On Darwin, only use /usr/bin/libtool if libtool is not Apple.
The original change was to always use /usr/bin/libtool on Darwin,
in order to avoid using a GNU libtool installed by the user in the
path ahead of Apple's libtool. However someone might install a
more recent Apple libtool ahead of /usr/bin/libtool. This commit
checks to see if libtool is Apple, and uses /usr/bin/libtool if it
isn't.
diff --git a/configure b/configure
index 36c7d8e..5e548a9 100755
--- a/configure
+++ b/configure
@@ -231,7 +231,11 @@
SHAREDLIBV=libz.$VER$shared_ext
SHAREDLIBM=libz.$VER1$shared_ext
LDSHARED=${LDSHARED-"$cc -dynamiclib -install_name $libdir/$SHAREDLIBM -compatibility_version $VER1 -current_version $VER3"}
- AR="/usr/bin/libtool"
+ if test "`libtool -V 2>&1 | grep -c Apple`" != "0"; then
+ AR="libtool"
+ else
+ AR="/usr/bin/libtool"
+ fi
ARFLAGS="-o" ;;
*) LDSHARED=${LDSHARED-"$cc -shared"} ;;
esac
