# Valid USE_* options are enumerated in the "use_opts" variable and are listed
# below. Most of them are automatically set by the TARGET, others have to be
# explicitly specified :
-# USE_EPOLL : enable epoll() on Linux 2.6. Automatic.
-# USE_KQUEUE : enable kqueue() on BSD. Automatic.
-# USE_EVPORTS : enable event ports on SunOS systems. Automatic.
-# USE_NETFILTER : enable netfilter on Linux. Automatic.
-# USE_PCRE : enable use of libpcre for regex. Recommended.
-# USE_PCRE_JIT : enable JIT for faster regex on libpcre >= 8.32
-# USE_PCRE2 : enable use of libpcre2 for regex.
-# USE_PCRE2_JIT : enable JIT for faster regex on libpcre2
-# USE_POLL : enable poll(). Automatic.
-# USE_THREAD : enable threads support.
-# USE_STATIC_PCRE : enable static libpcre. Recommended.
-# USE_STATIC_PCRE2 : enable static libpcre2.
-# USE_TPROXY : enable transparent proxy. Automatic.
-# USE_LINUX_TPROXY : enable full transparent proxy. Automatic.
-# USE_LINUX_SPLICE : enable kernel 2.6 splicing. Automatic.
-# USE_LIBCRYPT : enable encrypted passwords using -lcrypt
-# USE_CRYPT_H : set it if your system requires including crypt.h
-# USE_GETADDRINFO : use getaddrinfo() to resolve IPv6 host names.
-# USE_OPENSSL : enable use of OpenSSL. Recommended, but see below.
-# USE_OPENSSL_WOLFSSL : enable use of wolfSSL with the OpenSSL API
-# USE_QUIC : enable use of QUIC with the quictls API (quictls, libressl, boringssl)
+# USE_EPOLL : enable epoll() on Linux 2.6. Automatic.
+# USE_KQUEUE : enable kqueue() on BSD. Automatic.
+# USE_EVPORTS : enable event ports on SunOS systems. Automatic.
+# USE_NETFILTER : enable netfilter on Linux. Automatic.
+# USE_PCRE : enable use of libpcre for regex. Recommended.
+# USE_PCRE_JIT : enable JIT for faster regex on libpcre >= 8.32
+# USE_PCRE2 : enable use of libpcre2 for regex.
+# USE_PCRE2_JIT : enable JIT for faster regex on libpcre2
+# USE_POLL : enable poll(). Automatic.
+# USE_THREAD : enable threads support.
+# USE_STATIC_PCRE : enable static libpcre. Recommended.
+# USE_STATIC_PCRE2 : enable static libpcre2.
+# USE_TPROXY : enable transparent proxy. Automatic.
+# USE_LINUX_TPROXY : enable full transparent proxy. Automatic.
+# USE_LINUX_SPLICE : enable kernel 2.6 splicing. Automatic.
+# USE_LIBCRYPT : enable encrypted passwords using -lcrypt
+# USE_CRYPT_H : set it if your system requires including crypt.h
+# USE_GETADDRINFO : use getaddrinfo() to resolve IPv6 host names.
+# USE_OPENSSL : enable use of OpenSSL. Recommended, but see below.
+# USE_OPENSSL_WOLFSSL : enable use of wolfSSL with the OpenSSL API
+# USE_QUIC : enable use of QUIC with the quictls API (quictls, libressl, boringssl)
# USE_QUIC_OPENSSL_COMPAT : enable use of QUIC with the standard openssl API (limited features)
-# USE_ENGINE : enable use of OpenSSL Engine.
-# USE_LUA : enable Lua support.
-# USE_ACCEPT4 : enable use of accept4() on linux. Automatic.
-# USE_CLOSEFROM : enable use of closefrom() on *bsd, solaris. Automatic.
-# USE_PRCTL : enable use of prctl(). Automatic.
-# USE_PROCCTL : enable use of procctl(). Automatic.
-# USE_ZLIB : enable zlib library support and disable SLZ
-# USE_SLZ : enable slz library instead of zlib (default=enabled)
-# USE_CPU_AFFINITY : enable pinning processes to CPU on Linux. Automatic.
-# USE_TFO : enable TCP fast open. Supported on Linux >= 3.7.
-# USE_NS : enable network namespace support. Supported on Linux >= 2.6.24.
-# USE_DL : enable it if your system requires -ldl. Automatic on Linux.
-# USE_MATH : enable use of -lm. Automatic.
-# USE_RT : enable it if your system requires -lrt. Automatic on Linux.
-# USE_BACKTRACE : enable backtrace(). Automatic on Linux.
-# USE_PROMEX : enable the Prometheus exporter
-# USE_DEVICEATLAS : enable DeviceAtlas api.
-# USE_51DEGREES : enable third party device detection library from 51Degrees
-# USE_WURFL : enable WURFL detection library from Scientiamobile
-# USE_SYSTEMD : enable sd_notify() support.
-# USE_OBSOLETE_LINKER : use when the linker fails to emit __start_init/__stop_init
-# USE_THREAD_DUMP : use the more advanced thread state dump system. Automatic.
-# USE_OT : enable the OpenTracing filter
-# USE_MEMORY_PROFILING : enable the memory profiler. Linux-glibc only.
-# USE_LIBATOMIC : force to link with/without libatomic. Automatic.
-# USE_PTHREAD_EMULATION: replace pthread's rwlocks with ours
-# USE_SHM_OPEN : use shm_open() for the startup-logs
+# USE_ENGINE : enable use of OpenSSL Engine.
+# USE_LUA : enable Lua support.
+# USE_ACCEPT4 : enable use of accept4() on linux. Automatic.
+# USE_CLOSEFROM : enable use of closefrom() on *bsd, solaris. Automatic.
+# USE_PRCTL : enable use of prctl(). Automatic.
+# USE_PROCCTL : enable use of procctl(). Automatic.
+# USE_ZLIB : enable zlib library support and disable SLZ
+# USE_SLZ : enable slz library instead of zlib (default=enabled)
+# USE_CPU_AFFINITY : enable pinning processes to CPU on Linux. Automatic.
+# USE_TFO : enable TCP fast open. Supported on Linux >= 3.7.
+# USE_NS : enable network namespace support. Supported on Linux >= 2.6.24.
+# USE_DL : enable it if your system requires -ldl. Automatic on Linux.
+# USE_MATH : enable use of -lm. Automatic.
+# USE_RT : enable it if your system requires -lrt. Automatic on Linux.
+# USE_BACKTRACE : enable backtrace(). Automatic on Linux.
+# USE_PROMEX : enable the Prometheus exporter
+# USE_DEVICEATLAS : enable DeviceAtlas api.
+# USE_51DEGREES : enable third party device detection library from 51Degrees
+# USE_WURFL : enable WURFL detection library from Scientiamobile
+# USE_SYSTEMD : enable sd_notify() support.
+# USE_OBSOLETE_LINKER : use when the linker fails to emit __start_init/__stop_init
+# USE_THREAD_DUMP : use the more advanced thread state dump system. Automatic.
+# USE_OT : enable the OpenTracing filter
+# USE_MEMORY_PROFILING : enable the memory profiler. Linux-glibc only.
+# USE_LIBATOMIC : force to link with/without libatomic. Automatic.
+# USE_PTHREAD_EMULATION : replace pthread's rwlocks with ours
+# USE_SHM_OPEN : use shm_open() for the startup-logs
#
# Options can be forced by specifying "USE_xxx=1" or can be disabled by using
# "USE_xxx=" (empty string). The list of enabled and disabled options for a