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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 63f705ea..b9ac99bb 100644 --- a/configure.ac +++ b/configure.ac @@ -2292,6 +2292,28 @@ fi # +# Check whether compiler supports clang PowerPC target attributes +# +AC_CACHE_CHECK([whether compiler supports clang PowerPC target attributes], + [gcry_cv_clang_attribute_ppc_target], + [if test "$mpi_cpu_arch" != "ppc" ; then + gcry_cv_clang_attribute_ppc_target="n/a" + else + gcry_cv_clang_attribute_ppc_target=no + AC_LINK_IFELSE([AC_LANG_PROGRAM( + [[void __attribute__((target("arch=pwr8"))) testfn8(void) {} + void __attribute__((target("arch=pwr9"))) testfn9(void) + { testfn8(); } + ]], [ testfn9(); ])], + [gcry_cv_clang_attribute_ppc_target=yes]) + fi]) +if test "$gcry_cv_clang_attribute_ppc_target" = "yes" ; then + AC_DEFINE(HAVE_CLANG_ATTRIBUTE_PPC_TARGET,1, + [Defined if compiler supports clang PowerPC target attributes]) +fi + + +# # Check whether GCC inline assembler supports zSeries instructions # AC_CACHE_CHECK([whether GCC inline assembler supports zSeries instructions], |