Functions in Makefile

Question

I am writing a Makefile with a lot of repetitive stuff, e.g.

debug_ifort_Linux:
        if [ $(UNAME) = Linux ]; then                           \\
          $(MA         


        

Answer 1

You're looking for the call function.

compile =                                                 \
        if [ $(UNAME) = $(1) ]; then                      \
          $(MAKE) FC=$(2) FFLAGS=$(3) PETSC_FFLAGS="..."  \
                  TARGET=$@ LEXT="$(4)_$(UNAME)" -e syst; \
        else                                              \
          echo $(err_arch);                               \
          exit 1;                                         \
        fi

debug_ifort_Linux:
        $(call compile,Linux,ifort,$(difort),ifort)

If you can restructure your Makefile a bit, though, you should see if you can use make's conditionals instead of sh's.