Define LLVM_NATIVE_ARCH in llvm/Config/config.h to be the LLVM back end that corresponds to the native executable, but only when that LLVM back end is being built
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73590 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index 4ba6b2b..bd05891 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -234,6 +234,13 @@
AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
fi
+# Determine the LLVM native architecture for the target
+case "$llvm_cv_target_arch" in
+ x86) LLVM_NATIVE_ARCH="X86" ;;
+ x86_64) LLVM_NATIVE_ARCH="X86" ;;
+ *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
+esac
+
dnl Define a substitution, ARCH, for the target architecture
AC_SUBST(ARCH,$llvm_cv_target_arch)
@@ -436,6 +443,15 @@
esac
AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
+# Determine whether we are building LLVM support for the native architecture.
+# If so, define LLVM_NATIVE_ARCH to that LLVM target.
+for a_target in $TARGETS_TO_BUILD; do
+ if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
+ AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCH,
+ [LLVM architecture name for the native architecture, if available])
+ fi
+done
+
# Build the LLVM_TARGET and LLVM_ASM_PRINTER macro uses for
# Targets.def and AsmPrinters.def.
LLVM_ENUM_TARGETS=""