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gen_build_files.sh is an order prerequisite only for autoconf.h

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2010-06-25 13:30:59 +02:00
parent e69c5e2429
commit 1d72d43940
2 changed files with 21 additions and 29 deletions
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2
Makefile
View File

@ -509,7 +509,7 @@ include $(srctree)/Makefile.flags
# with it and forgot to run make oldconfig.
# If kconfig.d is missing then we are probarly in a cleaned tree so
# we execute the config step to be sure to catch updated Kconfig files
include/autoconf.h: .kconfig.d .config gen_build_files
include/autoconf.h: .kconfig.d .config | gen_build_files
$(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig
else

48
scripts/gen_build_files.sh
View File

@ -11,20 +11,19 @@ srctree="$1"
src="$srctree/include/applets.src.h"
dst="include/applets.h"
s=`sed -n 's@^//applet:@@p' -- "$srctree"/*/*.c "$srctree"/*/*/*.c`
echo "/* DO NOT EDIT. This file is generated from applets.src.h */" >"$dst.$$.tmp"
old=`cat "$dst" 2>/dev/null`
# Why "IFS='' read -r REPLY"??
# This atrocity is needed to read lines without mangling.
# IFS='' prevents whitespace trimming,
# -r suppresses backslash handling.
new=`echo "/* DO NOT EDIT. This file is generated from applets.src.h */"
while IFS='' read -r REPLY; do
test x"$REPLY" = x"INSERT" && REPLY="$s"
printf "%s\n" "$REPLY"
done <"$src" >>"$dst.$$.tmp"
if test -f "$dst" && cmp -s "$dst.$$.tmp" "$dst"; then
rm -- "$dst.$$.tmp"
else
done <"$src"`
if test x"$new" != x"$old"; then
echo " GEN $dst"
mv -- "$dst.$$.tmp" "$dst"
printf "%s\n" "$new" >"$dst"
fi
# (Re)generate include/usage.h
@ -35,20 +34,15 @@ dst="include/usage.h"
# with space or tab
# (note: we need to use \\\\ because of ``)
s=`sed -n -e 's@^//usage:\([ \t].*\)$@\1 \\\\@p' -e 's@^//usage:\([^ \t].*\)$@\n\1 \\\\@p' -- "$srctree"/*/*.c "$srctree"/*/*/*.c`
echo "/* DO NOT EDIT. This file is generated from usage.src.h */" >"$dst.$$.tmp"
# Why "IFS='' read -r REPLY"??
# This atrocity is needed to read lines without mangling.
# IFS='' prevents whitespace trimming,
# -r suppresses backslash handling.
old=`cat "$dst" 2>/dev/null`
new=`echo "/* DO NOT EDIT. This file is generated from usage.src.h */"
while IFS='' read -r REPLY; do
test x"$REPLY" = x"INSERT" && REPLY="$s"
printf "%s\n" "$REPLY"
done <"$src" >>"$dst.$$.tmp"
if test -f "$dst" && cmp -s "$dst.$$.tmp" "$dst"; then
rm -- "$dst.$$.tmp"
else
done <"$src"`
if test x"$new" != x"$old"; then
echo " GEN $dst"
mv -- "$dst.$$.tmp" "$dst"
printf "%s\n" "$new" >"$dst"
fi
# (Re)generate */Kbuild and */Config.in
@ -61,16 +55,15 @@ find -type d | while read -r d; do
s=`sed -n 's@^//kbuild:@@p' -- "$srctree/$d"/*.c`
echo "# DO NOT EDIT. This file is generated from Kbuild.src" >"$dst.$$.tmp"
old=`cat "$dst" 2>/dev/null`
new=`echo "# DO NOT EDIT. This file is generated from Kbuild.src"
while IFS='' read -r REPLY; do
test x"$REPLY" = x"INSERT" && REPLY="$s"
printf "%s\n" "$REPLY"
done <"$src" >>"$dst.$$.tmp"
if test -f "$dst" && cmp -s "$dst.$$.tmp" "$dst"; then
rm -- "$dst.$$.tmp"
else
done <"$src"`
if test x"$new" != x"$old"; then
echo " GEN $dst"
mv -- "$dst.$$.tmp" "$dst"
printf "%s\n" "$new" >"$dst"
fi
fi
@ -81,16 +74,15 @@ find -type d | while read -r d; do
s=`sed -n 's@^//config:@@p' -- "$srctree/$d"/*.c`
echo "# DO NOT EDIT. This file is generated from Config.src" >"$dst.$$.tmp"
old=`cat "$dst" 2>/dev/null`
new=`echo "# DO NOT EDIT. This file is generated from Config.src"
while IFS='' read -r REPLY; do
test x"$REPLY" = x"INSERT" && REPLY="$s"
printf "%s\n" "$REPLY"
done <"$src" >>"$dst.$$.tmp"
if test -f "$dst" && cmp -s "$dst.$$.tmp" "$dst"; then
rm -- "$dst.$$.tmp"
else
done <"$src"`
if test x"$new" != x"$old"; then
echo " GEN $dst"
mv -- "$dst.$$.tmp" "$dst"
printf "%s\n" "$new" >"$dst"
fi
fi
done