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crossgcc-gcc-2.8.1.patch

To: crossgcc@cygnus.com
Subject: crossgcc-gcc-2.8.1.patch
From: Doug Evans <devans@cygnus.com>
Date: Wed, 15 Jul 1998 13:21:26 -0700
Reply-To: Doug Evans <devans@cygnus.com>
Here is a patch for gcc 2.8.1 for use in building gcc 2.8.1 as a cross
compiler.  I didn't make one sooner as I was kind of hoping someone
else would beat me to it.

Please note that I'm doing this on my own and doesn't represent
the FSF or Cygnus.

In another message I'll send out an updated `one-tree' script.

This file is in
ftp://ftp.cygnus.com/pub/embedded/crossgcc/crossgcc-gcc-2.8.1.patch

---
This is the "crossgcc" patch for gcc 2.8.1.
It makes gcc-2.8.1 build using the "one-tree" method.

To apply this patch:

cd gcc-2.8.1
patch -p1 < this-file

Send comments or bug reports to crossgcc@cygnus.com.

Tue May 19 22:31:20 1998  Jeffrey A Law  (law@cygnus.com)

	* Makefile.in (deduced.h): Only run scan-types if $(SYSTEM_HEADER_DIR)
	exists.
	(stmp-fixproto): Simlarly for running fixproto.
	* cross-make (SYSTEM_HEADER_DIR): Now $(tooldir)/sys-include.

Fri Oct 10 13:46:56 1997  Doug Evans  <dje@canuck.cygnus.com>

	* configure.in: Handle --with-newlib.
	* Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.

Sun Sep  7 09:59:08 1997  Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)

	* configure.in: Make symlink to as-new rather than as.new.  Similarly
	for ld-new.
	* configure: Rebuilt.

<Various people at Cygnus>

	* config/i386/x-go32: New file.
	* configure.in: Don't build objc unless --enable-objc.
	(i386-go32): Set xmake_file to x-go32.
	* configure: Regenerate.

diff -rcp2N /tege/gcc/gcc-2.8.1/config/i386/x-go32 ./config/i386/x-go32
*** /tege/gcc/gcc-2.8.1/config/i386/x-go32	Wed Dec 31 16:00:00 1969
--- ./config/i386/x-go32	Sat Mar 15 16:44:28 1997
***************
*** 0 ****
--- 1,2 ----
+ # FIXME: Protoize doesn't build on go32, so disable it.
+ LANGUAGES = c c++ objective-c
*** /tege/gcc/gcc-2.8.1/configure.in	Sat Feb 28 12:58:12 1998
--- ./configure.in	Thu Jul  9 13:09:00 1998
***************
*** 860,865 ****
--- 860,866 ----
  		xm_file=i386/xm-go32.h
  		tm_file=i386/go32.h
  		tmake_file=i386/t-go32
+ 		xmake_file=i386/x-go32
  		;;
  	i[[34567]]86-pc-msdosdjgpp*)
  		xm_file=i386/xm-go32.h
***************
*** 3017,3031 ****
  
  # If we have gas in the build tree, make a link to it.
  if [[ -f ../gas/Makefile ]]; then
! 	rm -f as; $symbolic_link ../gas/as.new as 2>/dev/null
  fi
  
  # If we have ld in the build tree, make a link to it.
  if [[ -f ../ld/Makefile ]]; then
  	if [[ x$use_collect2 = x ]]; then
! 		rm -f ld; $symbolic_link ../ld/ld.new ld 2>/dev/null
  	else
! 		rm -f collect-ld; $symbolic_link ../ld/ld.new collect-ld 2>/dev/null
  	fi
  fi
  
--- 3018,3032 ----
  
  # If we have gas in the build tree, make a link to it.
  if [[ -f ../gas/Makefile ]]; then
! 	rm -f as; $symbolic_link ../gas/as-new as 2>/dev/null
  fi
  
  # If we have ld in the build tree, make a link to it.
  if [[ -f ../ld/Makefile ]]; then
  	if [[ x$use_collect2 = x ]]; then
! 		rm -f ld; $symbolic_link ../ld/ld-new ld 2>/dev/null
  	else
! 		rm -f collect-ld; $symbolic_link ../ld/ld-new collect-ld 2>/dev/null
  	fi
  fi
  
***************
*** 3038,3043 ****
--- 3039,3051 ----
  	# The odd quoting in the next line works around
  	# an apparent bug in bash 1.12 on linux.
  	${srcdir}/[[*]]/config-lang.in) ;;
+ 	# Don't build objc unless explicitly enabled since it doesn't
+ 	# "just work" in cross compilers (stdio.h,ctype.h "missing").
+ 	${srcdir}/objc/config-lang.in)
+ 	  if [[ x$enable_objc = xyes ]]; then
+ 		subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([[^/]]*\)/config-lang.in$,\1,'`"
+ 	  fi
+ 	  ;;
  	*) subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([[^/]]*\)/config-lang.in$,\1,'`" ;;
  	esac
  done
***************
*** 3162,3167 ****
--- 3170,3185 ----
  	fi
  	echo "source ${srcdir}/.gdbinit" >> .gdbinit
  fi
+ 
+ # If this is using newlib, then define inhibit_libc in
+ # LIBGCC2_CFLAGS.  This will cause __eprintf to be left out of
+ # libgcc.a, but that's OK because newib should have its own version of
+ # assert.h.
+ inhibit_libc=
+ if [[ x$with_newlib = xyes ]]; then
+ 	inhibit_libc=-Dinhibit_libc
+ fi
+ AC_SUBST(inhibit_libc)
  
  # Process the language and host/target makefile fragments.
  ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
*** /tege/gcc/gcc-2.8.1/configure	Sat Feb 28 18:02:02 1998
--- ./configure	Thu Jul  9 13:09:17 1998
***************
*** 3354,3359 ****
--- 3354,3360 ----
  		xm_file=i386/xm-go32.h
  		tm_file=i386/go32.h
  		tmake_file=i386/t-go32
+ 		xmake_file=i386/x-go32
  		;;
  	i[34567]86-pc-msdosdjgpp*)
  		xm_file=i386/xm-go32.h
***************
*** 5511,5525 ****
  
  # If we have gas in the build tree, make a link to it.
  if [ -f ../gas/Makefile ]; then
! 	rm -f as; $symbolic_link ../gas/as.new as 2>/dev/null
  fi
  
  # If we have ld in the build tree, make a link to it.
  if [ -f ../ld/Makefile ]; then
  	if [ x$use_collect2 = x ]; then
! 		rm -f ld; $symbolic_link ../ld/ld.new ld 2>/dev/null
  	else
! 		rm -f collect-ld; $symbolic_link ../ld/ld.new collect-ld 2>/dev/null
  	fi
  fi
  
--- 5512,5526 ----
  
  # If we have gas in the build tree, make a link to it.
  if [ -f ../gas/Makefile ]; then
! 	rm -f as; $symbolic_link ../gas/as-new as 2>/dev/null
  fi
  
  # If we have ld in the build tree, make a link to it.
  if [ -f ../ld/Makefile ]; then
  	if [ x$use_collect2 = x ]; then
! 		rm -f ld; $symbolic_link ../ld/ld-new ld 2>/dev/null
  	else
! 		rm -f collect-ld; $symbolic_link ../ld/ld-new collect-ld 2>/dev/null
  	fi
  fi
  
***************
*** 5532,5537 ****
--- 5533,5545 ----
  	# The odd quoting in the next line works around
  	# an apparent bug in bash 1.12 on linux.
  	${srcdir}/[*]/config-lang.in) ;;
+ 	# Don't build objc unless explicitly enabled since it doesn't
+ 	# "just work" in cross compilers (stdio.h,ctype.h "missing").
+ 	${srcdir}/objc/config-lang.in)
+ 	  if [ x$enable_objc = xyes ]; then
+ 		subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
+ 	  fi
+ 	  ;;
  	*) subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" ;;
  	esac
  done
***************
*** 5657,5662 ****
--- 5665,5681 ----
  	echo "source ${srcdir}/.gdbinit" >> .gdbinit
  fi
  
+ 
+ # If this is using newlib, then define inhibit_libc in
+ # LIBGCC2_CFLAGS.  This will cause __eprintf to be left out of
+ # libgcc.a, but that's OK because newib should have its own version of
+ # assert.h.
+ inhibit_libc=
+ if [ x$with_newlib = xyes ]; then
+ 	inhibit_libc=-Dinhibit_libc
+ fi
+ 
+ 
  # Process the language and host/target makefile fragments.
  ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
  
***************
*** 5905,5910 ****
--- 5924,5930 ----
  s%@CPP@%$CPP%g
  s%@manext@%$manext%g
  s%@objext@%$objext%g
+ s%@inhibit_libc@%$inhibit_libc%g
  s%@subdirs@%$subdirs%g
  s%@all_languages@%$all_languages%g
  s%@all_boot_languages@%$all_boot_languages%g
*** /tege/gcc/gcc-2.8.1/Makefile.in.~1~	Mon Mar  2 17:54:31 1998
--- ./Makefile.in	Thu Jul  9 12:04:56 1998
***************
*** 276,282 ****
  # we use this here because that should be enough, and also
  # so that -g1 will be tested.
  LIBGCC2_DEBUG_CFLAGS = -g1
! LIBGCC2_CFLAGS = -O2 $(LIBGCC2_INCLUDES) $(GCC_CFLAGS) $(TARGET_LIBGCC2_CFLAGS) $(LIBGCC2_DEBUG_CFLAGS) -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -fexceptions
  
  # Additional options to use when compiling libgcc2.a.
  # Some targets override this to -Iinclude
--- 276,282 ----
  # we use this here because that should be enough, and also
  # so that -g1 will be tested.
  LIBGCC2_DEBUG_CFLAGS = -g1
! LIBGCC2_CFLAGS = -O2 $(LIBGCC2_INCLUDES) $(GCC_CFLAGS) $(TARGET_LIBGCC2_CFLAGS) $(LIBGCC2_DEBUG_CFLAGS) -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -fexceptions @inhibit_libc@
  
  # Additional options to use when compiling libgcc2.a.
  # Some targets override this to -Iinclude
***************
*** 1935,1944 ****
  # Files related to the fixproto script.
  
  deduced.h: $(GCC_PASSES) $(srcdir)/scan-types.sh stmp-int-hdrs
! 	CC="$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(ALL_CPPFLAGS) -I. -I$(srcdir) -Iinclude -I${SYSTEM_HEADER_DIR}"; \
  	  export CC; \
! 	  $(SHELL) $(srcdir)/scan-types.sh "$(srcdir)" >tmp-deduced.h
! 	mv tmp-deduced.h deduced.h
  
  gen-protos: gen-protos.o scan.o cppalloc.o $(HOST_LIBDEPS)
  	${HOST_CC} $(HOST_CFLAGS) $(HOST_LDFLAGS) -o $@ \
--- 1935,1949 ----
  # Files related to the fixproto script.
  
  deduced.h: $(GCC_PASSES) $(srcdir)/scan-types.sh stmp-int-hdrs
! 	if [ -d $(SYSTEM_HEADER_DIR) ]; \
! 	then \
! 	  CC="$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(ALL_CPPFLAGS) -I. -I$(srcdir) -Iinclude -I${SYSTEM_HEADER_DIR}"; \
  	  export CC; \
! 	  $(SHELL) $(srcdir)/scan-types.sh "$(srcdir)" >tmp-deduced.h; \
! 	  mv tmp-deduced.h deduced.h; \
! 	else \
! 	  touch deduced.h; \
! 	fi
  
  gen-protos: gen-protos.o scan.o cppalloc.o $(HOST_LIBDEPS)
  	${HOST_CC} $(HOST_CFLAGS) $(HOST_LDFLAGS) -o $@ \
***************
*** 1992,1998 ****
  	else \
  	  : This line works around a 'make' bug in BSDI 1.1.; \
  	  FIXPROTO_DEFINES="$(FIXPROTO_DEFINES)"; export FIXPROTO_DEFINES; \
! 	  $(SHELL) ${srcdir}/fixproto include include $(SYSTEM_HEADER_DIR); \
  	  touch include/fixed; \
  	fi
  	touch stmp-fixproto
--- 1997,2005 ----
  	else \
  	  : This line works around a 'make' bug in BSDI 1.1.; \
  	  FIXPROTO_DEFINES="$(FIXPROTO_DEFINES)"; export FIXPROTO_DEFINES; \
! 	  if [ -d $(SYSTEM_HEADER_DIR) ] ; then \
! 	    $(SHELL) ${srcdir}/fixproto include include $(SYSTEM_HEADER_DIR); \
! 	  else true; fi; \
  	  touch include/fixed; \
  	fi
  	touch stmp-fixproto
*** /tege/gcc/gcc-2.8.1/cross-make	Sat Feb 10 12:12:59 1996
--- ./cross-make	Thu Jul  9 14:26:38 1998
***************
*** 12,18 ****
  RANLIB_TEST = $(RANLIB_TEST_FOR_TARGET)
  
  # Dir to search for system headers.  Normally /usr/include.
! SYSTEM_HEADER_DIR = $(tooldir)/include
  
  # Don't try to compile the things we can't compile.
  ALL = all.cross
--- 12,19 ----
  RANLIB_TEST = $(RANLIB_TEST_FOR_TARGET)
  
  # Dir to search for system headers.  Normally /usr/include.
! # Use CROSS_INCLUDE_DIR not TOOL_INCLUDE_DIR for other vendor's headers.
! SYSTEM_HEADER_DIR = $(tooldir)/sys-include
  
  # Don't try to compile the things we can't compile.
  ALL = all.cross
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