- allow override flags.

[packages/crossmingw32-gcc.git] / gcc-pld-linux.patch

diff -urN gcc-2.95.3.test1.org/gcc/Makefile.in gcc-2.95.3.test1/gcc/Makefile.in
--- gcc-2.95.3.test1.org/gcc/Makefile.in	Wed Jan  3 20:34:29 2001
+++ gcc-2.95.3.test1/gcc/Makefile.in	Wed Jan  3 20:37:33 2001
@@ -368,6 +368,9 @@
 # libgcc1-test target (must also be overridable for a target)
 LIBGCC1_TEST = libgcc1-test
 
+# The libgcc symbol versioning map.
+LIBGCC_MAP=
+
 # List of extra executables that should be compiled for this target machine
 # that are used for compiling from source code to object code.
 # The rules for compiling them should be in the t-* file for the machine.
@@ -838,14 +841,14 @@
 # Note that we can compile enquire using the cross-compiler just built,
 # although we can't run it on this machine.
 all.cross: native gcc-cross specs stmp-headers $(STMP_FIXPROTO) $(LIBGCC) \
-	$(LIBGCC1_TEST) $(EXTRA_PARTS) lang.all.cross doc
+	$(LIBGCC_MAP) $(LIBGCC1_TEST) $(EXTRA_PARTS) lang.all.cross doc
 # This is what to compile if making gcc with a cross-compiler.
 all.build: native xgcc$(exeext) cpp$(exeext) $(EXTRA_PARTS) lang.all.build
 # This is what must be made before installing GCC and converting libraries.
 start.encap: native xgcc$(exeext) cpp$(exeext) specs $(LIBGCC1) \
 	xlimits.h lang.start.encap
 # These can't be made until after GCC can run.
-rest.encap: stmp-headers $(STMP_FIXPROTO) $(LIBGCC) $(EXTRA_PARTS) lang.rest.encap
+rest.encap: stmp-headers $(STMP_FIXPROTO) $(LIBGCC) $(LIBGCC_MAP) $(EXTRA_PARTS) lang.rest.encap
 # This is what is made with the host's compiler
 # whether making a cross compiler or not.
 native: config.status auto-host.h intl.all $(LANGUAGES) \
@@ -860,7 +863,7 @@
 
 # On the target machine, finish building a cross compiler.
 # This does the things that can't be done on the host machine.
-rest.cross: $(LIBGCC) specs
+rest.cross: $(LIBGCC) $(LIBGCC_MAP) specs
 
 # Verify that it works to compile and link libgcc1-test.
 # If it does, then there are sufficient replacements for libgcc1.a.
@@ -2353,7 +2356,7 @@
 # Using unprotoize.c is not quite right in the first place, 
 # but what better way is there?
 	-rm -f libgcc.a libgcc1.a libgcc1-asm.a libgcc2.a libgcc2.ready
-	-rm -f libgcc1.null
+	-rm -f libgcc1.null libgcc.map
 	-rm -f *.dvi
 	-rm -f */*.dvi
 	-if [ -f md.pre-cpp ]; then \
@@ -2526,6 +2529,12 @@
 	  $(INSTALL_DATA) specs $(libsubdir)/specs; \
 	  chmod a-x $(libsubdir)/specs; \
 	fi
+# Install libgcc.map if it exists.
+	-if [ -n "$(LIBGCC_MAP)" -a -f libgcc.map ] ; then \
+	  rm -f $(libsubdir)/libgcc.map; \
+	  $(INSTALL_DATA) libgcc.map $(libsubdir)/libgcc.map; \
+	  chmod a-x $(libsubdir)/libgcc.map; \
+	fi
 # Install protoize if it was compiled.
 	-if [ -f protoize$(exeext) ]; \
 	then \
@@ -3032,7 +3041,10 @@
 	 do \
 	   if [ -d stage1/$$dir ] ; then true ; else mkdir stage1/$$dir ; fi ; \
 	 done
-	-mv $(STAGESTUFF) stage1
+	-for i in $(STAGESTUFF) ; \
+	 do \
+	   mv $$i stage1 ; \
+	 done
 	-mv intl/*$(objext) stage1/intl
 # Copy as/ld if they exist to stage dir, so that running xgcc from the stage
 # dir will work properly.
@@ -3041,6 +3053,10 @@
 	-if [ -f collect-ld$(exeext) ] ; then $(LN_S) ../collect-ld$(exeext) stage1 ; else true ; fi
 	-rm -f stage1/libgcc.a
 	-cp libgcc.a stage1
+	-if [ -n "$(LIBGCC_MAP)" -a -f libgcc.map ] ; then \
+	  rm -f stage1/libgcc.map; \
+	  cp libgcc.map stage1; \
+	fi
 	-if $(RANLIB_TEST_FOR_TARGET) ; then \
 	  $(RANLIB_FOR_TARGET) stage1/libgcc.a; \
 	else true; fi
@@ -3056,7 +3072,10 @@
 	 do \
 	   if [ -d stage2/$$dir ] ; then true ; else mkdir stage2/$$dir ; fi ; \
 	 done
-	-mv $(STAGESTUFF) stage2
+	-for i in $(STAGESTUFF) ; \
+	 do \
+	   mv $$i stage2 ; \
+	 done
 	-mv intl/*$(objext) stage2/intl
 # Copy as/ld if they exist to stage dir, so that running xgcc from the stage
 # dir will work properly.
@@ -3065,6 +3084,10 @@
 	-if [ -f collect-ld ] ; then $(LN_S) ../collect-ld$(exeext) stage2 ; else true ; fi
 	-rm -f stage2/libgcc.a
 	-cp libgcc.a stage2
+	-if [ -n "$(LIBGCC_MAP)" -a -f libgcc.map ] ; then \
+	  rm -f stage2/libgcc.map; \
+	  cp libgcc.map stage2; \
+	fi
 	-if $(RANLIB_TEST_FOR_TARGET) ; then \
 	  $(RANLIB_FOR_TARGET) stage2/libgcc.a; \
 	else true; fi
@@ -3080,7 +3103,10 @@
 	 do \
 	   if [ -d stage3/$$dir ] ; then true ; else mkdir stage3/$$dir ; fi ; \
 	 done
-	-mv $(STAGESTUFF) stage3
+	-for i in $(STAGESTUFF) ; \
+	 do \
+	   mv $$i stage3 ; \
+	 done
 	-mv intl/*$(objext) stage3/intl
 # Copy as/ld if they exist to stage dir, so that running xgcc from the stage
 # dir will work properly.
@@ -3089,6 +3115,10 @@
 	-if [ -f collect-ld$(exeext) ] ; then $(LN_S) ../collect-ld$(exeext) stage3 ; else true ; fi
 	-rm -f stage3/libgcc.a
 	-cp libgcc.a stage3
+	-if [ -n "$(LIBGCC_MAP)" -a -f libgcc.map ] ; then \
+	  rm -f stage3/libgcc.map; \
+	  cp libgcc.map stage3; \
+	fi
 	-if $(RANLIB_TEST_FOR_TARGET) ; then \
 	  $(RANLIB_FOR_TARGET) stage3/libgcc.a; \
 	else true; fi
@@ -3104,7 +3134,10 @@
 	 do \
 	   if [ -d stage4/$$dir ] ; then true ; else mkdir stage4/$$dir ; fi ; \
 	 done
-	-mv $(STAGESTUFF) stage4
+	-for i in $(STAGESTUFF) ; \
+	 do \
+	   mv $$i stage4 ; \
+	 done
 	-mv intl/*$(objext) stage4/intl
 # Copy as/ld if they exist to stage dir, so that running xgcc from the stage
 # dir will work properly.
@@ -3113,6 +3146,10 @@
 	-if [ -f collect-ld$(exeext) ] ; then $(LN_S) ../collect-ld$(exeext) stage4 ; else true ; fi
 	-rm -f stage4/libgcc.a
 	-cp libgcc.a stage4
+	-if [ -n "$(LIBGCC_MAP)" -a -f libgcc.map ] ; then \
+	  rm -f stage4/libgcc.map; \
+	  cp libgcc.map stage4; \
+	fi
 	-if $(RANLIB_TEST_FOR_TARGET) ; then \
 	  $(RANLIB_FOR_TARGET) stage4/libgcc.a; \
 	else true; fi
@@ -3196,3 +3233,9 @@
 	echo "#endif" >> t-float.h-cross
 	mv t-float.h-cross float.h-cross
 
+# Rule to generate the libgcc symbol versioning map.
+libgcc.map:
+	echo "GCC.INTERNAL {" > $@
+	echo "  local:" >> $@
+	$(EXTRACT_LIBGCC) >> $@
+	echo "};" >> $@
diff -urN gcc-2.95.3.test1.org/gcc/config/i386/i386.md gcc-2.95.3.test1/gcc/config/i386/i386.md
--- gcc-2.95.3.test1.org/gcc/config/i386/i386.md	Wed Jan  3 20:34:36 2001
+++ gcc-2.95.3.test1/gcc/config/i386/i386.md	Wed Jan  3 20:35:21 2001
@@ -1345,7 +1345,8 @@
   else if ((reload_in_progress | reload_completed) == 0
 	   && GET_CODE (operands[0]) != MEM
 	   && GET_CODE (operands[1]) == CONST_DOUBLE
-	   && !standard_80387_constant_p (operands[1]))
+           && ((flag_pic && flag_omit_frame_pointer)
+               || ! standard_80387_constant_p (operands[1])))
     {
       operands[1] = validize_mem (force_const_mem (SFmode, operands[1]));
     }
@@ -1473,7 +1474,8 @@
   else if ((reload_in_progress | reload_completed) == 0
 	   && GET_CODE (operands[0]) != MEM
 	   && GET_CODE (operands[1]) == CONST_DOUBLE
-	   && !standard_80387_constant_p (operands[1]))
+           && ((flag_pic && flag_omit_frame_pointer)
+              || ! standard_80387_constant_p (operands[1])))
     {
       operands[1] = validize_mem (force_const_mem (DFmode, operands[1]));
     }
@@ -1601,7 +1603,8 @@
   else if ((reload_in_progress | reload_completed) == 0
 	   && GET_CODE (operands[0]) != MEM
 	   && GET_CODE (operands[1]) == CONST_DOUBLE
-	   && !standard_80387_constant_p (operands[1]))
+           && ((flag_pic && flag_omit_frame_pointer)
+               || ! standard_80387_constant_p (operands[1])))
     {
       operands[1] = validize_mem (force_const_mem (XFmode, operands[1]));
     }
diff -urN gcc-2.95.3.test1.org/gcc/config/linux.h gcc-2.95.3.test1/gcc/config/linux.h
--- gcc-2.95.3.test1.org/gcc/config/linux.h	Wed Jan  3 20:34:33 2001
+++ gcc-2.95.3.test1/gcc/config/linux.h	Wed Jan  3 20:35:22 2001
@@ -103,7 +103,7 @@
      %{!profile:%{!ggdb:-lc} %{ggdb:-lg}}}"
 #else
 #define LIB_SPEC \
-  "%{shared: -lc} \
+  "%{shared: -lc --version-script libgcc.map%s} \
    %{!shared: %{mieee-fp:-lieee} %{pthread:-lpthread} \
 	%{profile:-lc_p} %{!profile: -lc}}"
 #endif
diff -urN gcc-2.95.3.test1.org/gcc/config/t-linux gcc-2.95.3.test1/gcc/config/t-linux
--- gcc-2.95.3.test1.org/gcc/config/t-linux	Wed Jan  3 20:34:33 2001
+++ gcc-2.95.3.test1/gcc/config/t-linux	Wed Jan  3 20:35:22 2001
@@ -14,3 +14,17 @@
 LIBGCC1 = 
 CROSS_LIBGCC1 =
 LIBGCC1_TEST =
+
+# Make glocal functions in libgcc.a local to the shared library with
+# symbol versioning.
+LIBGCC_MAP=libgcc.map
+# This list has to be maintained manually. It should cover the libgcc
+# functions, which can be safely made local to a shared library, on
+# all Linux platforms.
+LIBGCC_MAP_LIST=__ashldi3 __ashrdi3 __builtin_saveregs __clear_cache \
+  __cmpdi2 __divdi3 __dummy __eprintf __ffsdi2 __fixdfdi __fixsfdi \
+  __fixunsdfdi __fixunsdfsi __fixunssfdi __fixunssfsi __fixunsxfdi \
+  __fixunsxfsi __fixxfdi __floatdidf __floatdisf __floatdixf \
+  __gcc_bcmp __lshrdi3 __moddi3 __muldi3 __negdi2 __pure_virtual \
+  __ucmpdi2 __udiv_w_sdiv __udivdi3 __udivmoddi4 __umoddi3
+EXTRACT_LIBGCC=for s in $(LIBGCC_MAP_LIST); do echo "    $$s;"; done
diff -urN gcc-2.95.3.test1.org/gcc/f/Make-lang.in gcc-2.95.3.test1/gcc/f/Make-lang.in
--- gcc-2.95.3.test1.org/gcc/f/Make-lang.in	Wed Jan  3 20:34:42 2001
+++ gcc-2.95.3.test1/gcc/f/Make-lang.in	Wed Jan  3 20:35:22 2001
@@ -212,7 +212,7 @@
 
 f77.all.build: g77$(exeext)
 f77.all.cross: g77-cross$(exeext)
-f77.start.encap: g77$(exeext)
+f77.start.encap: g77$(exeext)  $(srcdir)/f/intdoc.texi
 f77.rest.encap:
 
 f77.info: f/g77.info
diff -urN gcc-2.95.3.test1.org/libf2c/Makefile.in gcc-2.95.3.test1/libf2c/Makefile.in
--- gcc-2.95.3.test1.org/libf2c/Makefile.in	Wed Jan  3 20:34:47 2001
+++ gcc-2.95.3.test1/libf2c/Makefile.in	Wed Jan  3 20:35:22 2001
@@ -61,18 +61,18 @@
 # Quote this way so that it can be used to set shell variables too.
 # Currently no use for PICFLAG, RUNTESTFLAGS -- check usage.
 FLAGS_TO_PASS= \
-	CC='$(CC)' \
-	CFLAGS='$(CFLAGS)' \
-	CPPFLAGS='$(CPPFLAGS)' \
-	AR='$(AR)' \
-	RANLIB='$(RANLIB)' \
-	PICFLAG='$(PICFLAG)' \
-	RUNTESTFLAGS='$(RUNTESTFLAGS)' \
-	prefix='$(prefix)' \
-	exec_prefix='$(exec_prefix)' \
-	libdir='$(libdir)' \
-	libsubdir='$(libsubdir)' \
-	tooldir='$(tooldir)'
+	"CC=$(CC)" \
+	"CFLAGS=$(CFLAGS)" \
+	"CPPFLAGS=$(CPPFLAGS)" \
+	"AR=$(AR)" \
+	"RANLIB=$(RANLIB)" \
+	"PICFLAG=$(PICFLAG)" \
+	"RUNTESTFLAGS=$(RUNTESTFLAGS)" \
+	"prefix=$(prefix)" \
+	"exec_prefix=$(exec_prefix)" \
+	"libdir=$(libdir)" \
+	"libsubdir=$(libsubdir)" \
+	"tooldir=$(tooldir)"
 
 LIBG2C = libg2c.a