1# -*- mode: makefile-gmake -*- 2 3include $(PETSC_DIR)/conf/variables 4 5OBJDIR := $(PETSC_ARCH)/obj-gmake 6LIBDIR := $(abspath $(PETSC_ARCH)/lib) 7 8pkgs := sys vec mat dm ksp snes ts 9 10libpetsc_shared := $(LIBDIR)/libpetsc.so 11libpetscpkgs_shared := $(foreach pkg, $(pkgs), $(LIBDIR)/libpetsc$(pkg).so) 12 13ifeq ($(PETSC_WITH_EXTERNAL_LIB),) 14 libpetscall_shared := $(libpetscpkgs_shared) 15else 16 libpetscall_shared := $(libpetsc_shared) 17endif 18 19all : $(PETSC_ARCH)/conf/files $(libpetscall_shared) 20 21.SECONDEXPANSION: # to expand $$(@D)/.DIR 22 23ifeq ($(V),) 24 quiet_HELP := "Use \"$(MAKE) V=1\" to see the verbose compile lines.\n" 25 quiet = @printf $(quiet_HELP)$(eval quiet_HELP:=)" $1$2 $@\n"; $($1) 26else ifeq ($(V),0) # Same, but do not print any help 27 quiet = @printf " $1$2 $@\n"; $($1) 28else # Show the full command line 29 quiet = $($1) 30endif 31 32$(PETSC_ARCH)/conf/files : 33 $(PYTHON) conf/gmakegen.py PETSC_ARCH=$(PETSC_ARCH) 34 35-include $(PETSC_ARCH)/conf/files 36 37ifeq ($(PETSC_LANGUAGE),CXXONLY) 38 cc_name := CXX 39else 40 cc_name := CC 41endif 42 43PETSC_DEPFLAGS.c := -MMD -MP 44PETSC_DEPFLAGS.cxx := -MMD -MP 45PETSC_DEPFLAGS.F := -MMD -MP 46 47PETSC_COMPILE.c = $(call quiet,$(cc_name)) -c $(PCC_FLAGS) $(CFLAGS) $(CCPPFLAGS) $(PETSC_DEPFLAGS.c) 48PETSC_COMPILE.cxx = $(call quiet,CXX) -c $(PCC_FLAGS) $(CFLAGS) $(CCPPFLAGS) $(PETSC_DEPFLAGS.cxx) 49PETSC_COMPILE.cu = $(call quiet,CUDAC) -c $(CUDAC_FLAGS) --compiler-options="$(PCC_FLAGS) $(CXXFLAGS) $(CCPPFLAGS)" 50PETSC_GENDEPS.cu = $(call quiet,CUDAC,.dep) --generate-dependencies $(CUDAC_FLAGS) --compiler-options="$(PCC_FLAGS) $(CXXFLAGS) $(CCPPFLAGS)" 51PETSC_COMPILE.F = $(call quiet,FC) -c $(FC_FLAGS) $(FFLAGS) $(FCPPFLAGS) $(PETSC_DEPFLAGS.F) 52 53langs := c cu cxx F 54concatlang = $(foreach lang, $(langs), $($(1)srcs.$(lang):%.$(lang)=$(OBJDIR)/%.o)) 55allobj := $(foreach pkg, $(pkgs), $(call concatlang,$(pkg))) 56 57# with-single-library=1 (default) 58$(libpetsc_shared) : $(allobj) | $$(@D)/.DIR 59 $(call quiet,CLINKER) -shared -o $@ $^ $(PETSC_EXTERNAL_LIB_BASIC) 60 61# with-single-library=0 62libpkg = $(foreach pkg, $1, $(LIBDIR)/libpetsc$(pkg).so) 63$(LIBDIR)/libpetscsys.so : obj := $(call concatlang,sys) 64$(LIBDIR)/libpetscvec.so : obj := $(call concatlang,vec) 65$(LIBDIR)/libpetscvec.so : libdep := $(call libpkg,sys) 66$(LIBDIR)/libpetscmat.so : obj := $(call concatlang,mat) 67$(LIBDIR)/libpetscmat.so : libdep := $(call libpkg,vec sys) 68$(LIBDIR)/libpetscdm.so : obj := $(call concatlang,dm) 69$(LIBDIR)/libpetscdm.so : libdep := $(call libpkg,mat vec sys) 70$(LIBDIR)/libpetscksp.so : obj := $(call concatlang,ksp) 71$(LIBDIR)/libpetscksp.so : libdep := $(call libpkg,dm mat vec sys) 72$(LIBDIR)/libpetscsnes.so : obj := $(call concatlang,snes) 73$(LIBDIR)/libpetscsnes.so : libdep := $(call libpkg,ksp dm mat vec sys) 74$(LIBDIR)/libpetscts.so : obj := $(call concatlang,ts) 75$(LIBDIR)/libpetscts.so : libdep := $(call libpkg,snes ksp dm mat vec sys) 76 77# The package libraries technically depend on each other (not just in an order-only way), but only 78# ABI changes like new or removed symbols requires relinking the dependent libraries. ABI should 79# only occur when a header is changed, which would trigger recompilation and relinking anyway. 80# RELINK=1 causes dependent libraries to be relinked anyway. 81ifeq ($(RELINK),1) 82 libdep_true = $$(libdep) 83 libdep_order = 84else 85 libdep_true = 86 libdep_order = $$(libdep) 87endif 88$(libpetscpkgs_shared) : $$(obj) $(libdep_true) | $(libdep_order) $$(@D)/.DIR 89 $(call quiet,CLINKER) -shared -o $@ $(obj) $(libdep) $(PETSC_EXTERNAL_LIB_BASIC) 90 91$(OBJDIR)/%.o : %.c | $$(@D)/.DIR 92 $(PETSC_COMPILE.c) $< -o $@ 93 94$(OBJDIR)/%.o : %.cxx | $$(@D)/.DIR 95 $(PETSC_COMPILE.cxx) $< -o $@ 96 97$(OBJDIR)/%.o : %.cu | $$(@D)/.DIR 98 $(PETSC_COMPILE.cu) $< -o $@ # Compile first so that if there is an error, it comes from a normal compile 99 @$(PETSC_GENDEPS.cu) $< -o $(@:%.o=%.d) # Generate the dependencies for later 100 101$(OBJDIR)/%.o : %.F | $$(@D)/.DIR 102 $(PETSC_COMPILE.F) $< -o $@ $(FC_MODULE_OUTPUT_FLAG)$(PETSC_ARCH)/include 103 104%/.DIR : 105 @mkdir -p $(@D) 106 @touch $@ 107 108.PRECIOUS: %/.DIR 109 110.SUFFIXES: # Clear .SUFFIXES because we don't use implicit rules 111.DELETE_ON_ERROR: # Delete likely-corrupt target file if rule fails 112 113.PHONY: clean all print 114 115clean: 116 rm -rf $(OBJDIR) $(libpetsc_shared) $(libpetscpkgs_shared) ${PETSC_ARCH}/include/*.mod $(PETSC_ARCH)/conf/files 117 118# make print VAR=the-variable 119print: 120 @echo $($(VAR)) 121 122allobj.d := $(allobj:%.o=%.d) 123# Tell make that allobj.d are all up to date. Without this, the include 124# below has quadratic complexity, taking more than one second for a 125# do-nothing build of PETSc (much worse for larger projects) 126$(allobj.d) : ; 127 128-include $(allobj.d) 129