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build: add --enable-determinism configure flag

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If used, this will enable additional compile / link time flags
that will make subsequent builds of bitcoind determinisitic.
This commit is contained in:
fanquake 2020-02-13 14:21:32 +08:00
parent 4502ed7cd1
commit 3d9b41ecc0
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GPG Key ID: 2EEB9F5CC09526C1
1 changed files with 13 additions and 0 deletions
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13
configure.ac
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@ -262,6 +262,13 @@ AC_ARG_ENABLE([gprof],
[enable_gprof=$enableval],
[enable_gprof=no])
dnl Pass compiler & liner flags that make builds deterministic
AC_ARG_ENABLE([determinism],
[AS_HELP_STRING([--enable-determinism],
[Enable compilation flags that make builds deterministic (default is no)])],
[enable_determinism=$enableval],
[enable_determinism=no])
dnl Turn warnings into errors
AC_ARG_ENABLE([werror],
[AS_HELP_STRING([--enable-werror],
@ -764,6 +771,12 @@ if test x$TARGET_OS = xdarwin; then
AX_CHECK_LINK_FLAG([[-Wl,-bind_at_load]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,-bind_at_load"])
fi
if test x$enable_determinism = xyes; then
if test x$TARGET_OS = xwindows; then
AX_CHECK_LINK_FLAG([[-Wl,--no-insert-timestamp]], [LDFLAGS="$LDFLAGS -Wl,--no-insert-timestamp"])
fi
fi
AC_CHECK_HEADERS([endian.h sys/endian.h byteswap.h stdio.h stdlib.h unistd.h strings.h sys/types.h sys/stat.h sys/select.h sys/prctl.h sys/sysctl.h vm/vm_param.h sys/vmmeter.h sys/resources.h])
dnl FD_ZERO may be dependent on a declaration of memcpy, e.g. in SmartOS