quakeforge/config.d/asm.m4

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dnl Check for ia32
AC_MSG_CHECKING(for an ia32 machine)
case "${host}" in
i?86-*-*)
AC_MSG_RESULT(yes)
AC_MSG_CHECKING(to see if we should disable asm optimizations)
AC_ARG_ENABLE(asmopt,
AS_HELP_STRING([--disable-asmopt],
[disable assembler optimization]),
AC_MSG_RESULT(yes),
AC_DEFINE(USE_INTEL_ASM, 1,
[Define this if you want to use Intel assembly optimizations])
ASM_ARCH=yes
AC_MSG_RESULT(no)
)
;;
*) AC_MSG_RESULT(no)
esac
AM_CONDITIONAL(ASM_ARCH, test "x$ASM_ARCH" = "xyes")
AC_MSG_CHECKING(for underscore prefix in names)
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[asm(".long _bar"); int bar;]], [[]])],
[AC_DEFINE(HAVE_SYM_PREFIX_UNDERSCORE, 1,
[Define this if C symbols are prefixed with an underscore])
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
])