X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=autoconf%2Fconfigure.ac;h=2573f7ee2d94ac09295fd6c8d2e3207fec0060aa;hb=3484a99ba1ecddd221c9c77b321d66edb456a7fc;hp=b86ff8d888a18e1d2d28eb900cc1f71dbd2a6753;hpb=abec8f96e3e35fbb306c957674809c4ace04a620;p=oota-llvm.git diff --git a/autoconf/configure.ac b/autoconf/configure.ac index b86ff8d888a..2573f7ee2d9 100644 --- a/autoconf/configure.ac +++ b/autoconf/configure.ac @@ -1,23 +1,67 @@ -dnl Initialize autoconf -AC_INIT([[llvm]],[[1.4]],[llvmbugs@cs.uiuc.edu]) - -dnl Place all of the extra autoconf files into the config subdirectory -dnl Tell various tools where the m4 autoconf macros are -dnl Have configure verify that the source directory is valid. +dnl === configure.ac --------------------------------------------------------=== +dnl The LLVM Compiler Infrastructure +dnl +dnl This file was developed by the LLVM research group and is distributed under +dnl the University of Illinois Open Source License. See LICENSE.TXT for details. +dnl +dnl===-----------------------------------------------------------------------=== +dnl This is the LLVM configuration script. It is processed by the autoconf +dnl program to produce a script named configure. This script contains the +dnl configuration checks that LLVM needs in order to support multiple platforms. +dnl This file is composed of 10 sections per the recommended organization of +dnl autoconf input defined in the autoconf documentation. As this file evolves, +dnl please keep the various types of checks within their sections. The sections +dnl are as follows: +dnl +dnl SECTION 1: Initialization & Setup +dnl SECTION 2: Architecture, target, and host checks +dnl SECTION 3: Command line arguments for the configure script. +dnl SECTION 4: Check for programs we need and that they are the right version +dnl SECTION 5: Check for libraries +dnl SECTION 6: Check for header files +dnl SECTION 7: Check for types and structures +dnl SECTION 8: Check for specific functions needed +dnl SECTION 9: Additional checks, variables, etc. +dnl SECTION 10: Specify the output files and generate it +dnl +dnl===-----------------------------------------------------------------------=== +dnl=== +dnl=== SECTION 1: Initialization & Setup +dnl=== +dnl===-----------------------------------------------------------------------=== +dnl Initialize autoconf and define the package name, version number and +dnl email address for reporting bugs. +AC_INIT([[llvm]],[[1.7cvs]],[llvmbugs@cs.uiuc.edu]) + +dnl Provide a copyright substitution and ensure the copyright notice is included +dnl in the output of --version option of the generated configure script. +AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2005 University of Illinois at Urbana-Champaign."]) +AC_COPYRIGHT([Copyright (c) 2003-2005 University of Illinois at Urbana-Champaign.]) + +dnl Indicate that we require autoconf 2.59 or later. Ths is needed because we +dnl use some autoconf macros only available in 2.59. +AC_PREREQ(2.59) + +dnl Verify that the source directory is valid. This makes sure that we are +dnl configuring LLVM and not some other package (it validates --srcdir argument) +AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp]) + +dnl Place all of the extra autoconf files into the config subdirectory. Tell +dnl various tools where the m4 autoconf macros are. AC_CONFIG_AUX_DIR([autoconf]) -dnl AC_CONFIG_MACRO_DIR(autoconf/m4) -dnl Verify that the source directory is valid -AC_CONFIG_SRCDIR(["Makefile.config.in"]) 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/llvm/Config/config.h ; then - AC_MSG_ERROR([Already configured in ${srcdir}]) - fi + if test -f ${srcdir}/include/llvm/Config/config.h ; then + AC_MSG_ERROR([Already configured in ${srcdir}]) + fi fi -dnl Configure all of the projects present in our source tree. +dnl Configure all of the projects present in our source tree. While we could +dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a +dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated. +dnl Instead we match on the known projects. for i in `ls ${srcdir}/projects` do if test -d ${srcdir}/projects/${i} ; then @@ -28,9 +72,10 @@ do "llvm-test") AC_CONFIG_SUBDIRS([projects/llvm-test]) ;; "llvm-reopt") AC_CONFIG_SUBDIRS([projects/llvm-reopt]);; "llvm-gcc") AC_CONFIG_SUBDIRS([projects/llvm-gcc]) ;; - "Java") AC_CONFIG_SUBDIRS([projects/Java]) ;; + "llvm-java") AC_CONFIG_SUBDIRS([projects/llvm-java]) ;; "llvm-tv") AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;; - "llvm-fefw") AC_CONFIG_SUBDIRS([projects/llvm-fefw]) ;; + "llvm-poolalloc") AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) ;; + "llvm-kernel") AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;; *) AC_MSG_WARN([Unknown project (${i}) won't be configured automatically]) ;; @@ -38,176 +83,296 @@ do fi done -dnl Configure header files -AC_CONFIG_HEADERS(include/llvm/Config/config.h) +dnl===-----------------------------------------------------------------------=== +dnl=== +dnl=== SECTION 2: Architecture, target, and host checks +dnl=== +dnl===-----------------------------------------------------------------------=== -dnl Configure other output file -AC_CONFIG_FILES(Makefile.config) -AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h]) -AC_CONFIG_HEADERS([include/llvm/ADT/hash_map]) -AC_CONFIG_HEADERS([include/llvm/ADT/hash_set]) -AC_CONFIG_HEADERS([include/llvm/Support/ThreadSupport.h]) -AC_CONFIG_HEADERS([include/llvm/ADT/iterator]) - -dnl Do special configuration of Makefiles -AC_CONFIG_MAKEFILE(Makefile) -AC_CONFIG_MAKEFILE(Makefile.common) -AC_CONFIG_MAKEFILE(examples/Makefile) -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(tools/Makefile) -AC_CONFIG_MAKEFILE(tools/Makefile.JIT) -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. +dnl Check the target for which we're compiling and the host that will do the +dnl compilations. This will tell us which LLVM compiler will be used for +dnl compiling SSA into object code. This needs to be done early because +dnl following tests depend on it. 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. - -AC_MSG_CHECKING([support for generic build operating system]) -case $build in - *-*-aix*) - AC_SUBST(OS,[AIX]) - platform_type="AIX" - ;; - *-*-cygwin*) - AC_SUBST(OS,[Cygwin]) - platform_type="Cygwin" - ;; - *-*-darwin*) - AC_SUBST(OS,[Darwin]) - platform_type="Darwin" - ;; - *-*-freebsd*) - AC_SUBST(OS,[Linux]) - platform_type="FreeBSD" - ;; - *-*-interix*) - AC_SUBST(OS,[SunOS]) - platform_type="Interix" - ;; - *-*-linux*) - AC_SUBST(OS,[Linux]) - platform_type="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]) - platform_type="SunOS" - if test -d /home/vadve/lattner/local/sparc/llvm-gcc - then - AC_SUBST(LLVMGCCDIR,[/home/vadve/lattner/local/sparc/llvm-gcc/]) - fi - ;; - *-*-win32*) - AC_SUBST(OS,[Win32]) - platform_type="Win32" - ;; - *-*-mingw*) - AC_SUBST(OS,[Win32]) - platform_type="Win32" - ;; - *) - AC_SUBST(OS,[Unknown]) - platform_type="Unknown" - ;; -esac +dnl Determine the platform type and cache its value. This helps us configure +dnl the System library to the correct build platform. +AC_CACHE_CHECK([type of operating system we're on], + [llvm_cv_os_type], +[case $build in + *-*-aix*) + llvm_cv_os_type="AIX" + llvm_cv_platform_type="Unix" ;; + *-*-cygwin*) + llvm_cv_os_type="Cygwin" + llvm_cv_platform_type="Unix" ;; + *-*-darwin*) + llvm_cv_os_type="Darwin" + llvm_cv_platform_type="Unix" ;; + *-*-freebsd*) + llvm_cv_os_type="FreeBSD" + llvm_cv_platform_type="Unix" ;; + *-*-hpux*) + llvm_cv_os_type="HP-UX" + llvm_cv_platform_type="Unix" ;; + *-*-interix*) + llvm_cv_os_type="Interix" + llvm_cv_platform_type="Unix" ;; + *-*-linux*) + llvm_cv_os_type="Linux" + llvm_cv_platform_type="Unix" ;; + *-*-solaris*) + llvm_cv_os_type="SunOS" + llvm_cv_platform_type="Unix" ;; + *-*-win32*) + llvm_cv_os_type="Win32" + llvm_cv_platform_type="Win32" ;; + *-*-mingw*) + llvm_cv_os_type="MingW" + llvm_cv_platform_type="Win32" ;; + *) + llvm_cv_os_type="Unknown" + llvm_cv_platform_type="Unknown" ;; +esac]) dnl Make sure we aren't attempting to configure for an unknown system -if test "$platform_type" = "Unknown" ; then - AC_MSG_ERROR([Platform is unknown, configure can't continue]) +if test "$llvm_cv_os_type" = "Unknown" ; then + AC_MSG_ERROR([Operating system is unknown, configure can't continue]) fi -dnl Make a link from lib/System/platform to lib/System/$platform_type -dnl This helps the #inclusion of the system specific include files -dnl for the operating system abstraction library -AC_CONFIG_LINKS(lib/System/platform:lib/System/$platform_type) - - -AC_MSG_CHECKING(target architecture) -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 $target in - sparc*-*-solaris*) AC_SUBST(target,[[sparcv9-sun-solaris2.8]]) - ;; +dnl Set the "OS" Makefile variable based on the platform type so the +dnl makefile can configure itself to specific build hosts +AC_SUBST(OS,$llvm_cv_os_type) + +dnl Set the "LLVM_ON_*" variables based on llvm_cvs_platform_type +dnl This is used by lib/System to determine the basic kind of implementation +dnl to use. +case $llvm_cv_platform_type in + Unix) + AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform]) + AC_SUBST(LLVM_ON_UNIX,[1]) + AC_SUBST(LLVM_ON_WIN32,[0]) + ;; + Win32) + AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform]) + AC_SUBST(LLVM_ON_UNIX,[0]) + AC_SUBST(LLVM_ON_WIN32,[1]) + ;; 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-*) - ARCH="x86" - AC_SUBST(ARCH,[x86]) - ;; - sparc*-*) - ARCH="Sparc" - AC_SUBST(ARCH,[Sparc]) - ;; - powerpc*-*) - ARCH="PowerPC" - AC_SUBST(ARCH,[PowerPC]) - ;; - *) - ARCH="Unknown" - AC_SUBST(ARCH,[Unknown]) - ;; -esac +AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch], +[case $target in + i?86-*) llvm_cv_target_arch="x86" ;; + amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;; + sparc*-*) llvm_cv_target_arch="Sparc" ;; + powerpc*-*) llvm_cv_target_arch="PowerPC" ;; + alpha*-*) llvm_cv_target_arch="Alpha" ;; + ia64-*) llvm_cv_target_arch="IA64" ;; + *) llvm_cv_target_arch="Unknown" ;; +esac]) + +if test "$llvm_cv_target_arch" = "Unknown" ; then + AC_MSG_WARN([Configuring LLVM for an unknown target archicture]) +fi -AC_MSG_RESULT($ARCH) +dnl Define a substitution, ARCH, for the target architecture +AC_SUBST(ARCH,$llvm_cv_target_arch) -dnl Check for compilation tools -AC_PROG_CXX -AC_PROG_CC(gcc) -dnl Ensure that compilation tools are GCC; we use GCC specific extensions -if test "$GCC" != "yes" -then - AC_MSG_ERROR([gcc required but not found]) -fi -AC_PROG_CPP -dnl Ensure that compilation tools are GCC; we use GCC specific extensions -if test "$GXX" != "yes" -then - AC_MSG_ERROR([g++ required but not found]) +dnl Check for the endianness of the target +AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little])) + +dnl===-----------------------------------------------------------------------=== +dnl=== +dnl=== SECTION 3: Command line arguments for the configure script. +dnl=== +dnl===-----------------------------------------------------------------------=== + +dnl --enable-optimized : check whether they want to do an optimized build: +AC_ARG_ENABLE(optimized, + AS_HELP_STRING([--enable-optimized,Compile with optimizations enabled (default is NO)]),,enableval=no) +if test ${enableval} = "no" ; then + AC_SUBST(ENABLE_OPTIMIZED,[[]]) +else + AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]]) fi -dnl Verify that GCC is version 3.0 or higher -gccmajor=`$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]) +dnl --enable-debug-runtime : should runtime libraries have debug symbols? +AC_ARG_ENABLE(debug-runtime, + AS_HELP_STRING([--enable-debug-runtime,Build runtime libs with debug symbols (default is NO)]),,enableval=no) +if test ${enableval} = "no" ; then + AC_SUBST(DEBUG_RUNTIME,[[]]) +else + AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]]) fi -dnl Check for GNU Make. We use its extensions too, so don't build without it -AC_CHECK_GNU_MAKE -if test -z "$_cv_gnu_make_command" +dnl --enable-jit: check whether they want to enable the jit +AC_ARG_ENABLE(jit, + AS_HELP_STRING(--enable-jit, + [Enable Just In Time Compiling (default is YES)]),, + enableval=default) +if test ${enableval} = "no" then - AC_MSG_ERROR([GNU Make required but not found]) + AC_SUBST(JIT,[[]]) +else + case "$llvm_cv_target_arch" in + x86) AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) ;; + Sparc) AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) ;; + PowerPC) AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) ;; + x86_64) AC_SUBST(JIT,[[]]) ;; + Alpha) AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) ;; + IA64) AC_SUBST(JIT,[[]]) ;; + *) AC_SUBST(JIT,[[]]) ;; + esac fi -dnl Checks for other tools +dnl Allow enablement of doxygen generated documentation +AC_ARG_ENABLE(doxygen, + AS_HELP_STRING([--enable-doxygen], + [Build doxygen documentation (default is NO)]),, + enableval=default) +case "$enableval" in + yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;; + no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; + default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; + *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;; +esac + +dnl Allow disablement of threads +AC_ARG_ENABLE(threads, + AS_HELP_STRING([--enable-threads], + [Use threads if available (default is YES)]),, + enableval=yes) +case "$enableval" in + yes) AC_SUBST(ENABLE_THREADS,[1]) ;; + no) AC_SUBST(ENABLE_THREADS,[0]) ;; + *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;; +esac +AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled]) + +dnl Allow specific targets to be specified for building (or not) +TARGETS_TO_BUILD="" +AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-target], + [Build specific host targets: all,host-only,{target-name} (default=all)]),, + enableval=all) +case "$enableval" in + all) TARGETS_TO_BUILD="X86 SparcV8 SparcV9 PowerPC Alpha IA64 Skeleton" ;; + host-only) + case "$llvm_cv_target_arch" in + x86) TARGETS_TO_BUILD="X86" ;; + x86_64) TARGETS_TO_BUILD="X86" ;; + Sparc) TARGETS_TO_BUILD="SparcV8 SparcV9" ;; + PowerPC) TARGETS_TO_BUILD="PowerPC" ;; + Alpha) TARGETS_TO_BUILD="Alpha" ;; + IA64) TARGETS_TO_BUILD="IA64" ;; + *) AC_MSG_ERROR([Can not set target to build]) ;; + esac + ;; + *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do + case "$a_target" in + x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; + x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; + sparc) TARGETS_TO_BUILD="SparcV8 SparcV9 $TARGETS_TO_BUILD" ;; + 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 + ;; +esac +TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" +AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD) + +dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config. +AC_ARG_WITH(llvmgccdir, + AS_HELP_STRING([--with-llvmgccdir], + [Specify location of llvm-gcc install dir (default searches PATH)]),, + withval=default) +case "$withval" in + default) WITH_LLVMGCCDIR=default ;; + /*) WITH_LLVMGCCDIR=$withval ;; + *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;; +esac + + +dnl===-----------------------------------------------------------------------=== +dnl=== +dnl=== SECTION 4: Check for programs we need and that they are the right version +dnl=== +dnl===-----------------------------------------------------------------------=== + +dnl Check for compilation tools +AC_PROG_CPP +AC_PROG_CC(gcc) +AC_PROG_CXX(g++) AC_PROG_FLEX AC_PROG_BISON -AC_PROG_LIBTOOL -AC_PATH_PROG(TAR,[tar],[gtar]) -dnl Checks for tools we can get away with not having: +dnl Check for the tools that the makefiles require +AC_CHECK_GNU_MAKE +AC_PROG_LN_S +AC_PATH_PROG(CMP, [cmp], [cmp]) +AC_PATH_PROG(CP, [cp], [cp]) +AC_PATH_PROG(DATE, [date], [date]) +AC_PATH_PROG(FIND, [find], [find]) +AC_PATH_PROG(GREP, [grep], [grep]) +AC_PATH_PROG(MKDIR,[mkdir],[mkdir]) +AC_PATH_PROG(MV, [mv], [mv]) +AC_PROG_RANLIB +AC_PATH_PROG(RM, [rm], [rm]) +AC_PATH_PROG(SED, [sed], [sed]) +AC_PATH_PROG(TAR, [tar], [gtar]) +AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz]) +if test "$GRAPHVIZ" != "echo Graphviz" ; then + AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available]) + AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ", + [Define to path to Graphviz program if found or 'echo Graphviz' otherwise]) +fi +AC_PATH_PROG(GV, [gv], [echo gv]) +if test "$GV" != "echo gv" ; then + AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available]) + AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV", + [Define to path to gv program if found or 'echo gv' otherwise]) +fi + +dnl Find the install program +AC_PROG_INSTALL + +dnl Checks for documentation and testing tools that we can do without. If these +dnl are not found then they are set to "true" which always succeeds but does +dnl nothing. This just lets the build output show that we could have done +dnl something if the tool was available. +AC_PATH_PROG(BZIP2,[bzip2],[true bzip2]) AC_PATH_PROG(DOT,[dot],[true dot]) +AC_PATH_PROG(DOXYGEN,[doxygen],[true doxygen]) AC_PATH_PROG(ETAGS,[etags],[true etags]) +AC_PATH_PROG(GROFF,[groff],[true groff]) +AC_PATH_PROG(GZIP,[gzip],[true gzip]) +AC_PATH_PROG(POD2HTML,[pod2html],[true pod2html]) +AC_PATH_PROG(POD2MAN,[pod2man],[true pod2man]) +AC_PATH_PROG(RUNTEST,[runtest],[true runtest]) +DJ_AC_PATH_TCLSH +AC_PATH_PROG(ZIP,[zip],[true zip]) + +dnl Determine if the linker supports the -R option. +AC_LINK_USE_R + +dnl Check for libtool and the library that has dlopen function (which must come +dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with +dnl libtool). +AC_LIBTOOL_DLOPEN +AC_LIB_LTDL +AC_PROG_LIBTOOL + +if test "$lt_cv_dlopen_self" = "yes" ; then + AC_DEFINE([CAN_DLOPEN_SELF],[1], + [Define if dlopen(0) will open the symbols of the program]) +fi + dnl Check if we know how to tell etags we are using C++: etags_version=`$ETAGS --version 2>&1` case "$etags_version" in @@ -216,217 +381,225 @@ case "$etags_version" in *) ETAGSFLAGS="" ;; esac AC_SUBST(ETAGSFLAGS,$ETAGSFLAGS) -AC_PATH_PROG(PYTHON,[python],[true python]) -if test "$PYTHON" = "false" + +if test "$WITH_LLVMGCCDIR" = "default" ; then + LLVMGCC="llvm-gcc${EXEEXT}" + LLVMGXX="llvm-g++${EXEEXT}" + AC_PATH_PROG(LLVMGCC, $LLVMGCC, []) + AC_PATH_PROG(LLVMGXX, $LLVMGXX, []) +else + LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}" + LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}" + AC_SUBST(LLVMGCC,$LLVMGCC) + AC_SUBST(LLVMGXX,$LLVMGXX) +fi + +AC_MSG_CHECKING([tool compatibility]) + +dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as +dnl ICC; we use GCC specific options in the makefiles so the compiler needs +dnl to support those options. +dnl "icc" emits gcc signatures +dnl "icc -no-gcc" emits no gcc signature BUT is still compatible +ICC=no +IXX=no +case $CC in + icc*|icpc*) + ICC=yes + IXX=yes + ;; + *) + ;; +esac + +if test "$GCC" != "yes" && test "$ICC" != "yes" then - AC_MSG_WARN([Python is required for the test suite, but it was not found]) + AC_MSG_ERROR([gcc|icc required but not found]) fi -AC_PATH_PROG(QMTEST,[qmtest],[true qmtest]) -if test "$QMTEST" = "false" + +dnl Ensure that compilation tools are GCC; we use GCC specific extensions +if test "$GXX" != "yes" && test "$IXX" != "yes" then - AC_MSG_WARN([QMTest is required for the test suite, but it was not found]) + AC_MSG_ERROR([g++|icc required but 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 $pyversion | cut -d. -f2` +dnl Verify that GCC is version 3.0 or higher +if test "$GCC" = "yes" +then + gccmajor=`$CC --version | head -n 1 | sed 's/[[^0-9]]*\([[0-9.]]\).*/\1/'` + if test "$gccmajor" -lt "3" + then + AC_MSG_ERROR([gcc 3.x required, but you have a lower version]) + fi +fi -if test "$pymajor" -ge "2" +dnl Check for GNU Make. We use its extensions, so don't build without it +if test -z "$llvm_cv_gnu_make_command" then - if test "$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]) + AC_MSG_ERROR([GNU Make required but not found]) fi -dnl Checks for libraries: +dnl Tool compatibility is okay if we make it here. +AC_MSG_RESULT([ok]) + +dnl===-----------------------------------------------------------------------=== +dnl=== +dnl=== SECTION 5: Check for libraries +dnl=== +dnl===-----------------------------------------------------------------------=== + dnl libelf is for sparc only; we can ignore it if we don't have it AC_CHECK_LIB(elf, elf_begin) +AC_CHECK_LIB(m,sin) + +dnl lt_dlopen may be required for plugin support. +AC_SEARCH_LIBS(lt_dlopen,ltdl,AC_DEFINE([HAVE_LT_DLOPEN],[1], + [Define if lt_dlopen() is available on this platform]), + AC_MSG_WARN([lt_dlopen() not found - plugin support might + not be available])) -dnl Check for bzip2 and zlib compression libraries needed for archive reading/writing -AC_CHECK_LIB(bz2,BZ2_bzCompressInit,[bzip2_found=1],[bzip2_found=0]) -AC_CHECK_HEADERS([bzlib.h],[bzlib_h_found=1],[bzlib_h_found=0],[]) -AC_CHECK_LIB(z,gzopen,[zlib_found=1],[zlib_found=0]) -AC_CHECK_HEADERS([zlib.h],[zlib_h_found=1],[zlib_h_found=0],[]) -if test $zlib_found -eq 1 -a $zlib_h_found -eq 1; then - AC_DEFINE([HAVE_ZLIB],[1],[Define if zlib library is available on this platform.]) - AC_SUBST([HAVE_ZLIB],[1]) -else - AC_SUBST([HAVE_ZLIB],[0]) -fi -if test $bzip2_found -eq 1 -a $bzlib_h_found -eq 1 ; then - AC_DEFINE([HAVE_BZIP2],[1],[Define if bzip2 library is available on this platform.]) - AC_SUBST([HAVE_BZIP2],[1]) -else - AC_SUBST([HAVE_BZIP2],[0]) -fi dnl dlopen() is required for plugin support. -AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],[Define if dlopen() is available on this platform.]),AC_MSG_WARN([dlopen() not found - disabling plugin support])) +AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1], + [Define if dlopen() is available on this platform.]), + AC_MSG_WARN([dlopen() not found - disabling plugin support])) dnl mallinfo is optional; the code can compile (minus features) without it -AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],[Define if mallinfo() is available on this platform.])) +AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1], + [Define if mallinfo() is available on this platform.])) dnl pthread locking functions are optional - but llvm will not be thread-safe dnl without locks. -AC_SEARCH_LIBS(pthread_mutex_lock,pthread,AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],[Have pthread_mutex_lock])) -dnl AC_SUBST(HAVE_PTHREAD_MUTEX_LOCK) +if test "$ENABLE_THREADS" -eq 1 ; then + AC_CHECK_LIB(pthread,pthread_mutex_init) + AC_SEARCH_LIBS(pthread_mutex_lock,pthread, + AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1], + [Have pthread_mutex_lock])) +fi -dnl Checks for header files. +dnl===-----------------------------------------------------------------------=== +dnl=== +dnl=== SECTION 6: Check for header files +dnl=== +dnl===-----------------------------------------------------------------------=== + +dnl First, use autoconf provided macros for specific headers that we need 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 versions of C headers. +dnl Generally we're looking for POSIX headers. +AC_HEADER_DIRENT +AC_HEADER_MMAP_ANONYMOUS +AC_HEADER_STAT AC_HEADER_STDC AC_HEADER_SYS_WAIT +AC_HEADER_TIME -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 windows.h) +AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h]) +AC_CHECK_HEADERS([malloc.h signal.h stdint.h unistd.h utime.h windows.h]) +AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/types.h]) +AC_CHECK_HEADERS([malloc/malloc.h]) +AC_CHECK_HEADERS([rw/stdex/hash_map.h rw/stdex/hash_set.h]) +if test "$ENABLE_THREADS" -eq 1 ; then + AC_CHECK_HEADERS(pthread.h) +fi -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]) -AC_CHECK_HEADER([inttypes.h]) -AC_CHECK_HEADER([stdint.h]) +dnl===-----------------------------------------------------------------------=== +dnl=== +dnl=== SECTION 7: Check for types and structures +dnl=== +dnl===-----------------------------------------------------------------------=== -dnl Check for types AC_TYPE_PID_T AC_TYPE_SIZE_T +AC_TYPE_SIGNAL +AC_STRUCT_TM AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found])) AC_CHECK_TYPES([uint64_t],, - AC_CHECK_TYPES([u_int64_t],, - AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found]))) -AC_HEADER_TIME -AC_STRUCT_TM - -dnl Check for various C features + AC_CHECK_TYPES([u_int64_t],, + AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found]))) + +dnl===-----------------------------------------------------------------------=== +dnl=== +dnl=== SECTION 8: Check for specific functions needed +dnl=== +dnl===-----------------------------------------------------------------------=== + +AC_CHECK_FUNCS([backtrace ceil ceilf floor floorf getcwd getpagesize getrusage]) +AC_CHECK_FUNCS([gettimeofday isatty mkdtemp mkstemp mktemp ]) +AC_CHECK_FUNCS([realpath sbrk setrlimit strdup strerror strerror_r ]) +AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ]) AC_C_PRINTF_A +AC_FUNC_ALLOCA +AC_FUNC_RAND48 -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 variations in the Standard C++ library and STL. These macros are +dnl provided by LLVM in the autoconf/m4 directory. 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_FUNC_ISNAN AC_FUNC_ISINF -AC_FUNC_RAND48 -dnl Checks for library functions. -AC_FUNC_ALLOCA +dnl Check for mmap and mprotect support. We need both to do the JIT and for +dnl bytecode loading, etc. We also need to know if /dev/zero is required to +dnl be opened for allocating RWX memory. AC_FUNC_MMAP -if test "$ac_cv_func_mmap_fixed_mapped" = "no" -then - AC_MSG_WARN([mmap() required but not found]) -fi AC_FUNC_MMAP_FILE -if test "$ac_cv_func_mmap_file" = "no" -then - AC_MSG_WARN([mmap() of files required but not found]) -fi -AC_HEADER_MMAP_ANONYMOUS -AC_TYPE_SIGNAL -AC_CHECK_FUNCS(getcwd gettimeofday strdup strtoq strtoll backtrace isatty mkstemp getrusage) -AC_CHECK_FUNC(mprotect,,AC_MSG_ERROR([Function mprotect() required but not found])) +AC_NEED_DEV_ZERO_FOR_MMAP +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,AS_HELP_STRING(--enable-optimized,Compile with optimizations enabled (default is NO)),,enableval=no) -if test ${enableval} = "no" +if test "$ac_cv_func_mmap_fixed_mapped" = "no" then - AC_SUBST(ENABLE_OPTIMIZED,[[]]) -else - AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]]) + AC_MSG_WARN([mmap() of a fixed address required but not supported]) fi - -dnl JIT Option -AC_ARG_ENABLE(jit,AS_HELP_STRING(--enable-jit,Enable Just In Time Compiling (default is YES)),,enableval=default) -if test ${enableval} = "no" +if test "$ac_cv_func_mmap_file" = "no" then - AC_SUBST(JIT,[[]]) -else - case $target in - *i*86*) - AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) - ;; - *sparc*) - AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) - ;; - *) - AC_SUBST(JIT,[[]]) - ;; - esac + AC_MSG_WARN([mmap() of files required but not found]) fi -dnl Find the LLVM GCC-based C/C++ front end -AC_ARG_WITH(llvmgccdir,AS_HELP_STRING(--with-llvmgccdir,Location of LLVM GCC front-end),AC_SUBST(LLVMGCCDIR,[$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 "$LLVM_GCC_SANE" = "no" -then - llvmgccwarn=yes +dnl===-----------------------------------------------------------------------=== +dnl=== +dnl=== SECTION 9: Additional checks, variables, etc. +dnl=== +dnl===-----------------------------------------------------------------------=== + +dnl See if the llvm-gcc executable can compile to LLVM assembly +AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity], +[llvm_cv_llvmgcc_sanity="no" +if test -x "$LLVMGCC" ; then + cp /dev/null conftest.c + "$LLVMGCC" -S -o - conftest.c | grep implementation > /dev/null 2>&1 + if test $? -eq 0 ; then + llvm_cv_llvmgcc_sanity="yes" + fi + rm conftest.c +fi]) + +dnl Since we have a sane llvm-gcc, identify it and its sub-tools +if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then + llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1` + AC_SUBST(LLVMCC1,$llvmcc1path) + llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus` + AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath) + llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'` + AC_SUBST(LLVMGCCDIR,$llvmgccdir) fi -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=$shrext_cmds" -AC_MSG_RESULT($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 Propagate the shared library extension that the libltdl checks did to +dnl the Makefiles so we can use it there too +AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext) # Translate the various configuration directories and other basic -# information into substitutions that will end up in config.h.in so -# that these configured values can be hard-wired into a program. +# information into substitutions that will end up in Makefile.config.in +# that these configured values can be used by the makefiles eval LLVM_PREFIX="${prefix}"; eval LLVM_BINDIR="${prefix}/bin"; eval LLVM_LIBDIR="${prefix}/lib"; -eval LLVM_DATADIR="${prefix}/data"; -eval LLVM_DOCSDIR="${prefix}/docs"; -eval LLVM_ETCDIR="${prefix}/etc"; +eval LLVM_DATADIR="${prefix}/share/llvm"; +eval LLVM_DOCSDIR="${prefix}/docs/llvm"; +eval LLVM_ETCDIR="${prefix}/etc/llvm"; eval LLVM_INCLUDEDIR="${prefix}/include"; eval LLVM_INFODIR="${prefix}/info"; eval LLVM_MANDIR="${prefix}/man"; @@ -441,37 +614,74 @@ AC_SUBST(LLVM_INCLUDEDIR) AC_SUBST(LLVM_INFODIR) AC_SUBST(LLVM_MANDIR) AC_SUBST(LLVM_CONFIGTIME) -AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX", [Installation prefix directory]) -AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR", [Installation directory for binary executables]) -AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR", [Installation directory for libraries]) -AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", [Installation directory for data files]) -AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DOCSDIR", [Installation directory for documentation]) -AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", [Installation directory for config files]) -AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", [Installation directory for include files]) -AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", [Installation directory for .info files]) -AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", [Installation directory for man pages]) -AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", [Time at which LLVM was configured]) - -dnl Create the output files -AC_OUTPUT -dnl Warn if we don't have a compression library -if test $bzip2_found -ne 1 ; then - if test $zlib_found -ne 1 ; then - AC_MSG_WARN([*** Neither zlib nor bzip2 compression libraries were found.]) - AC_MSG_WARN([*** Bytecode archives will not support compression!]) - AC_MSG_WARN([*** To correct, install the libraries and and re-run configure.]) - fi -fi +# Place the various directores into the config.h file as #defines so that we +# can know about the installation paths within LLVM. +AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX", + [Installation prefix directory]) +AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR", + [Installation directory for binary executables]) +AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR", + [Installation directory for libraries]) +AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", + [Installation directory for data files]) +AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DOCSDIR", + [Installation directory for documentation]) +AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", + [Installation directory for config files]) +AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", + [Installation directory for include files]) +AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", + [Installation directory for .info files]) +AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", + [Installation directory for man pages]) +AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", + [Time at which LLVM was configured]) + +dnl===-----------------------------------------------------------------------=== +dnl=== +dnl=== SECTION 10: Specify the output files and generate it +dnl=== +dnl===-----------------------------------------------------------------------=== + +dnl Configure header files +dnl WARNING: dnl If you add or remove any of the following config headers, then +dnl you MUST also update Makefile.rules so that the variable FilesToConfig +dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the +dnl files can be updated automatically when their *.in sources change. +AC_CONFIG_HEADERS([include/llvm/Config/config.h]) +AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h]) +AC_CONFIG_HEADERS([include/llvm/ADT/hash_map]) +AC_CONFIG_HEADERS([include/llvm/ADT/hash_set]) +AC_CONFIG_HEADERS([include/llvm/ADT/iterator]) + +dnl Configure the makefile's configuration data +AC_CONFIG_FILES([Makefile.config]) + +dnl Configure doxygen's configuration file +AC_CONFIG_FILES([docs/doxygen.cfg]) + +dnl Do special configuration of Makefiles +AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"]) +AC_CONFIG_MAKEFILE(Makefile) +AC_CONFIG_MAKEFILE(Makefile.common) +AC_CONFIG_MAKEFILE(examples/Makefile) +AC_CONFIG_MAKEFILE(lib/Makefile) +AC_CONFIG_MAKEFILE(runtime/Makefile) +AC_CONFIG_MAKEFILE(test/Makefile) +AC_CONFIG_MAKEFILE(test/Makefile.tests) +AC_CONFIG_MAKEFILE(tools/Makefile) +AC_CONFIG_MAKEFILE(utils/Makefile) +AC_CONFIG_MAKEFILE(projects/Makefile) + +dnl Finally, crank out the output +AC_OUTPUT dnl Warn loudly if llvm-gcc was not obviously working -if test $llvmgccwarn = yes -then - AC_MSG_WARN([***** llvm C/C++ front end was not found, or does not]) - AC_MSG_WARN([***** appear to be working.]) - AC_MSG_WARN([***** ]) - AC_MSG_WARN([***** Please check configure's --with-llvmgccdir option.]) - AC_MSG_WARN([***** Runtime libraries (in llvm/runtime) will not be built,]) - AC_MSG_WARN([***** but you should be able to build the llvm tools.]) +if test "$llvm_cv_llvmgcc_sanity" = "no" ; then + AC_MSG_WARN([***** llvm-gcc/llvm-g++ was not found, or does not appear to be ]) + AC_MSG_WARN([***** working. Please make sure you have llvmgcc and llvmg++ in]) + AC_MSG_WARN([***** your path before configuring LLVM. The runtime libraries]) + AC_MSG_WARN([***** (llvm/runtime) will not be built but you should be able to]) + AC_MSG_WARN([***** build the llvm tools.]) fi -