contribs: fixed linking on Snow Leopard

As libiconv.la is no longer present on Snow Leopard, we need to remove any references to it.

extras/contrib/Makefile

@@ -38,6 +38,9 @@ all: $(TARGETALL)
 
 using-src:
 	$(MAKE) -C src
+ifdef HAVE_DARWIN_10
+	(cd $(PREFIX)/lib && sed -e 's%/usr/lib/libiconv.la%$(PREFIX)/lib/libiconv.la%' -i.orig *.la && rm -f *.la.orig)
+endif
 
 # shortcut
 src: using-src
@@ -59,6 +62,11 @@ using-bin: contrib-macosx-$(ARCH)-$(CONTRIBREV).tar.bz2
 	(cd tmp && find . -type d) | while read dir; do mkdir -p -- "$$dir"; done
 	(cd tmp && find . -not -type d) | while read i; do mv -f -- tmp/"$$i" "$$i"; done
 	rm -rf tmp
+    # libiconv.la is no longer present on Snow Leopard, so fix possible references to it, which would
+    # result in linking issues
+ifdef HAVE_DARWIN_10
+	(cd $(PREFIX)/lib && sed -e 's%/usr/lib/libiconv.la%$(PREFIX)/lib/libiconv.la%' -i.orig *.la && rm -f *.la.orig)
+endif
 endif
 
 clean-src:

extras/contrib/bootstrap

@@ -162,6 +162,9 @@ case $HOST in
             echo "ERROR:\nYour Developer Tools' SDKs were not found.\nYou need to add extra symbolic links to /Developer to achieve correctly\nbuilt contribs.\nHave a look at the OSX-Compile-HOWTO for details." >&2
             exit 1
         fi
+        if test $HOST="i686-apple-darwin10"; then
+            echo "HAVE_DARWIN_10 = 1" >> config.mak
+        fi
     ;;
     x86_64-apple-darwin*)
         SDK_TARGET=10.5
@@ -189,6 +192,9 @@ case $HOST in
             echo "ERROR:\nYour Developer Tools' SDKs were not found.\nYou need to add extra symbolic links to /Developer to achieve correctly\nbuilt contribs.\nHave a look at the OSX-Compile-HOWTO for details." >&2
             exit 1
         fi
+        if test $HOST="x86_64-apple-darwin10"; then
+            echo "HAVE_DARWIN_10 = 1" >> config.mak
+        fi
     ;;
     *mingw32ce)
         echo "HAVE_WINCE = 1" >> config.mak