add some bulktoolchain finetuning

mk/build.mk

@@ -486,17 +486,18 @@ endif # ! ifeq ($(strip $(ADK_HAVE_DOT_CONFIG)),y)
 bulktoolchain:
 	for libc in glibc uclibc musl;do \
 		while read arch; do \
-		    mkdir -p $(TOPDIR)/firmware/toolchain_$${arch}_$$libc; \
+			mkdir -p ${TOPDIR}/firmware; \
 		    ( \
 			echo === building $$arch $$libc toolchain-$$arch on $$(date); \
 			tarch=$$(echo $$arch|sed -e "s#el##" -e "s#eb##" -e "s#mips64.*#mips#"); \
+			if [ -f ${TOPDIR}/firmware/toolchain_$${arch}_$${libc}.tar.xz ];then exit;fi; \
 			$(GMAKE) prereq && \
 				$(GMAKE) ARCH=$$tarch SYSTEM=toolchain-$$arch LIBC=$$libc defconfig; \
 				$(GMAKE) VERBOSE=1 all; if [ $$? -ne 0 ]; then touch .exit;fi; \
-				tar -cvJf ${TOPDIR}/firmware/toolchain_$${arch}_$${libc}.tar.xz host_* target_$${arch}_$${libc}_*; \
+				tar -cvJf ${TOPDIR}/firmware/toolchain_$${arch}_$${libc}.tar.xz host_* target_$${arch}_$${libc}*; \
 				$(GMAKE) cleantoolchain; \
 			rm .config; \
-		    ) 2>&1 | tee $(TOPDIR)/firmware/toolchain_$${arch}_$${libc}/build.log; \
+		    ) 2>&1 | tee $(TOPDIR)/firmware/toolchain_$${arch}_$${libc}_build.log; \
 		    if [ -f .exit ];then break;fi \
 		done <${TOPDIR}/target/tarch.lst ;\
 		if [ -f .exit ];then echo "Bulk build failed!"; rm .exit; exit 1;fi \

target/config/Config.in.runtime

@@ -77,7 +77,7 @@ prompt "Initial login shell for the root user"
 default ADK_ROOTSH_MKSH
 
 config ADK_ROOTSH_MKSH
-	select ADK_PACKAGE_MKSH
+	select ADK_PACKAGE_MKSH if !ADK_TOOLCHAIN_ONLY
 	bool "mksh (MirBSD Korn Shell)"
 	help
 	  Use mksh (a Korn Shell variant) as standard login shell
@@ -97,13 +97,6 @@ config ADK_ROOTSH_BASH
 	help
 	  Use GNU bash as standard login shell for the superuser.
 
-config ADK_ROOTSH_MKSH
-	select ADK_PACKAGE_MKSH
-	bool "mksh (MirBSD Korn Shell)"
-	help
-	  Use mksh (a Korn Shell variant) as standard login shell
-	  for the superuser.
-
 config ADK_ROOTSH_TCSH
 	select ADK_PACKAGE_TCSH
 	bool "tcsh (Tenex C Shell)"
@@ -124,7 +117,7 @@ prompt "System /bin/sh (POSIX script shell)"
 default ADK_BINSH_MKSH
 
 config ADK_BINSH_MKSH
-	select ADK_PACKAGE_MKSH
+	select ADK_PACKAGE_MKSH if !ADK_TOOLCHAIN_ONLY
 	bool "mksh (MirBSD Korn Shell)"
 	help
 	  Use mksh (a Korn Shell variant) as system shell, which is