kbuild: silence CHK/UPD messages according to $(quiet)

[sfrench/cifs-2.6.git] / scripts / Kbuild.include

diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 677bc6c175cba6d6ce1668264afb01696ce51e99..da3559ea92e03759d6a2a6d32c1307a9e1dc5c3b 100644 (file)
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -39,15 +39,19 @@ escsq = $(subst $(squote),'\$(squote)',$1)
 # - If they are equal no change, and no timestamp update
 # - stdin is piped in from the first prerequisite ($<) so one has
 #   to specify a valid file as first prerequisite (often the kbuild file)
+ quiet_chk_filechk = echo '  CHK     $@'
+silent_chk_filechk = :
+ quiet_upd_filechk = echo '  UPD     $@'
+silent_upd_filechk = :
 define filechk
        $(Q)set -e;                             \
-       echo '  CHK     $@';                    \
+       $($(quiet)chk_filechk);                 \
        mkdir -p $(dir $@);                     \
        $(filechk_$(1)) < $< > $@.tmp;          \
        if [ -r $@ ] && cmp -s $@ $@.tmp; then  \
                rm -f $@.tmp;                   \
        else                                    \
-               echo '  UPD     $@';            \
+               $($(quiet)upd_filechk);         \
                mv -f $@.tmp $@;                \
        fi
 endef
@@ -56,6 +60,17 @@ endef
 # gcc support functions
 # See documentation in Documentation/kbuild/makefiles.txt
 
+# cc-cross-prefix
+# Usage: CROSS_COMPILE := $(call cc-cross-prefix, m68k-linux-gnu- m68k-linux-)
+# Return first prefix where a prefix$(CC) is found in PATH.
+# If no $(CC) found in PATH with listed prefixes return nothing
+cc-cross-prefix =  \
+       $(word 1, $(foreach c,$(1),                                   \
+               $(shell set -e;                                       \
+               if (which $(strip $(c))$(CC)) > /dev/null 2>&1 ; then \
+                       echo $(c);                                    \
+               fi)))
+
 # output directory for tests below
 TMPOUT := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/)
 
@@ -75,24 +90,24 @@ try-run = $(shell set -e;           \
 # Usage: cflags-y += $(call as-option,-Wa$(comma)-isa=foo,)
 
 as-option = $(call try-run,\
-       $(CC) $(CFLAGS) $(1) -c -xassembler /dev/null -o "$$TMP",$(1),$(2))
+       $(CC) $(KBUILD_CFLAGS) $(1) -c -xassembler /dev/null -o "$$TMP",$(1),$(2))
 
 # as-instr
 # Usage: cflags-y += $(call as-instr,instr,option1,option2)
 
 as-instr = $(call try-run,\
-       echo -e "$(1)" | $(CC) $(AFLAGS) -c -xassembler -o "$$TMP" -,$(2),$(3))
+       echo -e "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -xassembler -o "$$TMP" -,$(2),$(3))
 
 # cc-option
 # Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586)
 
 cc-option = $(call try-run,\
-       $(CC) $(CFLAGS) $(1) -S -xc /dev/null -o "$$TMP",$(1),$(2))
+       $(CC) $(KBUILD_CFLAGS) $(1) -S -xc /dev/null -o "$$TMP",$(1),$(2))
 
 # cc-option-yn
 # Usage: flag := $(call cc-option-yn,-march=winchip-c6)
 cc-option-yn = $(call try-run,\
-       $(CC) $(CFLAGS) $(1) -S -xc /dev/null -o "$$TMP",y,n)
+       $(CC) $(KBUILD_CFLAGS) $(1) -S -xc /dev/null -o "$$TMP",y,n)
 
 # cc-option-align
 # Prefix align with either -falign or -malign