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 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 [ "$1" = "-m32" ];then
  37                 customm=-m32
  38                 target=i386-unknown-linux-gnu
  39                 shift
  40                 continue
  41         fi
  42
  43         if [ "${1#*/configure}" != "$1" ];then
  44                 configure="$1"
  45                 shift
  46                 continue
  47         fi
  48
  49         if [ "$1" = "-s" ];then
  50                 # -O0 is important to override GCC -O2.
  51                 debug="-O0 -s"
  52                 shift
  53                 continue
  54         fi
  55
  56         break
  57 done
  58
  59 (
  60         set -ex
  61         find -name config.cache|xargs rm -f
  62
  63         # sourceware.org?
  64         if test -f `dirname $configure`/bfd/elf64-x86-64.c \
  65              -o -f `dirname $configure`/gcc/reload.c;then
  66                 maintainer=""
  67         else
  68                 maintainer="--enable-maintainer-mode"
  69         fi
  70         if test -f `dirname $configure`/bfd/elf64-x86-64.c;then
  71                 test -f g77 || (test -f /usr/bin/gfortran && ln -s /usr/bin/gfortran g77)
  72         fi
  73         if ! $fast && test -f `dirname $configure`/bfd/elf64-x86-64.c -a '(' -d CVS -o -d .git ')';then
  74                 targets="--enable-targets=all"
  75                 ldflags="-lmcheck"
  76         fi
  77
  78         if test -f `dirname $configure`/gcc/reload.c;then
  79                 werror="--disable-werror"
  80                 customm=""
  81                 customss="--disable-static --enable-shared"
  82         else
  83                 werror=""
  84         fi
  85
  86         test -z "$CC" && CC=gcc
  87         : >errs1.c
  88         for flags in                                                                                                    \
  89                 "$debug -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4"   \
  90                 "$debug -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions"                                               \
  91                 ""                                                                                                      \
  92                 ;do
  93                 if [ -z "$flags" ];then
  94                         rm -f errs1.c
  95                         echo >&2 "flags error"
  96                         exit 1
  97                 fi
  98                 "$CC" $flags -c errs1.c -o /dev/null && break
  99         done
 100         if test -n "$customm" && "$CC" $customm -c errs1.c -o /dev/null;then
 101                 flags="$customm $flags"
 102         fi
 103         rm -f errs1.c
 104         export CFLAGS="$flags"
 105         export CXXFLAGS="$flags"
 106         export GCJFLAGS="$flags"
 107         export CFLAGS_FOR_TARGET="$flags"
 108         export CXXFLAGS_FOR_TARGET="$flags"
 109         export LDFLAGS="$ldflags"
 110
 111         time nice "$configure" $target $targets $customss --enable-debug $maintainer $werror "$@"
 112         ) 2>&1|tee errs1