- fix build with ICU < 4.2, add ICU_VERSION for m4 checks

acinclude.m4

@@ -2243,6 +2243,7 @@ AC_DEFUN([PHP_SETUP_ICU],[
       AC_MSG_ERROR([ICU version 3.4 or later is required])
     fi
 
+    ICU_VERSION=$icu_version
     ICU_INCS=`$ICU_CONFIG --cppflags-searchpath`
     ICU_LIBS=`$ICU_CONFIG --ldflags --ldflags-icuio`
     PHP_EVAL_INCLINE($ICU_INCS)

ext/intl/config.m4

@@ -9,7 +9,14 @@ if test "$PHP_INTL" != "no"; then
   PHP_SETUP_ICU(INTL_SHARED_LIBADD)
   PHP_SUBST(INTL_SHARED_LIBADD)
   PHP_REQUIRE_CXX()
-
+  if test "$icu_version" -ge "4002"; then
+    icu_spoof_src=" spoofchecker/spoofchecker_class.c \
+    spoofchecker/spoofchecker.c\
+    spoofchecker/spoofchecker_create.c\
+    spoofchecker/spoofchecker_main.c"
+  else
+    icu_spoof_src=""
+  fi
   PHP_NEW_EXTENSION(intl, php_intl.c \
     intl_error.c \
     intl_convert.c \
@@ -59,11 +66,7 @@ if test "$PHP_INTL" != "no"; then
     transliterator/transliterator_class.c \
     transliterator/transliterator_methods.c \
     idn/idn.c \
-    spoofchecker/spoofchecker_class.c \
-    spoofchecker/spoofchecker.c\
-    spoofchecker/spoofchecker_create.c\
-    spoofchecker/spoofchecker_main.c, $ext_shared,,$ICU_INCS)
-
+    $icu_spoof_src, $ext_shared,,$ICU_INCS)
   PHP_ADD_BUILD_DIR($ext_builddir/collator)
   PHP_ADD_BUILD_DIR($ext_builddir/common)
   PHP_ADD_BUILD_DIR($ext_builddir/formatter)

ext/intl/php_intl.c

@@ -70,10 +70,12 @@
 
 #include "idn/idn.h"
 
-#include "spoofchecker/spoofchecker_class.h"
-#include "spoofchecker/spoofchecker.h"
-#include "spoofchecker/spoofchecker_create.h"
-#include "spoofchecker/spoofchecker_main.h"
+#if U_ICU_VERSION_MAJOR_NUM > 3 && U_ICU_VERSION_MINOR_NUM >=2
+# include "spoofchecker/spoofchecker_class.h"
+# include "spoofchecker/spoofchecker.h"
+# include "spoofchecker/spoofchecker_create.h"
+# include "spoofchecker/spoofchecker_main.h"
+#endif
 
 #include "msgformat/msgformat.h"
 #include "common/common_error.h"
@@ -638,12 +640,13 @@ PHP_MINIT_FUNCTION( intl )
 	/* Expose IDN constants to PHP scripts. */
 	idn_register_constants(INIT_FUNC_ARGS_PASSTHRU);
 
+#if U_ICU_VERSION_MAJOR_NUM > 3 && U_ICU_VERSION_MINOR_NUM >=2
 	/* Register 'Spoofchecker' PHP class */
 	spoofchecker_register_Spoofchecker_class( TSRMLS_C );
 
 	/* Expose Spoofchecker constants to PHP scripts */
 	spoofchecker_register_constants( INIT_FUNC_ARGS_PASSTHRU );
-
+#endif
 	/* Global error handling. */
 	intl_error_init( NULL TSRMLS_CC );