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-rw-r--r--configure.ac21
1 files changed, 21 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 3706b6c4..8cddd1a6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -45,6 +45,24 @@ then
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 $WERROR_FLAGS"
+fi
+
AC_ARG_ENABLE(profile,
[AS_HELP_STRING([--enable-profile], [Compile with profiling support enabled], )],
[profile=$enableval], [profile="no"])
@@ -116,6 +134,9 @@ AM_CONDITIONAL(ENABLE_VTY_TESTS, test "x$enable_vty_tests" = "xyes")
STD_DEFINES_AND_INCLUDES="-Wall"
AC_SUBST(STD_DEFINES_AND_INCLUDES)
+AC_MSG_RESULT([CFLAGS="$CFLAGS"])
+AC_MSG_RESULT([CPPFLAGS="$CPPFLAGS"])
+
AC_OUTPUT(
osmo-pcu.pc
include/Makefile