diff options
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 1054adc0e..38d59c65e 100644 --- a/configure.ac +++ b/configure.ac @@ -458,6 +458,8 @@ dnl (__GMP_CFLAGS macro in gmp.h) above. The consequence is that this dnl might yield a compilation failure if the -Werror option appears in dnl __GMP_CFLAGS. But in this case, since -Werror is not used by default, dnl one may expect that the user would also set CFLAGS for MPFR. +dnl Note: When the compiler is GCC not in C++ mode, -Wc++-compat may be +dnl interesting, but it has been introduced in GCC 4.1 only. if test "$test_CFLAGS" != set && test -n "$GCC"; then CFLAGS="-Wpointer-arith $CFLAGS" AC_MSG_CHECKING(whether the selected language is C++) @@ -468,7 +470,7 @@ error #endif ]], [[]])],[ AC_MSG_RESULT(no) - CFLAGS="-Wmissing-prototypes -Wc++-compat $CFLAGS" + CFLAGS="-Wmissing-prototypes $CFLAGS" ],[ AC_MSG_RESULT(yes) CFLAGS="-Wmissing-declarations -Wno-sign-compare $CFLAGS" |