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(libgcc1-asm.a): New target for building libgcc1.a in cross compilers.

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From-SVN: r7724
This commit is contained in:
Doug Evans 1994-07-11 22:36:14 +00:00
parent 012a47cb77
commit 44d65d8450
1 changed files with 26 additions and 0 deletions
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26
gcc/Makefile.in
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@ -740,6 +740,32 @@ libgcc1.a: libgcc1.c $(CONFIG_H) $(LIB1FUNCS_EXTRA) config.status
done
mv tmplibgcc1.a libgcc1.a
# Build libgcc1.a from assembler source. LIB1ASMFUNCS is the list of
# functions. LIB1ASMSRC is the name of the source file in the config
# subdirectory.
libgcc1-asm.a: libgcc2.ready config.status $(srcdir)/config/$(LIB1ASMSRC)
-rm -f tmplibgcc1.a libgcc1.S
cp $(srcdir)/config/$(LIB1ASMSRC) libgcc1.S
# Actually build it in tmplibgcc1.a, then rename at end,
# so that libgcc1-asm.a itself remains nonexistent if compilation is aborted.
# -e causes any failing command to make this rule fail.
# -e doesn't work in certain shells, so we test $$? as well.
# lynx has a broken ar, it always complains when the initial library is
# empty, thus this command works only if we don't do -e
# There is a trailing backslash (\) deleted from the following line.
# set -e;
for name in $(LIB1ASMFUNCS); \
do \
echo $${name}; \
$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(INCLUDES) -c -DL$${name} libgcc1.S; \
if [ $$? -eq 0 ] ; then true; else exit 1; fi; \
mv libgcc1.o $${name}.o; \
$(AR) $(AR_FLAGS) tmplibgcc1.a $${name}.o; \
rm -f $${name}.o; \
done
-rm -f libgcc1.S
mv tmplibgcc1.a libgcc1-asm.a
# Compiling libgcc2.a requires making sure that cc1, etc. have been compiled.
# But recompiling cc1 should not force recompilation of libgcc2.a.
# If you want to force recompilation, delete libgcc2.a.