diff options
Diffstat (limited to 'scripts/gen_build_files.sh')
| -rwxr-xr-x | scripts/gen_build_files.sh | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/scripts/gen_build_files.sh b/scripts/gen_build_files.sh index 44e8c1744..647c7daf7 100755 --- a/scripts/gen_build_files.sh +++ b/scripts/gen_build_files.sh @@ -10,7 +10,7 @@ srctree="$1" # (Re)generate include/applets.h src="$srctree/include/applets.src.h" dst="include/applets.h" -s=`sed -n 's@^//applet:@@p' -- */*.c */*/*.c` +s=`sed -n 's@^//applet:@@p' -- "$srctree"/*/*.c "$srctree"/*/*/*.c` echo "/* DO NOT EDIT. This file is generated from applets.src.h */" >"$dst.$$.tmp" # Why "IFS='' read -r REPLY"?? # This atrocity is needed to read lines without mangling. @@ -27,6 +27,30 @@ else mv -- "$dst.$$.tmp" "$dst" fi +# (Re)generate include/usage.h +src="$srctree/include/usage.src.h" +dst="include/usage.h" +# We add line continuation backslash after each line, +# and insert empty line before each line which doesn't start +# 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.$$.tmp" +# Why "IFS='' read -r REPLY"?? +# This atrocity is needed to read lines without mangling. +# IFS='' prevents whitespace trimming, +# -r suppresses backslash handling. +while IFS='' read -r REPLY; do + test x"$REPLY" = x"INSERT" && REPLY="$s" + printf "%s\n" "$REPLY" +done <"$src" >>"$dst.$$.tmp" +if test -f "$dst" && cmp -s "$dst.$$.tmp" "$dst"; then + rm -- "$dst.$$.tmp" +else + echo " GEN $dst" + mv -- "$dst.$$.tmp" "$dst" +fi + # (Re)generate */Kbuild and */Config.in find -type d | while read -r d; do d="${d#./}" |