projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 03c2a0f7 | 1 | ## -*- Autoconf -*- |
| 1b05fbbd | 2 | # Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2008 |
| 03c2a0f7 GK |
3 | # Free Software Foundation, Inc. |
| 4 | # | |
| 5 | # This file is free software; the Free Software Foundation | |
| 6 | # gives unlimited permission to copy and/or distribute it, | |
| 7 | # with or without modifications, as long as this notice is preserved. | |
| 8 | ||
| 9 | # serial 6 | |
| 10 | ||
| 11 | # AM_ENABLE_MULTILIB([MAKEFILE], [REL-TO-TOP-SRCDIR]) | |
| 12 | # --------------------------------------------------- | |
| 13 | # Add --enable-multilib to configure. | |
| 14 | AC_DEFUN([AM_ENABLE_MULTILIB], | |
| 15 | [# Default to --enable-multilib | |
| 16 | AC_ARG_ENABLE(multilib, | |
| 17 | [ --enable-multilib build many library versions (default)], | |
| 18 | [case "$enableval" in | |
| 19 | yes) multilib=yes ;; | |
| 20 | no) multilib=no ;; | |
| 21 | *) AC_MSG_ERROR([bad value $enableval for multilib option]) ;; | |
| 22 | esac], | |
| 23 | [multilib=yes]) | |
| 24 | ||
| 25 | # We may get other options which we leave undocumented: | |
| 26 | # --with-target-subdir, --with-multisrctop, --with-multisubdir | |
| 27 | # See config-ml.in if you want the gory details. | |
| 28 | ||
| 29 | if test "$srcdir" = "."; then | |
| 30 | if test "$with_target_subdir" != "."; then | |
| 31 | multi_basedir="$srcdir/$with_multisrctop../$2" | |
| 32 | else | |
| 33 | multi_basedir="$srcdir/$with_multisrctop$2" | |
| 34 | fi | |
| 35 | else | |
| 36 | multi_basedir="$srcdir/$2" | |
| 37 | fi | |
| 38 | AC_SUBST(multi_basedir) | |
| 39 | ||
| 40 | # Even if the default multilib is not a cross compilation, | |
| 41 | # it may be that some of the other multilibs are. | |
| 42 | if test $cross_compiling = no && test $multilib = yes \ | |
| 43 | && test "x${with_multisubdir}" != x ; then | |
| 44 | cross_compiling=maybe | |
| 45 | fi | |
| 46 | ||
| 47 | AC_OUTPUT_COMMANDS([ | |
| 48 | # Only add multilib support code if we just rebuilt the top-level | |
| 49 | # Makefile. | |
| 50 | case " $CONFIG_FILES " in | |
| 51 | *" ]m4_default([$1],Makefile)[ "*) | |
| 52 | ac_file=]m4_default([$1],Makefile)[ . ${multi_basedir}/config-ml.in | |
| 53 | ;; | |
| 54 | esac], | |
| 55 | [ | |
| 56 | srcdir="$srcdir" | |
| 57 | host="$host" | |
| 58 | target="$target" | |
| 59 | with_multisubdir="$with_multisubdir" | |
| 60 | with_multisrctop="$with_multisrctop" | |
| 61 | with_target_subdir="$with_target_subdir" | |
| 62 | ac_configure_args="${multilib_arg} ${ac_configure_args}" | |
| 63 | multi_basedir="$multi_basedir" | |
| 64 | CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} | |
| 1b05fbbd AO |
65 | CC="$CC" |
| 66 | CXX="$CXX" | |
| 0b4d000c JM |
67 | GFORTRAN="$GFORTRAN" |
| 68 | GDC="$GDC"])])dnl |