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| author | Nick Clifton <nickc@redhat.com> | 2016-03-22 09:41:16 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2016-03-22 09:41:16 +0000 |
| commit | 9780e045073b1719a7a4c6cbe00e4aa7525bd180 (patch) | |
| tree | 3def78d7a5256187ded65f646443c1d13101d0a3 /bfd/warning.m4 | |
| parent | 648c5cbbf34dcbf96bde7e07b14868777fd5d635 (diff) | |
| download | binutils-gdb-9780e045073b1719a7a4c6cbe00e4aa7525bd180.tar.gz | |
Add -Wstack-usage to the gcc warning flags list, but only if using a sufficiently recent version of gcc.
bfd * warning.m4 (GCC_WARN_CFLAGS): Only add -Wstack-usage if using a
sufficiently recent version of GCC.
* configure: Regenerate.
others * configure: Regenerate.
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 0e838f6951c..028d0792027 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 |