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merge bitcoin#23152: add --enable-lto configuration option

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Kittywhiskers Van Gogh 2021-10-01 12:37:03 +08:00
parent 4a46391791
commit b7db4cbab0
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GPG Key ID: 30CD0C065E5C4AAD
2 changed files with 17 additions and 4 deletions
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17
configure.ac
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@ -334,6 +334,11 @@ AC_ARG_WITH([boost-process],
[boost_process=$withval],
[boost_process=no])
AC_ARG_ENABLE([lto],
[AS_HELP_STRING([--enable-lto],[build using LTO (default is no)])],
[enable_lto=$enableval],
[enable_lto=no])
AC_LANG_PUSH([C++])
dnl Check for a flag to turn compiler warnings into errors. This is helpful for checks which may
@ -392,6 +397,11 @@ else
fi
fi
if test "x$enable_lto" = "xyes"; then
AX_CHECK_COMPILE_FLAG([-flto], [LTO_CXXFLAGS="$LTO_CXXFLAGS -flto"], [AC_MSG_ERROR([compile failed with -flto])], [$CXXFLAG_WERROR])
AX_CHECK_LINK_FLAG([-flto], [LTO_LDFLAGS="$LTO_LDFLAGS -flto"], [AC_MSG_ERROR([link failed with -flto])], [$CXXFLAG_WERROR])
fi
if test "x$enable_stacktraces" != xno; then
AC_CHECK_HEADERS([execinfo.h], [], [enable_stacktraces=no])
fi
@ -1886,6 +1896,8 @@ AC_SUBST(GPROF_LDFLAGS)
AC_SUBST(HARDENED_CXXFLAGS)
AC_SUBST(HARDENED_CPPFLAGS)
AC_SUBST(HARDENED_LDFLAGS)
AC_SUBST(LTO_CXXFLAGS)
AC_SUBST(LTO_LDFLAGS)
AC_SUBST(PIC_FLAGS)
AC_SUBST(PIE_FLAGS)
AC_SUBST(SANITIZER_CXXFLAGS)
@ -1985,6 +1997,7 @@ echo " crash hooks enabled = $enable_crashhooks"
echo " miner enabled = $enable_miner"
echo " gprof enabled = $enable_gprof"
echo " werror = $enable_werror"
echo " LTO = $enable_lto"
echo
echo " target os = $host_os"
echo " build os = $build_os"
@ -1993,7 +2006,7 @@ echo " CC = $CC"
echo " CFLAGS = $PTHREAD_CFLAGS $CFLAGS"
echo " CPPFLAGS = $DEBUG_CPPFLAGS $HARDENED_CPPFLAGS $CPPFLAGS"
echo " CXX = $CXX"
echo " CXXFLAGS = $DEBUG_CXXFLAGS $HARDENED_CXXFLAGS $WARN_CXXFLAGS $NOWARN_CXXFLAGS $ERROR_CXXFLAGS $GPROF_CXXFLAGS $CXXFLAGS"
echo " LDFLAGS = $PTHREAD_LIBS $HARDENED_LDFLAGS $GPROF_LDFLAGS $LDFLAGS"
echo " CXXFLAGS = $LTO_CXXFLAGS $DEBUG_CXXFLAGS $HARDENED_CXXFLAGS $WARN_CXXFLAGS $NOWARN_CXXFLAGS $ERROR_CXXFLAGS $GPROF_CXXFLAGS $CXXFLAGS"
echo " LDFLAGS = $LTO_LDFLAGS $PTHREAD_LIBS $HARDENED_LDFLAGS $GPROF_LDFLAGS $LDFLAGS"
echo " ARFLAGS = $ARFLAGS"
echo

4
src/Makefile.am
View File

@ -9,8 +9,8 @@ print-%: FORCE
DIST_SUBDIRS = secp256k1
AM_LDFLAGS = $(LIBTOOL_LDFLAGS) $(HARDENED_LDFLAGS) $(GPROF_LDFLAGS) $(SANITIZER_LDFLAGS)
AM_CXXFLAGS = $(DEBUG_CXXFLAGS) $(HARDENED_CXXFLAGS) $(WARN_CXXFLAGS) $(NOWARN_CXXFLAGS) $(ERROR_CXXFLAGS) $(GPROF_CXXFLAGS) $(SANITIZER_CXXFLAGS)
AM_LDFLAGS = $(LIBTOOL_LDFLAGS) $(HARDENED_LDFLAGS) $(GPROF_LDFLAGS) $(SANITIZER_LDFLAGS) $(LTO_LDFLAGS)
AM_CXXFLAGS = $(DEBUG_CXXFLAGS) $(HARDENED_CXXFLAGS) $(WARN_CXXFLAGS) $(NOWARN_CXXFLAGS) $(ERROR_CXXFLAGS) $(GPROF_CXXFLAGS) $(SANITIZER_CXXFLAGS) $(LTO_CXXFLAGS)
AM_CPPFLAGS = $(DEBUG_CPPFLAGS) $(HARDENED_CPPFLAGS)
AM_LIBTOOLFLAGS = --preserve-dup-deps
PTHREAD_FLAGS = $(PTHREAD_CFLAGS) $(PTHREAD_LIBS)