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* warning.m4 (GCC_WARN_CFLAGS): Only add -Wshadow for gcc-4 and above.

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* configure: Regenerate.
This commit is contained in:
Alan Modra 2010-04-07 07:19:02 +00:00
parent 937502b8a9
commit d1a98e0c8c
3 changed files with 22 additions and 4 deletions
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5
bfd/ChangeLog
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@ -1,3 +1,8 @@
2010-04-07 Alan Modra <amodra@gmail.com>
* warning.m4 (GCC_WARN_CFLAGS): Only add -Wshadow for gcc-4 and above.
* configure: Regenerate.
2010-04-06 H.J. Lu <hongjiu.lu@intel.com>
PR ld/11434

16
bfd/configure vendored
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@ -12128,7 +12128,19 @@ fi
GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow"
GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
__GNUC__
_ACEOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
$EGREP "^[0-3]$" >/dev/null 2>&1; then :
else
GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wshadow"
fi
rm -f conftest*
# Check whether --enable-werror was given.
if test "${enable_werror+set}" = set; then :
@ -12140,7 +12152,7 @@ if test "${enable_werror+set}" = set; then :
fi
# Enable -Wno-format by default when using gcc on mingw
# Disable -Wformat by default when using gcc on mingw
case "${host}" in
*-*-mingw32*)
if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then

5
bfd/warning.m4
View File

@ -1,7 +1,8 @@
dnl Common configure.in fragment
AC_DEFUN([AM_BINUTILS_WARNINGS],[
GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow"
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],
@ -11,7 +12,7 @@ AC_ARG_ENABLE(werror,
*) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
esac])
# Enable -Wno-format by default when using gcc on mingw
# Disable -Wformat by default when using gcc on mingw
case "${host}" in
*-*-mingw32*)
if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then