configure.ac: Add --enable-werror option
Change-Id: Ib2782aecd400398bf36427f255c2a427ef781e06
diff --git a/configure.ac b/configure.ac
index cc099d2..e1cc121 100644
--- a/configure.ac
+++ b/configure.ac
@@ -90,6 +90,25 @@
LDFLAGS="$LDFLAGS -fsanitize=address -fsanitize=undefined"
fi
+AC_ARG_ENABLE(werror,
+ [AS_HELP_STRING(
+ [--enable-werror],
+ [Turn all compiler warnings into errors, with exceptions:
+ a) deprecation (allow upstream to mark deprecation without breaking builds);
+ b) "#warning" pragmas (allow to remind ourselves of errors without breaking builds)
+ ]
+ )],
+ [werror=$enableval], [werror="no"])
+if test x"$werror" = x"yes"
+then
+ WERROR_FLAGS="-Werror"
+ WERROR_FLAGS+=" -Wno-error=deprecated -Wno-error=deprecated-declarations"
+ WERROR_FLAGS+=" -Wno-error=cpp" # "#warning"
+ CFLAGS="$CFLAGS $WERROR_FLAGS"
+ CPPFLAGS="$CPPFLAGS $WERROR_FLAGS"
+fi
+
+
AC_ARG_WITH(uhd, [
AS_HELP_STRING([--with-uhd],
[enable UHD based transceiver])