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685b7a7a1b
094772656d71b3f5022ae292094e878da035de9e build: support LTO in depends (fanquake)
Pull request description:
This adds an `LTO` option to depends, i.e `make -C depends LTO=1`, which passes `-flto` when building packages (not currently qt), and automatically configures with `--enable-lto` when doing a build using a `CONFIG_SITE`.
The following tables comapres the size (in bytes) of the stripped `x86_64` Linux binaries produced with master and this PR (full depends build):
| Binary | stripped master | stripped LTO=1 | saving |
| -------- | ----------------: | -------------: | --------: |
| bitcoin-cli | 1178632 | 469872 | 60% |
| bitcoin-tx | 2710584 | 1866504 | 31% |
| bitcoin-util | 952880 | 240104 | 74% |
| bitcoin-wallet | 7992888 | 5365984 | 32% |
| bitcoind | 13421336 | 11868592 | 12% |
| bitcoin-qt | 37680496 | 31640976 | 16% |
ACKs for top commit:
laanwj:
Tested ACK 094772656d71b3f5022ae292094e878da035de9e
Tree-SHA512: 6b8483ea490e57a153105ad8c38b25fb1af5d55b1af22db398c7c2573612aaf71b4d2b4cf09c18fd6331b1358dba01641eeaa03e5018a925392e1937118d984a
138 lines
3.3 KiB
Plaintext
138 lines
3.3 KiB
Plaintext
# shellcheck shell=sh disable=SC2034 # Many variables set will be used in
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# ./configure but shellcheck doesn't know
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# that, hence: disable=SC2034
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true # Dummy command because shellcheck treats all directives before first
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# command as file-wide, and we only want to disable for one line.
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#
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# See: https://github.com/koalaman/shellcheck/wiki/Directive
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# shellcheck disable=SC2154
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depends_prefix="$(cd "$(dirname "$ac_site_file")/.." && pwd)"
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cross_compiling=maybe
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host_alias="@HOST@"
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ac_tool_prefix="${host_alias}-"
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if test -z "$with_boost"; then
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with_boost="$depends_prefix"
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fi
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if test -z "$with_qt_plugindir"; then
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with_qt_plugindir="${depends_prefix}/plugins"
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fi
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if test -z "$with_qt_translationdir"; then
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with_qt_translationdir="${depends_prefix}/translations"
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fi
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if test -z "$with_qt_bindir" && test -z "@no_qt@"; then
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with_qt_bindir="${depends_prefix}/native/bin"
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fi
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if test -z "$with_mpgen" && test -n "@multiprocess@"; then
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with_mpgen="${depends_prefix}/native"
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fi
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if test -z "$with_qrencode" && test -n "@no_qr@"; then
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with_qrencode=no
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fi
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if test -z "$enable_wallet" && test -n "@no_wallet@"; then
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enable_wallet=no
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fi
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if test -z "$with_bdb" && test -n "@no_bdb@"; then
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with_bdb=no
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fi
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if test -z "$with_sqlite" && test -n "@no_sqlite@"; then
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with_sqlite=no
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fi
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if test -z "$enable_multiprocess" && test -n "@multiprocess@"; then
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enable_multiprocess=yes
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fi
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if test -z "$with_miniupnpc" && test -n "@no_upnp@"; then
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with_miniupnpc=no
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fi
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if test -z "$with_natpmp" && test -n "@no_natpmp@"; then
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with_natpmp=no
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fi
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if test -z "$with_gui" && test -n "@no_qt@"; then
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with_gui=no
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fi
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if test -n "@debug@" && test -z "@no_qt@" && test "x$with_gui" != xno; then
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with_gui=qt5_debug
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fi
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if test -z "$enable_zmq" && test -n "@no_zmq@"; then
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enable_zmq=no
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fi
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if test -z "$enable_usdt" && test -n "@no_usdt@"; then
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enable_usdt=no
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fi
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if test "@host_os@" = darwin; then
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BREW=no
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fi
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if test -z "$enable_lto" && test -n "@lto@"; then
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enable_lto=yes
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fi
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PATH="${depends_prefix}/native/bin:${PATH}"
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PKG_CONFIG="$(which pkg-config) --static"
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# These two need to remain exported because pkg-config does not see them
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# otherwise. That means they must be unexported at the end of configure.ac to
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# avoid ruining the cache. Sigh.
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export PKG_CONFIG_PATH="${depends_prefix}/share/pkgconfig:${depends_prefix}/lib/pkgconfig"
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if test -z "@allow_host_packages@"; then
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export PKG_CONFIG_LIBDIR="${depends_prefix}/lib/pkgconfig"
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fi
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CPPFLAGS="-I${depends_prefix}/include/ ${CPPFLAGS}"
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LDFLAGS="-L${depends_prefix}/lib ${LDFLAGS}"
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if test -n "@CC@" -a -z "${CC}"; then
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CC="@CC@"
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fi
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if test -n "@CXX@" -a -z "${CXX}"; then
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CXX="@CXX@"
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fi
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PYTHONPATH="${depends_prefix}/native/lib/python3/dist-packages${PYTHONPATH:+${PATH_SEPARATOR}}${PYTHONPATH}"
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if test -n "@AR@"; then
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AR="@AR@"
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ac_cv_path_ac_pt_AR="${AR}"
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fi
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if test -n "@RANLIB@"; then
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RANLIB="@RANLIB@"
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ac_cv_path_ac_pt_RANLIB="${RANLIB}"
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fi
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if test -n "@NM@"; then
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NM="@NM@"
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ac_cv_path_ac_pt_NM="${NM}"
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fi
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if test -n "@debug@"; then
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enable_reduce_exports=no
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fi
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if test -n "@CFLAGS@"; then
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CFLAGS="@CFLAGS@ ${CFLAGS}"
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fi
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if test -n "@CXXFLAGS@"; then
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CXXFLAGS="@CXXFLAGS@ ${CXXFLAGS}"
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fi
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if test -n "@CPPFLAGS@"; then
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CPPFLAGS="@CPPFLAGS@ ${CPPFLAGS}"
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fi
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if test -n "@LDFLAGS@"; then
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LDFLAGS="@LDFLAGS@ ${LDFLAGS}"
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fi
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