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configure.ac: Improve LLVM configure check and warning (bug #37050)
author Max Brister <max@2bass.com>
date Sat, 25 Aug 2012 13:11:34 -0500
parents 017f0b2e6933
children d65ef0fc5e05
comparison
equal deleted inserted replaced
15227:fbecbce45898 15229:e5a86de6023c
679 save_CPPFLAGS="$CPPFLAGS" 679 save_CPPFLAGS="$CPPFLAGS"
680 save_CXXFLAGS="$CXXFLAGS" 680 save_CXXFLAGS="$CXXFLAGS"
681 save_LIBS="$LIBS" 681 save_LIBS="$LIBS"
682 save_LDFLAGS="$LDFLAGS" 682 save_LDFLAGS="$LDFLAGS"
683 683
684 warn_llvm="LLVM library fails tests. JIT compilation will be disabled."
685
686 AC_ARG_VAR(LLVM_CONFIG, [path to llvm-config utility]) 684 AC_ARG_VAR(LLVM_CONFIG, [path to llvm-config utility])
687 685
688 AC_ARG_ENABLE([jit-debug], 686 AC_ARG_ENABLE([jit-debug],
689 AS_HELP_STRING([--enable-jit-debug], [enable debug printing of JIT IRs])) 687 AS_HELP_STRING([--enable-jit-debug], [enable debug printing of JIT IRs]))
690 688
696 LLVM_CPPFLAGS= 694 LLVM_CPPFLAGS=
697 LLVM_LDFLAGS= 695 LLVM_LDFLAGS=
698 LLVM_LIBS= 696 LLVM_LIBS=
699 697
700 if test "x$ac_cv_env_LLVM_CONFIG_set" = "xset"; then 698 if test "x$ac_cv_env_LLVM_CONFIG_set" = "xset"; then
699 warn_llvm="LLVM was not found or is to old. JIT is disabled."
700
701 ## We use -isystem if available because we do not want to see warnings in LLVM 701 ## We use -isystem if available because we do not want to see warnings in LLVM
702 LLVM_INCLUDE_FLAG=-I 702 LLVM_INCLUDE_FLAG=-I
703 OCTAVE_CC_FLAG(-isystem ., [ 703 OCTAVE_CC_FLAG(-isystem ., [
704 LLVM_INCLUDE_FLAG=-isystem 704 LLVM_INCLUDE_FLAG=-isystem
705 AC_MSG_NOTICE([using -isystem for llvm headers])]) 705 AC_MSG_NOTICE([using -isystem for llvm headers])])
719 CXXFLAGS="$LLVM_CXXFLAGS $CXXFLAGS" 719 CXXFLAGS="$LLVM_CXXFLAGS $CXXFLAGS"
720 LIBS="$LLVM_LIBS $LIBS" 720 LIBS="$LLVM_LIBS $LIBS"
721 LDFLAGS="$LLVM_LDFLAGS $LDFLAGS" 721 LDFLAGS="$LLVM_LDFLAGS $LDFLAGS"
722 722
723 AC_LANG_PUSH(C++) 723 AC_LANG_PUSH(C++)
724 AC_CHECK_HEADER([llvm/LLVMContext.h], [ 724 AC_CHECK_HEADERS([llvm/LLVMContext.h, llvm/Support/TargetSelect.h], [
725 AC_MSG_CHECKING([for llvm::getGlobalContext in llvm/LLVMContext.h]) 725 AC_MSG_CHECKING([for llvm::getGlobalContext in llvm/LLVMContext.h])
726 AC_COMPILE_IFELSE( 726 AC_COMPILE_IFELSE(
727 [AC_LANG_PROGRAM([[ 727 [AC_LANG_PROGRAM([[
728 #include <llvm/LLVMContext.h> 728 #include <llvm/LLVMContext.h>
729 ]], [[ 729 ]], [[
736 ]) 736 ])
737 ]) 737 ])
738 AC_LANG_POP(C++) 738 AC_LANG_POP(C++)
739 739
740 else 740 else
741 warn_llvm="LLVM_CONFIG not set. JIT compilation will be disabled." 741 warn_llvm="LLVM_CONFIG not set. The experiential JIT feature is disabled."
742 fi 742 fi
743 743
744 if test -z "$warn_llvm"; then 744 if test -z "$warn_llvm"; then
745 AC_DEFINE(HAVE_LLVM, 1, [Define to 1 if LLVM is available.]) 745 AC_DEFINE(HAVE_LLVM, 1, [Define to 1 if LLVM is available.])
746 else 746 else