foster/bitcoin-bitcoin-core
0
0
Fork 0
mirror of https://github.com/bitcoin/bitcoin.git synced 2025-02-08 10:31:50 -05:00
Code Issues Activity

build: add --enable-lto configuration option

Browse source 
Co-authored-by: Cory Fields <cory-nospam-@coryfields.com>
Co-authored-by: Elichai Turkel <elichai.turkel@gmail.com>
This commit is contained in:
fanquake 2021-10-01 12:37:03 +08:00
parent 41e6909c07
commit 68e5aafde3
No known key found for this signature in database
GPG key ID: 2EEB9F5CC09526C1
2 changed files with 17 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
configure.ac
View file

@ -323,6 +323,11 @@ AC_ARG_ENABLE([external-signer],
[use_external_signer=$enableval],
[use_external_signer=yes])
AC_ARG_ENABLE([lto],
[AS_HELP_STRING([--enable-lto],[build using LTO (default is no)])],
[enable_lto=$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
@ -370,6 +375,11 @@ if test "x$enable_debug" = xyes; then
AX_CHECK_COMPILE_FLAG([-ftrapv], [DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -ftrapv"], [], [$CXXFLAG_WERROR])
fi
if test "x$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$use_sanitizers != x; then
dnl First check if the compiler accepts flags. If an incompatible pair like
dnl -fsanitize=address,thread is used here, this check will fail. This will also
@ -1826,6 +1836,8 @@ 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)
@ -1941,6 +1953,7 @@ echo " sanitizers = $use_sanitizers"
echo " debug enabled = $enable_debug"
echo " gprof enabled = $enable_gprof"
echo " werror = $enable_werror"
echo " LTO = $enable_lto"
echo
echo " target os = $TARGET_OS"
echo " build os = $build_os"
@ -1949,7 +1962,7 @@ 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

@ -8,8 +8,8 @@ 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)