From: Debian PHP Maintainers <pkg-php-maint@lists.alioth.debian.org>
Date: Sat, 2 May 2015 10:26:51 +0200
Subject: extension_api

---
 configure.in          | 5 ++++-
 scripts/php-config.in | 4 ++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/configure.in b/configure.in
index ad033f8..e365625 100644
--- a/configure.in
+++ b/configure.in
@@ -1194,8 +1194,10 @@ dnl Build extension directory path
 
 ZEND_MODULE_API_NO=`$EGREP '#define ZEND_MODULE_API_NO ' $srcdir/Zend/zend_modules.h|$SED 's/#define ZEND_MODULE_API_NO //'`
 
+DEBIAN_PHP_API=$ZEND_MODULE_API_NO
+
 if test -z "$EXTENSION_DIR"; then
-  extbasedir=$ZEND_MODULE_API_NO
+  extbasedir=$DEBIAN_PHP_API
   if test "$oldstyleextdir" = "yes"; then
     if test "$PHP_DEBUG" = "1"; then
       part1=debug
@@ -1338,6 +1340,7 @@ PHP_SUBST(CXX)
 PHP_SUBST(CXXFLAGS)
 PHP_SUBST(CXXFLAGS_CLEAN)
 PHP_SUBST_OLD(DEBUG_CFLAGS)
+PHP_SUBST_OLD(DEBIAN_PHP_API)
 PHP_SUBST_OLD(EXTENSION_DIR)
 PHP_SUBST_OLD(EXTRA_LDFLAGS)
 PHP_SUBST_OLD(EXTRA_LDFLAGS_PROGRAM)
diff --git a/scripts/php-config.in b/scripts/php-config.in
index 78ae11b..d7faf21 100644
--- a/scripts/php-config.in
+++ b/scripts/php-config.in
@@ -19,6 +19,7 @@ php_cli_binary=NONE
 php_cgi_binary=NONE
 configure_options="@CONFIGURE_OPTIONS@"
 php_sapis="@PHP_INSTALLED_SAPIS@"
+phpapi="@DEBIAN_PHP_API@"
 
 # Set php_cli_binary and php_cgi_binary if available
 for sapi in $php_sapis; do
@@ -57,6 +58,8 @@ case "$1" in
   echo $include_dir;;
 --php-binary)
   echo $php_binary;;
+--phpapi)
+  echo $phpapi;;
 --php-sapis)
   echo $php_sapis;;
 --configure-options)
@@ -80,6 +83,7 @@ Options:
   --man-dir           [$man_dir]
   --php-binary        [$php_binary]
   --php-sapis         [$php_sapis]
+  --phpapi            [$phpapi]
   --configure-options [$configure_options]
   --version           [$version]
   --vernum            [$vernum]