an old C-compiler needed to compile sparc kernels

4 files changed, 521 insertions, 0 deletions

diff --git a/sys-devel/kgcc/ChangeLog b/sys-devel/kgcc/ChangeLog
new file mode 100644
index 000000000000..319cbe1fad94
--- /dev/null
+++ b/sys-devel/kgcc/ChangeLog
@@ -0,0 +1,10 @@
+# ChangeLog for sys-devel/kgcc
+# Copyright 2002 Gentoo Technologies, Inc.; Distributed under the GPL v2
+# $Header: /var/cvsroot/gentoo-x86/sys-devel/kgcc/ChangeLog,v 1.1 2002/12/31 18:25:28 cretin Exp $
+
+*kgcc-2.95.3 (31 Dec 2002)
+
+  31 Dec 2002; Stefan Jones <Cretin@gentoo.org> :
+  Installs a gcc-2.95.3 C-compiler only, named kgcc, used to compile sparc
+  32bit kernels.
+
diff --git a/sys-devel/kgcc/files/digest-kgcc-2.95.3 b/sys-devel/kgcc/files/digest-kgcc-2.95.3
new file mode 100644
index 000000000000..fbd54ce087d9
--- /dev/null
+++ b/sys-devel/kgcc/files/digest-kgcc-2.95.3
@@ -0,0 +1 @@
+MD5 56dc4de966a54e4c511f65e525f9c0fe gcc-core-2.95.3.tar.bz2 6798053
diff --git a/sys-devel/kgcc/files/kgcc-2.95.3-new-atexit.diff b/sys-devel/kgcc/files/kgcc-2.95.3-new-atexit.diff
new file mode 100644
index 000000000000..af4de7908197
--- /dev/null
+++ b/sys-devel/kgcc/files/kgcc-2.95.3-new-atexit.diff
@@ -0,0 +1,397 @@
+--- gcc-2.95.3-orig/gcc/c-common.c	Tue Sep  7 03:11:16 1999
++++ gcc-2.95.3/gcc/c-common.c	Tue Aug 14 11:15:53 2001
+@@ -697,7 +697,23 @@
+ 	    if (exact_log2 (align) == -1)
+ 	      error ("requested alignment is not a power of 2");
+ 	    else if (is_type)
+-	      TYPE_ALIGN (type) = align;
++	      {
++		/* If we have a TYPE_DECL, then copy the type, so that we
++		   don't accidentally modify a builtin type.  See pushdecl.  */
++		if (decl && TREE_TYPE (decl) != error_mark_node
++		    && DECL_ORIGINAL_TYPE (decl) == NULL_TREE)
++		  {
++		    tree tt = TREE_TYPE (decl);
++		    DECL_ORIGINAL_TYPE (decl) = tt;
++		    tt = build_type_copy (tt);
++		    TYPE_NAME (tt) = decl;
++		    TREE_USED (tt) = TREE_USED (decl);
++		    TREE_TYPE (decl) = tt;
++		    type = tt;
++		  }
++
++		TYPE_ALIGN (type) = align;
++	      }
+ 	    else if (TREE_CODE (decl) != VAR_DECL
+ 		     && TREE_CODE (decl) != FIELD_DECL)
+ 	      error_with_decl (decl,
+--- gcc-2.95.3-orig/gcc/config/alpha/crtbegin.asm	Wed Dec 16 15:00:53 1998
++++ gcc-2.95.3/gcc/config/alpha/crtbegin.asm	Tue Aug 14 11:15:53 2001
+@@ -97,6 +97,31 @@
+  # Support recursive calls to exit.
+ $ptr:	.quad	__DTOR_LIST__
+ 
++/* A globally unique widget for c++ local destructors to hang off.
++
++   This has a unique value in every dso; in the main program its
++   value is zero.  The object should be protected.  This means the
++   instance in any dso or the main program is not used in any other
++   dso.  The dynamic linker takes care of this.  */
++
++       .global __dso_handle
++       .type __dso_handle,@object
++       .size __dso_handle,8
++#ifdef SHARED
++.section .data
++       .align 3
++__dso_handle:
++       .quad   __dso_handle
++#else
++.section .bss
++       .align 3
++__dso_handle:
++       .zero 8
++#endif
++#ifdef HAVE_GAS_HIDDEN
++       .hidden __dso_handle
++#endif
++
+ .text
+ 
+ 	.align 3
+--- gcc-2.95.3-orig/gcc/config/i386/i386.c	Tue Sep  7 02:38:56 1999
++++ gcc-2.95.3/gcc/config/i386/i386.c	Tue Aug 14 11:17:15 2001
+@@ -291,7 +291,7 @@
+ 
+   if (ix86_arch_string == 0)
+     {
+-      ix86_arch_string = PROCESSOR_PENTIUM_STRING;
++      ix86_arch_string = PROCESSOR_DEFAULT_STRING;
+       if (ix86_cpu_string == 0)
+ 	ix86_cpu_string = PROCESSOR_DEFAULT_STRING;
+     }
+@@ -308,7 +308,7 @@
+   if (i == ptt_size)
+     {
+       error ("bad value (%s) for -march= switch", ix86_arch_string);
+-      ix86_arch_string = PROCESSOR_PENTIUM_STRING;
++      ix86_arch_string = PROCESSOR_DEFAULT_STRING;
+       ix86_arch = PROCESSOR_DEFAULT;
+     }
+ 
+--- gcc-2.95.3-orig/gcc/config/i386/linux.h	Wed Apr  7 19:32:13 1999
++++ gcc-2.95.3/gcc/config/i386/linux.h	Tue Aug 14 11:15:53 2001
+@@ -234,3 +234,21 @@
+     }									\
+   } while (0)
+ #endif
++
++#if defined(__PIC__) && defined (USE_GNULIBC_1)
++/* This is a kludge. The i386 GNU/Linux dynamic linker needs ___brk_addr,
++   __environ and atexit (). We have to make sure they are in the .dynsym
++   section. We accomplish it by making a dummy call here. This
++   code is never reached.  */
++
++#define CRT_END_INIT_DUMMY             \
++  do                                   \
++    {                                  \
++      extern void *___brk_addr;                \
++      extern char **__environ;         \
++                                       \
++      ___brk_addr = __environ;         \
++      atexit (0);                      \
++    }                                  \
++  while (0)
++#endif
+--- gcc-2.95.3-orig/gcc/config/rs6000/rs6000.md	Thu Jan 25 08:03:35 2001
++++ gcc-2.95.3/gcc/config/rs6000/rs6000.md	Tue Aug 14 11:15:53 2001
+@@ -6184,7 +6184,9 @@
+      reg.  So expand it.  */
+   if (GET_CODE (operands[0]) == SUBREG
+       && GET_CODE (SUBREG_REG (operands[0])) == REG
+-      && REGNO (SUBREG_REG (operands[0])) < FIRST_PSEUDO_REGISTER)
++      && REGNO (SUBREG_REG (operands[0])) < FIRST_PSEUDO_REGISTER
++      && (! REG_FUNCTION_VALUE_P (SUBREG_REG (operands[0]))
++	  || ! rtx_equal_function_value_matters))
+     operands[0] = alter_subreg (operands[0]);
+   if (GET_CODE (operands[1]) == SUBREG
+       && GET_CODE (SUBREG_REG (operands[1])) == REG
+--- gcc-2.95.3-orig/gcc/crtstuff.c	Mon Mar 22 18:43:51 1999
++++ gcc-2.95.3/gcc/crtstuff.c	Tue Aug 14 11:15:53 2001
+@@ -55,6 +55,7 @@
+ #include "defaults.h"
+ #include <stddef.h>
+ #include "frame.h"
++#include "auto-host.h"
+ 
+ /* We do not want to add the weak attribute to the declarations of these
+    routines in frame.h because that will cause the definition of these
+@@ -134,6 +135,29 @@
+ #ifdef INIT_SECTION_ASM_OP
+ 
+ #ifdef OBJECT_FORMAT_ELF
++/* Declare the __dso_handle variable.  It should have a unique value
++   in every shared-object; in a main program its value is zero.  The
++   object should in any case be protected.  This means the instance
++   in one DSO or the main program is not used in another object.  The
++   dynamic linker takes care of this.  */
++
++/* XXX Ideally the following should be implemented using
++   __attribute__ ((__visibility__ ("hidden")))
++   but the __attribute__ support is not yet there.  */
++#define HAVE_GAS_HIDDEN 1
++#ifdef HAVE_GAS_HIDDEN
++asm (".hidden\t__dso_handle");
++#endif
++
++#ifdef CRTSTUFFS_O
++void *__dso_handle = &__dso_handle;
++#else
++void *__dso_handle = 0;
++#endif
++
++/* The __cxa_finalize function may not be available so we use only a
++   weak declaration.  */
++extern void __cxa_finalize (void *) TARGET_ATTRIBUTE_WEAK;
+ 
+ /* Run all the global destructors on exit from the program.  */
+  
+@@ -165,6 +189,11 @@
+   if (completed)
+     return;
+ 
++#ifdef CRTSTUFFS_O
++  if (__cxa_finalize)
++    __cxa_finalize (__dso_handle);
++#endif
++
+   while (*p)
+     {
+       p++;
+@@ -379,20 +408,8 @@
+   FORCE_INIT_SECTION_ALIGN;
+ #endif
+   asm (TEXT_SECTION_ASM_OP);
+-
+-/* This is a kludge. The i386 GNU/Linux dynamic linker needs ___brk_addr,
+-   __environ and atexit (). We have to make sure they are in the .dynsym
+-   section. We accomplish it by making a dummy call here. This
+-   code is never reached.  */
+- 
+-#if defined(__linux__) && defined(__PIC__) && defined(__i386__)
+-  {
+-    extern void *___brk_addr;
+-    extern char **__environ;
+-
+-    ___brk_addr = __environ;
+-    atexit ();
+-  }
++#ifdef CRT_END_INIT_DUMMY
++  CRT_END_INIT_DUMMY;
+ #endif
+ }
+ 
+--- gcc-2.95.3-orig/gcc/cse.c	Thu Jan 25 08:03:03 2001
++++ gcc-2.95.3/gcc/cse.c	Tue Aug 14 11:15:53 2001
+@@ -695,8 +695,6 @@
+ static struct cse_reg_info* get_cse_reg_info PROTO((int));
+ static void free_cse_reg_info   PROTO((splay_tree_value));
+ static void flush_hash_table	PROTO((void));
+-
+-extern int rtx_equal_function_value_matters;
+ 
+ /* Dump the expressions in the equivalence class indicated by CLASSP.
+    This function is used only for debugging.  */
+--- gcc-2.95.3-orig/gcc/function.c	Thu Jan 25 08:03:15 2001
++++ gcc-2.95.3/gcc/function.c	Tue Aug 14 11:15:53 2001
+@@ -5292,7 +5292,18 @@
+ 				- offset_ptr->constant); 
+     }
+ #else /* !ARGS_GROW_DOWNWARD */
+-  pad_to_arg_alignment (initial_offset_ptr, boundary);
++  if (!in_regs 
++#ifdef REG_PARM_STACK_SPACE
++      || REG_PARM_STACK_SPACE (fndecl) > 0
++#else
++      /* For the gcc-2_95-branch we want to make sure not to break something
++         on platforms which pass argument in registers but don't define
++         REG_PARM_STACK_SPACE. So we force the original behaviour here.  */
++      || 1
++#endif
++      )
++    pad_to_arg_alignment (initial_offset_ptr, boundary);
++
+   *offset_ptr = *initial_offset_ptr;
+ 
+ #ifdef PUSH_ROUNDING
+--- gcc-2.95.3-orig/gcc/rtl.h	Thu Jan 25 08:03:22 2001
++++ gcc-2.95.3/gcc/rtl.h	Tue Aug 14 11:16:20 2001
+@@ -168,7 +168,8 @@
+      either changing how we compute the frame address or saving and
+      restoring registers in the prologue and epilogue.  
+      1 in a MEM if the MEM refers to a scalar, rather than a member of
+-     an aggregate.  */
++     an aggregate.
++     1 in a SYMBOL_REF if the symbol is weak.  */
+   unsigned frame_related : 1;
+   /* The first element of the operands of this rtx.
+      The number of operands and their types are controlled
+@@ -661,6 +662,9 @@
+ /* 1 means a SYMBOL_REF has been the library function in emit_library_call.  */
+ #define SYMBOL_REF_USED(RTX) ((RTX)->used)
+ 
++/* 1 means a SYMBOL_REF is weak.  */
++#define SYMBOL_REF_WEAK(RTX) ((RTX)->frame_related)
++
+ /* For an INLINE_HEADER rtx, FIRST_FUNCTION_INSN is the first insn
+    of the function that is not involved in copying parameters to
+    pseudo-registers.  FIRST_PARM_INSN is the very first insn of
+@@ -888,6 +892,12 @@
+ /* For a NOTE_INSN_LIVE note, the original basic block number.  */
+ #define RANGE_LIVE_ORIG_BLOCK(INSN) (XINT (INSN, 1))
+ 
++/* Nonzero if we need to distinguish between the return value of this function
++   and the return value of a function called by this function.  This helps
++   integrate.c.
++   This is 1 until after the rtl generation pass.  */
++extern int rtx_equal_function_value_matters;
++
+ /* Generally useful functions.  */
+ 
+ /* The following functions accept a wide integer argument.  Rather than
+--- gcc-2.95.3-orig/gcc/rtlanal.c	Thu Jan 25 08:03:22 2001
++++ gcc-2.95.3/gcc/rtlanal.c	Tue Aug 14 11:16:20 2001
+@@ -136,11 +136,9 @@
+   switch (code)
+     {
+     case SYMBOL_REF:
++      return SYMBOL_REF_WEAK (x);
++
+     case LABEL_REF:
+-      /* SYMBOL_REF is problematic due to the possible presence of
+-	 a #pragma weak, but to say that loads from symbols can trap is
+-	 *very* costly.  It's not at all clear what's best here.  For
+-	 now, we ignore the impact of #pragma weak.  */
+       return 0;
+ 
+     case REG:
+--- gcc-2.95.3-orig/gcc/stor-layout.c	Thu Mar 11 07:56:20 1999
++++ gcc-2.95.3/gcc/stor-layout.c	Tue Aug 14 11:15:53 2001
+@@ -264,8 +264,8 @@
+       if (spec_size == 0 && DECL_NAME (decl) != 0)
+ 	abort ();
+ 
+-      /* Size is specified number of bits.  */
+-      DECL_SIZE (decl) = size_int (spec_size);
++      /* Size is specified in number of bits.  */
++      DECL_SIZE (decl) = bitsize_int (spec_size, 0);
+     }
+   /* Force alignment required for the data type.
+      But if the decl itself wants greater alignment, don't override that.
+@@ -301,7 +301,7 @@
+ 	  DECL_ALIGN (decl) = MAX ((unsigned) GET_MODE_ALIGNMENT (xmode),
+ 				   DECL_ALIGN (decl));
+ 	  DECL_MODE (decl) = xmode;
+-	  DECL_SIZE (decl) = size_int (GET_MODE_BITSIZE (xmode));
++	  DECL_SIZE (decl) = bitsize_int (GET_MODE_BITSIZE (xmode), 0);
+ 	  /* This no longer needs to be accessed as a bit field.  */
+ 	  DECL_BIT_FIELD (decl) = 0;
+ 	}
+@@ -520,7 +520,7 @@
+ 	DECL_FIELD_BITPOS (field) = var_size;
+       else
+ 	{
+-	  DECL_FIELD_BITPOS (field) = size_int (const_size);
++	  DECL_FIELD_BITPOS (field) = bitsize_int (const_size, 0L);
+ 
+ 	  /* If this field ended up more aligned than we thought it
+ 	     would be (we approximate this by seeing if its position
+@@ -562,7 +562,7 @@
+ 
+   if (var_size == 0)
+     {
+-      TYPE_SIZE (rec) = size_int (const_size);
++      TYPE_SIZE (rec) = bitsize_int (const_size, 0L);
+     }
+   else
+     {
+@@ -610,7 +610,7 @@
+   /* The size of the union, based on the fields scanned so far,
+      is max (CONST_SIZE, VAR_SIZE).
+      VAR_SIZE may be null; then CONST_SIZE by itself is the size.  */
+-  register int const_size = 0;
++  register HOST_WIDE_INT const_size = 0;
+   register tree var_size = 0;
+ 
+ #ifdef STRUCTURE_SIZE_BOUNDARY
+@@ -627,6 +627,8 @@
+ 
+   for (field = TYPE_FIELDS (rec); field; field = TREE_CHAIN (field))
+     {
++      tree dsize;
++      
+       /* Enums which are local to this class need not be laid out.  */
+       if (TREE_CODE (field) == CONST_DECL || TREE_CODE (field) == TYPE_DECL)
+ 	continue;
+@@ -645,19 +647,22 @@
+ 	union_align = MAX (union_align, TYPE_ALIGN (TREE_TYPE (field)));
+ #endif
+ 
++      dsize = DECL_SIZE (field);
+       if (TREE_CODE (rec) == UNION_TYPE)
+ 	{
+ 	  /* Set union_size to max (decl_size, union_size).
+ 	     There are more and less general ways to do this.
+ 	     Use only CONST_SIZE unless forced to use VAR_SIZE.  */
+ 
+-	  if (TREE_CODE (DECL_SIZE (field)) == INTEGER_CST)
++	  if (TREE_CODE (dsize) == INTEGER_CST
++              && ! TREE_CONSTANT_OVERFLOW (dsize)
++              && TREE_INT_CST_HIGH (dsize) == 0)
+ 	    const_size
+-	      = MAX (const_size, TREE_INT_CST_LOW (DECL_SIZE (field)));
++	      = MAX (const_size, TREE_INT_CST_LOW (dsize));
+ 	  else if (var_size == 0)
+-	    var_size = DECL_SIZE (field);
++	    var_size = dsize;
+ 	  else
+-	    var_size = size_binop (MAX_EXPR, var_size, DECL_SIZE (field));
++	    var_size = size_binop (MAX_EXPR, var_size, dsize);
+ 	}
+       else if (TREE_CODE (rec) == QUAL_UNION_TYPE)
+ 	var_size = fold (build (COND_EXPR, sizetype, DECL_QUALIFIER (field),
+--- gcc-2.95.3-orig/gcc/toplev.c	Thu Jan 25 08:03:23 2001
++++ gcc-2.95.3/gcc/toplev.c	Tue Aug 14 11:15:53 2001
+@@ -137,8 +137,6 @@
+ #define DIR_SEPARATOR '/'
+ #endif
+ 
+-extern int rtx_equal_function_value_matters;
+-
+ #if ! (defined (VMS) || defined (OS2))
+ extern char **environ;
+ #endif
+--- gcc-2.95.3-orig/gcc/varasm.c	Mon Feb 19 08:02:02 2001
++++ gcc-2.95.3/gcc/varasm.c	Tue Aug 14 11:16:20 2001
+@@ -723,6 +723,8 @@
+ 	 Also handle vars declared register invalidly.  */
+       if (DECL_RTL (decl) == 0)
+ 	{
++	  rtx x;
++
+ 	  /* Can't use just the variable's own name for a variable
+ 	     whose scope is less than the whole file.
+ 	     Concatenate a distinguishing number.  */
+@@ -752,8 +754,10 @@
+ 	      			   new_name, strlen (new_name));
+ 	    }
+ 
+-	  DECL_RTL (decl) = gen_rtx_MEM (DECL_MODE (decl),
+-					 gen_rtx_SYMBOL_REF (Pmode, name));
++	  x = gen_rtx_SYMBOL_REF (Pmode, name);
++	  SYMBOL_REF_WEAK (x) = DECL_WEAK (decl);
++	  DECL_RTL (decl) = gen_rtx_MEM (DECL_MODE (decl), x);
++
+ 	  MEM_ALIAS_SET (DECL_RTL (decl)) = get_alias_set (decl);
+ 	    
+ 	  /* If this variable is to be treated as volatile, show its
diff --git a/sys-devel/kgcc/kgcc-2.95.3.ebuild b/sys-devel/kgcc/kgcc-2.95.3.ebuild
new file mode 100644
index 000000000000..eb5709b3d94c
--- /dev/null
+++ b/sys-devel/kgcc/kgcc-2.95.3.ebuild
@@ -0,0 +1,113 @@
+# Copyright 1999-2002 Gentoo Technologies, Inc.
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sys-devel/kgcc/kgcc-2.95.3.ebuild,v 1.1 2002/12/31 18:25:28 cretin Exp $
+
+IUSE="static"
+
+inherit eutils flag-o-matic
+
+SRC_URI="ftp://gcc.gnu.org/pub/gcc/releases/gcc-${PV}/gcc-core-${PV}.tar.bz2"
+
+S="${WORKDIR}/gcc-${PV}"
+LOC="/usr"
+DESCRIPTION="Modern GCC C compiler for building kernels"
+HOMEPAGE="http://www.gnu.org/software/gcc/gcc.html"
+SLOT="0"
+LICENSE="GPL-2 LGPL-2"
+KEYWORDS="x86 ppc sparc"
+
+DEPEND="virtual/glibc"
+RDEPEND="virtual/glibc"
+DEPEND="${DEPEND}
+	>=sys-libs/ncurses-5.2-r2
+	>=sys-apps/texinfo-4.2-r4"
+
+src_unpack() {
+	unpack gcc-core-${PV}.tar.bz2
+	
+	cd ${S}
+
+	libtoolize --copy --force &> ${T}/foo-out
+	
+	# This new patch for the atexit problem occured with glibc-2.2.3 should
+	# work with glibc-2.2.4.  This closes bug #3987 and #4004.
+	#
+	# Azarah - 29 Jun 2002
+	#
+	# http://archive.linuxfromscratch.org/mail-archives/lfs-dev/2001/08/0476.html
+	# http://archive.linuxfromscratch.org/mail-archives/lfs-dev/2001/08/0589.html
+	#
+	#
+	# Something to note, is that this patch makes gcc crash if its given
+	# the "-mno-ieee-fp" flag ... libvorbis is an good example of this.
+	# This however is on of those which one we want fixed most cases :/
+	#
+	# Azarah - 30 Jun 2002
+	#
+	epatch ${FILESDIR}/${P}-new-atexit.diff
+	
+}
+
+src_compile() {
+	local myconf=""
+	myconf="${myconf} --enable-languages=c --enable-shared"
+
+	# gcc does not like optimization
+
+	unset CFLAGS
+	unset CXXFLAGS
+	
+	${S}/configure --prefix=${LOC} \
+		--mandir=${LOC}/share/man \
+		--infodir=${LOC}/share/info \
+		--enable-version-specific-runtime-libs \
+		--host=${CHOST} \
+		--build=${CHOST} \
+		--target=${CHOST} \
+		--enable-threads \
+		--with-local-prefix=${LOC}/local \
+		${myconf} || die
+
+	# Setup -j in MAKEOPTS
+	get_number_of_jobs
+
+	if [ -z "`use static`" ]
+	then
+		emake bootstrap-lean || die
+	else
+		emake LDFLAGS=-static bootstrap || die
+	fi
+}
+
+src_install() {
+	cd ${S}
+	make install \
+		prefix=${D}${LOC} \
+		mandir=${D}${LOC}/share/man \
+		infodir=${D}${LOC}/share/info || die
+
+	# binutils libiberty.a and we want to use that version
+	# closes bug #2262
+	rm -f ${D}/usr/lib/libiberty.a
+	
+	# Don't need man and info files
+	cd ${D}/usr/share
+	rm -rf info man
+
+	cd ${D}/usr/bin
+	mv -f gcc kgcc
+	rm -rf cpp gcov unprotoize protoize *-gnu-gcc
+
+	cd ${D}/usr
+	rm -rf *-linux-gnu
+
+	cd ${S}
+	docinto /	
+	dodoc COPYING COPYING.LIB README* FAQ MAINTAINERS
+	docinto html
+	dodoc faq.html
+	docinto gcc
+	cd ${S}/gcc
+	dodoc BUGS ChangeLog* COPYING* FSFChangeLog* LANGUAGES NEWS PROBLEMS README* SERVICE TESTS.FLUNK
+}
+