diff options
-rw-r--r-- | autoconf/configure.ac | 11 | ||||
-rwxr-xr-x | configure | 21 | ||||
-rw-r--r-- | include/llvm/Config/config.h.in | 3 |
3 files changed, 34 insertions, 1 deletions
diff --git a/autoconf/configure.ac b/autoconf/configure.ac index 7715531a33..7babb90767 100644 --- a/autoconf/configure.ac +++ b/autoconf/configure.ac @@ -411,6 +411,17 @@ fi AC_SUBST(HOST_ARCH,$host_arch) +dnl Default cpu (-mcpu=cpu) to use to all compiler invocations +AC_ARG_WITH(default-cpu, + AS_HELP_STRING([--with-default-cpu], + [Add by default -mcpu=cpu to all compiler invocations.]),, + withval="Unknown") + +if test "$withval" != "Unknown" ; then + AC_DEFINE_UNQUOTED(DEFAULT_TARGET_MCPU,"$withval", + [Default cpu (-mcpu=cpu) to use to all compiler invocations.]) +fi + dnl Check for the endianness of the target AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little])) @@ -1440,6 +1440,8 @@ Optional Features: Optional Packages: --with-PACKAGE[=ARG] use PACKAGE [ARG=yes] --without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no) + --with-default-cpu Add by default -mcpu=cpu to all compiler + invocations. --with-optimize-option Select the compiler options to use for optimized builds --with-extra-options Specify additional options to compile LLVM with @@ -3955,6 +3957,23 @@ HOST_ARCH=$host_arch +# Check whether --with-default-cpu was given. +if test "${with_default_cpu+set}" = set; then + withval=$with_default_cpu; +else + withval="Unknown" +fi + + +if test "$withval" != "Unknown" ; then + +cat >>confdefs.h <<_ACEOF +#define DEFAULT_TARGET_MCPU "$withval" +_ACEOF + +fi + + { echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5 echo $ECHO_N "checking for grep that handles long lines and -e... $ECHO_C" >&6; } @@ -10316,7 +10335,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<EOF -#line 10317 "configure" +#line 10338 "configure" #include "confdefs.h" #if HAVE_DLFCN_H diff --git a/include/llvm/Config/config.h.in b/include/llvm/Config/config.h.in index a4f8af4db0..2334d3894e 100644 --- a/include/llvm/Config/config.h.in +++ b/include/llvm/Config/config.h.in @@ -18,6 +18,9 @@ /* Default <path> to all compiler invocations for --sysroot=<path>. */ #undef DEFAULT_SYSROOT +/* Default cpu (-mcpu=cpu) to use to all compiler invocations. */ +#undef DEFAULT_TARGET_MCPU + /* Define if you want backtraces on crash */ #undef ENABLE_BACKTRACES |