From: Christian Heller Date: Mon, 9 Mar 2015 14:33:12 +0000 (+0100) Subject: Add user-friendly safeguards against running with unmet dependencies. X-Git-Url: https://plomlompom.com/repos/%7B%7Bdb.prefix%7D%7D/%7B%7B%20web_path%20%7D%7D/decks/%7B%7Bprefix%7D%7D/day?a=commitdiff_plain;h=a479cbb6a237128a69ac979ca15743a1992b7c27;p=plomrogue Add user-friendly safeguards against running with unmet dependencies. --- diff --git a/redo b/redo index 4081117..51f7aff 100755 --- a/redo +++ b/redo @@ -18,5 +18,31 @@ # for a # workaround. +# Some tests first: for gcc, and certain necessary header files. (This is not +# strictly the responsibility of a mere redo wrapper. But those using a +# pre-installed redo probably will be fine with the error messages thrown by it +# if these miss.) +test=`command -v gcc | wc -l` +if [ 1 != $test ] +then + echo "FAILURE:" + echo "No gcc installed, but it's needed!" + exit 1 +fi +test_header() { + code="#include <$1>" + test=`echo $code | cpp -H -o /dev/null 2>&1 | head -n1 | grep error | wc -l` + if [ 0 != $test ] + then + echo "FAILURE:" + echo "No $1 header file found, but it's needed!" + echo "Maybe install some $2 package?" + exit 1 + fi +} +test_header stdlib.h libc6-dev # Assume stdlib.h guarantees full libc6-dev. +test_header ncurses.h libncurses5-dev + +# The actual redo calling. export PATH=$PATH:$PWD/build/redo_scripts redo "$@" diff --git a/start_server_client_union.sh b/start_server_client_union.sh index 3b7dccc..ad05038 100755 --- a/start_server_client_union.sh +++ b/start_server_client_union.sh @@ -9,6 +9,15 @@ then rm log fi +# Abort if no proper Python version installed. +test=`command -v python3 | wc -l` +if [ 1 != $test ] +then + echo "FAILURE:" + echo "No python3 installed, but it's needed!" + exit 1 +fi + # Give helpful message to players that want to start without compiling first. if [ ! -e ./roguelike-client ] then