X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2FMakefile;fp=src%2FMakefile;h=76ef6fdeb8d6865c5b6a99deed861e5872aa488e;hp=7b7ee41b6548b368358c9f54342dd05803b16b21;hb=b1876222335df6581777baadc68fb5b17e5fe656;hpb=40c6a84434ea4600b5ebdd1020b34516317be1a9

diff --git a/src/Makefile b/src/Makefile
index 7b7ee41b..76ef6fde 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -20,9 +20,9 @@
 ### ==========================================================================
 
 ### Establish the operating system name
-KERNEL = $(shell uname -s)
+KERNEL := $(shell uname -s)
 ifeq ($(KERNEL),Linux)
-	OS = $(shell uname -o)
+	OS := $(shell uname -o)
 endif
 
 ### Target Windows OS
@@ -33,7 +33,7 @@ ifeq ($(OS),Windows_NT)
 else ifeq ($(COMP),mingw)
 	target_windows = yes
 	ifeq ($(WINE_PATH),)
-		WINE_PATH = $(shell which wine)
+		WINE_PATH := $(shell which wine)
 	endif
 endif
 
@@ -116,7 +116,7 @@ ifeq ($(ARCH),)
 endif
 
 ifeq ($(ARCH), native)
-   override ARCH = $(shell $(SHELL) ../scripts/get_native_properties.sh | cut -d " " -f 1)
+   override ARCH := $(shell $(SHELL) ../scripts/get_native_properties.sh | cut -d " " -f 1)
 endif
 
 # explicitly check for the list of supported architectures (as listed with make help),
@@ -542,8 +542,8 @@ endif
 
 ### Sometimes gcc is really clang
 ifeq ($(COMP),gcc)
-	gccversion = $(shell $(CXX) --version 2>/dev/null)
-	gccisclang = $(findstring clang,$(gccversion))
+	gccversion := $(shell $(CXX) --version 2>/dev/null)
+	gccisclang := $(findstring clang,$(gccversion))
 	ifneq ($(gccisclang),)
 		profile_make = clang-profile-make
 		profile_use = clang-profile-use
@@ -601,7 +601,7 @@ ifeq ($(optimize),yes)
 	endif
 
 	ifeq ($(comp),clang)
-		clangmajorversion = $(shell $(CXX) -dumpversion 2>/dev/null | cut -f1 -d.)
+		clangmajorversion := $(shell $(CXX) -dumpversion 2>/dev/null | cut -f1 -d.)
 		ifeq ($(shell expr $(clangmajorversion) \< 16),1)
 			CXXFLAGS += -fexperimental-new-pass-manager
 		endif
@@ -717,13 +717,13 @@ ifeq ($(pext),yes)
 endif
 
 ### 3.8.1 Try to include git commit sha for versioning
-GIT_SHA = $(shell git rev-parse HEAD 2>/dev/null | cut -c 1-8)
+GIT_SHA := $(shell git rev-parse HEAD 2>/dev/null | cut -c 1-8)
 ifneq ($(GIT_SHA), )
 	CXXFLAGS += -DGIT_SHA=$(GIT_SHA)
 endif
 
 ### 3.8.2 Try to include git commit date for versioning
-GIT_DATE = $(shell git show -s --date=format:'%Y%m%d' --format=%cd HEAD 2>/dev/null)
+GIT_DATE := $(shell git show -s --date=format:'%Y%m%d' --format=%cd HEAD 2>/dev/null)
 ifneq ($(GIT_DATE), )
 	CXXFLAGS += -DGIT_DATE=$(GIT_DATE)
 endif