1 # 2 # Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved. 3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 # 5 # This code is free software; you can redistribute it and/or modify it 6 # under the terms of the GNU General Public License version 2 only, as 7 # published by the Free Software Foundation. Oracle designates this 8 # particular file as subject to the "Classpath" exception as provided 9 # by Oracle in the LICENSE file that accompanied this code. 10 # 11 # This code is distributed in the hope that it will be useful, but WITHOUT 12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 # version 2 for more details (a copy is included in the LICENSE file that 15 # accompanied this code). 16 # 17 # You should have received a copy of the GNU General Public License version 18 # 2 along with this work; if not, write to the Free Software Foundation, 19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 # 21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 # or visit www.oracle.com if you need additional information or have any 23 # questions. 24 # 25 26 ################################################################################ 27 # Setup libclang from llvm project 28 ################################################################################ 29 AC_DEFUN_ONCE([LIB_SETUP_LIBCLANG], 30 [ 31 AC_ARG_WITH([libclang], [AS_HELP_STRING([--with-libclang=<path to llvm>], 32 [Specify path of llvm installation contains libclang. Pre-built llvm 33 binary can be downloaded from http://llvm.org/releases/download.html])], 34 [], 35 [with_libclang=yes] 36 ) 37 38 if test "x$with_libclang" = "xno"; then 39 ENABLE_LIBCLANG="no" 40 else 41 ENABLE_LIBCLANG="yes" 42 AC_ARG_WITH([libclang-include], [AS_HELP_STRING([--with-libclang-include=<path>], 43 [Specify where to find libclang header files, clang-c/Index.h ])], 44 [CLANG_INCLUDE_PATH="$withval"], 45 [CLANG_INLCUDE_PATH=""] 46 ) 47 AC_ARG_WITH([libclang-lib], [AS_HELP_STRING([--with-libclang-lib=<path>], 48 [Specify where to find libclang binary, so/dylib/dll ])], 49 [CLANG_LIB_PATH="$withval"], 50 [CLANG_LIB_PATH=""] 51 ) 52 53 if test "x$with_libclang" != "xyes"; then 54 CLANG_INCLUDE_PATH="$with_libclang/include" 55 CLANG_LIB_PATH="$with_libclang/lib" 56 fi 57 58 if test "x$CLANG_INCLUDE_PATH" != "x"; then 59 LIBCLANG_CPPFLAGS="-I$CLANG_INCLUDE_PATH" 60 else 61 LIBCLANG_CPPFLAGS="" 62 fi 63 if test "x$CLANG_LIB_PATH" != "x"; then 64 LIBCLANG_LDFLAGS="-L$CLANG_LIB_PATH -Wl,-rpath,$CLANG_LIB_PATH" 65 else 66 LIBCLANG_LDFLAGS="" 67 fi 68 69 OLD_CPPFLAGS=$CPPFLAGS 70 OLD_LDFLAGS=$LDFLAGS 71 OLD_LIBS=$LIBS 72 73 CPPFLAGS="$LIBCLANG_CPPFLAGS" 74 LDFLAGS="$LIBCLANG_LDFLAGS" 75 LIBS="" 76 AC_CHECK_HEADER("clang-c/Index.h", [], [ENABLE_LIBCLANG="no"]) 77 if test "x$ENABLE_LIBCLANG" = "xyes"; then 78 AC_CHECK_LIB(clang, clang_getClangVersion, [], [ENABLE_LIBCLANG="no"]) 79 fi 80 81 if test "x$ENABLE_LIBCLANG" = "xno"; then 82 AC_MSG_NOTICE([Cannot locate libclang! You can download pre-built llvm 83 binary from http://llvm.org/releases/download.html, then specify the 84 location using --with-libclang]) 85 fi 86 87 LIBCLANG_LIBS="$LIBS" 88 89 LIBS="$OLD_LIBS" 90 LDFLAGS="$OLD_LDFLAGS" 91 CPPFLAGS="$OLD_CPPFLAGS" 92 fi 93 94 if test "x$ENABLE_LIBCLANG" = "xno"; then 95 CLANG_INCLUDE_PATH="" 96 CLANG_LIB_PATH="" 97 LIBCLANG_CPPFLAGS="" 98 LIBCLANG_LDFLAGS="" 99 LIBCLANG_LIBS="" 100 fi 101 102 AC_SUBST(ENABLE_LIBCLANG) 103 AC_SUBST(CLANG_INCLUDE_PATH) 104 AC_SUBST(CLANG_LIB_PATH) 105 AC_SUBST(LIBCLANG_CPPFLAGS) 106 AC_SUBST(LIBCLANG_LDFLAGS) 107 AC_SUBST(LIBCLANG_LIBS) 108 ])