default: all # Get rid of default suffixes. FIXME: is this a good idea? .SUFFIXES: # Initialise some variables. bin-scripts := noinst-scripts := man-pages := install-tests := ifdef HOST_OS HOST_KERNEL = $(firstword $(subst -, ,$(HOST_OS))) ifeq ($(HOST_KERNEL), cygwin) HOST_CYGWIN = 1 endif ifeq ($(patsubst darwin%,,$(HOST_KERNEL)),) HOST_DARWIN = 1 endif ifeq ($(patsubst freebsd%,,$(HOST_KERNEL)),) HOST_FREEBSD = 1 endif ifeq ($(HOST_KERNEL), linux) HOST_LINUX = 1 endif ifeq ($(patsubst solaris%,,$(HOST_KERNEL)),) HOST_SOLARIS = 1 endif endif # Hack to define a literal space. space := space += # Hack to define a literal newline. define newline endef # Default installation paths. prefix ?= /usr/local libdir ?= $(prefix)/lib bindir ?= $(prefix)/bin libexecdir ?= $(prefix)/libexec datadir ?= $(prefix)/share localstatedir ?= $(prefix)/var sysconfdir ?= $(prefix)/etc mandir ?= $(prefix)/share/man # Initialise support for build directories. builddir ?= ifdef builddir buildprefix = $(builddir)/ else buildprefix = endif # Pass -fPIC if we're building dynamic libraries. BUILD_SHARED_LIBS ?= 1 ifeq ($(BUILD_SHARED_LIBS), 1) ifdef HOST_CYGWIN GLOBAL_CFLAGS += -U__STRICT_ANSI__ -D_GNU_SOURCE GLOBAL_CXXFLAGS += -U__STRICT_ANSI__ -D_GNU_SOURCE else GLOBAL_CFLAGS += -fPIC GLOBAL_CXXFLAGS += -fPIC endif ifndef HOST_DARWIN ifndef HOST_SOLARIS ifndef HOST_FREEBSD GLOBAL_LDFLAGS += -Wl,--no-copy-dt-needed-entries endif endif endif SET_RPATH_TO_LIBS ?= 1 endif # Pass -g if we want debug info. BUILD_DEBUG ?= 1 ifeq ($(BUILD_DEBUG), 1) GLOBAL_CFLAGS += -g GLOBAL_CXXFLAGS += -g endif include mk/functions.mk include mk/tracing.mk include mk/clean.mk include mk/install.mk include mk/libraries.mk include mk/programs.mk include mk/patterns.mk include mk/templates.mk include mk/tests.mk # Include all sub-Makefiles. define include-sub-makefile d := $$(patsubst %/,%,$$(dir $(1))) include $(1) endef $(foreach mf, $(makefiles), $(eval $(call include-sub-makefile, $(mf)))) # Instantiate stuff. $(foreach lib, $(libraries), $(eval $(call build-library,$(lib)))) $(foreach prog, $(programs), $(eval $(call build-program,$(prog)))) $(foreach script, $(bin-scripts), $(eval $(call install-program-in,$(script),$(bindir)))) $(foreach script, $(bin-scripts), $(eval programs-list += $(script))) $(foreach script, $(noinst-scripts), $(eval programs-list += $(script))) $(foreach template, $(template-files), $(eval $(call instantiate-template,$(template)))) $(foreach test, $(install-tests), $(eval $(call run-install-test,$(test)))) $(foreach file, $(man-pages), $(eval $(call install-data-in, $(file), $(mandir)/man$(patsubst .%,%,$(suffix $(file)))))) .PHONY: default all man help all: $(programs-list) $(libs-list) $(man-pages) man: $(man-pages) help: @echo "The following targets are available:" @echo "" @echo " default: Build default targets" ifdef man-pages @echo " man: Generate manual pages" endif @$(print-top-help) ifdef programs-list @echo "" @echo "The following programs can be built:" @echo "" @for i in $(programs-list); do echo " $$i"; done endif ifdef libs-list @echo "" @echo "The following libraries can be built:" @echo "" @for i in $(libs-list); do echo " $$i"; done endif @echo "" @echo "The following variables control the build:" @echo "" @echo " BUILD_SHARED_LIBS ($(BUILD_SHARED_LIBS)): Whether to build shared libraries" @echo " BUILD_DEBUG ($(BUILD_DEBUG)): Whether to include debug symbols" @echo " CC ($(CC)): C compiler to be used" @echo " CFLAGS: Flags for the C compiler" @echo " CXX ($(CXX)): C++ compiler to be used" @echo " CXXFLAGS: Flags for the C++ compiler" @echo " CPPFLAGS: C preprocessor flags, used for both CC and CXX" @$(print-var-help)