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Sync config/warnings.m4 with GCC

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config/

	Sync with GCC
	2015-05-27  Jason Merrill  <jason@redhat.com>

	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.
This commit is contained in:
H.J. Lu 2015-07-14 08:39:12 -07:00
parent 969b1713b7
commit 8a643cc36c
8 changed files with 207 additions and 1 deletions
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12
config/ChangeLog
View file

@ -1,3 +1,15 @@
2015-07-14 H.J. Lu <hongjiu.lu@intel.com>
Sync with GCC
2015-05-27 Jason Merrill <jason@redhat.com>
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 <hongjiu.lu@intel.com>
Sync with GCC

112
config/warnings.m4
View file

@ -18,11 +18,12 @@
#along with GCC; see the file COPYING3. If not see
#<http://www.gnu.org/licenses/>.
# 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

4
libdecnumber/ChangeLog
View file

@ -1,3 +1,7 @@
2015-07-14 H.J. Lu <hongjiu.lu@intel.com>
* configure: Regenerated.
2015-06-30 H.J. Lu <hongjiu.lu@intel.com>
* configure: Regenerated.

36
libdecnumber/configure vendored
View file

@ -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.

4
libiberty/ChangeLog
View file

@ -1,3 +1,7 @@
2015-07-14 H.J. Lu <hongjiu.lu@intel.com>
* configure: Regenerated.
2015-06-01 Jason Merrill <jason@redhat.com>
* cp-demangle.c (cplus_demangle_type): Handle arguments to vendor

24
libiberty/configure vendored
View file

@ -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

4
opcodes/ChangeLog
View file

@ -1,3 +1,7 @@
2015-07-14 H.J. Lu <hongjiu.lu@intel.com>
* configure: Regenerated.
2015-07-03 Alan Modra <amodra@gmail.com>
* ppc-opc.c (PPC750, PPC7450, PPC860): Define using PPC_OPCODE_*.

12
opcodes/configure vendored
View file

@ -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"