Changeset - r375:a637fb9d457b
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ladanyi@tmit.bme.hu
ladanyi@tmit.bme.hu
Revert to the canonical way of customizing CXXFLAGS A default list of compiler flags is set via AM_CXXFLAGS Automake variable. However this gets overridden by per-target CXXFLAGS variables (e.g. foo_CXXFLAGS in case the foo target). Because of this you should append $(AM_CXXFLAGS) to the end of the per-target CXXFLAGS variables (e.g. foo_CXXFLAGS = ... $(AM_CXXFLAGS)). After this default list of flags the contents of the CXXFLAGS user variable is passed to the compiler. This variable has a default value determined by configure (in case of g++ it is '-g -O2'). You can override this by specifying CXXFLAGS when invoking make (e.g. make CXXFLAGS='-O3').
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3 files changed with 7 insertions and 6 deletions:
Makefile.am
2
configure.ac
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lemon/Makefile.am
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Makefile.am
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ACLOCAL_AMFLAGS = -I m4
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AM_CXXFLAGS = $(WARNINGCXXFLAGS)


			




	
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AM_CPPFLAGS = -I$(top_srcdir) -I$(top_builddir)


			




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LDADD = $(top_builddir)/lemon/libemon.la


			




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                    configure.ac
                

                

                  
                  
                  
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AC_CONFIG_SRCDIR([lemon/list_graph.h])


			




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AC_CONFIG_HEADERS([config.h lemon/config.h])


			




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lx_cmdline_cxxflags_set=${CXXFLAGS+set}


			




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dnl Do compilation tests using the C++ compiler.


			




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AC_LANG([C++])


			




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fi


			




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dnl Set custom compiler flags when using g++.


			




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if test x"$lx_cmdline_cxxflags_set" != x"set" -a "$GXX" = yes -a "$ICC" = no; then


			




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  CXXFLAGS="$CXXFLAGS -Wall -W -Wall -W -Wunused -Wformat=2 -Wctor-dtor-privacy -Wnon-virtual-dtor -Wno-char-subscripts -Wwrite-strings -Wno-char-subscripts -Wreturn-type -Wcast-qual -Wcast-align -Wsign-promo -Woverloaded-virtual -Woverloaded-virtual -ansi -fno-strict-aliasing -Wold-style-cast -Wno-unknown-pragmas"


			




	
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if test "$GXX" = yes -a "$ICC" = no; then


			




	
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  WARNINGCXXFLAGS="-Wall -W -Wall -W -Wunused -Wformat=2 -Wctor-dtor-privacy -Wnon-virtual-dtor -Wno-char-subscripts -Wwrite-strings -Wno-char-subscripts -Wreturn-type -Wcast-qual -Wcast-align -Wsign-promo -Woverloaded-virtual -ansi -fno-strict-aliasing -Wold-style-cast -Wno-unknown-pragmas"


			




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fi


			




	
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AC_SUBST([WARNINGCXXFLAGS])


			




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dnl Checks for libraries.


			




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#LX_CHECK_GLPK


			




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echo Package version............... : $PACKAGE-$VERSION


			




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echo


			




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echo C++ compiler.................. : $CXX


			




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echo C++ compiles flags............ : $CXXFLAGS


			




	
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echo C++ compiles flags............ : $WARNINGCXXFLAGS $CXXFLAGS


			




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echo


			




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#echo GLPK support.................. : $lx_glpk_found


			




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#echo CPLEX support................. : $lx_cplex_found

			




        

    

    

    

        

            

                

                    lemon/Makefile.am
                

                

                  
                  
                  
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        lemon/color.cc \


			




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        lemon/random.cc


			




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#lemon_libemon_la_CXXFLAGS = $(GLPK_CFLAGS) $(CPLEX_CFLAGS) $(SOPLEX_CXXFLAGS)


			




	
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#lemon_libemon_la_CXXFLAGS = $(GLPK_CFLAGS) $(CPLEX_CFLAGS) $(SOPLEX_CXXFLAGS) $(AM_CXXFLAGS)


			




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#lemon_libemon_la_LDFLAGS = $(GLPK_LIBS) $(CPLEX_LIBS) $(SOPLEX_LIBS)


			




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lemon_HEADERS += \


			




        

    






    
    



    


    

     
    
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