libcody/Makefile.in

   1 # Nathan's generic Makefile             -*- mode:Makefile -*-
   2 # Copyright (C) 2019-2020 Nathan Sidwell, nathan@acm.org
   3 # License: Apache v2.0
   4
   5 ifeq (0,$(MAKELEVEL))
   6 ifneq (,@tools@)
   7 $(info Prepending @tools@/bin to PATH)
   8 PATH := @tools@/bin:$(PATH)
   9 export PATH
  10 endif
  11 ifeq (,$(SERIAL))
  12 # Figure out if we should set parallelism
  13 ifeq (,$(filter clean%,$(MAKECMDGOALS)))
  14 PARALLELISM := @NUM_CPUS@
  15 endif
  16 endif
  17 endif
  18
  19 ifeq (00,$(MAKELEVEL)$(if $(PARALLELISM),0,1))
  20 # Although Make 4.3 documentation suggests I can set parallelism just
  21 # by appending to MAKEFLAGS, it doesn't seem to work.  It's also not
  22 # possible to figure out the current Make invocation's parallelism,
  23 # the -j option doesn't appear in MAKEFLAGS and is magically inserted
  24 # when that is expanded in a rule.  I can't figure how to get a rule
  25 # expansion into a variable to test.  Fortunately, Make propagates an
  26 # incoming -j option rather than the one you attempted to append
  27 $(info Parallelizing $(PARALLELISM) ways)
  28 MAKEFLAGS += -j$(PARALLELISM)
  29 ifneq (,$(MAKECMDGOALS))
  30 $(MAKECMDGOALS): recurse
  31 endif
  32 recurse:
  33         $(MAKE) -r$(MAKEFLAGS) $(MAKECMDGOALS)
  34 .PHONY: recurse
  35 else
  36
  37 srcdir := @srcdir@
  38 prefix := @prefix@
  39 exec_prefix := @exec_prefix@
  40 bindir := @bindir@
  41 libdir := @libdir@
  42 includedir := @includedir@
  43 SUBDIRS := @SUBDIRS@
  44 # autoconf doesn't seem to like setting SHELL
  45 SHELL := $(shell which zsh 2>/dev/null >/dev/null && echo zsh \
  46   || (echo "No ZSH, maybe flakey" >&2 && echo sh))
  47
  48 # We have to place the -I paths last, so that building will see -I paths to us
  49 CXX := $(filter-out -I%,@CXX@)
  50 AR := @AR@
  51 INSTALL := $(srcdir)/build-aux/install-sh
  52
  53 # C++ compiler options
  54 CXXFLAGS := @CXXFLAGS@
  55 CXXINC := $(filter -I%,@CXX@)
  56 CXXOPTS := $(CXXFLAGS)
  57 ifeq ($(notdir $(firstword $(CXX))),g++)
  58 # It's GCC, or pretending to be it -- so it better smell like it!
  59 # Code generation
  60 CXXOPTS += -fno-enforce-eh-specs
  61 CXXOPTS += -fno-stack-protector -fno-threadsafe-statics
  62 ifneq (@EXCEPTIONS@,yes)
  63 CXXOPTS += -fno-exceptions -fno-rtti
  64 endif
  65 ifeq ($(filter -fdebug-prefix-map=%,$(CXXOPTS)),)
  66 CXXOPTS += -fdebug-prefix-map=${srcdir}/=
  67 endif
  68 # Warning options
  69 CXXOPTS += -W -Wall
  70 ifeq (no,)
  71 # just turn off for now
  72 CXXOPTS += -Woverloaded-virtual -Wshadow
  73 CXXOPTS += -Wno-invalid-offsetof -Wno-unused-variable
  74 CXXOPTS += -Wno-missing-field-initializers
  75 # Diagnostic options, look at controlling terminal so that piping
  76 # through more works
  77 MLEN := $(shell stty size </dev/tty 2>/dev/null | cut -d' ' -f2)
  78 ifneq (,$(MLEN))
  79 CXXOPTS += -fmessage-length=$(MLEN)
  80 endif
  81 CXXOPTS += -fdiagnostics-color=always -fno-diagnostics-show-option
  82 endif
  83 else
  84 ifeq ($(notdir $(firstword $(CXX))),clang++)
  85 CXXOPTS += -fno-stack-protector -fno-threadsafe-statics
  86 ifneq (@EXCEPTIONS@,yes)
  87 CXXOPTS += -fno-exceptions -fno-rtti
  88 endif
  89 # Warning options
  90 CXXOPTS += -W -Wall -Woverloaded-virtual -Wshadow
  91 CXXOPTS += -Wno-invalid-offsetof -Wno-unused-variable
  92 CXXOPTS += -Wno-missing-field-initializers
  93 else
  94 # Add different compiler's options here
  95 endif
  96 endif
  97
  98 # Config
  99 CXXOPTS += $(filter-out -DHAVE_CONFIG_H,@DEFS@) -include config.h
 100
 101 # Linker options
 102 LDFLAGS := -L. @LDFLAGS@
 103 LIBS := @LIBS@
 104
 105 # Per-source & per-directory compile flags (warning: recursive)
 106 SRC_CXXFLAGS = $(CXXFLAGS$(patsubst $(srcdir)%,%,$1)) \
 107         $(if $(filter-out $(srcdir)/,$1),\
 108           $(call $0,$(dir $(patsubst %/,%,$1))))
 109
 110 ifneq ($(MAINTAINER),)
 111 override MAINTAINER += $1
 112 endif
 113 ifeq (@MAINTAINER@,yes)
 114 MAINTAINER = $2
 115 else
 116 MAINTAINER = \# --enable-maintainer-mode to rebuild $1, or make MAINTAINER=touch
 117 endif
 118
 119 vpath %.in $(srcdir)
 120 vpath %.cc $(srcdir)
 121
 122 .SUFFIXES: .o .cc
 123
 124 %.o: %.cc
 125         @mkdir -p $(dir $@)
 126         $(CXX) $(strip $(CXXOPTS) $(call SRC_CXXFLAGS,$<) $(CXXINC)) \
 127           -MMD -MP -MF ${@:.o=.d} -c -o $@ $<
 128
 129 all:: Makefile $(addprefix all.,$(SUBDIRS))
 130
 131 check:: Makefile $(addprefix check.,$(SUBDIRS))
 132
 133 clean:: Makefile $(addprefix clean.,$(SUBDIRS))
 134
 135 revision.stamp: $(addprefix $(srcdir)/,. $(SUBDIRS))
 136         @revision=$$(git -C $(srcdir) rev-parse HEAD 2>/dev/null) ;\
 137         if test -n "$$revision" ;\
 138         then revision=git-$$revision ;\
 139           if git -C $(srcdir) status --porcelain 2>/dev/null | grep -vq '^  ' ;\
 140           then revision+=M ;\
 141           fi ;\
 142         else revision=unknown ;\
 143         fi ;\
 144         echo $$revision > $@
 145
 146 revision: revision.stamp
 147         @cmp -s $< $@ || cp -f $< $@
 148
 149 clean::
 150         rm -f revision.stamp revision
 151
 152 distclean:: clean
 153         rm -f config.log config.status
 154         rm -rf $(SUBDIRS)
 155
 156 $(srcdir)/configure: $(srcdir)/configure.ac \
 157           $(patsubst %,$(srcdir)/%/config.m4,. $(SUBDIRS))
 158         $(call MAINTAINER,$@,cd $(@D) && autoconf -W all,error)
 159
 160 $(srcdir)/config.h.in: $(srcdir)/configure.ac \
 161           $(patsubst %,$(srcdir)/%/config.m4,. $(SUBDIRS))
 162         $(call MAINTAINER,$@,cd $(@D) && autoheader -f -W all,error)
 163
 164 config.h: config.status config.h.in
 165         ./$< --header=$@
 166         touch $@
 167
 168 ifeq ($(filter %clean,$(MAKECMDGOALS)),)
 169 @CONFIG_FILES@: %: config.status %.in
 170         ./$< --file=$@
 171         touch $@
 172 endif
 173
 174 config.status: $(srcdir)/configure $(srcdir)/config.h.in
 175         if test -x $@; then ./$@ -recheck; else $< @configure_args@; fi
 176
 177 distclean:: clean
 178         rm -f config.h
 179
 180 maintainer-clean:: distclean
 181         rm -f $(srcdir)/config.h.in
 182
 183 clean::
 184         rm -f $(shell find $(srcdir) -name '*~')
 185
 186 .PHONY: all check clean distclean maintainer-clean
 187
 188 -include $(addsuffix /Makesub,. $(SUBDIRS))
 189 -include $(addsuffix /tests/Makesub,. $(SUBDIRS))
 190
 191 endif