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| author | Wladimir J. van der Laan <laanwj@gmail.com> | 2016-04-27 12:57:26 +0200 |
|---|---|---|
| committer | Wladimir J. van der Laan <laanwj@gmail.com> | 2016-04-27 12:57:41 +0200 |
| commit | 08b37c5e06bf1698c1d0e5905806382cbfa8cefd (patch) | |
| tree | d85907943be219217bb83f3cdf62afc421f6545e | |
| parent | 5c7df7022bcd360e6af00b9458b1a3fd54e1cc9a (diff) | |
| parent | 63b3111f84daa421abc2889a550e86c17bf9609d (diff) | |
| download | bitcoin-08b37c5e06bf1698c1d0e5905806382cbfa8cefd.tar.xz | |
Merge #7954: build: quiet annoying warnings without adding new ones
63b3111 build: quiet annoying warnings without adding new ones (Cory Fields)
| -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*) |