169 lines
5.5 KiB
Diff
169 lines
5.5 KiB
Diff
--- /dev/null
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+++ b/m4/pkg.m4
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@@ -0,0 +1,157 @@
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+# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*-
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+#
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+# Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
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+#
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+# This program is free software; you can redistribute it and/or modify
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+# it under the terms of the GNU General Public License as published by
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+# the Free Software Foundation; either version 2 of the License, or
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+# (at your option) any later version.
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+#
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+# This program is distributed in the hope that it will be useful, but
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+# WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+# General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License
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+# along with this program; if not, write to the Free Software
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+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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+#
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+# As a special exception to the GNU General Public License, if you
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+# distribute this file as part of a program that contains a
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+# configuration script generated by Autoconf, you may include it under
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+# the same distribution terms that you use for the rest of that program.
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+
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+# PKG_PROG_PKG_CONFIG([MIN-VERSION])
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+# ----------------------------------
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+AC_DEFUN([PKG_PROG_PKG_CONFIG],
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+[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
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+m4_pattern_allow([^PKG_CONFIG(_PATH)?$])
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+AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl
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+if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
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+ AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
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+fi
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+if test -n "$PKG_CONFIG"; then
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+ _pkg_min_version=m4_default([$1], [0.9.0])
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+ AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
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+ if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
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+ AC_MSG_RESULT([yes])
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+ else
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+ AC_MSG_RESULT([no])
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+ PKG_CONFIG=""
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+ fi
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+
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+fi[]dnl
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+])# PKG_PROG_PKG_CONFIG
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+
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+# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
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+#
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+# Check to see whether a particular set of modules exists. Similar
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+# to PKG_CHECK_MODULES(), but does not set variables or print errors.
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+#
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+#
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+# Similar to PKG_CHECK_MODULES, make sure that the first instance of
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+# this or PKG_CHECK_MODULES is called, or make sure to call
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+# PKG_CHECK_EXISTS manually
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+# --------------------------------------------------------------
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+AC_DEFUN([PKG_CHECK_EXISTS],
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+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
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+if test -n "$PKG_CONFIG" && \
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+ AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
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+ m4_ifval([$2], [$2], [:])
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+m4_ifvaln([$3], [else
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+ $3])dnl
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+fi])
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+
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+
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+# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
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+# ---------------------------------------------
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+m4_define([_PKG_CONFIG],
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+[if test -n "$PKG_CONFIG"; then
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+ if test -n "$$1"; then
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+ pkg_cv_[]$1="$$1"
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+ else
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+ PKG_CHECK_EXISTS([$3],
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+ [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`],
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+ [pkg_failed=yes])
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+ fi
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+else
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+ pkg_failed=untried
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+fi[]dnl
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+])# _PKG_CONFIG
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+
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+# _PKG_SHORT_ERRORS_SUPPORTED
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+# -----------------------------
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+AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
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+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
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+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
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+ _pkg_short_errors_supported=yes
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+else
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+ _pkg_short_errors_supported=no
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+fi[]dnl
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+])# _PKG_SHORT_ERRORS_SUPPORTED
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+
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+
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+# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
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+# [ACTION-IF-NOT-FOUND])
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+#
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+#
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+# Note that if there is a possibility the first call to
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+# PKG_CHECK_MODULES might not happen, you should be sure to include an
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+# explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
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+#
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+#
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+# --------------------------------------------------------------
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+AC_DEFUN([PKG_CHECK_MODULES],
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+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
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+AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
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+AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
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+
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+pkg_failed=no
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+AC_MSG_CHECKING([for $1])
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+
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+_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
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+_PKG_CONFIG([$1][_LIBS], [libs], [$2])
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+
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+m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
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+and $1[]_LIBS to avoid the need to call pkg-config.
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+See the pkg-config man page for more details.])
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+
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+if test $pkg_failed = yes; then
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+ _PKG_SHORT_ERRORS_SUPPORTED
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+ if test $_pkg_short_errors_supported = yes; then
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+ $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "$2"`
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+ else
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+ $1[]_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
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+ fi
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+ # Put the nasty error message in config.log where it belongs
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+ echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
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+
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+ ifelse([$4], , [AC_MSG_ERROR(dnl
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+[Package requirements ($2) were not met:
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+
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+$$1_PKG_ERRORS
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+
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+Consider adjusting the PKG_CONFIG_PATH environment variable if you
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+installed software in a non-standard prefix.
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+
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+_PKG_TEXT
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+])],
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+ [AC_MSG_RESULT([no])
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+ $4])
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+elif test $pkg_failed = untried; then
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+ ifelse([$4], , [AC_MSG_FAILURE(dnl
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+[The pkg-config script could not be found or is too old. Make sure it
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+is in your PATH or set the PKG_CONFIG environment variable to the full
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+path to pkg-config.
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+
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+_PKG_TEXT
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+
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+To get pkg-config, see <http://pkg-config.freedesktop.org/>.])],
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+ [$4])
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+else
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+ $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
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+ $1[]_LIBS=$pkg_cv_[]$1[]_LIBS
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+ AC_MSG_RESULT([yes])
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+ ifelse([$3], , :, [$3])
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+fi[]dnl
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+])# PKG_CHECK_MODULES
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--- a/Makefile.am
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+++ b/Makefile.am
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@@ -1,4 +1,4 @@
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-ACLOCAL_AMFLAGS = -I shave
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+ACLOCAL_AMFLAGS = -I shave -I m4
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SUBDIRS = libbb libopkg src tests utils man
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