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PHP_ARG_WITH([ffi],
[for FFI support],
[AS_HELP_STRING([--with-ffi],
[Include FFI support])])
if test "$PHP_FFI" != "no"; then
PKG_CHECK_MODULES([FFI], [libffi >= 3.0.11])
PHP_EVAL_INCLINE([$FFI_CFLAGS])
PHP_EVAL_LIBLINE([$FFI_LIBS], [FFI_SHARED_LIBADD])
AC_DEFINE([HAVE_FFI], [1],
[Define to 1 if the PHP extension 'ffi' is available.])
AC_CHECK_TYPES([long double])
AC_DEFUN([PHP_FFI_CHECK_DECL],
[AC_CHECK_DECL([$1],
[AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_$1]), [1],
[Define to 1 if libffi supports the '$1' calling convention.])],,
[#include <ffi.h>])])
CFLAGS_SAVE=$CFLAGS
CFLAGS="$CFLAGS $FFI_CFLAGS"
PHP_FFI_CHECK_DECL([FFI_FASTCALL])
PHP_FFI_CHECK_DECL([FFI_THISCALL])
PHP_FFI_CHECK_DECL([FFI_STDCALL])
PHP_FFI_CHECK_DECL([FFI_PASCAL])
PHP_FFI_CHECK_DECL([FFI_REGISTER])
PHP_FFI_CHECK_DECL([FFI_MS_CDECL])
PHP_FFI_CHECK_DECL([FFI_SYSV])
CFLAGS=$CFLAGS_SAVE
PHP_NEW_EXTENSION([ffi],
[ffi.c ffi_parser.c],
[$ext_shared],,
[-DZEND_ENABLE_STATIC_TSRMLS_CACHE=1])
PHP_SUBST([FFI_SHARED_LIBADD])
fi
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