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