toolchain/gcc/4.4.0/820-powerpc-softfloat-libm_for_copysignl.patch

   1 diff -rdup gcc-4.4.0.old/gcc/config/t-slibgcc-elf-ver gcc-4.4.0/gcc/config/t-slibgcc-elf-ver
   2 --- gcc-4.4.0.old/gcc/config/t-slibgcc-elf-ver  2005-10-31 18:03:08.000000000 +0100
   3 +++ gcc-4.4.0/gcc/config/t-slibgcc-elf-ver      2008-10-07 19:28:13.000000000 +0200
   4 @@ -9,7 +9,7 @@ SHLIB_MAP = @shlib_map_file@
   5  SHLIB_OBJS = @shlib_objs@
   6  SHLIB_DIR = @multilib_dir@
   7  SHLIB_SLIBDIR_QUAL = @shlib_slibdir_qual@
   8 -SHLIB_LC = -lc
   9 +SHLIB_LC = @libgcc_libm@ -lc
  10
  11  SHLIB_LINK = $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -shared -nodefaultlibs \
  12         -Wl,--soname=$(SHLIB_SONAME) \
  13 diff -rdup gcc-4.4.0.old/libgcc/configure gcc-4.4.0/libgcc/configure
  14 --- gcc-4.4.0.old/libgcc/configure      2008-07-17 10:40:53.000000000 +0200
  15 +++ gcc-4.4.0/libgcc/configure  2008-10-07 19:40:48.000000000 +0200
  16 @@ -272,7 +272,7 @@ PACKAGE_STRING='GNU C Runtime Library 1.
  17  PACKAGE_BUGREPORT=''
  18
  19  ac_unique_file="static-object.mk"
  20 -ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS libgcc_topdir enable_shared slibdir INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA AWK build build_cpu build_vendor build_os host host_cpu host_vendor host_os host_noncanonical build_libsubdir build_subdir host_subdir target_subdir AR ac_ct_AR LIPO ac_ct_LIPO NM ac_ct_NM RANLIB ac_ct_RANLIB STRIP ac_ct_STRIP LN_S CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP decimal_float enable_decimal_float fixed_point vis_hide set_have_cc_tls tmake_file extra_parts asm_hidden_op LIBOBJS LTLIBOBJS'
  21 +ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS libgcc_topdir enable_shared slibdir INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA AWK build build_cpu build_vendor build_os host host_cpu host_vendor host_os host_noncanonical build_libsubdir build_subdir host_subdir target_subdir AR ac_ct_AR LIPO ac_ct_LIPO NM ac_ct_NM RANLIB ac_ct_RANLIB STRIP ac_ct_STRIP LN_S CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP decimal_float enable_decimal_float fixed_point vis_hide set_have_cc_tls LIBGCC_LIBM tmake_file extra_parts asm_hidden_op LIBOBJS LTLIBOBJS'
  22  ac_subst_files=''
  23  ac_pwd=`pwd`
  24
  25 @@ -3522,6 +3522,39 @@ if test "$enable_tls $gcc_cv_have_cc_tls
  26  fi
  27
  28
  29 +# On powerpc libgcc_s references copysignl which is a libm function but
  30 +# glibc apparently also provides it via libc as opposed to uClibc where
  31 +# it lives in libm.
  32 +echo "$as_me:$LINENO: checking for library containing copysignl" >&5
  33 +echo $ECHO_N "checking for library containing copysignl... $ECHO_C" >&6
  34 +if test "${libgcc_cv_copysignl_lib+set}" = set; then
  35 +  echo $ECHO_N "(cached) $ECHO_C" >&6
  36 +else
  37 +
  38 +    echo '#include <features.h>' > conftest.c
  39 +    echo 'int the_libc = __UCLIBC__ + __powerpc__;' >> conftest.c
  40 +    libgcc_cv_copysignl_lib="-lc"
  41 +    if { ac_try='${CC-cc} -S conftest.c -o conftest.s 1>&5'
  42 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  43 +  (eval $ac_try) 2>&5
  44 +  ac_status=$?
  45 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  46 +  (exit $ac_status); }; }
  47 +    then
  48 +       libgcc_cv_copysignl_lib="-lm"
  49 +    fi
  50 +    rm -f conftest.*
  51 +
  52 +fi
  53 +echo "$as_me:$LINENO: result: $libgcc_cv_copysignl_lib" >&5
  54 +echo "${ECHO_T}$libgcc_cv_copysignl_lib" >&6
  55 +
  56 +case /${libgcc_cv_copysignl_lib}/ in
  57 +  /-lm/) LIBGCC_LIBM="$LIBGCC_LIBM -lm" ;;
  58 +  *) LIBGCC_LIBM= ;;
  59 +esac
  60 +
  61 +
  62  # Conditionalize the makefile for this target machine.
  63  tmake_file_=
  64  for f in ${tmake_file}
  65 @@ -4242,6 +4275,7 @@ s,@enable_decimal_float@,$enable_decimal
  66  s,@fixed_point@,$fixed_point,;t t
  67  s,@vis_hide@,$vis_hide,;t t
  68  s,@set_have_cc_tls@,$set_have_cc_tls,;t t
  69 +s,@LIBGCC_LIBM@,$LIBGCC_LIBM,;t t
  70  s,@tmake_file@,$tmake_file,;t t
  71  s,@extra_parts@,$extra_parts,;t t
  72  s,@asm_hidden_op@,$asm_hidden_op,;t t
  73 diff -rdup gcc-4.4.0.old/libgcc/configure.ac gcc-4.4.0/libgcc/configure.ac
  74 --- gcc-4.4.0.old/libgcc/configure.ac   2008-07-17 10:40:53.000000000 +0200
  75 +++ gcc-4.4.0/libgcc/configure.ac       2008-10-07 19:34:48.000000000 +0200
  76 @@ -203,6 +203,27 @@ if test "$enable_tls $gcc_cv_have_cc_tls
  77  fi
  78  AC_SUBST(set_have_cc_tls)
  79
  80 +# On powerpc libgcc_s references copysignl which is a libm function but
  81 +# glibc apparently also provides it via libc as opposed to uClibc where
  82 +# it lives in libm.
  83 +AC_CACHE_CHECK([for library containing copysignl],
  84 +  libgcc_cv_copysignl_lib, [
  85 +    echo '#include <features.h>' > conftest.c
  86 +    echo 'int the_libc = __UCLIBC__ + __powerpc__;' >> conftest.c
  87 +    libgcc_cv_copysignl_lib="-lc"
  88 +    if AC_TRY_COMMAND(${CC-cc} -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD)
  89 +    then
  90 +       libgcc_cv_copysignl_lib="-lm"
  91 +    fi
  92 +    rm -f conftest.*
  93 +  ])
  94 +
  95 +case /${libgcc_cv_copysignl_lib}/ in
  96 +  /-lm/) LIBGCC_LIBM="$LIBGCC_LIBM -lm" ;;
  97 +  *) LIBGCC_LIBM= ;;
  98 +esac
  99 +AC_SUBST(LIBGCC_LIBM)
 100 +
 101  # Conditionalize the makefile for this target machine.
 102  tmake_file_=
 103  for f in ${tmake_file}
 104 diff -rdup gcc-4.4.0.old/libgcc/Makefile.in gcc-4.4.0/libgcc/Makefile.in
 105 --- gcc-4.4.0.old/libgcc/Makefile.in    2008-07-17 10:40:53.000000000 +0200
 106 +++ gcc-4.4.0/libgcc/Makefile.in        2008-10-07 19:28:13.000000000 +0200
 107 @@ -40,6 +40,7 @@ enable_shared = @enable_shared@
 108  decimal_float = @decimal_float@
 109  enable_decimal_float = @enable_decimal_float@
 110  fixed_point = @fixed_point@
 111 +LIBGCC_LIBM = @LIBGCC_LIBM@
 112
 113  host_noncanonical = @host_noncanonical@
 114
 115 @@ -786,9 +787,10 @@ libgcc_s$(SHLIB_EXT): $(libgcc-s-objects
 116                 @multilib_dir@,$(MULTIDIR),$(subst \
 117                 @shlib_objs@,$(objects),$(subst \
 118                 @shlib_base_name@,libgcc_s,$(subst \
 119 +               @libgcc_libm@,$(LIBGCC_LIBM),$(subst \
 120                 @shlib_map_file@,$(mapfile),$(subst \
 121                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \
 122 -               @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))
 123 +               @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK)))))))))
 124
 125  libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
 126         # @multilib_flags@ is still needed because this may use