1 1.1 mrg ## -*- Autoconf -*- 2 1.1 mrg # Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2008 3 1.1 mrg # Free Software Foundation, Inc. 4 1.1 mrg # 5 1.1 mrg # This file is free software; the Free Software Foundation 6 1.1 mrg # gives unlimited permission to copy and/or distribute it, 7 1.1 mrg # with or without modifications, as long as this notice is preserved. 8 1.1 mrg 9 1.1 mrg # serial 6 10 1.1 mrg 11 1.1 mrg # AM_ENABLE_MULTILIB([MAKEFILE], [REL-TO-TOP-SRCDIR]) 12 1.1 mrg # --------------------------------------------------- 13 1.1 mrg # Add --enable-multilib to configure. 14 1.1 mrg AC_DEFUN([AM_ENABLE_MULTILIB], 15 1.1 mrg [# Default to --enable-multilib 16 1.1 mrg AC_ARG_ENABLE(multilib, 17 1.1 mrg [ --enable-multilib build many library versions (default)], 18 1.1 mrg [case "$enableval" in 19 1.1 mrg yes) multilib=yes ;; 20 1.1 mrg no) multilib=no ;; 21 1.1 mrg *) AC_MSG_ERROR([bad value $enableval for multilib option]) ;; 22 1.1 mrg esac], 23 1.1 mrg [multilib=yes]) 24 1.1 mrg 25 1.1 mrg # We may get other options which we leave undocumented: 26 1.1 mrg # --with-target-subdir, --with-multisrctop, --with-multisubdir 27 1.1 mrg # See config-ml.in if you want the gory details. 28 1.1 mrg 29 1.1 mrg if test "$srcdir" = "."; then 30 1.1 mrg if test "$with_target_subdir" != "."; then 31 1.1 mrg multi_basedir="$srcdir/$with_multisrctop../$2" 32 1.1 mrg else 33 1.1 mrg multi_basedir="$srcdir/$with_multisrctop$2" 34 1.1 mrg fi 35 1.1 mrg else 36 1.1 mrg multi_basedir="$srcdir/$2" 37 1.1 mrg fi 38 1.1 mrg AC_SUBST(multi_basedir) 39 1.1 mrg 40 1.1 mrg # Even if the default multilib is not a cross compilation, 41 1.1 mrg # it may be that some of the other multilibs are. 42 1.1 mrg if test $cross_compiling = no && test $multilib = yes \ 43 1.1 mrg && test "x${with_multisubdir}" != x ; then 44 1.1 mrg cross_compiling=maybe 45 1.1 mrg fi 46 1.1 mrg 47 1.1 mrg AC_OUTPUT_COMMANDS([ 48 1.1 mrg # Only add multilib support code if we just rebuilt the top-level 49 1.1 mrg # Makefile. 50 1.1 mrg case " $CONFIG_FILES " in 51 1.1 mrg *" ]m4_default([$1],Makefile)[ "*) 52 1.1 mrg ac_file=]m4_default([$1],Makefile)[ . ${multi_basedir}/config-ml.in 53 1.1 mrg ;; 54 1.1 mrg esac], 55 1.1 mrg [ 56 1.1 mrg srcdir="$srcdir" 57 1.1 mrg host="$host" 58 1.1 mrg target="$target" 59 1.1 mrg with_multisubdir="$with_multisubdir" 60 1.1 mrg with_multisrctop="$with_multisrctop" 61 1.1 mrg with_target_subdir="$with_target_subdir" 62 1.1 mrg ac_configure_args="${multilib_arg} ${ac_configure_args}" 63 1.1 mrg multi_basedir="$multi_basedir" 64 1.1 mrg CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} 65 1.1 mrg CC="$CC" 66 1.1 mrg CXX="$CXX" 67 1.1.1.3 mrg GFORTRAN="$GFORTRAN" 68 1.1.1.3 mrg GDC="$GDC"])])dnl 69
Indexes created Sat Feb 28 05:31:39 UTC 2026