Simplify build system mandatory parameter/variable sanity checks.

[pub/lufa.git] / LUFA / Build / lufa.build.in

diff --git a/LUFA/Build/lufa.build.in b/LUFA/Build/lufa.build.in
index 1cdb75a..6c9133f 100644 (file)
--- a/LUFA/Build/lufa.build.in
+++ b/LUFA/Build/lufa.build.in
@@ -56,43 +56,31 @@ LUFA_BUILD_OPTIONAL_VARS  += BOARD OPTIMIZATION C_STANDARD CPP_STANDARD F_CPU C_
 # Output Messages\r
 MSG_BUILD_BEGIN = Begin compilation of project \"$(TARGET)\"...\r
 MSG_BUILD_END   = Finished building project \"$(TARGET)\"...\r
-MSG_COMPILE_CMD = '  [CC]      :'\r
-MSG_REMOVE_CMD  = '  [RM]      :'\r
-MSG_LINKER_CMD  = '  [LNK]     :'\r
-MSG_SIZE_CMD    = '  [SIZE]    :'\r
-MSG_OBJCPY_CMD  = '  [OBJCPY]  :'\r
-MSG_OBJDMP_CMD  = '  [OBJDMP]  :'\r
+MSG_COMPILE_CMD = ' [CC]      :'\r
+MSG_REMOVE_CMD  = ' [RM]      :'\r
+MSG_LINKER_CMD  = ' [LNK]     :'\r
+MSG_SIZE_CMD    = ' [SIZE]    :'\r
+MSG_OBJCPY_CMD  = ' [OBJCPY]  :'\r
+MSG_OBJDMP_CMD  = ' [OBJDMP]  :'\r
 \r
 # Sanity check the user MCU, TARGET, ARCH, SRC, F_USB and LUFA_PATH makefile options\r
-ifeq ($(TARGET),)\r
-   $(error Makefile TARGET value not set.)\r
-endif\r
-ifeq ($(ARCH),)\r
-   $(error Makefile ARCH value not set.)\r
-endif\r
-ifeq ($(MCU),)\r
-   $(error Makefile MCU value not set.)\r
-endif\r
-ifeq ($(SRC),)\r
-   $(error Makefile SRC value not set.)\r
-endif\r
-ifeq ($(F_USB),)\r
-   $(error Makefile F_USB value not set.)\r
-endif\r
-ifeq ($(LUFA_PATH),)\r
-   $(error Makefile LUFA_PATH value not set.)\r
-endif\r
+MCU            ?= $(error Makefile MCU value not set.)\r
+TARGET         ?= $(error Makefile TARGET value not set.)\r
+ARCH           ?= $(error Makefile ARCH value not set.)\r
+SRC            ?= $(error Makefile SRC value not set.)\r
+F_USB          ?= $(error Makefile F_USB value not set.)\r
+LUFA_PATH      ?= $(error Makefile LUFA_PATH value not set.)\r
 \r
 # Default values of user-supplied variables\r
-BOARD         ?= NONE\r
-OPTIMIZATION  ?= s\r
-F_CPU         ?=\r
-C_STANDARD    ?= gnu99\r
-CPP_STANDARD  ?= gnu++98\r
-C_FLAGS       ?=\r
-CPP_FLAGS     ?=\r
-ASM_FLAGS     ?=\r
-CC_FLAGS      ?=\r
+BOARD          ?= NONE\r
+OPTIMIZATION   ?= s\r
+F_CPU          ?=\r
+C_STANDARD     ?= gnu99\r
+CPP_STANDARD   ?= gnu++98\r
+C_FLAGS        ?=\r
+CPP_FLAGS      ?=\r
+ASM_FLAGS      ?=\r
+CC_FLAGS       ?=\r
 \r
 # Convert input source file list to differentiate them by type\r
 C_SOURCE   = $(filter %.c, $(SRC))\r