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-rw-r--r--erts/etc/common/erlc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/erts/etc/common/erlc.c b/erts/etc/common/erlc.c
index c958fed741..216ff7f40e 100644
--- a/erts/etc/common/erlc.c
+++ b/erts/etc/common/erlc.c
@@ -310,6 +310,8 @@ main(int argc, char** argv)
case 'W': /* Enable warnings. */
if (strcmp(argv[1]+2, "all") == 0) {
PUSH2("@warn", "999");
+ } else if (strcmp(argv[1]+2, "error") == 0) {
+ PUSH2("@option", "warnings_as_errors");
} else if (isdigit((int)argv[1][2])) {
PUSH2("@warn", argv[1]+2);
} else {
@@ -566,6 +568,7 @@ usage(void)
{"-pz path", "add path to the end of Erlang's code path"},
{"-smp", "compile using SMP emulator"},
{"-v", "verbose compiler output"},
+ {"-Werror", "make all warnings into errors"},
{"-W0", "disable warnings"},
{"-Wnumber", "set warning level to number"},
{"-Wall", "enable all warnings"},