Put common modules Makefiles stuff to an include file

Less escaping, less stuff that Makefile.am's depend on

modules/common.am

+# Common code for VLC modules/.../Makefile.am
+#
+# Copyright (C) 2005-2007 the VideoLAN team
+# Copyright (C) 2005-2008 Rémi Denis-Courmont
+#
+# Authors: Sam Hocevar <sam@zoy.org>
+
+NULL =
+SUFFIXES = _plugin$(LIBEXT) _plugin.la
+
+libvlcdir = $(libdir)/vlc/$(basedir)
+libvlc_LTLIBRARIES =
+EXTRA_DIST = Modules.am
+BUILT_SOURCES =
+CLEANFILES =
+
+include $(srcdir)/Modules.am
+
+if HAVE_PLUGINS
+LTLIBVLC = $(top_builddir)/src/libvlc.la
+
+AM_LDFLAGS = -rpath '$(libvlcdir)' \
+	-avoid-version -module -no-undefined \
+	-shrext $(LIBEXT)
+if HAVE_COMPILER_EXPORT
+AM_LDFLAGS += -export-dynamic
+else
+AM_LDFLAGS += -export-symbol-regex ^vlc_entry
+endif
+AM_LIBADD = $(LTLIBVLC)
+endif
+
+all: all-modules
+
+nice:
+	$(top_builddir)/compile
+
+# Find out which modules were enabled and tell make to build them
+all-modules:
+	@set fnord $$MAKEFLAGS; amf=$$2; targets=`\
+	z=$$($(VLC_CONFIG) --list plugin); for mod in $(mods); do case "$$z " in *\ $${mod}\ *) echo lib$${mod}_plugin.la;; esac; done; \
+	`; case "$$targets" in *lib*) $(MAKE) $(AM_MAKEFLAGS) $$targets || case "$$amf" in *=*) exit 1;; *k*) fail=yes;; *) exit 1;; esac; ;; esac; \
+	test -z "$$fail"
+
+# Build a plugin with the adequate linker and linker's flags
+_plugin.la_plugin$(LIBEXT):
+	@mod="$*" ; mod=$${mod#lib} ; \
+	ldfl="`$(VLC_CONFIG) --libs plugin $$mod` $(LIBVLC) -u $(SYMPREF)$(VLC_ENTRY)" ; \
+	case `$(VLC_CONFIG) --linkage $$mod` in \
+	  c++)  ld="$(CXXLINK)" ;; \
+	  objc) ld="$(OBJCLINK)" ;; \
+	  c|*)  ld="$(LINK)" ;; \
+	esac ; \
+	echo $$ld $< $$ldfl ; \
+	$$ld $< $$ldfl
+
+if MAINTAINER_MODE
+$(srcdir)/Makefile.am: $(srcdir)/Modules.am $(top_srcdir)/modules/genmf
+	cd \$(top_srcdir) && \$(SHELL) modules/genmf ${dir}
+endif
+
+mostlyclean-local:
+	-rm -f -- *.la
+
+### automake creates libvlcdir after running install-*-local
+### so we have to create it ourselves first
+install-exec-local: all-modules
+	@if test -z "$(libvlc_LTLIBRARIES)"; then \
+	  z=$$($(VLC_CONFIG) --list plugin); \
+	  m=`for mod in $(mods); do case "$$z " in *\ $${mod}\ *) printf " lib$${mod}_plugin.la" ;; esac; done` ; \
+	  test -z "$$m" || \
+	    $(MAKE) $(AM_MAKEFLAGS) libvlc_LTLIBRARIES="$$m" install-libvlcLTLIBRARIES || exit $$? ; \
+	fi
+
+uninstall-local:
+	@if test -z "$(libvlc_LTLIBRARIES)"; then \
+	  z=$$($(VLC_CONFIG) --list plugin); \
+	  m=`for mod in $(mods); do case "$$z " in *\ $${mod}\ *) printf " lib$${mod}_plugin.la" ;; esac; done` ; \
+	  test -z "$$m" || \
+	    $(MAKE) $(AM_MAKEFLAGS) libvlc_LTLIBRARIES="$$m" uninstall-libvlcLTLIBRARIES || exit $$?; \
+	fi
+

modules/genmf

@@ -30,83 +30,10 @@ do
 
 basedir = ${basedir}
 mods = ${mods}
-
-NULL =
-libvlc_LTLIBRARIES =
-EXTRA_DIST = Modules.am
-BUILT_SOURCES =
-CLEANFILES =
 SUBDIRS = ${subdirs}
-SUFFIXES = _plugin\$(LIBEXT) _plugin.la
-
-libvlcdir = \$(libdir)/vlc/\$(basedir)
-
 EXTRA_LTLIBRARIES = ${extra_ltlibs}
 
-include Modules.am
-
-if HAVE_PLUGINS
-LTLIBVLC = \$(top_builddir)/src/libvlc.la
-
-AM_LDFLAGS = -rpath '\$(libvlcdir)' -avoid-version \\
-	-module -no-undefined -shrext \$(LIBEXT) 
-if HAVE_COMPILER_EXPORT
-AM_LDFLAGS += -export-dynamic
-else
-AM_LDFLAGS += -export-symbol-regex ^vlc_entry
-endif
-AM_LIBADD = \$(LTLIBVLC)
-endif
-
-all: all-modules
-
-nice:
-	\$(top_builddir)/compile
-
-# Find out which modules were enabled and tell make to build them
-all-modules:
-	@set fnord \$\$MAKEFLAGS; amf=\$\$2; targets=\`\\
-	z=\$\$(\$(VLC_CONFIG) --list plugin); for mod in \$(mods); do case "\$\$z " in *\ \$\${mod}\ *) echo lib\$\${mod}_plugin.la;; esac; done; \\
-	\`; case "\$\$targets" in *lib*) \$(MAKE) \$(AM_MAKEFLAGS) \$\$targets || case "\$\$amf" in *=*) exit 1;; *k*) fail=yes;; *) exit 1;; esac; ;; esac; \\
-	test -z "\$\$fail"
-
-# Build a plugin with the adequate linker and linker's flags
-_plugin.la_plugin\$(LIBEXT):
-	@mod="\$*" ; mod=\$\${mod#lib} ; \
-	ldfl="\`\$(VLC_CONFIG) --libs plugin \$\$mod\` \$(LIBVLC) -u \$(SYMPREF)\$(VLC_ENTRY)" ; \
-	case \`\$(VLC_CONFIG) --linkage \$\$mod\` in \\
-	  c++)  ld="\$(CXXLINK)" ;; \
-	  objc) ld="\$(OBJCLINK)" ;; \
-	  c|*)  ld="\$(LINK)" ;; \
-	esac ; \
-	echo \$\$ld \$< \$\$ldfl ; \
-	\$\$ld \$< \$\$ldfl
-
-if MAINTAINER_MODE
-\$(srcdir)/Makefile.am: \$(srcdir)/Modules.am \$(top_srcdir)/modules/genmf
-	cd \$(top_srcdir) && \$(SHELL) modules/genmf ${dir}
-endif
-
-mostlyclean-local:
-	-rm -f -- *.la
-
-### automake creates libvlcdir after running install-*-local
-### so we have to create it ourselves first
-install-exec-local: all-modules
-	@if test -z "\$(libvlc_LTLIBRARIES)"; then \
-	  z=\$\$(\$(VLC_CONFIG) --list plugin); \
-	  m=\`for mod in \$(mods); do case "\$\$z " in *\ \$\${mod}\ *) printf " lib\$\${mod}_plugin.la" ;; esac; done\` ; \
-	  test -z "\$\$m" || \
-  	    \$(MAKE) \$(AM_MAKEFLAGS) libvlc_LTLIBRARIES="\$\$m" install-libvlcLTLIBRARIES || exit \$\$? ; \
-	fi
-
-uninstall-local:
-	@if test -z "\$(libvlc_LTLIBRARIES)"; then \
-	  z=\$\$(\$(VLC_CONFIG) --list plugin); \
-	  m=\`for mod in \$(mods); do case "\$\$z " in *\ \$\${mod}\ *) printf " lib\$\${mod}_plugin.la" ;; esac; done\` ; \
-	  test -z "\$\$m" || \
-	    \$(MAKE) \$(AM_MAKEFLAGS) libvlc_LTLIBRARIES="\$\$m" uninstall-libvlcLTLIBRARIES || exit \$\$?; \
-	fi
+include \$(top_srcdir)/modules/common.am
 
 EOF
   for mod in $mods
@@ -126,7 +53,6 @@ EOF
 #   work properly with any automake version I tested.
     cat >> "${makf}" << EOF
 # The ${mod} plugin
-
 EOF
     cat >> "${makf}" << EOF
 lib${mod}_plugin_la_SOURCES = \$(SOURCES_${mod})
@@ -147,6 +73,7 @@ lib${mod}_plugin_la_LIBADD = \$(AM_LIBADD) \\
 	\`\$(VLC_CONFIG) -libs plugin ${mod}\` 
 # Automake does not understand \`...\` very well inside LIBADD...
 lib${mod}_plugin_la_DEPENDENCIES = \$(AM_LIBADD)
+
 EOF
   done