kbuild: Print errors to stderr

... at least in the top-level Makefile and scripts/link-vmlinux.sh.
There are some more instances of the 'echo <error>; exit 1' pattern in
some arch Makefiles and kconfig.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>

diff --git a/Makefile b/Makefile
index 0d718ed..d7d7949 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -535,11 +535,11 @@ PHONY += include/config/auto.conf
 
 include/config/auto.conf:
        $(Q)test -e include/generated/autoconf.h -a -e $@ || (          \
-       echo;                                                           \
-       echo "  ERROR: Kernel configuration is invalid.";               \
-       echo "         include/generated/autoconf.h or $@ are missing.";\
-       echo "         Run 'make oldconfig && make prepare' on kernel src to fix it.";  \
-       echo;                                                           \
+       echo >&2;                                                       \
+       echo >&2 "  ERROR: Kernel configuration is invalid.";           \
+       echo >&2 "         include/generated/autoconf.h or $@ are missing.";\
+       echo >&2 "         Run 'make oldconfig && make prepare' on kernel src to fix it.";      \
+       echo >&2 ;                                                      \
        /bin/false)
 
 endif # KBUILD_EXTMOD
@@ -796,8 +796,8 @@ prepare3: include/config/kernel.release
 ifneq ($(KBUILD_SRC),)
        @$(kecho) '  Using $(srctree) as source for kernel'
        $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \
-               echo "  $(srctree) is not clean, please run 'make mrproper'"; \
-               echo "  in the '$(srctree)' directory.";\
+               echo >&2 "  $(srctree) is not clean, please run 'make mrproper'"; \
+               echo >&2 "  in the '$(srctree)' directory.";\
                /bin/false; \
        fi;
 endif
@@ -971,11 +971,11 @@ else # CONFIG_MODULES
 # ---------------------------------------------------------------------------
 
 modules modules_install: FORCE
-       @echo
-       @echo "The present kernel configuration has modules disabled."
-       @echo "Type 'make config' and enable loadable module support."
-       @echo "Then build a kernel with module support enabled."
-       @echo
+       @echo >&2
+       @echo >&2 "The present kernel configuration has modules disabled."
+       @echo >&2 "Type 'make config' and enable loadable module support."
+       @echo >&2 "Then build a kernel with module support enabled."
+       @echo >&2
        @exit 1
 
 endif # CONFIG_MODULES

diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index cd9c6c6..4629038 100644 (file)
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -210,8 +210,8 @@ if [ -n "${CONFIG_KALLSYMS}" ]; then
        mksysmap ${kallsyms_vmlinux} .tmp_System.map
 
        if ! cmp -s System.map .tmp_System.map; then
-               echo Inconsistent kallsyms data
-               echo echo Try "make KALLSYMS_EXTRA_PASS=1" as a workaround
+               echo >&2 Inconsistent kallsyms data
+               echo >&2 echo Try "make KALLSYMS_EXTRA_PASS=1" as a workaround
                cleanup
                exit 1
        fi