diff --git a/build/php.m4 b/build/php.m4
index 81f84bf62e5..e40c6c58896 100644
--- a/build/php.m4
+++ b/build/php.m4
@@ -1741,7 +1741,7 @@ AC_DEFUN([PHP_PROG_RE2C],[
   esac
 
   PHP_SUBST([RE2C])
-  AS_VAR_SET([RE2C_FLAGS], [m4_normalize(["$2"])])
+  AS_VAR_SET([RE2C_FLAGS], m4_normalize(["$2"]))
   PHP_SUBST([RE2C_FLAGS])
 ])
 
@@ -1998,17 +1998,17 @@ AS_VAR_IF([found_pgsql], [yes], [dnl
   PHP_EVAL_INCLINE([$PGSQL_CFLAGS])
   PHP_EVAL_LIBLINE([$PGSQL_LIBS], [$1])
 dnl PostgreSQL minimum version sanity check.
-  PHP_CHECK_LIBRARY([pq], [PQencryptPasswordConn],, [AC_MSG_ERROR([m4_normalize([
+  PHP_CHECK_LIBRARY([pq], [PQencryptPasswordConn],, [AC_MSG_ERROR(m4_normalize([
     PostgreSQL check failed: libpq 10.0 or later is required, please see
     config.log for details.
-  ])])],
+  ]))],
   [$PGSQL_LIBS])
 $2],
-[m4_default([$3], [AC_MSG_ERROR([m4_normalize([
+[m4_default([$3], [AC_MSG_ERROR(m4_normalize([
   Cannot find libpq-fe.h or pq library (libpq). Please specify the correct
   PostgreSQL installation path with environment variables PGSQL_CFLAGS and
   PGSQL_LIBS or provide the PostgreSQL installation directory.
-])])])])
+]))])])
 ])
 
 dnl ----------------------------------------------------------------------------
diff --git a/configure.ac b/configure.ac
index d106cf50d79..749bd739da5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -861,10 +861,10 @@ fi
 
 AS_VAR_IF([PHP_THREAD_SAFETY], [yes], [
   AS_VAR_IF([pthreads_working], [yes], [],
-    [AC_MSG_ERROR([m4_normalize([
+    [AC_MSG_ERROR(m4_normalize([
       Unable to verify system support for POSIX Threads, which are required for
       PHP thread safety (ZTS) build.
-    ])])])
+    ]))])
 
   AC_MSG_CHECKING([for POSIX threads])
   AC_MSG_RESULT([yes])
@@ -1170,10 +1170,10 @@ AS_VAR_IF([PHP_PEAR], [no],, [
   AC_MSG_WARN([The --with-pear option is deprecated])
 
   dnl PEAR dependencies.
-  AS_VAR_IF([PHP_XML], [no], [AC_MSG_ERROR([m4_normalize([
+  AS_VAR_IF([PHP_XML], [no], [AC_MSG_ERROR(m4_normalize([
     PEAR requires XML to be enabled. Add '--enable-xml' to the configure line,
     or disable PEAR (--without-pear).
-  ])])])
+  ]))])
 
   install_pear=install-pear
 
@@ -1535,11 +1535,11 @@ if test "$PHP_MEMORY_SANITIZER" = "yes"; then
 fi
 
 AS_VAR_IF([PHP_ADDRESS_SANITIZER], [yes],
-  [AS_VAR_IF([PHP_VALGRIND], [no],, [AC_MSG_ERROR([m4_normalize([
+  [AS_VAR_IF([PHP_VALGRIND], [no],, [AC_MSG_ERROR(m4_normalize([
     Valgrind and address sanitizer are not compatible. Either disable Valgrind
     (remove --with-valgrind) or disable address sanitizer (remove
     --enable-address-sanitizer).
-  ])])])
+  ]))])
 
   AX_CHECK_COMPILE_FLAG([-fsanitize=address], [
     CFLAGS="$CFLAGS -fsanitize=address -DZEND_TRACK_ARENA_ALLOC"
@@ -1678,7 +1678,7 @@ PHP_ADD_SOURCES(main/streams, streams.c cast.c memory.c filter.c \
 PHP_ADD_SOURCES(/main, internal_functions.c, -DZEND_ENABLE_STATIC_TSRMLS_CACHE=1, sapi)
 PHP_ADD_SOURCES_X(/main, internal_functions_cli.c, -DZEND_ENABLE_STATIC_TSRMLS_CACHE=1, PHP_BINARY_OBJS)
 
-PHP_ADD_SOURCES([Zend], [m4_normalize([
+PHP_ADD_SOURCES([Zend], m4_normalize([
   Optimizer/block_pass.c
   Optimizer/compact_literals.c
   Optimizer/compact_vars.c
@@ -1760,7 +1760,7 @@ PHP_ADD_SOURCES([Zend], [m4_normalize([
   zend_vm_opcodes.c
   zend_weakrefs.c
   zend.c
-])],
+]),
   [-DZEND_ENABLE_STATIC_TSRMLS_CACHE=1 $fiber_asm_cflag])
 
 PHP_ADD_MAKEFILE_FRAGMENT([$abs_srcdir/scripts/Makefile.frag],
@@ -1772,7 +1772,7 @@ PHP_ADD_MAKEFILE_FRAGMENT([$abs_srcdir/Zend/Makefile.frag],
 
 AC_DEFINE([HAVE_BUILD_DEFS_H], 1, [ ])
 
-PHP_ADD_BUILD_DIR([m4_normalize([
+PHP_ADD_BUILD_DIR(m4_normalize([
   main
   main/streams
   scripts
@@ -1781,7 +1781,7 @@ PHP_ADD_BUILD_DIR([m4_normalize([
   Zend
   Zend/asm
   Zend/Optimizer
-])])
+]))
 
 ALL_OUTPUT_FILES="main/build-defs.h \
 scripts/phpize scripts/man1/phpize.1 \
diff --git a/ext/bcmath/config.m4 b/ext/bcmath/config.m4
index d6480442e3f..4bb34d55534 100644
--- a/ext/bcmath/config.m4
+++ b/ext/bcmath/config.m4
@@ -4,7 +4,7 @@ PHP_ARG_ENABLE([bcmath],
     [Enable bc style precision math functions])])
 
 if test "$PHP_BCMATH" != "no"; then
-  PHP_NEW_EXTENSION([bcmath], [m4_normalize([
+  PHP_NEW_EXTENSION([bcmath], m4_normalize([
     bcmath.c
     libbcmath/src/add.c
     libbcmath/src/compare.c
@@ -28,7 +28,7 @@ if test "$PHP_BCMATH" != "no"; then
     libbcmath/src/str2num.c
     libbcmath/src/sub.c
     libbcmath/src/zero.c
-  ])],
+  ]),
   [$ext_shared],,
   [-DZEND_ENABLE_STATIC_TSRMLS_CACHE=1])
   PHP_ADD_BUILD_DIR([$ext_builddir/libbcmath/src])
diff --git a/ext/dom/config.m4 b/ext/dom/config.m4
index 4f45faca9f7..982e2f78801 100644
--- a/ext/dom/config.m4
+++ b/ext/dom/config.m4
@@ -41,7 +41,7 @@ if test "$PHP_DOM" != "no"; then
                             namednodemap.c xpath_callbacks.c \
                             $LEXBOR_SOURCES],
                             $ext_shared,,$PHP_LEXBOR_CFLAGS)
-    PHP_ADD_BUILD_DIR([m4_normalize([
+    PHP_ADD_BUILD_DIR(m4_normalize([
       $ext_builddir/parentnode
       $ext_builddir/$LEXBOR_DIR/core
       $ext_builddir/$LEXBOR_DIR/css/selectors
@@ -56,14 +56,14 @@ if test "$PHP_DOM" != "no"; then
       $ext_builddir/$LEXBOR_DIR/ports/posix/lexbor/core
       $ext_builddir/$LEXBOR_DIR/selectors-adapted
       $ext_builddir/$LEXBOR_DIR/tag
-    ])])
+    ]))
     PHP_SUBST([DOM_SHARED_LIBADD])
-    PHP_INSTALL_HEADERS([ext/dom], [m4_normalize([
+    PHP_INSTALL_HEADERS([ext/dom], m4_normalize([
       dom_ce.h
       namespace_compat.h
       xml_common.h
       xpath_callbacks.h
-    ])])
+    ]))
     PHP_ADD_EXTENSION_DEP(dom, libxml)
   ])
 fi
diff --git a/ext/intl/config.m4 b/ext/intl/config.m4
index 98b1f87a8f6..793ad6c8611 100644
--- a/ext/intl/config.m4
+++ b/ext/intl/config.m4
@@ -100,7 +100,7 @@ if test "$PHP_INTL" != "no"; then
     PHP_ADD_SOURCES_X(PHP_EXT_DIR(intl), $PHP_INTL_CXX_SOURCES, $PHP_INTL_CXX_FLAGS, shared_objects_intl, yes)
   fi
 
-  PHP_ADD_BUILD_DIR([m4_normalize([
+  PHP_ADD_BUILD_DIR(m4_normalize([
     $ext_builddir/breakiterator
     $ext_builddir/calendar
     $ext_builddir/collator
@@ -118,5 +118,5 @@ if test "$PHP_INTL" != "no"; then
     $ext_builddir/timezone
     $ext_builddir/transliterator
     $ext_builddir/uchar
-  ])])
+  ]))
 fi
diff --git a/ext/mysqlnd/config9.m4 b/ext/mysqlnd/config9.m4
index 916fd205800..abcbd2afbb1 100644
--- a/ext/mysqlnd/config9.m4
+++ b/ext/mysqlnd/config9.m4
@@ -38,7 +38,7 @@ if test "$PHP_MYSQLND" != "no" || test "$PHP_MYSQLND_ENABLED" = "yes"; then
     PHP_SETUP_OPENSSL(MYSQLND_SHARED_LIBADD, [AC_DEFINE(MYSQLND_HAVE_SSL,1,[Enable mysqlnd code that uses OpenSSL directly])])
   fi
 
-  PHP_NEW_EXTENSION([mysqlnd], [m4_normalize([
+  PHP_NEW_EXTENSION([mysqlnd], m4_normalize([
     mysqlnd_alloc.c
     mysqlnd_auth.c
     mysqlnd_block_alloc.c
@@ -61,7 +61,7 @@ if test "$PHP_MYSQLND" != "no" || test "$PHP_MYSQLND_ENABLED" = "yes"; then
     mysqlnd_vio.c
     mysqlnd_wireprotocol.c
     php_mysqlnd.c
-  ])],
+  ]),
   [$ext_shared],,
   [-DZEND_ENABLE_STATIC_TSRMLS_CACHE=1])
 
diff --git a/ext/standard/config.m4 b/ext/standard/config.m4
index 12dcbd96bef..e17ef560b3e 100644
--- a/ext/standard/config.m4
+++ b/ext/standard/config.m4
@@ -377,7 +377,7 @@ AS_VAR_IF([php_cv_func_getifaddrs], [yes],
 dnl
 dnl Setup extension sources
 dnl
-PHP_NEW_EXTENSION([standard], [m4_normalize([
+PHP_NEW_EXTENSION([standard], m4_normalize([
   array.c
   assert.c
   base64.c
@@ -441,7 +441,7 @@ PHP_NEW_EXTENSION([standard], [m4_normalize([
   var_unserializer.c
   var.c
   versioning.c
-])],,,
+]),,,
   [-DZEND_ENABLE_STATIC_TSRMLS_CACHE=1])
 
 PHP_ADD_BUILD_DIR([$ext_builddir/libavifinfo])
diff --git a/sapi/apache2handler/config.m4 b/sapi/apache2handler/config.m4
index def782ea975..c54299bf109 100644
--- a/sapi/apache2handler/config.m4
+++ b/sapi/apache2handler/config.m4
@@ -34,10 +34,10 @@ if test "$PHP_APXS2" != "no"; then
 
   APXS_INCLUDEDIR=`$APXS -q INCLUDEDIR`
   APXS_HTTPD=`$APXS -q SBINDIR`/`$APXS -q TARGET`
-  AS_IF([test ! -x "$APXS_HTTPD"], [AC_MSG_ERROR([m4_normalize([
+  AS_IF([test ! -x "$APXS_HTTPD"], [AC_MSG_ERROR(m4_normalize([
     $APXS_HTTPD executable not found. Please, install Apache HTTP Server
     command-line utility.
-  ])])])
+  ]))])
 
   APXS_CFLAGS=`$APXS -q CFLAGS`
   APU_BINDIR=`$APXS -q APU_BINDIR`