Shared libaries only for linux

Author: jgg
Date: 1999-12-10 06:39:46 GMT
Shared libaries only for linux

buildlib/defaults.mak

@@ -48,9 +48,11 @@ ifeq ($(words $(BUILDX)),0)
 ifeq ($(words $(wildcard *)),0)
 error-all/environment.mak:
 	echo You have a broken version of GNU Make - upgrade.
+	error-out-and-die
 else
 error-all/environment.mak:
 	echo Can't find the build directory in $(BUILD_POSSIBLE) -- use BUILD=
+	error-out-and-die
 endif
 
 # Force include below to come to the error target
@@ -147,6 +149,7 @@ else
  endif
 endif	
 
+# Automatic -j support
 ifeq ($(NUM_PROCS),1)
   PARALLEL_RUN=no
 endif
@@ -154,8 +157,8 @@ endif
 ifndef PARALLEL_RUN
  PARALLEL_RUN=yes
  .EXPORT: PARALLEL_RUN
+ # handle recursion
  ifneq ($(NUM_PROCS),)
-# handle recursion
   MAKEFLAGS += -j $(NUM_PROCS)
  endif
 endif

buildlib/environment.mak.in

@@ -35,3 +35,12 @@ PTHREADLIB = @PTHREADLIB@
 # Shim Headerfile control
 HAVE_C9X = @HAVE_C9X@
 HAVE_STATVFS = @HAVE_STATVFS@
+
+# Shared library things
+HOST_OS = @host_os@
+ifeq ($(HOST_OS),linux-gnu)
+   ONLYSHAREDLIBS = yes
+   SONAME_MAGIC=-Wl,-soname -Wl,
+   LFLAGS_SO=
+endif
+	 

buildlib/library.mak

@@ -47,9 +47,10 @@ $(LIB)/lib$(LIBRARY).so: $(LIB)/lib$(LIBRARY).so.$(MAJOR).$(MINOR)
 $(LIB)/lib$(LIBRARY).so.$(MAJOR).$(MINOR): $($(LOCAL)-HEADERS) $($(LOCAL)-OBJS)
 	-rm -f $(LIB)/lib$($(@F)-LIBRARY).so* 2> /dev/null
 	echo Building shared library $@
-	$(CXX) $(CXXFLAGS) $(LDFLAGS) $(PICFLAGS) $(LFLAGS) -o $@ \
-	   -Wl,-soname -Wl,$($(@F)-SONAME) -shared $(filter %.opic,$^) \
-	   $($(@F)-SLIBS)
+	$(CXX) $(CXXFLAGS) $(LDFLAGS) $(PICFLAGS) $(LFLAGS) $(LFLAGS_SO)\
+	   -o $@ $(SONAME_MAGIC)$($(@F)-SONAME) -shared \
+	   $(filter %.opic,$^) \
+	   $($(@F)-SLIBS) 
 
 # Compilation rules
 vpath %.cc $(SUBDIRS)