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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24350 91177308-0d34-0410-b5e6-96231b3b80d8
678 lines
25 KiB
Plaintext
678 lines
25 KiB
Plaintext
dnl === configure.ac --------------------------------------------------------===
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dnl The LLVM Compiler Infrastructure
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dnl
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dnl This file was developed by the LLVM research group and is distributed under
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dnl the University of Illinois Open Source License. See LICENSE.TXT for details.
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dnl
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dnl===-----------------------------------------------------------------------===
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dnl This is the LLVM configuration script. It is processed by the autoconf
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dnl program to produce a script named configure. This script contains the
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dnl configuration checks that LLVM needs in order to support multiple platforms.
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dnl This file is composed of 10 sections per the recommended organization of
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dnl autoconf input defined in the autoconf documentation. As this file evolves,
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dnl please keep the various types of checks within their sections. The sections
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dnl are as follows:
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dnl
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dnl SECTION 1: Initialization & Setup
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dnl SECTION 2: Architecture, target, and host checks
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dnl SECTION 3: Command line arguments for the configure script.
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dnl SECTION 4: Check for programs we need and that they are the right version
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dnl SECTION 5: Check for libraries
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dnl SECTION 6: Check for header files
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dnl SECTION 7: Check for types and structures
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dnl SECTION 8: Check for specific functions needed
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dnl SECTION 9: Additional checks, variables, etc.
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dnl SECTION 10: Specify the output files and generate it
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dnl
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dnl===-----------------------------------------------------------------------===
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dnl===
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dnl=== SECTION 1: Initialization & Setup
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dnl===
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dnl===-----------------------------------------------------------------------===
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dnl Initialize autoconf and define the package name, version number and
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dnl email address for reporting bugs.
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AC_INIT([[llvm]],[[1.7cvs]],[llvmbugs@cs.uiuc.edu])
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dnl Provide a copyright substitution and ensure the copyright notice is included
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dnl in the output of --version option of the generated configure script.
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AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2005 University of Illinois at Urbana-Champaign."])
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AC_COPYRIGHT([Copyright (c) 2003-2005 University of Illinois at Urbana-Champaign.])
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dnl Indicate that we require autoconf 2.59 or later. Ths is needed because we
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dnl use some autoconf macros only available in 2.59.
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AC_PREREQ(2.59)
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dnl Verify that the source directory is valid. This makes sure that we are
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dnl configuring LLVM and not some other package (it validates --srcdir argument)
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AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp])
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dnl Place all of the extra autoconf files into the config subdirectory. Tell
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dnl various tools where the m4 autoconf macros are.
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AC_CONFIG_AUX_DIR([autoconf])
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dnl Quit if the source directory has already been configured.
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dnl NOTE: This relies upon undocumented autoconf behavior.
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if test ${srcdir} != "." ; then
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if test -f ${srcdir}/include/llvm/Config/config.h ; then
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AC_MSG_ERROR([Already configured in ${srcdir}])
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fi
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fi
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dnl Configure all of the projects present in our source tree. While we could
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dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
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dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
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dnl Instead we match on the known projects.
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for i in `ls ${srcdir}/projects`
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do
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if test -d ${srcdir}/projects/${i} ; then
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case ${i} in
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"CVS") ;;
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"sample") AC_CONFIG_SUBDIRS([projects/sample]) ;;
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"Stacker") AC_CONFIG_SUBDIRS([projects/Stacker]) ;;
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"llvm-test") AC_CONFIG_SUBDIRS([projects/llvm-test]) ;;
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"llvm-reopt") AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
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"llvm-gcc") AC_CONFIG_SUBDIRS([projects/llvm-gcc]) ;;
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"llvm-java") AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
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"llvm-tv") AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
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"llvm-poolalloc") AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) ;;
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*)
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AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
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;;
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esac
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fi
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done
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dnl===-----------------------------------------------------------------------===
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dnl===
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dnl=== SECTION 2: Architecture, target, and host checks
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dnl===
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dnl===-----------------------------------------------------------------------===
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dnl Check the target for which we're compiling and the host that will do the
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dnl compilations. This will tell us which LLVM compiler will be used for
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dnl compiling SSA into object code. This needs to be done early because
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dnl following tests depend on it.
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AC_CANONICAL_TARGET
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dnl Determine the platform type and cache its value. This helps us configure
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dnl the System library to the correct build platform.
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AC_CACHE_CHECK([type of operating system we're on],
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[llvm_cv_os_type],
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[case $build in
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*-*-aix*)
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llvm_cv_os_type="AIX"
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llvm_cv_platform_type="Unix" ;;
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*-*-cygwin*)
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llvm_cv_os_type="Cygwin"
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llvm_cv_platform_type="Unix" ;;
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*-*-darwin*)
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llvm_cv_os_type="Darwin"
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llvm_cv_platform_type="Unix" ;;
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*-*-freebsd*)
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llvm_cv_os_type="FreeBSD"
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llvm_cv_platform_type="Unix" ;;
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*-*-hpux*)
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llvm_cv_os_type="HP-UX"
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llvm_cv_platform_type="Unix" ;;
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*-*-interix*)
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llvm_cv_os_type="Interix"
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llvm_cv_platform_type="Unix" ;;
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*-*-linux*)
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llvm_cv_os_type="Linux"
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llvm_cv_platform_type="Unix" ;;
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*-*-solaris*)
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llvm_cv_os_type="SunOS"
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llvm_cv_platform_type="Unix" ;;
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*-*-win32*)
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llvm_cv_os_type="Win32"
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llvm_cv_platform_type="Win32" ;;
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*-*-mingw*)
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llvm_cv_os_type="MingW"
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llvm_cv_platform_type="Win32" ;;
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*)
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llvm_cv_os_type="Unknown"
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llvm_cv_platform_type="Unknown" ;;
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esac])
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dnl Make sure we aren't attempting to configure for an unknown system
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if test "$llvm_cv_os_type" = "Unknown" ; then
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AC_MSG_ERROR([Operating system is unknown, configure can't continue])
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fi
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dnl Set the "OS" Makefile variable based on the platform type so the
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dnl makefile can configure itself to specific build hosts
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AC_SUBST(OS,$llvm_cv_os_type)
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dnl Set the "LLVM_ON_*" variables based on llvm_cvs_platform_type
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dnl This is used by lib/System to determine the basic kind of implementation
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dnl to use.
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case $llvm_cv_platform_type in
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Unix)
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AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
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AC_SUBST(LLVM_ON_UNIX,[1])
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AC_SUBST(LLVM_ON_WIN32,[0])
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;;
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Win32)
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AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
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AC_SUBST(LLVM_ON_UNIX,[0])
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AC_SUBST(LLVM_ON_WIN32,[1])
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;;
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esac
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dnl Determine what our target architecture is and configure accordingly.
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dnl This will allow Makefiles to make a distinction between the hardware and
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dnl the OS.
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AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
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[case $target in
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i?86-*) llvm_cv_target_arch="x86" ;;
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amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
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sparc*-*) llvm_cv_target_arch="Sparc" ;;
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powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
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alpha*-*) llvm_cv_target_arch="Alpha" ;;
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ia64-*) llvm_cv_target_arch="IA64" ;;
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*) llvm_cv_target_arch="Unknown" ;;
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esac])
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if test "$llvm_cv_target_arch" = "Unknown" ; then
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AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
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fi
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dnl Define a substitution, ARCH, for the target architecture
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AC_SUBST(ARCH,$llvm_cv_target_arch)
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dnl Check for the endianness of the target
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AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
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dnl===-----------------------------------------------------------------------===
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dnl===
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dnl=== SECTION 3: Command line arguments for the configure script.
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dnl===
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dnl===-----------------------------------------------------------------------===
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dnl --enable-optimized : check whether they want to do an optimized build:
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AC_ARG_ENABLE(optimized,
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AS_HELP_STRING([--enable-optimized,Compile with optimizations enabled (default is NO)]),,enableval=no)
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if test ${enableval} = "no" ; then
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AC_SUBST(ENABLE_OPTIMIZED,[[]])
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else
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AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
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fi
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dnl --enable-jit: check whether they want to enable the jit
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AC_ARG_ENABLE(jit,
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AS_HELP_STRING(--enable-jit,
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[Enable Just In Time Compiling (default is YES)]),,
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enableval=default)
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if test ${enableval} = "no"
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then
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AC_SUBST(JIT,[[]])
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else
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case "$llvm_cv_target_arch" in
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x86) AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) ;;
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Sparc) AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) ;;
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PowerPC) AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) ;;
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x86_64) AC_SUBST(JIT,[[]]) ;;
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Alpha) AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) ;;
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IA64) AC_SUBST(JIT,[[]]) ;;
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*) AC_SUBST(JIT,[[]]) ;;
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esac
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fi
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dnl Allow enablement of doxygen generated documentation
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AC_ARG_ENABLE(doxygen,
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AS_HELP_STRING([--enable-doxygen],
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[Build doxygen documentation (default is NO)]),,
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enableval=default)
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case "$enableval" in
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yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
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no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
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default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
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*) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
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esac
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dnl Allow disablement of threads
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AC_ARG_ENABLE(threads,
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AS_HELP_STRING([--enable-threads],
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[Use threads if available (default is YES)]),,
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enableval=yes)
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case "$enableval" in
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yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
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no) AC_SUBST(ENABLE_THREADS,[0]) ;;
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*) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
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esac
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AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
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dnl Allow specific targets to be specified for building (or not)
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TARGETS_TO_BUILD=""
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AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-target],
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[Build specific host targets: all,host-only,{target-name} (default=all)]),,
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enableval=all)
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case "$enableval" in
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all) TARGETS_TO_BUILD="X86 SparcV8 SparcV9 PowerPC Alpha IA64 Skeleton" ;;
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host-only)
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case "$llvm_cv_target_arch" in
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x86) TARGETS_TO_BUILD="X86" ;;
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x86_64) TARGETS_TO_BUILD="X86" ;;
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Sparc) TARGETS_TO_BUILD="SparcV8 SparcV9" ;;
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PowerPC) TARGETS_TO_BUILD="PowerPC" ;;
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Alpha) TARGETS_TO_BUILD="Alpha" ;;
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IA64) TARGETS_TO_BUILD="IA64" ;;
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*) AC_MSG_ERROR([Can not set target to build]) ;;
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esac
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;;
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*)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
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case "$a_target" in
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x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
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x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
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sparc) TARGETS_TO_BUILD="SparcV8 SparcV9 $TARGETS_TO_BUILD" ;;
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powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
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alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
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ia64) TARGETS_TO_BUILD="IA64 $TARGETS_TO_BUILD" ;;
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skeleton)TARGETS_TO_BUILD="Skeleton $TARGETS_TO_BUILD";;
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*) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
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esac
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done
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;;
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esac
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TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD"
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AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
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dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
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AC_ARG_WITH(llvmgccdir,
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AS_HELP_STRING([--with-llvmgccdir],
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[Specify location of llvm-gcc install dir (default searches PATH)]),,
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withval=default)
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case "$withval" in
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default) WITH_LLVMGCCDIR=default ;;
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/*) WITH_LLVMGCCDIR=$withval ;;
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*) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
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esac
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dnl===-----------------------------------------------------------------------===
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dnl===
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dnl=== SECTION 4: Check for programs we need and that they are the right version
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dnl===
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dnl===-----------------------------------------------------------------------===
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dnl Check for compilation tools
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AC_PROG_CPP
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AC_PROG_CC(gcc)
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AC_PROG_CXX(g++)
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AC_PROG_FLEX
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AC_PROG_BISON
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dnl Check for the tools that the makefiles require
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AC_CHECK_GNU_MAKE
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AC_PROG_LN_S
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AC_PATH_PROG(CMP, [cmp], [cmp])
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AC_PATH_PROG(CP, [cp], [cp])
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AC_PATH_PROG(DATE, [date], [date])
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AC_PATH_PROG(FIND, [find], [find])
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AC_PATH_PROG(GREP, [grep], [grep])
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AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
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AC_PATH_PROG(MV, [mv], [mv])
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AC_PROG_RANLIB
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AC_PATH_PROG(RM, [rm], [rm])
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AC_PATH_PROG(SED, [sed], [sed])
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AC_PATH_PROG(TAR, [tar], [gtar])
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AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
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if test "$GRAPHVIZ" != "echo Graphviz" ; then
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AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
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AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ",
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[Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
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fi
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AC_PATH_PROG(GV, [gv], [echo gv])
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if test "$GV" != "echo gv" ; then
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AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
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AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV",
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[Define to path to gv program if found or 'echo gv' otherwise])
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fi
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dnl Find the install program
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AC_PROG_INSTALL
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dnl Checks for documentation and testing tools that we can do without. If these
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dnl are not found then they are set to "true" which always succeeds but does
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dnl nothing. This just lets the build output show that we could have done
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dnl something if the tool was available.
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AC_PATH_PROG(BZIP2,[bzip2],[true bzip2])
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AC_PATH_PROG(DOT,[dot],[true dot])
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AC_PATH_PROG(DOXYGEN,[doxygen],[true doxygen])
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AC_PATH_PROG(ETAGS,[etags],[true etags])
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AC_PATH_PROG(GROFF,[groff],[true groff])
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AC_PATH_PROG(GZIP,[gzip],[true gzip])
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AC_PATH_PROG(POD2HTML,[pod2html],[true pod2html])
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AC_PATH_PROG(POD2MAN,[pod2man],[true pod2man])
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AC_PATH_PROG(RUNTEST,[runtest],[true runtest])
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DJ_AC_PATH_TCLSH
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AC_PATH_PROG(ZIP,[zip],[true zip])
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dnl Determine if the linker supports the -R option.
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AC_LINK_USE_R
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dnl Check for libtool and the library that has dlopen function (which must come
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dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
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dnl libtool).
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AC_LIBTOOL_DLOPEN
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AC_LIB_LTDL
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AC_PROG_LIBTOOL
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if test "$lt_cv_dlopen_self" = "yes" ; then
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AC_DEFINE([CAN_DLOPEN_SELF],[1],
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[Define if dlopen(0) will open the symbols of the program])
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fi
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dnl Check if we know how to tell etags we are using C++:
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etags_version=`$ETAGS --version 2>&1`
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case "$etags_version" in
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*[Ee]xuberant*) ETAGSFLAGS="--language-force=c++" ;;
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*GNU\ Emacs*) ETAGSFLAGS="-l c++" ;;
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*) ETAGSFLAGS="" ;;
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esac
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AC_SUBST(ETAGSFLAGS,$ETAGSFLAGS)
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if test "$WITH_LLVMGCCDIR" = "default" ; then
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LLVMGCC="llvm-gcc${EXEEXT}"
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LLVMGXX="llvm-g++${EXEEXT}"
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AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
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AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
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else
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LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
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LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
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AC_SUBST(LLVMGCC,$LLVMGCC)
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AC_SUBST(LLVMGXX,$LLVMGXX)
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fi
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AC_MSG_CHECKING([tool compatibility])
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dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
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dnl ICC; we use GCC specific options in the makefiles so the compiler needs
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dnl to support those options.
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dnl "icc" emits gcc signatures
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dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
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ICC=no
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IXX=no
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case $CC in
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icc*|icpc*)
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ICC=yes
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IXX=yes
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;;
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*)
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;;
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esac
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if test "$GCC" != "yes" && test "$ICC" != "yes"
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then
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AC_MSG_ERROR([gcc|icc required but not found])
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fi
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dnl Ensure that compilation tools are GCC; we use GCC specific extensions
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if test "$GXX" != "yes" && test "$IXX" != "yes"
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then
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AC_MSG_ERROR([g++|icc required but not found])
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fi
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dnl Verify that GCC is version 3.0 or higher
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if test "$GCC" = "yes"
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then
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gccmajor=`$CC --version | head -n 1 | sed 's/[[^0-9]]*\([[0-9.]]\).*/\1/'`
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if test "$gccmajor" -lt "3"
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then
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AC_MSG_ERROR([gcc 3.x required, but you have a lower version])
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fi
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fi
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dnl Check for GNU Make. We use its extensions, so don't build without it
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if test -z "$llvm_cv_gnu_make_command"
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then
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AC_MSG_ERROR([GNU Make required but not found])
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fi
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dnl Tool compatibility is okay if we make it here.
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|
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)
|
|
|
|
|
|
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 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.
|
|
if test "$ENABLE_THREADS" -eq 1 ; then
|
|
AC_CHECK_LIB(pthread,pthread_mutex_init)
|
|
AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
|
|
AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
|
|
[Have pthread_mutex_lock]))
|
|
fi
|
|
|
|
dnl===-----------------------------------------------------------------------===
|
|
dnl===
|
|
dnl=== SECTION 6: Check for header files
|
|
dnl===
|
|
dnl===-----------------------------------------------------------------------===
|
|
|
|
dnl First, use autoconf provided macros for specific headers that we need
|
|
dnl We don't check for ancient stuff or things that are guaranteed to be there
|
|
dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
|
|
dnl Generally we're looking for POSIX headers.
|
|
AC_HEADER_DIRENT
|
|
AC_HEADER_MMAP_ANONYMOUS
|
|
AC_HEADER_STAT
|
|
AC_HEADER_STDC
|
|
AC_HEADER_SYS_WAIT
|
|
AC_HEADER_TIME
|
|
|
|
AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
|
|
AC_CHECK_HEADERS([malloc.h signal.h stdint.h unistd.h utime.h windows.h])
|
|
AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/types.h])
|
|
AC_CHECK_HEADERS([malloc/malloc.h])
|
|
AC_CHECK_HEADERS([rw/stdex/hash_map.h rw/stdex/hash_set.h])
|
|
if test "$ENABLE_THREADS" -eq 1 ; then
|
|
AC_CHECK_HEADERS(pthread.h)
|
|
fi
|
|
|
|
dnl===-----------------------------------------------------------------------===
|
|
dnl===
|
|
dnl=== SECTION 7: Check for types and structures
|
|
dnl===
|
|
dnl===-----------------------------------------------------------------------===
|
|
|
|
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])))
|
|
|
|
dnl===-----------------------------------------------------------------------===
|
|
dnl===
|
|
dnl=== SECTION 8: Check for specific functions needed
|
|
dnl===
|
|
dnl===-----------------------------------------------------------------------===
|
|
|
|
AC_CHECK_FUNCS([backtrace getcwd getpagesize getrusage gettimeofday ])
|
|
AC_CHECK_FUNCS([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 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
|
|
|
|
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
|
|
AC_FUNC_MMAP_FILE
|
|
AC_NEED_DEV_ZERO_FOR_MMAP
|
|
AC_CHECK_FUNC(mprotect,,
|
|
AC_MSG_ERROR([Function mprotect() required but not found]))
|
|
|
|
if test "$ac_cv_func_mmap_fixed_mapped" = "no"
|
|
then
|
|
AC_MSG_WARN([mmap() of a fixed address required but not supported])
|
|
fi
|
|
if test "$ac_cv_func_mmap_file" = "no"
|
|
then
|
|
AC_MSG_WARN([mmap() of files required but not found])
|
|
fi
|
|
|
|
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 Propagate the shared library extension that the libltdl checks did to
|
|
dnl the Makefiles so we can use it there too
|
|
AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
|
|
|
|
# Translate the various configuration directories and other basic
|
|
# information into substitutions that will end up in Makefile.config.in
|
|
# that these configured values can be used by the makefiles
|
|
eval LLVM_PREFIX="${prefix}";
|
|
eval LLVM_BINDIR="${prefix}/bin";
|
|
eval LLVM_LIBDIR="${prefix}/lib";
|
|
eval LLVM_DATADIR="${prefix}/share/llvm";
|
|
eval LLVM_DOCSDIR="${prefix}/docs/llvm";
|
|
eval LLVM_ETCDIR="${prefix}/etc/llvm";
|
|
eval LLVM_INCLUDEDIR="${prefix}/include";
|
|
eval LLVM_INFODIR="${prefix}/info";
|
|
eval LLVM_MANDIR="${prefix}/man";
|
|
LLVM_CONFIGTIME=`date`
|
|
AC_SUBST(LLVM_PREFIX)
|
|
AC_SUBST(LLVM_BINDIR)
|
|
AC_SUBST(LLVM_LIBDIR)
|
|
AC_SUBST(LLVM_DATADIR)
|
|
AC_SUBST(LLVM_DOCSDIR)
|
|
AC_SUBST(LLVM_ETCDIR)
|
|
AC_SUBST(LLVM_INCLUDEDIR)
|
|
AC_SUBST(LLVM_INFODIR)
|
|
AC_SUBST(LLVM_MANDIR)
|
|
AC_SUBST(LLVM_CONFIGTIME)
|
|
|
|
# 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="${srcdir}"])
|
|
AC_CONFIG_MAKEFILE(Makefile)
|
|
AC_CONFIG_MAKEFILE(Makefile.common)
|
|
AC_CONFIG_MAKEFILE(examples/Makefile)
|
|
AC_CONFIG_MAKEFILE(lib/Makefile)
|
|
AC_CONFIG_MAKEFILE(runtime/Makefile)
|
|
AC_CONFIG_MAKEFILE(test/Makefile)
|
|
AC_CONFIG_MAKEFILE(test/Makefile.tests)
|
|
AC_CONFIG_MAKEFILE(tools/Makefile)
|
|
AC_CONFIG_MAKEFILE(utils/Makefile)
|
|
AC_CONFIG_MAKEFILE(projects/Makefile)
|
|
|
|
dnl Finally, crank out the output
|
|
AC_OUTPUT
|
|
|
|
dnl Warn loudly if llvm-gcc was not obviously working
|
|
if test "$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
|