# Copyright (C) 2024 Web Server LLC
# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


if check_cache "$ngx_include" "include"; then
    return
fi

echo $ngx_n "checking for $ngx_include ...$ngx_c"

cat << END >> $NGX_AUTOCONF_ERR

----------------------------------------
checking for $ngx_include

END


ngx_found=no

cat << END > $NGX_AUTOTEST.c

$NGX_INCLUDE_SYS_PARAM_H
#include <$ngx_include>

int main(void) {
    return 0;
}

END


ngx_test="($CC -c -o $NGX_AUTOTEST.o $NGX_AUTOTEST.c && \
           $CC -o $NGX_AUTOTEST $NGX_AUTOTEST.o)"

eval "$ngx_test >> $NGX_AUTOCONF_ERR 2>&1"

if [ -x $NGX_AUTOTEST ]; then

    ngx_found=yes

    echo " found"

    name2macro "$ngx_include"
    ngx_name="$res"

    have=NGX_HAVE_$ngx_name . auto/have_headers

    eval "NGX_INCLUDE_$ngx_name='#include <$ngx_include>'"

else
    echo " not found"

    echo "----------"    >> $NGX_AUTOCONF_ERR
    cat $NGX_AUTOTEST.c  >> $NGX_AUTOCONF_ERR
    echo "----------"    >> $NGX_AUTOCONF_ERR
    echo $ngx_test       >> $NGX_AUTOCONF_ERR
    echo "----------"    >> $NGX_AUTOCONF_ERR
fi

rm -rf $NGX_AUTOTEST*

if [ $NGX_FEATURE_CACHE = NO ]; then
    return
fi

cache_output_start

echo "ngx_found=$ngx_found"

if [ $ngx_found = yes ]; then
    echo "have=NGX_HAVE_$ngx_name . auto/have_headers"
    echo "NGX_INCLUDE_$ngx_name='#include <$ngx_include>'"
fi

cache_output_end