configure: Fail if tools are missing

[ipfire.org.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 97e5f21ca3dee6a7eb619d337843771a204cf139..b71677ca11a817c42151fc30230d98033d843a8b 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -30,9 +30,15 @@ AM_PATH_PYTHON([3.4])
 
 # scss
 AC_CHECK_PROG(SASSC, [sassc], [sassc])
+if test -z "${SASSC}"; then
+       AC_MSG_ERROR([sassc is required])
+fi
 
 # convert from ImageMagick
 AC_CHECK_PROG(CONVERT, [convert], [convert])
+if test -z "${CONVERT}"; then
+       AC_MSG_ERROR([convert is required])
+fi
 
 # ------------------------------------------------------------------------------