diff options
| -rw-r--r-- | acinclude.m4 | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 70e2555..8ebfbc5 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -180,3 +180,36 @@ AC_DEFUN([AC_CHECK_COMPATIBLE_ARM_ASSEMBLER_IFELSE],[ $2 fi ]) + +AC_DEFUN([AC_CHECK_COMPATIBLE_ARM64_ASSEMBLER_IFELSE],[ + ac_good_gnu_arm_assembler=no + ac_save_CC="$CC" + ac_save_CFLAGS="$CFLAGS" + CFLAGS="$CCASFLAGS -x assembler-with-cpp" + CC="$CCAS" + AC_COMPILE_IFELSE([[ + .text + movi v0.16b, #100]], ac_good_gnu_arm_assembler=yes) + + ac_use_gas_preprocessor=no + if test "x$ac_good_gnu_arm_assembler" = "xno" ; then + CC="gas-preprocessor.pl $CCAS" + AC_COMPILE_IFELSE([[ + .text + movi v0.16b, #100]], ac_use_gas_preprocessor=yes) + fi + CFLAGS="$ac_save_CFLAGS" + CC="$ac_save_CC" + + if test "x$ac_use_gas_preprocessor" = "xyes" ; then + CCAS="gas-preprocessor.pl $CCAS" + AC_SUBST([CCAS]) + ac_good_gnu_arm_assembler=yes + fi + + if test "x$ac_good_gnu_arm_assembler" = "xyes" ; then + $1 + else + $2 + fi +]) |