am 6dbbb159: Merge "Consistent use of USE_MINGW"

* commit '6dbbb15997d2cf032b098a33f65387fcd36d478a':
  Consistent use of USE_MINGW

core/binary.mk

@@ -116,7 +116,7 @@ my_generated_sources := $(LOCAL_GENERATED_SOURCES)
 # MinGW spits out warnings about -fPIC even for -fpie?!) being ignored because
 # all code is position independent, and then those warnings get promoted to
 # errors.
-ifeq ($(strip $(USE_MINGW)),)
+ifndef USE_MINGW
 ifeq ($(LOCAL_MODULE_CLASS),EXECUTABLES)
 my_cflags += -fpie
 else

core/combo/HOST_windows-x86.mk

@@ -24,7 +24,7 @@ TOOLS_EXE_SUFFIX := .exe
 
 # Settings to use MinGW has a cross-compiler under Linux
 ifneq ($(findstring Linux,$(UNAME)),)
-ifneq ($(strip $(USE_MINGW)),)
+ifdef USE_MINGW
 HOST_ACP_UNAVAILABLE := true
 TOOLS_EXE_SUFFIX :=
 $(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -DUSE_MINGW

core/combo/HOST_windows-x86_64.mk

@@ -24,7 +24,7 @@ TOOLS_EXE_SUFFIX := .exe
 
 # Settings to use MinGW has a cross-compiler under Linux
 ifneq ($(findstring Linux,$(UNAME)),)
-ifneq ($(strip $(USE_MINGW)),)
+ifdef USE_MINGW
 HOST_ACP_UNAVAILABLE := true
 TOOLS_EXE_SUFFIX :=
 HOST_GLOBAL_CFLAGS += -DUSE_MINGW

core/envsetup.mk

@@ -58,7 +58,7 @@ BUILD_OS := $(HOST_OS)
 # Under Linux, if USE_MINGW is set, we change HOST_OS to Windows to build the
 # Windows SDK. Only a subset of tools and SDK will manage to build properly.
 ifeq ($(HOST_OS),linux)
-ifneq ($(USE_MINGW),)
+ifdef USE_MINGW
   HOST_OS := windows
 endif
 endif

tools/zipalign/Android.mk

@@ -24,7 +24,7 @@ ifeq ($(HOST_OS),linux)
 LOCAL_LDLIBS += -lrt
 endif
 
-ifneq ($(strip $(USE_MINGW)),)
+ifdef USE_MINGW
 LOCAL_STATIC_LIBRARIES += libz
 else
 LOCAL_LDLIBS += -lz