Fix finding Oracle Instant Client library on OS X
https://bugs.php.net/bug.php?id=39312
https://github.com/php/php-src/commit/70075bc84c4c1f5700ee95415e07c1799e3c083c
--- ext/pdo_oci/config.m4.orig
+++ ext/pdo_oci/config.m4
@@ -79,6 +81,13 @@ You need to tell me where to find your Oracle Instant Client SDK, or set ORACLE_
     fi
     PDO_OCI_IC_PREFIX="`echo $PDO_OCI_DIR | cut -d, -f2`"
     PDO_OCI_IC_VERS="`echo $PDO_OCI_DIR | cut -d, -f3`"
+    if test -n "$PDO_OCI_IC_VERS"; then
+      PDO_OCI_IC_MAJ_VER="`echo $PDO_OCI_IC_VERS | cut -d. -f1`"
+      if test "$PDO_OCI_IC_MAJ_VER" -ge 11; then
+        # From 11.1.0.7 the RPM path only has an X.Y component
+        PDO_OCI_IC_VERS="`echo $PDO_OCI_IC_VERS | cut -d. -f1-2`"
+      fi
+    fi
     AC_MSG_CHECKING([for oci.h])
     if test -f $PDO_OCI_IC_PREFIX/include/oracle/$PDO_OCI_IC_VERS/$PDO_OCI_CLIENT_DIR/oci.h ; then
       PHP_ADD_INCLUDE($PDO_OCI_IC_PREFIX/include/oracle/$PDO_OCI_IC_VERS/$PDO_OCI_CLIENT_DIR)
@@ -97,11 +97,11 @@
     else
       AC_MSG_ERROR([I'm too dumb to figure out where the include dir is in your Instant Client install])
     fi
-    if test -f "$PDO_OCI_IC_PREFIX/lib/oracle/$PDO_OCI_IC_VERS/client/lib/libclntsh.so" ; then
+    if test -f "$PDO_OCI_IC_PREFIX/lib/oracle/$PDO_OCI_IC_VERS/client/lib/libclntsh.$SHLIB_SUFFIX_NAME" ; then
       PDO_OCI_LIB_DIR="$PDO_OCI_IC_PREFIX/lib/oracle/$PDO_OCI_IC_VERS/client/lib"
-    elif test -f "$PDO_OCI_IC_PREFIX/client/lib/libclntsh.so" ; then
+    elif test -f "$PDO_OCI_IC_PREFIX/client/lib/libclntsh.$SHLIB_SUFFIX_NAME" ; then
       PDO_OCI_LIB_DIR="$PDO_OCI_IC_PREFIX/client/lib"
-    elif test -f "$PDO_OCI_IC_PREFIX/libclntsh.so" ; then
+    elif test -f "$PDO_OCI_IC_PREFIX/libclntsh.$SHLIB_SUFFIX_NAME" ; then
       PDO_OCI_LIB_DIR="$PDO_OCI_IC_PREFIX"
     else
       AC_MSG_ERROR([I'm too dumb to figure out where the libraries are in your Instant Client install])