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Added an extra GCC flag to help catch problems with the C output

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This commit is contained in:
Neil Brown 2009-03-21 22:57:49 +00:00
parent 88077ce755
commit 63d6c5258d
1 changed files with 13 additions and 1 deletions
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14
configure.ac
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@ -159,6 +159,18 @@ AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[ ]]),
no_unused=
)
#Check whether GCC accepts the -Werror=cast-qual option
AC_MSG_CHECKING([whether -Werror=cast-qual flag is accepted])
CFLAGS="-Werror=cast-qual"
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[ ]]),
AC_MSG_RESULT([yes])
warn_error="-Werror=cast-qual"
,
AC_MSG_RESULT([no])
warn_error=
)
CFLAGS="$old_CFLAGS"
@ -237,7 +249,7 @@ CFLAGS="$CFLAGS $no_strict_overflow $no_tree_vrp"
# that, but I'm also leaving these flags in so that any other code (for example,
# that Tock might spit out) that uses increments doesn't have the same issue.
common_cflags="-Wall $no_unused -ggdb3 -Isupport $no_strict_aliasing"
common_cflags="-Wall $no_unused $warn_error -ggdb3 -Isupport $no_strict_aliasing"
TOCK_CFLAGS="$gnu89_inline $CPPFLAGS $CFLAGS $common_cflags $CCSP_CFLAGS $GLIB_CFLAGS"
TOCK_CLDFLAGS="$LDFLAGS $CCSP_LIBS $GLIB_LIBS -lm"