lto-plugin/configure.ac

   1 AC_PREREQ(2.64)
   2 AC_INIT([LTO plugin for ld], 0.1,,[lto-plugin])
   3 AC_CANONICAL_SYSTEM
   4 GCC_TOPLEV_SUBDIRS
   5 AM_INIT_AUTOMAKE([foreign no-dist])
   6 AM_MAINTAINER_MODE
   7 AC_PROG_CC
   8 AC_SYS_LARGEFILE
   9 ACX_PROG_CC_WARNING_OPTS([-Wall], [ac_lto_plugin_warn_cflags])
  10
  11 # Check whether -static-libgcc is supported.
  12 saved_LDFLAGS="$LDFLAGS"
  13 LDFLAGS="$LDFLAGS -static-libgcc"
  14 AC_MSG_CHECKING([for -static-libgcc])
  15 AC_LINK_IFELSE([
  16   int main() {}], [have_static_libgcc=yes], [have_static_libgcc=no])
  17 AC_MSG_RESULT($have_static_libgcc);
  18 LDFLAGS="$saved_LDFLAGS"
  19 # Need -Wc to get it through libtool.
  20 if test "x$have_static_libgcc" = xyes; then
  21    ac_lto_plugin_ldflags="-Wc,-static-libgcc"
  22 fi
  23 AC_SUBST(ac_lto_plugin_ldflags)
  24
  25 AM_PROG_LIBTOOL
  26 ACX_LT_HOST_FLAGS
  27 AC_SUBST(target_noncanonical)
  28 AC_TYPE_INT64_T
  29 AC_TYPE_UINT64_T
  30 AC_HEADER_SYS_WAIT
  31 AC_CONFIG_FILES(Makefile)
  32 AC_CONFIG_HEADERS(config.h)
  33 AC_OUTPUT