From 8a643cc36cf121de3a9131f95547eba927413710 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Tue, 14 Jul 2015 08:39:12 -0700 Subject: [PATCH] Sync config/warnings.m4 with GCC config/ Sync with GCC 2015-05-27 Jason Merrill PR bootstrap/66304 * warnings.m4 (ACX_PROG_CXX_WARNING_OPTS) (ACX_PROG_CXX_WARNINGS_ARE_ERRORS) (ACX_PROG_CXX_WARNING_ALMOST_PEDANTIC): New. (ACX_PROG_CC_WARNING_OPTS, ACX_PROG_CC_WARNING_ALMOST_PEDANTIC) (ACX_PROG_CC_WARNINGS_ARE_ERRORS): Push into C language context. libdecnumber/ * configure: Regenerated. libiberty/ * configure: Regenerated. opcodes/ * configure: Regenerated. --- config/ChangeLog | 12 +++++ config/warnings.m4 | 112 ++++++++++++++++++++++++++++++++++++++++- libdecnumber/ChangeLog | 4 ++ libdecnumber/configure | 36 +++++++++++++ libiberty/ChangeLog | 4 ++ libiberty/configure | 24 +++++++++ opcodes/ChangeLog | 4 ++ opcodes/configure | 12 +++++ 8 files changed, 207 insertions(+), 1 deletion(-) diff --git a/config/ChangeLog b/config/ChangeLog index 17b45cd232c..7c6e3e01218 100644 --- a/config/ChangeLog +++ b/config/ChangeLog @@ -1,3 +1,15 @@ +2015-07-14 H.J. Lu + + Sync with GCC + 2015-05-27 Jason Merrill + + PR bootstrap/66304 + * warnings.m4 (ACX_PROG_CXX_WARNING_OPTS) + (ACX_PROG_CXX_WARNINGS_ARE_ERRORS) + (ACX_PROG_CXX_WARNING_ALMOST_PEDANTIC): New. + (ACX_PROG_CC_WARNING_OPTS, ACX_PROG_CC_WARNING_ALMOST_PEDANTIC) + (ACX_PROG_CC_WARNINGS_ARE_ERRORS): Push into C language context. + 2015-07-14 H.J. Lu Sync with GCC diff --git a/config/warnings.m4 b/config/warnings.m4 index b64b594e627..ce007f9b73e 100644 --- a/config/warnings.m4 +++ b/config/warnings.m4 @@ -18,11 +18,12 @@ #along with GCC; see the file COPYING3. If not see #. -# ACX_PROG_CC_WARNING_OPTS(WARNINGS, [VARIABLE = WARN_CFLAGS) +# ACX_PROG_CC_WARNING_OPTS(WARNINGS, [VARIABLE = WARN_CFLAGS]) # Sets @VARIABLE@ to the subset of the given options which the # compiler accepts. AC_DEFUN([ACX_PROG_CC_WARNING_OPTS], [AC_REQUIRE([AC_PROG_CC])dnl +AC_LANG_PUSH(C) m4_pushdef([acx_Var], [m4_default([$2], [WARN_CFLAGS])])dnl AC_SUBST(acx_Var)dnl m4_expand_once([acx_Var= @@ -48,6 +49,7 @@ for real_option in $1; do done CFLAGS="$save_CFLAGS" m4_popdef([acx_Var])dnl +AC_LANG_POP(C) ])# ACX_PROG_CC_WARNING_OPTS # ACX_PROG_CC_WARNING_ALMOST_PEDANTIC(WARNINGS, [VARIABLE = WARN_PEDANTIC]) @@ -55,6 +57,7 @@ m4_popdef([acx_Var])dnl # and accepts all of those options simultaneously, otherwise to nothing. AC_DEFUN([ACX_PROG_CC_WARNING_ALMOST_PEDANTIC], [AC_REQUIRE([AC_PROG_CC])dnl +AC_LANG_PUSH(C) m4_pushdef([acx_Var], [m4_default([$2], [WARN_PEDANTIC])])dnl AC_SUBST(acx_Var)dnl m4_expand_once([acx_Var= @@ -77,6 +80,7 @@ AS_IF([test AS_VAR_GET(acx_Pedantic) = yes], AS_VAR_POPDEF([acx_Pedantic])dnl m4_popdef([acx_Woptions])dnl m4_popdef([acx_Var])dnl +AC_LANG_POP(C) ])# ACX_PROG_CC_WARNING_ALMOST_PEDANTIC # ACX_PROG_CC_WARNINGS_ARE_ERRORS([x.y.z], [VARIABLE = WERROR]) @@ -88,6 +92,7 @@ m4_popdef([acx_Var])dnl # appeared on the configure command line. AC_DEFUN([ACX_PROG_CC_WARNINGS_ARE_ERRORS], [AC_REQUIRE([AC_PROG_CC])dnl +AC_LANG_PUSH(C) m4_pushdef([acx_Var], [m4_default([$2], [WERROR])])dnl AC_SUBST(acx_Var)dnl m4_expand_once([acx_Var= @@ -114,4 +119,109 @@ AS_IF([test $enable_werror_always = yes], [acx_Var="$acx_Var${acx_Var:+ }-Werror"]) AS_VAR_POPDEF([acx_GCCvers])]) m4_popdef([acx_Var])dnl +AC_LANG_POP(C) ])# ACX_PROG_CC_WARNINGS_ARE_ERRORS + +# ACX_PROG_CXX_WARNING_OPTS(WARNINGS, [VARIABLE = WARN_CXXFLAGS]) +# Sets @VARIABLE@ to the subset of the given options which the +# compiler accepts. +AC_DEFUN([ACX_PROG_CXX_WARNING_OPTS], +[AC_REQUIRE([AC_PROG_CXX])dnl +AC_LANG_PUSH(C++) +m4_pushdef([acx_Var], [m4_default([$2], [WARN_CXXFLAGS])])dnl +AC_SUBST(acx_Var)dnl +m4_expand_once([acx_Var= +],m4_quote(acx_Var=))dnl +save_CXXFLAGS="$CXXFLAGS" +for real_option in $1; do + # Do the check with the no- prefix removed since gcc silently + # accepts any -Wno-* option on purpose + case $real_option in + -Wno-*) option=-W`expr x$real_option : 'x-Wno-\(.*\)'` ;; + *) option=$real_option ;; + esac + AS_VAR_PUSHDEF([acx_Woption], [acx_cv_prog_cc_warning_$option]) + AC_CACHE_CHECK([whether $CXX supports $option], acx_Woption, + [CXXFLAGS="$option" + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])], + [AS_VAR_SET(acx_Woption, yes)], + [AS_VAR_SET(acx_Woption, no)]) + ]) + AS_IF([test AS_VAR_GET(acx_Woption) = yes], + [acx_Var="$acx_Var${acx_Var:+ }$real_option"]) + AS_VAR_POPDEF([acx_Woption])dnl +done +CXXFLAGS="$save_CXXFLAGS" +m4_popdef([acx_Var])dnl +AC_LANG_POP(C++) +])# ACX_PROG_CXX_WARNING_OPTS + +# ACX_PROG_CXX_WARNING_ALMOST_PEDANTIC(WARNINGS, [VARIABLE = WARN_PEDANTIC]) +# Append to VARIABLE "-pedantic" + the argument, if the compiler is G++ +# and accepts all of those options simultaneously, otherwise to nothing. +AC_DEFUN([ACX_PROG_CXX_WARNING_ALMOST_PEDANTIC], +[AC_REQUIRE([AC_PROG_CXX])dnl +AC_LANG_PUSH(C++) +m4_pushdef([acx_Var], [m4_default([$2], [WARN_PEDANTIC])])dnl +AC_SUBST(acx_Var)dnl +m4_expand_once([acx_Var= +],m4_quote(acx_Var=))dnl +# Do the check with the no- prefix removed from the warning options +# since gcc silently accepts any -Wno-* option on purpose +m4_pushdef([acx_Woptions], [m4_bpatsubst([$1], [-Wno-], [-W])])dnl +AS_VAR_PUSHDEF([acx_Pedantic], [acx_cv_prog_cc_pedantic_]acx_Woptions)dnl +AS_IF([test "$GXX" = yes], +[AC_CACHE_CHECK([whether $CXX supports -pedantic ]acx_Woptions, acx_Pedantic, +[save_CXXFLAGS="$CXXFLAGS" +CXXFLAGS="-pedantic acx_Woptions" +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])], + [AS_VAR_SET(acx_Pedantic, yes)], + [AS_VAR_SET(acx_Pedantic, no)]) +CXXFLAGS="$save_CXXFLAGS"]) +AS_IF([test AS_VAR_GET(acx_Pedantic) = yes], + [acx_Var="$acx_Var${acx_Var:+ }-pedantic $1"]) +]) +AS_VAR_POPDEF([acx_Pedantic])dnl +m4_popdef([acx_Woptions])dnl +m4_popdef([acx_Var])dnl +AC_LANG_POP(C++) +])# ACX_PROG_CXX_WARNING_ALMOST_PEDANTIC + +# ACX_PROG_CXX_WARNINGS_ARE_ERRORS([x.y.z], [VARIABLE = WERROR]) +# sets @VARIABLE@ to "-Werror" if the compiler is G++ >=x.y.z, or if +# --enable-werror-always was given on the command line, otherwise +# to nothing. +# If the argument is the word "manual" instead of a version number, +# then @VARIABLE@ will be set to -Werror only if --enable-werror-always +# appeared on the configure command line. +AC_DEFUN([ACX_PROG_CXX_WARNINGS_ARE_ERRORS], +[AC_REQUIRE([AC_PROG_CXX])dnl +AC_LANG_PUSH(C++) +m4_pushdef([acx_Var], [m4_default([$2], [WERROR])])dnl +AC_SUBST(acx_Var)dnl +m4_expand_once([acx_Var= +],m4_quote(acx_Var=))dnl +AC_ARG_ENABLE(werror-always, + AS_HELP_STRING([--enable-werror-always], + [enable -Werror despite compiler version]), +[], [enable_werror_always=no]) +AS_IF([test $enable_werror_always = yes], + [acx_Var="$acx_Var${acx_Var:+ }-Werror"]) + m4_if($1, [manual],, + [AS_VAR_PUSHDEF([acx_GXXvers], [acx_cv_prog_cxx_gxx_$1_or_newer])dnl + AC_CACHE_CHECK([whether $CXX is G++ >=$1], acx_GXXvers, + [set fnord `echo $1 | tr '.' ' '` + shift + AC_PREPROC_IFELSE( +[#if __GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__ \ + < [$]1 * 10000 + [$]2 * 100 + [$]3 +#error insufficient +#endif], + [AS_VAR_SET(acx_GXXvers, yes)], + [AS_VAR_SET(acx_GXXvers, no)])]) + AS_IF([test AS_VAR_GET(acx_GXXvers) = yes], + [acx_Var="$acx_Var${acx_Var:+ }-Werror"]) + AS_VAR_POPDEF([acx_GXXvers])]) +m4_popdef([acx_Var])dnl +AC_LANG_POP(C++) +])# ACX_PROG_CXX_WARNINGS_ARE_ERRORS diff --git a/libdecnumber/ChangeLog b/libdecnumber/ChangeLog index 4e03eb084d8..e0f230033aa 100644 --- a/libdecnumber/ChangeLog +++ b/libdecnumber/ChangeLog @@ -1,3 +1,7 @@ +2015-07-14 H.J. Lu + + * configure: Regenerated. + 2015-06-30 H.J. Lu * configure: Regenerated. diff --git a/libdecnumber/configure b/libdecnumber/configure index 964837d28a7..35baf0798bc 100755 --- a/libdecnumber/configure +++ b/libdecnumber/configure @@ -3272,6 +3272,12 @@ test -n "$AUTOHEADER" || AUTOHEADER="$MISSING autoheader" # See config/warnings.m4 for details. +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 + WARN_CFLAGS= save_CFLAGS="$CFLAGS" for real_option in -W -Wall -Wwrite-strings -Wstrict-prototypes \ @@ -3318,6 +3324,18 @@ $as_echo "$ac_res" >&6; } fi done CFLAGS="$save_CFLAGS" +ac_ext=c +ac_cpp='$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_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 WARN_PEDANTIC= # Do the check with the no- prefix removed from the warning options @@ -3356,10 +3374,22 @@ if test $acx_cv_prog_cc_pedantic__Wlong_long = yes; then : fi fi +ac_ext=c +ac_cpp='$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 + # Only enable with --enable-werror-always until existing warnings are # corrected. +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 + WERROR= # Check whether --enable-werror-always was given. if test "${enable_werror_always+set}" = set; then : @@ -3372,6 +3402,12 @@ if test $enable_werror_always = yes; then : WERROR="$WERROR${WERROR:+ }-Werror" fi +ac_ext=c +ac_cpp='$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 + # Checks for header files. diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog index f2b014841aa..9bddd2e6401 100644 --- a/libiberty/ChangeLog +++ b/libiberty/ChangeLog @@ -1,3 +1,7 @@ +2015-07-14 H.J. Lu + + * configure: Regenerated. + 2015-06-01 Jason Merrill * cp-demangle.c (cplus_demangle_type): Handle arguments to vendor diff --git a/libiberty/configure b/libiberty/configure index da2df4ec740..d8890a11de7 100755 --- a/libiberty/configure +++ b/libiberty/configure @@ -4389,6 +4389,12 @@ fi ac_c_preproc_warn_flag=yes +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_libiberty_warn_cflags= save_CFLAGS="$CFLAGS" for real_option in -W -Wall -Wwrite-strings -Wc++-compat \ @@ -4434,6 +4440,18 @@ $as_echo "$ac_res" >&6; } fi done CFLAGS="$save_CFLAGS" +ac_ext=c +ac_cpp='$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_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 # Do the check with the no- prefix removed from the warning options # since gcc silently accepts any -Wno-* option on purpose @@ -4471,6 +4489,12 @@ if test $acx_cv_prog_cc_pedantic_ = yes; then : fi fi +ac_ext=c +ac_cpp='$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 + if test "x$CC" != xcc; then diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 869033d5c46..7441bfda428 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,7 @@ +2015-07-14 H.J. Lu + + * configure: Regenerated. + 2015-07-03 Alan Modra * ppc-opc.c (PPC750, PPC7450, PPC860): Define using PPC_OPCODE_*. diff --git a/opcodes/configure b/opcodes/configure index e5048e2fdc1..28708792c80 100755 --- a/opcodes/configure +++ b/opcodes/configure @@ -11576,6 +11576,12 @@ fi +ac_ext=c +ac_cpp='$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 + NO_WMISSING_FIELD_INITIALIZERS= save_CFLAGS="$CFLAGS" for real_option in -Wno-missing-field-initializers; do @@ -11620,6 +11626,12 @@ $as_echo "$ac_res" >&6; } fi done CFLAGS="$save_CFLAGS" +ac_ext=c +ac_cpp='$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_config_headers="$ac_config_headers config.h:config.in" -- 2.30.2