gateway2/angie-Angie-1.11.8/auto/endianness
2026-08-14 18:56:28 +08:00

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# Copyright (C) 2024 Web Server LLC
# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.
if check_cache "little endian" "endianness"; then
return
fi
echo $ngx_n "checking for system byte ordering ...$ngx_c"
cat << END >> $NGX_AUTOCONF_ERR
----------------------------------------
checking for system byte ordering
END
ngx_found=no
cat << END > $NGX_AUTOTEST.c
int main(void) {
int i = 0x11223344;
char *p;
p = (char *) &i;
if (*p == 0x44) return 0;
return 1;
}
END
ngx_test="($CC -c $CC_TEST_FLAGS $CC_AUX_FLAGS \
-o $NGX_AUTOTEST.o $NGX_AUTOTEST.c && \
$CC $CC_TEST_FLAGS $CC_AUX_FLAGS \
-o $NGX_AUTOTEST $NGX_AUTOTEST.o $NGX_LD_OPT $ngx_feature_libs)"
eval "$ngx_test >> $NGX_AUTOCONF_ERR 2>&1"
if [ -x $NGX_AUTOTEST ]; then
if runtest "endianness" ""; then
echo " little endian"
have=NGX_HAVE_LITTLE_ENDIAN . auto/have
ngx_found=yes
else
echo " big endian"
fi
rm -rf $NGX_AUTOTEST*
else
rm -rf $NGX_AUTOTEST*
echo
echo "$0: error: cannot detect system byte ordering"
exit 1
fi
if [ $NGX_FEATURE_CACHE = NO ]; then
return
fi
cache_output_start
echo "ngx_found=$ngx_found"
if [ $ngx_found = yes ]; then
echo "have=NGX_HAVE_LITTLE_ENDIAN . auto/have"
fi
cache_output_end