chiark - git - mdw - tripe-android/blob - Makefile

   1 ### -*-makefile-*-
   2 ###
   3 ### Build script for the TrIPE Android app
   4 ###
   5 ### (c) 2018 Straylight/Edgeware
   6 ###
   7
   8 ###----- Licensing notice ---------------------------------------------------
   9 ###
  10 ### This file is part of the Trivial IP Encryption (TrIPE) Android app.
  11 ###
  12 ### TrIPE is free software: you can redistribute it and/or modify it under
  13 ### the terms of the GNU General Public License as published by the Free
  14 ### Software Foundation; either version 3 of the License, or (at your
  15 ### option) any later version.
  16 ###
  17 ### TrIPE is distributed in the hope that it will be useful, but WITHOUT
  18 ### ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  19 ### FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  20 ### for more details.
  21 ###
  22 ### You should have received a copy of the GNU General Public License
  23 ### along with TrIPE.  If not, see <https://www.gnu.org/licenses/>.
  24
  25 PACKAGE                  = tripe-android
  26 VERSION                 := $(shell ./auto-version)
  27
  28 .SECONDEXPANSION: #sorry
  29
  30 ###--------------------------------------------------------------------------
  31 ### Build parameters.
  32
  33 ## Where to put the object files.
  34 OUTDIR                   = out/
  35
  36 ## Native C compiler.
  37 CC                       = gcc
  38 CFLAGS                   = -O2 -g -Wall -pedantic -Werror
  39
  40 ## Native linker.
  41 LD                       = gcc
  42 LDFLAGS.so               = -shared
  43
  44 ## External `pkg-config' packages required.
  45 PKGS                     = mLib catacomb
  46
  47 ## Java development kit.
  48 JDKDIR                   = /usr/lib/jvm/default-java
  49 JDK_PLAT                 = linux
  50 JNI_INCLUDES             = $(JDKDIR)/include $(JDKDIR)/include/$(JDK_PLAT)
  51
  52 ## Default arguments for the Java runtime.
  53 JAVADEFS                 =
  54
  55 ## The Java runtime, for some reason, hardcodes its default for
  56 ## `java.io.tmpdir', inviting security problems.  If the user has defined a
  57 ## `TMPDIR', then persuade Java to use it.
  58 explicit-tmpdir-p        = $(if $(filter-out undefined,$(origin TMPDIR)),t,nil)
  59 ifeq ($(explicit-tmpdir-p), t)
  60   JAVADEFS              += -Djava.io.tmpdir=$(TMPDIR)
  61 endif
  62
  63 ## Java compiler.
  64 JAVAC                    = javac $(JAVADEFS)
  65 JAVAFLAGS                =
  66
  67 ## Scala compiler.
  68 ##
  69 ## Unfortunately, `fsc' is a total security disaster.  On the other hand,
  70 ## `scalac' is rather slow.  If we're running with a custom `TMPDIR', and the
  71 ## `noip' wrapper <https://git.distorted.org.uk/~mdw/preload-hacks/> is
  72 ## available, then we can tame `fsc' enough that it's probably safe to run;
  73 ## otherwise, it's too risky to enable by default.
  74 noip-available-p        := $(shell noip echo t 2>/dev/null || echo nil)
  75 ifeq ($(noip-available-p), t)
  76   NOIP                   = noip
  77 endif
  78 ifeq "$(explicit-tmpdir-p),$(noip-available-p)" "t,t"
  79   SCALAC                 = $(NOIP) fsc $(JAVADEFS)
  80   SCALAC_RESET           = $(SCALAC) -reset
  81 else
  82   SCALAC                 = scalac $(JAVADEFS)
  83   SCALAC_RESET           =
  84 endif
  85 SCALAFLAGS               = -optimise -feature -deprecation -Xfatal-warnings \
  86                                 -Xlint -Xlint:-package-object-classes \
  87                                 -Yinline-warnings:false
  88 SCALA_REPL               = $(NOIP) scala $(JAVADEFS)
  89
  90 ## Silent-rules is on by default.
  91 V                        = 0
  92
  93 ## Allow local overrides at this point.
  94 -include local.mk
  95
  96 ###--------------------------------------------------------------------------
  97 ### Silent-rules machinery.
  98
  99 v_tag                    = $(call v_tag_$V,$1)
 100 v_tag_0                  = @printf "  %-8s %s\n" "$1" "$@";
 101
 102 V_AT                     = $(V_AT_$V)
 103 V_AT_0                   = @
 104
 105 ###--------------------------------------------------------------------------
 106 ### External native packages.
 107
 108 PKGS_CFLAGS             := $(foreach p,$(PKGS),$(shell pkg-config --cflags $p))
 109 PKGS_LIBS               := $(foreach p,$(PKGS),$(shell pkg-config --libs $p))
 110
 111 ALL_CFLAGS               = $(CFLAGS) -fPIC \
 112                                 $(addprefix -I,$(JNI_INCLUDES)) \
 113                                 $(PKGS_CFLAGS)
 114
 115 LIBS                     = $(PKGS_LIBS)
 116
 117 ###--------------------------------------------------------------------------
 118 ### Various other tweaks and overrides.
 119
 120 ## Hack around https://issues.scala-lang.org/browse/SI-9689
 121 SCALAFLAGS              += -Yno-load-impl-class
 122
 123 ###--------------------------------------------------------------------------
 124 ### And now we can start building things.
 125
 126 all::
 127 .PHONY: all
 128
 129 CLEANFILES               =
 130 clean::
 131 .PHONY: clean
 132
 133 ###--------------------------------------------------------------------------
 134 ### Native C code.
 135
 136 out/%.o: %.c
 137         $(call v_tag,CC)mkdir -p $(OUTDIR) && \
 138                 $(CC) -c $(ALL_CFLAGS) -MMD -o$@ $<
 139
 140 ALL_SOURCES              =
 141 DISTFILES               += $(ALL_SOURCES)
 142
 143 objects                  = $(patsubst %.c,$(OUTDIR)%$2,$1)
 144 CLEANFILES              += $(OUTDIR)*.o $(OUTDIR)*.d
 145
 146 ###--------------------------------------------------------------------------
 147 ### Java classes.
 148
 149 ## Java and Scala source files turn into multiple `.class' files with
 150 ## unpredictable names.  Rather than try to guess stable outputs for these
 151 ## sources, we make artificial `timestamp' files and uses these in our
 152 ## dependencies.
 153 CLASSDIR                 = $(OUTDIR)cls/
 154 stamps                   = $(patsubst %,$(OUTDIR)%.stamp,$1)
 155
 156 clean::; rm -rf $(CLASSDIR)
 157 CLEANFILES              += $(OUTDIR)*.stamp
 158
 159 ## Compiling actual Java code.  Note that this confuses the resident Scala
 160 ## compiler, so we have to reset it here.
 161 CLSISH                  += java
 162 $(OUTDIR)%.stamp: %.java
 163         $(call v_tag,JAVAC)mkdir -p $(CLASSDIR) && \
 164                 $(JAVAC) -d $(CLASSDIR) -cp $(CLASSDIR) $(JAVAFLAGS) $< && \
 165                 echo built >$@
 166         $(V_AT)$(SCALAC_RESET)
 167
 168 ## Compiling Scala code.
 169 CLSEXT                  += scala
 170 $(OUTDIR)%.stamp: %.scala
 171         $(call v_tag,SCALAC)mkdir -p $(CLASSDIR) && \
 172                 $(SCALAC) -d $(CLASSDIR) -cp $(CLASSDIR) $(SCALAFLAGS) $< && \
 173                 echo built >$@
 174
 175 ###--------------------------------------------------------------------------
 176 ### Native-code libraries.
 177
 178 SHLIBS                  += toy
 179 toy_SOURCES              = jni.c
 180
 181 shlibfile                = $(patsubst %,$(OUTDIR)lib%.so,$1)
 182 SHLIBFILES               = $(call shlibfile,$(SHLIBS))
 183 TARGETS                 += $(SHLIBFILES)
 184 ALL_SOURCES             += $(foreach l,$(SHLIBS),$($l_SOURCES))
 185
 186 $(SHLIBFILES): $(OUTDIR)lib%.so: $$(call objects,$$($$*_SOURCES),.o)
 187         $(call v_tag,LD)$(LD) $(LDFLAGS.so) -o$@ $^ $(LIBS)
 188
 189 ###--------------------------------------------------------------------------
 190 ### Java classes.
 191
 192 ## Writing things out longhand is tedious.  `CLASSES' is a list of entries of
 193 ## the form `SRC[:DEP,...]', saying that `SRC.ext', being a source file
 194 ## capable of being built into `.class' files and setting `SRC.stamp', should
 195 ## be so built, and that it depends on other similar sources named DEP having
 196 ## been so built.
 197 CLASSES                 += util
 198 CLASSES                 += sys:util
 199 CLASSES                 += admin:sys,util
 200 CLASSES                 += tar:util
 201 CLASSES                 += progress:sys,util
 202 CLASSES                 += keys:progress,tar,sys,util
 203 CLASSES                 += terminal:progress,sys,util
 204 CLASSES                 += main:sys
 205
 206 ## Machinery for parsing the `CLASSES' list.
 207 COMMA                    = ,
 208 class-name               = $(firstword $(subst :, ,$1))
 209 class-deps               = $(subst $(COMMA), ,$(word 2,$(subst :, ,$1)))
 210
 211 CLASS_NAMES              = $(foreach c,$(CLASSES),$(call class-name,$c))
 212
 213 all:: $(call stamps,$(CLASS_NAMES))
 214
 215 $(foreach c,$(CLASSES),$(eval $(call stamps,$(call class-name,$c)): \
 216         $(call stamps,$(call class-deps,$c))))
 217
 218 DISTFILES               += $(foreach c,$(CLASSES),\
 219                                 $(foreach e,$(CLSEXT),\
 220                                   $(wildcard $(call class-name,$c).$e)))
 221
 222 ###--------------------------------------------------------------------------
 223 ### Distribution arrangements.
 224
 225 DISTFILES               += COPYING
 226 DISTFILES               += Makefile
 227 DISTFILES               += auto-version
 228
 229 distdir                  = $(PACKAGE)-$(VERSION)
 230 DISTTAR                  = $(distdir).tar.gz
 231
 232 distdir:
 233         rm -rf $(OUTDIR)$(distdir)
 234         mkdir $(OUTDIR)$(distdir)
 235         echo $(VERSION) >$(OUTDIR)$(distdir)/RELEASE
 236         set -e; for i in $(DISTFILES); do \
 237           case $$i in */*) mkdir -p $(OUTDIR)$(distdir)/$${i%/*} ;; esac; \
 238           cp $$i $(OUTDIR)$(distdir)/; \
 239         done
 240 .PHONY: distdir
 241
 242 dist: distdir
 243         set -e; cd $(OUTDIR); tar chozf ../$(DISTTAR) $(distdir)
 244         rm -rf $(distdir)
 245 .PHONY: dist
 246
 247 ###--------------------------------------------------------------------------
 248 ### Finishing touches.
 249
 250 all:: $(TARGETS)
 251
 252 clean::; rm -f $(CLEANFILES) $(TARGETS)
 253
 254 repl: all
 255         $(SCALA_REPL) -cp $(CLASSDIR) -Djava.library.path=$(OUTDIR)
 256 .PHONY: repl
 257
 258 -include $(call objects,$(ALL_SOURCES),.d)
 259
 260 ###----- That's all, folks --------------------------------------------------