CFLAGS="${CFLAGS_save}"
RDC_PROG_CC_WFLAGS([all extra sign-compare undef pointer-arith bad-function-cast cast-align write-strings missing-prototypes volatile-register-var error-implicit-function-declaration])
-RDC_PROG_CC_FLAGS_IFELSE([-pipe])
+RDC_PROG_CC_FLAGS([-pipe])
AC_ARG_ENABLE(warnings-as-error,
- AS_HELP_STRING([--enable-warnings-as-error],[Treat acceptable warnings as error (default disabled, enabled in debug)]))
-if test "x${warnings_as_error}" = "xyes" -o "x${enable_debug}" != "xno"
-then
+ AS_HELP_STRING([--enable-warnings-as-error],[Treat acceptable warnings as error (default in debug)]),, [enable_warnings_as_error="$enable_debug"])
+AS_IF([test "${enable_warnings_as_error}" = "yes"], [
RDC_PROG_CC_WERRORFLAGS([unused-function unused-label unused-value unused-parameter unused-variable unused \
- missing-parameter-type missing-declarations undef address enum-compare implicit-int implicit-function-declaration \
- comment format format-security format-nonliteral main missing-braces nonnull parentheses pointer-sign reorder return-type sequence-point switch trigraphs uninitialized \
- bad-function-cast end])
-fi
+ missing-braces nonnull parentheses uninitialized address enum-compare undef comment switch \
+ bad-function-cast ignored])
+])
+AC_SUBST(CFLAGS_WERROR)
dnl Check for various optimization flags
AC_CACHE_CHECK([if \$CC accepts -Os],
AC_CACHE_CHECK([if $CC groks 3D Now! inline assembly],
[ac_cv_3dnow_inline],
[CFLAGS="${CFLAGS_save}"
- AC_TRY_COMPILE(,[void *p;asm volatile("pfadd %%mm1,%%mm2"::"r"(p));],
+ AC_TRY_COMPILE(,[void *p = NULL; asm volatile("pfadd %%mm1,%%mm2"::"r"(p));],
ac_cv_3dnow_inline=yes, ac_cv_3dnow_inline=no)])
AS_IF([test "${ac_cv_3dnow_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_3DNOW, 1,