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genconfigheader: use lazysponge for file management

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Remove file management from `genconfigheader` script and use `lazysponge` in
Makefile.include.

Use --verbose option when in non QUIET building mode.
This commit is contained in:
Gaëtan Harter 2018-03-16 18:13:12 +01:00 committed by cladmi
parent 94f2a499a3
commit cc63d2d21c
No known key found for this signature in database
GPG Key ID: 76DF6BCF1B1F883B
2 changed files with 12 additions and 51 deletions
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3
Makefile.include
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@ -680,7 +680,8 @@ include $(RIOTTOOLS)/desvirt/Makefile.desvirt
# The script will only touch the file if anything has changed since last time.
$(RIOTBUILD_CONFIG_HEADER_C): FORCE
@mkdir -p '$(dir $@)'
$(Q)'$(RIOTTOOLS)/genconfigheader/genconfigheader.sh' '$@' $(CFLAGS_WITH_MACROS)
$(Q)'$(RIOTTOOLS)/genconfigheader/genconfigheader.sh' $(CFLAGS_WITH_MACROS) \
| '$(LAZYSPONGE)' $(LAZYSPONGE_FLAGS) '$@'
CFLAGS_WITH_MACROS := $(CFLAGS)

60
dist/tools/genconfigheader/genconfigheader.sh vendored
View File

@ -7,43 +7,18 @@
# Public License v2.1. See the file LICENSE in the top level directory for more
# details.
#
DEBUG=0
if [ "${QUIET}" != "1" ]; then
DEBUG=1
fi
if [ $# -lt 1 ]; then
echo "Usage: $0 <output.h> [CFLAGS]..."
echo "Extract all macros from CFLAGS and generate a header file"
exit 1
fi
OUTPUTFILE="$1"
shift
MD5SUM=md5sum
if [ "$(uname -s)" = "Darwin" -o "$(uname -s)" = "FreeBSD" ]; then
MD5SUM="md5 -r"
fi
# atomically update the file
TMPFILE=
trap '[ -n "${TMPFILE}" ] && rm -f "${TMPFILE}"' EXIT
# Create temporary output file
TMPFILE=$(mktemp ${OUTPUTFILE}.XXXXXX)
if [ -z "${TMPFILE}" ]; then
echo "Error creating temporary file, aborting"
exit 1
fi
# Usage: $0 [CFLAGS]...
#
# Extract all macros from CFLAGS and generate a header file format"
#
# exit on any errors below this line
set -e
echo "/* DO NOT edit this file, your changes will be overwritten and won't take any effect! */" > "${TMPFILE}"
echo "/* Generated from CFLAGS: $@ */" >> "${TMPFILE}"
echo "/* DO NOT edit this file, your changes will be overwritten and won't take any effect! */"
echo "/* Generated from CFLAGS: $@ */"
[ -n "${LTOFLAGS}" ] && echo "/* LTOFLAGS=${LTOFLAGS} */" >> "${TMPFILE}"
[ -n "${LTOFLAGS}" ] && echo "/* LTOFLAGS=${LTOFLAGS} */"
for arg in "$@"; do
case ${arg} in
@ -54,34 +29,19 @@ for arg in "$@"; do
# key=value pairs
key=${d%%=*}
value=${d#*=}
echo "#define $key $value" >> "${TMPFILE}"
echo "#define $key $value"
else
# simple #define
echo "#define $d 1" >> "${TMPFILE}"
echo "#define $d 1"
fi
;;
-U*)
# Strip leading -U
d=${arg#-U}
echo "#undef $d" >> "${TMPFILE}"
echo "#undef $d"
;;
*)
continue
;;
esac
done
# Only replace old file if the new file differs. This allows make to check the
# date of the config header for dependency calculations.
NEWMD5=$(${MD5SUM} ${TMPFILE} | cut -c -32)
OLDMD5=$(${MD5SUM} ${OUTPUTFILE} 2>/dev/null | cut -c -32)
if [ "${NEWMD5}" != "${OLDMD5}" ]; then
if [ "${DEBUG}" -eq 1 ]; then echo "Replacing ${OUTPUTFILE} (${NEWMD5} != ${OLDMD5})"; fi
# Set mode according to umask
chmod +rw "${TMPFILE}"
mv -f "${TMPFILE}" "${OUTPUTFILE}"
else
if [ "${DEBUG}" -eq 1 ]; then echo "Keeping old ${OUTPUTFILE}"; fi
fi
# $TMPFILE will be deleted by the EXIT trap above if it still exists when we exit