diff options
Diffstat (limited to 'src/seastar/dpdk/devtools/check-includes.sh')
| -rwxr-xr-x | src/seastar/dpdk/devtools/check-includes.sh | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/src/seastar/dpdk/devtools/check-includes.sh b/src/seastar/dpdk/devtools/check-includes.sh new file mode 100755 index 000000000..3629ab4c7 --- /dev/null +++ b/src/seastar/dpdk/devtools/check-includes.sh @@ -0,0 +1,260 @@ +#!/bin/sh -e +# SPDX-License-Identifier: BSD-3-Clause +# Copyright 2016 6WIND S.A. + +# This script checks that header files in a given directory do not miss +# dependencies when included on their own, do not conflict and accept being +# compiled with the strictest possible flags. +# +# Files are looked up in the directory provided as the first argument, +# otherwise build/include by default. +# +# Recognized environment variables: +# +# VERBOSE=1 is the same as -v. +# +# QUIET=1 is the same as -q. +# +# SUMMARY=1 is the same as -s. +# +# CC, CPPFLAGS, CFLAGS, EXTRA_CPPFLAGS, EXTRA_CFLAGS, CXX, CXXFLAGS and +# EXTRA_CXXFLAGS are taken into account. +# +# PEDANTIC_CFLAGS, PEDANTIC_CXXFLAGS and PEDANTIC_CPPFLAGS provide strict +# C/C++ compilation flags. +# +# IGNORE contains a list of shell patterns matching files (relative to the +# include directory) to avoid. It is set by default to known DPDK headers +# which must not be included on their own. +# +# IGNORE_CXX provides additional files for C++. + +while getopts hqvs arg; do + case $arg in + h) + cat <<EOF +usage: $0 [-h] [-q] [-v] [-s] [DIR] + +This script checks that header files in a given directory do not miss +dependencies when included on their own, do not conflict and accept being +compiled with the strictest possible flags. + + -h display this help and exit + -q quiet mode, disable normal output + -v show command lines being executed + -s show summary + +With no DIR, default to build/include. + +Any failed header check yields a nonzero exit status. +EOF + exit + ;; + q) + QUIET=1 + ;; + v) + VERBOSE=1 + ;; + s) + SUMMARY=1 + ;; + *) + exit 1 + ;; + esac +done + +shift $(($OPTIND - 1)) + +include_dir=${1:-build/include} + +: ${PEDANTIC_CFLAGS=-std=c99 -pedantic -Wall -Wextra -Werror} +: ${PEDANTIC_CXXFLAGS=} +: ${PEDANTIC_CPPFLAGS=-D_XOPEN_SOURCE=600} +: ${CC:=cc} +: ${CXX:=c++} +: ${IGNORE= \ + 'rte_atomic_32.h' \ + 'rte_atomic_64.h' \ + 'rte_byteorder_32.h' \ + 'rte_byteorder_64.h' \ + 'generic/*' \ + 'rte_vhost.h' \ + 'rte_eth_vhost.h' \ + 'rte_eal_interrupts.h' \ +} +: ${IGNORE_CXX= \ + 'rte_vhost.h' \ + 'rte_eth_vhost.h' \ +} + +temp_cc=$(mktemp -t dpdk.${0##*/}.XXX.c) +pass_cc= +failures_cc=0 + +temp_cxx=$(mktemp -t dpdk.${0##*/}.XXX.cc) +pass_cxx= +failures_cxx=0 + +# Process output parameters. + +[ "$QUIET" = 1 ] && +exec 1> /dev/null + +[ "$VERBOSE" = 1 ] && +output () +{ + local CCV + local CXXV + + shift + CCV=$CC + CXXV=$CXX + CC="echo $CC" CXX="echo $CXX" "$@" + CC=$CCV + CXX=$CXXV + + "$@" +} || +output () +{ + + printf ' %s\n' "$1" + shift + "$@" +} + +trap 'rm -f "$temp_cc" "$temp_cxx"' EXIT + +compile_cc () +{ + ${CC} -I"$include_dir" \ + ${PEDANTIC_CPPFLAGS} ${CPPFLAGS} ${EXTRA_CPPFLAGS} \ + ${PEDANTIC_CFLAGS} ${CFLAGS} ${EXTRA_CFLAGS} \ + -c -o /dev/null "${temp_cc}" +} + +compile_cxx () +{ + ${CXX} -I"$include_dir" \ + ${PEDANTIC_CPPFLAGS} ${CPPFLAGS} ${EXTRA_CPPFLAGS} \ + ${PEDANTIC_CXXFLAGS} ${CXXFLAGS} ${EXTRA_CXXFLAGS} \ + -c -o /dev/null "${temp_cxx}" +} + +ignore () +{ + file="$1" + shift + while [ $# -ne 0 ]; do + case "$file" in + $1) + return 0 + ;; + esac + shift + done + return 1 +} + +# Check C/C++ compilation for each header file. + +while read -r path +do + file=${path#$include_dir} + file=${file##/} + if ignore "$file" $IGNORE; then + output "SKIP $file" : + continue + fi + if printf "\ +#include <%s> + +int main(void) +{ + return 0; +} +" "$file" > "$temp_cc" && + output "CC $file" compile_cc + then + pass_cc="$pass_cc $file" + else + failures_cc=$(($failures_cc + 1)) + fi + if ignore "$file" $IGNORE_CXX; then + output "SKIP CXX $file" : + continue + fi + if printf "\ +#include <%s> + +int main() +{ +} +" "$file" > "$temp_cxx" && + output "CXX $file" compile_cxx + then + pass_cxx="$pass_cxx $file" + else + failures_cxx=$(($failures_cxx + 1)) + fi +done <<EOF +$(find "$include_dir" -name '*.h') +EOF + +# Check C compilation with all includes. + +: > "$temp_cc" && +for file in $pass_cc; do + printf "\ +#include <%s> +" "$file" >> $temp_cc +done +if printf "\ +int main(void) +{ + return 0; +} +" >> "$temp_cc" && + output "CC (all includes that did not fail)" compile_cc +then + : +else + failures_cc=$(($failures_cc + 1)) +fi + +# Check C++ compilation with all includes. + +: > "$temp_cxx" && +for file in $pass_cxx; do + printf "\ +#include <%s> +" "$file" >> $temp_cxx +done +if printf "\ +int main() +{ +} +" >> "$temp_cxx" && + output "CXX (all includes that did not fail)" compile_cxx +then + : +else + failures_cxx=$(($failures_cxx + 1)) +fi + +# Report results. + +if [ "$SUMMARY" = 1 ]; then + printf "\ +Summary: + %u failure(s) for C using '%s'. + %u failure(s) for C++ using '%s'. +" $failures_cc "$CC" $failures_cxx "$CXX" 1>&2 +fi + +# Exit with nonzero status if there are failures. + +[ $failures_cc -eq 0 ] && +[ $failures_cxx -eq 0 ] |