Fix unexpected page count error

info.yml

@@ -1,7 +1,7 @@
 name: libcupsfilters
 description: OpenPrinting CUPS Filters library
 version: 2.2.1
-revision: 1
+revision: 2
 url: https://github.com/OpenPrinting/libcupsfilters
 license: Apache-2.0 WITH LLVM-exception
 maintainers:

recipe.sh

@@ -2,6 +2,15 @@
 # BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
 # BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT
 
+# The prepare function is executed in the root of the temp directory
+# This function is used for putting downloaded files to the correct location or applying patches
+prepare() {
+  cd "$BPM_SOURCE"
+  patch -Np1 -i "$BPM_WORKDIR"/167.patch
+
+  autoreconf -fi
+}
+
 # The build function is executed in the source directory
 # This function is used to compile the source code
 build() {

source-files/167.patch

@@ -0,0 +1,25 @@
+From a9acdb22cc898076bf6c5d9d20474274ed123458 Mon Sep 17 00:00:00 2001
+From: szlt5 <[email protected]>
+Date: Thu, 23 Jul 2026 12:40:12 +0800
+Subject: [PATCH] Fix printing error:  pdfio output "Missing Root object."
+
+---
+ cupsfilters/pdf.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/cupsfilters/pdf.c b/cupsfilters/pdf.c
+index 1f714b203..3e4386091 100644
+--- a/cupsfilters/pdf.c
++++ b/cupsfilters/pdf.c
+@@ -165,6 +165,11 @@ cfPDFPagesFP(FILE *file) 	// I - File pointer of PDF
+     fwrite(buffer, 1, bytes_read, temp_fp);
+   }
+ 
++  // call fflush(temp_fp) to flush the stdio buffer; 
++  // otherwise pdfioFileOpen() may not see the complete contents of temp_filename because 
++  // some data may still be buffered and not yet written to the file.
++  fflush(temp_fp);  
++
+   // Open the temp file with pdfio
+   pdfio_file_t *pdf = pdfioFileOpen(temp_filename, NULL, NULL, NULL, NULL);
+