X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bfd%2Fwarning.m4;h=6b846bf4ea32c953e259d4ebd6d875b890577db7;hb=fad072ac13b347994507f32882b557ab7b044a19;hp=b366cadeb29365e92156d87b3c800560c9d9730b;hpb=01f0fe5e0450edf168c1f612feb93cf588e4e7ea;p=deliverable%2Fbinutils-gdb.git

diff --git a/bfd/warning.m4 b/bfd/warning.m4
index b366cadeb2..6b846bf4ea 100644
--- a/bfd/warning.m4
+++ b/bfd/warning.m4
@@ -2,6 +2,7 @@ dnl Common configure.in fragment
 
 AC_DEFUN([AM_BINUTILS_WARNINGS],[
 GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
+AC_EGREP_CPP([^[0-3]$],[__GNUC__],,GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wshadow")
 
 AC_ARG_ENABLE(werror,
   [  --enable-werror         treat compile warnings as errors],
@@ -11,6 +12,16 @@ AC_ARG_ENABLE(werror,
      *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
    esac])
 
+# Disable -Wformat by default when using gcc on mingw
+case "${host}" in
+  *-*-mingw32*)
+    if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
+      GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wno-format"
+    fi
+    ;;
+  *) ;;
+esac
+
 # Enable -Werror by default when using gcc
 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
     ERROR_ON_WARNING=yes