mingw/mingw-packages/mingw-w64-libvpx/0001-enable-shared-on.mingw.patch

diff -aur libvpx-1.6.0-orig/build/make/configure.sh libvpx-1.6.0/build/make/configure.sh
--- libvpx-1.6.0-orig/build/make/configure.sh	2016-07-21 04:15:41.000000000 +0300
+++ libvpx-1.6.0/build/make/configure.sh	2016-07-28 18:34:25.287546800 +0300
@@ -647,7 +647,10 @@
       --libdir=*)
         libdir="${optval}"
         ;;
-      --libc|--as|--prefix|--libdir)
+      --bindir=*)
+        bindir="${optval}"
+        ;;
+      --libc|--as|--prefix|--libdir|--bindir)
         die "Option ${opt} requires argument"
         ;;
       --help|-h)
@@ -618,9 +621,14 @@
   prefix="${prefix%/}"
   libdir="${libdir:-${prefix}/lib}"
   libdir="${libdir%/}"
+  bindir="${bindir:-${prefix}/bin}"
+  bindir="${bindir%/}"
   if [ "${libdir#${prefix}}" = "${libdir}" ]; then
     die "Libdir ${libdir} must be a subdirectory of ${prefix}"
   fi
+  if [ "${bindir#${prefix}}" = "${bindir}" ]; then
+    die "Bindir ${bindir} must be a subdirectory of ${prefix}"
+  fi
 }
 
 post_process_cmdline() {
diff -aur libvpx-1.6.0-orig/build/make/Makefile libvpx-1.6.0/build/make/Makefile
--- libvpx-1.6.0-orig/build/make/Makefile	2016-07-21 04:15:41.000000000 +0300
+++ libvpx-1.6.0/build/make/Makefile	2016-07-28 18:34:25.287546800 +0300
@@ -300,6 +300,20 @@
             $$(filter %.o,$$^) $$(extralibs)
 endef
 
+define dll_gnu_template
+# Not using a pattern rule here because we don't want to generate empty
+# archives when they are listed as a dependency in files not responsible
+# for creating them.
+#
+# This needs further abstraction for dealing with non-GNU linkers.
+$(1):
+	$(if $(quiet),@echo "    [LD] $$@")
+	$(qexec)$$(LD) -shared $$(LDFLAGS) \
+            -Wl,--no-undefined \
+            -o $$@ \
+            -Wl,--out-implib=$$(subst $(2),.dll.a,$(1)) $$(filter %.o,$$^) $$(extralibs)
+endef
+
 define dl_template
 # Not using a pattern rule here because we don't want to generate empty
 # archives when they are listed as a dependency in files not responsible
@@ -383,6 +397,7 @@
 $(foreach lib,$(filter %so.$(SO_VERSION_MAJOR).$(SO_VERSION_MINOR).$(SO_VERSION_PATCH),$(LIBS)),$(eval $(call so_template,$(lib))))
 $(foreach lib,$(filter %$(SO_VERSION_MAJOR).dylib,$(LIBS)),$(eval $(call dl_template,$(lib))))
 $(foreach lib,$(filter %$(SO_VERSION_MAJOR).dll,$(LIBS)),$(eval $(call dll_template,$(lib))))
+$(foreach lib,$(filter %-$(VERSION_MAJOR).dll,$(LIBS)),$(eval $(call dll_gnu_template,$(lib),-$(VERSION_MAJOR).dll)))
 
 INSTALL-LIBS=$(call cond_enabled,CONFIG_INSTALL_LIBS,INSTALL-LIBS)
 ifeq ($(MAKECMDGOALS),dist)
Only in libvpx-1.6.0/build/make: Makefile.orig
diff -aur libvpx-1.6.0-orig/configure libvpx-1.6.0/configure
--- libvpx-1.6.0-orig/configure	2016-07-21 04:15:41.000000000 +0300
+++ libvpx-1.6.0/configure	2016-07-28 18:37:36.879364800 +0300
@@ -473,6 +473,7 @@
 DIST_DIR?=\$(DESTDIR)${prefix}
 endif
 LIBSUBDIR=${libdir##${prefix}/}
+BINSUBDIR=${bindir##${prefix}/}
 
 VERSION_STRING=${VERSION_STRING}
 
@@ -510,9 +511,13 @@
             ;;
         *)
             if enabled gnu; then
-                echo "--enable-shared is only supported on ELF; assuming this is OK"
+                echo "--enable-shared is only supported on ELF and PE; assuming this is OK"
+            elif enabled win32; then
+                echo "--enable-shared is only supported on ELF and PE; assuming this is OK"
+            elif enabled win64; then
+                echo "--enable-shared is only supported on ELF and PE; assuming this is OK"
             else
-                die "--enable-shared only supported on ELF, OS/2, and Darwin for now"
+                die "--enable-shared only supported on ELF, OS/2, Darwin and PE for now"
             fi
             ;;
         esac
diff -aur libvpx-1.6.0-orig/examples.mk libvpx-1.6.0/examples.mk
--- libvpx-1.6.0-orig/examples.mk	2016-07-21 04:15:41.000000000 +0300
+++ libvpx-1.6.0/examples.mk	2016-07-28 18:34:25.303172800 +0300
@@ -302,9 +302,13 @@
 ifneq ($(filter os2%,$(TGT_OS)),)
 SHARED_LIB_SUF=_dll.a
 else
+ifneq ($(filter win%,$(TGT_OS)),)
+SHARED_LIB_SUF=.dll.a
+else
 SHARED_LIB_SUF=.so
 endif
 endif
+endif
 CODEC_LIB_SUF=$(if $(CONFIG_SHARED),$(SHARED_LIB_SUF),.a)
 $(foreach bin,$(BINS-yes),\
     $(eval $(bin):$(LIB_PATH)/lib$(CODEC_LIB)$(CODEC_LIB_SUF))\
diff -aur libvpx-1.6.0-orig/libs.mk libvpx-1.6.0/libs.mk
--- libvpx-1.6.0-orig/libs.mk	2016-07-21 04:15:41.000000000 +0300
+++ libvpx-1.6.0/libs.mk	2016-07-28 18:34:25.303172800 +0300
@@ -130,6 +130,7 @@
 INSTALL_MAPS += include/vpx/% $(SRC_PATH_BARE)/vpx/%
 INSTALL_MAPS += include/vpx/% $(SRC_PATH_BARE)/vpx_ports/%
 INSTALL_MAPS += $(LIBSUBDIR)/%     %
+INSTALL_MAPS += $(BINSUBDIR)/%     %
 INSTALL_MAPS += src/%     $(SRC_PATH_BARE)/%
 ifeq ($(CONFIG_MSVS),yes)
 INSTALL_MAPS += $(foreach p,$(VS_PLATFORMS),$(LIBSUBDIR)/$(p)/%  $(p)/Release/%)
@@ -252,6 +253,13 @@
 LIBVPX_SO_SYMLINKS      :=
 LIBVPX_SO_IMPLIB        := libvpx_dll.a
 else
+ifeq ($(filter win%,$(TGT_OS)),$(TGT_OS))
+LIBVPX_SO               := libvpx-$(VERSION_MAJOR).dll
+SHARED_LIB_SUF          := .dll.a
+EXPORT_FILE             :=
+LIBVPX_SO_SYMLINKS      :=
+LIBVPX_SO_IMPLIB        := libvpx.dll.a
+else
 LIBVPX_SO               := libvpx.so.$(SO_VERSION_MAJOR).$(SO_VERSION_MINOR).$(SO_VERSION_PATCH)
 SHARED_LIB_SUF          := .so
 EXPORT_FILE             := libvpx.ver
@@ -261,13 +269,14 @@
 endif
 endif
 endif
+endif
 
 LIBS-$(CONFIG_SHARED) += $(BUILD_PFX)$(LIBVPX_SO)\
                            $(notdir $(LIBVPX_SO_SYMLINKS)) \
                            $(if $(LIBVPX_SO_IMPLIB), $(BUILD_PFX)$(LIBVPX_SO_IMPLIB))
 $(BUILD_PFX)$(LIBVPX_SO): $(LIBVPX_OBJS) $(EXPORT_FILE)
 $(BUILD_PFX)$(LIBVPX_SO): extralibs += -lm
-$(BUILD_PFX)$(LIBVPX_SO): SONAME = libvpx.so.$(SO_VERSION_MAJOR)
+$(BUILD_PFX)$(LIBVPX_SO): SONAME = $(LIBVPX_SO)
 $(BUILD_PFX)$(LIBVPX_SO): EXPORTS_FILE = $(EXPORT_FILE)
 
 libvpx.ver: $(call enabled,CODEC_EXPORTS)
@@ -295,6 +304,10 @@
 	$(qexec)emximp -o $@ $<
 CLEAN-OBJS += libvpx_dll.a
 
+libvpx.dll.a: $(LIBVPX_SO)
+	@echo "    [IMPLIB] $@"
+CLEAN-OBJS += libvpx.dll.a
+
 define libvpx_symlink_template
 $(1): $(2)
 	@echo "    [LN]     $(2) $$@"
@@ -311,7 +324,7 @@
 
 
 INSTALL-LIBS-$(CONFIG_SHARED) += $(LIBVPX_SO_SYMLINKS)
-INSTALL-LIBS-$(CONFIG_SHARED) += $(LIBSUBDIR)/$(LIBVPX_SO)
+INSTALL-LIBS-$(CONFIG_SHARED) += $(BINSUBDIR)/$(LIBVPX_SO)
 INSTALL-LIBS-$(CONFIG_SHARED) += $(if $(LIBVPX_SO_IMPLIB),$(LIBSUBDIR)/$(LIBVPX_SO_IMPLIB))