Make: stop reading a CPreProcessor macro name when "," is found

Signed-off-by: Masatake YAMATO <[email protected]>

Author: masatake

Units/parser-make.r/cpp-marcros.d/expected.tags

@@ -53,3 +53,5 @@ ACPI_DEBUGGER2	input-1.mak	/^CFLAGS2 := -DACPI_DEBUGGER2\\$/;"	d	language:CPrePr
 CFLAGS3	input-1.mak	/^CFLAGS3 = -DACPI_DEBUGGER3\\$/;"	m	language:Make
 ACPI_DEBUGGER3	input-1.mak	/^CFLAGS3 = -DACPI_DEBUGGER3\\$/;"	d	language:CPreProcessor
 FOO_$(VAL)	input-2.mak	/^X += -DFOO_$(VAL)$/;"	d	language:CPreProcessor
+ARM_ARCH_SELECTOR	input-2.mak	/^ARM_ARCH_SELECTOR := $(filter -D__LINUX_ARM_ARCH__%, $(KBUILD_CFLAGS))$/;"	m	language:Make
+__LINUX_ARM_ARCH__%	input-2.mak	/^ARM_ARCH_SELECTOR := $(filter -D__LINUX_ARM_ARCH__%, $(KBUILD_CFLAGS))$/;"	d	language:CPreProcessor

Units/parser-make.r/cpp-marcros.d/input-2.mak

@@ -1 +1,2 @@
 X += -DFOO_$(VAL)
+ARM_ARCH_SELECTOR := $(filter -D__LINUX_ARM_ARCH__%, $(KBUILD_CFLAGS))

parsers/make.c

@@ -343,6 +343,12 @@ static void valueTrackerEval (struct valueTracker *vt)
 			if (isspace(c) || c == '=')
 				break;
 
+			/* "," can be a separator.
+			 * -------------------------------------------------
+			 * $(filter -D__LINUX_ARM_ARCH__%, $(KBUILD_CFLAGS)) */
+			if (c == ',')
+				break;
+
 			if (c == '('
 				/* FOO_$(...) isn't a signature. */
 				&& (i - i0 > 1) && (vStringChar (vt->value, i -1) != '$'))