add support for multiple include directories

[oota-llvm.git] / autoconf / configure.ac

diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index 189503923468458ed2c8b3fdab03e41011b1e1ec..531f72b1c554a8acb2a3d8f7b8698d9cd8ac0e71 100644 (file)
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -258,7 +258,7 @@ AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-target],
     [Build specific host targets: all,host-only,{target-name} (default=all)]),,
     enableval=all)
 case "$enableval" in
-  all) TARGETS_TO_BUILD="X86 Sparc SparcV9 PowerPC Alpha IA64 Skeleton" ;;
+  all) TARGETS_TO_BUILD="X86 Sparc SparcV9 PowerPC Alpha IA64" ;;
   host-only)
     case "$llvm_cv_target_arch" in
       x86)     TARGETS_TO_BUILD="X86" ;;
@@ -278,7 +278,6 @@ case "$enableval" in
         powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
         alpha)   TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
         ia64)    TARGETS_TO_BUILD="IA64 $TARGETS_TO_BUILD" ;;
-        skeleton)TARGETS_TO_BUILD="Skeleton $TARGETS_TO_BUILD";;
         *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
       esac
   done 
@@ -412,6 +411,17 @@ case $CC in
     ;;
 esac
 
+if test "$GCC" != "yes" && test "$ICC" != "yes"
+then
+  AC_MSG_ERROR([gcc|icc required but not found])
+fi
+
+dnl Ensure that compilation tools are GCC; we use GCC specific extensions
+if test "$GXX" != "yes" && test "$IXX" != "yes"
+then
+  AC_MSG_ERROR([g++|icc required but not found])
+fi
+
 dnl Verify that GCC is version 3.0 or higher
 if test "$GCC" = "yes"
 then
@@ -558,7 +568,7 @@ AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
 [llvm_cv_llvmgcc_sanity="no"
 if test -x "$LLVMGCC" ; then
   cp /dev/null conftest.c
-  "$LLVMGCC" -S -o - conftest.c | grep implementation > /dev/null 2>&1
+  "$LLVMGCC" -emit-llvm -S -o - conftest.c | grep implementation > /dev/null 2>&1
   if test $? -eq 0 ; then
     llvm_cv_llvmgcc_sanity="yes"
   fi