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-rw-r--r--m4/gecko.m42
1 files changed, 1 insertions, 1 deletions
diff --git a/m4/gecko.m4 b/m4/gecko.m4
index 7a8d81643..b9053e148 100644
--- a/m4/gecko.m4
+++ b/m4/gecko.m4
@@ -64,7 +64,7 @@ if test -z "$_GECKO"; then
fi
if test "x$_GECKO" = "x"; then
- AC_MSG_ERROR([No gecko found])
+ AC_MSG_ERROR([No gecko found; you may need to adjust PKG_CONFIG_PATH or install a mozilla/firefox/xulrunner -devel package])
elif ! ( echo "$_geckos" | egrep "(^| )$_GECKO(\$| )" > /dev/null); then
AC_MSG_ERROR([Unknown gecko "$_GECKO" specified])
fi