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author | Rafael Espindola <rafael.espindola@gmail.com> | 2012-02-28 23:32:06 +0000 |
---|---|---|
committer | Rafael Espindola <rafael.espindola@gmail.com> | 2012-02-28 23:32:06 +0000 |
commit | 9993a3aebb27c5cac55429a23af2d2a0f129cb95 (patch) | |
tree | a6d7ba55042342df7c025027bedb4c583da2c492 | |
parent | 1485455be0310c6b24f096823029e08867531016 (diff) | |
download | external_llvm-9993a3aebb27c5cac55429a23af2d2a0f129cb95.zip external_llvm-9993a3aebb27c5cac55429a23af2d2a0f129cb95.tar.gz external_llvm-9993a3aebb27c5cac55429a23af2d2a0f129cb95.tar.bz2 |
Enable -Wcovered-switch-default again, but add -Werror to the checks to make
sure we don't use it with compilers that don't support it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151665 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | Makefile.config.in | 2 | ||||
-rw-r--r-- | Makefile.rules | 2 | ||||
-rw-r--r-- | autoconf/configure.ac | 3 | ||||
-rw-r--r-- | autoconf/m4/cxx_flag_check.m4 | 2 | ||||
-rw-r--r-- | cmake/modules/HandleLLVMOptions.cmake | 4 | ||||
-rwxr-xr-x | configure | 16 | ||||
-rw-r--r-- | projects/sample/Makefile.llvm.config.in | 2 | ||||
-rw-r--r-- | projects/sample/Makefile.llvm.rules | 2 | ||||
-rw-r--r-- | projects/sample/autoconf/configure.ac | 3 | ||||
-rw-r--r-- | projects/sample/autoconf/m4/cxx_flag_check.m4 | 2 | ||||
-rwxr-xr-x | projects/sample/configure | 16 |
11 files changed, 36 insertions, 18 deletions
diff --git a/Makefile.config.in b/Makefile.config.in index b565bb4..7b9af41 100644 --- a/Makefile.config.in +++ b/Makefile.config.in @@ -337,6 +337,8 @@ BINUTILS_INCDIR := @BINUTILS_INCDIR@ NO_MISSING_FIELD_INITIALIZERS = @NO_MISSING_FIELD_INITIALIZERS@ # -Wno-variadic-macros NO_VARIADIC_MACROS = @NO_VARIADIC_MACROS@ +# -Wcovered-switch-default +COVERED_SWITCH_DEFAULT = @COVERED_SWITCH_DEFAULT@ # Was polly found in tools/polly? LLVM_HAS_POLLY = @LLVM_HAS_POLLY@ diff --git a/Makefile.rules b/Makefile.rules index a1edb6b..a56f26e 100644 --- a/Makefile.rules +++ b/Makefile.rules @@ -650,7 +650,7 @@ ifndef NO_PEDANTIC CompileCommonOpts += -pedantic -Wno-long-long endif CompileCommonOpts += -Wall -W -Wno-unused-parameter -Wwrite-strings \ - $(EXTRA_OPTIONS) + $(EXTRA_OPTIONS) $(COVERED_SWITCH_DEFAULT) # Enable cast-qual for C++; the workaround is to use const_cast. CXX.Flags += -Wcast-qual diff --git a/autoconf/configure.ac b/autoconf/configure.ac index 3a86531..b28508e 100644 --- a/autoconf/configure.ac +++ b/autoconf/configure.ac @@ -1115,7 +1115,8 @@ dnl Check optional compiler flags. AC_MSG_CHECKING([optional compiler flags]) CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros]) CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers]) -AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS]) +CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default]) +AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT]) dnl===-----------------------------------------------------------------------=== dnl=== diff --git a/autoconf/m4/cxx_flag_check.m4 b/autoconf/m4/cxx_flag_check.m4 index ab09f2a..62454b7 100644 --- a/autoconf/m4/cxx_flag_check.m4 +++ b/autoconf/m4/cxx_flag_check.m4 @@ -1,2 +1,2 @@ AC_DEFUN([CXX_FLAG_CHECK], - [AC_SUBST($1, `$CXX $2 -fsyntax-only -xc /dev/null 2>/dev/null && echo $2`)]) + [AC_SUBST($1, `$CXX -Werror $2 -fsyntax-only -xc /dev/null 2>/dev/null && echo $2`)]) diff --git a/cmake/modules/HandleLLVMOptions.cmake b/cmake/modules/HandleLLVMOptions.cmake index 496e8b3..0a5c02f 100644 --- a/cmake/modules/HandleLLVMOptions.cmake +++ b/cmake/modules/HandleLLVMOptions.cmake @@ -182,6 +182,10 @@ elseif( LLVM_COMPILER_IS_GCC_COMPATIBLE ) if (LLVM_ENABLE_PEDANTIC) add_llvm_definitions( -pedantic -Wno-long-long ) endif (LLVM_ENABLE_PEDANTIC) + check_cxx_compiler_flag("-Werror -Wcovered-switch-default" SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG) + if( SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG ) + add_llvm_definitions( -Wcovered-switch-default ) + endif() endif (LLVM_ENABLE_WARNINGS) if (LLVM_ENABLE_WERROR) add_llvm_definitions( -Werror ) @@ -765,6 +765,7 @@ CONVENIENCE_LTDL_FALSE LIBADD_DL NO_VARIADIC_MACROS NO_MISSING_FIELD_INITIALIZERS +COVERED_SWITCH_DEFAULT USE_UDIS86 USE_OPROFILE HAVE_PTHREAD @@ -10463,7 +10464,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<EOF -#line 10466 "configure" +#line 10467 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -12218,12 +12219,14 @@ echo "${ECHO_T}ok" >&6; } { echo "$as_me:$LINENO: checking optional compiler flags" >&5 echo $ECHO_N "checking optional compiler flags... $ECHO_C" >&6; } -NO_VARIADIC_MACROS=`$CXX -Wno-variadic-macros -fsyntax-only -xc /dev/null 2>/dev/null && echo -Wno-variadic-macros` +NO_VARIADIC_MACROS=`$CXX -Werror -Wno-variadic-macros -fsyntax-only -xc /dev/null 2>/dev/null && echo -Wno-variadic-macros` -NO_MISSING_FIELD_INITIALIZERS=`$CXX -Wno-missing-field-initializers -fsyntax-only -xc /dev/null 2>/dev/null && echo -Wno-missing-field-initializers` +NO_MISSING_FIELD_INITIALIZERS=`$CXX -Werror -Wno-missing-field-initializers -fsyntax-only -xc /dev/null 2>/dev/null && echo -Wno-missing-field-initializers` -{ echo "$as_me:$LINENO: result: $NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS" >&5 -echo "${ECHO_T}$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS" >&6; } +COVERED_SWITCH_DEFAULT=`$CXX -Werror -Wcovered-switch-default -fsyntax-only -xc /dev/null 2>/dev/null && echo -Wcovered-switch-default` + +{ echo "$as_me:$LINENO: result: $NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT" >&5 +echo "${ECHO_T}$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT" >&6; } @@ -21974,6 +21977,7 @@ CONVENIENCE_LTDL_FALSE!$CONVENIENCE_LTDL_FALSE$ac_delim LIBADD_DL!$LIBADD_DL$ac_delim NO_VARIADIC_MACROS!$NO_VARIADIC_MACROS$ac_delim NO_MISSING_FIELD_INITIALIZERS!$NO_MISSING_FIELD_INITIALIZERS$ac_delim +COVERED_SWITCH_DEFAULT!$COVERED_SWITCH_DEFAULT$ac_delim USE_UDIS86!$USE_UDIS86$ac_delim USE_OPROFILE!$USE_OPROFILE$ac_delim HAVE_PTHREAD!$HAVE_PTHREAD$ac_delim @@ -22001,7 +22005,7 @@ LIBOBJS!$LIBOBJS$ac_delim LTLIBOBJS!$LTLIBOBJS$ac_delim _ACEOF - if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 91; then + if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 92; then break elif $ac_last_try; then { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5 diff --git a/projects/sample/Makefile.llvm.config.in b/projects/sample/Makefile.llvm.config.in index a53e7b1..9e0c34c 100644 --- a/projects/sample/Makefile.llvm.config.in +++ b/projects/sample/Makefile.llvm.config.in @@ -301,6 +301,8 @@ BINUTILS_INCDIR := @BINUTILS_INCDIR@ NO_MISSING_FIELD_INITIALIZERS = @NO_MISSING_FIELD_INITIALIZERS@ # -Wno-variadic-macros NO_VARIADIC_MACROS = @NO_VARIADIC_MACROS@ +# -Wcovered-switch-default +COVERED_SWITCH_DEFAULT = @COVERED_SWITCH_DEFAULT@ # Was polly found in tools/polly? LLVM_HAS_POLLY = @LLVM_HAS_POLLY@ diff --git a/projects/sample/Makefile.llvm.rules b/projects/sample/Makefile.llvm.rules index f496bd4..7467d84 100644 --- a/projects/sample/Makefile.llvm.rules +++ b/projects/sample/Makefile.llvm.rules @@ -571,7 +571,7 @@ ifndef NO_PEDANTIC CompileCommonOpts += -pedantic -Wno-long-long endif CompileCommonOpts += -Wall -W -Wno-unused-parameter -Wwrite-strings \ - $(EXTRA_OPTIONS) + $(EXTRA_OPTIONS) $(COVERED_SWITCH_DEFAULT) # Enable cast-qual for C++; the workaround is to use const_cast. CXX.Flags += -Wcast-qual diff --git a/projects/sample/autoconf/configure.ac b/projects/sample/autoconf/configure.ac index 1caff51..a1110ec 100644 --- a/projects/sample/autoconf/configure.ac +++ b/projects/sample/autoconf/configure.ac @@ -1019,7 +1019,8 @@ dnl Check optional compiler flags. AC_MSG_CHECKING([optional compiler flags]) CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros]) CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers]) -AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS]) +CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default]) +AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT]) dnl===-----------------------------------------------------------------------=== dnl=== diff --git a/projects/sample/autoconf/m4/cxx_flag_check.m4 b/projects/sample/autoconf/m4/cxx_flag_check.m4 index ab09f2a..62454b7 100644 --- a/projects/sample/autoconf/m4/cxx_flag_check.m4 +++ b/projects/sample/autoconf/m4/cxx_flag_check.m4 @@ -1,2 +1,2 @@ AC_DEFUN([CXX_FLAG_CHECK], - [AC_SUBST($1, `$CXX $2 -fsyntax-only -xc /dev/null 2>/dev/null && echo $2`)]) + [AC_SUBST($1, `$CXX -Werror $2 -fsyntax-only -xc /dev/null 2>/dev/null && echo $2`)]) diff --git a/projects/sample/configure b/projects/sample/configure index dab1dc5..ca654d0 100755 --- a/projects/sample/configure +++ b/projects/sample/configure @@ -762,6 +762,7 @@ CONVENIENCE_LTDL_FALSE LIBADD_DL NO_VARIADIC_MACROS NO_MISSING_FIELD_INITIALIZERS +COVERED_SWITCH_DEFAULT USE_UDIS86 USE_OPROFILE HAVE_PTHREAD @@ -10365,7 +10366,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<EOF -#line 10368 "configure" +#line 10369 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -12120,12 +12121,14 @@ echo "${ECHO_T}ok" >&6; } { echo "$as_me:$LINENO: checking optional compiler flags" >&5 echo $ECHO_N "checking optional compiler flags... $ECHO_C" >&6; } -NO_VARIADIC_MACROS=`$CXX -Wno-variadic-macros -fsyntax-only -xc /dev/null 2>/dev/null && echo -Wno-variadic-macros` +NO_VARIADIC_MACROS=`$CXX -Werror -Wno-variadic-macros -fsyntax-only -xc /dev/null 2>/dev/null && echo -Wno-variadic-macros` -NO_MISSING_FIELD_INITIALIZERS=`$CXX -Wno-missing-field-initializers -fsyntax-only -xc /dev/null 2>/dev/null && echo -Wno-missing-field-initializers` +NO_MISSING_FIELD_INITIALIZERS=`$CXX -Werror -Wno-missing-field-initializers -fsyntax-only -xc /dev/null 2>/dev/null && echo -Wno-missing-field-initializers` -{ echo "$as_me:$LINENO: result: $NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS" >&5 -echo "${ECHO_T}$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS" >&6; } +COVERED_SWITCH_DEFAULT=`$CXX -Werror -Wcovered-switch-default -fsyntax-only -xc /dev/null 2>/dev/null && echo -Wcovered-switch-default` + +{ echo "$as_me:$LINENO: result: $NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT" >&5 +echo "${ECHO_T}$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT" >&6; } @@ -21816,6 +21819,7 @@ CONVENIENCE_LTDL_FALSE!$CONVENIENCE_LTDL_FALSE$ac_delim LIBADD_DL!$LIBADD_DL$ac_delim NO_VARIADIC_MACROS!$NO_VARIADIC_MACROS$ac_delim NO_MISSING_FIELD_INITIALIZERS!$NO_MISSING_FIELD_INITIALIZERS$ac_delim +COVERED_SWITCH_DEFAULT!$COVERED_SWITCH_DEFAULT$ac_delim USE_UDIS86!$USE_UDIS86$ac_delim USE_OPROFILE!$USE_OPROFILE$ac_delim HAVE_PTHREAD!$HAVE_PTHREAD$ac_delim @@ -21843,7 +21847,7 @@ LIBOBJS!$LIBOBJS$ac_delim LTLIBOBJS!$LTLIBOBJS$ac_delim _ACEOF - if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 90; then + if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 91; then break elif $ac_last_try; then { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5 |