- disable parallel mark for GC in Windows as it crashes dll loading

- override CFLAGS in some places so the CFLAGS given at command line get propagated correctly
- remove MMC_INIT from in_function generated for dll loading


git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@23109 f25d12d1-65f4-0310-ae8a-bbce733d8d8e

Compiler/Template/CodegenC.tpl

@@ -5624,7 +5624,6 @@ template generateInFunc(Text fname, list<Variable> functionArguments, list<Varia
     <%functionArguments |> var => '<%funArgDefinition(var)%>;' ;separator="\n"%>
     <%outVars |> var => '<%funArgDefinition(var)%>;' ;separator="\n"%>
     <%functionArguments |> arg => readInVar(arg) ;separator="\n"%>
-    MMC_INIT();
     MMC_TRY_TOP()
     <%match outVars
         case v::_ then '<%funArgName(v)%> = '

SimulationRuntime/c/Makefile.common

@@ -7,7 +7,7 @@
 include Makefile.objs
 
 CPPFLAGS = -I. -I$(UTILPATH) -I. -I$(METAPATH) -I$(METAPATH)gc $(LIBF2CINC) -I$(top_builddir)/3rdParty/gc/include -I$(top_builddir)/3rdParty/FMIL/install/include/ -I$(top_builddir)/3rdParty/lis-1.4.12/include/ -I$(top_builddir)/3rdParty/Ipopt-3.11.6/include/ $(CONFIG_CPPFLAGS) -DGC_REDIRECT_TO_LOCAL
-CFLAGS = $(CPPFLAGS) $(CONFIG_CFLAGS) $(EXTRA_CFLAGS)
+override CFLAGS += $(CPPFLAGS) $(CONFIG_CFLAGS) $(EXTRA_CFLAGS)
 CXXFLAGS = $(CFLAGS)
 FFLAGS  = -O -fexceptions
 # P.A: before, g77 had -O3 or -O2 but that caused a bug in DDASRT, giving infinite loop.