Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
  Fix GH-8142: Compilation error on cygwin

Author: cmb69

NEWS

@@ -5,6 +5,10 @@ PHP                                                                        NEWS
 - Intl:
   . Fixed bug GH-8115 (Can't catch arg type deprecation when instantiating Intl
     classes). (ilutov)
+  . Fixed bug GH-8142 (Compilation error on cygwin). (David Carlier)
+
+- Pcntl:
+  . Fixed bug GH-8142 (Compilation error on cygwin). (David Carlier)
 
 - Standard:
   . Fixed bug GH-8048 (Force macOS to use statfs). (risner)

ext/intl/config.m4

@@ -87,6 +87,9 @@ if test "$PHP_INTL" != "no"; then
   PHP_REQUIRE_CXX()
   PHP_CXX_COMPILE_STDCXX(11, mandatory, PHP_INTL_STDCXX)
   PHP_INTL_CXX_FLAGS="$INTL_COMMON_FLAGS $PHP_INTL_STDCXX $ICU_CXXFLAGS"
+  case $host_alias in
+  *cygwin*) PHP_INTL_CXX_FLAGS="$PHP_INTL_CXX_FLAGS -D_POSIX_C_SOURCE=200809L"
+  esac
   if test "$ext_shared" = "no"; then
     PHP_ADD_SOURCES(PHP_EXT_DIR(intl), $PHP_INTL_CXX_SOURCES, $PHP_INTL_CXX_FLAGS)
   else

ext/pcntl/pcntl.c

@@ -1193,7 +1193,7 @@ static void pcntl_siginfo_to_zval(int signo, siginfo_t *siginfo, zval *user_sigi
 			case SIGBUS:
 				add_assoc_double_ex(user_siginfo, "addr", sizeof("addr")-1, (zend_long)siginfo->si_addr);
 				break;
-#ifdef SIGPOLL
+#if defined(SIGPOLL) && !defined(__CYGWIN__)
 			case SIGPOLL:
 				add_assoc_long_ex(user_siginfo, "band", sizeof("band")-1, siginfo->si_band);
 # ifdef si_fd