aboutsummaryrefslogtreecommitdiff
path: root/configure.ac
diff options
context:
space:
mode:
authorHennadii Stepanov <32963518+hebasto@users.noreply.github.com>2020-03-14 08:51:27 +0200
committerHennadii Stepanov <32963518+hebasto@users.noreply.github.com>2020-05-12 18:03:39 +0300
commit839add193b13c17a40f42ff69d973caeb800d3f2 (patch)
tree4ffbccd8b44ab92793a60e4b622afdeaa5aa5a09 /configure.ac
parentde5e91c3034f320f84ee0308a3c31659635d136a (diff)
downloadbitcoin-839add193b13c17a40f42ff69d973caeb800d3f2.tar.xz
build: Enable -Wsuggest-override
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac6
1 files changed, 6 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 569b5a298e..5314aad87f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -368,6 +368,10 @@ if test "x$enable_werror" = "xyes"; then
AX_CHECK_COMPILE_FLAG([-Werror=return-type],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=return-type"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Werror=conditional-uninitialized],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=conditional-uninitialized"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Werror=sign-compare],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=sign-compare"],,[[$CXXFLAG_WERROR]])
+ dnl -Wsuggest-override is broken with GCC before 9.2
+ dnl https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78010
+ AX_CHECK_COMPILE_FLAG([-Werror=suggest-override],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=suggest-override"],,[[$CXXFLAG_WERROR]],
+ [AC_LANG_SOURCE([[struct A { virtual void f(); }; struct B : A { void f() final; };]])])
fi
if test "x$CXXFLAGS_overridden" = "xno"; then
@@ -385,6 +389,8 @@ if test "x$CXXFLAGS_overridden" = "xno"; then
AX_CHECK_COMPILE_FLAG([-Wdate-time],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wdate-time"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wconditional-uninitialized],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wconditional-uninitialized"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wsign-compare],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wsign-compare"],,[[$CXXFLAG_WERROR]])
+ AX_CHECK_COMPILE_FLAG([-Wsuggest-override],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wsuggest-override"],,[[$CXXFLAG_WERROR]],
+ [AC_LANG_SOURCE([[struct A { virtual void f(); }; struct B : A { void f() final; };]])])
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