Work around Mac's broken sed

sed on Mac is apparently incredibly broken and incapable of adding
newlines.  `printf 'x' | sed 's/x/\n/'` results in 'n' on Mac rather
than a newline.  GNU sed even in --posix mode does not agree with this
behavior.  None the less, we can work around it here.

diff --git a/configure.ac b/configure.ac
index e1ba8b502e0acc00affba80110154d480e962cfb..39e8063276d555cad379aba286a1c9804747c8aa 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -602,7 +602,7 @@ PLATFORM_CORE_LDFLAGS=
 PLATFORM_CORE_LIBS=
 
 path_remove () {
-  echo "$1" | sed 's/:/\n/g' | grep -Fxv "$2" | tr '\n' ':' | sed 's/:$/\n/'
+  echo "$1" | tr ':' '\n' | grep -Fxv "$2" | tr '\n' ':' | sed 's/:$//'
 }
 path_push_unique () {
   x="$(eval echo \$$1)"