lv2 version (part one)

b_synth/Makefile

@@ -1,4 +1,5 @@
 include ../common.mak
+include ../git2lv2.mk
 
 LOADLIBES = -lm
 override CFLAGS+= -I../src -I../b_overdrive -I../b_reverb -I../b_whirl
@@ -39,7 +40,8 @@ ifeq ($(HAVE_UI), yes)
 endif
 
 $(LV2NAME).ttl: $(LV2NAME).ttl.in $(LV2NAME).ui.ttl.in
-	cat $(LV2NAME).ttl.in > $(LV2NAME).ttl
+	sed "s/@VERSION@/lv2:microVersion $(LV2MIC) ;lv2:minorVersion $(LV2MIN) ;/g" \
+		$(LV2NAME).ttl.in > $(LV2NAME).ttl
 ifeq ($(HAVE_UI), yes)
 	sed "s/@UI_TYPE@/$(UI_TYPE)/;s/@UI_REQ@/$(LV2UIREQ)/;" $(LV2NAME).ui.ttl.in >> $(LV2NAME).ttl
 endif

b_synth/b_synth.ttl.in

@@ -22,6 +22,7 @@
 	doap:maintainer <http://gareus.org/rgareus#me> ;
 	doap:name "setBfree DSP Tonewheel Organ";
 	doap:license <http://usefulinc.com/doap/licenses/gpl> ;
+	@VERSION@
 	lv2:optionalFeature lv2:hardRTCapable ;
 	lv2:requiredFeature urid:map , work:schedule ;
 	lv2:extensionData state:interface , work:interface ;

b_whirl/Makefile

@@ -1,4 +1,5 @@
 include ../common.mak
+include ../git2lv2.mk
 
 LOADLIBES = -lm
 override CFLAGS+=`pkg-config --cflags lv2` -fvisibility=hidden
@@ -41,9 +42,11 @@ ifeq ($(HAVE_RTK), yes)
 endif
 
 b_whirl-configurable.ttl: b_whirl-configurable.ttl.in b_whirl-configurable.ui.ttl.in
-	cat b_whirl-configurable.ttl.in > b_whirl-configurable.ttl
+	sed "s/@UI_REQ@/$(LV2UIREQ)/;s/@VERSION@/lv2:microVersion $(LV2MIC) ;lv2:minorVersion $(LV2MIN) ;/g" \
+		b_whirl-configurable.ttl.in > b_whirl-configurable.ttl
 ifeq ($(HAVE_RTK), yes)
-	sed "s/@UI_TYPE@/$(UI_TYPE)/;s/@UI_REQ@/$(LV2UIREQ)/;" b_whirl-configurable.ui.ttl.in >>  b_whirl-configurable.ttl
+	sed "s/@UI_TYPE@/$(UI_TYPE)/" \
+		b_whirl-configurable.ui.ttl.in >> b_whirl-configurable.ttl
 endif
 
 DSP_SRC = lv2.c

b_whirl/b_whirl-configurable.ttl.in

@@ -18,6 +18,7 @@
 	doap:maintainer <http://gareus.org/rgareus#me> ;
 	doap:name "setBfree Whirl Speaker - Extended Version";
 	doap:license <http://usefulinc.com/doap/licenses/gpl> ;
+	@VERSION@
 	lv2:optionalFeature lv2:hardRTCapable ;
 	lv2:port
 	[

common.mak

@@ -14,6 +14,8 @@ ifeq ($(VERSION),)
   $(error "-^-")
 endif
 
+LV2VERSION=$(VERSION)
+
 bindir = $(PREFIX)/bin
 sharedir = $(PREFIX)/share/setBfree
 lv2dir = $(PREFIX)/lib/lv2
@@ -59,6 +61,7 @@ ifeq ($(UNAME),Darwin)
   STRIPFLAGS=-u -r -arch all -s $(RW)lv2syms
   UI_TYPE=CocoaUI
   PUGL_SRC=../pugl/pugl_osx.m
+  EXTENDED_RE=-E
 else
   ifneq ($(XWIN),)
     IS_WIN=yes
@@ -82,6 +85,7 @@ else
     UI_TYPE=X11UI
     PUGL_SRC=../pugl/pugl_x11.c
   endif
+  EXTENDED_RE=-r
 endif
 
 GLUICFLAGS+=`pkg-config --cflags cairo pango $(PKG_GL_LIBS)`

git2lv2.mk

@@ -0,0 +1,43 @@
+
+###############################################################################
+# extract versions
+GIT_REV_REGEXP="([0-9][0-9]*)\.([0-9][0-9]*)(\.([0-9][0-9]*))?(-([0-9][0-9]*))?(-g([a-f0-9]+))?"
+
+override MAJOR=$(shell echo $(LV2VERSION) | sed $(EXTENDED_RE) -e s/$(GIT_REV_REGEXP)/\\1/)
+override MINOR=$(shell echo $(LV2VERSION) | sed $(EXTENDED_RE) -e s/$(GIT_REV_REGEXP)/\\2/)
+override MICRO=$(shell echo $(LV2VERSION) | sed $(EXTENDED_RE) -e s/$(GIT_REV_REGEXP)/\\4/)
+override GITREV=$(shell echo $(LV2VERSION) | sed $(EXTENDED_RE) -e s/$(GIT_REV_REGEXP)/\\6/)
+
+ifeq ($(MAJOR),)
+  override MAJOR=0
+endif
+ifeq ($(MINOR),)
+  override MINOR=0
+endif
+ifeq ($(MICRO),)
+  override MICRO=0
+endif
+
+$(info Version: $(LV2VERSION) -> $(MAJOR) $(MINOR) $(MICRO) $(GITREV))
+
+# version requirements, see
+# http://lv2plug.in/ns/lv2core/#minorVersion
+# http://lv2plug.in/ns/lv2core/#microVersion
+ifeq ($(GITREV),)
+# even numbers for tagged releases
+  override LV2MIN = $(shell expr $(MAJOR) \* 65536 + $(MINOR) \* 256 + $(MICRO) \* 2 )
+  override LV2MIC = 0
+else
+# odd-numbers for all non tagged git versions
+  override LV2MIN = $(shell expr $(MAJOR) \* 65536 + $(MINOR) \* 256 + $(MICRO) \* 2 + 1 )
+  override LV2MIC = $(shell expr $(GITREV) \* 2 + 1)
+endif
+
+ifeq ($(LV2MIN),)
+  $(error "Cannot extract required LV2 minor-version parameter")
+endif
+ifeq ($(LV2MIC),)
+  $(error "Cannot extract required LV2 micro-version parameter")
+endif
+
+$(info LV2 Version: $(LV2MIN) $(LV2MIC))