diff options
Diffstat (limited to 'bfd/warning.m4')
| -rw-r--r-- | bfd/warning.m4 | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/bfd/warning.m4 b/bfd/warning.m4 index 028d079..4c5b55d 100644 --- a/bfd/warning.m4 +++ b/bfd/warning.m4 @@ -30,6 +30,9 @@ AC_EGREP_CPP([^[0-3]$],[__GNUC__],,GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wshadow") # Add -Wstack-usage if the compiler is a sufficiently recent version of GCC. AC_EGREP_CPP([^[0-4]$],[__GNUC__],,GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wstack-usage=262144") +# Set WARN_WRITE_STRINGS if the compiler supports -Wwrite-strings. +WARN_WRITE_STRINGS="" +AC_EGREP_CPP([^[0-3]$],[__GNUC__],,WARN_WRITE_STRINGS="-Wwrite-strings") AC_ARG_ENABLE(werror, [ --enable-werror treat compile warnings as errors], @@ -84,4 +87,5 @@ fi AC_SUBST(WARN_CFLAGS) AC_SUBST(NO_WERROR) + AC_SUBST(WARN_WRITE_STRINGS) ]) |