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-rw-r--r--Makefile4
1 files changed, 2 insertions, 2 deletions
diff --git a/Makefile b/Makefile
index 803a1f96e7..6fdd9b8d4b 100644
--- a/Makefile
+++ b/Makefile
@@ -851,10 +851,10 @@ BINARYNAME=$(TARNAME)-$(PLATFORM)-$(ARCH)
endif
BINARYTAR=$(BINARYNAME).tar
# OSX doesn't have xz installed by default, http://macpkg.sourceforge.net/
-HAS_XZ ?= $(shell which xz > /dev/null 2>&1; [[ $$? = 0 ]] && echo 1 || echo 0)
+HAS_XZ ?= $(shell which xz > /dev/null 2>&1; [ $$? -eq 0 ] && echo 1 || echo 0)
# Supply SKIP_XZ=1 to explicitly skip .tar.xz creation
SKIP_XZ ?= 0
-XZ = $(shell [[ $(HAS_XZ) = 1 && $(SKIP_XZ) = 0 ]] && echo 1 || echo 0)
+XZ = $(shell [ $(HAS_XZ) -eq 1 -a $(SKIP_XZ) -eq 0 ] && echo 1 || echo 0)
XZ_COMPRESSION ?= 9e
PKG=$(TARNAME).pkg
MACOSOUTDIR=out/macos