Index: m4/buildsys.m4
==================================================================
--- m4/buildsys.m4
+++ m4/buildsys.m4
@@ -182,21 +182,21 @@
 			CLEAN_LIB=''
 			;;
 		mingw* | cygwin*)
 			AC_MSG_RESULT(MinGW / Cygwin)
 			LIB_CFLAGS=''
-			LIB_LDFLAGS='-shared -Wl,--export-all-symbols,--out-implib,${SHARED_LIB}.a'
+			LIB_LDFLAGS='-shared -Wl,--export-all-symbols,--out-implib,lib${SHARED_LIB}.a'
 			LIB_LDFLAGS_INSTALL_NAME=''
-			LIB_PREFIX='lib'
+			LIB_PREFIX=''
 			LIB_SUFFIX='.dll'
 			LDFLAGS_RPATH='-Wl,-rpath,${libdir}'
 			PLUGIN_CFLAGS=''
 			PLUGIN_LDFLAGS='-shared'
 			PLUGIN_SUFFIX='.dll'
 			LINK_PLUGIN='${LD} -o $$out ${PLUGIN_OBJS} ${PLUGIN_OBJS_EXTRA} ${PLUGIN_LDFLAGS} ${LDFLAGS} ${LIBS}'
-			INSTALL_LIB='&& ${MKDIR_P} ${DESTDIR}${bindir} && ${INSTALL} -m 755 $$i ${DESTDIR}${bindir}/$$i && ${INSTALL} -m 755 $$i.a ${DESTDIR}${libdir}/$$i.a'
-			UNINSTALL_LIB='&& rm -f ${DESTDIR}${bindir}/$$i ${DESTDIR}${libdir}/$$i.a'
+			INSTALL_LIB='&& ${MKDIR_P} ${DESTDIR}${bindir} && ${INSTALL} -m 755 $$i ${DESTDIR}${bindir}/$$i && ${INSTALL} -m 755 lib$$i.a ${DESTDIR}${libdir}/lib$$i.a'
+			UNINSTALL_LIB='&& rm -f ${DESTDIR}${bindir}/$$i ${DESTDIR}${libdir}/lib$$i.a'
 			INSTALL_PLUGIN='&& ${INSTALL} -m 755 $$i ${DESTDIR}${plugindir}/$$i'
 			UNINSTALL_PLUGIN='&& rm -f ${DESTDIR}${plugindir}/$$i'
 			CLEAN_LIB='${SHARED_LIB}.a'
 			;;
 		openbsd* | mirbsd*)