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Unify all of the code for floating point +,-,*,/ into one function
[oota-llvm.git] / autoconf / configure.ac
diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index ef2392f61f6af491dd691bf9dd03f54cb1830aae..3a3dfd881c0330b7207aca28d81913575cec15b4 100644 (file)
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -1,21 +1,5 @@
-dnl Autoconf requirements
-dnl AC_INIT(package, version, bug-report-address)
-dnl information on the package
-dnl checks for programs
-dnl checks for libraries
-dnl checks for header files
-dnl checks for types
-dnl checks for structures
-dnl checks for compiler characteristics
-dnl checks for library functions
-dnl checks for system services
-dnl AC_CONFIG_FILES([file...])
-dnl AC_OUTPUT
-
-dnl **************************************************************************
-dnl * Initialize
-dnl **************************************************************************
-AC_INIT([[[LLVM]]],[[[1.0]]],[llvmbugs@cs.uiuc.edu])
+dnl Initialize autoconf
+AC_INIT([[[LLVM]]],[[[1.1]]],[llvmbugs@cs.uiuc.edu])
 
 dnl Place all of the extra autoconf files into the config subdirectory
 AC_CONFIG_AUX_DIR([autoconf])
 
 dnl Place all of the extra autoconf files into the config subdirectory
 AC_CONFIG_AUX_DIR([autoconf])
@@ -30,67 +14,24 @@ then
        fi
 fi
 
        fi
 fi
 
-if test -d ${srcdir}/projects/reopt
-then
-  AC_CONFIG_SUBDIRS(projects/reopt)
-fi
-
-if test -d ${srcdir}/projects/poolalloc
-then
-  AC_CONFIG_SUBDIRS(projects/poolalloc)
-fi
+dnl Configure all of the projects present in our source tree.
+for i in `ls ${srcdir}/projects`
+do
+  if test ${i} != "CVS"
+  then
+    if test -f ${srcdir}/projects/${i}/configure
+    then
+      AC_CONFIG_SUBDIRS(projects/${i})
+    fi
+  fi
+done
 
 dnl Configure a header file
 AC_CONFIG_HEADERS(include/Config/config.h)
 AC_CONFIG_MAKEFILE(Makefile)
 AC_CONFIG_MAKEFILE(Makefile.common)
 
 dnl Configure a header file
 AC_CONFIG_HEADERS(include/Config/config.h)
 AC_CONFIG_MAKEFILE(Makefile)
 AC_CONFIG_MAKEFILE(Makefile.common)
-AC_CONFIG_MAKEFILE(Makefile.rules)
 AC_CONFIG_MAKEFILE(lib/Makefile)
 AC_CONFIG_MAKEFILE(lib/Makefile)
-AC_CONFIG_MAKEFILE(lib/Analysis/Makefile)
-AC_CONFIG_MAKEFILE(lib/Analysis/DataStructure/Makefile)
-AC_CONFIG_MAKEFILE(lib/Analysis/IPA/Makefile)
-AC_CONFIG_MAKEFILE(lib/Analysis/LiveVar/Makefile)
-AC_CONFIG_MAKEFILE(lib/AsmParser/Makefile)
-AC_CONFIG_MAKEFILE(lib/Bytecode/Makefile)
-AC_CONFIG_MAKEFILE(lib/Bytecode/Reader/Makefile)
-AC_CONFIG_MAKEFILE(lib/Bytecode/Writer/Makefile)
-AC_CONFIG_MAKEFILE(lib/CWriter/Makefile)
-AC_CONFIG_MAKEFILE(lib/CodeGen/Makefile)
-AC_CONFIG_MAKEFILE(lib/CodeGen/InstrSched/Makefile)
-AC_CONFIG_MAKEFILE(lib/CodeGen/InstrSelection/Makefile)
-AC_CONFIG_MAKEFILE(lib/CodeGen/ModuloScheduling/Makefile)
-AC_CONFIG_MAKEFILE(lib/CodeGen/RegAlloc/Makefile)
-AC_CONFIG_MAKEFILE(lib/CodeGen/SelectionDAG/Makefile)
-AC_CONFIG_MAKEFILE(lib/ExecutionEngine/Makefile)
-AC_CONFIG_MAKEFILE(lib/ExecutionEngine/Interpreter/Makefile)
-AC_CONFIG_MAKEFILE(lib/ExecutionEngine/JIT/Makefile)
-AC_CONFIG_MAKEFILE(lib/Support/Makefile)
-AC_CONFIG_MAKEFILE(lib/Target/Makefile)
-AC_CONFIG_MAKEFILE(lib/Target/Sparc/Makefile)
-AC_CONFIG_MAKEFILE(lib/Target/X86/Makefile)
-AC_CONFIG_MAKEFILE(lib/Transforms/Makefile)
-AC_CONFIG_MAKEFILE(lib/Transforms/Hello/Makefile)
-AC_CONFIG_MAKEFILE(lib/Transforms/IPO/Makefile)
-AC_CONFIG_MAKEFILE(lib/Transforms/Instrumentation/Makefile)
-AC_CONFIG_MAKEFILE(lib/Transforms/Instrumentation/ProfilePaths/Makefile)
-AC_CONFIG_MAKEFILE(lib/Transforms/Scalar/Makefile)
-AC_CONFIG_MAKEFILE(lib/Transforms/Utils/Makefile)
-AC_CONFIG_MAKEFILE(lib/VMCore/Makefile)
 AC_CONFIG_MAKEFILE(runtime/Makefile)
 AC_CONFIG_MAKEFILE(runtime/Makefile)
-AC_CONFIG_MAKEFILE(runtime/GCCLibraries/Makefile)
-AC_CONFIG_MAKEFILE(runtime/GCCLibraries/crtend/Makefile)
-AC_CONFIG_MAKEFILE(runtime/GCCLibraries/libc/Makefile)
-AC_CONFIG_MAKEFILE(runtime/GCCLibraries/libcurses/Makefile)
-AC_CONFIG_MAKEFILE(runtime/GCCLibraries/libg/Makefile)
-AC_CONFIG_MAKEFILE(runtime/GCCLibraries/libgcc/Makefile)
-AC_CONFIG_MAKEFILE(runtime/GCCLibraries/libm/Makefile)
-AC_CONFIG_MAKEFILE(runtime/GCCLibraries/libmalloc/Makefile)
-AC_CONFIG_MAKEFILE(runtime/GCCLibraries/libtermcap/Makefile)
-AC_CONFIG_MAKEFILE(runtime/GCCLibraries/libucb/Makefile)
-AC_CONFIG_MAKEFILE(runtime/GCCLibraries/libutempter/Makefile)
-AC_CONFIG_MAKEFILE(runtime/GCCLibraries/libutil/Makefile)
-AC_CONFIG_MAKEFILE(runtime/libdummy/Makefile)
-AC_CONFIG_MAKEFILE(runtime/libtrace/Makefile)
 AC_CONFIG_MAKEFILE(test/Makefile)
 AC_CONFIG_MAKEFILE(test/Makefile.tests)
 AC_CONFIG_MAKEFILE(test/QMTest/llvm.py)
 AC_CONFIG_MAKEFILE(test/Makefile)
 AC_CONFIG_MAKEFILE(test/Makefile.tests)
 AC_CONFIG_MAKEFILE(test/QMTest/llvm.py)
@@ -99,7 +40,6 @@ AC_CONFIG_MAKEFILE(test/Programs/Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/Makefile.programs)
 AC_CONFIG_MAKEFILE(test/Programs/TEST.aa.Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/TEST.dsgraph.report)
 AC_CONFIG_MAKEFILE(test/Programs/Makefile.programs)
 AC_CONFIG_MAKEFILE(test/Programs/TEST.aa.Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/TEST.dsgraph.report)
-AC_CONFIG_MAKEFILE(test/Programs/TEST.micro.report)
 AC_CONFIG_MAKEFILE(test/Programs/TEST.aa.report)
 AC_CONFIG_MAKEFILE(test/Programs/TEST.example.Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/TEST.nightly.Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/TEST.aa.report)
 AC_CONFIG_MAKEFILE(test/Programs/TEST.example.Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/TEST.nightly.Makefile)
@@ -110,166 +50,90 @@ AC_CONFIG_MAKEFILE(test/Programs/TEST.dsgraph.Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/TEST.jit.report)
 AC_CONFIG_MAKEFILE(test/Programs/TEST.typesafe.Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/TEST.dsgraph.gnuplot)
 AC_CONFIG_MAKEFILE(test/Programs/TEST.jit.report)
 AC_CONFIG_MAKEFILE(test/Programs/TEST.typesafe.Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/TEST.dsgraph.gnuplot)
-AC_CONFIG_MAKEFILE(test/Programs/TEST.micro.Makefile)
+AC_CONFIG_MAKEFILE(test/Programs/TEST.vtl.Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/External/Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/Makefile.spec)
 AC_CONFIG_MAKEFILE(test/Programs/External/Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/Makefile.spec)
-AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/CFP2000/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/CFP2000/177.mesa/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/CFP2000/179.art/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/CFP2000/183.equake/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/CFP2000/188.ammp/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/CINT2000/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/CINT2000/164.gzip/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/CINT2000/175.vpr/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/CINT2000/176.gcc/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/CINT2000/181.mcf/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/CINT2000/186.crafty/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/CINT2000/197.parser/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/CINT2000/254.gap/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/CINT2000/255.vortex/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/CINT2000/256.bzip2/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/CINT2000/300.twolf/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/LLVMSource/Makefile)
+AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/Makefile.spec2000)
+AC_CONFIG_MAKEFILE(test/Programs/External/SPEC/Makefile.spec95)
 AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Makefile.multisrc)
 AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Makefile.multisrc)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Applications/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Applications/Burg/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Applications/aha/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Applications/sgefa/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/Fhourstones/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/McCat/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/McCat/01-qbsort/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/McCat/03-testtrie/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/McCat/04-bisect/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/McCat/05-eks/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/McCat/08-main/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/McCat/09-vor/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/McCat/12-IOtest/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/McCat/15-trie/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/McCat/17-bintr/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/McCat/18-imp/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/Olden/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/Olden/bh/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/Olden/bisort/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/Olden/em3d/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/Olden/health/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/Olden/mst/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/Olden/perimeter/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/Olden/power/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/Olden/treeadd/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/Olden/tsp/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/Olden/voronoi/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/OptimizerEval/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/Ptrdist/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/Ptrdist/anagram/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/Ptrdist/bc/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/Ptrdist/ft/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/Ptrdist/ks/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/Ptrdist/yacr2/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/llubenchmark/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/sim/Makefile)
+AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/FreeBench/analyzer/test.in)
+AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/FreeBench/distray/Makefile)
+AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/FreeBench/distray/test.in)
+AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/FreeBench/fourinarow/Makefile)
+AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/FreeBench/fourinarow/test.in)
+AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/FreeBench/mason/Makefile)
+AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/FreeBench/mason/test.in)
+AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/FreeBench/neural/Makefile)
+AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/FreeBench/neural/test.in)
+AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/FreeBench/pcompress2/Makefile)
+AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/FreeBench/pcompress2/test.in)
+AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/FreeBench/pifft/Makefile)
+AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Benchmarks/FreeBench/pifft/test.in)
 AC_CONFIG_MAKEFILE(test/Programs/SingleSource/Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/SingleSource/Makefile.singlesrc)
 AC_CONFIG_MAKEFILE(test/Programs/SingleSource/Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/SingleSource/Makefile.singlesrc)
-AC_CONFIG_MAKEFILE(test/Programs/SingleSource/Gizmos/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/SingleSource/Benchmarks/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/SingleSource/Benchmarks/Dhrystone/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/SingleSource/Benchmarks/Shootout/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/SingleSource/Benchmarks/Stanford/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/SingleSource/Benchmarks/Misc/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/SingleSource/CustomChecked/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/SingleSource/UnitTests/Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/SingleSource/UnitTests/SetjmpLongjmp/Makefile)
 AC_CONFIG_MAKEFILE(test/Programs/SingleSource/UnitTests/SetjmpLongjmp/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/SingleSource/Regression/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/SingleSource/Regression/C/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/SingleSource/Regression/C++/Makefile)
-AC_CONFIG_MAKEFILE(test/Programs/SingleSource/Regression/C++/EH/Makefile)
 AC_CONFIG_MAKEFILE(tools/Makefile)
 AC_CONFIG_MAKEFILE(tools/Makefile)
-AC_CONFIG_MAKEFILE(tools/analyze/Makefile)
-AC_CONFIG_MAKEFILE(tools/bugpoint/Makefile)
-AC_CONFIG_MAKEFILE(tools/extract/Makefile)
-AC_CONFIG_MAKEFILE(tools/gccas/Makefile)
-AC_CONFIG_MAKEFILE(tools/gccld/Makefile)
-AC_CONFIG_MAKEFILE(tools/llc/Makefile)
-AC_CONFIG_MAKEFILE(tools/llee/Makefile)
-AC_CONFIG_MAKEFILE(tools/lli/Makefile)
-AC_CONFIG_MAKEFILE(tools/llvm-ar/Makefile)
-AC_CONFIG_MAKEFILE(tools/llvm-as/Makefile)
-AC_CONFIG_MAKEFILE(tools/llvm-dis/Makefile)
-AC_CONFIG_MAKEFILE(tools/llvm-link/Makefile)
-AC_CONFIG_MAKEFILE(tools/opt/Makefile)
 AC_CONFIG_MAKEFILE(utils/Makefile)
 AC_CONFIG_MAKEFILE(utils/Makefile)
-AC_CONFIG_MAKEFILE(utils/Burg/Makefile)
-AC_CONFIG_MAKEFILE(utils/Burg/Doc/Makefile)
-AC_CONFIG_MAKEFILE(utils/TableGen/Makefile)
 AC_CONFIG_MAKEFILE(projects/Makefile)
 AC_CONFIG_MAKEFILE(projects/Makefile)
-AC_CONFIG_MAKEFILE(projects/sample/Makefile)
-AC_CONFIG_MAKEFILE(projects/sample/Makefile.common)
-AC_CONFIG_MAKEFILE(projects/sample/Makefile.config)
-AC_CONFIG_MAKEFILE(projects/sample/lib/Makefile)
-AC_CONFIG_MAKEFILE(projects/sample/lib/sample/Makefile)
-AC_CONFIG_MAKEFILE(projects/sample/tools/Makefile)
-AC_CONFIG_MAKEFILE(projects/sample/tools/sample/Makefile)
-AC_CONFIG_MAKEFILE(projects/ModuleMaker/Makefile)
-AC_CONFIG_MAKEFILE(projects/ModuleMaker/Makefile.common)
-AC_CONFIG_MAKEFILE(projects/ModuleMaker/tools/Makefile)
-AC_CONFIG_MAKEFILE(projects/ModuleMaker/tools/ModuleMaker/Makefile)
-
-dnl **************************************************************************
-dnl * Determine which system we are building on
-dnl **************************************************************************
-
-dnl Check the install program (needs to be done before canonical stuff)
+
+dnl Find the install program (needs to be done before canonical stuff)
 AC_PROG_INSTALL
 
 dnl Check which host for which we're compiling.  This will tell us which LLVM
 dnl compiler will be used for compiling SSA into object code.
 AC_CANONICAL_TARGET
 
 AC_PROG_INSTALL
 
 dnl Check which host for which we're compiling.  This will tell us which LLVM
 dnl compiler will be used for compiling SSA into object code.
 AC_CANONICAL_TARGET
 
-dnl
-dnl Now, for some of our own magic:
+dnl Set the "OS" Makefile variable based on the system we are building on.
 dnl We will use the build machine information to set some variables.
 dnl We will use the build machine information to set some variables.
-dnl
 case $build in
 case $build in
-       *i*86*)  AC_SUBST(OS,[Linux])
-                AC_SUBST(LLVMGCCDIR,[/home/vadve/lattner/local/x86/llvm-gcc/])
+       *-*-linux*)
+             AC_SUBST(OS,[Linux])
+                        if test -d /home/vadve/lattner/local/x86/llvm-gcc
+                        then
+                          AC_SUBST(LLVMGCCDIR,[/home/vadve/lattner/local/x86/llvm-gcc/])
+                        fi
                 ;;
 
                 ;;
 
-       *sparc*) AC_SUBST(OS,[SunOS])
-                AC_SUBST(LLVMGCCDIR,[/home/vadve/lattner/local/sparc/llvm-gcc/])
+       *-*-solaris*)
+             AC_SUBST(OS,[SunOS])
+                        if test -d /home/vadve/lattner/local/sparc/llvm-gcc
+                        then
+                  AC_SUBST(LLVMGCCDIR,[/home/vadve/lattner/local/sparc/llvm-gcc/])
+                        fi
+                ;;
+
+       *-*-darwin*)
+             AC_SUBST(OS,[Darwin])
                 ;;
 
        *)       AC_SUBST(OS,[Unknown])
                 ;;
 esac
 
                 ;;
 
        *)       AC_SUBST(OS,[Unknown])
                 ;;
 esac
 
-dnl
 dnl If we are targetting a Sparc machine running Solaris, pretend that it is
 dnl V9, since that is all that we support at the moment, and autoconf will only
 dnl tell us we're a sparc.
 dnl If we are targetting a Sparc machine running Solaris, pretend that it is
 dnl V9, since that is all that we support at the moment, and autoconf will only
 dnl tell us we're a sparc.
-dnl
 case $target in
 case $target in
-       *sparc*solaris*)  AC_SUBST(target,[[sparcv9-sun-solaris2.8]])
-                         ;;
+       sparc*-*-solaris*)  AC_SUBST(target,[[sparcv9-sun-solaris2.8]])
+                           ;;
 esac
 
 esac
 
-dnl
 dnl Determine what our target architecture is and configure accordingly.
 dnl This will allow Makefiles to make a distinction between the hardware and
 dnl the OS.
 dnl Determine what our target architecture is and configure accordingly.
 dnl This will allow Makefiles to make a distinction between the hardware and
 dnl the OS.
-dnl
 case $target in
 case $target in
-       *i*86*)           AC_SUBST(ARCH,[x86])
+       i*86-*)           AC_SUBST(ARCH,[x86])
+                         ;;
+       sparc*-*)         AC_SUBST(ARCH,[Sparc])
                          ;;
                          ;;
-       *sparc*solaris*)  AC_SUBST(ARCH,[Sparc])
+       powerpc*-*)       AC_SUBST(ARCH,[PowerPC])
+                         ;;
+       *)                AC_SUBST(ARCH,[Unknown])
                          ;;
 esac
 
                          ;;
 esac
 
-dnl **************************************************************************
-dnl * Check for programs.
-dnl **************************************************************************
-
 dnl Check for compilation tools
 AC_PROG_CXX
 AC_PROG_CC(gcc)
 dnl Check for compilation tools
 AC_PROG_CXX
 AC_PROG_CC(gcc)
@@ -280,7 +144,6 @@ if test "$GCC" != "yes"
 then
        AC_MSG_ERROR([gcc required but not found])
 fi
 then
        AC_MSG_ERROR([gcc required but not found])
 fi
-
 if test "$GXX" != "yes"
 then
        AC_MSG_ERROR([g++ required but not found])
 if test "$GXX" != "yes"
 then
        AC_MSG_ERROR([g++ required but not found])
@@ -290,86 +153,41 @@ dnl Verify that GCC is version 3.0 or higher
 gccmajor=`$CC --version | head -n 1 | awk '{print $NF;}' | cut -d. -f1`
 if test "$gccmajor" -lt "3"
 then
 gccmajor=`$CC --version | head -n 1 | awk '{print $NF;}' | cut -d. -f1`
 if test "$gccmajor" -lt "3"
 then
-       AC_MSG_ERROR([gcc 3.x required])
+       AC_MSG_ERROR([gcc 3.x required, but you have a lower version])
 fi
 
 fi
 
-dnl Check for GNU Make.  We use its extensions to, so don't build without it
+dnl Check for GNU Make.  We use its extensions too, so don't build without it
 CHECK_GNU_MAKE
 if test -z "$_cv_gnu_make_command"
 then
        AC_MSG_ERROR([GNU Make required but not found])
 fi
 
 CHECK_GNU_MAKE
 if test -z "$_cv_gnu_make_command"
 then
        AC_MSG_ERROR([GNU Make required but not found])
 fi
 
-dnl Check for compiler-compiler tools (reminds me of Little Caesar's Pizza)
+dnl Checks for other tools
 AC_PROG_FLEX
 AC_PROG_BISON
 AC_PROG_FLEX
 AC_PROG_BISON
-
-dnl Check for libtool
 AC_PROG_LIBTOOL
 
 AC_PROG_LIBTOOL
 
-dnl Check for our special programs
-AC_PATH_PROG(RPWD,[pwd],[false])
-if test ${RPWD} = "false"
-then
-       AC_MSG_ERROR([pwd required but not found])
-fi
-
-AC_PATH_PROG(AR,[ar],[false])
-if test ${AR} = "false"
-then
-       AC_MSG_ERROR([ar required but not found])
-fi
-
-AC_PATH_PROG(SED,[sed],[false])
-if test ${SED} = "false"
-then
-       AC_MSG_ERROR([sed required but not found])
-fi
-
-AC_PATH_PROG(RM,[rm],[false])
-if test ${RM} = "false"
-then
-       AC_MSG_ERROR([rm required but not found])
-fi
-
-AC_PATH_PROG(ECHO,[echo],[false])
-if test ${ECHO} = "false"
-then
-       AC_MSG_ERROR([echo required but not found])
-fi
-
-AC_PATH_PROG(MKDIR,[mkdir],[false])
-if test ${MKDIR} = "false"
-then
-       AC_MSG_ERROR([mkdir required but not found])
-fi
-
-AC_PATH_PROG(DATE,[date],[false])
-if test ${DATE} = "false"
-then
-       AC_MSG_ERROR([date required but not found])
-fi
-
-AC_PATH_PROG(MV,[mv],[false])
-if test ${MV} = "false"
-then
-       AC_MSG_ERROR([mv required but not found])
-fi
-
-AC_PATH_PROG(DOT,[dot],[false])
-
-AC_PATH_PROG(ETAGS,[etags],[false])
-
-AC_PATH_PROG(PYTHON,[python],[false])
-if test ${PYTHON} = "false"
+dnl Checks for tools we can get away with not having:
+AC_PATH_PROG(DOT,[dot],[true dot])
+AC_PATH_PROG(ETAGS,[etags],[true etags])
+dnl Check if we know how to tell etags we are using C++:
+etags_version=`$ETAGS --version 2>&1`
+case "$etags_version" in
+       *[Ee]xuberant*) ETAGSFLAGS="--language-force=c++" ;;
+       *GNU\ Emacs*) ETAGSFLAGS="-l c++" ;;
+       *) ETAGSFLAGS="" ;;
+esac
+AC_SUBST(ETAGSFLAGS,$ETAGSFLAGS)
+AC_PATH_PROG(PYTHON,[python],[true python])
+if test "$PYTHON" = "false"
 then
 then
-       AC_MSG_WARN([python required but not found])
+       AC_MSG_WARN([Python is required for the test suite, but it was not found])
 fi
 fi
-
-AC_PATH_PROG(QMTEST,[qmtest],[false])
-if test ${QMTEST} = "false"
+AC_PATH_PROG(QMTEST,[qmtest],[true qmtest])
+if test "$QMTEST" = "false"
 then
 then
-       AC_MSG_WARN([qmtest required but not found])
+       AC_MSG_WARN([QMTest is required for the test suite, but it was not found])
 fi
 
 dnl Verify that the version of python available is high enough for qmtest
 fi
 
 dnl Verify that the version of python available is high enough for qmtest
@@ -383,20 +201,17 @@ then
        then
                if test "$pyminor" -lt "2"
                then
        then
                if test "$pyminor" -lt "2"
                then
-                       AC_MSG_ERROR([Python 2.2 or greater required])
+                       AC_MSG_WARN([QMTest requires Python 2.2 or later])
                fi
        fi
 else
                fi
        fi
 else
-       AC_MSG_ERROR([Python 2.2 or greater required])
+       AC_MSG_WARN([QMTest requires Python 2.2 or later])
 fi
 
 dnl Verify that the source directory is valid
 AC_CONFIG_SRCDIR(["Makefile.config.in"])
 
 fi
 
 dnl Verify that the source directory is valid
 AC_CONFIG_SRCDIR(["Makefile.config.in"])
 
-dnl **************************************************************************
-dnl * Check for libraries.
-dnl **************************************************************************
-
+dnl Checks for libraries:
 dnl libelf is for sparc only; we can ignore it if we don't have it
 AC_CHECK_LIB(elf, elf_begin)
 
 dnl libelf is for sparc only; we can ignore it if we don't have it
 AC_CHECK_LIB(elf, elf_begin)
 
@@ -406,44 +221,31 @@ AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],[Define if dlopen() is avai
 dnl mallinfo is optional; the code can compile (minus features) without it
 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],[Define if mallinfo() is available on this platform.]))
 
 dnl mallinfo is optional; the code can compile (minus features) without it
 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],[Define if mallinfo() is available on this platform.]))
 
-dnl
-dnl The math libraries are used by the test code, but not by the actual LLVM
-dnl code.
-dnl
-dnl AC_CHECK_LIB(m, cos)
-
-dnl **************************************************************************
-dnl * Checks for header files.
-dnl *  Chances are, if the standard C or POSIX type header files are missing,
-dnl *  then LLVM just isn't going to compile.  However, it is possible that
-dnl *  the necessary functions/macros will be included from other
-dnl *  (non-standard and non-obvious) header files.
-dnl *
-dnl *  So, we'll be gracious, give it a chance, and try to go on without
-dnl *  them.
-dnl **************************************************************************
+dnl pthread locking functions are optional - but llvm will not be thread-safe
+dnl without locks.
+AC_SEARCH_LIBS(pthread_mutex_lock,pthread,HAVE_PTHREAD_MUTEX_LOCK=1,HAVE_PTHREAD_MUTEX_LOCK=0)
+AC_SUBST(HAVE_PTHREAD_MUTEX_LOCK)
+
+dnl Checks for header files.
+dnl We don't check for ancient stuff or things that are guaranteed to be there
+dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
 AC_HEADER_STDC
 AC_HEADER_SYS_WAIT
 
 AC_HEADER_STDC
 AC_HEADER_SYS_WAIT
 
-dnl Check for ANSI C/POSIX header files
-AC_CHECK_HEADERS(assert.h fcntl.h limits.h sys/time.h unistd.h errno.h signal.h math.h)
-
-dnl Check for system specific header files
-AC_CHECK_HEADERS(malloc.h strings.h sys/mman.h sys/resource.h)
-
-dnl Check for header files associated with dlopen and friends
-AC_CHECK_HEADERS(dlfcn.h link.h)
-
-dnl **************************************************************************
-dnl * Checks for typedefs, structures, and compiler characteristics.
-dnl **************************************************************************
-
-dnl Check for const and inline keywords
-AC_C_CONST
-AC_C_INLINE
-
-dnl Check for machine endian-ness
-AC_C_BIGENDIAN(AC_DEFINE([ENDIAN_BIG],[],[Define if the machine is Big-Endian]),AC_DEFINE([ENDIAN_LITTLE],[],[Define if the machine is Little-Endian]))
+dnl Checks for POSIX and other various system-specific header files
+AC_CHECK_HEADERS(fcntl.h limits.h sys/time.h unistd.h malloc.h sys/mman.h sys/resource.h dlfcn.h link.h execinfo.h)
+
+dnl Check for things that need to be included in public headers, and so
+dnl for which we may not have access to a HAVE_* preprocessor #define.
+dnl (primarily used in DataTypes.h)
+AC_CHECK_HEADER([sys/types.h],
+                [INCLUDE_SYS_TYPES_H='#include <sys/types.h>'],
+                [INCLUDE_SYS_TYPES_H=''])
+AC_SUBST(INCLUDE_SYS_TYPES_H)
+AC_CHECK_HEADER([inttypes.h],
+                [INCLUDE_INTTYPES_H='#include <inttypes.h>'],
+                [INCLUDE_INTTYPES_H=''])
+AC_SUBST(INCLUDE_INTTYPES_H)
 
 dnl Check for types
 AC_TYPE_PID_T
 
 dnl Check for types
 AC_TYPE_PID_T
@@ -453,93 +255,116 @@ AC_CHECK_TYPES([uint64_t],,AC_MSG_ERROR([Type uint64_t required but not found]))
 AC_HEADER_TIME
 AC_STRUCT_TM
 
 AC_HEADER_TIME
 AC_STRUCT_TM
 
+dnl Check for various C features
+AC_C_PRINTF_A
+
+dnl Check for the endianness of the target
+AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
+
 dnl Check for C++ extensions
 dnl Check for C++ extensions
-AC_CXX_HAVE_EXT_HASH_MAP
-AC_CXX_HAVE_EXT_HASH_SET
-AC_CXX_HAVE_EXT_SLIST
+AC_CXX_HAVE_HASH_MAP
+AC_CXX_HAVE_HASH_SET
 AC_CXX_HAVE_STD_ITERATOR
 AC_CXX_HAVE_BI_ITERATOR
 AC_CXX_HAVE_FWD_ITERATOR
 
 AC_CXX_HAVE_STD_ITERATOR
 AC_CXX_HAVE_BI_ITERATOR
 AC_CXX_HAVE_FWD_ITERATOR
 
-dnl **************************************************************************
-dnl * Checks for library functions.
-dnl **************************************************************************
+dnl Checks for library functions.
 AC_FUNC_ALLOCA
 AC_FUNC_ALLOCA
-AC_PROG_GCC_TRADITIONAL
-AC_FUNC_MEMCMP
 AC_FUNC_MMAP
 AC_FUNC_MMAP
+if test "$ac_cv_func_mmap_fixed_mapped" = "no"
+then
+       AC_MSG_ERROR([mmap() required but not found])
+fi
 AC_FUNC_MMAP_FILE
 AC_FUNC_MMAP_FILE
-if test ${ac_cv_func_mmap_file} = "no"
+if test "$ac_cv_func_mmap_file" = "no"
 then
        AC_MSG_ERROR([mmap() of files required but not found])
 fi
 AC_HEADER_MMAP_ANONYMOUS
 AC_TYPE_SIGNAL
 then
        AC_MSG_ERROR([mmap() of files required but not found])
 fi
 AC_HEADER_MMAP_ANONYMOUS
 AC_TYPE_SIGNAL
-AC_CHECK_FUNCS(getcwd gettimeofday strcspn strdup strerror strspn strstr strtod strtol strtoq strtoll strsignal)
-AC_CHECK_DECLS([sys_siglist],[],[],[
-#if HAVE_SIGNAL_H
-#include <signal.h>
-#endif])
-
-dnl
-dnl Need to check mmap for MAP_PRIVATE, MAP_ANONYMOUS, MAP_ANON, MAP_FIXED
-dnl MAP_FIXED is only needed for Sparc
-dnl MAP_ANON is used for Sparc and BSD
-dnl Everyone should have MAP_PRIVATE
-dnl
-
-dnl Check for certain functions (even if we've already found them) so that we
-dnl can quit with an error if they are unavailable.
-dnl
-dnl As the code is made more portable (i.e. less reliant on these functions,
-dnl these checks should go away.
-AC_CHECK_FUNC(mmap,,AC_MSG_ERROR([Function mmap() required but not found]))
+AC_CHECK_FUNCS(getcwd gettimeofday strdup strtoq strtoll backtrace isatty)
 AC_CHECK_FUNC(mprotect,,AC_MSG_ERROR([Function mprotect() required but not found]))
 
 AC_CHECK_FUNC(mprotect,,AC_MSG_ERROR([Function mprotect() required but not found]))
 
-dnl **************************************************************************
-dnl * Enable various compile-time options
-dnl **************************************************************************
+dnl Determine if the linker supports the -R option.
+AC_LINK_USE_R
 
 
-dnl Purify Option
-AC_ARG_ENABLE(purify,AC_HELP_STRING([--enable-purify],[Compile with purify (default is NO)]),,enableval="no")
+dnl --enable/--with command-line options:
+dnl Check whether they want to do an optimized build:
+AC_ARG_ENABLE(optimized,AC_HELP_STRING([--enable-optimized],[Compile with optimizations enabled (default is NO)]),,enableval=no)
 if test ${enableval} = "no"
 then
 if test ${enableval} = "no"
 then
-       AC_SUBST(ENABLE_PURIFY,[[]])
+       AC_SUBST(ENABLE_OPTIMIZED,[[]])
 else
 else
-       AC_SUBST(ENABLE_PURIFY,[[ENABLE_PURIFY=1]])
+       AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
 fi
 
 fi
 
-dnl Optimized Option
-AC_ARG_ENABLE(optimized,AC_HELP_STRING([--enable-optimized],[Compile with optimizations enabled (default is NO)]),,enableval=no)
+dnl Spec 2000 Benchmarks
+AC_ARG_ENABLE(spec2000,AC_HELP_STRING([--enable-spec2000],[Compile SPEC 2000 benchmarks (default is NO)]),,enableval=no)
 if test ${enableval} = "no"
 then
 if test ${enableval} = "no"
 then
-       AC_SUBST(ENABLE_OPTIMIZED,[[]])
+       if test -d /home/vadve/shared/benchmarks/speccpu2000/benchspec
+       then
+               AC_SUBST(SPEC2000_ROOT,[/home/vadve/shared/benchmarks/speccpu2000/benchspec])
+               AC_SUBST(USE_SPEC2000,[[USE_SPEC2000=1]])
+       else
+               AC_SUBST(USE_SPEC2000,[[]])
+               AC_SUBST(SPEC2000_ROOT,[])
+       fi
 else
 else
-       AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
+       if test ${enableval} = ""
+       then
+               AC_SUBST(SPEC2000_ROOT,[/home/vadve/shared/benchmarks/speccpu2000/benchspec])
+       else
+               AC_SUBST(SPEC2000_ROOT,[${enableval}])
+       fi
+       AC_SUBST(USE_SPEC2000,[[USE_SPEC2000=1]])
 fi
 
 fi
 
-dnl Spec Benchmarks
-AC_ARG_ENABLE(spec2000,AC_HELP_STRING([--enable-spec],[Compile SPEC 2000 benchmarks (default is NO)]),,enableval=no)
+dnl Spec 95 Benchmarks
+AC_ARG_ENABLE(spec95,AC_HELP_STRING([--enable-spec95],[Compile SPEC 95 benchmarks (default is NO)]),,enableval=no)
 if test ${enableval} = "no"
 then
 if test ${enableval} = "no"
 then
-       if test -d /home/vadve/shared/benchmarks/speccpu2000/benchspec
+       if test -d /home/vadve/shared/benchmarks/spec95/benchspec
        then
        then
-               AC_SUBST(SPEC_ROOT,[/home/vadve/shared/benchmarks/speccpu2000/benchspec])
-               AC_SUBST(USE_SPEC,[[USE_SPEC=1]])
+               AC_SUBST(SPEC95_ROOT,[/home/vadve/shared/benchmarks/spec95/benchspec])
+               AC_SUBST(USE_SPEC95,[[USE_SPEC95=1]])
        else
        else
-               AC_SUBST(USE_SPEC,[[]])
-               AC_SUBST(SPEC_ROOT,[])
+               AC_SUBST(USE_SPEC95,[[]])
+               AC_SUBST(SPEC95_ROOT,[])
        fi
 else
        if test ${enableval} = ""
        then
        fi
 else
        if test ${enableval} = ""
        then
-               AC_SUBST(SPEC_ROOT,[/home/vadve/shared/benchmarks/speccpu2000/benchspec])
+               AC_SUBST(SPEC95_ROOT,[/home/vadve/shared/benchmarks/spec95/benchspec])
        else
        else
-               AC_SUBST(SPEC_ROOT,[${enableval}])
+               AC_SUBST(SPEC95_ROOT,[${enableval}])
        fi
        fi
-       AC_SUBST(USE_SPEC,[[USE_SPEC=1]])
+       AC_SUBST(USE_SPEC95,[[USE_SPEC95=1]])
 fi
 
 fi
 
+dnl Povray External Benchmark
+AC_ARG_ENABLE(povray,AC_HELP_STRING([--enable-povray],[Compile Povray benchmark (default is NO)]),,enableval=no)
+if test ${enableval} = "no"
+then
+       if test -d /home/vadve/shared/benchmarks/povray31
+       then
+               AC_SUBST(POVRAY_ROOT,[/home/vadve/shared/benchmarks/povray31])
+               AC_SUBST(USE_POVRAY,[[USE_POVRAY=1]])
+       else
+               AC_SUBST(USE_POVRAY,[[]])
+               AC_SUBST(POVRAY_ROOT,[])
+       fi
+else
+       if test ${enableval} = ""
+       then
+               AC_SUBST(POVRAY_ROOT,[/home/vadve/shared/benchmarks/povray31])
+       else
+               AC_SUBST(POVRAY_ROOT,[${enableval}])
+       fi
+       AC_SUBST(USE_POVRAY,[[USE_POVRAY=1]])
+fi
+
+
 dnl Precompiled Bytecode Option
 AC_ARG_ENABLE(precompiled_bytecode,AC_HELP_STRING([--enable-precompiled_bytecode],[Use pre-compiled bytecode (default is NO)]),,enableval=no)
 if test ${enableval} = "no"
 dnl Precompiled Bytecode Option
 AC_ARG_ENABLE(precompiled_bytecode,AC_HELP_STRING([--enable-precompiled_bytecode],[Use pre-compiled bytecode (default is NO)]),,enableval=no)
 if test ${enableval} = "no"
@@ -549,7 +374,6 @@ else
        AC_SUBST(UPB,[[USE_PRECOMPILED_BYTECODE=1]])
 fi
 
        AC_SUBST(UPB,[[USE_PRECOMPILED_BYTECODE=1]])
 fi
 
-
 dnl LLC Diff Option
 AC_ARG_ENABLE(llc_diffs,AC_HELP_STRING([--enable-llc_diffs],[Enable LLC Diffs when testing (default is YES)]),,enableval=yes)
 if test ${enableval} = "no"
 dnl LLC Diff Option
 AC_ARG_ENABLE(llc_diffs,AC_HELP_STRING([--enable-llc_diffs],[Enable LLC Diffs when testing (default is YES)]),,enableval=yes)
 if test ${enableval} = "no"
@@ -561,7 +385,6 @@ fi
 
 dnl JIT Option
 AC_ARG_ENABLE(jit,AC_HELP_STRING([--enable-jit],[Enable Just In Time Compiling (default is YES)]),,enableval=default)
 
 dnl JIT Option
 AC_ARG_ENABLE(jit,AC_HELP_STRING([--enable-jit],[Enable Just In Time Compiling (default is YES)]),,enableval=default)
-
 if test ${enableval} = "no"
 then
        AC_SUBST(JIT,[[]])
 if test ${enableval} = "no"
 then
        AC_SUBST(JIT,[[]])
@@ -579,12 +402,44 @@ else
        esac
 fi
 
        esac
 fi
 
-dnl **************************************************************************
-dnl * Set the location of various third-party software packages
-dnl **************************************************************************
-
-dnl Location of the LLVM C front end
+dnl Find the LLVM GCC-based C/C++ front end
 AC_ARG_WITH(llvmgccdir,AC_HELP_STRING([--with-llvmgccdir],[Location of LLVM GCC front-end]),AC_SUBST(LLVMGCCDIR,[$withval]))
 AC_ARG_WITH(llvmgccdir,AC_HELP_STRING([--with-llvmgccdir],[Location of LLVM GCC front-end]),AC_SUBST(LLVMGCCDIR,[$withval]))
+AC_MSG_CHECKING([for llvm-gcc])
+LLVM_GCC_CHECK=no
+if test -d "$LLVMGCCDIR"
+then
+       if test -x "$LLVMGCCDIR/bin/gcc"
+       then
+               LLVM_GCC_CHECK="$LLVMGCCDIR/bin/gcc"
+       fi
+fi
+llvmgccwarn=no
+AC_MSG_RESULT($LLVM_GCC_CHECK)
+if test "$LLVM_GCC_CHECK" = "no"
+then
+    llvmgccwarn=yes
+fi
+AC_MSG_CHECKING([whether llvm-gcc is sane])
+LLVM_GCC_SANE=no
+if test -x "$LLVM_GCC_CHECK"
+then
+       cp /dev/null conftest.c
+    "$LLVM_GCC_CHECK" -S -o - conftest.c | grep implementation > /dev/null 2>&1
+       if test $? -eq 0
+       then
+               LLVM_GCC_SANE=yes
+       fi
+       rm conftest.c
+       llvmcc1path=`"$LLVM_GCC_CHECK" --print-prog-name=cc1`
+       AC_SUBST(LLVMCC1,$llvmcc1path)
+       llvmcc1pluspath=`"$LLVM_GCC_CHECK" --print-prog-name=cc1plus`
+       AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
+fi
+AC_MSG_RESULT($LLVM_GCC_SANE)
+if test "$LLVM_GCC_SANE" = "no"
+then
+       llvmgccwarn=yes
+fi
 
 dnl Location of the bytecode repository
 AC_ARG_WITH(bcrepos,AC_HELP_STRING([--with-bcrepos],[Location of Bytecode Repository]),AC_SUBST(BCR,[$withval]),AC_SUBST(BCR,[/home/vadve/lattner/LLVMPrograms]))
 
 dnl Location of the bytecode repository
 AC_ARG_WITH(bcrepos,AC_HELP_STRING([--with-bcrepos],[Location of Bytecode Repository]),AC_SUBST(BCR,[$withval]),AC_SUBST(BCR,[/home/vadve/lattner/LLVMPrograms]))
@@ -592,14 +447,32 @@ AC_ARG_WITH(bcrepos,AC_HELP_STRING([--with-bcrepos],[Location of Bytecode Reposi
 dnl Location of PAPI
 AC_ARG_WITH(papi,AC_HELP_STRING([--with-papi],[Location of PAPI]),AC_SUBST(PAPIDIR,[$withval]),AC_SUBST(PAPIDIR,[/home/vadve/shared/Sparc/papi-2.3.4.1]))
 
 dnl Location of PAPI
 AC_ARG_WITH(papi,AC_HELP_STRING([--with-papi],[Location of PAPI]),AC_SUBST(PAPIDIR,[$withval]),AC_SUBST(PAPIDIR,[/home/vadve/shared/Sparc/papi-2.3.4.1]))
 
-dnl Location of the purify program
-AC_ARG_WITH(purify,AC_HELP_STRING([--with-purify],[Location of purify program]),AC_SUBST(PURIFY,[$withval]))
-
-dnl **************************************************************************
-dnl * Configure other software packages (via AC_CONFIG_SUBDIRS)
-dnl **************************************************************************
+dnl Get libtool's idea of what the shared library suffix is.
+dnl (This is a hack; it relies on undocumented behavior.)
+AC_MSG_CHECKING([for shared library suffix])
+eval "SHLIBEXT=$shrext"
+AC_MSG_RESULT($SHLIBEXT)
+dnl Propagate it to the Makefiles and config.h (for gccld & bugpoint).
+AC_SUBST(SHLIBEXT,$SHLIBEXT)
+AC_DEFINE_UNQUOTED(SHLIBEXT,"$SHLIBEXT",
+                   [Extension that shared libraries have, e.g., ".so".])
+
+dnl Create the output files
+AC_OUTPUT(Makefile.config
+ include/Support/DataTypes.h
+ include/Support/ThreadSupport.h
+ include/Support/hash_map
+ include/Support/hash_set
+ include/Support/iterator)
+
+dnl Warn loudly if llvm-gcc was not obviously working
+if test $llvmgccwarn = yes
+then
+       AC_MSG_WARN([***** llvm C/C++ front end was not found, or does not])
+       AC_MSG_WARN([***** appear to be working.])
+       AC_MSG_WARN([***** ])
+       AC_MSG_WARN([***** Please check configure's --with-llvmgccdir option.])
+       AC_MSG_WARN([***** Runtime libraries (in llvm/runtime) will not be built,])
+       AC_MSG_WARN([***** but you should be able to build the llvm tools.])
+fi
 
 
-dnl **************************************************************************
-dnl * Create the output files
-dnl **************************************************************************
-AC_OUTPUT(Makefile.config)
C/C++ LLVM-based compilers that forbids OOTA behaviors