diff --git a/depends/builders/darwin.mk b/depends/builders/darwin.mk
--- a/depends/builders/darwin.mk
+++ b/depends/builders/darwin.mk
@@ -1,13 +1,13 @@
-build_darwin_CC: = $(shell xcrun -f clang)
-build_darwin_CXX: = $(shell xcrun -f clang++)
-build_darwin_AR: = $(shell xcrun -f ar)
-build_darwin_RANLIB: = $(shell xcrun -f ranlib)
-build_darwin_STRIP: = $(shell xcrun -f strip)
-build_darwin_OTOOL: = $(shell xcrun -f otool)
-build_darwin_NM: = $(shell xcrun -f nm)
+build_darwin_CC:=$(shell xcrun -f clang)
+build_darwin_CXX:=$(shell xcrun -f clang++)
+build_darwin_AR:=$(shell xcrun -f ar)
+build_darwin_RANLIB:=$(shell xcrun -f ranlib)
+build_darwin_STRIP:=$(shell xcrun -f strip)
+build_darwin_OTOOL:=$(shell xcrun -f otool)
+build_darwin_NM:=$(shell xcrun -f nm)
 build_darwin_INSTALL_NAME_TOOL:=$(shell xcrun -f install_name_tool)
-build_darwin_SHA256SUM = shasum -a 256
-build_darwin_DOWNLOAD = curl --location --fail --connect-timeout $(DOWNLOAD_CONNECT_TIMEOUT) --retry $(DOWNLOAD_RETRIES) -o
+build_darwin_SHA256SUM=shasum -a 256
+build_darwin_DOWNLOAD=curl --location --fail --connect-timeout $(DOWNLOAD_CONNECT_TIMEOUT) --retry $(DOWNLOAD_RETRIES) -o
 
 #darwin host on darwin builder. overrides darwin host preferences.
 darwin_CC=$(shell xcrun -f clang) -mmacosx-version-min=$(OSX_MIN_VERSION)