diff options
| -rw-r--r-- | configure.ac | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/configure.ac b/configure.ac index 100bb79e11..e73f7e0868 100644 --- a/configure.ac +++ b/configure.ac @@ -185,6 +185,9 @@ AC_ARG_ENABLE([debug], [enable_debug=$enableval], [enable_debug=no]) +AC_LANG_PUSH([C++]) +AX_CHECK_COMPILE_FLAG([-Werror],[CXXFLAG_WERROR="-Werror"],[CXXFLAG_WERROR=""]) + if test "x$enable_debug" = xyes; then CPPFLAGS="$CPPFLAGS -DDEBUG -DDEBUG_LOCKORDER" if test "x$GCC" = xyes; then @@ -196,11 +199,19 @@ if test "x$enable_debug" = xyes; then fi fi -## TODO: Remove these hard-coded paths and flags. They are here for the sake of -## compatibility with the legacy buildsystem. -## if test "x$CXXFLAGS_overridden" = "xno"; then - CXXFLAGS="$CXXFLAGS -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter -Wno-self-assign" + AX_CHECK_COMPILE_FLAG([-Wall],[CXXFLAGS="$CXXFLAGS -Wall"],,[[$CXXFLAG_WERROR]]) + AX_CHECK_COMPILE_FLAG([-Wextra],[CXXFLAGS="$CXXFLAGS -Wextra"],,[[$CXXFLAG_WERROR]]) + AX_CHECK_COMPILE_FLAG([-Wformat],[CXXFLAGS="$CXXFLAGS -Wformat"],,[[$CXXFLAG_WERROR]]) + AX_CHECK_COMPILE_FLAG([-Wformat-security],[CXXFLAGS="$CXXFLAGS -Wformat-security"],,[[$CXXFLAG_WERROR]]) + + ## Some compilers (gcc) ignore unknown -Wno-* options, but warn about all + ## unknown options if any other warning is produced. Test the -Wfoo case, and + ## set the -Wno-foo case if it works. + AX_CHECK_COMPILE_FLAG([-Wunused-parameter],[CXXFLAGS="$CXXFLAGS -Wno-unused-parameter"],,[[$CXXFLAG_WERROR]]) + AX_CHECK_COMPILE_FLAG([-Wself-assign],[CXXFLAGS="$CXXFLAGS -Wno-self-assign"],,[[$CXXFLAG_WERROR]]) + AX_CHECK_COMPILE_FLAG([-Wunused-local-typedef],[CXXFLAGS="$CXXFLAGS -Wno-unused-local-typedef"],,[[$CXXFLAG_WERROR]]) + AX_CHECK_COMPILE_FLAG([-Wdeprecated-register],[CXXFLAGS="$CXXFLAGS -Wno-deprecated-register"],,[[$CXXFLAG_WERROR]]) fi CPPFLAGS="$CPPFLAGS -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS" @@ -222,8 +233,6 @@ AC_ARG_WITH([daemon], [build_bitcoind=$withval], [build_bitcoind=yes]) -AC_LANG_PUSH([C++]) - use_pkgconfig=yes case $host in *mingw*) |