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