadir = $(datadir)/aclocal
 m4data_DATA = gsl.m4