Fix for https://bugs.php.net/bug.php?id=70899

more compatible patch.diff

diff --git a/build/config-stubs b/build/config-stubs
index 765eb54..0d84f4b 100755
--- a/build/config-stubs
+++ b/build/config-stubs
@@ -6,5 +6,11 @@ dir=$1; shift
 for stubfile in $dir/*/config0.m4 $dir/*/config.m4 $dir/*/config9.m4; do
     echo "config_m4_src=$stubfile
 config_m4_dir=`dirname $stubfile`
+
+dnl Define where extension directories are located in the configure context
+AC_DEFUN([PHP_EXT_BUILDDIR], [`dirname $stubfile`])
+AC_DEFUN([PHP_EXT_DIR], [`dirname $stubfile`])
+AC_DEFUN([PHP_EXT_SRCDIR], [\$abs_srcdir/`dirname $stubfile`])
+
 sinclude($stubfile)"
 done
diff --git a/configure.in b/configure.in
index 859574f..edbbfac 100644
--- a/configure.in
+++ b/configure.in
@@ -131,9 +131,9 @@ PHP_SUBST(PHP_RELEASE_VERSION)
 PHP_SUBST(PHP_EXTRA_VERSION)
 
-dnl Define where extension directories are located in the configure context
-AC_DEFUN([PHP_EXT_BUILDDIR],[$config_m4_dir])dnl
-AC_DEFUN([PHP_EXT_DIR],[$config_m4_dir])dnl
-AC_DEFUN([PHP_EXT_SRCDIR],[$abs_srcdir/$config_m4_dir])dnl
 AC_DEFUN([PHP_ALWAYS_SHARED],[])dnl
 
 dnl Setting up the PHP version based on the information above.

not compatible with m4 1.4.6.diff

diff --git a/build/config-stubs b/build/config-stubs
index 765eb54..8c88dc3 100755
--- a/build/config-stubs
+++ b/build/config-stubs
@@ -6,5 +6,7 @@ dir=$1; shift
 for stubfile in $dir/*/config0.m4 $dir/*/config.m4 $dir/*/config9.m4; do
     echo "config_m4_src=$stubfile
 config_m4_dir=`dirname $stubfile`
+m4_define([PHP_CURRENT_CONFIG_M4_SRC], [$stubfile])
+m4_define([PHP_CURRENT_CONFIG_M4_DIR], [`dirname $stubfile`])
 sinclude($stubfile)"
 done
diff --git a/configure.in b/configure.in
index 859574f..ea2388c 100644
--- a/configure.in
+++ b/configure.in
@@ -131,9 +131,9 @@ PHP_SUBST(PHP_RELEASE_VERSION)
 PHP_SUBST(PHP_EXTRA_VERSION)
 
 dnl Define where extension directories are located in the configure context
-AC_DEFUN([PHP_EXT_BUILDDIR],[$config_m4_dir])dnl
-AC_DEFUN([PHP_EXT_DIR],[$config_m4_dir])dnl
-AC_DEFUN([PHP_EXT_SRCDIR],[$abs_srcdir/$config_m4_dir])dnl
+AC_DEFUN([PHP_EXT_BUILDDIR],[PHP_CURRENT_CONFIG_M4_DIR])dnl
+AC_DEFUN([PHP_EXT_DIR],[PHP_CURRENT_CONFIG_M4_DIR])dnl
+AC_DEFUN([PHP_EXT_SRCDIR],[$abs_srcdir/PHP_CURRENT_CONFIG_M4_DIR])dnl
 AC_DEFUN([PHP_ALWAYS_SHARED],[])dnl
 
 dnl Setting up the PHP version based on the information above.