From f55d7adcb12bfff0110af6740595fa8f5ca274a2 Mon Sep 17 00:00:00 2001
From: Arkadiusz Hiler <ahiler@codeweavers.com>
Date: Fri, 11 Jun 2021 00:50:53 +0300
Subject: [PATCH] configure.sh: Check for host-side tools and warn if something
 is missing.

The checks don't exit immediately so users won't have to rerun configure
after installing only a single dependency.
---
 configure.sh | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/configure.sh b/configure.sh
index dac12fe5..c5660c31 100755
--- a/configure.sh
+++ b/configure.sh
@@ -31,6 +31,21 @@ die()      { err "$@"; exit 1; }
 finish()   { stat "$@"; exit 0; }
 cmd()      { showcmd "$@"; "$@"; }
 
+#
+# Dependency Checks
+#
+
+MISSING_DEPENDENCIES=0
+
+dependency_command() {
+    local COMMAND=$1
+    shift
+    if ! command -v "$COMMAND" &> /dev/null; then
+        err "Couldn't find command '$COMMAND'. Please install ${@:-$COMMAND}."
+        MISSING_DEPENDENCIES=1
+    fi
+}
+
 #
 # Configure
 #
@@ -64,6 +79,21 @@ function configure() {
     info "No build name specified, using default: $build_name"
   fi
 
+  dependency_command fontforge
+  dependency_command find "findutils"
+  dependency_command make "GNU Make"
+  dependency_command rsync
+  dependency_command wget
+  dependency_command xz
+  dependency_command patch
+  dependency_command autoconf
+  dependency_command git
+  dependency_command python3
+
+  if [ "$MISSING_DEPENDENCIES" -ne 0 ]; then
+      die "Missing dependencies, cannot continue."
+  fi
+
   ## Write out config
   # Don't die after this point or we'll have rather unhelpfully deleted the Makefile
   [[ ! -e "$MAKEFILE" ]] || rm "$MAKEFILE"