From 3106e9fac2316cbbb06261f54aa86a7a2e77e2b4 Mon Sep 17 00:00:00 2001 From: Jelmer Vernooij Date: Sat, 14 Mar 2009 20:56:26 +0100 Subject: [PATCH] Allow using external libtalloc. (cherry picked from commit 61447dfbbfe275e3704ff939480f38629b52064a) --- m4/pkg.m4 | 156 +++++++++++++++++++++++++++++++++++++++++++++++++++ source3/autogen.sh | 2 +- source3/configure.in | 21 ++++++- 3 files changed, 177 insertions(+), 2 deletions(-) create mode 100644 m4/pkg.m4 diff --git a/m4/pkg.m4 b/m4/pkg.m4 new file mode 100644 index 00000000000..a8b3d06c819 --- /dev/null +++ b/m4/pkg.m4 @@ -0,0 +1,156 @@ +# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- +# +# Copyright © 2004 Scott James Remnant . +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see . +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# PKG_PROG_PKG_CONFIG([MIN-VERSION]) +# ---------------------------------- +AC_DEFUN([PKG_PROG_PKG_CONFIG], +[m4_pattern_forbid([^_?PKG_[A-Z_]+$]) +m4_pattern_allow([^PKG_CONFIG(_PATH)?$]) +AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl +if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then + AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) +fi +if test -n "$PKG_CONFIG"; then + _pkg_min_version=m4_default([$1], [0.9.0]) + AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) + if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + PKG_CONFIG="" + fi + +fi[]dnl +])# PKG_PROG_PKG_CONFIG + +# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +# +# Check to see whether a particular set of modules exists. Similar +# to PKG_CHECK_MODULES(), but does not set variables or print errors. +# +# +# Similar to PKG_CHECK_MODULES, make sure that the first instance of +# this or PKG_CHECK_MODULES is called, or make sure to call +# PKG_CHECK_EXISTS manually +# -------------------------------------------------------------- +AC_DEFUN([PKG_CHECK_EXISTS], +[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl +if test -n "$PKG_CONFIG" && \ + AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then + m4_ifval([$2], [$2], [:]) +m4_ifvaln([$3], [else + $3])dnl +fi]) + + +# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) +# --------------------------------------------- +m4_define([_PKG_CONFIG], +[if test -n "$PKG_CONFIG"; then + if test -n "$$1"; then + pkg_cv_[]$1="$$1" + else + PKG_CHECK_EXISTS([$3], + [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`], + [pkg_failed=yes]) + fi +else + pkg_failed=untried +fi[]dnl +])# _PKG_CONFIG + +# _PKG_SHORT_ERRORS_SUPPORTED +# ----------------------------- +AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], +[AC_REQUIRE([PKG_PROG_PKG_CONFIG]) +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi[]dnl +])# _PKG_SHORT_ERRORS_SUPPORTED + + +# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], +# [ACTION-IF-NOT-FOUND]) +# +# +# Note that if there is a possibility the first call to +# PKG_CHECK_MODULES might not happen, you should be sure to include an +# explicit call to PKG_PROG_PKG_CONFIG in your configure.ac +# +# +# -------------------------------------------------------------- +AC_DEFUN([PKG_CHECK_MODULES], +[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl +AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl +AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl + +pkg_failed=no +AC_MSG_CHECKING([for $1]) + +_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) +_PKG_CONFIG([$1][_LIBS], [libs], [$2]) + +m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS +and $1[]_LIBS to avoid the need to call pkg-config. +See the pkg-config man page for more details.]) + +if test $pkg_failed = yes; then + _PKG_SHORT_ERRORS_SUPPORTED + if test $_pkg_short_errors_supported = yes; then + $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "$2"` + else + $1[]_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"` + fi + # Put the nasty error message in config.log where it belongs + echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD + + ifelse([$4], , [AC_MSG_ERROR(dnl +[Package requirements ($2) were not met: + +$$1_PKG_ERRORS + +Consider adjusting the PKG_CONFIG_PATH environment variable if you +installed software in a non-standard prefix. + +_PKG_TEXT +])], + [AC_MSG_RESULT([no]) + $4]) +elif test $pkg_failed = untried; then + ifelse([$4], , [AC_MSG_FAILURE(dnl +[The pkg-config script could not be found or is too old. Make sure it +is in your PATH or set the PKG_CONFIG environment variable to the full +path to pkg-config. + +_PKG_TEXT + +To get pkg-config, see .])], + [$4]) +else + $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS + $1[]_LIBS=$pkg_cv_[]$1[]_LIBS + AC_MSG_RESULT([yes]) + ifelse([$3], , :, [$3]) +fi[]dnl +])# PKG_CHECK_MODULES diff --git a/source3/autogen.sh b/source3/autogen.sh index 1a33eb22cc4..9ade370cd4d 100755 --- a/source3/autogen.sh +++ b/source3/autogen.sh @@ -65,7 +65,7 @@ echo "$0: running script/mkversion.sh" rm -rf autom4te*.cache rm -f configure include/config.h* -IPATHS="-Im4 -I../lib/replace -I../source4" +IPATHS="-Im4 -I../m4 -I../lib/replace -I../source4" echo "$0: running $AUTOHEADER $IPATHS" $AUTOHEADER $IPATHS || exit 1 diff --git a/source3/configure.in b/source3/configure.in index 49ec3baa47e..db008809ba4 100644 --- a/source3/configure.in +++ b/source3/configure.in @@ -20,10 +20,29 @@ AC_SUBST(builddir) m4_include(m4/samba_version.m4) m4_include(m4/check_path.m4) +m4_include(pkg.m4) AC_LIBREPLACE_CC_CHECKS -m4_include(../lib/talloc/libtalloc.m4) +AC_ARG_ENABLE(external_libtalloc, [AS_HELP_STRING([--enable-external-libtalloc], [Enable external talloc [default=auto]])], +[ enable_external_libtalloc=$enableval ], [ enable_external_libtalloc=auto ]) + +if test "x$enable_external_libtalloc" != xno +then + PKG_CHECK_MODULES(TALLOC, talloc >= 1.3.0, + [ enable_external_libtalloc=yes ], + [ if x$enable_external_libtalloc = xyes; then + AC_MSG_ERROR([Unable to find libtalloc]) + else + enable_external_libtalloc=no + fi + ]) +fi + +if "x$enable_external_libtalloc" = xno +then + m4_include(../lib/talloc/libtalloc.m4) +fi LIBTALLOC_OBJ0="" for obj in ${TALLOC_OBJ}; do -- 2.11.4.GIT