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|
#!/bin/sh
#
# set temporary file name
if test ! -z "$TMPDIR" ; then
TMPDIR1="${TMPDIR}"
elif test ! -z "$TEMPDIR" ; then
TMPDIR1="${TEMPDIR}"
else
TMPDIR1="/tmp"
fi
cc=gcc
TMPC="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}.c"
TMPC2="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}-2.c"
TMPO="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}.o"
TMPE="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}.exe"
# NB: do not call "exit" in the trap handler; this is buggy with some shells;
# see <1285349658-3122-1-git-send-email-loic.minier@linaro.org>
trap "rm -f $TMPC $TMPC2 $TMPO $TMPE" EXIT INT QUIT TERM
rm -rf config.log
config_host_mak="config-host.mak"
config_host_h="config-host.h"
rm -rf $config_host_mak
rm -rf $config_host_h
fatal() {
echo $@
echo "Configure failed, check config.log and/or the above output"
rm -rf $config_host_mak
rm -rf $config_host_h
exit 1
}
# Print result for each configuration test
print_config() {
printf "%-30s%s\n" "$1" "$2"
}
# Default CFLAGS
CFLAGS="-D_GNU_SOURCE -include config-host.h"
BUILD_CFLAGS=""
# Print configure header at the top of $config_host_h
echo "/*" > $config_host_h
echo " * Automatically generated by configure - do not modify" >> $config_host_h
printf " * Configured with:" >> $config_host_h
printf " * '%s'" "$0" "$@" >> $config_host_h
echo "" >> $config_host_h
echo " */" >> $config_host_h
echo "# Automatically generated by configure - do not modify" > $config_host_mak
printf "# Configured with:" >> $config_host_mak
printf " '%s'" "$0" "$@" >> $config_host_mak
echo >> $config_host_mak
do_cc() {
# Run the compiler, capturing its output to the log.
echo $cc "$@" >> config.log
$cc "$@" >> config.log 2>&1 || return $?
# Test passed. If this is an --enable-werror build, rerun
# the test with -Werror and bail out if it fails. This
# makes warning-generating-errors in configure test code
# obvious to developers.
if test "$werror" != "yes"; then
return 0
fi
# Don't bother rerunning the compile if we were already using -Werror
case "$*" in
*-Werror*)
return 0
;;
esac
echo $cc -Werror "$@" >> config.log
$cc -Werror "$@" >> config.log 2>&1 && return $?
echo "ERROR: configure test passed without -Werror but failed with -Werror."
echo "This is probably a bug in the configure script. The failing command"
echo "will be at the bottom of config.log."
fatal "You can run configure with --disable-werror to bypass this check."
}
compile_object() {
do_cc $CFLAGS -c -o $TMPO $TMPC
}
compile_prog() {
local_cflags="$1"
local_ldflags="$2 $LIBS"
echo "Compiling test case $3" >> config.log
do_cc $CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
}
has() {
type "$1" >/dev/null 2>&1
}
output_sym() {
echo "$1=y" >> $config_host_mak
echo "#define $1" >> $config_host_h
}
##########################################
# check for __kernel_rwf_t
__kernel_rwf_t="no"
cat > $TMPC << EOF
#include <linux/fs.h>
int main(int argc, char **argv)
{
__kernel_rwf_t x;
x = 0;
return x;
}
EOF
if compile_prog "" "" "__kernel_rwf_t"; then
__kernel_rwf_t="yes"
fi
print_config "__kernel_rwf_t" "$__kernel_rwf_t"
#############################################################################
if test "$__kernel_rwf_t" = "yes"; then
output_sym "CONFIG_HAVE_KERNEL_RWF_T"
fi
|
