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Add -Wpointer-arith to warning and checking builds

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GCC doesn't catch issues with performing pointer arithmetic on
(void *)s, unless the -Wpointer-arith warning flags is supplied.
Enable it for warning and checking builds.

Reviewed-on: http://gerrit.openafs.org/708
Tested-by: Marc Dionne <marc.c.dionne@gmail.com>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
This commit is contained in:
Simon Wilkinson 2009-10-22 00:34:50 +01:00 committed by Derrick Brashear
parent 5f688ff4bd
commit e83d382d20
1 changed files with 2 additions and 2 deletions
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4
src/cf/osconf.m4
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@ -1184,10 +1184,10 @@ CFLAGS_NOERROR=
if test "x$GCC" = "xyes"; then
if test "x$enable_warnings" = "xyes"; then
XCFLAGS="${XCFLAGS} -Wall -Wstrict-prototypes -Wold-style-definition"
XCFLAGS="${XCFLAGS} -Wall -Wstrict-prototypes -Wold-style-definition -Wpointer-arith"
fi
if test "x$enable_checking" != "xno"; then
XCFLAGS="${XCFLAGS} -Wall -Wstrict-prototypes -Wold-style-definition -Werror -fdiagnostics-show-option"
XCFLAGS="${XCFLAGS} -Wall -Wstrict-prototypes -Wold-style-definition -Werror -fdiagnostics-show-option -Wpointer-arith"
if test "x$enable_checking" != "xall"; then
CFLAGS_NOERROR="-Wno-error"
AC_DEFINE(IGNORE_SOME_GCC_WARNINGS, 1, [define to disable some gcc warnings in warnings-as-errors mode])