[SCM] libav/experimental: mingw32: Restore creation of import libraries. They are still not being installed, but they're good for creating -dev packages.

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit 4b51fb1ce031f5a256b062231d46e4902ec5cc28
Author: Ramiro Polla <ramiro.polla at gmail.com>
Date:   Sun Mar 29 03:42:32 2009 +0000

    mingw32: Restore creation of import libraries. They are still not being
    installed, but they're good for creating -dev packages.
    
    Originally committed as revision 18214 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/configure b/configure
index dcf159b..b34b9c9 100755
--- a/configure
+++ b/configure
@@ -1607,7 +1607,7 @@ case $target_os in
         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
-        SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
+        SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
         objformat="win32"
         enable dos_paths
         if ! enabled x86_64; then

-- 
Libav/FFmpeg packaging