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291a957745
linking both executables and shared libraries, and we add on LDFLAGS_EX when linking executables or LDFLAGS_SL when linking shared libraries. This provides a significantly cleaner way of dealing with link-time switches than the former behavior. Also, make sure that the various platform-specific %.so: %.o rules incorporate LDFLAGS and LDFLAGS_SL; most of them missed that before. (I did not add these variables for the platforms that invoke $(LD) directly, however. It's not clear if we can do that safely, since for the most part we assume these variables use CC command-line syntax.) Per gripe from Aaron Swenson and subsequent investigation.
32 lines
590 B
Makefile
32 lines
590 B
Makefile
AROPT = cr
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ifdef ELF_SYSTEM
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export_dynamic = -Wl,-E
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rpath = -Wl,-R'$(rpathdir)'
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else
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rpath = -Wl,-R'$(rpathdir)'
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endif
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DLSUFFIX = .so
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ifeq ($(findstring sparc,$(host_cpu)), sparc)
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CFLAGS_SL = -fPIC -DPIC
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else
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CFLAGS_SL = -fpic -DPIC
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endif
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# Rule for building a shared library from a single .o file
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%.so: %.o
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ifdef ELF_SYSTEM
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$(CC) $(CFLAGS) $(LDFLAGS) $(LDFLAGS_SL) -shared -o $@ $<
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else
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$(LD) $(LDREL) $(LDOUT) $<.obj -x $<
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@echo building shared object $@
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@rm -f $@.pic
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@${AR} cq $@.pic $<.obj
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${RANLIB} $@.pic
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@rm -f $@
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$(LD) -x -Bshareable -Bforcearchive -o $@ $@.pic
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endif
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