af1ed7d1b6
ar does not support multiple builder writing to the same file. This disable parallel building for .a targets. See also "Archive Pitfalls" in the GNU Make manual.
194 lines
4.9 KiB
Makefile
194 lines
4.9 KiB
Makefile
# Load the configure script variables
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-include configure.mk
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##
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## Directories
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##
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# Structure:
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# gray - top level
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# ├── src - source code
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# ├── doc - documentation
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# └── build - build artifacts
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# ├── bin - binaries
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# ├── lib - libraries
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# ├── obj - objects
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# └── inc - files to #include
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SRCDIR = src
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BUILDDIR = build
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SHAREDIR = build/share
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BINDIR = build/bin
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LIBDIR = build/lib
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OBJDIR = build/obj
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INCDIR = build/inc
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PREFIX ?= /usr
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# Directories that need to be created
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DIRS = $(BINDIR) $(OBJDIR) $(INCDIR) $(LIBDIR) $(SHAREDIR)
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##
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## Files
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##
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# All Fortran source files
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SOURCES = $(wildcard $(SRCDIR)/*.f90)
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# All Fortran object
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OBJECTS = $(patsubst $(SRCDIR)/%.f90,$(OBJDIR)/%.o,$(SOURCES))
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# Generated makefiles describing object dependencies
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DEPS = $(OBJECTS:o=d)
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# Fortran modules to be bundled into libraries
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MODULES = $(filter-out $(OBJDIR)/main%,$(OBJECTS))
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# Build outputs
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GRAY = $(BINDIR)/gray
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LIBGRAY = $(LIBDIR)/libgray
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BINARIES = $(GRAY)
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LIBRARIES = $(LIBGRAY).so
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##
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## Git information (used in the version string)
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##
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# Short hash of the latest commit
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GIT_REV ?= $(shell git rev-parse --short HEAD)
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# Whether the worktree and the latest commit differs
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GIT_DIRTY ?= $(shell test -n "$$(git status --porcelain)" && echo "-dirty")
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##
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## Fortran compiler and flags
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##
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# Note: can't use ?= for FC because GNU Make defaults to f77
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FC = gfortran
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LD = gfortran
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FFLAGS += -J$(OBJDIR) -I$(INCDIR) -ffree-line-length-none -fPIC
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CPPFLAGS += -DREVISION=\"$(GIT_REV)$(GIT_DIRTY)\" -DPREFIX=\"$(PREFIX)\"
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ifndef DETERMINISTIC
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ifdef AR_DEFAULT_DETERMINISTIC
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# Write timestamps to allow partial updates
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ARFLAGS = crU
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endif
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endif
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# Static build options
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ifdef STATIC
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LIBRARIES := $(LIBRARIES:so=a)
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LDFLAGS += -static
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endif
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# Debug build options
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ifdef DEBUG
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FFLAGS += -ggdb -O0 -Wall -Wunused-parameter
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# Tricks to detect uninitialised memory
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FFLAGS += -finit-integer=7777777 -finit-real=snan -ffpe-trap=invalid
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else
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# Optimization level 3
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FFLAGS += -O3
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endif
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##
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## Targets
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##
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.PHONY: all clean install docs
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# Don't update archives in parallel, it's unsupported
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.NOTPARALLEL: $(LIBDIR)/libgray.a
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all: $(BINARIES) $(LIBRARIES)
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# Remove all generated files
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clean:
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rm -r $(BUILDDIR)
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# Install libraries, binaries and documentation
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install: $(BINARIES) $(LIBRARIES) $(SHAREDIR)/doc $(SHAREDIR)/gray.1
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install -Dm555 -t $(PREFIX)/bin $(BINDIR)/*
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install -Dm555 -t $(PREFIX)/lib $(LIBDIR)/*
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install -Dm644 -t $(PREFIX)/share/doc $(SHAREDIR)/doc/manual.*
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install -Dm644 -t $(PREFIX)/share/doc/res $(SHAREDIR)/doc/res/*
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install -Dm644 -t $(PREFIX)/share/man/man1 $(SHAREDIR)/gray.1
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# dependencies
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$(OBJDIR)/%.o: $(OBJDIR)/%.d
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# GRAY binary
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$(GRAY): $(OBJDIR)/main.o $(LIBGRAY).a | $(BINDIR)
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$(LD) $(LDFLAGS) -o '$@' $^
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# GRAY shared library
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$(LIBGRAY).so: $(MODULES) | $(LIBDIR)
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$(LD) -shared $(LDFLAGS) -o '$@' $^
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# GRAY static library
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$(LIBGRAY).a($(MODULES)): | $(LIBDIR)
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$(LIBGRAY).a: $(LIBGRAY).a($(MODULES))
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# GRAY static library when compiling from JETTO
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-include ../include.mk
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$(JLIBDIR)/libgray.a: $(LIBGRAY).a
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install -Dm755 '$<' '$@'
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# All documentation
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docs: $(SHAREDIR)/gray.1 $(SHAREDIR)/doc
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$(SHAREDIR)/doc: | $(SHAREDIR)
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+make -C doc
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cp -r doc/build/* $(SHAREDIR)
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# Generated man pages
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$(SHAREDIR)/gray.1: $(GRAY) doc/gray.1 | $(SHAREDIR)
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help2man '$<' -i doc/gray.1 -N -n 'beam-tracing code for EC waves' > '$@'
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# Visualise the dependency graph
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# Note: requires makefile2graph and graphviz
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graph.svg: Makefile
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make -Bdn \
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| make2graph -b \
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| awk -F'( -> )| ;|[[]' ' \
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(/label/ && !/(\.o|bin\/gray)/) {bad[$$1]=1; next} \
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/->/ {if (bad[$$1] || bad[$$2]) next} \
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{print $$0}' \
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| sed 's/label/fontsize=30,label/g; s/\.o//' \
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| dot -Tsvg -o '$@'
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##
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## Generic rules
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##
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# Rebuild everything if the makefile changed
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.EXTRA_PREREQS += Makefile
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# Automatic generation of the Fortran prerequisites
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# Note 1: this is needed because gfortran -M flag doesn't properly work;
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# Note 2: this assumes matching module/file names and no circular
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# dependencies (ie. the dependency graph is a DAG);
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$(OBJDIR)/%.d: $(SRCDIR)/%.f90 | $(OBJDIR)
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@printf '$(@:d=o): $< \\\n' > '$@'
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@grep -vE '^[[:blank:]]*use.*(intrinsic|iso_)' '$<' | \
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sed -nE 's@^[[:blank:]]*use[[:blank:]]+'\
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'([^,[:blank:]&]+).*@$(OBJDIR)/\1.o \\@p' | \
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sort -u >> '$@'
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@sed -nE 's@^#include "(.+)"@$(INCDIR)/\1@p' '$<' >> '$@'
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# Load the generated rules
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include $(DEPS)
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# Compile a generic Fortran source
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$(OBJDIR)/%.o: $(SRCDIR)/%.f90 | $(OBJDIR) $(INCDIR)
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$(FC) -cpp $(CPPFLAGS) $(FFLAGS) -c '$<' -o '$@'
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# Generate Fortran code from shell script
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$(INCDIR)/%.inc: $(SRCDIR)/%.sh | $(INCDIR)
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sh '$<' > '$@'
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# Create directories
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$(DIRS):
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mkdir -p '$@'
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