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patches/gcc/4.4.3/410-libgcc_eh.a.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Jul 17 22:46:47 2011 +0200 (2011-07-17)
changeset 2892 aa934ec4b4ee
permissions -rw-r--r--
cc/gcc: add the backend/frontend infra for final gcc

Currently, we issue the bare-metal compiler from the pass_1 & pass_2
core compilers, because the final gcc breaks while doing so.

This implies we have to build some libces during the start_files step,
instead of the standard libc step. This is the case for newlib.

By adding a backend/frontend infra to the final gcc, we can abstract
what backend to call: the standard backend for non-bare-metal gcc,
and the core backend for bare-metal.

This patch is just an no-op, it just adds the final backend and
frontend without changing the way bare-metal is built, to come in a
subsequent patch.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> 
     1 Highly inspired by:

     2   http://landley.net/hg/aboriginal/file/7e0747a665ab/sources/patches/gcc-core-libgcceh.patch

     3 

     4 diff -durN gcc-4.4.0.orig/libgcc/Makefile.in gcc-4.4.0/libgcc/Makefile.in

     5 --- gcc-4.4.0.orig/libgcc/Makefile.in	2009-04-10 01:23:07.000000000 +0200

     6 +++ gcc-4.4.0/libgcc/Makefile.in	2011-09-12 17:05:25.121124559 +0200

     7 @@ -754,8 +754,9 @@

     8  libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT)

     9  endif

    10  

    11 +all: libgcc_eh.a

    12  ifeq ($(enable_shared),yes)

    13 -all: libgcc_eh.a libgcc_s$(SHLIB_EXT)

    14 +all: libgcc_s$(SHLIB_EXT)

    15  ifneq ($(LIBUNWIND),)

    16  all: libunwind$(SHLIB_EXT)

    17  endif

    18 @@ -924,10 +925,6 @@

    19  install-shared:

    20  	$(mkinstalldirs) $(DESTDIR)$(inst_libdir)

    21  

    22 -	$(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/

    23 -	chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a

    24 -	$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a

    25 -

    26  	$(subst @multilib_dir@,$(MULTIDIR),$(subst \

    27  		@shlib_base_name@,libgcc_s,$(subst \

    28  		@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))

    29 @@ -942,6 +939,10 @@

    30  	chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a

    31  	$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a

    32  

    33 +	$(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/

    34 +	chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a

    35 +	$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a

    36 +

    37  	parts="$(INSTALL_PARTS)";				\

    38  	for file in $$parts; do					\

    39  	  rm -f $(DESTDIR)$(inst_libdir)/$$file;		\
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