Build AppImage and linux binary using Ubuntu 18.04 (fixes #1068)

This is needed to get an old enough version of glibc to run the Linux
binary as an AWS Lambda layer and to support some versions of CentOS.

1 files changed, 2 insertions, 2 deletions

diff --git a/appimage/build-appimage b/appimage/build-appimage
index 0e86bff6..f970b7df 100755
--- a/appimage/build-appimage
+++ b/appimage/build-appimage
@@ -47,14 +47,14 @@ fi
 _osversion=$(cat /etc/os-release | grep PRETTY_NAME | awk -F'=' '{print $2}' | sed 's#"##g')
 
 # Warn users building the AppImage locally:
-if [[ ! $_osversion =~ Ubuntu\ 20.04.*\ LTS ]]; then
+if [[ ! $_osversion =~ Ubuntu\ 18.04.*\ LTS ]]; then
 set +x
     echo ""
     #    0         1         2         3         4         5         6         7
     #    01234567890123456789012345678901234567890123456789012345678901234567890123456789
     echo "+===========================================================================+"
     echo "|| WARNING: You are about to build a QPDF AppImage on a system which is    ||"
-    echo "|| NOT Ubuntu 20.04 LTS.                                                   ||"
+    echo "|| NOT Ubuntu 18.04 LTS.                                                   ||"
     echo "||                                                                         ||"
     echo "||    It is recommended that you use a distribution that is at least a     ||"
     echo "||    few years old to maximize the number of Linux distributions the      ||"