3rdParty-devel: Patch .def files for vorbis

Even if the library name on the "LIBRARY" directive from a .def
file is defined as optional according to the specification [1],
MinGW requires it anyway. Otherwise, the linker would throw the
following error message:

.def: file format not recognized; treating as linker script

Even if this had been already reported as an issue many years ago [2],
it can still be reproduced on x86_64-w64-mingw32-ld-win32 2.43.

[1]: http://msdn2.microsoft.com/en-us/library/30fw19zw
[2]: https://lists.gnu.org/archive/html/bug-binutils/2006-03/msg00147.html


git-svn-id: https://svn.code.sf.net/p/speed-dreams/code/trunk@9584 30fe4595-0a0c-4342-8851-515496e4dcbd

Former-commit-id: 5dd3ccdc7d18670008698ea22820d357c7ec362c
Former-commit-id: 4647af42a658582de0c01115ec9a345af43300b5

packaging/3rdParty-devel/CMakeLists.txt

@@ -369,6 +369,27 @@ if(OPTION_VORBIS)
       URL_HASH ${VORBIS_HASH}
       CMAKE_ARGS ${VORBIS_ARGS}
       DEPENDS ${OGG_PROJECT})
+
+   ExternalProject_Add_Step(${VORBIS_PROJECT} vorbis_patch_def
+      COMMAND ${CMAKE_COMMAND} -E copy_if_different
+           "${CMAKE_SOURCE_DIR}/patches/vorbis/vorbis.def"
+           "<SOURCE_DIR>/win32/vorbis.def"
+      DEPENDEES update # do after update
+      DEPENDERS patch)  # do before patch
+
+   ExternalProject_Add_Step(${VORBIS_PROJECT} vorbis_patch_enc_def
+      COMMAND ${CMAKE_COMMAND} -E copy_if_different
+           "${CMAKE_SOURCE_DIR}/patches/vorbis/vorbisenc.def"
+           "<SOURCE_DIR>/win32/vorbisenc.def"
+      DEPENDEES update # do after update
+      DEPENDERS patch)  # do before patch
+
+   ExternalProject_Add_Step(${VORBIS_PROJECT} vorbis_patch_file_def
+      COMMAND ${CMAKE_COMMAND} -E copy_if_different
+           "${CMAKE_SOURCE_DIR}/patches/vorbis/vorbisfile.def"
+           "<SOURCE_DIR>/win32/vorbisfile.def"
+      DEPENDEES update # do after update
+      DEPENDERS patch)  # do before patch
 else()
    set(VORBIS_PROJECT )
 endif()

packaging/3rdParty-devel/patches/vorbis/vorbis.def

@@ -1,6 +1,6 @@
 ; vorbis.def
 ; 
-LIBRARY
+LIBRARY libvorbis.dll
 EXPORTS
 _floor_P
 _mapping_P

packaging/3rdParty-devel/patches/vorbis/vorbisenc.def

@@ -1,6 +1,6 @@
 ; vorbisenc.def
 ;
-LIBRARY
+LIBRARY libvorbisenc.dll
 
 EXPORTS
 vorbis_encode_init

packaging/3rdParty-devel/patches/vorbis/vorbisfile.def

@@ -1,6 +1,6 @@
 ; vorbisfile.def
 ;
-LIBRARY
+LIBRARY libvorbisfile.dll
 EXPORTS
 ov_clear
 ov_open