Mercurial > hg > CbC > CbC_gcc
annotate contrib/check_warning_flags.sh @ 103:edcadcec937d
modify __rectype
| author | Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 23 Mar 2012 17:11:33 +0900 |
| parents | b7f97abdc517 |
| children |
| rev | line source |
|---|---|
| 0 | 1 #! /bin/sh |
| 2 # | |
| 3 # Check that the warning flags documented in invoke.texi match up | |
| 4 # with what the compiler accepts. | |
| 5 # | |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
6 # Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc. |
| 0 | 7 # Written by Ralf Wildenhues <Ralf.Wildenhues@gmx.de>. |
| 8 # | |
| 9 # This script is Free Software, and it can be copied, distributed and | |
| 10 # modified as defined in the GNU General Public License. A copy of | |
| 11 # its license can be downloaded from http://www.gnu.org/copyleft/gpl.html | |
| 12 # | |
| 13 # Call this script as | |
| 14 # check_warning_flags.sh path/to/invoke.texi | |
| 15 # with CC set to the compiler to be tested. | |
| 16 # The script scribbles in the current directory. | |
| 17 | |
| 18 progname=`echo "$0" | sed 's,.*/,,'` | |
| 19 usage () | |
| 20 { | |
| 21 echo "usage: $progname path/to/gcc/doc" | |
| 22 echo "set \$CC to the compiler to be checked" | |
| 23 exit 1 | |
| 24 } | |
| 25 | |
| 26 ret=0 | |
| 27 LC_ALL=C | |
| 28 export LC_ALL | |
| 29 : ${CC=gcc} | |
| 30 test $# = 1 || usage | |
| 31 gcc_docdir=$1 | |
| 32 invoke_texi=$gcc_docdir/invoke.texi | |
| 33 test -r "$invoke_texi" || { | |
| 34 echo "$progname: error: cannot read '$invoke_texi'" >&2 | |
| 35 usage | |
| 36 } | |
| 37 filebase=check_warning_flags_file$$ | |
| 38 stderr=check_warning_flags_stderr$$ | |
| 39 | |
| 40 remove_problematic_flags=' | |
| 41 /-Wlarger-than-/d | |
| 42 /-Wframe-larger-than/d | |
| 43 /-Wdisallowed-function-list/d | |
| 44 /-W[alp],/d | |
| 45 /-Werror/d | |
| 46 /-Wpadded/d | |
| 47 /pedantic-ms-format/d | |
| 48 /=/d' | |
| 49 | |
| 50 # Ensure that indexed warnings are accepted. | |
| 51 set x `sed '/^@opindex W/{ | |
| 52 s/^@opindex /-/ | |
| 53 '"$remove_problematic_flags"' | |
| 54 /-W[alp]$/d | |
| 55 p | |
| 56 } | |
| 57 d' <"$invoke_texi"` | |
| 58 shift | |
| 59 : >$filebase.c | |
| 60 $CC -c $filebase.c "$@" 2>&1 | | |
| 61 grep -v 'command line option.*is valid for.*but not for' >$stderr | |
| 62 if test -s $stderr; then | |
| 63 echo "options listed in @opindex but not accepted by the compiler:" >&2 | |
| 64 cat $stderr >&2 | |
| 65 ret=1 | |
| 66 fi | |
| 67 rm -f $filebase.c $stderr | |
| 68 | |
| 69 # Check documentation of warning options. | |
| 70 for lang in c c++ objc obj-c++; do | |
| 71 case $lang in | |
| 72 c) ext=c; langmatch='[^-]C[^+].*only' ;; | |
| 73 c++) ext=C; langmatch='[^-]C++.*only' ;; | |
| 74 objc) ext=m; langmatch='Objective-C[^+].*only' ;; | |
| 75 obj-c++) ext=M; langmatch='Objective-C++.*only' ;; | |
| 76 esac | |
| 77 file=$filebase.$ext | |
| 78 : >$file | |
| 79 $CC -c $file 2>$stderr | |
| 80 if grep 'not installed on this system' $stderr >/dev/null || | |
| 81 grep 'installation problem, cannot exec' $stderr >/dev/null || | |
| 82 grep 'error trying to exec' $stderr >/dev/null | |
| 83 then | |
| 84 echo "$progname: $CC is not configured for language $lang, skipping checks" >&2 | |
| 85 rm -f $file $filebase.o $filebase.obj $stderr | |
| 86 continue | |
| 87 fi | |
| 88 | |
| 89 # Verify good warning flags. | |
| 90 set x `sed ' | |
| 91 t a | |
| 92 :a | |
| 93 /^@item -W/{ | |
| 94 /'"$langmatch"'/b x | |
| 95 / only)/d | |
| 96 b x | |
| 97 } | |
| 98 d | |
| 99 :x | |
| 100 '"$remove_problematic_flags"' | |
| 101 s/^@item // | |
| 102 s/ .*// | |
| 103 ' <"$invoke_texi"` | |
| 104 shift | |
| 105 $CC -c $file -O "$@" 2>$stderr | |
| 106 if test -s $stderr; then | |
| 107 echo failures: >&2 | |
| 108 cat $stderr >&2 | |
| 109 ret=1 | |
| 110 fi | |
| 111 | |
| 112 # Verify bad warning flags. | |
| 113 set x `sed ' | |
| 114 t a | |
| 115 :a | |
| 116 /^@item -W/{ | |
| 117 / only)/!d | |
| 118 /'"$langmatch"'/d | |
| 119 b x | |
| 120 } | |
| 121 d | |
| 122 :x | |
| 123 '"$remove_problematic_flags"' | |
| 124 s/^@item // | |
| 125 s/ .*// | |
| 126 ' <"$invoke_texi"` | |
| 127 shift | |
| 128 $CC -c $file -O "$@" 2>$stderr | |
| 129 # cat $stderr >&2 | |
| 130 test $# = `grep 'command line option.*valid.*but not for' <$stderr | wc -l` || { | |
| 131 for warning | |
| 132 do | |
| 133 grep "command line option.*$warning.*valid" <$stderr >&2 || | |
| 134 echo "valid for $lang but not annotated as such: $warning" | |
| 135 done | |
| 136 ret=1 | |
| 137 } | |
| 138 rm -f $file $filebase.o $filebase.obj $stderr | |
| 139 done | |
| 140 | |
| 141 | |
| 142 remove_problematic_help_flags=' | |
| 143 /^W$/d | |
| 144 /^W[alp]$/d | |
| 145 /^Werror-implicit-function-declaration$/d | |
| 146 /^Wsynth$/d | |
| 147 /-$/d | |
| 148 /=/d' | |
| 149 help_flags=` | |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
150 $CC --help -v 2>/dev/null | tr ' ' '\012' | |
| 0 | 151 sed -n ' |
| 152 b a | |
| 153 :a | |
| 154 s/^-\(W[^<,]*\).*/\1/ | |
| 155 t x | |
| 156 d | |
| 157 :x | |
| 158 '"$remove_problematic_help_flags"' | |
| 159 p' | sort -u` | |
| 160 : >$filebase.c | |
| 161 for flag in $help_flags; do | |
| 162 $CC -c $filebase.c -$flag 2>/dev/null || { | |
| 163 echo "warning -$flag not supported" >&2 | |
| 164 ret=1 | |
| 165 } | |
| 166 grep "@item.*$flag" $gcc_docdir/../*/*.texi >/dev/null || { | |
| 167 # For @item, we are satisfied with either -Wfoo or -Wno-foo. | |
| 168 inverted_flag=`echo "$flag" | sed ' | |
| 169 s/^Wno-/W/ | |
| 170 t | |
| 171 s/^W/Wno-/'` | |
| 172 grep "@item.*$inverted_flag" $gcc_docdir/../*/*.texi >/dev/null || { | |
| 173 echo "warning -$flag not documented in $gcc_docdir/../*/*.texi" >&2 | |
| 174 ret=1 | |
| 175 } | |
| 176 } | |
| 177 done | |
| 178 rm -f $filebase.c $filebase.o | |
| 179 | |
| 180 exit $ret |