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llvm/autoconf/configure.ac
Brian Gaeke 26be9c5350 Remove and/or shorten many comments in configure.ac. 
Remove checks for many common Unix programs. Our build process currently
assumes they are there and makes no provisions for any other world-views.
(We can add some of these checks back at some later time if it should prove
useful, but right now, we do not need to check to see whether "rm" exists.)

Remove checks for many common standard C headers and functions. We assume
ISO/ANSI C++, and we always use the <cfoo> versions of ANSI C's <foo.h>
headers, so these checks will not help anything.

Edit configure's warning messages for clarity and content.

Change checks for "optional" programs to default to using "true" instead of
"false", so that a failure to find, e.g., etags, will be less likely to result
in make failing.

No longer shall we check for --enable-purify or --with-purify options.
No longer shall we propagate these to the Makefiles.

configure regenerated using autoconf-2.57.

Please feel free to send me any questions or comments you have. :-)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10814 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-13 06:43:16 +00:00

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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 Quit if the source directory has already been configured.
dnl NOTE: This relies upon undocumented autoconf behavior.
if test ${srcdir} != "."
then
if test -f ${srcdir}/include/Config/config.h
then
AC_MSG_ERROR([Already configured in ${srcdir}])
fi
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)
AC_CONFIG_MAKEFILE(lib/Makefile)
AC_CONFIG_MAKEFILE(runtime/Makefile)
AC_CONFIG_MAKEFILE(test/Makefile)
AC_CONFIG_MAKEFILE(test/Makefile.tests)
AC_CONFIG_MAKEFILE(test/QMTest/llvm.py)
AC_CONFIG_MAKEFILE(test/QMTest/llvmdb.py)
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/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.buildrepo.Makefile)
AC_CONFIG_MAKEFILE(test/Programs/TEST.jit.Makefile)
AC_CONFIG_MAKEFILE(test/Programs/TEST.nightly.report)
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.micro.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/MultiSource/Makefile)
AC_CONFIG_MAKEFILE(test/Programs/MultiSource/Makefile.multisrc)
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(tools/Makefile)
AC_CONFIG_MAKEFILE(utils/Makefile)
AC_CONFIG_MAKEFILE(projects/Makefile)
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
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.
case $build in
*-*-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
;;
*-*-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
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.
case $target in
sparc*-*-solaris*) AC_SUBST(target,[[sparcv9-sun-solaris2.8]])
;;
esac
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.
case $target in
i*86-*) AC_SUBST(ARCH,[x86])
;;
sparc*-*) AC_SUBST(ARCH,[Sparc])
;;
powerpc*-*) AC_SUBST(ARCH,[PowerPC])
;;
*) AC_SUBST(ARCH,[Unknown])
;;
esac
dnl Check for compilation tools
AC_PROG_CXX
AC_PROG_CC(gcc)
AC_PROG_CPP
dnl Ensure that compilation tools are GCC; we use GCC specific extensions
if test "$GCC" != "yes"
then
AC_MSG_ERROR([gcc required but not found])
fi
if test "$GXX" != "yes"
then
AC_MSG_ERROR([g++ required but not found])
fi
dnl Verify that GCC is version 3.0 or higher
gccmajor=`$CC --version | head -n 1 | awk '{print $NF;}' | cut -d. -f1`
if test "$gccmajor" -lt "3"
then
AC_MSG_ERROR([gcc 3.x required, but you have a lower version])
fi
dnl Check for GNU Make. We use its extensions too, so don't build without it
CHECK_GNU_MAKE
if test -z "$_cv_gnu_make_command"
then
AC_MSG_ERROR([GNU Make required but not found])
fi
dnl Checks for other tools
AC_PROG_FLEX
AC_PROG_BISON
AC_PROG_LIBTOOL
dnl Checks for tools we can get away with not having:
AC_PATH_PROG(DOT,[dot],[true dot])
AC_PATH_PROG(ETAGS,[etags],[true etags])
AC_PATH_PROG(PYTHON,[python],[true python])
if test "$PYTHON" = "false"
then
AC_MSG_WARN([Python is required for the test suite, but it was not found])
fi
AC_PATH_PROG(QMTEST,[qmtest],[true qmtest])
if test "$QMTEST" = "false"
then
AC_MSG_WARN([QMTest is required for the test suite, but it was not found])
fi
dnl Verify that the version of python available is high enough for qmtest
pyversion=`$PYTHON -V 2>&1 | cut -d\ -f2`
pymajor=`echo $pyversion | cut -d. -f1`
pyminor=`echo $pyversion | cut -d. -f2`
if test "$pymajor" -ge "2"
then
if test "$pymajor" -eq "2"
then
if test "$pyminor" -lt "2"
then
AC_MSG_WARN([QMTest requires Python 2.2 or later])
fi
fi
else
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"])
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 dlopen() is required for plugin support.
AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],[Define if dlopen() is available on this platform.]),AC_MSG_WARN([dlopen() not found - disabling plugin support]))
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 pthread locking functions are optional - but llvm will not be thread-safe
dnl without locks.
AC_SEARCH_LIBS(pthread_mutex_lock,pthread,AC_DEFINE(HAVE_PTHREAD_MUTEX_LOCK,1,[Define if PThread mutexes (e.g., pthread_mutex_lock) are available in the system's thread library.]))
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
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)
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 Check for types
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
AC_CHECK_TYPES([uint64_t],,AC_MSG_ERROR([Type uint64_t required but not found]))
AC_HEADER_TIME
AC_STRUCT_TM
dnl Check for various C features
AC_C_PRINTF_A
dnl Check for C++ extensions
AC_CXX_HAVE_HASH_MAP
AC_CXX_HAVE_HASH_SET
AC_CXX_HAVE_EXT_SLIST
AC_CXX_HAVE_STD_ITERATOR
AC_CXX_HAVE_BI_ITERATOR
AC_CXX_HAVE_FWD_ITERATOR
dnl Checks for library functions.
AC_FUNC_ALLOCA
AC_FUNC_MMAP
if test "$ac_cv_func_mmap_fixed_mapped" = "no"
then
AC_MSG_ERROR([mmap() required but not found])
fi
AC_FUNC_MMAP_FILE
if test "$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
AC_CHECK_FUNCS(getcwd gettimeofday strdup strtoq strtoll)
AC_CHECK_FUNC(mprotect,,AC_MSG_ERROR([Function mprotect() required but not found]))
dnl Determine if the linker supports the -R option.
AC_LINK_USE_R
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
AC_SUBST(ENABLE_OPTIMIZED,[[]])
else
AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
fi
dnl Spec 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 -d /home/vadve/shared/benchmarks/speccpu2000/benchspec
then
AC_SUBST(SPEC_ROOT,[/home/vadve/shared/benchmarks/speccpu2000/benchspec])
AC_SUBST(USE_SPEC,[[USE_SPEC=1]])
else
AC_SUBST(USE_SPEC,[[]])
AC_SUBST(SPEC_ROOT,[])
fi
else
if test ${enableval} = ""
then
AC_SUBST(SPEC_ROOT,[/home/vadve/shared/benchmarks/speccpu2000/benchspec])
else
AC_SUBST(SPEC_ROOT,[${enableval}])
fi
AC_SUBST(USE_SPEC,[[USE_SPEC=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"
then
AC_SUBST(UPB,[[]])
else
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"
then
AC_SUBST(DISABLE_LLC_DIFFS,[DISABLE_LLC_DIFFS:=1])
else
AC_SUBST(DISABLE_LLC_DIFFS,[[]])
fi
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,[[]])
else
case $target in
*i*86*)
AC_SUBST(JIT,[[TARGET_HAS_JIT=1]])
;;
*sparc*)
AC_SUBST(JIT,[[TARGET_HAS_JIT=1]])
;;
*)
AC_SUBST(JIT,[[]])
;;
esac
fi
dnl Find the LLVM GCC-based C/C++ front end
AC_ARG_WITH(llvmgccdir,AC_HELP_STRING([--with-llvmgccdir],[Location of LLVM GCC front-end]),AC_SUBST(LLVMGCCDIR,[$withval]))
AC_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 $? -eq 0
then
LLVM_GCC_SANE=yes
fi
rm conftest.c
fi
AC_MSG_RESULT($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 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 Create the output files
AC_OUTPUT(Makefile.config)
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
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