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