move PHP_TEST_WRITE_STDOUT to acinclude.m4 and use it in configure.in

its result is used in sapi/cli & sapi/embed, not just sapi/cgi

acinclude.m4

@@ -2712,3 +2712,33 @@ php_cv_crypt_r_style=struct_crypt_data_gnu_source)
     AC_MSG_ERROR([Unable to detect data struct used by crypt_r])
   fi
 ])
+
+AC_DEFUN([PHP_TEST_WRITE_STDOUT],[
+  AC_CACHE_CHECK(whether writing to stdout works,ac_cv_write_stdout,[
+    AC_TRY_RUN([
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#define TEXT "This is the test message -- "
+
+main()
+{
+  int n;
+
+  n = write(1, TEXT, sizeof(TEXT)-1);
+  return (!(n == sizeof(TEXT)-1));
+}
+    ],[
+      ac_cv_write_stdout=yes
+    ],[
+      ac_cv_write_stdout=no
+    ],[
+      ac_cv_write_stdout=no
+    ])
+  ])
+  if test "$ac_cv_write_stdout" = "yes"; then
+    AC_DEFINE(PHP_WRITE_STDOUT, 1, [whether write(2) works])
+  fi
+])
+

configure.in

@@ -286,6 +286,9 @@ PHP_EBCDIC
 dnl Check whether the system byte ordering is bigendian
 PHP_C_BIGENDIAN
 
+dnl Check whether writing to stdout works
+PHP_TEST_WRITE_STDOUT
+
 dnl Check for /usr/pkg/{lib,include} which is where NetBSD puts binary
 dnl and source packages.  This should be harmless on other OSs.
 if test -d /usr/pkg/include -a -d /usr/pkg/lib ; then

sapi/cgi/config9.m4

@@ -10,36 +10,6 @@ AC_ARG_ENABLE(cgi,
   PHP_SAPI_CGI=yes
 ])
 
-AC_DEFUN([PHP_TEST_WRITE_STDOUT],[
-  AC_CACHE_CHECK(whether writing to stdout works,ac_cv_write_stdout,[
-    AC_TRY_RUN([
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-#define TEXT "This is the test message -- "
-        
-main()
-{
-  int n;
-
-  n = write(1, TEXT, sizeof(TEXT)-1);
-  return (!(n == sizeof(TEXT)-1));
-}
-    ],[
-      ac_cv_write_stdout=yes
-    ],[
-      ac_cv_write_stdout=no
-    ],[
-      ac_cv_write_stdout=no
-    ])
-  ])
-  if test "$ac_cv_write_stdout" = "yes"; then
-    AC_DEFINE(PHP_WRITE_STDOUT, 1, [whether write(2) works])
-  fi
-])
-
-
 if test "$PHP_SAPI" = "default"; then
   AC_MSG_CHECKING(for CGI build)
   if test "$PHP_SAPI_CGI" != "no"; then
@@ -82,8 +52,6 @@ if test "$PHP_SAPI" = "default"; then
     esac
     PHP_SUBST(SAPI_CGI_PATH)
 
-    PHP_TEST_WRITE_STDOUT
-
     INSTALL_IT="@echo \"Installing PHP CGI into: \$(INSTALL_ROOT)\$(bindir)/\"; \$(INSTALL) -m 0755 \$(SAPI_CGI_PATH) \$(INSTALL_ROOT)\$(bindir)/\$(program_prefix)php\$(program_suffix)\$(EXEEXT)"
     PHP_SELECT_SAPI(cgi, program, fastcgi.c cgi_main.c getopt.c, , '$(SAPI_CGI_PATH)')