build: move the DEBUG_INFO into C/CXX/AS Flags for target variable

Signed-off-by: Huaqi Fang <578567190@qq.com>

Makefile.in

@@ -77,9 +77,9 @@ LINUX_TUPLE  ?= $(call make_tuple,$(XLEN),linux-gnu)
 NEWLIB_TUPLE ?= $(call make_tuple,$(XLEN),elf)
 MUSL_TUPLE ?= $(call make_tuple,$(XLEN),linux-musl)
 
-CFLAGS_FOR_TARGET := $(CFLAGS_FOR_TARGET_EXTRA) @target_cflags@ @cmodel@
-CXXFLAGS_FOR_TARGET := $(CXXFLAGS_FOR_TARGET_EXTRA) @target_cxxflags@ @cmodel@
-ASFLAGS_FOR_TARGET := $(ASFLAGS_FOR_TARGET_EXTRA) @cmodel@
+CFLAGS_FOR_TARGET := $(CFLAGS_FOR_TARGET_EXTRA) $(DEBUG_INFO) @target_cflags@ @cmodel@
+CXXFLAGS_FOR_TARGET := $(CXXFLAGS_FOR_TARGET_EXTRA) $(DEBUG_INFO) @target_cxxflags@ @cmodel@
+ASFLAGS_FOR_TARGET := $(ASFLAGS_FOR_TARGET_EXTRA) $(DEBUG_INFO) @cmodel@
 # --with-expat is required to enable XML support used by OpenOCD.
 BINUTILS_TARGET_FLAGS := --with-expat=yes $(BINUTILS_TARGET_FLAGS_EXTRA)
 BINUTILS_NATIVE_FLAGS := $(BINUTILS_NATIVE_FLAGS_EXTRA)
@@ -373,8 +373,8 @@ endif
 	cd $(notdir $@) && \
 		CC="$(GLIBC_CC_FOR_TARGET) $($@_CFLAGS)" \
 		CXX="this-is-not-the-compiler-youre-looking-for" \
-		CFLAGS="$(CFLAGS_FOR_TARGET) $(DEBUG_INFO) -O2 $($@_CFLAGS)" \
-		CXXFLAGS="$(CXXFLAGS_FOR_TARGET) $(DEBUG_INFO) -O2 $($@_CFLAGS)" \
+		CFLAGS="$(CFLAGS_FOR_TARGET) -O2 $($@_CFLAGS)" \
+		CXXFLAGS="$(CXXFLAGS_FOR_TARGET) -O2 $($@_CFLAGS)" \
 		ASFLAGS="$(ASFLAGS_FOR_TARGET) $($@_CFLAGS)" \
 		$</configure \
 		--host=$(call make_tuple,$($@_XLEN),linux-gnu) \
@@ -789,8 +789,8 @@ stamps/build-musl-linux: $(MUSL_SRCDIR) $(MUSL_SRC_GIT) stamps/build-gcc-musl-st
 	cd $(notdir $@) && \
 		CC="$(MUSL_CC_FOR_TARGET) $($@_CFLAGS)" \
 		CXX="$(MUSL_CXX_FOR_TARGET) $($@_CFLAGS)" \
-		CFLAGS="$(CFLAGS_FOR_TARGET) $(DEBUG_INFO) -O2 $($@_CFLAGS)" \
-		CXXFLAGS="$(CXXFLAGS_FOR_TARGET) $(DEBUG_INFO) -O2 $($@_CFLAGS)" \
+		CFLAGS="$(CFLAGS_FOR_TARGET) -O2 $($@_CFLAGS)" \
+		CXXFLAGS="$(CXXFLAGS_FOR_TARGET) -O2 $($@_CFLAGS)" \
 		ASFLAGS="$(ASFLAGS_FOR_TARGET) $($@_CFLAGS)" \
 		$</configure \
 		--host=$(MUSL_TUPLE) \