bin/errs12

   1 #! /bin/bash
   2 # $Id$
   3
   4 #renice +19 -p $$; ionice -c3 -p $$
   5 renice +10 -p $$; ionice -c3 -p $$
   6
   7 # Do not use for ctags - it would override $PATH:
   8 # PS1=x; . ~/.bashrc
   9 function ctags {(unset ctags; PS1=x; . ~/.bashrc; ctags; );}
  10
  11 customss="--enable-static --disable-shared"
  12 customm="-m64"
  13 target=
  14 targets=
  15 configure="./configure"
  16 # >=4.7 has small macros section.
  17 if gcc --version|perl -ne 'exit(!(/(\d+)\.(\d+)/&&($1>4||($1==4&&$2>=7))));';then
  18   debug="-g3"
  19 else
  20   debug="-g2"
  21 fi
  22 asan=""
  23 #asan="-fsanitize=address -static-libasan"
  24 mcheck=""
  25 #mcheck="-lmcheck"
  26 fast=false
  27 readline=""
  28 disablebinutils="--disable-binutils --disable-gas --disable-gold --disable-gprof --disable-ld"
  29
  30 while true
  31 do
  32         if [ "$1" = "--origss" ];then
  33                 customss=
  34                 shift
  35                 continue
  36         fi
  37         if [ "$1" = "--fast" ];then
  38                 fast=true
  39                 shift
  40                 continue
  41         fi
  42         if [ "$1" = "--shared" ];then
  43                 customss="--disable-static --enable-shared"
  44                 shift
  45                 continue
  46         fi
  47
  48         if [ "$1" = "-m" ];then
  49                 customm=
  50                 shift
  51                 continue
  52         fi
  53         if [ "$1" = "-m32" ];then
  54                 customm=-m32
  55                 case `uname -m` in
  56                   i?86|x86_64|ia64) target=i386-unknown-linux-gnu ;;
  57                   ppc*)             target=powerpc64-unknown-linux-gnu ;;
  58                   s390*)            target=s390-unknown-linux-gnu ;;
  59                 esac
  60                 shift
  61                 continue
  62         fi
  63
  64         if [ "${1#*/configure}" != "$1" ];then
  65                 configure="$1"
  66                 shift
  67                 continue
  68         fi
  69
  70         if [ "$1" = "-s" ];then
  71                 # -O0 is important to override GCC -O2.
  72                 debug="-O0 -s"
  73                 shift
  74                 continue
  75         fi
  76
  77         if [ "$1" = "--asan" ];then
  78                 asan="-fsanitize=address -static-libasan"
  79                 shift
  80                 continue
  81         fi
  82
  83         if [ "$1" = "--noasan" ];then
  84                 asan=""
  85                 shift
  86                 continue
  87         fi
  88
  89         if [ "$1" = "--nomcheck" ];then
  90                 mcheck=""
  91                 shift
  92                 continue
  93         fi
  94
  95         if [ "$1" = "--binutils" ];then
  96                 disablebinutils=""
  97                 shift
  98                 continue
  99         fi
 100
 101         break
 102 done
 103
 104 rm -f errs1.ok
 105 (
 106         set -ex
 107         find -name config.cache|xargs rm -f
 108
 109         # sourceware.org?
 110         if test -f `dirname $configure`/bfd/elf64-x86-64.c \
 111              -o -f `dirname $configure`/gcc/reload.c;then
 112                 maintainer=""
 113         else
 114                 :
 115 #               maintainer="--enable-maintainer-mode"
 116         fi
 117         if test -f `dirname $configure`/bfd/elf64-x86-64.c;then
 118                 test -f g77 || (test -f /usr/bin/gfortran && ln -s /usr/bin/gfortran g77)
 119         fi
 120         if ! $fast;then
 121                 targets="$targets --enable-64-bit-bfd"
 122         fi
 123         if ! $fast && test -f `dirname $configure`/bfd/elf64-x86-64.c -a '(' -d CVS -o -d .git ')';then
 124                 targets="$targets --enable-targets=all"
 125         fi
 126         if test ! -d readline;then # $fast ||
 127                 targets="$targets --with-system-readline"
 128         fi
 129
 130         if test -f `dirname $configure`/gcc/reload.c;then
 131                 werror="--disable-werror"
 132                 customm=""
 133                 # --disable-static would fail on finding built libstdc++ due to -static-libstdc++.
 134                 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49829
 135                 #customss=""
 136                 customss="--disable-static --enable-shared"
 137         else
 138                 werror=""
 139         fi
 140
 141         if test -d readline/doc && ! test -e readline/readline.c;then
 142                 # Fedora gdb.spec prep.
 143                 readline="--with-system-readline"
 144         fi
 145
 146         test -z "$CC" && CC=gcc
 147         : >errs1.c
 148         # -Wp,-D_FORTIFY_SOURCE=2: /usr/include/features.h:329:3: error: #warning _FORTIFY_SOURCE requested but disabled [-Werror=cpp]
 149         for flags in                                                                                                                                    \
 150                 "$debug -pipe -Wall -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -ftrack-macro-expansion=0 -fno-diagnostics-show-caret $asan"        \
 151                 "$debug -pipe -Wall -fexceptions -fstack-protector --param=ssp-buffer-size=4 -ftrack-macro-expansion=0 -fno-diagnostics-show-caret $asan"       \
 152                 "$debug -pipe -Wall -fexceptions -fstack-protector --param=ssp-buffer-size=4 -ftrack-macro-expansion=0 -fno-diagnostics-show-caret"     \
 153                 "$debug -pipe -Wall -fexceptions -fstack-protector --param=ssp-buffer-size=4"                                                           \
 154                 "$debug -pipe -Wall -fexceptions"                                                                                                       \
 155                 ""                                                                                                                                      \
 156                 ;do
 157                 if [ -z "$flags" ];then
 158                         rm -f errs1.c
 159                         echo >&2 "flags error"
 160                         exit 1
 161                 fi
 162                 # Use -Werror:
 163                 # cc1: warnings being treated as errors
 164                 # archive.c:1: error: -fstack-protector not supported for this target
 165                 "$CC" $flags -Werror -c errs1.c -o /dev/null && break
 166         done
 167         if test -n "$customm" && "$CC" $customm -c errs1.c -o /dev/null;then
 168                 flags="$customm $flags"
 169         fi
 170         rm -f errs1.c
 171         if ! echo "$flags"|grep -q 'fsanitize=address';then
 172                 asan=""
 173         fi
 174         export CFLAGS="$flags"
 175         export CXXFLAGS="$flags"
 176         export GCJFLAGS="$flags"
 177         export CFLAGS_FOR_TARGET="$flags"
 178         export CXXFLAGS_FOR_TARGET="$flags"
 179         export LDFLAGS="$mcheck $asan"
 180
 181         time nice "$configure" $target $targets $customss $readline $disablebinutils --enable-debug --disable-sim $maintainer $werror --with-separate-debug-dir=/usr/lib/debug --without-guile "$@"
 182 # --enable-gold --enable-plugins
 183
 184         (ctags; test -d gdb && (cd gdb; ctags; cd testsuite; ctags; cd ../gdbserver; ctags)) &
 185
 186         errs2
 187
 188         touch errs1.ok
 189         ) 2>&1|tee errs1
 190 test -f errs1.ok
 191 rc=$?
 192 rm -f errs1.ok
 193 exit $rc