diff options
| author | Hennadii Stepanov <32963518+hebasto@users.noreply.github.com> | 2020-03-14 08:51:27 +0200 |
|---|---|---|
| committer | Hennadii Stepanov <32963518+hebasto@users.noreply.github.com> | 2020-05-12 18:03:39 +0300 |
| commit | 839add193b13c17a40f42ff69d973caeb800d3f2 (patch) | |
| tree | 4ffbccd8b44ab92793a60e4b622afdeaa5aa5a09 /configure.ac | |
| parent | de5e91c3034f320f84ee0308a3c31659635d136a (diff) | |
build: Enable -Wsuggest-override
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 6 |
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 |