* Fix for a locking bug in Berkeley DB on Cygwin.
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3
externals/Makefile.am
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3
externals/Makefile.am
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@ -11,6 +11,7 @@ $(DB).tar.gz:
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$(DB): $(DB).tar.gz
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gunzip < $(srcdir)/$(DB).tar.gz | tar xvf -
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cd $(DB) && patch -p1 < $(srcdir)/bdb-cygwin.patch
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have-db:
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$(MAKE) $(DB)
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@ -100,7 +101,7 @@ endif
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all: build-db build-aterm build-bzip2
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EXTRA_DIST = $(DB).tar.gz $(ATERM).tar.gz $(BZIP2).tar.gz
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EXTRA_DIST = $(DB).tar.gz $(ATERM).tar.gz $(BZIP2).tar.gz bdb-cygwin.patch
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ext-clean:
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$(RM) -f have-db build-db have-aterm build-aterm
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21
externals/bdb-cygwin.patch
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21
externals/bdb-cygwin.patch
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@ -0,0 +1,21 @@
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diff -rc db-4.4.20.NC-old/os/os_flock.c db-4.4.20.NC/os/os_flock.c
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*** db-4.4.20.NC-old/os/os_flock.c Mon Jun 20 16:59:01 2005
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--- db-4.4.20.NC/os/os_flock.c Wed Jun 7 17:01:49 2006
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***************
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*** 36,41 ****
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--- 36,50 ----
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DB_ASSERT(F_ISSET(fhp, DB_FH_OPENED) && fhp->fd != -1);
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+ #ifdef __CYGWIN__
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+ /*
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+ * Windows file locking interferes with read/write operations, so we
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+ * map the ranges to an area past the end of the file.
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+ */
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+ DB_ASSERT(offset < (off_t) 1 << 62);
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+ offset += (off_t) 1 << 62;
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+ #endif
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+
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#ifdef HAVE_FCNTL
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fl.l_start = offset;
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fl.l_len = 1;
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