fixes bug #17453

diff --git a/acinclude.m4 b/acinclude.m4
index c16341f091d4e6cd55a7f8e1c13752916e3aedd1..4e27ea28bc2f2eb95223a9ecc2c003dc4b4d8472 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -1183,7 +1183,7 @@ dnl ---------------------------------------------- Static module
 dnl ---------------------------------------------- Shared module
       PHP_ADD_SOURCES_X(PHP_EXT_DIR($1),$2,$ac_extra,shared_objects_$1,yes)
       PHP_SHARED_MODULE($1,shared_objects_$1, $ext_builddir)
-      AC_DEFINE_UNQUOTED([COMPILE_DL_]translit($1,a-z-,A-Z_), 1, Whether to build $1 as dynamic module)
+      AC_DEFINE_UNQUOTED([COMPILE_DL_]translit($1,a-z-,A-Z__), 1, Whether to build $1 as dynamic module)
     fi
   fi