obsolete-buildroot/sources/gcc2.95-uclibc-conf.patch

   1 Warning!  The powerpc patch (rs6000/linux.h) is hack-ish and would
   2 definitely need to be improved to be acceptable upstream.  Also,
   3 this patch isn't complete as it only supports i386, arm, mips, and
   4 powerpc (rs6000).
   5 diff -urN gcc-20011006/config.sub gcc-20011006-new/config.sub
   6 --- gcc-20011006/config.sub     2004-01-13 06:15:28.000000000 -0600
   7 +++ gcc-20011006-new/config.sub 2004-01-10 11:09:35.000000000 -0600
   8 @@ -68,7 +68,7 @@
   9  # Here we must recognize all the valid KERNEL-OS combinations.
  10  maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
  11  case $maybe_os in
  12 -  linux-gnu*)
  13 +  linux-gnu* | linux-uclibc*)
  14      os=-$maybe_os
  15      basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
  16      ;;
  17 @@ -936,7 +936,8 @@
  18               | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
  19               | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
  20               | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
  21 -             | -mingw32* | -linux-gnu* | -uxpv* | -beos* | -mpeix* | -udk* \
  22 +             | -mingw32* | -linux-gnu* | -linux-uclibc* \
  23 +             | -uxpv* | -beos* | -mpeix* | -udk* \
  24               | -interix* | -uwin* )
  25         # Remember, each alternative MUST END IN *, to match a version number.
  26                 ;;
  27 diff -urN gcc-20011006/gcc/config/arm/linux-elf.h gcc-20011006-new/gcc/config/arm/linux-elf.h
  28 --- gcc-20011006/gcc/config/arm/linux-elf.h     2004-01-13 06:15:28.000000000 -0600
  29 +++ gcc-20011006-new/gcc/config/arm/linux-elf.h 2004-01-10 11:12:11.000000000 -0600
  30 @@ -90,6 +90,18 @@
  31  #define ENDFILE_SPEC \
  32    "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
  33
  34 +#ifdef USE_UCLIBC
  35 +#define LINK_SPEC "%{h*} %{version:-v} \
  36 +   %{b} %{Wl,*:%*} \
  37 +   %{static:-Bstatic} \
  38 +   %{shared:-shared} \
  39 +   %{symbolic:-Bsymbolic} \
  40 +   %{rdynamic:-export-dynamic} \
  41 +   %{!dynamic-linker:-dynamic-linker /lib/ld-uClibc.so.0} \
  42 +   -X \
  43 +   %{mbig-endian:-EB}" \
  44 +   SUBTARGET_EXTRA_LINK_SPEC
  45 +#else
  46  #define LINK_SPEC "%{h*} %{version:-v} \
  47     %{b} %{Wl,*:%*} \
  48     %{static:-Bstatic} \
  49 @@ -100,6 +112,7 @@
  50     -X \
  51     %{mbig-endian:-EB}" \
  52     SUBTARGET_EXTRA_LINK_SPEC
  53 +#endif
  54
  55  #undef  CPP_PREDEFINES
  56  #define CPP_PREDEFINES \
  57 diff -urN gcc-20011006/gcc/config/i386/linux.h gcc-20011006-new/gcc/config/i386/linux.h
  58 --- gcc-20011006/gcc/config/i386/linux.h        2001-04-03 17:38:59.000000000 -0500
  59 +++ gcc-20011006-new/gcc/config/i386/linux.h    2004-01-10 11:15:38.000000000 -0600
  60 @@ -199,6 +199,15 @@
  61         %{static:-static}}}"
  62  #endif
  63  #else
  64 +#if defined USE_UCLIBC
  65 +#define LINK_SPEC "-m elf_i386 %{shared:-shared} \
  66 +  %{!shared: \
  67 +    %{!ibcs: \
  68 +      %{!static: \
  69 +       %{rdynamic:-export-dynamic} \
  70 +       %{!dynamic-linker:-dynamic-linker /lib/ld-uClibc.so.0}} \
  71 +       %{static:-static}}}"
  72 +#else
  73  #define LINK_SPEC "-m elf_i386 %{shared:-shared} \
  74    %{!shared: \
  75      %{!ibcs: \
  76 @@ -207,6 +216,7 @@
  77         %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
  78         %{static:-static}}}"
  79  #endif
  80 +#endif
  81
  82  /* Get perform_* macros to build libgcc.a.  */
  83  #include "i386/perform.h"
  84 diff -urN gcc-20011006/gcc/config/mips/linux.h gcc-20011006-new/gcc/config/mips/linux.h
  85 --- gcc-20011006/gcc/config/mips/linux.h        2004-01-13 06:15:28.000000000 -0600
  86 +++ gcc-20011006-new/gcc/config/mips/linux.h    2004-01-10 11:16:39.000000000 -0600
  87 @@ -154,6 +154,17 @@
  88
  89  /* Borrowed from sparc/linux.h */
  90  #undef LINK_SPEC
  91 +#ifdef USE_UCLIBC
  92 +#define LINK_SPEC \
  93 + "%(endian_spec) \
  94 +  %{shared:-shared} \
  95 +  %{!shared: \
  96 +    %{!ibcs: \
  97 +      %{!static: \
  98 +        %{rdynamic:-export-dynamic} \
  99 +        %{!dynamic-linker:-dynamic-linker /lib/ld-uClibc.so.0}} \
 100 +        %{static:-static}}}"
 101 +#else
 102  #define LINK_SPEC \
 103   "%(endian_spec) \
 104    %{shared:-shared} \
 105 @@ -163,6 +174,7 @@
 106          %{rdynamic:-export-dynamic} \
 107          %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}} \
 108          %{static:-static}}}"
 109 +#endif
 110
 111
 112  #undef SUBTARGET_ASM_SPEC
 113 diff -urN old/gcc-20011006/gcc/config/mips/t-linux-uclibc gcc-20011006/gcc/config/mips/t-linux-uclibc
 114 --- old/gcc-20011006/gcc/config/mips/t-linux-uclibc     1969-12-31 18:00:00.000000000 -0600
 115 +++ gcc-20011006/gcc/config/mips/t-linux-uclibc 2004-01-14 02:51:10.000000000 -0600
 116 @@ -0,0 +1 @@
 117 +T_CFLAGS = -DUSE_UCLIBC
 118 diff -urN gcc-20011006/gcc/config/rs6000/linux.h gcc-20011006-new/gcc/config/rs6000/linux.h
 119 --- gcc-20011006/gcc/config/rs6000/linux.h      2001-04-03 17:38:59.000000000 -0500
 120 +++ gcc-20011006-new/gcc/config/rs6000/linux.h  2004-01-10 11:15:38.000000000 -0600
 121 @@ -36,12 +36,21 @@
 122  #define CPP_OS_DEFAULT_SPEC "%(cpp_os_linux)"
 123
 124  #undef LINK_SPEC
 125 +#ifdef USE_UCLIBC
 126 +#define LINK_SPEC "-m elf32ppclinux %{G*} %{shared:-shared} \
 127 +  %{!shared: \
 128 +    %{!static: \
 129 +      %{rdynamic:-export-dynamic} \
 130 +      %{!dynamic-linker:-dynamic-linker /lib/ld-uClibc.so.0}} \
 131 +    %{static:-static}}"
 132 +#else
 133  #define LINK_SPEC "-m elf32ppclinux %{G*} %{shared:-shared} \
 134    %{!shared: \
 135      %{!static: \
 136        %{rdynamic:-export-dynamic} \
 137        %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}} \
 138      %{static:-static}}"
 139 +#endif
 140
 141  #undef LIB_DEFAULT_SPEC
 142  #define LIB_DEFAULT_SPEC "%(lib_linux)"
 143 diff -urN gcc-20011006/gcc/config/t-linux-uclibc gcc-20011006-new/gcc/config/t-linux-uclibc
 144 --- gcc-20011006/gcc/config/t-linux-uclibc      1969-12-31 18:00:00.000000000 -0600
 145 +++ gcc-20011006-new/gcc/config/t-linux-uclibc  2004-01-10 11:18:46.000000000 -0600
 146 @@ -0,0 +1,18 @@
 147 +T_CFLAGS = -DUSE_UCLIBC
 148 +
 149 +# Don't run fixproto
 150 +STMP_FIXPROTO =
 151 +
 152 +# Don't install "assert.h" in gcc. We use the one in glibc.
 153 +INSTALL_ASSERT_H =
 154 +
 155 +# Compile crtbeginS.o and crtendS.o with pic.
 156 +CRTSTUFF_T_CFLAGS_S = -fPIC
 157 +# Compile libgcc2.a with pic.
 158 +TARGET_LIBGCC2_CFLAGS = -fPIC
 159 +
 160 +# Do not build libgcc1. Let gcc generate those functions. The GNU/Linux
 161 +# C library can handle them.
 162 +LIBGCC1 =
 163 +CROSS_LIBGCC1 =
 164 +LIBGCC1_TEST =
 165 diff -urN gcc-20011006/gcc/configure gcc-20011006-new/gcc/configure
 166 --- gcc-20011006/gcc/configure  2004-01-13 06:15:28.000000000 -0600
 167 +++ gcc-20011006-new/gcc/configure      2004-01-10 11:28:54.000000000 -0600
 168 @@ -3219,6 +3219,24 @@
 169                         ;;
 170                 esac
 171                 ;;
 172 +       arm*-*-linux-uclibc*)           # ARM GNU/Linux with ELF - uClibc
 173 +               xm_file=arm/xm-linux.h
 174 +               xmake_file=x-linux
 175 +               tm_file="arm/linux-elf.h"
 176 +               case $machine in
 177 +               armv2*-*-*)
 178 +                       tm_file="arm/linux-elf26.h $tm_file"
 179 +                       ;;
 180 +               esac
 181 +               tmake_file="t-linux-uclibc arm/t-linux"
 182 +               extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
 183 +               gnu_ld=yes
 184 +               case x${enable_threads} in
 185 +               x | xyes | xpthreads | xposix)
 186 +                       thread_file='posix'
 187 +                       ;;
 188 +               esac
 189 +               ;;
 190         arm*-*-aout)
 191                 tm_file=arm/aout.h
 192                 tmake_file=arm/t-bare
 193 @@ -3631,6 +3649,18 @@
 194                         thread_file='single'
 195                 fi
 196                 ;;
 197 +       i[34567]86-*-linux*uclibc*)     # Intel 80386's running GNU/Linux
 198 +                                       # with ELF format using uClibc
 199 +               xmake_file=x-linux
 200 +               tm_file=i386/linux.h
 201 +               tmake_file="t-linux-uclibc i386/t-crtstuff"
 202 +               extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
 203 +               gnu_ld=yes
 204 +               float_format=i386
 205 +               if test x$enable_threads = xyes; then
 206 +                       thread_file='posix'
 207 +               fi
 208 +               ;;
 209         i[34567]86-*-linux-gnu*)        # Intel 80386's running GNU/Linux
 210                                         # aka GNU/Linux C library 6
 211                 xmake_file=x-linux
 212 @@ -4696,7 +4726,19 @@
 213                 # On NetBSD, the headers are already okay, except for math.h.
 214                 tmake_file=t-netbsd
 215                 ;;
 216 -       mips*-*-linux*)                         # Linux MIPS, either endian.
 217 +       mips*-*-linux-uclibc*)          # Linux (uclibc) MIPS, either endian.
 218 +               tmake_file=mips/t-linux-uclibc
 219 +               xmake_file=x-linux
 220 +               xm_file="xm-siglist.h ${xm_file}"
 221 +               case $machine in
 222 +                       mipsel-*)  tm_file="mips/elfl.h mips/linux.h" ;;
 223 +                       *)         tm_file="mips/elf.h mips/linux.h" ;;
 224 +               esac
 225 +               extra_parts="crtbegin.o crtend.o"
 226 +               gnu_ld=yes
 227 +               gas=yes
 228 +               ;;
 229 +       mips*-*-linux*)                         # Linux MIPS, either endian.
 230                 xmake_file=x-linux
 231                 xm_file="xm-siglist.h ${xm_file}"
 232                 case $machine in
 233 @@ -5159,6 +5201,24 @@
 234                         thread_file='posix'
 235                 fi
 236                 ;;
 237 +       powerpc-*-linux-uclibc*)
 238 +               tm_file=rs6000/linux.h
 239 +               xm_file="xm-siglist.h rs6000/xm-sysv4.h"
 240 +               xm_defines="USG ${xm_defines}"
 241 +               out_file=rs6000/rs6000.c
 242 +               if test x$gas = xyes
 243 +               then
 244 +                       tmake_file="rs6000/t-ppcos t-linux-uclibc rs6000/t-ppccomm"
 245 +               else
 246 +                       tmake_file="rs6000/t-ppc t-linux-uclibc rs6000/t-ppccomm"
 247 +               fi
 248 +               xmake_file=x-linux
 249 +               extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
 250 +               extra_headers=ppc-asm.h
 251 +               if test x$enable_threads = xyes; then
 252 +                       thread_file='posix'
 253 +               fi
 254 +               ;;
 255          powerpc-wrs-vxworks*)
 256                  cpu_type=rs6000
 257                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
 258 diff -urN gcc-20011006/ltconfig gcc-20011006-new/ltconfig
 259 --- gcc-20011006/ltconfig       1999-06-21 21:35:12.000000000 -0500
 260 +++ gcc-20011006-new/ltconfig   2004-01-10 11:34:23.000000000 -0600
 261 @@ -436,6 +436,7 @@
 262  # Transform linux* to *-*-linux-gnu*, to support old configure scripts.
 263  case "$host_os" in
 264  linux-gnu*) ;;
 265 +linux-uclibc*) ;;
 266  linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
 267  esac
 268
 269 @@ -1773,6 +1774,22 @@
 270    fi
 271    ;;
 272
 273 +linux-uclibc*)
 274 +  version_type=linux
 275 +  need_lib_prefix=no
 276 +  need_version=no
 277 +  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
 278 +  soname_spec='${libname}${release}.so$major'
 279 +  finish_cmds='PATH="$PATH:/sbin" ldconfig -n $libdir'
 280 +  shlibpath_var=LD_LIBRARY_PATH
 281 +  shlibpath_overrides_runpath=no
 282 +  deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
 283 +  file_magic_cmd=/usr/bin/file
 284 +  file_magic_test_file=`echo /lib/libuClibc-*.so`
 285 +  # Assume using the uClibc dynamic linker.
 286 +  dynamic_linker="uClibc ld.so"
 287 +  ;;
 288 +
 289  netbsd*)
 290    version_type=sunos
 291    if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then