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Unlink static libraries before rebuilding them.

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When the library already exists in the build directory, "ar" preserves
members not named on its command line.  This mattered when, for example,
a "configure" rerun dropped a file from $(LIBOBJS).  libpgport carried
the obsolete member until "make clean".  Back-patch to 9.0 (all
supported versions).
This commit is contained in:
Noah Misch
2015-03-01 13:05:23 -05:00
parent 097fe194aa
commit 424793fa5d
3 changed files with 7 additions and 0 deletions
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2
src/port/Makefile
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@@ -51,6 +51,7 @@ uninstall:
rm -f '$(DESTDIR)$(libdir)/libpgport.a'
libpgport.a: $(OBJS)
rm -f $@
$(AR) $(AROPT) $@ $^
# thread.o needs PTHREAD_CFLAGS (but thread_srv.o does not)
@@ -61,6 +62,7 @@ thread.o: CFLAGS+=$(PTHREAD_CFLAGS)
#
libpgport_srv.a: $(OBJS_SRV)
rm -f $@
$(AR) $(AROPT) $@ $^
# Because this uses its own compilation rule, it doesn't use the