musl: support build gdb

Author: zqb-all

Makefile.in

@@ -141,6 +141,7 @@ endif
 ifeq (@enable_gdb@,--enable-gdb)
 newlib: stamps/build-gdb-newlib
 linux: stamps/build-gdb-linux
+musl: stamps/build-gdb-musl
 endif
 linux-native: stamps/build-gcc-linux-native
 ifeq (@enable_llvm@,--enable-llvm)
@@ -794,6 +795,30 @@ stamps/build-binutils-musl: $(BINUTILS_SRCDIR) $(BINUTILS_SRC_GIT) $(PREPARATION
 	$(MAKE) -C $(notdir $@) install
 	mkdir -p $(dir $@) && touch $@
 
+stamps/build-gdb-musl: $(GDB_SRCDIR) $(GDB_SRC_GIT) $(PREPARATION_STAMP)
+	rm -rf $@ $(notdir $@)
+	mkdir $(notdir $@)
+# CC_FOR_TARGET is required for the ld testsuite.
+	cd $(notdir $@) && CC_FOR_TARGET=$(MUSL_CC_FOR_TARGET) $</configure \
+		--target=$(MUSL_TUPLE) \
+		$(CONFIGURE_HOST) \
+		--prefix=$(INSTALL_DIR) \
+		--with-sysroot=$(SYSROOT) \
+		$(MULTILIB_FLAGS) \
+		@with_guile@ \
+		--disable-werror \
+		--disable-nls \
+		$(GDB_TARGET_FLAGS) \
+		--enable-gdb \
+		--disable-gas \
+		--disable-binutils \
+		--disable-ld \
+		--disable-gold \
+		--disable-gprof
+	$(MAKE) -C $(notdir $@)
+	$(MAKE) -C $(notdir $@) install
+	mkdir -p $(dir $@) && touch $@
+
 stamps/build-gcc-musl-stage1: $(GCC_SRCDIR) $(GCC_SRC_GIT) stamps/build-binutils-musl \
                                stamps/build-linux-headers
 	if test -f $</contrib/download_prerequisites && test "@NEED_GCC_EXTERNAL_LIBRARIES@" = "true"; then cd $< && ./contrib/download_prerequisites; fi