bfd/acinclude.m4

   1 sinclude(acmacros.m4)
   2
   3 dnl This is a copy of AM_PROG_LIBTOOL from libtool 1.0, modified to
   4 dnl not produce a shared library by default.
   5 AC_DEFUN(AM_PROG_LIBTOOL,
   6 [AC_REQUIRE([AC_CANONICAL_HOST])
   7 AC_REQUIRE([AC_PROG_CC])
   8 AC_REQUIRE([AC_PROG_RANLIB])
   9 AC_REQUIRE([AM_PROG_LD])
  10 AC_REQUIRE([AC_PROG_LN_S])
  11
  12 # Always use our own libtool.
  13 LIBTOOL='$(top_builddir)/libtool'
  14 AC_SUBST(LIBTOOL)
  15
  16 dnl Allow the --disable-shared flag to stop us from building shared libs.
  17 AC_ARG_ENABLE(shared,
  18 [  --enable-shared         build shared libraries [default=yes]],
  19 test "$enableval" = no && libtool_shared=" --disable-shared",
  20 libtool_shared=--disable-shared)
  21
  22 dnl Allow the --disable-static flag to stop us from building static libs.
  23 AC_ARG_ENABLE(static,
  24 [  --enable-static         build static libraries [default=yes]],
  25 test "$enableval" = no && libtool_static=" --disable-static",
  26 libtool_static=)
  27
  28 libtool_flags="$libtool_shared$libtool_static"
  29 test "$silent" = yes && libtool_flags="$libtool_flags --silent"
  30 test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
  31 test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
  32
  33 # Some flags need to be propagated to the compiler or linker for good
  34 # libtool support.
  35 [case "$host" in
  36 *-*-irix6*)
  37   for f in '-32' '-64' '-cckr' '-n32' '-mips1' '-mips2' '-mips3' '-mips4'; do
  38     if echo " $CC $CFLAGS " | egrep -e "[       ]$f[     ]" > /dev/null; then
  39       LD="${LD-ld} $f"
  40     fi
  41   done
  42   ;;
  43
  44 *-*-sco3.2v5*)
  45   # On SCO OpenServer 5, we need -belf to get full-featured binaries.
  46   CFLAGS="$CFLAGS -belf"
  47   ;;
  48 esac]
  49
  50 # Actually configure libtool.  ac_aux_dir is where install-sh is found.
  51 CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
  52 LD="$LD" RANLIB="$RANLIB" LN_S="$LN_S" \
  53 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig \
  54 $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
  55 || AC_MSG_ERROR([libtool configure failed])
  56 ])
  57
  58 # AM_PROG_LD - find the path to the GNU or non-GNU linker
  59 AC_DEFUN(AM_PROG_LD,
  60 [AC_ARG_WITH(gnu-ld,
  61 [  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
  62 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
  63 if test "$with_gnu_ld" = yes; then
  64   AC_MSG_CHECKING([for GNU ld])
  65 else
  66   AC_MSG_CHECKING([for non-GNU ld])
  67 fi
  68 AC_CACHE_VAL(ac_cv_path_LD,
  69 [case "$LD" in
  70   /*)
  71   ac_cv_path_LD="$LD" # Let the user override the test with a path.
  72   ;;
  73   *)
  74   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
  75   for ac_dir in $PATH; do
  76     test -z "$ac_dir" && ac_dir=.
  77     if test -f "$ac_dir/ld"; then
  78       ac_cv_path_LD="$ac_dir/ld"
  79       # Check to see if the program is GNU ld.  I'd rather use --version,
  80       # but apparently some GNU ld's only accept -v.
  81       # Break only if it was the GNU/non-GNU ld that we prefer.
  82       if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU ld|with BFD)' > /dev/null; then
  83         test "$with_gnu_ld" = yes && break
  84       else
  85         test "$with_gnu_ld" != yes && break
  86       fi
  87     fi
  88   done
  89   IFS="$ac_save_ifs"
  90   ;;
  91 esac])
  92 LD="$ac_cv_path_LD"
  93 if test -n "$LD"; then
  94   AC_MSG_RESULT($LD)
  95 else
  96   AC_MSG_RESULT(no)
  97 fi
  98 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
  99 AC_SUBST(LD)
 100 AM_PROG_LD_GNU
 101 ])
 102
 103 AC_DEFUN(AM_PROG_LD_GNU,
 104 [AC_CACHE_CHECK([whether we are using GNU ld], ac_cv_prog_gnu_ld,
 105 [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
 106 if $LD -v 2>&1 </dev/null | egrep '(GNU ld|with BFD)' > /dev/null; then
 107   ac_cv_prog_gnu_ld=yes
 108 else
 109   ac_cv_prog_gnu_ld=no
 110 fi])
 111 ])