Re: Help with a variable in a .pc file

["Daniel Espinosa" <esodan gmail com>]

A lot of Thanks for your help, I have made the changes sugested and now I
found in the Makefile that the route to the directories are as spected
'/usr/share/glade3/catalogs'

But now please help me! I have configure.in and glade/Makefile.am, the
configure process creates the Makefile.in and Makefile in the glade dir, but
when I call make the library isn't created... Could you help me?

2006/10/3, David Nečas (Yeti) <yeti physics muni cz>:
> On Mon, Oct 02, 2006 at 06:01:30PM -0500, Daniel Espinosa wrote:
> > Could any help me on how to get a variable value in a .pc file?
> >
> > I have the following values in the glade-3.pc file:
> >
> > catalogdir=${prefix}/share/glade3/catalogs
> > pixmapdir=${prefix}/share/glade3/pixmaps
> > moduledir=${exec_prefix}/lib/glade3/modules
> >
> > I need this variables in order to install the compiled and support files
> in
> > the correct plase to allow glade3 to find them.
>
> This makes sense.
>
> > At moment I try in configure.in to use the following sentences:
> >
> >     AC_SUBST(GLADE3_PIXMAP_DIR, '[$(shell pkg-config
> --variable=pixmapdir
> > glade-3)]')
> >     AC_SUBST(GLADE3_MODULES_DIR, '[$(shell pkg-config
> --variable=moduledir
> > glade-3)]')
> >     AC_SUBST(GLADE3_CATALOG_DIR, '[$(shell pkg-config
> --variable=catalogdir
> > glade-3)]')
>
> But this doesn't.  If you want to use constructs like
> $(shell ...), you can throw all configure away and write
> a plain old nonportable Makefile directly embedding these.
>
> Autoconf works by
>
> 1. Finding information about the system using portable shell
> code.
>
> 2. Filling templates (of Makefiles, config.h and often of
> other files too) with these information.
>
> This way the generated files can avoid the use of special
> smart (and nonportable) features because the smartness is in
> configure.
>
> > Note that in configure I set the AC_OUTPUT to point to the glade
> directory,
> > ./configure is generating the Makefiles but never compiles them. In the
> > glade/Makefile.am I have:
> >
> > @INTLTOOL_XML_NOMERGE_RULE@
> >
> > catalogsdir = $(GLADE3_CATALOG_DIR)
> > catalogs_DATA = gnomedb.xml gnomedb.xml.in
> >
> > EXTRA_DIST = \
> >         $(catalogs_DATA)
> >
> > INCLUDES = \
> >             -g -Wall \
> >             -I$(top_srcdir)                    \
> >             -I$(top_builddir)                \
> >             -DG_LOG_DOMAIN=\"GnomeDB\"      \
> >             $(LIBGNOMEDB_CFLAGS)             \
> >             $(WITHGNOME_CFLAGS)                \
> >             $(GLADE3_CFLAGS)
> >
> > gladegnomedb_LTLIBRARIES = libgladegnomedb.la
> >
> > gladegnomedbdir = $(GLADE3_MODULES_DIR)
> >
> > libgladegnomedb_la_LIBADD = $(top_builddir)/libgnomedb/libgnomedb-3.la
>   \
> >                                 $(LIBGNOMEDB_LIBS) $(WITHGNOME_LIBS)
> > $(GLADE3_LIBS)
> >
> > libgladegnomedb_la_LDFLAGS = -module -avoid-version
> >
> > libgladegnomedb_la_SOURCES = glade-gnomedb.c
>
> There is neither @GLADE3_PIXMAP_DIR@, nor
> @GLADE3_MODULES_DIR@ nor @GLADE3_CATALOG_DIR    So your
> AC_SUBST has nothing to do.  Please read autoconf
> documentation, but you should at least know AC_SUBST creates
> @foo@ substitutons and AC_DEFINE creates config.h #defines.
>
> You need at least something like
>
> configure.ac:
>   PKG_CHECK_MODULES(GLADE3, glade-3)
>   GLADE3_PIXMAP_DIR=`pkg-config --variable=pixmapdir glade-3`
>   GLADE3_MODULE_DIR=`pkg-config --variable=moduledir glade-3`
>   GLADE3_CATALOG_DIR=`pkg-config --variable=catalogsdir glade-3`
>   AC_SUBST(GLADE3_PIXMAP_DIR)
>   AC_SUBST(GLADE3_MODULE_DIR)
>   AC_SUBST(GLADE3_CATALOG_DIR)
>
> Makefile.am:
>   gladegnomedbdir = @GLADE3_MODULE_DIR@
>   catalogdir = @GLADE3_CATALOG_DIR@
>   ...
>
> Yeti
>
>
> --
> Whatever.
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