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# Copyright (C) Igor Sysoev
# Copyright (C) NGINX, Inc.
# Sizes of C types.
# "-Wall -Werror" or similar constraints in default CFLAGS may require
# to use "%zu" format to printf() result of sizeof(). But "%zu" may
# be unavailable, so the "(int)" cast is a simple and portable solution:
# printf("%d", (int) sizeof(TYPE));
njs_feature="sizeof(int)"
njs_feature_name=NJS_INT_SIZE
njs_feature_run=value
njs_feature_incs=
njs_feature_libs=
njs_feature_test="#include <stdio.h>
int main() {
printf(\"%d\", (int) sizeof(int));
return 0;
}"
. auto/feature
njs_feature="sizeof(u_int)"
njs_feature_name=NJS_UINT_SIZE
njs_feature_run=value
njs_feature_incs=
njs_feature_libs=
njs_feature_test="#include <sys/types.h>
#include <stdio.h>
int main() {
printf(\"%d\", (int) sizeof(u_int));
return 0;
}"
. auto/feature
njs_feature="sizeof(void *)"
njs_feature_name=NJS_PTR_SIZE
njs_feature_run=value
njs_feature_incs=
njs_feature_libs=
njs_feature_test="#include <stdio.h>
int main() {
printf(\"%d\", (int) sizeof(void *));
return 0;
}"
. auto/feature
njs_feature="sizeof(uintptr_t)"
njs_feature_name=NJS_UINTPTR_T_SIZE
njs_feature_run=value
njs_feature_incs=
njs_feature_libs=
njs_feature_test="#include <stdint.h>
#include <stdio.h>
int main() {
printf(\"%d\", (int) sizeof(uintptr_t));
return 0;
}"
. auto/feature
case "$njs_feature_value" in
8) NJS_64BIT=1 ;;
*) NJS_64BIT=0 ;;
esac
njs_feature="sizeof(size_t)"
njs_feature_name=NJS_SIZE_T_SIZE
njs_feature_run=value
njs_feature_incs=
njs_feature_libs=
njs_feature_test="#include <stdio.h>
int main() {
printf(\"%d\", (int) sizeof(size_t));
return 0;
}"
. auto/feature
njs_feature="sizeof(off_t)"
njs_feature_name=NJS_OFF_T_SIZE
njs_feature_run=value
njs_feature_incs=
njs_feature_libs=
njs_feature_test="#define _FILE_OFFSET_BITS 64
#include <unistd.h>
#include <stdio.h>
int main() {
printf(\"%d\", (int) sizeof(off_t));
return 0;
}"
. auto/feature
njs_feature="sizeof(time_t)"
njs_feature_name=NJS_TIME_T_SIZE
njs_feature_run=value
njs_feature_incs=
njs_feature_libs=
njs_feature_test="#include <time.h>
#include <stdio.h>
int main(void) {
printf(\"%d\", (int) sizeof(time_t));
return 0;
}"
. auto/feature
# Ensuring that double type is always evaluated at standard
# precision required by njs_diyfp_t
case $NJS_CC_NAME in
gcc)
NJS_CFLAGS="$NJS_CFLAGS -fexcess-precision=standard"
;;
clang)
njs_found=no
njs_feature="flag -ffp-eval-method=double"
njs_feature_name=NJS_HAVE_FP_EVAL_METHOD
njs_feature_run=no
njs_feature_incs="-ffp-eval-method=double"
njs_feature_libs=
njs_feature_test="int main(void) {
return 0;
}"
. auto/feature
if [ $njs_found = yes ]; then
NJS_CFLAGS="$NJS_CFLAGS -ffp-eval-method=double"
fi
;;
SunC)
njs_found=no
njs_feature="flag -xarch=sse2"
njs_feature_name=NJS_HAVE_XARCH_SSE2
njs_feature_run=no
njs_feature_incs="-xarch=sse2"
njs_feature_libs=
njs_feature_test="int main(void) {
return 0;
}"
. auto/feature
if [ $njs_found = yes ]; then
NJS_CFLAGS="$NJS_CFLAGS -xarch=sse2"
fi
;;
esac
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