imv/Makefile

.PHONY: imv clean check install uninstall

PREFIX ?= /usr
BINPREFIX ?= $(PREFIX)/bin
MANPREFIX ?= $(PREFIX)/share/man
DATAPREFIX ?= $(PREFIX)/share

ifeq ($(V),)
MUTE :=	@
endif

CFLAGS ?= -W -Wall -Wpedantic
CFLAGS += -std=gnu11 $(shell sdl2-config --cflags)
LDFLAGS += $(shell sdl2-config --libs) -lfreeimage -lSDL2_ttf -lfontconfig -lpthread

BUILDDIR ?= build
TARGET := $(BUILDDIR)/imv

SOURCES := $(wildcard src/*.c)
OBJECTS := $(patsubst src/%.c,$(BUILDDIR)/%.o,$(SOURCES))
TESTS := $(patsubst test/%.c,$(BUILDDIR)/test_%,$(wildcard test/*.c))

VERSION = "v1.2.0"

CFLAGS += -DIMV_VERSION=\"$(VERSION)\"

imv: $(TARGET)

$(TARGET): $(OBJECTS)
	@echo "LINKING $@"
	$(MUTE)$(CC) -o $@ $^ $(LDLIBS) $(LDFLAGS)

debug: CFLAGS += -DDEBUG -g -pg
debug: $(TARGET)

$(OBJECTS): | $(BUILDDIR)

$(BUILDDIR):
	$(MUTE)mkdir -p $(BUILDDIR)

$(BUILDDIR)/%.o: src/%.c
	@echo "COMPILING $@"
	$(MUTE)$(CC) -c $(CFLAGS) -o $@ $<

$(BUILDDIR)/test_%: test/%.c src/%.c
	@echo "BUILDING $@"
	$(MUTE)$(CC) -o $@ -Isrc -W -Wall $(CFLAGS) $(LDFLAGS) -std=gnu11 -lcmocka $^

check: $(BUILDDIR) $(TESTS)
	@echo "RUNNING TESTS"
	$(MUTE)for t in "$(TESTS)"; do $$t; done

clean:
	$(MUTE)$(RM) -Rf $(BUILDDIR)

install: $(TARGET)
	install -D -m 0755 $(TARGET) $(DESTDIR)$(BINPREFIX)/imv
	install -D -m 0644 doc/imv.1 $(DESTDIR)$(MANPREFIX)/man1/imv.1
	install -D -m 0644 files/imv.desktop $(DESTDIR)$(DATAPREFIX)/applications/imv.desktop

uninstall:
	$(RM) $(DESTDIR)$(BINPREFIX)/imv
	$(RM) $(DESTDIR)$(MANPREFIX)/man1/imv.1
	$(RM) $(DESTDIR)$(DATAPREFIX)/applications/imv.desktop
Drop "obj" target It was introduced to make object files depend on $(BUILDDIR) so that creating it could be moved into separate rule, executed once. That was a bad idea, because "obj" had to be phony, thus making all targets that depend on it obsolete between runs of make. This change introduces order-only rule that makes object files depend on $(BUILDDIR) without obsoleting other targets. 2015-12-27 12:33:38 +01:00			`.PHONY: imv clean check install uninstall`
Add install target to makefile 2015-11-06 17:57:40 +01:00
Use "PREFIX" instead of "prefix" Most package management systems already expect "PREFIX" macro to control installation path. 2015-12-25 15:07:03 +01:00			`PREFIX ?= /usr`
Make installation locations more configurable This might be desired when platform has its own, custom layout (eg. OpenBSD or Solaris), or when user wants to install the program to his home directory. 2015-12-25 15:29:12 +01:00			`BINPREFIX ?= $(PREFIX)/bin`
			`MANPREFIX ?= $(PREFIX)/share/man`
			`DATAPREFIX ?= $(PREFIX)/share`
Initial commit 2015-11-05 20:57:24 +01:00
Fix verbose build 2015-12-25 23:27:11 +01:00			`ifeq ($(V),)`
			`MUTE := @`
			`endif`
Add verbose mode If V variable is set to any value, commands will be echoed to standard output. 2015-12-25 17:52:01 +01:00
Respect default CFLAGS and LDFLAGS if set in environment Some package management systems allow users to set default CFLAGS and LDFLAGS and then supply them to the make via environment. This change makes build infrastructure respect such settings. Also, don't force non-essential flags. 2015-12-25 15:11:32 +01:00			`CFLAGS ?= -W -Wall -Wpedantic`
Use "shell" macro in CFLAGS When CFLAGS contain "`cmd`" construct, the "cmd" command is executed every time when make issues shell command with expanded CFLAGS. Using "$(shell cmd)" instead forces make to expand output of "cmd" into CFLAGS. 2015-12-25 15:27:00 +01:00			`CFLAGS += -std=gnu11 $(shell sdl2-config --cflags)`
			`LDFLAGS += $(shell sdl2-config --libs) -lfreeimage -lSDL2_ttf -lfontconfig -lpthread`
Initial commit 2015-11-05 20:57:24 +01:00
Generate all files in build directory * Allow building off read-only source tree. * Allow setting build directory from environment. These changes allow parallel building of imv for multiple architectures, which is used by package management systems of some operating systems. 2015-12-26 12:27:03 +01:00			`BUILDDIR ?= build`
Use simply expanded variables wherever possible Recursively expanded variables (VAR = CONTENT) are evaluated when used. Simply extended variables (VAR := CONTENT) are expanded immediately, and remain stable throughout lifetime of the process, reducing fragility of build system. 2015-12-26 12:32:54 +01:00			`TARGET := $(BUILDDIR)/imv`
Update makefile to use a build directory 2015-11-11 16:22:41 +01:00
Use simply expanded variables wherever possible Recursively expanded variables (VAR = CONTENT) are evaluated when used. Simply extended variables (VAR := CONTENT) are expanded immediately, and remain stable throughout lifetime of the process, reducing fragility of build system. 2015-12-26 12:32:54 +01:00			`SOURCES := $(wildcard src/*.c)`
			`OBJECTS := $(patsubst src/%.c,$(BUILDDIR)/%.o,$(SOURCES))`
			`TESTS := $(patsubst test/%.c,$(BUILDDIR)/test_%,$(wildcard test/*.c))`
Initial commit 2015-11-05 20:57:24 +01:00
Release v1.2.0 2015-12-11 16:46:17 +01:00			`VERSION = "v1.2.0"`
Print version information in help 2015-11-11 21:40:59 +01:00
			`CFLAGS += -DIMV_VERSION=\"$(VERSION)\"`

Generate all files in build directory * Allow building off read-only source tree. * Allow setting build directory from environment. These changes allow parallel building of imv for multiple architectures, which is used by package management systems of some operating systems. 2015-12-26 12:27:03 +01:00			`imv: $(TARGET)`

Drop "obj" target It was introduced to make object files depend on $(BUILDDIR) so that creating it could be moved into separate rule, executed once. That was a bad idea, because "obj" had to be phony, thus making all targets that depend on it obsolete between runs of make. This change introduces order-only rule that makes object files depend on $(BUILDDIR) without obsoleting other targets. 2015-12-27 12:33:38 +01:00			`$(TARGET): $(OBJECTS)`
Improve Makefile 2015-11-11 16:38:34 +01:00			`@echo "LINKING $@"`
Drop "obj" target It was introduced to make object files depend on $(BUILDDIR) so that creating it could be moved into separate rule, executed once. That was a bad idea, because "obj" had to be phony, thus making all targets that depend on it obsolete between runs of make. This change introduces order-only rule that makes object files depend on $(BUILDDIR) without obsoleting other targets. 2015-12-27 12:33:38 +01:00			`$(MUTE)$(CC) -o $@ $^ $(LDLIBS) $(LDFLAGS)`
Initial commit 2015-11-05 20:57:24 +01:00
Update makefile to use a build directory 2015-11-11 16:22:41 +01:00			`debug: CFLAGS += -DDEBUG -g -pg`
Add debug target 2015-11-10 21:50:10 +01:00			`debug: $(TARGET)`

Drop "obj" target It was introduced to make object files depend on $(BUILDDIR) so that creating it could be moved into separate rule, executed once. That was a bad idea, because "obj" had to be phony, thus making all targets that depend on it obsolete between runs of make. This change introduces order-only rule that makes object files depend on $(BUILDDIR) without obsoleting other targets. 2015-12-27 12:33:38 +01:00			`$(OBJECTS): \| $(BUILDDIR)`
Generate all files in build directory * Allow building off read-only source tree. * Allow setting build directory from environment. These changes allow parallel building of imv for multiple architectures, which is used by package management systems of some operating systems. 2015-12-26 12:27:03 +01:00
			`$(BUILDDIR):`
Fix verbose build 2015-12-25 23:27:11 +01:00			`$(MUTE)mkdir -p $(BUILDDIR)`
Generate all files in build directory * Allow building off read-only source tree. * Allow setting build directory from environment. These changes allow parallel building of imv for multiple architectures, which is used by package management systems of some operating systems. 2015-12-26 12:27:03 +01:00
			`$(BUILDDIR)/%.o: src/%.c`
Improve Makefile 2015-11-11 16:38:34 +01:00			`@echo "COMPILING $@"`
Fix verbose build 2015-12-25 23:27:11 +01:00			`$(MUTE)$(CC) -c $(CFLAGS) -o $@ $<`
Update makefile to use a build directory 2015-11-11 16:22:41 +01:00
Generate all files in build directory * Allow building off read-only source tree. * Allow setting build directory from environment. These changes allow parallel building of imv for multiple architectures, which is used by package management systems of some operating systems. 2015-12-26 12:27:03 +01:00			`$(BUILDDIR)/test_%: test/%.c src/%.c`
Add testing infrastructure 2015-12-08 17:36:26 +01:00			`@echo "BUILDING $@"`
Generate all files in build directory * Allow building off read-only source tree. * Allow setting build directory from environment. These changes allow parallel building of imv for multiple architectures, which is used by package management systems of some operating systems. 2015-12-26 12:27:03 +01:00			`$(MUTE)$(CC) -o $@ -Isrc -W -Wall $(CFLAGS) $(LDFLAGS) -std=gnu11 -lcmocka $^`
Add testing infrastructure 2015-12-08 17:36:26 +01:00
Generate all files in build directory * Allow building off read-only source tree. * Allow setting build directory from environment. These changes allow parallel building of imv for multiple architectures, which is used by package management systems of some operating systems. 2015-12-26 12:27:03 +01:00			`check: $(BUILDDIR) $(TESTS)`
Add testing infrastructure 2015-12-08 17:36:26 +01:00			`@echo "RUNNING TESTS"`
Generate all files in build directory * Allow building off read-only source tree. * Allow setting build directory from environment. These changes allow parallel building of imv for multiple architectures, which is used by package management systems of some operating systems. 2015-12-26 12:27:03 +01:00			`$(MUTE)for t in "$(TESTS)"; do $$t; done`
Add testing infrastructure 2015-12-08 17:36:26 +01:00
Initial commit 2015-11-05 20:57:24 +01:00			`clean:`
Generate all files in build directory * Allow building off read-only source tree. * Allow setting build directory from environment. These changes allow parallel building of imv for multiple architectures, which is used by package management systems of some operating systems. 2015-12-26 12:27:03 +01:00			`$(MUTE)$(RM) -Rf $(BUILDDIR)`
Add install target to makefile 2015-11-06 17:57:40 +01:00
			`install: $(TARGET)`
Make installation locations more configurable This might be desired when platform has its own, custom layout (eg. OpenBSD or Solaris), or when user wants to install the program to his home directory. 2015-12-25 15:29:12 +01:00			`install -D -m 0755 $(TARGET) $(DESTDIR)$(BINPREFIX)/imv`
			`install -D -m 0644 doc/imv.1 $(DESTDIR)$(MANPREFIX)/man1/imv.1`
			`install -D -m 0644 files/imv.desktop $(DESTDIR)$(DATAPREFIX)/applications/imv.desktop`
Add make uninstall rule 2015-11-22 21:32:04 +01:00
			`uninstall:`
Make "uninstall" target remove the same files "install" installs 2015-12-26 12:17:09 +01:00			`$(RM) $(DESTDIR)$(BINPREFIX)/imv`
			`$(RM) $(DESTDIR)$(MANPREFIX)/man1/imv.1`
			`$(RM) $(DESTDIR)$(DATAPREFIX)/applications/imv.desktop`