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# Copyright (C) Igor Sysoev
# Copyright (C) NGINX, Inc.
# Linux 3.17 with glibc 2.25, FreeBSD 12, Solaris 11.3.
nxt_feature="getrandom()"
nxt_feature_name=NXT_HAVE_GETRANDOM
nxt_feature_run=yes
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <unistd.h>
#include <sys/random.h>
int main() {
char buf[4];
if (getrandom(buf, 4, 0) < 0) {
return 1;
}
return 0;
}"
. auto/feature
if [ $nxt_found = no ]; then
# Linux 3.17 SYS_getrandom.
nxt_feature="SYS_getrandom in Linux"
nxt_feature_name=NXT_HAVE_LINUX_SYS_GETRANDOM
nxt_feature_test="#include <unistd.h>
#include <sys/syscall.h>
#include <linux/random.h>
int main() {
char buf[4];
if (syscall(SYS_getrandom, buf, 4, 0) < 0) {
return 1;
}
return 0;
}"
. auto/feature
fi
if [ $nxt_found = no ]; then
# OpenBSD 5.6 lacks <sys/random.h>.
nxt_feature="getentropy()"
nxt_feature_name=NXT_HAVE_GETENTROPY
nxt_feature_test="#include <unistd.h>
int main() {
char buf[4];
if (getentropy(buf, 4) == -1) {
return 1;
}
return 0;
}"
. auto/feature
fi
if [ $nxt_found = no ]; then
# macOS 10.12.
nxt_feature="getentropy() in sys/random.h"
nxt_feature_name=NXT_HAVE_GETENTROPY_SYS_RANDOM
nxt_feature_test="#include <unistd.h>
#include <sys/random.h>
int main() {
char buf[4];
if (getentropy(buf, 4) == -1) {
return 1;
}
return 0;
}"
. auto/feature
fi
nxt_feature="ucontext"
nxt_feature_name=NXT_HAVE_UCONTEXT
nxt_feature_run=
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <stdlib.h>
#include <ucontext.h>
int main() {
ucontext_t uc;
if (getcontext(&uc) == 0) {
makecontext(&uc, NULL, 0);
setcontext(&uc);
}
return 0;
}"
. auto/feature
if [ $nxt_found = no ]; then
# MacOSX 10.6 (Snow Leopard) has deprecated ucontext
# and requires _XOPEN_SOURCE to be defined.
nxt_feature="_XOPEN_SOURCE ucontext"
nxt_feature_name=NXT_HAVE_UCONTEXT
nxt_feature_run=
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#define _XOPEN_SOURCE
#include <stdlib.h>
#include <ucontext.h>
int main() {
ucontext_t uc;
if (getcontext(&uc) == 0) {
makecontext(&uc, NULL, 0);
setcontext(&uc);
}
return 0;
}"
. auto/feature
fi
# FreeBSD dlopen() is in libc.
# MacOSX libdl.dylib is a symlink to libSystem.dylib.
# GCC5 AddressSanitizer intercepts dlopen() and dlclose() but not dlsym()
# so all dynamic linker functions should be tested.
NXT_LIBDL=
nxt_feature="dlopen()"
nxt_feature_name=NXT_HAVE_DLOPEN
nxt_feature_run=
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <stdlib.h>
#include <dlfcn.h>
int main() {
void *h = dlopen(NULL, RTLD_NOW | RTLD_GLOBAL);
dlsym(h, \"\");
dlclose(h);
return 0;
}"
. auto/feature
if [ $nxt_found = no ]; then
# Linux and Solaris prior to 10 require libdl.
# Solaris 10 libdl.so.1 is a filter to /usr/lib/ld.so.1.
nxt_feature="dlopen() in libdl"
nxt_feature_libs="-ldl"
. auto/feature
if [ $nxt_found = yes ]; then
NXT_LIBDL="-ldl"
fi
fi
nxt_feature="posix_spawn()"
nxt_feature_name=NXT_HAVE_POSIX_SPAWN
nxt_feature_run=
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <spawn.h>
#include <unistd.h>
int main(int argc, char *argv[]) {
(void) posix_spawn(NULL, \"\", NULL, NULL, argv, NULL);
return 0;
}"
. auto/feature
# NetBSD 1.0, OpenBSD 1.0, FreeBSD 2.2 setproctitle().
nxt_feature="setproctitle()"
nxt_feature_name=NXT_HAVE_SETPROCTITLE
nxt_feature_run=
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <stdlib.h>
#include <unistd.h>
int main() {
setproctitle(\"%s\", \"title\");
return 0;
}"
. auto/feature
# Linux, FreeBSD, Solaris getgrouplist()
nxt_feature="getgrouplist()"
nxt_feature_name=NXT_HAVE_GETGROUPLIST
nxt_feature_run=
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <unistd.h>
#include <grp.h>
int main() {
getgrouplist(\"root\", 0, NULL, NULL);
return 0;
}"
. auto/feature
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