diff options
Diffstat (limited to 'gdb/configure.ac')
| -rw-r--r-- | gdb/configure.ac | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/gdb/configure.ac b/gdb/configure.ac index ebd797b..b9d8f8b 100644 --- a/gdb/configure.ac +++ b/gdb/configure.ac @@ -2007,14 +2007,23 @@ then # Separate out the -Werror flag as some files just cannot be # compiled with it enabled. for w in ${build_warnings}; do + # GCC does not complain about -Wno-unknown-warning. Invert + # and test -Wunknown-warning instead. + case $w in + -Wno-*) + wtest=`echo $w | sed 's/-Wno-/-W/g'` ;; + *) + wtest=$w ;; + esac + case $w in -Werr*) WERROR_CFLAGS=-Werror ;; *) # Check whether GCC accepts it. saved_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS $w" + CFLAGS="$CFLAGS $wtest" saved_CXXFLAGS="$CXXFLAGS" - CXXFLAGS="$CXXFLAGS $w" + CXXFLAGS="$CXXFLAGS $wtest" AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",) CFLAGS="$saved_CFLAGS" CXXFLAGS="$saved_CXXFLAGS" |