diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 54 |
1 files changed, 50 insertions, 4 deletions
diff --git a/configure.ac b/configure.ac index 4723c69d5d..d25bebeb1a 100644 --- a/configure.ac +++ b/configure.ac @@ -1,11 +1,11 @@ dnl require autoconf 2.60 (AS_ECHO/AS_ECHO_N) AC_PREREQ([2.60]) define(_CLIENT_VERSION_MAJOR, 0) -define(_CLIENT_VERSION_MINOR, 13) +define(_CLIENT_VERSION_MINOR, 14) define(_CLIENT_VERSION_REVISION, 99) define(_CLIENT_VERSION_BUILD, 0) define(_CLIENT_VERSION_IS_RELEASE, false) -define(_COPYRIGHT_YEAR, 2016) +define(_COPYRIGHT_YEAR, 2017) define(_COPYRIGHT_HOLDERS,[The %s developers]) define(_COPYRIGHT_HOLDERS_SUBSTITUTION,[[Bitcoin Core]]) AC_INIT([Bitcoin Core],[_CLIENT_VERSION_MAJOR._CLIENT_VERSION_MINOR._CLIENT_VERSION_REVISION],[https://github.com/bitcoin/bitcoin/issues],[bitcoin],[https://bitcoincore.org/]) @@ -55,7 +55,7 @@ case $host in ;; esac dnl Require C++11 compiler (no GNU extensions) -AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory]) +AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory], [nodefault]) dnl Check if -latomic is required for <std::atomic> CHECK_ATOMIC @@ -192,6 +192,13 @@ AC_ARG_ENABLE([debug], [enable_debug=$enableval], [enable_debug=no]) +# Turn warnings into errors +AC_ARG_ENABLE([werror], + [AS_HELP_STRING([--enable-werror], + [Treat certain compiler warnings as errors (default is no)])], + [enable_werror=$enableval], + [enable_werror=no]) + AC_LANG_PUSH([C++]) AX_CHECK_COMPILE_FLAG([-Werror],[CXXFLAG_WERROR="-Werror"],[CXXFLAG_WERROR=""]) @@ -206,11 +213,21 @@ if test "x$enable_debug" = xyes; then fi fi +ERROR_CXXFLAGS= +if test "x$enable_werror" = "xyes"; then + if test "x$CXXFLAG_WERROR" = "x"; then + AC_MSG_ERROR("enable-werror set but -Werror is not usable") + fi + AX_CHECK_COMPILE_FLAG([-Werror=vla],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=vla"],,[[$CXXFLAG_WERROR]]) +fi + if test "x$CXXFLAGS_overridden" = "xno"; then AX_CHECK_COMPILE_FLAG([-Wall],[CXXFLAGS="$CXXFLAGS -Wall"],,[[$CXXFLAG_WERROR]]) AX_CHECK_COMPILE_FLAG([-Wextra],[CXXFLAGS="$CXXFLAGS -Wextra"],,[[$CXXFLAG_WERROR]]) AX_CHECK_COMPILE_FLAG([-Wformat],[CXXFLAGS="$CXXFLAGS -Wformat"],,[[$CXXFLAG_WERROR]]) + AX_CHECK_COMPILE_FLAG([-Wvla],[CXXFLAGS="$CXXFLAGS -Wvla"],,[[$CXXFLAG_WERROR]]) AX_CHECK_COMPILE_FLAG([-Wformat-security],[CXXFLAGS="$CXXFLAGS -Wformat-security"],,[[$CXXFLAG_WERROR]]) + AX_CHECK_COMPILE_FLAG([-Wshadow],[CXXFLAGS="$CXXFLAGS -Wshadow"],,[[$CXXFLAG_WERROR]]) ## Some compilers (gcc) ignore unknown -Wno-* options, but warn about all ## unknown options if any other warning is produced. Test the -Wfoo case, and @@ -558,6 +575,33 @@ AC_LINK_IFELSE([AC_LANG_SOURCE([ ] ) +# Check for different ways of gathering OS randomness +AC_MSG_CHECKING(for Linux getrandom syscall) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h> + #include <sys/syscall.h> + #include <linux/random.h>]], + [[ syscall(SYS_getrandom, nullptr, 32, 0); ]])], + [ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SYS_GETRANDOM, 1,[Define this symbol if the Linux getrandom system call is available]) ], + [ AC_MSG_RESULT(no)] +) + +AC_MSG_CHECKING(for getentropy) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], + [[ getentropy(nullptr, 32) ]])], + [ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_GETENTROPY, 1,[Define this symbol if the BSD getentropy system call is available]) ], + [ AC_MSG_RESULT(no)] +) + +AC_MSG_CHECKING(for sysctl KERN_ARND) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> + #include <sys/sysctl.h>]], + [[ static const int name[2] = {CTL_KERN, KERN_ARND}; + sysctl(name, 2, nullptr, nullptr, nullptr, 0); ]])], + [ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SYSCTL_ARND, 1,[Define this symbol if the BSD sysctl(KERN_ARND) is available]) ], + [ AC_MSG_RESULT(no)] +) + +# Check for reduced exports if test x$use_reduce_exports = xyes; then AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],[RE_CXXFLAGS="-fvisibility=hidden"], [AC_MSG_ERROR([Cannot set default symbol visibility. Use --disable-reduce-exports.])]) @@ -1066,6 +1110,7 @@ AC_SUBST(BITCOIN_CLI_NAME) AC_SUBST(BITCOIN_TX_NAME) AC_SUBST(RELDFLAGS) +AC_SUBST(ERROR_CXXFLAGS) AC_SUBST(HARDENED_CXXFLAGS) AC_SUBST(HARDENED_CPPFLAGS) AC_SUBST(HARDENED_LDFLAGS) @@ -1087,7 +1132,7 @@ AC_SUBST(ZMQ_LIBS) AC_SUBST(PROTOBUF_LIBS) AC_SUBST(QR_LIBS) AC_CONFIG_FILES([Makefile src/Makefile doc/man/Makefile share/setup.nsi share/qt/Info.plist src/test/buildenv.py]) -AC_CONFIG_FILES([qa/pull-tester/tests_config.py],[chmod +x qa/pull-tester/tests_config.py]) +AC_CONFIG_FILES([qa/pull-tester/tests_config.ini],[chmod +x qa/pull-tester/tests_config.ini]) AC_CONFIG_FILES([contrib/devtools/split-debug.sh],[chmod +x contrib/devtools/split-debug.sh]) AC_CONFIG_LINKS([qa/pull-tester/rpc-tests.py:qa/pull-tester/rpc-tests.py]) @@ -1155,6 +1200,7 @@ echo " with test = $use_tests" echo " with bench = $use_bench" echo " with upnp = $use_upnp" echo " debug enabled = $enable_debug" +echo " werror = $enable_werror" echo echo " target os = $TARGET_OS" echo " build os = $BUILD_OS" |