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 permissive=""
  23 asan=""
  24 #asan="-fsanitize=address -static-libasan"
  25 mcheck=""
  26 #mcheck="-lmcheck"
  27 fast=false
  28 readline=""
  29 disablebinutils="--disable-binutils --disable-gas --disable-gold --disable-gprof --disable-ld"
  30 python=""
  31
  32 while true
  33 do
  34         if [ "$1" = "--origss" ];then
  35                 customss=
  36                 shift
  37                 continue
  38         fi
  39         if [ "$1" = "--fast" ];then
  40                 fast=true
  41                 shift
  42                 continue
  43         fi
  44         if [ "$1" = "--shared" ];then
  45                 customss="--disable-static --enable-shared"
  46                 shift
  47                 continue
  48         fi
  49
  50         if [ "$1" = "-m" ];then
  51                 customm=
  52                 shift
  53                 continue
  54         fi
  55         if [ "$1" = "-m32" ];then
  56                 customm=-m32
  57                 case `uname -m` in
  58                   i?86|x86_64|ia64) target=i386-unknown-linux-gnu ;;
  59                   ppc*)             target=powerpc64-unknown-linux-gnu ;;
  60                   s390*)            target=s390-unknown-linux-gnu ;;
  61                 esac
  62                 shift
  63                 continue
  64         fi
  65
  66         if [ "${1#*/configure}" != "$1" ];then
  67                 configure="$1"
  68                 shift
  69                 continue
  70         fi
  71
  72         if [ "$1" = "-s" ];then
  73                 # -O0 is important to override GCC -O2.
  74                 debug="-O0 -s"
  75                 shift
  76                 continue
  77         fi
  78
  79         if [ "$1" = "-fpermissive" ];then
  80                 permissive="-fpermissive"
  81                 shift
  82                 continue
  83         fi
  84
  85         if [ "$1" = "--asan" ];then
  86                 asan="-fsanitize=address -static-libasan"
  87                 shift
  88                 continue
  89         fi
  90
  91         if [ "$1" = "--noasan" ];then
  92                 asan=""
  93                 shift
  94                 continue
  95         fi
  96
  97         if [ "$1" = "--nomcheck" ];then
  98                 mcheck=""
  99                 shift
 100                 continue
 101         fi
 102
 103         if [ "$1" = "--binutils" ];then
 104                 disablebinutils="--enable-gold"
 105                 shift
 106                 continue
 107         fi
 108
 109         break
 110 done
 111
 112 rm -f errs1.ok
 113 (
 114         set -ex
 115         find -name config.cache|xargs rm -f
 116
 117         # sourceware.org?
 118         if test -f `dirname $configure`/bfd/elf64-x86-64.c \
 119              -o -f `dirname $configure`/gcc/reload.c;then
 120                 maintainer=""
 121         else
 122                 :
 123 #               maintainer="--enable-maintainer-mode"
 124         fi
 125         if test -f `dirname $configure`/bfd/elf64-x86-64.c;then
 126                 test -f g77 || (test -f /usr/bin/gfortran && ln -s /usr/bin/gfortran g77)
 127         fi
 128         if ! $fast;then
 129                 targets="$targets --enable-64-bit-bfd"
 130         fi
 131         if ! $fast && test -f `dirname $configure`/bfd/elf64-x86-64.c -a '(' -d CVS -o -d .git ')';then
 132                 targets="$targets --enable-targets=all"
 133         fi
 134         if test ! -e readline/readline/display.c;then # $fast ||
 135                 targets="$targets --with-system-readline"
 136         fi
 137
 138         if test -f `dirname $configure`/gcc/reload.c;then
 139                 werror="--disable-werror"
 140                 customm=""
 141                 # --disable-static would fail on finding built libstdc++ due to -static-libstdc++.
 142                 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49829
 143                 #customss=""
 144                 customss="--disable-static --enable-shared"
 145         else
 146                 werror=""
 147         fi
 148
 149         if test -d readline/doc && ! test -e readline/readline.c;then
 150                 # Fedora gdb.spec prep.
 151                 readline="--with-system-readline"
 152         fi
 153
 154         if test -z "$python";then
 155                 if [ -x /usr/bin/python3 ];then
 156                         python="--with-python=/usr/bin/python3"
 157                 fi
 158         fi
 159
 160         test -z "$CC" && CC=gcc
 161         : >errs1.c
 162         # -Wp,-D_FORTIFY_SOURCE=2: /usr/include/features.h:329:3: error: #warning _FORTIFY_SOURCE requested but disabled [-Werror=cpp]
 163         # -ftrack-macro-expansion=0:
 164         # hash.c:535:5: error: statement is indented as if it were guarded by... [-Werror=misleading-indentation]
 165         # hash.c:535:5: note: ...this ‘if’ clause, but it is not
 166         for flags in                                                                                                                                    \
 167                 "$debug -pipe -Wall -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -fno-diagnostics-show-caret -Wno-error=cast-function-type -Wno-error=stringop-truncation -Wno-error=format-truncation $asan"        \
 168                 "$debug -pipe -Wall -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -fno-diagnostics-show-caret $asan"  \
 169                 "$debug -pipe -Wall -fexceptions -fstack-protector --param=ssp-buffer-size=4 -fno-diagnostics-show-caret $asan" \
 170                 "$debug -pipe -Wall -fexceptions -fstack-protector --param=ssp-buffer-size=4 -fno-diagnostics-show-caret"       \
 171                 "$debug -pipe -Wall -fexceptions -fstack-protector --param=ssp-buffer-size=4"                                                           \
 172                 "$debug -pipe -Wall -fexceptions"                                                                                                       \
 173                 ""                                                                                                                                      \
 174                 ;do
 175                 if [ -z "$flags" ];then
 176                         rm -f errs1.c
 177                         echo >&2 "flags error"
 178                         exit 1
 179                 fi
 180                 # Use -Werror:
 181                 # cc1: warnings being treated as errors
 182                 # archive.c:1: error: -fstack-protector not supported for this target
 183                 "$CC" $flags -Werror -c errs1.c -o /dev/null && break
 184         done
 185         if test -n "$customm" && "$CC" $customm -c errs1.c -o /dev/null;then
 186                 flags="$customm $flags"
 187         fi
 188         echo 'int main (void) { return 0; }' >errs1.c
 189         for ldflags in \
 190                 "-fuse-ld=gold -Wl,--gdb-index -ltcmalloc" \
 191                 "-fuse-ld=gold -Wl,--gdb-index" \
 192                 "-ltcmalloc" \
 193                 "" \
 194         ;do
 195                 "$CC" $flags $ldflags errs1.c -o /dev/null && break
 196         done
 197         rm -f errs1.c
 198         if ! echo "$flags"|grep -q 'fsanitize=address';then
 199                 asan=""
 200         fi
 201         flags="$flags -D_GLIBCXX_DEBUG"
 202         export CFLAGS="$flags"
 203         export CXXFLAGS="$flags $permissive"
 204         export GCJFLAGS="$flags"
 205         export CFLAGS_FOR_TARGET="$flags"
 206         export CXXFLAGS_FOR_TARGET="$flags $permissive"
 207         export LDFLAGS="$ldflags $mcheck $asan"
 208
 209         time nice "$configure" $target $targets $customss $readline $disablebinutils $python --enable-debug --disable-sim $maintainer $werror --with-separate-debug-dir=/usr/lib/debug --without-guile "$@"
 210 # --enable-gold --enable-plugins
 211
 212         (ctags; test -d gdb && (cd gdb; ctags; cd testsuite; ctags; cd ../gdbserver; ctags)) &
 213
 214         errs2
 215
 216         touch errs1.ok
 217         ) 2>&1|tee errs1
 218 test -f errs1.ok
 219 rc=$?
 220 rm -f errs1.ok
 221 exit $rc