################################################################################
  #
  # php
  #
  ################################################################################
  
  PHP_VERSION = 7.0.9
  PHP_SITE = http://www.php.net/distributions
  PHP_SOURCE = php-$(PHP_VERSION).tar.xz
  PHP_INSTALL_STAGING = YES
  PHP_INSTALL_STAGING_OPTS = INSTALL_ROOT=$(STAGING_DIR) install
  PHP_INSTALL_TARGET_OPTS = INSTALL_ROOT=$(TARGET_DIR) install
  PHP_DEPENDENCIES = host-pkgconf
  PHP_LICENSE = PHP
  PHP_LICENSE_FILES = LICENSE
  PHP_CONF_OPTS = \
  	--mandir=/usr/share/man \
  	--infodir=/usr/share/info \
  	--disable-all \
  	--without-pear \
  	--with-config-file-path=/etc \
  	--disable-rpath
  PHP_CONF_ENV = \
  	ac_cv_func_strcasestr=yes \
  	EXTRA_LIBS="$(PHP_EXTRA_LIBS)"
  
  ifeq ($(BR2_STATIC_LIBS),y)
  PHP_CONF_ENV += LIBS="$(PHP_STATIC_LIBS)"
  endif
  
  ifeq ($(BR2_STATIC_LIBS)$(BR2_TOOLCHAIN_HAS_THREADS),yy)
  PHP_STATIC_LIBS += -lpthread
  endif
  
  ifeq ($(call qstrip,$(BR2_TARGET_LOCALTIME)),)
  PHP_LOCALTIME = UTC
  else
  # Not q-stripping this value, as we need quotes in the php.ini file
  PHP_LOCALTIME = $(BR2_TARGET_LOCALTIME)
  endif
  
  # PHP can't be AUTORECONFed the standard way unfortunately
  PHP_DEPENDENCIES += host-autoconf host-automake host-libtool
  define PHP_BUILDCONF
  	cd $(@D) ; $(TARGET_MAKE_ENV) ./buildconf --force
  endef
  PHP_PRE_CONFIGURE_HOOKS += PHP_BUILDCONF
  
  ifeq ($(BR2_ENDIAN),"BIG")
  PHP_CONF_ENV += ac_cv_c_bigendian_php=yes
  else
  PHP_CONF_ENV += ac_cv_c_bigendian_php=no
  endif
  PHP_CONFIG_SCRIPTS = php-config
  
  PHP_CFLAGS = $(TARGET_CFLAGS)
  
  # The OPcache extension isn't cross-compile friendly
  # Throw some defines here to avoid patching heavily
  ifeq ($(BR2_PACKAGE_PHP_EXT_OPCACHE),y)
  PHP_CONF_OPTS += --enable-opcache
  PHP_CONF_ENV += ac_cv_func_mprotect=yes
  PHP_CFLAGS += \
  	-DHAVE_SHM_IPC \
  	-DHAVE_SHM_MMAP_ANON \
  	-DHAVE_SHM_MMAP_ZERO \
  	-DHAVE_SHM_MMAP_POSIX \
  	-DHAVE_SHM_MMAP_FILE
  endif
  
  # We need to force dl "detection"
  ifeq ($(BR2_STATIC_LIBS),)
  PHP_CONF_ENV += ac_cv_func_dlopen=yes ac_cv_lib_dl_dlopen=yes
  PHP_EXTRA_LIBS += -ldl
  else
  PHP_CONF_ENV += ac_cv_func_dlopen=no ac_cv_lib_dl_dlopen=no
  endif
  
  PHP_CONF_OPTS += $(if $(BR2_PACKAGE_PHP_CLI),,--disable-cli)
  PHP_CONF_OPTS += $(if $(BR2_PACKAGE_PHP_CGI),,--disable-cgi)
  PHP_CONF_OPTS += $(if $(BR2_PACKAGE_PHP_FPM),--enable-fpm,--disable-fpm)
  
  ### Extensions
  PHP_CONF_OPTS += \
  	$(if $(BR2_PACKAGE_PHP_EXT_SOCKETS),--enable-sockets) \
  	$(if $(BR2_PACKAGE_PHP_EXT_POSIX),--enable-posix) \
  	$(if $(BR2_PACKAGE_PHP_EXT_SESSION),--enable-session) \
  	$(if $(BR2_PACKAGE_PHP_EXT_HASH),--enable-hash) \
  	$(if $(BR2_PACKAGE_PHP_EXT_DOM),--enable-dom) \
  	$(if $(BR2_PACKAGE_PHP_EXT_SIMPLEXML),--enable-simplexml) \
  	$(if $(BR2_PACKAGE_PHP_EXT_SOAP),--enable-soap) \
  	$(if $(BR2_PACKAGE_PHP_EXT_XML),--enable-xml) \
  	$(if $(BR2_PACKAGE_PHP_EXT_XMLREADER),--enable-xmlreader) \
  	$(if $(BR2_PACKAGE_PHP_EXT_XMLWRITER),--enable-xmlwriter) \
  	$(if $(BR2_PACKAGE_PHP_EXT_EXIF),--enable-exif) \
  	$(if $(BR2_PACKAGE_PHP_EXT_FTP),--enable-ftp) \
  	$(if $(BR2_PACKAGE_PHP_EXT_JSON),--enable-json) \
  	$(if $(BR2_PACKAGE_PHP_EXT_TOKENIZER),--enable-tokenizer) \
  	$(if $(BR2_PACKAGE_PHP_EXT_PCNTL),--enable-pcntl) \
  	$(if $(BR2_PACKAGE_PHP_EXT_SHMOP),--enable-shmop) \
  	$(if $(BR2_PACKAGE_PHP_EXT_SYSVMSG),--enable-sysvmsg) \
  	$(if $(BR2_PACKAGE_PHP_EXT_SYSVSEM),--enable-sysvsem) \
  	$(if $(BR2_PACKAGE_PHP_EXT_SYSVSHM),--enable-sysvshm) \
  	$(if $(BR2_PACKAGE_PHP_EXT_ZIP),--enable-zip) \
  	$(if $(BR2_PACKAGE_PHP_EXT_CTYPE),--enable-ctype) \
  	$(if $(BR2_PACKAGE_PHP_EXT_FILTER),--enable-filter) \
  	$(if $(BR2_PACKAGE_PHP_EXT_CALENDAR),--enable-calendar) \
  	$(if $(BR2_PACKAGE_PHP_EXT_FILEINFO),--enable-fileinfo) \
  	$(if $(BR2_PACKAGE_PHP_EXT_BCMATH),--enable-bcmath) \
  	$(if $(BR2_PACKAGE_PHP_EXT_MBSTRING),--enable-mbstring) \
  	$(if $(BR2_PACKAGE_PHP_EXT_PHAR),--enable-phar)
  
  ifeq ($(BR2_PACKAGE_PHP_EXT_MCRYPT),y)
  PHP_CONF_OPTS += --with-mcrypt=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += libmcrypt
  endif
  
  ifeq ($(BR2_PACKAGE_PHP_EXT_OPENSSL),y)
  PHP_CONF_OPTS += --with-openssl=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += openssl
  # openssl needs zlib, but the configure script forgets to link against
  # it causing detection failures with static linking
  PHP_STATIC_LIBS += `$(PKG_CONFIG_HOST_BINARY) --libs openssl`
  endif
  
  ifeq ($(BR2_PACKAGE_PHP_EXT_LIBXML2),y)
  PHP_CONF_ENV += php_cv_libxml_build_works=yes
  PHP_CONF_OPTS += --enable-libxml --with-libxml-dir=${STAGING_DIR}/usr
  PHP_DEPENDENCIES += libxml2
  endif
  
  ifeq ($(BR2_PACKAGE_PHP_EXT_WDDX),y)
  PHP_CONF_OPTS += --enable-wddx --with-libexpat-dir=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += expat
  endif
  
  ifeq ($(BR2_PACKAGE_PHP_EXT_XMLRPC),y)
  PHP_CONF_OPTS += \
  	--with-xmlrpc \
  	$(if $(BR2_PACKAGE_LIBICONV),--with-iconv-dir=$(STAGING_DIR)/usr)
  PHP_DEPENDENCIES += $(if $(BR2_PACKAGE_LIBICONV),libiconv)
  endif
  
  ifneq ($(BR2_PACKAGE_PHP_EXT_ZLIB)$(BR2_PACKAGE_PHP_EXT_ZIP),)
  PHP_CONF_OPTS += --with-zlib=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += zlib
  endif
  
  ifeq ($(BR2_PACKAGE_PHP_EXT_GETTEXT),y)
  PHP_CONF_OPTS += --with-gettext=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += $(if $(BR2_NEEDS_GETTEXT),gettext)
  endif
  
  ifeq ($(BR2_PACKAGE_PHP_EXT_ICONV),y)
  ifeq ($(BR2_PACKAGE_LIBICONV),y)
  PHP_CONF_OPTS += --with-iconv=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += libiconv
  else
  PHP_CONF_OPTS += --with-iconv
  endif
  endif
  
  ifeq ($(BR2_PACKAGE_PHP_EXT_INTL),y)
  PHP_CONF_OPTS += --enable-intl --with-icu-dir=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += icu
  # The intl module is implemented in C++, but PHP fails to use
  # g++ as the compiler for the final link. As a workaround,
  # tell it to link libstdc++.
  PHP_EXTRA_LIBS += -lstdc++
  endif
  
  ifeq ($(BR2_PACKAGE_PHP_EXT_GMP),y)
  PHP_CONF_OPTS += --with-gmp=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += gmp
  endif
  
  ifeq ($(BR2_PACKAGE_PHP_EXT_READLINE),y)
  PHP_CONF_OPTS += --with-readline=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += readline
  endif
  
  ### Native SQL extensions
  ifeq ($(BR2_PACKAGE_PHP_EXT_MYSQLI),y)
  PHP_CONF_OPTS += --with-mysqli=$(STAGING_DIR)/usr/bin/mysql_config
  PHP_DEPENDENCIES += mysql
  endif
  ifeq ($(BR2_PACKAGE_PHP_EXT_SQLITE),y)
  PHP_CONF_OPTS += --with-sqlite3=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += sqlite
  PHP_STATIC_LIBS += `$(PKG_CONFIG_HOST_BINARY) --libs sqlite3`
  endif
  
  ### PDO
  ifeq ($(BR2_PACKAGE_PHP_EXT_PDO),y)
  PHP_CONF_OPTS += --enable-pdo
  ifeq ($(BR2_PACKAGE_PHP_EXT_PDO_SQLITE),y)
  PHP_CONF_OPTS += --with-pdo-sqlite=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += sqlite
  PHP_CFLAGS += -DSQLITE_OMIT_LOAD_EXTENSION
  endif
  ifeq ($(BR2_PACKAGE_PHP_EXT_PDO_MYSQL),y)
  PHP_CONF_OPTS += --with-pdo-mysql=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += mysql
  endif
  ifeq ($(BR2_PACKAGE_PHP_EXT_PDO_POSTGRESQL),y)
  PHP_CONF_OPTS += --with-pdo-pgsql=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += postgresql
  endif
  ifeq ($(BR2_PACKAGE_PHP_EXT_PDO_UNIXODBC),y)
  PHP_CONF_OPTS += --with-pdo-odbc=unixODBC,$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += unixodbc
  endif
  endif
  
  define PHP_DISABLE_PCRE_JIT
  	$(SED) '/^#define SUPPORT_JIT/d' $(@D)/ext/pcre/pcrelib/config.h
  endef
  
  ### Use external PCRE if it's available
  ifeq ($(BR2_PACKAGE_PCRE),y)
  PHP_CONF_OPTS += --with-pcre-regex=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += pcre
  else
  # The bundled pcre library is not configurable through ./configure options,
  # and by default is configured to be thread-safe, so it wants pthreads. So
  # we must explicitly tell it when we don't have threads.
  ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),)
  PHP_CFLAGS += -DSLJIT_SINGLE_THREADED=1
  endif
  # check ext/pcre/pcrelib/sljit/sljitConfigInternal.h for supported archs
  ifeq ($(BR2_i386)$(BR2_x86_64)$(BR2_arm)$(BR2_armeb)$(BR2_aarch64)$(BR2_mips)$(BR2_mipsel)$(BR2_mips64)$(BR2_mips64el)$(BR2_powerpc)$(BR2_sparc),)
  PHP_POST_CONFIGURE_HOOKS += PHP_DISABLE_PCRE_JIT
  endif
  endif
  
  ifeq ($(BR2_PACKAGE_PHP_EXT_CURL),y)
  PHP_CONF_OPTS += --with-curl=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += libcurl
  endif
  
  ifeq ($(BR2_PACKAGE_PHP_EXT_XSL),y)
  PHP_CONF_OPTS += --with-xsl=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += libxslt
  endif
  
  ifeq ($(BR2_PACKAGE_PHP_EXT_BZIP2),y)
  PHP_CONF_OPTS += --with-bz2=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += bzip2
  endif
  
  ### DBA
  ifeq ($(BR2_PACKAGE_PHP_EXT_DBA),y)
  PHP_CONF_OPTS += --enable-dba
  ifneq ($(BR2_PACKAGE_PHP_EXT_DBA_CDB),y)
  PHP_CONF_OPTS += --without-cdb
  endif
  ifneq ($(BR2_PACKAGE_PHP_EXT_DBA_FLAT),y)
  PHP_CONF_OPTS += --without-flatfile
  endif
  ifneq ($(BR2_PACKAGE_PHP_EXT_DBA_INI),y)
  PHP_CONF_OPTS += --without-inifile
  endif
  ifeq ($(BR2_PACKAGE_PHP_EXT_DBA_DB4),y)
  PHP_CONF_OPTS += --with-db4=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += berkeleydb
  endif
  endif
  
  ifeq ($(BR2_PACKAGE_PHP_EXT_SNMP),y)
  PHP_CONF_OPTS += --with-snmp=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += netsnmp
  endif
  
  ifeq ($(BR2_PACKAGE_PHP_EXT_GD),y)
  PHP_CONF_OPTS += \
  	--with-gd \
  	--with-jpeg-dir=$(STAGING_DIR)/usr \
  	--with-png-dir=$(STAGING_DIR)/usr \
  	--with-zlib-dir=$(STAGING_DIR)/usr \
  	--with-freetype-dir=$(STAGING_DIR)/usr
  PHP_DEPENDENCIES += jpeg libpng freetype
  endif
  
  ifeq ($(BR2_PACKAGE_PHP_FPM),y)
  define PHP_INSTALL_INIT_SYSV
  	$(INSTALL) -D -m 0755 $(@D)/sapi/fpm/init.d.php-fpm \
  		$(TARGET_DIR)/etc/init.d/S49php-fpm
  endef
  
  define PHP_INSTALL_INIT_SYSTEMD
  	$(INSTALL) -D -m 0644 $(@D)/sapi/fpm/php-fpm.service \
  		$(TARGET_DIR)/usr/lib/systemd/system/php-fpm.service
  	mkdir -p $(TARGET_DIR)/etc/systemd/system/multi-user.target.wants
  	ln -fs ../../../../usr/lib/systemd/system/php-fpm.service \
  		$(TARGET_DIR)/etc/systemd/system/multi-user.target.wants/php-fpm.service
  endef
  
  define PHP_INSTALL_FPM_CONF
  	$(INSTALL) -D -m 0644 package/php/php-fpm.conf \
  		$(TARGET_DIR)/etc/php-fpm.conf
  	rm -f $(TARGET_DIR)/etc/php-fpm.conf.default
  	# remove unused sample status page /usr/php/php/fpm/status.html
  	rm -rf $(TARGET_DIR)/usr/php
  endef
  
  PHP_POST_INSTALL_TARGET_HOOKS += PHP_INSTALL_FPM_CONF
  endif
  
  define PHP_EXTENSIONS_FIXUP
  	$(SED) "/prefix/ s:/usr:$(STAGING_DIR)/usr:" \
  		$(STAGING_DIR)/usr/bin/phpize
  	$(SED) "/extension_dir/ s:/usr:$(TARGET_DIR)/usr:" \
  		$(STAGING_DIR)/usr/bin/php-config
  endef
  
  PHP_POST_INSTALL_TARGET_HOOKS += PHP_EXTENSIONS_FIXUP
  
  define PHP_INSTALL_FIXUP
  	rm -rf $(TARGET_DIR)/usr/lib/php/build
  	rm -f $(TARGET_DIR)/usr/bin/phpize
  	$(INSTALL) -D -m 0755 $(PHP_DIR)/php.ini-production \
  		$(TARGET_DIR)/etc/php.ini
  	$(SED) 's%;date.timezone =.*%date.timezone = $(PHP_LOCALTIME)%' \
  		$(TARGET_DIR)/etc/php.ini
  	$(if $(BR2_PACKAGE_PHP_EXT_OPCACHE),
  		$(SED) '/;extension=php_xsl.dll/azend_extension=opcache.so' \
  		$(TARGET_DIR)/etc/php.ini)
  endef
  
  PHP_POST_INSTALL_TARGET_HOOKS += PHP_INSTALL_FIXUP
  
  PHP_CONF_ENV += CFLAGS="$(PHP_CFLAGS)"
  
  $(eval $(autotools-package))