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Diffstat (limited to 'dev-libs/klibc/files/klibc.m4')
| -rw-r--r-- | dev-libs/klibc/files/klibc.m4 | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/dev-libs/klibc/files/klibc.m4 b/dev-libs/klibc/files/klibc.m4 new file mode 100644 index 000000000000..389226974506 --- /dev/null +++ b/dev-libs/klibc/files/klibc.m4 @@ -0,0 +1,94 @@ +# klibc.m4 serial 99 +## Copyright (C) 1995-2003 Free Software Foundation, Inc. +## This file is free software, distributed under the terms of the GNU +## General Public License. As a special exception to the GNU General +## Public License, this file may be distributed as part of a program +## that contains a configuration script generated by Autoconf, under +## the same distribution terms as the rest of that program. +## +## This file can can be used in projects which are not available under +## the GNU General Public License or the GNU Library General Public +## License but which still want to provide support for the GNU gettext +## functionality. +## Please note that the actual code of the KLIBC Library is partly covered +## by the GNU Library General Public License, and party copyrighted by the +## Regents of The University of California, and the rest is covered by a +## MIT style license. + +# Authors: +# Martin Schlemmer <azarah@nosferatu.za.org>, 2005. + + +# AC_CHECK_KLIBC +# -------------- +# Check if the user wants KLIBC support enabled. If so, set KLIBC=yes and +# fill in KLIBC_PREFIX, KLIBC_BINDIR, KLIBC_SBINDIR, KLIBC_LIBDIR and +# KLIBC_INCLUDEDIR. CC is also set to the proper klcc executable. +# NOTE: This should be called before AC_PROG_CC, and before header, function +# or type checks. +AC_DEFUN([AC_CHECK_KLIBC], +[AC_BEFORE([$0], [AC_PROG_CC]) +AC_REQUIRE([AC_CANONICAL_HOST]) +AC_ARG_ENABLE([klibc], + [AS_HELP_STRING([--enable-klibc], + [Enable linking to klibc [no]. You need at + least klibc-1.0 or later for this. Set KLCC + to the absolute file name of klcc if not in + the PATH])], + [KLIBC=$enableval], [KLIBC=no]) +AC_ARG_ENABLE([klibc-layout], + [AS_HELP_STRING([--enable-klibc-layout], + [Enable installing binaries, libraries and + headers into the klibc prefix [yes] ])], + [if test "X$KLIBC" != Xno; then + KLIBC_LAYOUT=$enableval + else + KLIBC_LAYOUT=no + fi], + [if test "X$KLIBC" != Xno; then + KLIBC_LAYOUT=yes + else + KLIBC_LAYOUT=no + fi]) + +if test "X$KLIBC" != Xno; then + # Basic cross compiling support. I do not think it is wise to use + # AC_CHECK_TOOL, because if we are cross compiling, we do not want + # just 'klcc' to be returned ... + if test "${host_alias}" != "${build_alias}"; then + AC_CHECK_PROGS([KLCC], [${host_alias}-klcc], [no]) + else + AC_CHECK_PROGS([KLCC], [klcc], [no]) + fi + if test "X$KLCC" = Xno; then + AC_MSG_ERROR([cannot find klibc frontend 'klcc'!]) + fi + + CC="$KLCC" + CFLAGS="-Os" + + KLIBC_KCROSS="$($KLCC -print-klibc-kcross 2>/dev/null)" + KLIBC_PREFIX="$($KLCC -print-klibc-prefix 2>/dev/null)" + KLIBC_BIN_DIR="$($KLCC -print-klibc-bindir 2>/dev/null)" + KLIBC_SBIN_DIR="${KLIBC_PREFIX}/${KLIBC_KCROSS}sbin" + KLIBC_LIB_DIR="$($KLCC -print-klibc-libdir 2>/dev/null)" + KLIBC_INCLUDE_DIR="$($KLCC -print-klibc-includedir 2>/dev/null)" + + if test "X$KLIBC_LAYOUT" != Xno; then + prefix="$KLIBC_PREFIX" + bindir="$KLIBC_BIN_DIR" + sbindir="$KLIBC_SBIN_DIR" + libdir="$KLIBC_LIB_DIR" + includedir="$KLIBC_INCLUDE_DIR" + fi + + # At least KLIBC_LIB_DIR should be valid, else klibc is too old or + # something went wrong + if test ! -d "$KLIBC_LIB_DIR"; then + AC_MSG_ERROR([your klibc installation is too old or not functional!]) + fi +fi + +AC_SUBST(KLIBC) +])# AC_CHECK_KLIBC + |