diff -ruN ffmpeg-4.0/configure patched/configure
--- ffmpeg-4.0/configure	2018-04-20 12:02:55.000000000 +0200
+++ patched/configure	2018-05-13 10:55:23.199869611 +0200
@@ -3644,10 +3644,10 @@
 SLIBSUF=".so"
 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
-SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
+SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
-SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
-SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
+SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
+SLIB_INSTALL_LINKS='$(SLIBNAME)'
 VERSION_SCRIPT_POSTPROCESS_CMD="cat"

 asflags_filter=echo

@@ -5101,10 +5101,10 @@
         elif enabled aarch64; then
             LIBTARGET="arm64"
         fi
-        if enabled shared; then
+        #if enabled shared; then
             # Cannot build both shared and static libs when using dllimport.
-            disable static
-        fi
+        #    disable static
+        #fi
         enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres
         enabled x86_32 && check_ldflags -Wl,--large-address-aware
         shlibdir_default="$bindir_default"