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https://github.com/SebastianWendel/nixpkgs.git
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de28bd4832
On most distros, these are just built and distributed as part of binutils. We don't use binutils across the board, however, but rather switch between binutils and a cctools-binutils mashup, and change the outputs on binutils too. This creates a combinatorial conditional soup which is hard to maintain. My hope is to lower the the state space. While my patch isn't the most maintainable, they make downstream packages become more maintainable to compensate. The additional derivations themselves are completely platform-agnostic, always they always supports all possible target platforms, and always yield "out" and "dev" outputs. That, in turn, allows downstream packages to not worry about a dependency shape-shifting under them. In fact, the actual binutils package can avoid needing multiple outputs now that these serve the requisite libraries, so that also can become simpler on all platforms, too, removing the original wart this PR circumnavigates for now. Actually changing the binutils package to leverage is a mass rebuild, however, so I'll leave that for a separate PR. I do hope to upstream something like my patch too, but until then I'll make myself maintainer of these derivations
179 lines
6.2 KiB
Diff
179 lines
6.2 KiB
Diff
From bc09a9236f67e710d545ac11bcdac7b55dbcc1a0 Mon Sep 17 00:00:00 2001
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From: John Ericson <John.Ericson@Obsidian.Systems>
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Date: Thu, 12 Oct 2017 11:16:57 -0400
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Subject: [PATCH] Build components separately
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---
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bfd/configure.ac | 18 +++---------------
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opcodes/Makefile.am | 17 +++++++++++++----
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opcodes/configure.ac | 45 ++++++---------------------------------------
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3 files changed, 22 insertions(+), 58 deletions(-)
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diff --git a/bfd/configure.ac b/bfd/configure.ac
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index 9a183c1628..8728837384 100644
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--- a/bfd/configure.ac
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+++ b/bfd/configure.ac
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@@ -241,31 +241,19 @@ AC_CACHE_CHECK(linker --as-needed support, bfd_cv_ld_as_needed,
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LT_LIB_M
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-# When building a shared libbfd, link against the pic version of libiberty
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-# so that apps that use libbfd won't need libiberty just to satisfy any
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-# libbfd references.
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-# We can't do that if a pic libiberty is unavailable since including non-pic
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-# code would insert text relocations into libbfd.
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SHARED_LIBADD=
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-SHARED_LDFLAGS=
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+SHARED_LDFLAGS=-liberty
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if test "$enable_shared" = "yes"; then
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-changequote(,)dnl
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- x=`sed -n -e 's/^[ ]*PICFLAG[ ]*=[ ]*//p' < ../libiberty/Makefile | sed -n '$p'`
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-changequote([,])dnl
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- if test -n "$x"; then
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- SHARED_LIBADD="-L`pwd`/../libiberty/pic -liberty"
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- fi
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-
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# More hacks to build DLLs on Windows.
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case "${host}" in
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*-*-cygwin*)
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SHARED_LDFLAGS="-no-undefined"
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- SHARED_LIBADD="-L`pwd`/../libiberty -liberty -L`pwd`/../intl -lintl -lcygwin -lkernel32"
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+ SHARED_LIBADD="-liberty -lintl -lcygwin -lkernel32"
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;;
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# Hack to build or1k-src on OSX
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or1k*-*-darwin*)
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- SHARED_LIBADD="-L`pwd`/../libiberty/pic -L`pwd`/../intl -liberty -lintl"
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+ SHARED_LIBADD="-liberty -lintl"
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;;
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esac
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diff --git a/opcodes/Makefile.am b/opcodes/Makefile.am
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index 925e7ff651..47b395c195 100644
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--- a/opcodes/Makefile.am
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+++ b/opcodes/Makefile.am
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@@ -52,7 +52,7 @@ libopcodes_la_LDFLAGS += -rpath $(rpath_bfdlibdir)
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endif
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# This is where bfd.h lives.
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-BFD_H = ../bfd/bfd.h
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+BFD_H = $(BFDDIR)/bfd.h
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BUILD_LIBS = @BUILD_LIBS@
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BUILD_LIB_DEPS = @BUILD_LIB_DEPS@
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@@ -303,7 +303,7 @@ OFILES = @BFD_MACHINES@
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# development.sh is used to determine -Werror default.
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CONFIG_STATUS_DEPENDENCIES = $(BFDDIR)/development.sh
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-AM_CPPFLAGS = -I. -I$(srcdir) -I../bfd -I$(INCDIR) -I$(BFDDIR) @HDEFINES@ @INCINTL@
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+AM_CPPFLAGS = -I. -I$(srcdir) -I$(INCDIR) -I$(BFDDIR) @HDEFINES@ @INCINTL@
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disassemble.lo: disassemble.c
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if am__fastdepCC
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@@ -324,12 +324,21 @@ libopcodes_la_SOURCES = dis-buf.c disassemble.c dis-init.c
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# old version of libbfd, or to pick up libbfd for the wrong architecture
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# if host != build. So for building with shared libraries we use a
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# hardcoded path to libbfd.so instead of relying on the entries in libbfd.la.
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-libopcodes_la_DEPENDENCIES = $(OFILES) @SHARED_DEPENDENCIES@
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+libopcodes_la_DEPENDENCIES = $(OFILES) @SHARED_DEPENDENCIES@ libtool-soversion
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libopcodes_la_LIBADD = $(OFILES) @SHARED_LIBADD@
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-libopcodes_la_LDFLAGS += -release `cat ../bfd/libtool-soversion` @SHARED_LDFLAGS@
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+libopcodes_la_LDFLAGS += -release `cat libtool-soversion` @SHARED_LDFLAGS@
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# Allow dependency tracking to work on all the source files.
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EXTRA_libopcodes_la_SOURCES = $(LIBOPCODES_CFILES)
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+libtool-soversion:
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+ @echo "creating $@"
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+ bfd_soversion="$(VERSION)" ;\
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+ . $(BFDDIR)/development.sh ;\
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+ if test "$$development" = true ; then \
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+ bfd_soversion="$(VERSION).$${bfd_version_date}" ;\
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+ fi ;\
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+ echo "$${bfd_soversion}" > $@
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+
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# libtool will build .libs/libopcodes.a. We create libopcodes.a in
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# the build directory so that we don't have to convert all the
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# programs that use libopcodes.a simultaneously. This is a hack which
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diff --git a/opcodes/configure.ac b/opcodes/configure.ac
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index b9f5eb8a4f..ef2c2152b7 100644
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--- a/opcodes/configure.ac
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+++ b/opcodes/configure.ac
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@@ -89,6 +89,7 @@ AC_PROG_INSTALL
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AC_CHECK_HEADERS(string.h strings.h stdlib.h limits.h)
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ACX_HEADER_STRING
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+GCC_HEADER_STDINT(bfd_stdint.h)
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AC_CHECK_DECLS([basename, stpcpy])
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@@ -134,61 +135,27 @@ AC_CACHE_CHECK(linker --as-needed support, bfd_cv_ld_as_needed,
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LT_LIB_M
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-#Libs for generator progs
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-if test "x$cross_compiling" = "xno"; then
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- BUILD_LIBS=../libiberty/libiberty.a
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- BUILD_LIB_DEPS=$BUILD_LIBS
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-else
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- # if cross-compiling, assume that the system provides -liberty
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- # and that the version is compatible with new headers.
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- BUILD_LIBS=-liberty
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- BUILD_LIB_DEPS=
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-fi
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-BUILD_LIBS="$BUILD_LIBS $LIBINTL"
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-BUILD_LIB_DEPS="$BUILD_LIB_DEPS $LIBINTL_DEP"
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+BUILD_LIBS="-liberty $LIBINTL"
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+BUILD_LIB_DEPS="$LIBINTL_DEP"
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AC_SUBST(BUILD_LIBS)
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AC_SUBST(BUILD_LIB_DEPS)
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# Horrible hacks to build DLLs on Windows and a shared library elsewhere.
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SHARED_LDFLAGS=
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-SHARED_LIBADD=
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+SHARED_LIBADD=-liberty
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SHARED_DEPENDENCIES=
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if test "$enable_shared" = "yes"; then
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-# When building a shared libopcodes, link against the pic version of libiberty
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-# so that apps that use libopcodes won't need libiberty just to satisfy any
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-# libopcodes references.
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-# We can't do that if a pic libiberty is unavailable since including non-pic
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-# code would insert text relocations into libopcodes.
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# Note that linking against libbfd as we do here, which is itself linked
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# against libiberty, may not satisfy all the libopcodes libiberty references
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# since libbfd may not pull in the entirety of libiberty.
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-changequote(,)dnl
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- x=`sed -n -e 's/^[ ]*PICFLAG[ ]*=[ ]*//p' < ../libiberty/Makefile | sed -n '$p'`
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-changequote([,])dnl
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- if test -n "$x"; then
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- SHARED_LIBADD="-L`pwd`/../libiberty/pic -liberty"
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- fi
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-
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case "${host}" in
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*-*-cygwin*)
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SHARED_LDFLAGS="-no-undefined"
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- SHARED_LIBADD="-L`pwd`/../bfd -lbfd -L`pwd`/../libiberty -liberty -L`pwd`/../intl -lintl -lcygwin"
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+ SHARED_LIBADD="-lbfd -liberty -lintl -lcygwin"
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;;
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- *-*-darwin*)
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- SHARED_LIBADD="-Wl,`pwd`/../bfd/.libs/libbfd.dylib ${SHARED_LIBADD}"
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- SHARED_DEPENDENCIES="../bfd/libbfd.la"
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- ;;
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*)
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- case "$host_vendor" in
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- hp)
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- SHARED_LIBADD="-Wl,`pwd`/../bfd/.libs/libbfd.sl ${SHARED_LIBADD}"
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- ;;
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- *)
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- SHARED_LIBADD="-Wl,`pwd`/../bfd/.libs/libbfd.so ${SHARED_LIBADD}"
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- ;;
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- esac
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- SHARED_DEPENDENCIES="../bfd/libbfd.la"
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+ SHARED_LIBADD="-lbfd ${SHARED_LIBADD}"
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;;
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esac
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--
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2.14.2
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