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| author | Stephen Fisher <steve@stephen-fisher.com> | 2007-03-28 21:55:11 +0000 |
|---|---|---|
| committer | Stephen Fisher <steve@stephen-fisher.com> | 2007-03-28 21:55:11 +0000 |
| commit | 8fd3ee05600dd7d0e6434e7eb824932c52000ce3 (patch) | |
| tree | dc1df6288600e883ed53ac7e43a38a2d03abb9f3 /configure.in | |
| parent | 32780e71e8ce8c8fd1898cbcb62f6bc8a59341f3 (diff) | |
Remove almost all of the casts I committed recently and in place of
them, add -Wno-pointer-sign to CFLAGS when gcc will accept it.
svn path=/trunk/; revision=21253
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 70f07c33bc..1aeba1bb27 100644 --- a/configure.in +++ b/configure.in @@ -191,6 +191,23 @@ else fi rm -rf conftest* +AC_MSG_CHECKING(to see if we can add '-Wno-pointer-sign' to CFLAGS) +if test x$GCC == xyes ; then + # some versions of GCC support this directive + rm -rf conftest* + echo "int foo;" >>conftest.c + if $CC -c -o conftest.o conftest.c -Wno-pointer-sign > /dev/null 2>&1 ; then + CFLAGS="$CFLAGS -Wno-pointer-sign" + AC_MSG_RESULT(yes) + else + AC_MSG_RESULT(no) + fi +else + # non-gcc compilers do not support this directive + AC_MSG_RESULT(no) +fi +rm -rf conftest* + AC_ARG_WITH(warnings-as-errors, [ --with-warnings-as-errors Treat warnings as errors (if using gcc). [default=no]], [ |