diff options
Diffstat (limited to 'm4/pkg.m4')
| -rw-r--r-- | m4/pkg.m4 | 117 |
1 files changed, 87 insertions, 30 deletions
@@ -1,4 +1,5 @@ # pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- +# serial 1 (pkg-config-0.24) # # Copyright © 2004 Scott James Remnant <scott@netsplit.com>. # @@ -25,8 +26,12 @@ # ---------------------------------- 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 +m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) +m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) +AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) +AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) +AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) + if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) fi @@ -39,7 +44,6 @@ if test -n "$PKG_CONFIG"; then AC_MSG_RESULT([no]) PKG_CONFIG="" fi - fi[]dnl ])# PKG_PROG_PKG_CONFIG @@ -48,34 +52,32 @@ fi[]dnl # 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 +# Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) +# only at the first occurence in configure.ac, so if the first place +# it's called might be skipped (such as if it is within an "if", you +# have 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_default([$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 +[if test -n "$$1"; then + pkg_cv_[]$1="$$1" + elif test -n "$PKG_CONFIG"; then + PKG_CHECK_EXISTS([$3], + [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes ], + [pkg_failed=yes]) + else + pkg_failed=untried fi[]dnl ])# _PKG_CONFIG @@ -117,16 +119,17 @@ 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 + AC_MSG_RESULT([no]) _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"` + $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1` else - $1[]_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"` + $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD - ifelse([$4], , [AC_MSG_ERROR(dnl + m4_default([$4], [AC_MSG_ERROR( [Package requirements ($2) were not met: $$1_PKG_ERRORS @@ -134,24 +137,78 @@ $$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]) +_PKG_TEXT])[]dnl + ]) elif test $pkg_failed = untried; then - ifelse([$4], , [AC_MSG_FAILURE(dnl + AC_MSG_RESULT([no]) + m4_default([$4], [AC_MSG_FAILURE( [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 <http://www.freedesktop.org/software/pkgconfig>.])], - [$4]) +To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl + ]) else $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS $1[]_LIBS=$pkg_cv_[]$1[]_LIBS AC_MSG_RESULT([yes]) - ifelse([$3], , :, [$3]) + $3 fi[]dnl ])# PKG_CHECK_MODULES + + +# PKG_INSTALLDIR(DIRECTORY) +# ------------------------- +# Substitutes the variable pkgconfigdir as the location where a module +# should install pkg-config .pc files. By default the directory is +# $libdir/pkgconfig, but the default can be changed by passing +# DIRECTORY. The user can override through the --with-pkgconfigdir +# parameter. +AC_DEFUN([PKG_INSTALLDIR], +[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])]) +m4_pushdef([pkg_description], + [pkg-config installation directory @<:@]pkg_default[@:>@]) +AC_ARG_WITH([pkgconfigdir], + [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],, + [with_pkgconfigdir=]pkg_default) +AC_SUBST([pkgconfigdir], [$with_pkgconfigdir]) +m4_popdef([pkg_default]) +m4_popdef([pkg_description]) +]) dnl PKG_INSTALLDIR + + +# PKG_NOARCH_INSTALLDIR(DIRECTORY) +# ------------------------- +# Substitutes the variable noarch_pkgconfigdir as the location where a +# module should install arch-independent pkg-config .pc files. By +# default the directory is $datadir/pkgconfig, but the default can be +# changed by passing DIRECTORY. The user can override through the +# --with-noarch-pkgconfigdir parameter. +AC_DEFUN([PKG_NOARCH_INSTALLDIR], +[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])]) +m4_pushdef([pkg_description], + [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@]) +AC_ARG_WITH([noarch-pkgconfigdir], + [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],, + [with_noarch_pkgconfigdir=]pkg_default) +AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir]) +m4_popdef([pkg_default]) +m4_popdef([pkg_description]) +]) dnl PKG_NOARCH_INSTALLDIR + + +# PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE, +# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +# ------------------------------------------- +# Retrieves the value of the pkg-config variable for the given module. +AC_DEFUN([PKG_CHECK_VAR], +[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl +AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl + +_PKG_CONFIG([$1], [variable="][$3]["], [$2]) +AS_VAR_COPY([$1], [pkg_cv_][$1]) + +AS_VAR_IF([$1], [""], [$5], [$4])dnl +])# PKG_CHECK_VAR |