diff --git a/configure b/configure index 1caca21b625..a5a03f6cec3 100755 --- a/configure +++ b/configure @@ -5852,6 +5852,97 @@ if test x"$pgac_cv_prog_CXX_cxxflags__Wcast_function_type" = x"yes"; then fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC} supports -Wshadow=compatible-local, for CFLAGS" >&5 +$as_echo_n "checking whether ${CC} supports -Wshadow=compatible-local, for CFLAGS... " >&6; } +if ${pgac_cv_prog_CC_cflags__Wshadow_compatible_local+:} false; then : + $as_echo_n "(cached) " >&6 +else + pgac_save_CFLAGS=$CFLAGS +pgac_save_CC=$CC +CC=${CC} +CFLAGS="${CFLAGS} -Wshadow=compatible-local" +ac_save_c_werror_flag=$ac_c_werror_flag +ac_c_werror_flag=yes +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + pgac_cv_prog_CC_cflags__Wshadow_compatible_local=yes +else + pgac_cv_prog_CC_cflags__Wshadow_compatible_local=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_c_werror_flag=$ac_save_c_werror_flag +CFLAGS="$pgac_save_CFLAGS" +CC="$pgac_save_CC" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_prog_CC_cflags__Wshadow_compatible_local" >&5 +$as_echo "$pgac_cv_prog_CC_cflags__Wshadow_compatible_local" >&6; } +if test x"$pgac_cv_prog_CC_cflags__Wshadow_compatible_local" = x"yes"; then + CFLAGS="${CFLAGS} -Wshadow=compatible-local" +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX} supports -Wshadow=compatible-local, for CXXFLAGS" >&5 +$as_echo_n "checking whether ${CXX} supports -Wshadow=compatible-local, for CXXFLAGS... " >&6; } +if ${pgac_cv_prog_CXX_cxxflags__Wshadow_compatible_local+:} false; then : + $as_echo_n "(cached) " >&6 +else + pgac_save_CXXFLAGS=$CXXFLAGS +pgac_save_CXX=$CXX +CXX=${CXX} +CXXFLAGS="${CXXFLAGS} -Wshadow=compatible-local" +ac_save_cxx_werror_flag=$ac_cxx_werror_flag +ac_cxx_werror_flag=yes +ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_compile "$LINENO"; then : + pgac_cv_prog_CXX_cxxflags__Wshadow_compatible_local=yes +else + pgac_cv_prog_CXX_cxxflags__Wshadow_compatible_local=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +ac_cxx_werror_flag=$ac_save_cxx_werror_flag +CXXFLAGS="$pgac_save_CXXFLAGS" +CXX="$pgac_save_CXX" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_prog_CXX_cxxflags__Wshadow_compatible_local" >&5 +$as_echo "$pgac_cv_prog_CXX_cxxflags__Wshadow_compatible_local" >&6; } +if test x"$pgac_cv_prog_CXX_cxxflags__Wshadow_compatible_local" = x"yes"; then + CXXFLAGS="${CXXFLAGS} -Wshadow=compatible-local" +fi + + # This was included in -Wall/-Wformat in older GCC versions { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC} supports -Wformat-security, for CFLAGS" >&5 diff --git a/configure.ac b/configure.ac index 10fa55dd154..c696566a7ff 100644 --- a/configure.ac +++ b/configure.ac @@ -508,6 +508,8 @@ if test "$GCC" = yes -a "$ICC" = no; then PGAC_PROG_CXX_CFLAGS_OPT([-Wimplicit-fallthrough=3]) PGAC_PROG_CC_CFLAGS_OPT([-Wcast-function-type]) PGAC_PROG_CXX_CFLAGS_OPT([-Wcast-function-type]) + PGAC_PROG_CC_CFLAGS_OPT([-Wshadow=compatible-local]) + PGAC_PROG_CXX_CFLAGS_OPT([-Wshadow=compatible-local]) # This was included in -Wall/-Wformat in older GCC versions PGAC_PROG_CC_CFLAGS_OPT([-Wformat-security]) PGAC_PROG_CXX_CFLAGS_OPT([-Wformat-security]) diff --git a/meson.build b/meson.build index f0cb01c0015..925db70c9d5 100644 --- a/meson.build +++ b/meson.build @@ -1709,6 +1709,7 @@ common_warning_flags = [ '-Wmissing-format-attribute', '-Wimplicit-fallthrough=3', '-Wcast-function-type', + '-Wshadow=compatible-local', # This was included in -Wall/-Wformat in older GCC versions '-Wformat-security', ]