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-rw-r--r--configure.ac12
1 files changed, 12 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index a53705aa22..cce97e9259 100644
--- a/configure.ac
+++ b/configure.ac
@@ -439,6 +439,10 @@ if test "x$enable_werror" = "xyes"; then
[AC_LANG_SOURCE([[struct A { virtual void f(); }; struct B : A { void f() final; };]])])
AX_CHECK_COMPILE_FLAG([-Werror=unreachable-code-loop-increment],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=unreachable-code-loop-increment"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Werror=mismatched-tags], [ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=mismatched-tags"], [], [$CXXFLAG_WERROR])
+
+ if test x$suppress_external_warnings != xno ; then
+ AX_CHECK_COMPILE_FLAG([-Werror=documentation],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=documentation"],,[[$CXXFLAG_WERROR]])
+ fi
fi
if test "x$CXXFLAGS_overridden" = "xno"; then
@@ -466,6 +470,10 @@ if test "x$CXXFLAGS_overridden" = "xno"; then
[AC_LANG_SOURCE([[struct A { virtual void f(); }; struct B : A { void f() final; };]])])
AX_CHECK_COMPILE_FLAG([-Wunreachable-code-loop-increment],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wunreachable-code-loop-increment"],,[[$CXXFLAG_WERROR]])
+ if test x$suppress_external_warnings != xno ; then
+ AX_CHECK_COMPILE_FLAG([-Wdocumentation],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wdocumentation"],,[[$CXXFLAG_WERROR]])
+ fi
+
dnl Some compilers (gcc) ignore unknown -Wno-* options, but warn about all
dnl unknown options if any other warning is produced. Test the -Wfoo case, and
dnl set the -Wno-foo case if it works.
@@ -1485,6 +1493,10 @@ if test x$build_bitcoin_cli$build_bitcoind$bitcoin_enable_qt$use_tests$use_bench
if test x$TARGET_OS != xwindows; then
PKG_CHECK_MODULES([EVENT_PTHREADS], [libevent_pthreads >= 2.0.21],, [AC_MSG_ERROR([libevent_pthreads version 2.0.21 or greater not found.])])
fi
+
+ if test x$suppress_external_warnings != xno; then
+ EVENT_CFLAGS=SUPPRESS_WARNINGS($EVENT_CFLAGS)
+ fi
fi
dnl QR Code encoding library check