bin/errs1

   1 #! /bin/sh
   2 # $Id$
   3
   4 customss="--enable-static --disable-shared"
   5 customm="-m64"
   6 target=
   7 targets=
   8 configure="./configure"
   9 debug="-ggdb2"
  10 ldflags="-lmcheck"
  11 fast=false
  12
  13 while true
  14 do
  15         if [ "$1" = "--origss" ];then
  16                 customss=
  17                 shift
  18                 continue
  19         fi
  20         if [ "$1" = "--fast" ];then
  21                 fast=true
  22                 shift
  23                 continue
  24         fi
  25         if [ "$1" = "--shared" ];then
  26                 customss="--disable-static --enable-shared"
  27                 shift
  28                 continue
  29         fi
  30
  31         if [ "$1" = "-m" ];then
  32                 customm=
  33                 shift
  34                 continue
  35         fi
  36         if [ "$1" = "-m32" ];then
  37                 customm=-m32
  38                 case `uname -m` in
  39                   i?86|x86_64|ia64) target=i386-unknown-linux-gnu ;;
  40                   ppc*)             target=powerpc64-unknown-linux-gnu ;;
  41                   s390*)            target=s390-unknown-linux-gnu ;;
  42                 esac
  43                 shift
  44                 continue
  45         fi
  46
  47         if [ "${1#*/configure}" != "$1" ];then
  48                 configure="$1"
  49                 shift
  50                 continue
  51         fi
  52
  53         if [ "$1" = "-s" ];then
  54                 # -O0 is important to override GCC -O2.
  55                 debug="-O0 -s"
  56                 ldflags=""
  57                 shift
  58                 continue
  59         fi
  60
  61         break
  62 done
  63
  64 (
  65         set -ex
  66         find -name config.cache|xargs rm -f
  67
  68         # sourceware.org?
  69         if test -f `dirname $configure`/bfd/elf64-x86-64.c \
  70              -o -f `dirname $configure`/gcc/reload.c;then
  71                 maintainer=""
  72         else
  73                 :
  74 #               maintainer="--enable-maintainer-mode"
  75         fi
  76         if test -f `dirname $configure`/bfd/elf64-x86-64.c;then
  77                 test -f g77 || (test -f /usr/bin/gfortran && ln -s /usr/bin/gfortran g77)
  78         fi
  79         if ! $fast;then
  80                 targets="$targets --enable-64-bit-bfd"
  81         fi
  82         if ! $fast && test -f `dirname $configure`/bfd/elf64-x86-64.c -a '(' -d CVS -o -d .git ')';then
  83                 targets="$targets --enable-targets=all"
  84         fi
  85
  86         if test -f `dirname $configure`/gcc/reload.c;then
  87                 werror="--disable-werror"
  88                 customm=""
  89                 customss="--disable-static --enable-shared"
  90         else
  91                 werror=""
  92         fi
  93
  94         test -z "$CC" && CC=gcc
  95         : >errs1.c
  96         for flags in                                                                                                    \
  97                 "$debug -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4"   \
  98                 "$debug -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions"                                               \
  99                 ""                                                                                                      \
 100                 ;do
 101                 if [ -z "$flags" ];then
 102                         rm -f errs1.c
 103                         echo >&2 "flags error"
 104                         exit 1
 105                 fi
 106                 "$CC" $flags -c errs1.c -o /dev/null && break
 107         done
 108         if test -n "$customm" && "$CC" $customm -c errs1.c -o /dev/null;then
 109                 flags="$customm $flags"
 110         fi
 111         rm -f errs1.c
 112         export CFLAGS="$flags"
 113         export CXXFLAGS="$flags"
 114         export GCJFLAGS="$flags"
 115         export CFLAGS_FOR_TARGET="$flags"
 116         export CXXFLAGS_FOR_TARGET="$flags"
 117         export LDFLAGS="$ldflags"
 118
 119         time nice "$configure" $target $targets $customss --enable-debug $maintainer $werror "$@"
 120         ) 2>&1|tee errs1