diff options
Diffstat (limited to 'bfd/warning.m4')
| -rw-r--r-- | bfd/warning.m4 | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/bfd/warning.m4 b/bfd/warning.m4 index 0e838f6..028d079 100644 --- a/bfd/warning.m4 +++ b/bfd/warning.m4 @@ -21,9 +21,16 @@ AC_DEFUN([AM_BINUTILS_WARNINGS],[ # Set the 'development' global. . $srcdir/../bfd/development.sh +# Default set of GCC warnings to enable. GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes" + +# Add -Wshadow if the compiler is a sufficiently recent version of GCC. AC_EGREP_CPP([^[0-3]$],[__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="$GCC_WARN_CFLAGS -Wstack-usage=262144") + + AC_ARG_ENABLE(werror, [ --enable-werror treat compile warnings as errors], [case "${enableval}" in @@ -49,7 +56,7 @@ fi NO_WERROR= if test "${ERROR_ON_WARNING}" = yes ; then - GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror -Wstack-usage=262144" + GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror" NO_WERROR="-Wno-error" fi |