[Olena-patches] last-svn-commit-504-g6e8b5fe Revamp the handling of Magick++.

* m4/oln-with-lib.m4 (_OLN_WITH_LIB): Make all arguments mandatory. (OLN_WITH_LIB_PKG_CONFIG, _OLN_WITH_LIB_PKG_CONFIG): New macros. * configure.ac: Use OLN_WITH_LIB_PKG_CONFIG to handle Magick++ --- ChangeLog | 9 +++++ configure.ac | 44 +----------------------- m4/oln-with-lib.m4 | 96 ++++++++++++++++++++++++++++++++++++++++++++++++++- 3 files changed, 105 insertions(+), 44 deletions(-) diff --git a/ChangeLog b/ChangeLog index e62355c..76dbf12 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,12 @@ +2010-10-21 Roland Levillain &lt;roland(a)lrde.epita.fr&gt; + + Revamp the handling of Magick++. + + * m4/oln-with-lib.m4 (_OLN_WITH_LIB): Make all arguments + mandatory. + (OLN_WITH_LIB_PKG_CONFIG, _OLN_WITH_LIB_PKG_CONFIG): New macros. + * configure.ac: Use OLN_WITH_LIB_PKG_CONFIG to handle Magick++ + 2010-10-20 Roland Levillain &lt;roland(a)lrde.epita.fr&gt; Have configure be terser. diff --git a/configure.ac b/configure.ac index 09b1fa4..02cd8bd 100644 --- a/configure.ac +++ b/configure.ac @@ -191,9 +191,6 @@ AM_CONDITIONAL([DARWIN], [echo "$host_os" | grep '^darwin']) ## External libraries. ## ## -------------------- ## -# Prepare calls to pkg-config -PKG_PROG_PKG_CONFIG - ### Support for FreeImagePlus has been disabled for Olena 1.0. ## OLN_WITH_LIB([FreeImagePlus], [FreeImagePlus.h], [freeimageplus]) @@ -249,45 +246,8 @@ OLN_WITH_LIB([CFITSIO], [fitsio.h], [cfitsio]) ## Magick++. ## ## --------- ## -# FIXME: We should handle Magick++ both with Magick++-config and -# pkg-config? instead of OLN_WITH_LIB. See how other projects handle -# this. - - -AC_ARG_WITH([magickxx], - [AC_HELP_STRING([--with-magickxx], - [enable magickxx support (default)])], - [with_magickxx=$withval], - [with_magickxx='yes']) - -oln_have_magickxx=no - -if test "x$with_magickxx" != xno; then - # Try to use ImageMagick from a specified path. - if test "x$with_magickxx" != xyes; then - AC_MSG_CHECKING([with given path $with_magickxx]) - OLN_WITH_LIB([Magick++], [Magick++.h], [Magick++], [magickxx], - [MAGICKXX]) - fi - - # Check with pkg-config if previous test failed or if no path have - # been passed through --with-magickxx argument. - if test "x$oln_have_magickxx" = xno; then - PKG_CHECK_MODULES(MAGICKXX,[ImageMagick++], oln_have_magickxx=yes, - oln_have_magickxx=no) - - if test "x$oln_have_magickxx" = xyes; then - AC_DEFINE([HAVE_MAGICKXX], 1, - [Define to 1 if we can use libMagick++]) - # Use standard variable names. - MAGICKXX_CPPFLAGS="$MAGICKXX_CFLAGS" - MAGICKXX_LDFLAGS="$MAGICKXX_LIBS" - AC_SUBST(MAGICKXX_CPPFLAGS) - AC_SUBST(MAGICKXX_LDFLAGS) - fi - fi -fi - +OLN_WITH_LIB_PKG_CONFIG([Magick++], [Magick++.h], [Magick++], [magickxx], + [MAGICKXX], [], [ImageMagick++]) AM_CONDITIONAL(HAVE_MAGICKXX, test "x$oln_have_magickxx" = xyes) #------------------------------------------------------------ diff --git a/m4/oln-with-lib.m4 b/m4/oln-with-lib.m4 index 780923c..01530b9 100644 --- a/m4/oln-with-lib.m4 +++ b/m4/oln-with-lib.m4 @@ -1,6 +1,7 @@ # -*- Autoconf -*- -# Copyright (C) 2009 EPITA Research and Development Laboratory (LRDE) +# Copyright (C) 2009, 2010 EPITA Research and Development Laboratory +# (LRDE) # # This file is part of Olena. # @@ -61,7 +62,7 @@ m4_default([$5], m4_toupper([$3])),dnl # _OLN_WITH_LIB(PACKAGE, HEADER, LIBRARY, SHELL_NAME, CPP_NAME, -# [OTHER-LIBRARIES]) +# OTHER-LIBRARIES) # ------------------------------------------------------------- # Actual implementation of OLN_WITH_LIB. AC_DEFUN([_OLN_WITH_LIB], @@ -101,3 +102,94 @@ AC_DEFUN([_OLN_WITH_LIB], AM_CONDITIONAL([HAVE_$5], [test x$oln_have_$4 = xyes]) AC_LANG_POP([C++]) ])# _OLN_WITH_LIB + + + +# FIXME: Factor the following macros with the previous ones. + + +# OLN_WITH_LIB_PKG_CONFIG(PACKAGE, HEADER, LIBRARY, [SHELL_NAME], [CPP_NAME], +# [OTHER-LIBRARIES], [MODULE]) +# --------------------------------------------------------------------------- +# Like OLN_WITH_LIB, except that `pkg-config' is first tried to look +# for the module (library) named MODULE. If this first step fails +# (because `pkg-config' is missing, or not working, or cannot find +# MODULE), use a fall-back code similar to OLN_WITH_LIB's. +# +# If not given, MODULE defaults to PACKAGE. +# +# Example of use: +# +# OLN_WITH_LIB_PKG_CONFIG([Magick++], [Magick++.h], [Magick++], [magickxx], +# [MAGICKXX], [], [ImageMagick++]) +# +AC_DEFUN([OLN_WITH_LIB_PKG_CONFIG], +[dnl Do some sanity checking of the arguments. +m4_if([$1], , [AC_FATAL([$0: missing argument 1])])dnl +m4_if([$2], , [AC_FATAL([$0: missing argument 2])])dnl +m4_if([$3], , [AC_FATAL([$0: missing argument 3])])dnl +_OLN_WITH_LIB_PKG_CONFIG([$1], [$2], [$3],dnl +dnl Process optional arguments. +m4_default([$4], m4_tolower([$3])),dnl +m4_default([$5], m4_toupper([$3])),dnl +[$6],dnl +m4_default([$7], [$1]))dnl +])# OLN_WITH_LIB_PKG_CONFIG + +# _OLN_WITH_LIB_PKG_CONFIG(PACKAGE, HEADER, LIBRARY, SHELL_NAME, CPP_NAME, +# OTHER-LIBRARIES, MODULE) +# ------------------------------------------------------------------------ +# Actual implementation of OLN_WITH_LIB_PKG_CONFIG. +AC_DEFUN([_OLN_WITH_LIB_PKG_CONFIG], +[dnl + AC_REQUIRE([AC_PROG_CXX]) + AC_REQUIRE([PKG_PROG_PKG_CONFIG]) + AC_LANG_PUSH([C++]) + AC_ARG_WITH([$4], + [AC_HELP_STRING([--with-$4@<:@=DIR@:>@], + [use $1 (DIR = prefix for $1 installation)])]) + $5_CPPFLAGS='' + $5_LDFLAGS='' + if test "x$with_$4" != xno; then + # First try with pkg-config. + PKG_CHECK_EXISTS([$7], [oln_with_lib_$4_uses_pkg_config=yes]) + if test x$oln_with_lib_$4_uses_pkg_config = xyes; then + # `pkg-config' seems to work and has been able to find the library; + # use it. + PKG_CHECK_MODULES([$5], [$7], + [oln_have_$4=yes + AC_DEFINE([HAVE_$5], 1, [Define to 1 if we can use $1]) + # Define CPPFLAGS and LDFLAGS. + $5_CPPFLAGS="$$5_CFLAGS" + $5_LDFLAGS="$$5_LIBS"]) + else + # `pkg-config' is absent, unusable or is unable to find the library; + # use our fall-back code. + if test -n "$with_$4"; then + $5_CPPFLAGS="-I${with_$4}/include" + $5_LDFLAGS="-L${with_$4}/lib" + fi + oln_save_CPPFLAGS=$CPPFLAGS + oln_save_LDFLAGS=$LDFLAGS + CPPFLAGS="$$5_CPPFLAGS $CPPFLAGS" + LDFLAGS="$$5_LDFLAGS $LDFLAGS" + oln_have_$4=no + AC_CHECK_HEADER([$2], + [AC_CHECK_LIB([$3], + [main], + [oln_have_$4=yes + $5_LDFLAGS="$$5_LDFLAGS -l$3 $6" + AC_DEFINE([HAVE_$5], 1, [Define to 1 if we can use $1])], + [], [$6] + )] + ) + CPPFLAGS=$oln_save_CPPFLAGS + LDFLAGS=$oln_save_LDFLAGS + TOOLS_LDFLAGS="$TOOLS_LDFLAGS $$5_LDFLAGS" + fi + fi + AC_SUBST([$5_CPPFLAGS]) + AC_SUBST([$5_LDFLAGS]) + AM_CONDITIONAL([HAVE_$5], [test x$oln_have_$4 = xyes]) + AC_LANG_POP([C++]) +])# _OLN_WITH_LIB_PKG_CONFIG -- 1.5.6.5