xref: /petsc/gmakefile (revision accebfa9d932908c927368faad7bd0cc9568c586)
1# -*- mode: makefile-gmake -*-
2
3# If $(PETSC_ARCH) is empty, this defines it and PETSC_DIR
4include ./$(PETSC_ARCH)/conf/petscvariables
5include ./conf/variables
6
7OBJDIR := $(PETSC_ARCH)/obj
8MODDIR := $(PETSC_ARCH)/include
9LIBDIR := $(abspath $(PETSC_ARCH)/lib)
10
11pkgs := sys vec mat dm ksp snes ts
12
13libpetsc_abi_version := 0
14libpetsc_shared := $(LIBDIR)/libpetsc.$(SL_LINKER_SUFFIX)
15libpetsc_static := $(LIBDIR)/libpetsc.$(AR_LIB_SUFFIX)
16libpetscpkgs_shared := $(foreach pkg, $(pkgs), $(LIBDIR)/libpetsc$(pkg).$(SL_LINKER_SUFFIX))
17libpetscpkgs_static := $(foreach pkg, $(pkgs), $(LIBDIR)/libpetsc$(pkg).$(AR_LIB_SUFFIX))
18
19ifeq ($(PETSC_WITH_EXTERNAL_LIB),)
20  libpetscall_shared := $(libpetscpkgs_shared)
21  libpetscall_static := $(libpetscpkgs_static)
22else
23  libpetscall_shared := $(libpetsc_shared)
24  libpetscall_static := $(libpetsc_static)
25endif
26libpetscall := $(if $(filter-out no,$(BUILDSHAREDLIB)),$(libpetscall_shared),$(libpetscall_static))
27
28generated := $(PETSC_ARCH)/conf/files
29
30all : $(generated) $(libpetscall)
31
32.SECONDEXPANSION:		# to expand $$(@D)/.DIR
33
34#workarround old cygwin versions
35ifeq ($(PETSC_CYGWIN_BROKEN_PIPE),1)
36ifeq ($(shell basename $(AR)),ar)
37  V ?=1
38endif
39endif
40ifeq ($(V),)
41  quiet_HELP := "Use \"$(MAKE) V=1\" to see the verbose compile lines.\n"
42  quiet = @printf $(quiet_HELP)$(eval quiet_HELP:=)"  %10s %s\n" "$1$2" "$@"; $($1)
43else ifeq ($(V),0)		# Same, but do not print any help
44  quiet = @printf "  %10s %s\n" "$1$2" "$@"; $($1)
45else				# Show the full command line
46  quiet = $($1)
47endif
48
49$(PETSC_ARCH)/conf/files :
50	$(PYTHON) conf/gmakegen.py --petsc-arch=$(PETSC_ARCH)
51
52-include $(generated)
53
54ifeq ($(PETSC_LANGUAGE),CXXONLY)
55  cc_name := CXX
56else
57  cc_name := CC
58endif
59
60PETSC_COMPILE.c = $(call quiet,$(cc_name)) -c $(PCC_FLAGS) $(CFLAGS) $(CCPPFLAGS) $(C_DEPFLAGS)
61PETSC_COMPILE.cxx = $(call quiet,CXX) -c $(PCC_FLAGS) $(CFLAGS) $(CCPPFLAGS) $(CXX_DEPFLAGS)
62PETSC_COMPILE.cu = $(call quiet,CUDAC) -c $(CUDAC_FLAGS) --compiler-options="$(PCC_FLAGS) $(CXXFLAGS) $(CCPPFLAGS)"
63PETSC_GENDEPS.cu = $(call quiet,CUDAC,.dep) --generate-dependencies $(CUDAC_FLAGS) --compiler-options="$(PCC_FLAGS) $(CXXFLAGS) $(CCPPFLAGS)"
64PETSC_COMPILE.F = $(call quiet,FC) -c $(FC_FLAGS) $(FFLAGS) $(FCPPFLAGS) $(FC_DEPFLAGS)
65
66langs := c cu cxx F
67concatlang = $(foreach lang, $(langs), $(srcs-$(1).$(lang):%.$(lang)=$(OBJDIR)/%.o))
68srcs.o := $(foreach pkg, $(pkgs), $(call concatlang,$(pkg)))
69
70# with-single-library=1 (default)
71$(libpetsc_shared) : $(srcs.o) | $$(@D)/.DIR
72	$(call quiet,CLINKER) $(call SL_LINKER_FUNCTION,$(notdir $@),$(libpetsc_abi_version)) -o $@ $^ $(PETSC_EXTERNAL_LIB_BASIC)
73
74$(libpetsc_static) : obj := $(srcs.o)
75
76define ARCHIVE_RECIPE_WIN32FE_LIB
77  @$(RM) $@ $@.args
78  @cygpath -w $^ > $@.args
79  $(call quiet,AR) $(AR_FLAGS) $@ @$@.args
80  @$(RM) $@.args
81endef
82
83define ARCHIVE_RECIPE_DEFAULT
84  @$(RM) $@
85  $(call quiet,AR) $(AR_FLAGS) $@ $^
86  $(call quiet,RANLIB) $@
87endef
88
89%.$(AR_LIB_SUFFIX) : $$(obj) | $$(@D)/.DIR
90	$(if $(findstring win32fe lib,$(AR)),$(ARCHIVE_RECIPE_WIN32FE_LIB),$(ARCHIVE_RECIPE_DEFAULT))
91
92# with-single-library=0
93libpkg = $(foreach pkg, $1, $(LIBDIR)/libpetsc$(pkg).$(SL_LINKER_SUFFIX))
94$(LIBDIR)/libpetscsys.$(SL_LINKER_SUFFIX)  : obj    := $(call concatlang,sys)
95$(LIBDIR)/libpetscvec.$(SL_LINKER_SUFFIX)  : obj    := $(call concatlang,vec)
96$(LIBDIR)/libpetscvec.$(SL_LINKER_SUFFIX)  : libdep := $(call libpkg,sys)
97$(LIBDIR)/libpetscmat.$(SL_LINKER_SUFFIX)  : obj    := $(call concatlang,mat)
98$(LIBDIR)/libpetscmat.$(SL_LINKER_SUFFIX)  : libdep := $(call libpkg,vec sys)
99$(LIBDIR)/libpetscdm.$(SL_LINKER_SUFFIX)   : obj    := $(call concatlang,dm)
100$(LIBDIR)/libpetscdm.$(SL_LINKER_SUFFIX)   : libdep := $(call libpkg,mat vec sys)
101$(LIBDIR)/libpetscksp.$(SL_LINKER_SUFFIX)  : obj    := $(call concatlang,ksp)
102$(LIBDIR)/libpetscksp.$(SL_LINKER_SUFFIX)  : libdep := $(call libpkg,dm mat vec sys)
103$(LIBDIR)/libpetscsnes.$(SL_LINKER_SUFFIX) : obj    := $(call concatlang,snes)
104$(LIBDIR)/libpetscsnes.$(SL_LINKER_SUFFIX) : libdep := $(call libpkg,ksp dm mat vec sys)
105$(LIBDIR)/libpetscts.$(SL_LINKER_SUFFIX)   : obj    := $(call concatlang,ts)
106$(LIBDIR)/libpetscts.$(SL_LINKER_SUFFIX)   : libdep := $(call libpkg,snes ksp dm mat vec sys)
107$(LIBDIR)/libpetscsys.$(AR_LIB_SUFFIX)  : $(call concatlang,sys)
108$(LIBDIR)/libpetscvec.$(AR_LIB_SUFFIX)  : $(call concatlang,vec)
109$(LIBDIR)/libpetscmat.$(AR_LIB_SUFFIX)  : $(call concatlang,mat)
110$(LIBDIR)/libpetscdm.$(AR_LIB_SUFFIX)   : $(call concatlang,dm)
111$(LIBDIR)/libpetscksp.$(AR_LIB_SUFFIX)  : $(call concatlang,ksp)
112$(LIBDIR)/libpetscsnes.$(AR_LIB_SUFFIX) : $(call concatlang,snes)
113$(LIBDIR)/libpetscts.$(AR_LIB_SUFFIX)   : $(call concatlang,ts)
114
115# The package libraries technically depend on each other (not just in an order-only way), but only
116# ABI changes like new or removed symbols requires relinking the dependent libraries.  ABI should
117# only occur when a header is changed, which would trigger recompilation and relinking anyway.
118# RELINK=1 causes dependent libraries to be relinked anyway.
119ifeq ($(RELINK),1)
120  libdep_true = $$(libdep)
121  libdep_order =
122else
123  libdep_true =
124  libdep_order = $$(libdep)
125endif
126$(libpetscpkgs_shared) : $$(obj) $(libdep_true) | $(libdep_order) $$(@D)/.DIR
127	$(call quiet,CLINKER) $(call SL_LINKER_FUNCTION,$(notdir $@),$(libpetsc_abi_version)) -o $@ $(obj) $(libdep) $(PETSC_EXTERNAL_LIB_BASIC)
128
129$(OBJDIR)/%.o : %.c | $$(@D)/.DIR
130	$(PETSC_COMPILE.c) $(abspath $<) -o $@
131
132$(OBJDIR)/%.o : %.cxx | $$(@D)/.DIR
133	$(PETSC_COMPILE.cxx) $(abspath $<) -o $@
134
135$(OBJDIR)/%.o : %.cu | $$(@D)/.DIR
136	$(PETSC_COMPILE.cu) $(abspath $<) -o $@ # Compile first so that if there is an error, it comes from a normal compile
137	@$(PETSC_GENDEPS.cu) $(abspath $<) -o $(@:%.o=%.d) # Generate the dependencies for later
138
139$(OBJDIR)/%.o : %.F | $$(@D)/.DIR
140ifeq ($(FC_MODULE_OUTPUT_FLAG),)
141	cd $(MODDIR) && $(FC) -c $(FC_FLAGS) $(FFLAGS) $(FCPPFLAGS) $(FC_DEPFLAGS) $(abspath $<) -o $(abspath $@)
142else
143	$(PETSC_COMPILE.F) $(abspath $<) -o $@ $(FC_MODULE_OUTPUT_FLAG)$(MODDIR)
144endif
145
146# Hack: manual dependencies on object files
147ifeq ($(MPI_IS_MPIUNI),1)
148  MPIUNI_MOD := $(MODDIR)/mpi.mod
149endif
150$(OBJDIR)/src/sys/f90-mod/petscsysmod.o   : $(if $(MPIUNI_MOD),$(OBJDIR)/src/sys/mpiuni/f90-mod/mpiunimod.o)
151$(OBJDIR)/src/vec/f90-mod/petscvecmod.o   : $(OBJDIR)/src/sys/f90-mod/petscsysmod.o
152$(OBJDIR)/src/mat/f90-mod/petscmatmod.o   : $(OBJDIR)/src/vec/f90-mod/petscvecmod.o
153$(OBJDIR)/src/dm/f90-mod/petscdmmod.o     : $(OBJDIR)/src/mat/f90-mod/petscmatmod.o
154$(OBJDIR)/src/ksp/f90-mod/petsckspmod.o   : $(OBJDIR)/src/dm/f90-mod/petscdmmod.o
155$(OBJDIR)/src/snes/f90-mod/petscsnesmod.o : $(OBJDIR)/src/ksp/f90-mod/petsckspmod.o
156$(OBJDIR)/src/ts/f90-mod/petsctsmod.o     : $(OBJDIR)/src/snes/f90-mod/petscsnesmod.o
157
158%/.DIR :
159	@mkdir -p $(@D)
160	@touch $@
161
162.PRECIOUS: %/.DIR
163
164.SUFFIXES: # Clear .SUFFIXES because we don't use implicit rules
165.DELETE_ON_ERROR:               # Delete likely-corrupt target file if rule fails
166
167.PHONY: clean all print
168
169clean:
170	rm -rf $(OBJDIR) $(LIBDIR)/libpetsc* $(MODDIR)/petsc*.mod $(MPIUNI_MOD) $(generated)
171
172# make print VAR=the-variable
173print:
174	@echo $($(VAR))
175
176allobj.d := $(srcs.o:%.o=%.d)
177# Tell make that allobj.d are all up to date.  Without this, the include
178# below has quadratic complexity, taking more than one second for a
179# do-nothing build of PETSc (much worse for larger projects)
180$(allobj.d) : ;
181
182-include $(allobj.d)
183