Stubs out parts of configure not needed for the base library to avoid
additional build dependencies. Some can be avoided by setting environment
variables, but not all.

-- Chewi

diff -Naur a/configure b/configure
--- a/configure	2019-09-08 19:32:47.000000000 +0100
+++ b/configure	2022-05-21 09:43:26.396618735 +0100
@@ -4894,6 +4894,7 @@
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
+: <<'END'
 for ac_prog in flex lex
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
@@ -5106,6 +5107,7 @@
     as_fn_error $? "bison is required" "$LINENO" 5
     ;;
 esac
+END
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -17726,6 +17728,7 @@
 fi
 
 
+: <<'END'
 pkg_failed=no
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GDA" >&5
 $as_echo_n "checking for GDA... " >&6; }
@@ -19533,6 +19536,7 @@
 $as_echo "#define ENABLE_PACKAGEKIT 1" >>confdefs.h
 
 fi
+END
 
 LIBANJUTA_CFLAGS='$(ANJUTA_CFLAGS) $(GDL_CFLAGS) $(DEPRECATED_FLAGS) -I$(top_srcdir) -I$(top_builddir)/libanjuta -DPACKAGE_PIXMAPS_DIR=\""$(datadir)/pixmaps/$(PACKAGE)"\" -DPACKAGE_LIB_DIR=\""$(pkglibdir)"\" -DPACKAGE_DATA_DIR=\""$(datadir)/$(PACKAGE)"\"'
 LIBANJUTA_LIBS='$(top_builddir)/libanjuta/libanjuta-3.la'
@@ -19624,6 +19628,7 @@
 
 
 
+: <<'END'
 case "$am__api_version" in
     1.01234)
 	as_fn_error $? "Automake 1.5 or newer is required to use intltool" "$LINENO" 5
@@ -20441,6 +20446,7 @@
 
 
   ac_config_commands="$ac_config_commands po-directories"
+END
 
 
 
@@ -22459,6 +22465,7 @@
 
 
 
+: <<'END'
 YELP_LC_MEDIA_LINKS=true
 YELP_LC_DIST=true
 
@@ -22738,6 +22745,7 @@
 	  done; \
 	done;
 '
+END
 
 
 
@@ -24091,6 +24099,14 @@
   am__EXEEXT_FALSE=
 fi
 
+HAVE_PLUGIN_TERMINAL_TRUE='#'
+HAVE_PLUGIN_DEVHELP_TRUE='#'
+HAVE_PLUGIN_GLADE_TRUE='#'
+ENABLE_GLADE_CATALOG_TRUE='#'
+HAVE_SQLITE_TRUE='#'
+ENABLE_VALA_TRUE='#'
+HAVE_PYTHON_TRUE='#'
+
 if test -z "${MAINTAINER_MODE_TRUE}" && test -z "${MAINTAINER_MODE_FALSE}"; then
   as_fn_error $? "conditional \"MAINTAINER_MODE\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5