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-rw-r--r--autoconf/configure.ac8
1 files changed, 8 insertions, 0 deletions
diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index 7b4bae7e71..a44b228334 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -464,6 +464,14 @@ fi
AC_SUBST(HOST_ARCH,$host_arch)
+dnl Default cpu (-mcpu=cpu) to use to all compiler invocations
+AC_ARG_WITH(default-cpu,
+ AS_HELP_STRING([--with-default-cpu],
+ [Add by default -mcpu=cpu to all compiler invocations.]),,
+ with_default_cpu="")
+AC_DEFINE_UNQUOTED([LLVM_DEFAULT_TARGET_MCPU],"$with_default_cpu",
+ [Default cpu (-mcpu=cpu) to use to all compiler invocations.])
+
dnl Check for the endianness of the target
AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))