and isl_pw_aff_tdiv_q and isl_pw_aff_tdiv_r

[platform/upstream/isl.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index f84ee54..59f0c91 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -6,6 +6,18 @@ m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
 AC_SUBST(versioninfo)
 versioninfo=10:0:0
 
+if test "x$prefix" != "xNONE"; then
+       prefix_wd=`cd $prefix && pwd`
+       srcdir_wd=`cd $srcdir && pwd`
+       wd=`pwd`
+       if test "x$prefix_wd" = "x$srcdir_wd"; then
+               AC_MSG_ERROR(Installation in source directory not supported)
+       fi
+       if test "x$prefix_wd" = "x$wd"; then
+               AC_MSG_ERROR(Installation in build directory not supported)
+       fi
+fi
+
 AC_PROG_CC
 AC_PROG_CXX
 
@@ -113,7 +125,8 @@ system)
        fi
        CLANG_CXXFLAGS=`$llvm_config --cxxflags`
        CLANG_LDFLAGS=`$llvm_config --ldflags`
-       CLANG_LIBS=`$llvm_config --libs analysis`
+       targets=`$llvm_config --targets-built`
+       CLANG_LIBS=`$llvm_config --libs $targets asmparser support mc`
        CLANG_PREFIX=`$llvm_config --prefix`
        AC_DEFINE_UNQUOTED(CLANG_PREFIX, ["$CLANG_PREFIX"],
                                [Clang installation prefix])