lto-plugin/configure.ac

   1 AC_INIT([LTO plugin for ld], 0.1,,[lto-plugin])
   2 AC_CANONICAL_SYSTEM
   3 GCC_TOPLEV_SUBDIRS
   4 AM_INIT_AUTOMAKE([foreign no-dist])
   5 AM_MAINTAINER_MODE
   6 AC_ARG_WITH(libiberty,
   7   [AS_HELP_STRING([--with-libiberty=PATH],
   8     [specify the directory where to find libiberty [../libiberty]])],
   9   [], with_libiberty=../libiberty)
  10 AC_SUBST(with_libiberty)
  11 AC_USE_SYSTEM_EXTENSIONS
  12 AC_PROG_CC
  13 AC_SYS_LARGEFILE
  14 ACX_PROG_CC_WARNING_OPTS([-Wall], [ac_lto_plugin_warn_cflags])
  15
  16 # Check whether -static-libgcc is supported.
  17 saved_LDFLAGS="$LDFLAGS"
  18 LDFLAGS="$LDFLAGS -static-libgcc"
  19 AC_MSG_CHECKING([for -static-libgcc])
  20 AC_LINK_IFELSE([AC_LANG_SOURCE([
  21   int main() {}])], [have_static_libgcc=yes], [have_static_libgcc=no])
  22 AC_MSG_RESULT($have_static_libgcc);
  23 LDFLAGS="$saved_LDFLAGS"
  24 # Need -Wc to get it through libtool.
  25 if test "x$have_static_libgcc" = xyes; then
  26    ac_lto_plugin_ldflags="-Wc,-static-libgcc"
  27 fi
  28 AC_SUBST(ac_lto_plugin_ldflags)
  29
  30 GCC_CET_HOST_FLAGS(CET_HOST_FLAGS)
  31 AC_SUBST(CET_HOST_FLAGS)
  32
  33 if test x"$host_subdir" = x.; then
  34    gcc_build_dir=../gcc
  35 else
  36    gcc_build_dir=../../$host_subdir/gcc
  37 fi
  38 AC_SUBST(gcc_build_dir)
  39
  40 # Used for constructing correct paths for offload compilers.
  41 accel_dir_suffix=
  42 real_target_noncanonical=${target_noncanonical}
  43 if test x"$enable_as_accelerator_for" != x; then
  44   accel_dir_suffix=/accel/${target_noncanonical}
  45   real_target_noncanonical=${enable_as_accelerator_for}
  46 fi
  47 AC_SUBST(accel_dir_suffix)
  48 AC_SUBST(real_target_noncanonical)
  49
  50 # Determine what GCC version number to use in filesystem paths.
  51 GCC_BASE_VER
  52
  53 AM_PROG_LIBTOOL
  54 ACX_LT_HOST_FLAGS
  55 AC_SUBST(target_noncanonical)
  56 AC_TYPE_INT64_T
  57 AC_TYPE_UINT64_T
  58 AC_HEADER_SYS_WAIT
  59 AC_CONFIG_FILES(Makefile)
  60 AC_CONFIG_HEADERS(config.h)
  61 AC_OUTPUT