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,$llvm_cv_target_arch)
dnl --enable-optimized : check whether they want to do an optimized build:
AC_ARG_ENABLE(optimized, AS_HELP_STRING(
- [--enable-optimized,Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
+ --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
if test ${enableval} = "no" ; then
AC_SUBST(ENABLE_OPTIMIZED,[[]])
else
dnl --enable-profiling : check whether they want to do a profile build:
AC_ARG_ENABLE(profiling, AS_HELP_STRING(
- [--enable-profiling,Compile with profiling enabled (default is NO)]),,enableval="no")
+ --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
if test ${enableval} = "no" ; then
AC_SUBST(ENABLE_PROFILING,[[]])
else
dnl --enable-assertions : check whether they want to turn on assertions or not:
AC_ARG_ENABLE(assertions,AS_HELP_STRING(
- [--enable-assertions,Compile with assertion checks enabled (default is YES)]),, enableval="yes")
+ --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
if test ${enableval} = "yes" ; then
AC_SUBST(DISABLE_ASSERTIONS,[[]])
else
dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
- [--enable-expensive-checks,Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
+ --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
if test ${enableval} = "yes" ; then
AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
dnl --enable-debug-runtime : should runtime libraries have debug symbols?
AC_ARG_ENABLE(debug-runtime,
- AS_HELP_STRING([--enable-debug-runtime,Build runtime libs with debug symbols (default is NO)]),,enableval=no)
+ AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
if test ${enableval} = "no" ; then
AC_SUBST(DEBUG_RUNTIME,[[]])
else
default) AC_SUBST(ENABLE_THREADS,[1]) ;;
*) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
esac
+AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
dnl Allow building without position independent code
AC_ARG_ENABLE(pic,
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=""
+LLVM_ENUM_ASM_PRINTERS=""
+for target_to_build in $TARGETS_TO_BUILD; do
+ LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
+ if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
+ LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
+ fi
+done
+AC_SUBST(LLVM_ENUM_TARGETS)
+AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
+
dnl Prevent the CBackend from using printf("%a") for floating point so older
dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
dnl can still compile the CBE's output
fi
fi
+dnl --enable-libffi : check whether the user wants to turn off libffi:
+AC_ARG_ENABLE(libffi,AS_HELP_STRING(
+ --enable-libffi,[Check for the presence of libffi (default is YES)]),,
+ enableval=yes)
+case "$enableval" in
+ yes) llvm_cv_enable_libffi="yes" ;;
+ no) llvm_cv_enable_libffi="no" ;;
+ *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
+esac
+
dnl===-----------------------------------------------------------------------===
dnl===
dnl=== SECTION 4: Check for programs we need and that they are the right version
AC_MSG_WARN([dlopen() not found - disabling plugin support]))
dnl libffi is optional; used to call external functions from the interpreter
-AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
- [Define if libffi is available on this platform.]),
- AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
+if test "$llvm_cv_enable_libffi" = "yes" ; then
+ AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
+ [Define if libffi is available on this platform.]),
+ AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
+fi
dnl mallinfo is optional; the code can compile (minus features) without it
AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
[Have pthread_mutex_lock]))
+ AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
+ AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
+ [Have pthread_rwlock_init]))
fi
dnl Allow extra x86-disassembler library
fi
dnl Try to find ffi.h.
-AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
+if test "$llvm_cv_enable_libffi" = "yes" ; then
+ AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
+fi
dnl===-----------------------------------------------------------------------===
dnl===
fi
dnl atomic builtins are required for threading support.
-if test "$ENABLE_THREADS" -eq 1 ; then
- AC_MSG_CHECKING(for GCC atomic builtins)
- AC_LINK_IFELSE(
- AC_LANG_SOURCE(
- [[int main() {
- volatile unsigned long val = 1;
- __sync_synchronize();
- __sync_val_compare_and_swap(&val, 1, 0);
- return 0;
- }
- ]]),
- AC_MSG_RESULT(yes),
- AC_MSG_RESULT(no)
- AC_SUBST(ENABLE_THREADS, [0])
- AC_MSG_WARN([Threading support disabled because atomic builtins are missing]))
-fi
+AC_MSG_CHECKING(for GCC atomic builtins)
+AC_LINK_IFELSE(
+ AC_LANG_SOURCE(
+ [[int main() {
+ volatile unsigned long val = 1;
+ __sync_synchronize();
+ __sync_val_compare_and_swap(&val, 1, 0);
+ __sync_add_and_fetch(&val, 1);
+ __sync_sub_and_fetch(&val, 1);
+ return 0;
+ }
+ ]]),
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
+ AC_MSG_RESULT(no)
+ AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
+ AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
-AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
dnl===-----------------------------------------------------------------------===
dnl===
dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
dnl files can be updated automatically when their *.in sources change.
AC_CONFIG_HEADERS([include/llvm/Config/config.h])
+AC_CONFIG_FILES([include/llvm/Config/Targets.def])
+AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
AC_CONFIG_HEADERS([include/llvm/ADT/iterator.h])
projects / oota-llvm.git / blobdiff