--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/jbig2dec/autogen.sh	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,180 @@
+#!/bin/sh
+# Run this to set up the build system: configure, makefiles, etc.
+
+package="jbig2dec"
+AUTOMAKE_FLAGS="$AUTOMAKE_FLAGS"
+
+srcdir=`dirname $0`
+test -z "$srcdir" && srcdir=.
+
+cd "$srcdir"
+
+echo "checking for autoconf... "
+(autoconf --version) < /dev/null > /dev/null 2>&1 || {
+        echo
+        echo "You must have autoconf installed to compile $package."
+        echo "Download the appropriate package for your distribution,"
+        echo "or get the source tarball at ftp://ftp.gnu.org/pub/gnu/"
+	exit 1
+}
+
+VERSIONGREP="sed -e s/.*[^0-9\.]\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/"
+VERSIONMKMAJ="sed -e s/\([0-9][0-9]*\)[^0-9].*/\\1/"
+VERSIONMKMIN="sed -e s/.*[0-9][0-9]*\.//"
+
+JBIG2VERSIONGREP="sed -e s/^.*(\([0-9][0-9]*\)).*/\\1/"
+JBIG2MAJOR=$(grep 'define JBIG2_VERSION_MAJOR' jbig2.h | $JBIG2VERSIONGREP)
+JBIG2MINOR=$(grep 'define JBIG2_VERSION_MINOR' jbig2.h | $JBIG2VERSIONGREP)
+sed -e "s/^\(AC_INIT[^,]*,\)[^,]*\(,.*\)$/\1 [$JBIG2MAJOR.$JBIG2MINOR]\2/" configure.ac.in > configure.ac
+
+# do we need automake?
+if test "x$USE_OLD" = "xyes" ; then
+  if test -r Makefile.am; then
+    AM_OPTIONS=`fgrep AUTOMAKE_OPTIONS Makefile.am`
+    AM_NEEDED=`echo $AM_OPTIONS | $VERSIONGREP`
+    if test "x$AM_NEEDED" = "x$AM_OPTIONS"; then
+      AM_NEEDED=""
+    fi
+    if test -z "$AM_NEEDED"; then
+      echo -n "checking for automake... "
+      AUTOMAKE=automake
+      ACLOCAL=aclocal
+      if ($AUTOMAKE --version < /dev/null > /dev/null 2>&1); then
+        echo "yes"
+      else
+        echo "no"
+        AUTOMAKE=
+      fi
+    else
+      echo -n "checking for automake $AM_NEEDED or later... "
+      majneeded=`echo $AM_NEEDED | $VERSIONMKMAJ`
+      minneeded=`echo $AM_NEEDED | $VERSIONMKMIN`
+      for am in automake-$AM_NEEDED automake$AM_NEEDED automake \
+          automake-1.7 automake-1.8 automake-1.9 automake-1.10; do
+        ($am --version < /dev/null > /dev/null 2>&1) || continue
+        ver=`$am --version < /dev/null | head -n 1 | $VERSIONGREP`
+        maj=`echo $ver | $VERSIONMKMAJ`
+        min=`echo $ver | $VERSIONMKMIN`
+        if test $maj -eq $majneeded -a $min -ge $minneeded; then
+          AUTOMAKE=$am
+          echo $AUTOMAKE
+          break
+        fi
+      done
+      test -z $AUTOMAKE &&  echo "no"
+      echo -n "checking for aclocal $AM_NEEDED or later... "
+      for ac in aclocal-$AM_NEEDED aclocal$AM_NEEDED aclocal\
+          aclocal-1.7 aclocal-1.8 aclocal-1.9 aclocal-1.10; do
+        ($ac --version < /dev/null > /dev/null 2>&1) || continue
+        ver=`$ac --version < /dev/null | head -n 1 | $VERSIONGREP`
+        maj=`echo $ver | $VERSIONMKMAJ`
+        min=`echo $ver | $VERSIONMKMIN`
+        if test $maj -eq $majneeded -a $min -ge $minneeded; then
+          ACLOCAL=$ac
+          echo $ACLOCAL
+          break
+        fi
+      done
+      test -z $ACLOCAL && echo "no"
+    fi
+    test -z $AUTOMAKE || test -z $ACLOCAL && {
+          echo
+          echo "You must have automake installed to compile $package."
+          echo "Download the appropriate package for your distribution,"
+          echo "or get the source tarball at ftp://ftp.gnu.org/pub/gnu/"
+          exit 1
+    }
+  fi
+else
+  AUTOMAKE=automake
+  ACLOCAL=aclocal
+  AM_VER=`$AUTOMAKE --version | grep "automake (GNU automake)" | sed 's/[^0-9\.]*//g'`
+  AM_MAJ=`echo $AM_VER |cut -d. -f1`
+  AM_MIN=`echo $AM_VER |cut -d. -f2`
+  AM_PAT=`echo $AM_VER |cut -d. -f3`
+
+  AM_NEEDED=`fgrep AUTOMAKE_OPTIONS Makefile.am | $VERSIONGREP`
+  AM_MAJOR_REQ=`echo $AM_NEEDED |cut -d. -f1`
+  AM_MINOR_REQ=`echo $AM_NEEDED |cut -d. -f2`
+
+  echo "checking for automake $AM_NEEDED or later..."
+
+  if [ $AM_MAJ -lt $AM_MAJOR_REQ -o $AM_MIN -lt $AM_MINOR_REQ ] ; then
+    echo
+    echo "You must have automake $AM_NEEDED or better installed to compile $package."
+    echo "Download the appropriate package for your distribution,"
+    echo "or get the source tarball at ftp://ftp.gnu.org/pub/gnu/"
+    exit 1
+  fi
+fi
+
+# do we need libtool?
+if ! test -z `grep -l -s -e PROG_LIBTOOL configure.ac configure.in`; then
+  echo -n "Checking for libtoolize... "
+  LIBTOOLIZE=
+  for lt in glibtoolize libtoolize; do
+    if ($lt --version < /dev/null > /dev/null 2>&1); then
+      LIBTOOLIZE=$lt
+      echo $lt
+      break;
+    fi
+  done
+  if test -z $LIBTOOLIZE; then
+        echo
+        echo "You must have GNU libtool installed to compile $package."
+        echo "Download the appropriate package for your distribution,"
+        echo "or get the source tarball at ftp://ftp.gnu.org/pub/gnu/"
+	exit 1
+  fi
+fi
+
+echo "Generating configuration files for $package, please wait...."
+
+echo "  $ACLOCAL $ACLOCAL_FLAGS"
+$ACLOCAL $ACLOCAL_FLAGS
+
+echo "  $LIBTOOLIZE"
+$LIBTOOLIZE --copy
+
+echo "  autoheader"
+autoheader
+
+echo "  creating config_types.h.in"
+cat >config_types.h.in <<EOF
+/*
+   generated header with missing types for the
+   jbig2dec program and library. include this
+   after config.h, within the HAVE_CONFIG_H
+   ifdef
+*/
+
+#ifdef HAVE_STDINT_H
+#  include <stdint.h>
+#else
+#  ifdef JBIG2_REPLACE_STDINT_H
+#   include <@JBIG2_STDINT_H@>
+#  else
+    typedef unsigned @JBIG2_INT32_T@ uint32_t;
+    typedef unsigned @JBIG2_INT16_T@ uint16_t;
+    typedef unsigned @JBIG2_INT8_T@ uint8_t;
+    typedef signed @JBIG2_INT32_T@ int32_t;
+    typedef signed @JBIG2_INT16_T@ int16_t;
+    typedef signed @JBIG2_INT8_T@ int8_t;
+#  endif /* JBIG2_REPLACE_STDINT */
+#endif /* HAVE_STDINT_H */
+EOF
+
+echo "  $AUTOMAKE --add-missing $AUTOMAKE_FLAGS"
+$AUTOMAKE --add-missing --copy $AUTOMAKE_FLAGS
+
+echo "  autoconf"
+autoconf
+
+if test -z "$*"; then
+        echo "I am going to run ./configure with no arguments - if you wish "
+        echo "to pass any to it, please specify them on the $0 command line."
+else
+	echo "running ./configure $@"
+fi
+
+$srcdir/configure "$@" && echo