Makefile.mak

   1 # Makefile.mak - POSIX Makefile.mak adjunct for TopGit
   2
   3 .POSIX:
   4
   5 # Default target is all
   6 all:
   7
   8 # Makefile.sh sets many variables used by this Makefile.mak
   9
  10 include $(CONFIGMAK)
  11 SHELL = $(SHELL_PATH)
  12
  13 all: \
  14         shell_compatibility_test \
  15         precheck \
  16         tg $(commands_out) $(utils_out) $(awk_out) $(hooks_out) $(helpers_out) \
  17         bin-wrappers/tg bin-wrappers/pre-commit $(help_out) tg-tg.txt
  18
  19 settings: TG-BUILD-SETTINGS FORCE
  20         +$(Q)cd t && $(MAKE) settings
  21
  22 awk: $(awk_out)
  23 hooks: $(hooks_out)
  24 helpers: $(helpers_out)
  25
  26 please_set_SHELL_PATH_to_a_more_modern_shell: FORCE
  27         @$$(:)
  28
  29 shell_compatibility_test: please_set_SHELL_PATH_to_a_more_modern_shell
  30
  31 # $(POUND) expands to a single '#' courtesy of Makefile.sh
  32 AT = @
  33 Q_ = $(AT)
  34 Q_0 = $(Q_)
  35 Q = $(Q_$(V))
  36 QSED_ = $(AT)echo "[SED] $@" &&
  37 QSED_0 = $(QSED_)
  38 QSED = $(QSED_$(V))
  39 QHELP_ = $(AT)CMD="$@" && CMD="$${CMD$(POUND)tg-}" && echo "[HELP] $${CMD%.txt}" &&
  40 QHELP_0 = $(QHELP_)
  41 QHELP = $(QHELP_$(V))
  42 QHELPTG_ = $(AT)echo "[HELP] tg" &&
  43 QHELPTG_0 = $(QHELPTG_)
  44 QHELPTG = $(QHELPTG_$(V))
  45 QHTML_ = $(AT)CMD="$@" && CMD="$${CMD$(POUND)tg-}" && echo "[HTML] $${CMD%.html}" &&
  46 QHTML_0 = $(QHTML_)
  47 QHTML = $(QHTML_$(V))
  48 QHTMLTOPGIT_ = $(AT)echo "[HTML] topgit" &&
  49 QHTMLTOPGIT_0 = $(QHTMLTOPGIT_)
  50 QHTMLTOPGIT = $(QHTMLTOPGIT_$(V))
  51 QWRAPPER_ = $(AT)echo "[WRAPPER] $@" &&
  52 QWRAPPER_0 = $(QWRAPPER_)
  53 QWRAPPER = $(QWRAPPER_$(V))
  54
  55 # Very important rule to avoid "accidents" caused by Makefile.sh's existence
  56 # Some ridiculous "make" implementations will always implicitly "make Makefile"
  57 # even though .POSIX: has been specified and that's definitely NOT POSIX!
  58 Makefile:
  59         @true
  60
  61 # Clean out the standard six single suffix inference rules to avoid accidents
  62 .SUFFIXES: .c .sh .f .c˜ .sh˜ .f˜
  63 .c:;
  64 .f:;
  65 .sh:;
  66 .c~:;
  67 .f~:;
  68 .sh~:;
  69 .SUFFIXES:
  70
  71 # The fatal flaw with .SUFFIXES is that while it's possible to add dependencies
  72 # without listing rule commands, doing so prevents use of an inference rule
  73 # because the dependency-adding-rule-with-no-commands is still considered a rule.
  74 # Of course that means the free automatic dependency crated by an inference rule
  75 # also can't be picked up but fortunately we have DEPFILE instead.
  76 include $(DEPFILE)
  77
  78 tg $(commands_out) $(utils_out) $(hooks_out) $(helpers_out): Makefile Makefile.mak Makefile.sh TG-BUILD-SETTINGS
  79         $(QSED)sed \
  80                 -e '1s|#!.*/sh|#!$(SHELL_PATH)|' \
  81                 -e '1s|#!.*/awk|#!$(AWK_PREFIX)$(AWK_PATH)|' \
  82                 -e 's#@cmddir@#$(cmddir)#g;' \
  83                 -e 's#@hooksdir@#$(hooksdir)#g' \
  84                 -e 's#@bindir@#$(bindir)#g' \
  85                 -e 's#@sharedir@#$(sharedir)#g' \
  86                 -e 's#@mingitver@#$(GIT_MINIMUM_VERSION)#g' \
  87                 -e 's#@tgsthelpusage@#$(TG_STATUS_HELP_USAGE)#g' \
  88                 -e 's#@SHELL_PATH@#$(SHELL_PATH_SQ)#g' \
  89                 -e 's#@AWK_PATH@#$(AWK_PATH_SQ)#g' \
  90                 $(version_arg) \
  91                 "$@.sh" >"$@+" && \
  92         chmod +x "$@+" && \
  93         mv "$@+" "$@"
  94
  95 tg--awksome: $(awk_out)
  96 $(awk_out): Makefile TG-BUILD-SETTINGS
  97         $(QSED)sed \
  98                 -e '1s|#!.*/awk|#!$(AWK_PREFIX)$(AWK_PATH_SQ)|' \
  99                 "$@.awk" >"$@+" && \
 100         chmod +x "$@+" && \
 101         mv "$@+" "$@"
 102
 103 bin-wrappers/tg : tg
 104         $(QWRAPPER){ [ -d bin-wrappers ] || mkdir bin-wrappers; } && \
 105         echo '#!$(SHELL_PATH_SQ)' >"$@" && \
 106         curdir="$$(pwd -P)" && \
 107         echo "TG_INST_BINDIR='$$curdir' && export TG_INST_BINDIR" >>"$@" && \
 108         echo "TG_INST_CMDDIR='$$curdir' && export TG_INST_CMDDIR" >>"$@" && \
 109         echo "TG_INST_SHAREDIR='$$curdir' && export TG_INST_SHAREDIR" >>"$@" && \
 110         echo "TG_INST_HOOKSDIR='$$curdir/bin-wrappers' && export TG_INST_HOOKSDIR" >>"$@" && \
 111         echo '[ -n "$$tg__include" ] || exec $(SHELL_PATH_SQ) -c '\''. "$$TG_INST_BINDIR/tg"'\'' "$$0" "$$@" || exit $$?' >>"$@" && \
 112         echo ". '$$curdir/tg'" >>"$@" && sed <"$@" "/exec.* -c /s/ -c / -x -c /" >"$@x" && \
 113         chmod a+x "$@" "$@x"
 114
 115 bin-wrappers/pre-commit : hooks/pre-commit
 116         $(QWRAPPER){ [ -d bin-wrappers ] || mkdir bin-wrappers; } && \
 117         echo '#!$(SHELL_PATH_SQ)' >"$@" && \
 118         curdir="$$(pwd -P)" && \
 119         echo "TG_INST_BINDIR='$$curdir' && export TG_INST_BINDIR" >>"$@" && \
 120         echo "TG_INST_CMDDIR='$$curdir' && export TG_INST_CMDDIR" >>"$@" && \
 121         echo "TG_INST_SHAREDIR='$$curdir' && export TG_INST_SHAREDIR" >>"$@" && \
 122         echo "TG_INST_HOOKSDIR='$$curdir/bin-wrappers' && export TG_INST_HOOKSDIR" >>"$@" && \
 123         echo ". '$$curdir/hooks/pre-commit'" >>"$@" && \
 124         chmod a+x "$@"
 125
 126 $(help_out): README create-help.sh polish-help-txt.pl
 127         $(QHELP)CMD="$@" && CMD="$${CMD#tg-}" && CMD="$${CMD%.txt}" && \
 128         $(SHELL_PATH) ./create-help.sh "$$CMD"
 129
 130 doc: html
 131
 132 install-doc: install-html
 133
 134 html: topgit.html $(html_out)
 135
 136 tg-tg.txt: README create-html-usage.pl $(commands_in)
 137         $(QHELPTG)perl ./create-html-usage.pl --text < README > $@
 138
 139 topgit.html: README create-html-usage.pl $(commands_in)
 140         $(QHTMLTOPGIT)perl ./create-html-usage.pl < README | rst2html.py - $@
 141
 142 $(html_out): create-html.sh
 143         $(QHTML)CMD="$@" && CMD="$${CMD#tg-}" && CMD="$${CMD%.html}" && \
 144         $(SHELL_PATH) ./create-html.sh "$$CMD"
 145
 146 precheck: precheck_DESTDIR_$(DESTDIRBOOL)
 147
 148 precheck_DESTDIR_No: tg FORCE
 149         $(Q)./tg precheck
 150 precheck_DESTDIR_Yes: FORCE
 151         $(Q)echo "skipping precheck because DESTDIR is set"
 152
 153 install: all FORCE
 154         install -d -m 755 "$(DESTDIR)$(bindir)"
 155         install tg "$(DESTDIR)$(bindir)"
 156         install -d -m 755 "$(DESTDIR)$(cmddir)"
 157         install $(commands_out) $(utils_out) "$(DESTDIR)$(cmddir)"
 158         install -d -m 755 "$(DESTDIR)$(cmddir)/awk"
 159         install $(awk_out) "$(DESTDIR)$(cmddir)/awk"
 160         install -d -m 755 "$(DESTDIR)$(hooksdir)"
 161         install $(hooks_out) "$(DESTDIR)$(hooksdir)"
 162         install -d -m 755 "$(DESTDIR)$(sharedir)"
 163         install -m 644 $(help_out) tg-tg.txt "$(DESTDIR)$(sharedir)"
 164
 165 install-html: html FORCE
 166         install -d -m 755 "$(DESTDIR)$(sharedir)"
 167         install -m 644 topgit.html $(html_out) "$(DESTDIR)$(sharedir)"
 168
 169 clean: FORCE
 170         rm -f tg $(commands_out) $(utils_out) $(awk_out) $(hooks_out) $(helpers_out) $(help_out) tg-tg.txt topgit.html $(html_out)
 171         rm -f TG-BUILD-SETTINGS Makefile.dep Makefile.var
 172         rm -rf bin-wrappers
 173         +-$(Q)cd t && $(MAKE) clean
 174
 175 BUILD_SETTINGS = \
 176 bs() { printf "%s\\n" \
 177         "TG_INST_BINDIR='$(bindir)'" \
 178         "TG_INST_CMDDIR='$(cmddir)'" \
 179         "TG_INST_HOOKSDIR='$(hooksdir)'" \
 180         "TG_INST_SHAREDIR='$(sharedir)'" \
 181         "SHELL_PATH='$(SHELL_PATH)'" \
 182         "AWK_PATH='$(AWK_PATH)'" \
 183         "TG_VERSION='$(version)'" \
 184         "TG_GIT_MINIMUM_VERSION='$(GIT_MINIMUM_VERSION)'" \
 185 ;}
 186
 187 # Makefile.sh sets FORCE_SETTINGS_BUILD to FORCE and pre-runs
 188 # make -f Makefile.mak TG-BUILD-SETTINGS thus avoiding this always
 189 # causing the targets that depend on it to build while still forcing
 190 # a rebuild if any settings actually change.
 191 TG-BUILD-SETTINGS: $(CONFIGDEPS) $(FORCE_SETTINGS_BUILD)
 192         $(Q)$(BUILD_SETTINGS);if test x"$$(bs)" != x"`cat \"$@\" 2>/dev/null`"; then \
 193                 echo "* new build settings"; \
 194                 bs >"$@"; \
 195         elif test z"$(FORCE_SETTINGS_BUILD)" = z; then touch "$@"; fi
 196
 197 test: all FORCE
 198         +$(Q)cd t && $(MAKE) all
 199
 200 FORCE: __file_which_should_not_exist
 201
 202 # This "phony" target must have at least one command otherwise it will not
 203 # actually run anything and so will not actually trigger the rules that depend
 204 # on FORCE to run either.  By using "true" instead of ":" "make"s that
 205 # short-circuit directly to execvp should be able to run "true" directly.
 206 __file_which_should_not_exist:
 207         -@true