Support configure script --enable-pipes option to enable pipes (|) in filenames
diff --git a/ChangeLog b/ChangeLog
index 2cde40c..ca1e562 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2016-05-31  7.0.1-8 Cristy  <quetzlzacatenango@image...>
+  * Support configure script --enable-pipes option to enable pipes (|) in
+    filenames.
+
 2016-05-30  7.0.1-7 Cristy  <quetzlzacatenango@image...>
   * Release ImageMagick version 7.0.1-7, GIT revision 18321:5511ef5:20160530.
 
diff --git a/MagickCore/blob.c b/MagickCore/blob.c
index c756a75..0bc5c87 100644
--- a/MagickCore/blob.c
+++ b/MagickCore/blob.c
@@ -2480,7 +2480,7 @@
       image->blob->exempt=MagickTrue;
       return(SetStreamBuffering(image_info,image));
     }
-#if defined(MAGICKCORE_HAVE_POPEN)
+#if defined(MAGICKCORE_HAVE_POPEN) && defined(MAGICKCORE_PIPES_SUPPORT)
   if (*filename == '|')
     {
       char
diff --git a/configure b/configure
index a005804..9b30547 100755
--- a/configure
+++ b/configure
@@ -1167,6 +1167,7 @@
 enable_cipher
 enable_zero_configuration
 enable_hdri
+enable_pipes
 enable_assert
 enable_maintainer_mode
 enable_hugepages
@@ -1935,6 +1936,7 @@
                           zero-configuration ImageMagick
   --enable-hdri           accurately represent the wide range of intensity
                           levels found in real scenes
+  --enable-pipes          enable pipes (|) in filenames
   --disable-assert        disable assert() statements in build
   --enable-maintainer-mode
                           enable make rules and dependencies not useful (and
@@ -4515,7 +4517,7 @@
 
 MAGICK_VERSION=7.0.1-8
 
-MAGICK_GIT_REVISION=18324:8f2f50b:20160530
+MAGICK_GIT_REVISION=18325:28587c2:20160531
 
 
 # Substitute library versioning
@@ -23822,6 +23824,22 @@
 CFLAGS="$CFLAGS -DMAGICKCORE_HDRI_ENABLE=$magick_hdri_enable"
 CPPFLAGS="$CPPFLAGS -DMAGICKCORE_HDRI_ENABLE=$magick_hdri_enable"
 
+# Enable pipes (|) in filenames.
+# Check whether --enable-pipes was given.
+if test "${enable_pipes+set}" = set; then :
+  enableval=$enable_pipes; enable_pipes=$enableval
+else
+  enable_pipes='no'
+fi
+
+
+if test "$enable_pipes" = 'yes'; then
+
+$as_echo "#define PIPES_SUPPORT 1" >>confdefs.h
+
+    MAGICK_FEATURES="Pipes $MAGICK_FEATURES"
+fi
+
 # Build a version of ImageMagick with assert statements.
 # Check whether --enable-assert was given.
 if test "${enable_assert+set}" = set; then :
diff --git a/configure.ac b/configure.ac
index 671b66a..c86cc63 100644
--- a/configure.ac
+++ b/configure.ac
@@ -684,6 +684,18 @@
 CFLAGS="$CFLAGS -DMAGICKCORE_HDRI_ENABLE=$magick_hdri_enable"
 CPPFLAGS="$CPPFLAGS -DMAGICKCORE_HDRI_ENABLE=$magick_hdri_enable"
 
+# Enable pipes (|) in filenames.
+AC_ARG_ENABLE([pipes],
+    [AC_HELP_STRING([--enable-pipes],
+                    [enable pipes (|) in filenames])],
+    [enable_pipes=$enableval],
+    [enable_pipes='no'])
+
+if test "$enable_pipes" = 'yes'; then
+    AC_DEFINE(PIPES_SUPPORT,1,[enable pipes (|) in filenames])
+    MAGICK_FEATURES="Pipes $MAGICK_FEATURES"
+fi
+
 # Build a version of ImageMagick with assert statements.
 AC_ARG_ENABLE([assert],
     [AC_HELP_STRING([--disable-assert],