[Olena-patches] last-svn-commit-421-gaa19b0a Handle libMagick++ dependency with pkg-config.

* configure.ac: Use PKG_* macros to find Magick++ path and libraries. * m4/pkg.m4: New macros to use pkg-config. --- ChangeLog | 9 +++ configure.ac | 49 +++++++++++++++++-- m4/pkg.m4 | 155 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 209 insertions(+), 4 deletions(-) create mode 100644 m4/pkg.m4 diff --git a/ChangeLog b/ChangeLog index b41d019..c16a450 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,12 @@ +2010-08-03 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; + + Handle libMagick++ dependency with pkg-config. + + * configure.ac: Use PKG_* macros to find Magick++ path and + libraries. + + * m4/pkg.m4: New macros to use pkg-config. + 2010-07-01 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; * m4/autotroll.m4: Fix invalid configuration when Qt is missing. diff --git a/configure.ac b/configure.ac index 46dc531..efe48d6 100644 --- a/configure.ac +++ b/configure.ac @@ -191,17 +191,58 @@ AM_CONDITIONAL([DARWIN], [echo "$host_os" | grep '^darwin']) ## External libraries. ## ## -------------------- ## +# Prepare calls to pkg-config +PKG_PROG_PKG_CONFIG ### Support for FreeImagePlus has been disabled for Olena 1.0. ## OLN_WITH_LIB([FreeImagePlus], [FreeImagePlus.h], [freeimageplus]) # CFITSIO library. OLN_WITH_LIB([CFITSIO], [fitsio.h], [cfitsio]) + +#------------------------------------------------------------ # Magick++. -# FIXME: We should handle Magick++ using pkgconfig (and/or -# Magick++-config?) instead of OLN_WITH_LIB. See how other projects -# handle this. -OLN_WITH_LIB([Magick++], [Magick++.h], [Magick++], [magickxx], [MAGICKXX]) + +# FIXME: We should handle Magick++ both with Magick++-config and +# pkg-config? instead of OLN_WITH_LIB. See how other projects handle +# this. +#OLN_WITH_LIB([Magick++], [Magick++.h], [Magick++], [magickxx], [MAGICKXX]) + +AC_ARG_WITH([magickxx], + [AC_HELP_STRING([--with-magickxx], + [enable magickxx support (default)])], + [with_magickxx=$withval], + [with_magickxx='yes']) + +if test "x$with_magickxx" != 'xyes'; then + DISTCHECK_CONFIG_FLAGS="${DISTCHECK_CONFIG_FLAGS} --with-magickxx=$with_magickxx " +fi + +have_magickxx='no' +MAGICKXX_CFLAGS="" +MAGICKXX_LIBS="" +MAGICKXX_PKG="" +if test "x$with_magickxx" = 'xyes'; then + AC_MSG_RESULT([]) + AC_MSG_RESULT([* libMagick++]) + AC_MSG_RESULT([---------------]) + PKG_CHECK_MODULES(MAGICKXX,[ImageMagick++], have_magickxx=yes, have_magickxx=no) + AC_MSG_RESULT([]) +fi + +if test "$have_magickxx" = 'yes'; then + AC_DEFINE([HAVE_MAGICKXX], 1, [Define to 1 if we can use libMagick++]) + # Use standard variable names. + MAGICKXX_CPPFLAGS="$MAGICKXX_CFLAGS" + MAGICKXX_LDFLAGS="$MAGICKXX_LIBS" + AC_SUBST(MAGICKXX_CPPFLAGS) + AC_SUBST(MAGICKXX_LDFLAGS) +fi + +AM_CONDITIONAL(HAVE_MAGICKXX, test "x$have_magickxx" = 'xyes') + +#------------------------------------------------------------ + # TIFF library. OLN_WITH_LIB([TIFF], [tiff.h], [tiff]) diff --git a/m4/pkg.m4 b/m4/pkg.m4 new file mode 100644 index 0000000..cc47557 --- /dev/null +++ b/m4/pkg.m4 @@ -0,0 +1,155 @@ +# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- +# +# Copyright © 2004 Scott James Remnant &lt;scott(a)netsplit.com&gt;om>. +# +# 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 2 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# +# 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 "$$1"; then + pkg_cv_[]$1="$$1" + elif test -n "$PKG_CONFIG"; then + PKG_CHECK_EXISTS([$3], + [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`], + [pkg_failed=yes]) + 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 $2]) + +_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 --print-errors "$2" 2>&1` + else + $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors "$2" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD + + ifelse([$4], , [AC_MSG_ERROR(dnl +[Package requirements ($2) were not met: + +$$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 <http://pkg-config.freedesktop.org/>.])], + [$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 -- 1.5.6.5