Fix build for update on library component.

When, eg, the smtp transport is changed the transports library must be rebuilt.
Fix the main makefile to not assume that the date on the library .a is sufficient,
but always call the library subdir makefiles.

diff --git a/src/OS/Makefile-Base b/src/OS/Makefile-Base
index f0edbf13273360df45120d9e6ced90d01a2ecdd4..8209969f610a4d020047bbe599cc1dcec303ee42 100644 (file)
--- a/src/OS/Makefile-Base
+++ b/src/OS/Makefile-Base
@@ -316,8 +316,8 @@ OBJ_EXIM = acl.o child.o crypt16.o daemon.o dbfn.o debug.o deliver.o \
         local_scan.o $(EXIM_PERL) $(OBJ_WITH_CONTENT_SCAN) \
         $(OBJ_WITH_OLD_DEMIME) $(OBJ_EXPERIMENTAL)
 
-exim:   lookups/lookups.a auths/auths.a pdkim/pdkim.a \
-        routers/routers.a transports/transports.a \
+exim:   buildlookups buildauths pdkim/pdkim.a \
+        buildrouters buildtransports \
         $(OBJ_EXIM) version.o
        @echo "$(LNCC) -o exim"
        $(FE)$(PURIFY) $(LNCC) -o exim $(LFLAGS) $(OBJ_EXIM) version.o \
@@ -354,7 +354,7 @@ exim_dumpdb: $(OBJ_DUMPDB)
 
 OBJ_FIXDB = exim_fixdb.o util-os.o util-store.o
 
-exim_fixdb:  $(OBJ_FIXDB) auths/auths.a
+exim_fixdb:  $(OBJ_FIXDB) buildauths
        @echo "$(LNCC) -o exim_fixdb"
        $(FE)$(LNCC) $(CFLAGS) $(INCLUDE) -o exim_fixdb $(LFLAGS) $(OBJ_FIXDB) \
          auths/auths.a $(LIBS) $(EXTRALIBS) $(DBMLIB)
@@ -620,7 +620,7 @@ drtables.o:      $(HDRS) drtables.c
 # When using parallel make, we don't have the dependency to force building
 # in the sub-directory unless we force that dependency:
 
-$(OBJ_LOOKUPS):  lookups/lookups.a
+$(OBJ_LOOKUPS):  buildlookups
 
 # The exim monitor's private modules - the sources live in a private
 # subdirectory. The final binary combines the private modules with some
@@ -648,8 +648,7 @@ $(MONBIN): $(HDRS)
 
 # The lookups library.
 
-buildlookups: lookups/lookups.a
-lookups/lookups.a: config.h version.h
+buildlookups:
         @cd lookups && $(MAKE) SHELL=$(SHELL) AR="$(AR)" $(MFLAGS) CC="$(CC)" CFLAGS="$(CFLAGS)" \
           CFLAGS_DYNAMIC="$(CFLAGS_DYNAMIC)" HDRS="../version.h $(PHDRS)" \
           FE="$(FE)" RANLIB="$(RANLIB)" RM_COMMAND="$(RM_COMMAND)" \
@@ -658,8 +657,7 @@ lookups/lookups.a: config.h version.h
 
 # The routers library.
 
-buildrouters: routers/routers.a
-routers/routers.a: config.h
+buildrouters:
         @cd routers && $(MAKE) SHELL=$(SHELL) AR="$(AR)" $(MFLAGS) CC="$(CC)" CFLAGS="$(CFLAGS)" \
           FE="$(FE)" RANLIB="$(RANLIB)" RM_COMMAND="$(RM_COMMAND)" HDRS="$(PHDRS)" \
           INCLUDE="$(INCLUDE) $(IPV6_INCLUDE) $(TLS_INCLUDE)"
@@ -667,8 +665,7 @@ routers/routers.a: config.h
 
 # The transports library.
 
-buildtransports: transports/transports.a
-transports/transports.a: config.h
+buildtransports:
         @cd transports && $(MAKE) SHELL=$(SHELL) AR="$(AR)" $(MFLAGS) CC="$(CC)" CFLAGS="$(CFLAGS)" \
           FE="$(FE)" RANLIB="$(RANLIB)" RM_COMMAND="$(RM_COMMAND)" HDRS="$(PHDRS)" \
           INCLUDE="$(INCLUDE) $(IPV6_INCLUDE) $(TLS_INCLUDE)"
@@ -676,8 +673,7 @@ transports/transports.a: config.h
 
 # The library of authorization modules
 
-buildauths: auths/auths.a
-auths/auths.a: config.h
+buildauths:
         @cd auths && $(MAKE) SHELL=$(SHELL) AR="$(AR)" $(MFLAGS) CC="$(CC)" CFLAGS="$(CFLAGS)" \
           FE="$(FE)" RANLIB="$(RANLIB)" RM_COMMAND="$(RM_COMMAND)" HDRS="$(PHDRS)" \
           INCLUDE="$(INCLUDE) $(IPV6_INCLUDE) $(TLS_INCLUDE)"