From e3bc617e20ab69d4c0285f33eac4fc64afcaae86 Mon Sep 17 00:00:00 2001 From: Patrick McDermott Date: Sun, 09 Aug 2020 16:51:31 -0400 Subject: Replace everything with README indicating move --- (limited to 'm4') diff --git a/m4/ax_append_flag.m4 b/m4/ax_append_flag.m4 deleted file mode 100644 index e8c5312..0000000 --- a/m4/ax_append_flag.m4 +++ /dev/null @@ -1,71 +0,0 @@ -# =========================================================================== -# https://www.gnu.org/software/autoconf-archive/ax_append_flag.html -# =========================================================================== -# -# SYNOPSIS -# -# AX_APPEND_FLAG(FLAG, [FLAGS-VARIABLE]) -# -# DESCRIPTION -# -# FLAG is appended to the FLAGS-VARIABLE shell variable, with a space -# added in between. -# -# If FLAGS-VARIABLE is not specified, the current language's flags (e.g. -# CFLAGS) is used. FLAGS-VARIABLE is not changed if it already contains -# FLAG. If FLAGS-VARIABLE is unset in the shell, it is set to exactly -# FLAG. -# -# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. -# -# LICENSE -# -# Copyright (c) 2008 Guido U. Draheim -# Copyright (c) 2011 Maarten Bosmans -# -# This program is free software: you can redistribute it and/or modify it -# under the terms of the GNU General Public License as published by the -# Free Software Foundation, either version 3 of the License, or (at your -# option) any later version. -# -# This program is distributed in the hope that it will be useful, but -# WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General -# Public License for more details. -# -# You should have received a copy of the GNU General Public License along -# with this program. If not, see . -# -# As a special exception, the respective Autoconf Macro's copyright owner -# gives unlimited permission to copy, distribute and modify the configure -# scripts that are the output of Autoconf when processing the Macro. You -# need not follow the terms of the GNU General Public License when using -# or distributing such scripts, even though portions of the text of the -# Macro appear in them. The GNU General Public License (GPL) does govern -# all other use of the material that constitutes the Autoconf Macro. -# -# This special exception to the GPL applies to versions of the Autoconf -# Macro released by the Autoconf Archive. When you make and distribute a -# modified version of the Autoconf Macro, you may extend this special -# exception to the GPL to apply to your modified version as well. - -#serial 7 - -AC_DEFUN([AX_APPEND_FLAG], -[dnl -AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_SET_IF -AS_VAR_PUSHDEF([FLAGS], [m4_default($2,_AC_LANG_PREFIX[FLAGS])]) -AS_VAR_SET_IF(FLAGS,[ - AS_CASE([" AS_VAR_GET(FLAGS) "], - [*" $1 "*], [AC_RUN_LOG([: FLAGS already contains $1])], - [ - AS_VAR_APPEND(FLAGS,[" $1"]) - AC_RUN_LOG([: FLAGS="$FLAGS"]) - ]) - ], - [ - AS_VAR_SET(FLAGS,[$1]) - AC_RUN_LOG([: FLAGS="$FLAGS"]) - ]) -AS_VAR_POPDEF([FLAGS])dnl -])dnl AX_APPEND_FLAG diff --git a/m4/ax_cflags_warn_all.m4 b/m4/ax_cflags_warn_all.m4 deleted file mode 100644 index 094577e..0000000 --- a/m4/ax_cflags_warn_all.m4 +++ /dev/null @@ -1,122 +0,0 @@ -# =========================================================================== -# https://www.gnu.org/software/autoconf-archive/ax_cflags_warn_all.html -# =========================================================================== -# -# SYNOPSIS -# -# AX_CFLAGS_WARN_ALL [(shellvar [,default, [A/NA]])] -# AX_CXXFLAGS_WARN_ALL [(shellvar [,default, [A/NA]])] -# AX_FCFLAGS_WARN_ALL [(shellvar [,default, [A/NA]])] -# -# DESCRIPTION -# -# Try to find a compiler option that enables most reasonable warnings. -# -# For the GNU compiler it will be -Wall (and -ansi -pedantic) The result -# is added to the shellvar being CFLAGS, CXXFLAGS, or FCFLAGS by default. -# -# Currently this macro knows about the GCC, Solaris, Digital Unix, AIX, -# HP-UX, IRIX, NEC SX-5 (Super-UX 10), Cray J90 (Unicos 10.0.0.8), and -# Intel compilers. For a given compiler, the Fortran flags are much more -# experimental than their C equivalents. -# -# - $1 shell-variable-to-add-to : CFLAGS, CXXFLAGS, or FCFLAGS -# - $2 add-value-if-not-found : nothing -# - $3 action-if-found : add value to shellvariable -# - $4 action-if-not-found : nothing -# -# NOTE: These macros depend on AX_APPEND_FLAG. -# -# LICENSE -# -# Copyright (c) 2008 Guido U. Draheim -# Copyright (c) 2010 Rhys Ulerich -# -# This program is free software; you can redistribute it and/or modify it -# under the terms of the GNU General Public License as published by the -# Free Software Foundation; either version 3 of the License, or (at your -# option) any later version. -# -# This program is distributed in the hope that it will be useful, but -# WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General -# Public License for more details. -# -# You should have received a copy of the GNU General Public License along -# with this program. If not, see . -# -# As a special exception, the respective Autoconf Macro's copyright owner -# gives unlimited permission to copy, distribute and modify the configure -# scripts that are the output of Autoconf when processing the Macro. You -# need not follow the terms of the GNU General Public License when using -# or distributing such scripts, even though portions of the text of the -# Macro appear in them. The GNU General Public License (GPL) does govern -# all other use of the material that constitutes the Autoconf Macro. -# -# This special exception to the GPL applies to versions of the Autoconf -# Macro released by the Autoconf Archive. When you make and distribute a -# modified version of the Autoconf Macro, you may extend this special -# exception to the GPL to apply to your modified version as well. - -#serial 16 - -AC_DEFUN([AX_FLAGS_WARN_ALL],[dnl -AS_VAR_PUSHDEF([FLAGS],[_AC_LANG_PREFIX[]FLAGS])dnl -AS_VAR_PUSHDEF([VAR],[ac_cv_[]_AC_LANG_ABBREV[]flags_warn_all])dnl -AC_CACHE_CHECK([m4_ifval($1,$1,FLAGS) for maximum warnings], -VAR,[VAR="no, unknown" -ac_save_[]FLAGS="$[]FLAGS" -for ac_arg dnl -in "-warn all % -warn all" dnl Intel - "-pedantic % -Wall" dnl GCC - "-xstrconst % -v" dnl Solaris C - "-std1 % -verbose -w0 -warnprotos" dnl Digital Unix - "-qlanglvl=ansi % -qsrcmsg -qinfo=all:noppt:noppc:noobs:nocnd" dnl AIX - "-ansi -ansiE % -fullwarn" dnl IRIX - "+ESlit % +w1" dnl HP-UX C - "-Xc % -pvctl[,]fullmsg" dnl NEC SX-5 (Super-UX 10) - "-h conform % -h msglevel 2" dnl Cray C (Unicos) - # -do FLAGS="$ac_save_[]FLAGS "`echo $ac_arg | sed -e 's,%%.*,,' -e 's,%,,'` - AC_COMPILE_IFELSE([AC_LANG_PROGRAM], - [VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break]) -done -FLAGS="$ac_save_[]FLAGS" -]) -AS_VAR_POPDEF([FLAGS])dnl -AX_REQUIRE_DEFINED([AX_APPEND_FLAG]) -case ".$VAR" in - .ok|.ok,*) m4_ifvaln($3,$3) ;; - .|.no|.no,*) m4_default($4,[m4_ifval($2,[AX_APPEND_FLAG([$2], [$1])])]) ;; - *) m4_default($3,[AX_APPEND_FLAG([$VAR], [$1])]) ;; -esac -AS_VAR_POPDEF([VAR])dnl -])dnl AX_FLAGS_WARN_ALL -dnl implementation tactics: -dnl the for-argument contains a list of options. The first part of -dnl these does only exist to detect the compiler - usually it is -dnl a global option to enable -ansi or -extrawarnings. All other -dnl compilers will fail about it. That was needed since a lot of -dnl compilers will give false positives for some option-syntax -dnl like -Woption or -Xoption as they think of it is a pass-through -dnl to later compile stages or something. The "%" is used as a -dnl delimiter. A non-option comment can be given after "%%" marks -dnl which will be shown but not added to the respective C/CXXFLAGS. - -AC_DEFUN([AX_CFLAGS_WARN_ALL],[dnl -AC_LANG_PUSH([C]) -AX_FLAGS_WARN_ALL([$1], [$2], [$3], [$4]) -AC_LANG_POP([C]) -]) - -AC_DEFUN([AX_CXXFLAGS_WARN_ALL],[dnl -AC_LANG_PUSH([C++]) -AX_FLAGS_WARN_ALL([$1], [$2], [$3], [$4]) -AC_LANG_POP([C++]) -]) - -AC_DEFUN([AX_FCFLAGS_WARN_ALL],[dnl -AC_LANG_PUSH([Fortran]) -AX_FLAGS_WARN_ALL([$1], [$2], [$3], [$4]) -AC_LANG_POP([Fortran]) -]) diff --git a/m4/ax_check_compile_flag.m4 b/m4/ax_check_compile_flag.m4 deleted file mode 100644 index dcabb92..0000000 --- a/m4/ax_check_compile_flag.m4 +++ /dev/null @@ -1,74 +0,0 @@ -# =========================================================================== -# https://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html -# =========================================================================== -# -# SYNOPSIS -# -# AX_CHECK_COMPILE_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT]) -# -# DESCRIPTION -# -# Check whether the given FLAG works with the current language's compiler -# or gives an error. (Warnings, however, are ignored) -# -# ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on -# success/failure. -# -# If EXTRA-FLAGS is defined, it is added to the current language's default -# flags (e.g. CFLAGS) when the check is done. The check is thus made with -# the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to -# force the compiler to issue an error when a bad flag is given. -# -# INPUT gives an alternative input source to AC_COMPILE_IFELSE. -# -# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this -# macro in sync with AX_CHECK_{PREPROC,LINK}_FLAG. -# -# LICENSE -# -# Copyright (c) 2008 Guido U. Draheim -# Copyright (c) 2011 Maarten Bosmans -# -# This program is free software: you can redistribute it and/or modify it -# under the terms of the GNU General Public License as published by the -# Free Software Foundation, either version 3 of the License, or (at your -# option) any later version. -# -# This program is distributed in the hope that it will be useful, but -# WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General -# Public License for more details. -# -# You should have received a copy of the GNU General Public License along -# with this program. If not, see . -# -# As a special exception, the respective Autoconf Macro's copyright owner -# gives unlimited permission to copy, distribute and modify the configure -# scripts that are the output of Autoconf when processing the Macro. You -# need not follow the terms of the GNU General Public License when using -# or distributing such scripts, even though portions of the text of the -# Macro appear in them. The GNU General Public License (GPL) does govern -# all other use of the material that constitutes the Autoconf Macro. -# -# This special exception to the GPL applies to versions of the Autoconf -# Macro released by the Autoconf Archive. When you make and distribute a -# modified version of the Autoconf Macro, you may extend this special -# exception to the GPL to apply to your modified version as well. - -#serial 5 - -AC_DEFUN([AX_CHECK_COMPILE_FLAG], -[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF -AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl -AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [ - ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS - _AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1" - AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])], - [AS_VAR_SET(CACHEVAR,[yes])], - [AS_VAR_SET(CACHEVAR,[no])]) - _AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags]) -AS_VAR_IF(CACHEVAR,yes, - [m4_default([$2], :)], - [m4_default([$3], :)]) -AS_VAR_POPDEF([CACHEVAR])dnl -])dnl AX_CHECK_COMPILE_FLAGS diff --git a/m4/ax_require_defined.m4 b/m4/ax_require_defined.m4 deleted file mode 100644 index 17c3eab..0000000 --- a/m4/ax_require_defined.m4 +++ /dev/null @@ -1,37 +0,0 @@ -# =========================================================================== -# https://www.gnu.org/software/autoconf-archive/ax_require_defined.html -# =========================================================================== -# -# SYNOPSIS -# -# AX_REQUIRE_DEFINED(MACRO) -# -# DESCRIPTION -# -# AX_REQUIRE_DEFINED is a simple helper for making sure other macros have -# been defined and thus are available for use. This avoids random issues -# where a macro isn't expanded. Instead the configure script emits a -# non-fatal: -# -# ./configure: line 1673: AX_CFLAGS_WARN_ALL: command not found -# -# It's like AC_REQUIRE except it doesn't expand the required macro. -# -# Here's an example: -# -# AX_REQUIRE_DEFINED([AX_CHECK_LINK_FLAG]) -# -# LICENSE -# -# Copyright (c) 2014 Mike Frysinger -# -# Copying and distribution of this file, with or without modification, are -# permitted in any medium without royalty provided the copyright notice -# and this notice are preserved. This file is offered as-is, without any -# warranty. - -#serial 2 - -AC_DEFUN([AX_REQUIRE_DEFINED], [dnl - m4_ifndef([$1], [m4_fatal([macro ]$1[ is not defined; is a m4 file missing?])]) -])dnl AX_REQUIRE_DEFINED diff --git a/m4/gcc_version.m4 b/m4/gcc_version.m4 deleted file mode 100644 index 9e16450..0000000 --- a/m4/gcc_version.m4 +++ /dev/null @@ -1,38 +0,0 @@ -dnl Copied from GNU Coreutils configure.ac -dnl -dnl The 17 lines are probably too trivial to be copyrightable, but just in case: -dnl -dnl Copyright (C) 1991-2017 Free Software Foundation, Inc. -dnl -dnl This program is free software: you can redistribute it and/or modify -dnl it under the terms of the GNU General Public License as published by -dnl the Free Software Foundation, either version 3 of the License, or -dnl (at your option) any later version. -dnl -dnl This program is distributed in the hope that it will be useful, -dnl but WITHOUT ANY WARRANTY; without even the implied warranty of -dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -dnl GNU General Public License for more details. -dnl -dnl You should have received a copy of the GNU General Public License -dnl along with this program. If not, see . -dnl -dnl Written by Jim Meyering. - -# gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found]) -# ------------------------------------------------ -# If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND. -# Otherwise, run RUN-IF-NOT-FOUND. -AC_DEFUN([gl_GCC_VERSION_IFELSE], - [AC_PREPROC_IFELSE( - [AC_LANG_PROGRAM( - [[ -#if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__) -/* ok */ -#else -# error "your version of gcc is older than $1.$2" -#endif - ]]), - ], [$3], [$4]) - ] -) diff --git a/m4/gl_manywarnings.m4 b/m4/gl_manywarnings.m4 deleted file mode 100644 index d10bcd0..0000000 --- a/m4/gl_manywarnings.m4 +++ /dev/null @@ -1,329 +0,0 @@ -# manywarnings.m4 serial 13 -dnl Copyright (C) 2008-2017 Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -dnl From Simon Josefsson - -# gl_MANYWARN_COMPLEMENT(OUTVAR, LISTVAR, REMOVEVAR) -# -------------------------------------------------- -# Copy LISTVAR to OUTVAR except for the entries in REMOVEVAR. -# Elements separated by whitespace. In set logic terms, the function -# does OUTVAR = LISTVAR \ REMOVEVAR. -AC_DEFUN([gl_MANYWARN_COMPLEMENT], -[ - gl_warn_set= - set x $2; shift - for gl_warn_item - do - case " $3 " in - *" $gl_warn_item "*) - ;; - *) - gl_warn_set="$gl_warn_set $gl_warn_item" - ;; - esac - done - $1=$gl_warn_set -]) - -# gl_MANYWARN_ALL_GCC(VARIABLE) -# ----------------------------- -# Add all documented GCC warning parameters to variable VARIABLE. -# Note that you need to test them using gl_WARN_ADD if you want to -# make sure your gcc understands it. -# -# The effects of this macro depend on the current language (_AC_LANG). -AC_DEFUN([gl_MANYWARN_ALL_GCC], -[_AC_LANG_DISPATCH([$0], _AC_LANG, $@)]) - -# Specialization for _AC_LANG = C. -# Use of m4_defun rather than AC_DEFUN works around a bug in autoconf < 2.63b. -m4_defun([gl_MANYWARN_ALL_GCC(C)], -[ - AC_LANG_PUSH([C]) - - dnl First, check for some issues that only occur when combining multiple - dnl gcc warning categories. - AC_REQUIRE([AC_PROG_CC]) - if test -n "$GCC"; then - - dnl Check if -W -Werror -Wno-missing-field-initializers is supported - dnl with the current $CC $CFLAGS $CPPFLAGS. - AC_MSG_CHECKING([whether -Wno-missing-field-initializers is supported]) - AC_CACHE_VAL([gl_cv_cc_nomfi_supported], [ - gl_save_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS -W -Werror -Wno-missing-field-initializers" - AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM([[]], [[]])], - [gl_cv_cc_nomfi_supported=yes], - [gl_cv_cc_nomfi_supported=no]) - CFLAGS="$gl_save_CFLAGS"]) - AC_MSG_RESULT([$gl_cv_cc_nomfi_supported]) - - if test "$gl_cv_cc_nomfi_supported" = yes; then - dnl Now check whether -Wno-missing-field-initializers is needed - dnl for the { 0, } construct. - AC_MSG_CHECKING([whether -Wno-missing-field-initializers is needed]) - AC_CACHE_VAL([gl_cv_cc_nomfi_needed], [ - gl_save_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS -W -Werror" - AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[int f (void) - { - typedef struct { int a; int b; } s_t; - s_t s1 = { 0, }; - return s1.b; - } - ]], - [[]])], - [gl_cv_cc_nomfi_needed=no], - [gl_cv_cc_nomfi_needed=yes]) - CFLAGS="$gl_save_CFLAGS" - ]) - AC_MSG_RESULT([$gl_cv_cc_nomfi_needed]) - fi - - dnl Next, check if -Werror -Wuninitialized is useful with the - dnl user's choice of $CFLAGS; some versions of gcc warn that it - dnl has no effect if -O is not also used - AC_MSG_CHECKING([whether -Wuninitialized is supported]) - AC_CACHE_VAL([gl_cv_cc_uninitialized_supported], [ - gl_save_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS -Werror -Wuninitialized" - AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM([[]], [[]])], - [gl_cv_cc_uninitialized_supported=yes], - [gl_cv_cc_uninitialized_supported=no]) - CFLAGS="$gl_save_CFLAGS"]) - AC_MSG_RESULT([$gl_cv_cc_uninitialized_supported]) - - fi - - # List all gcc warning categories. - # To compare this list to your installed GCC's, run this Bash command: - # - # comm -3 \ - # <(sed -n 's/^ *\(-[^ ]*\) .*/\1/p' manywarnings.m4 | sort) \ - # <(gcc --help=warnings | sed -n 's/^ \(-[^ ]*\) .*/\1/p' | sort | - # grep -v -x -F -f <( - # awk '/^[^#]/ {print $1}' ../build-aux/gcc-warning.spec)) - - gl_manywarn_set= - for gl_manywarn_item in -fno-common \ - -W \ - -Wabi \ - -Waddress \ - -Waggressive-loop-optimizations \ - -Wall \ - -Wattributes \ - -Wbad-function-cast \ - -Wbool-compare \ - -Wbool-operation \ - -Wbuiltin-declaration-mismatch \ - -Wbuiltin-macro-redefined \ - -Wcast-align \ - -Wchar-subscripts \ - -Wchkp \ - -Wclobbered \ - -Wcomment \ - -Wcomments \ - -Wcoverage-mismatch \ - -Wcpp \ - -Wdangling-else \ - -Wdate-time \ - -Wdeprecated \ - -Wdeprecated-declarations \ - -Wdesignated-init \ - -Wdisabled-optimization \ - -Wdiscarded-array-qualifiers \ - -Wdiscarded-qualifiers \ - -Wdiv-by-zero \ - -Wdouble-promotion \ - -Wduplicated-branches \ - -Wduplicated-cond \ - -Wduplicate-decl-specifier \ - -Wempty-body \ - -Wendif-labels \ - -Wenum-compare \ - -Wexpansion-to-defined \ - -Wextra \ - -Wformat-contains-nul \ - -Wformat-extra-args \ - -Wformat-nonliteral \ - -Wformat-security \ - -Wformat-signedness \ - -Wformat-y2k \ - -Wformat-zero-length \ - -Wframe-address \ - -Wfree-nonheap-object \ - -Whsa \ - -Wignored-attributes \ - -Wignored-qualifiers \ - -Wimplicit \ - -Wimplicit-function-declaration \ - -Wimplicit-int \ - -Wincompatible-pointer-types \ - -Winit-self \ - -Winline \ - -Wint-conversion \ - -Wint-in-bool-context \ - -Wint-to-pointer-cast \ - -Winvalid-memory-model \ - -Winvalid-pch \ - -Wjump-misses-init \ - -Wlogical-not-parentheses \ - -Wlogical-op \ - -Wmain \ - -Wmaybe-uninitialized \ - -Wmemset-elt-size \ - -Wmemset-transposed-args \ - -Wmisleading-indentation \ - -Wmissing-braces \ - -Wmissing-declarations \ - -Wmissing-field-initializers \ - -Wmissing-include-dirs \ - -Wmissing-parameter-type \ - -Wmissing-prototypes \ - -Wmultichar \ - -Wnarrowing \ - -Wnested-externs \ - -Wnonnull \ - -Wnonnull-compare \ - -Wnull-dereference \ - -Wodr \ - -Wold-style-declaration \ - -Wold-style-definition \ - -Wopenmp-simd \ - -Woverflow \ - -Woverlength-strings \ - -Woverride-init \ - -Wpacked \ - -Wpacked-bitfield-compat \ - -Wparentheses \ - -Wpointer-arith \ - -Wpointer-compare \ - -Wpointer-sign \ - -Wpointer-to-int-cast \ - -Wpragmas \ - -Wpsabi \ - -Wrestrict \ - -Wreturn-local-addr \ - -Wreturn-type \ - -Wscalar-storage-order \ - -Wsequence-point \ - -Wshadow \ - -Wshift-count-negative \ - -Wshift-count-overflow \ - -Wshift-negative-value \ - -Wsizeof-array-argument \ - -Wsizeof-pointer-memaccess \ - -Wstack-protector \ - -Wstrict-aliasing \ - -Wstrict-overflow \ - -Wstrict-prototypes \ - -Wsuggest-attribute=const \ - -Wsuggest-attribute=format \ - -Wsuggest-attribute=noreturn \ - -Wsuggest-attribute=pure \ - -Wsuggest-final-methods \ - -Wsuggest-final-types \ - -Wswitch \ - -Wswitch-bool \ - -Wswitch-default \ - -Wswitch-unreachable \ - -Wsync-nand \ - -Wsystem-headers \ - -Wtautological-compare \ - -Wtrampolines \ - -Wtrigraphs \ - -Wtype-limits \ - -Wuninitialized \ - -Wunknown-pragmas \ - -Wunsafe-loop-optimizations \ - -Wunused \ - -Wunused-but-set-parameter \ - -Wunused-but-set-variable \ - -Wunused-function \ - -Wunused-label \ - -Wunused-local-typedefs \ - -Wunused-macros \ - -Wunused-parameter \ - -Wunused-result \ - -Wunused-value \ - -Wunused-variable \ - -Wvarargs \ - -Wvariadic-macros \ - -Wvector-operation-performance \ - -Wvla \ - -Wvolatile-register-var \ - -Wwrite-strings \ - \ - ; do - gl_manywarn_set="$gl_manywarn_set $gl_manywarn_item" - done - - # gcc --help=warnings outputs an unusual form for these options; list - # them here so that the above 'comm' command doesn't report a false match. - # Would prefer "min (PTRDIFF_MAX, SIZE_MAX)", but it must be a literal. - # Also, AC_COMPUTE_INT requires it to fit in a long; it is 2**63 on - # the only platforms where it does not fit in a long, so make that - # a special case. - AC_MSG_CHECKING([max safe object size]) - AC_COMPUTE_INT([gl_alloc_max], - [LONG_MAX < (PTRDIFF_MAX < (size_t) -1 ? PTRDIFF_MAX : (size_t) -1) - ? -1 - : PTRDIFF_MAX < (size_t) -1 ? (long) PTRDIFF_MAX : (long) (size_t) -1], - [[#include - #include - #include - ]], - [gl_alloc_max=2147483647]) - case $gl_alloc_max in - -1) gl_alloc_max=9223372036854775807;; - esac - AC_MSG_RESULT([$gl_alloc_max]) - gl_manywarn_set="$gl_manywarn_set -Walloc-size-larger-than=$gl_alloc_max" - gl_manywarn_set="$gl_manywarn_set -Warray-bounds=2" - gl_manywarn_set="$gl_manywarn_set -Wformat-overflow=2" - gl_manywarn_set="$gl_manywarn_set -Wformat-truncation=2" - gl_manywarn_set="$gl_manywarn_set -Wimplicit-fallthrough=5" - gl_manywarn_set="$gl_manywarn_set -Wnormalized=nfc" - gl_manywarn_set="$gl_manywarn_set -Wshift-overflow=2" - gl_manywarn_set="$gl_manywarn_set -Wstringop-overflow=2" - gl_manywarn_set="$gl_manywarn_set -Wunused-const-variable=2" - gl_manywarn_set="$gl_manywarn_set -Wvla-larger-than=4031" - - # These are needed for older GCC versions. - if test -n "$GCC"; then - case `($CC --version) 2>/dev/null` in - 'gcc (GCC) '[[0-3]].* | \ - 'gcc (GCC) '4.[[0-7]].*) - gl_manywarn_set="$gl_manywarn_set -fdiagnostics-show-option" - gl_manywarn_set="$gl_manywarn_set -funit-at-a-time" - ;; - esac - fi - - # Disable specific options as needed. - if test "$gl_cv_cc_nomfi_needed" = yes; then - gl_manywarn_set="$gl_manywarn_set -Wno-missing-field-initializers" - fi - - if test "$gl_cv_cc_uninitialized_supported" = no; then - gl_manywarn_set="$gl_manywarn_set -Wno-uninitialized" - fi - - $1=$gl_manywarn_set - - AC_LANG_POP([C]) -]) - -# Specialization for _AC_LANG = C++. -# Use of m4_defun rather than AC_DEFUN works around a bug in autoconf < 2.63b. -m4_defun([gl_MANYWARN_ALL_GCC(C++)], -[ - gl_MANYWARN_ALL_GCC_CXX_IMPL([$1]) -]) diff --git a/m4/gl_warnings.m4 b/m4/gl_warnings.m4 deleted file mode 100644 index 870472b..0000000 --- a/m4/gl_warnings.m4 +++ /dev/null @@ -1,106 +0,0 @@ -# warnings.m4 serial 13 -dnl Copyright (C) 2008-2017 Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -dnl From Simon Josefsson - -# gl_AS_VAR_APPEND(VAR, VALUE) -# ---------------------------- -# Provide the functionality of AS_VAR_APPEND if Autoconf does not have it. -m4_ifdef([AS_VAR_APPEND], -[m4_copy([AS_VAR_APPEND], [gl_AS_VAR_APPEND])], -[m4_define([gl_AS_VAR_APPEND], -[AS_VAR_SET([$1], [AS_VAR_GET([$1])$2])])]) - - -# gl_COMPILER_OPTION_IF(OPTION, [IF-SUPPORTED], [IF-NOT-SUPPORTED], -# [PROGRAM = AC_LANG_PROGRAM()]) -# ----------------------------------------------------------------- -# Check if the compiler supports OPTION when compiling PROGRAM. -# -# The effects of this macro depend on the current language (_AC_LANG). -AC_DEFUN([gl_COMPILER_OPTION_IF], -[ -dnl FIXME: gl_Warn must be used unquoted until we can assume Autoconf -dnl 2.64 or newer. -AS_VAR_PUSHDEF([gl_Warn], [gl_cv_warn_[]_AC_LANG_ABBREV[]_$1])dnl -AS_VAR_PUSHDEF([gl_Flags], [_AC_LANG_PREFIX[]FLAGS])dnl -AS_LITERAL_IF([$1], - [m4_pushdef([gl_Positive], m4_bpatsubst([$1], [^-Wno-], [-W]))], - [gl_positive="$1" -case $gl_positive in - -Wno-*) gl_positive=-W`expr "X$gl_positive" : 'X-Wno-\(.*\)'` ;; -esac -m4_pushdef([gl_Positive], [$gl_positive])])dnl -AC_CACHE_CHECK([whether _AC_LANG compiler handles $1], m4_defn([gl_Warn]), [ - gl_save_compiler_FLAGS="$gl_Flags" - gl_AS_VAR_APPEND(m4_defn([gl_Flags]), - [" $gl_unknown_warnings_are_errors ]m4_defn([gl_Positive])["]) - AC_LINK_IFELSE([m4_default([$4], [AC_LANG_PROGRAM([])])], - [AS_VAR_SET(gl_Warn, [yes])], - [AS_VAR_SET(gl_Warn, [no])]) - gl_Flags="$gl_save_compiler_FLAGS" -]) -AS_VAR_IF(gl_Warn, [yes], [$2], [$3]) -m4_popdef([gl_Positive])dnl -AS_VAR_POPDEF([gl_Flags])dnl -AS_VAR_POPDEF([gl_Warn])dnl -]) - -# gl_UNKNOWN_WARNINGS_ARE_ERRORS -# ------------------------------ -# Clang doesn't complain about unknown warning options unless one also -# specifies -Wunknown-warning-option -Werror. Detect this. -# -# The effects of this macro depend on the current language (_AC_LANG). -AC_DEFUN([gl_UNKNOWN_WARNINGS_ARE_ERRORS], -[_AC_LANG_DISPATCH([$0], _AC_LANG, $@)]) - -# Specialization for _AC_LANG = C. This macro can be AC_REQUIREd. -# Use of m4_defun rather than AC_DEFUN works around a bug in autoconf < 2.63b. -m4_defun([gl_UNKNOWN_WARNINGS_ARE_ERRORS(C)], -[ - AC_LANG_PUSH([C]) - gl_UNKNOWN_WARNINGS_ARE_ERRORS_IMPL - AC_LANG_POP([C]) -]) - -# Specialization for _AC_LANG = C++. This macro can be AC_REQUIREd. -# Use of m4_defun rather than AC_DEFUN works around a bug in autoconf < 2.63b. -m4_defun([gl_UNKNOWN_WARNINGS_ARE_ERRORS(C++)], -[ - AC_LANG_PUSH([C++]) - gl_UNKNOWN_WARNINGS_ARE_ERRORS_IMPL - AC_LANG_POP([C++]) -]) - -AC_DEFUN([gl_UNKNOWN_WARNINGS_ARE_ERRORS_IMPL], -[gl_COMPILER_OPTION_IF([-Werror -Wunknown-warning-option], - [gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror'], - [gl_unknown_warnings_are_errors=])]) - -# gl_WARN_ADD(OPTION, [VARIABLE = WARN_CFLAGS/WARN_CXXFLAGS], -# [PROGRAM = AC_LANG_PROGRAM()]) -# ----------------------------------------------------------- -# Adds parameter to WARN_CFLAGS/WARN_CXXFLAGS if the compiler supports it -# when compiling PROGRAM. For example, gl_WARN_ADD([-Wparentheses]). -# -# If VARIABLE is a variable name, AC_SUBST it. -# -# The effects of this macro depend on the current language (_AC_LANG). -AC_DEFUN([gl_WARN_ADD], -[AC_REQUIRE([gl_UNKNOWN_WARNINGS_ARE_ERRORS(]_AC_LANG[)]) -gl_COMPILER_OPTION_IF([$1], - [gl_AS_VAR_APPEND(m4_if([$2], [], [[WARN_]_AC_LANG_PREFIX[FLAGS]], [[$2]]), [" $1"])], - [], - [$3]) -m4_ifval([$2], - [AS_LITERAL_IF([$2], [AC_SUBST([$2])])], - [AC_SUBST([WARN_]_AC_LANG_PREFIX[FLAGS])])dnl -]) - -# Local Variables: -# mode: autoconf -# End: -- cgit v0.9.1