new file mode 100644
@@ -0,0 +1,5 @@
+usr/lib/cups/backend/cups-pdf
+#usr/share/ppd/cups-pdf
+usr/share/ppd/cups-pdf/CUPS-PDF_noopt.ppd
+usr/share/ppd/cups-pdf/CUPS-PDF_opt.ppd
+var/ipfire/cups/cups-pdf.conf
new file mode 100644
@@ -0,0 +1,106 @@
+###############################################################################
+# #
+# IPFire.org - A linux based firewall #
+# Copyright (C) 2007-2020 IPFire Team <info@ipfire.org> #
+# #
+# This program is free software: you can redistribute it and/or modify #
+# it under the terms of the GNU General Public License as published by #
+# the Free Software Foundation, either version 3 of the License, or #
+# (at your option) any later version. #
+# #
+# This program is distributed in the hope that it will be useful, #
+# but WITHOUT ANY WARRANTY; without even the implied warranty of #
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
+# GNU General Public License for more details. #
+# #
+# You should have received a copy of the GNU General Public License #
+# along with this program. If not, see <http://www.gnu.org/licenses/>. #
+# #
+###############################################################################
+
+###############################################################################
+# Definitions
+###############################################################################
+
+include Config
+
+SUMMARY = OpenPrinting CUPS filters, backends, and cups-browsed
+
+VER = 3.0.1
+
+THISAPP = cups-pdf-$(VER)
+DL_FILE = cups-pdf_$(VER).tar.gz
+DL_FROM = $(URL_IPFIRE)
+DIR_APP = $(DIR_SRC)/$(THISAPP)
+TARGET = $(DIR_INFO)/$(THISAPP)
+PROG = cups-pdf
+PAK_VER = 1
+
+DEPS = cups
+
+SERVICES =
+
+###############################################################################
+# Top-level Rules
+###############################################################################
+
+objects = $(DL_FILE)
+
+$(DL_FILE) = $(DL_FROM)/$(DL_FILE)
+
+$(DL_FILE)_BLAKE2 = f964358c5e465447e703848a697f6c801624a1836e2a0a4026c507c66048cf4bef92327508598ec7e9a356d4f57894a6b610e55b7a9a34e942cf2b88c6c55b85
+
+install : $(TARGET)
+
+check : $(patsubst %,$(DIR_CHK)/%,$(objects))
+
+download :$(patsubst %,$(DIR_DL)/%,$(objects))
+
+b2 : $(subst %,%_BLAKE2,$(objects))
+
+dist:
+ $(PAK)
+
+###############################################################################
+# Downloading, checking, b2sum
+###############################################################################
+
+$(patsubst %,$(DIR_CHK)/%,$(objects)) :
+ @$(CHECK)
+
+$(patsubst %,$(DIR_DL)/%,$(objects)) :
+ @$(LOAD)
+
+$(subst %,%_BLAKE2,$(objects)) :
+ @$(B2SUM)
+
+###############################################################################
+# Installation Details
+###############################################################################
+
+$(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
+ @$(PREBUILD)
+ @rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar axf $(DIR_DL)/$(DL_FILE)
+ cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/cups-pdf-setpdfwrite.patch
+
+ # Compile backend
+ cd $(DIR_APP)/src && gcc $(CFLAGS) cups-pdf.c -o cups-pdf -lcups
+
+ # Install backend
+ cd $(DIR_APP)/src && install -v -m 700 \
+ cups-pdf /usr/lib/cups/backend/cups-pdf
+
+ # Install PPD files
+ -mkdir -pv /usr/share/ppd/cups-pdf
+ cd $(DIR_APP)/extra && install -v -m 644 \
+ CUPS-PDF_noopt.ppd \
+ CUPS-PDF_opt.ppd \
+ /usr/share/ppd/cups-pdf
+
+ # Install configuration
+ -mkdir -pv /var/ipfire/cups
+ cd $(DIR_APP)/extra && install -v -m 644 \
+ cups-pdf.conf /var/ipfire/cups/cups-pdf.conf
+
+ @rm -rf $(DIR_APP)
+ @$(POSTBUILD)
@@ -1465,6 +1465,7 @@ buildipfire() {
lfsmake2 poppler-data
lfsmake2 cups-filters
lfsmake2 epson-inkjet-printer-escpr
+ lfsmake2 cups-pdf
lfsmake2 foomatic
lfsmake2 hplip
lfsmake2 cifs-utils
new file mode 100644
@@ -0,0 +1,27 @@
+diff -ur extra/cups-pdf.conf extra/cups-pdf.conf
+--- extra/cups-pdf.conf 2021-06-03 08:50:00.109555813 -0400
++++ extra/cups-pdf.conf 2021-06-03 08:51:27.530198340 -0400
+@@ -250,9 +250,9 @@
+ ### Key: GSCall (config)
+ ## command line for calling GhostScript (!!! DO NOT USE NEWLINES !!!)
+ ## MacOSX: for using pstopdf set this to %s %s -o %s %s
+-### Default: %s -q -dCompatibilityLevel=%s -dNOPAUSE -dBATCH -dSAFER -sDEVICE=pdfwrite -sOutputFile="%s" -dAutoRotatePages=/PageByPage -dAutoFilterColorImages=false -dColorImageFilter=/FlateEncode -dPDFSETTINGS=/prepress -c .setpdfwrite -f %s
++### Default: %s -q -dCompatibilityLevel=%s -dNOPAUSE -dBATCH -dSAFER -sDEVICE=pdfwrite -sOutputFile="%s" -dAutoRotatePages=/PageByPage -dAutoFilterColorImages=false -dColorImageFilter=/FlateEncode -dPDFSETTINGS=/prepress -c 30000000 setvmthreshold -f %s
+
+-#GSCall %s -q -dCompatibilityLevel=%s -dNOPAUSE -dBATCH -dSAFER -sDEVICE=pdfwrite -sOutputFile="%s" -dAutoRotatePages=/PageByPage -dAutoFilterColorImages=false -dColorImageFilter=/FlateEncode -dPDFSETTINGS=/prepress -c .setpdfwrite -f %s
++#GSCall %s -q -dCompatibilityLevel=%s -dNOPAUSE -dBATCH -dSAFER -sDEVICE=pdfwrite -sOutputFile="%s" -dAutoRotatePages=/PageByPage -dAutoFilterColorImages=false -dColorImageFilter=/FlateEncode -dPDFSETTINGS=/prepress -c 30000000 setvmthreshold -f %s
+
+ ### Key: PDFVer (config, ppd, lptopions)
+ ## PDF version to be created - can be "1.5", "1.4", "1.3" or "1.2"
+diff -ur src/cups-pdf.h src/cups-pdf.h
+--- src/cups-pdf.h 2021-06-03 08:50:00.109555813 -0400
++++ src/cups-pdf.h 2021-06-03 08:51:44.833325511 -0400
+@@ -58,7 +58,7 @@
+ { "AnonDirName", SEC_CONF|SEC_PPD, { "/var/spool/cups-pdf/ANONYMOUS" } },
+ { "AnonUser", SEC_CONF|SEC_PPD, { "nobody" } },
+ { "GhostScript", SEC_CONF|SEC_PPD, { "/usr/bin/gs" } },
+- { "GSCall", SEC_CONF|SEC_PPD, { "%s -q -dCompatibilityLevel=%s -dNOPAUSE -dBATCH -dSAFER -sDEVICE=pdfwrite -sOutputFile=\"%s\" -dAutoRotatePages=/PageByPage -dAutoFilterColorImages=false -dColorImageFilter=/FlateEncode -dPDFSETTINGS=/prepress -c .setpdfwrite -f %s" } },
++ { "GSCall", SEC_CONF|SEC_PPD, { "%s -q -dCompatibilityLevel=%s -dNOPAUSE -dBATCH -dSAFER -sDEVICE=pdfwrite -sOutputFile=\"%s\" -dAutoRotatePages=/PageByPage -dAutoFilterColorImages=false -dColorImageFilter=/FlateEncode -dPDFSETTINGS=/prepress -c 30000000 setvmthreshold -f %s" } },
+ { "Grp", SEC_CONF|SEC_PPD, { "lp" } },
+ { "GSTmp", SEC_CONF|SEC_PPD, { "TMPDIR=/var/tmp" } },
+ { "Log", SEC_CONF|SEC_PPD, { "/var/log/cups" } },