libvtv/configure.ac

   1 # -*- Autoconf -*-
   2 # Process this file with autoconf to produce a configure script.
   3
   4 AC_PREREQ([2.64])
   5 AC_INIT([GNU Vtable Verification Runtime Library], 1.0,,[libvtv])
   6 #AC_INIT(package-unused, version-unused, libvtv)
   7 AC_CONFIG_SRCDIR([vtv_rts.h])
   8
   9 # -------
  10 # Options
  11 # -------
  12 AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
  13 AC_ARG_ENABLE(version-specific-runtime-libs,
  14 [  --enable-version-specific-runtime-libs    Specify that runtime libraries should be installed in a compiler-specific directory ],
  15 [case "$enableval" in
  16  yes) version_specific_libs=yes ;;
  17  no)  version_specific_libs=no ;;
  18  *)   AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;
  19  esac],
  20 [version_specific_libs=no])
  21 AC_MSG_RESULT($version_specific_libs)
  22
  23 # Do not delete or change the following two lines.  For why, see
  24 # http://gcc.gnu.org/ml/libstdc++/2003-07/msg00451.html
  25 AC_CANONICAL_SYSTEM
  26 target_alias=${target_alias-$host_alias}
  27 AC_SUBST(target_alias)
  28 GCC_LIBSTDCXX_RAW_CXX_FLAGS
  29
  30 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
  31 AC_MSG_CHECKING([for --enable-vtable-verify])
  32 AC_ARG_ENABLE(vtable-verify,
  33 [  --enable-vtable-verify    Enable vtable verification feature ],
  34 [case "$enableval" in
  35  yes) enable_vtable_verify=yes ;;
  36  no)  enable_vtable_verify=no ;;
  37  *)   enable_vtable_verify=no;;
  38  esac],
  39 [enable_vtable_verify=no])
  40 AC_MSG_RESULT($enable_vtable_verify)
  41
  42 # See if supported.
  43 unset VTV_SUPPORTED
  44 AC_MSG_CHECKING([for host support for vtable verification])
  45 . ${srcdir}/configure.tgt
  46 AC_MSG_RESULT($VTV_SUPPORTED)
  47
  48 # Decide if it's usable.
  49 use_vtable_verify=no
  50 if test "x$VTV_SUPPORTED" = "xyes"; then
  51   if test "x$enable_vtable_verify" = "xyes"; then
  52     use_vtable_verify=yes
  53     AC_MSG_NOTICE(using vtable verification)
  54   fi
  55 fi
  56 AM_CONDITIONAL(ENABLE_VTABLE_VERIFY, test $use_vtable_verify = yes)
  57
  58 AM_INIT_AUTOMAKE(foreign no-dist)
  59 AM_ENABLE_MULTILIB(, ..)
  60 AM_MAINTAINER_MODE
  61
  62 LIBVTV_CONFIGURE
  63
  64 # Calculate toolexeclibdir
  65 # Also toolexecdir, though it's only used in toolexeclibdir
  66 case ${version_specific_libs} in
  67   yes)
  68     # Need the gcc compiler version to know where to install libraries
  69     # and header files if --enable-version-specific-runtime-libs option
  70     # is selected.
  71     toolexecdir='$(libdir)/gcc/$(target_alias)'
  72     toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)'
  73     ;;
  74   no)
  75     if test -n "$with_cross_host" &&
  76        test x"$with_cross_host" != x"no"; then
  77       # Install a library built with a cross compiler in tooldir, not libdir.
  78       toolexecdir='$(exec_prefix)/$(target_alias)'
  79       toolexeclibdir='$(toolexecdir)/lib'
  80     else
  81       toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
  82       toolexeclibdir='$(libdir)'
  83     fi
  84     multi_os_directory=`$CC -print-multi-os-directory`
  85     case $multi_os_directory in
  86       .) ;; # Avoid trailing /.
  87       *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
  88     esac
  89     ;;
  90 esac
  91 AC_SUBST(toolexecdir)
  92 AC_SUBST(toolexeclibdir)
  93
  94 AC_GNU_SOURCE
  95 AC_CHECK_FUNCS([__secure_getenv])
  96
  97 AC_GNU_SOURCE
  98 AC_CHECK_FUNCS([secure_getenv])
  99
 100 # Check for programs.
 101 m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
 102 m4_define([_AC_ARG_VAR_PRECIOUS],[])
 103 AC_PROG_CC
 104 AC_PROG_CXX
 105 m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
 106
 107 AM_PROG_CC_C_O
 108
 109 AC_SUBST(CFLAGS)
 110 AC_SUBST(CXXFLAGS)
 111
 112 # Newer automakes demand CCAS and CCASFLAGS.
 113 : ${CCAS='$(CC)'}
 114 : ${CCASFLAGS='$(CFLAGS)'}
 115 AC_SUBST(CCAS)
 116 AC_SUBST(CCASFLAGS)
 117
 118 AC_CHECK_TOOL(AS, as)
 119 AC_CHECK_TOOL(AR, ar)
 120 AC_CHECK_TOOL(RANLIB, ranlib, :)
 121
 122 # Configure libtool
 123 AC_LIBTOOL_DLOPEN
 124 AM_PROG_LIBTOOL
 125 AC_SUBST(enable_shared)
 126 AC_SUBST(enable_static)
 127
 128 # For libtool versioning info, format is CURRENT:REVISION:AGE
 129 libtool_VERSION=1:0:0
 130 AC_SUBST(libtool_VERSION)
 131
 132 XCFLAGS="-D_GNU_SOURCE -Wall -Wextra -fno-exceptions"
 133 AC_SUBST(XCFLAGS)
 134
 135 if test "${multilib}" = "yes"; then
 136   multilib_arg="--enable-multilib"
 137 else
 138   multilib_arg=
 139 fi
 140
 141 AC_CONFIG_FILES([Makefile])
 142
 143 if test "x$VTV_SUPPORTED" = "xyes"; then
 144   AC_CONFIG_FILES(AC_FOREACH([DIR], [testsuite], [DIR/Makefile ]),
 145     [cat > vpsed$$ << \_EOF
 146 s!`test -f '$<' || echo '$(srcdir)/'`!!
 147 _EOF
 148     sed -f vpsed$$ $ac_file > tmp$$
 149     mv tmp$$ $ac_file
 150     rm vpsed$$
 151     echo 'MULTISUBDIR =' >> $ac_file
 152     ml_norecursion=yes
 153     . ${multi_basedir}/config-ml.in
 154     AS_UNSET([ml_norecursion])
 155 ])
 156 fi
 157
 158 AC_OUTPUT