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autoconf: update m4/pkg.m4
The provenance of the m4 pkg.m4 macro library was not documented and it was not clear how and if we can update this without breaking things. Document where this comes from, update us to the latest release from git and put a warning about avoiding private evolutions so that instead things go upstream. The pkg-config m4 macro library comes from the upstream pkg-config git repository [0]. If you update the m4 library update this file with provenance and last commit ID information. For documentation on how to use this read the pkg-config(1) man page. Tree: git://anongit.freedesktop.org/pkg-config The last synch was from commit: commit 4f0084d9d3b8726a797a373c7ec5e406000995d0 Author: Dan Nicholson <dbn.lists@gmail.com> Date: Mon Feb 3 15:59:18 2014 -0800 glib: Fix Makefiles to suppress warnings from automake With the newly added glib.mk, some of the noinst_* variables need to use += in the evaluation to avoid multiple definition warnings from automake. Cc: Ian Campbell <ian.campbell@citrix.com> Cc: Ian Jackson <ian.jackson@eu.citrix.com> Cc: Jan Beulich <jbeulich@suse.com> Cc: Keir Fraser <keir@xen.org> Cc: Tim Deegan <tim@xen.org> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com> [ ijc -- ran autogen.sh ]
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Luis R. Rodriguez authored and Ian Campbell committed
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@@ -26,7 +26,8 @@
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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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m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
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m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
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AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
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AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
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AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
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@@ -72,7 +73,8 @@ m4_define([_PKG_CONFIG],
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pkg_cv_[]$1="$$1"
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elif test -n "$PKG_CONFIG"; then
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PKG_CHECK_EXISTS([$3],
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[pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`],
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[pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
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test "x$?" != "x0" && pkg_failed=yes ],
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[pkg_failed=yes])
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else
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pkg_failed=untried
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@@ -120,9 +122,9 @@ if test $pkg_failed = yes; then
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AC_MSG_RESULT([no])
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_PKG_SHORT_ERRORS_SUPPORTED
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if test $_pkg_short_errors_supported = yes; then
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$1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "$2" 2>&1`
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$1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
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else
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$1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors "$2" 2>&1`
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$1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
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fi
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# Put the nasty error message in config.log where it belongs
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echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
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@@ -135,7 +137,7 @@ $$1_PKG_ERRORS
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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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_PKG_TEXT])dnl
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_PKG_TEXT])[]dnl
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])
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elif test $pkg_failed = untried; then
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AC_MSG_RESULT([no])
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@@ -146,7 +148,7 @@ path to pkg-config.
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_PKG_TEXT
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To get pkg-config, see <http://pkg-config.freedesktop.org/>.])dnl
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To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
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])
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else
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$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
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@@ -155,3 +157,77 @@ else
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$3
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fi[]dnl
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])# PKG_CHECK_MODULES
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# PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
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# [ACTION-IF-NOT-FOUND])
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# ---------------------------------------------------------------------
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# Checks for existence of MODULES and gathers its build flags with
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# static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags
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# and VARIABLE-PREFIX_LIBS from --libs.
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#
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# Note that if there is a possibility the first call to
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# PKG_CHECK_MODULES_STATIC might not happen, you should be sure to include
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# an explicit call to PKG_PROG_PKG_CONFIG in your configure.ac.
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AC_DEFUN([PKG_CHECK_MODULES_STATIC],
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[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
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_save_PKG_CONFIG=$PKG_CONFIG
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PKG_CONFIG="$PKG_CONFIG --static"
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PKG_CHECK_MODULES($@)
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PKG_CONFIG=$_save_PKG_CONFIG[]dnl
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])
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# PKG_INSTALLDIR(DIRECTORY)
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# -------------------------
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# Substitutes the variable pkgconfigdir as the location where a module
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# should install pkg-config .pc files. By default the directory is
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# $libdir/pkgconfig, but the default can be changed by passing
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# DIRECTORY. The user can override through the --with-pkgconfigdir
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# parameter.
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AC_DEFUN([PKG_INSTALLDIR],
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[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])])
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m4_pushdef([pkg_description],
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[pkg-config installation directory @<:@]pkg_default[@:>@])
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AC_ARG_WITH([pkgconfigdir],
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[AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],,
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[with_pkgconfigdir=]pkg_default)
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AC_SUBST([pkgconfigdir], [$with_pkgconfigdir])
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m4_popdef([pkg_default])
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m4_popdef([pkg_description])
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]) dnl PKG_INSTALLDIR
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# PKG_NOARCH_INSTALLDIR(DIRECTORY)
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# -------------------------
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# Substitutes the variable noarch_pkgconfigdir as the location where a
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# module should install arch-independent pkg-config .pc files. By
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# default the directory is $datadir/pkgconfig, but the default can be
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# changed by passing DIRECTORY. The user can override through the
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# --with-noarch-pkgconfigdir parameter.
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AC_DEFUN([PKG_NOARCH_INSTALLDIR],
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[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])])
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m4_pushdef([pkg_description],
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[pkg-config arch-independent installation directory @<:@]pkg_default[@:>@])
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AC_ARG_WITH([noarch-pkgconfigdir],
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[AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],,
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[with_noarch_pkgconfigdir=]pkg_default)
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AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir])
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m4_popdef([pkg_default])
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m4_popdef([pkg_description])
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]) dnl PKG_NOARCH_INSTALLDIR
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# PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
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# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
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# -------------------------------------------
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# Retrieves the value of the pkg-config variable for the given module.
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AC_DEFUN([PKG_CHECK_VAR],
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[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
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AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
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_PKG_CONFIG([$1], [variable="][$3]["], [$2])
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AS_VAR_COPY([$1], [pkg_cv_][$1])
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AS_VAR_IF([$1], [""], [$5], [$4])dnl
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])# PKG_CHECK_VAR
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