configure.ac: Add --enable-werror

[petitboot] / configure.ac.in

diff --git a/configure.ac.in b/configure.ac.in
index b1791cd2a09b4dc1d9450a0aba7fbd6eb2b153e0..1f4a4199193d24b0b9dd3a1d0facc61716547991 100644 (file)
--- a/configure.ac.in
+++ b/configure.ac.in
@@ -167,6 +167,14 @@ default_cflags="--std=gnu99 -g \
        -Wall -W -Wunused -Wstrict-prototypes -Wmissing-prototypes \
        -Wmissing-declarations -Wredundant-decls -Winline"
 
+AC_ARG_ENABLE(
+       [werror],
+       [AS_HELP_STRING([--enable-werror],
+               [build programs with -Werror]
+       )],
+       [default_cflags="$default_cflags -Werror"]
+)
+
 AS_IF(
        [test "x$enable_debug" = "xyes"],
        [AC_SUBST([DEFAULT_CFLAGS], ["$default_cflags -O0 -DDEBUG"])],