manual/Makefile

   1 # Copyright (C) 1992-2023 Free Software Foundation, Inc.
   2 # This file is part of the GNU C Library.
   3
   4 # The GNU C Library is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU Lesser General Public
   6 # License as published by the Free Software Foundation; either
   7 # version 2.1 of the License, or (at your option) any later version.
   8
   9 # The GNU C Library is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Lesser General Public License for more details.
  13
  14 # You should have received a copy of the GNU Lesser General Public
  15 # License along with the GNU C Library; if not, see
  16 # <https://www.gnu.org/licenses/>.
  17
  18 # Makefile for the GNU C Library manual.
  19
  20 subdir := manual
  21
  22 include ../Makeconfig
  23
  24 .PHONY: dvi pdf info html
  25
  26 dvi: $(objpfx)libc.dvi
  27 pdf: $(objpfx)libc.pdf
  28
  29 TEXI2DVI = texi2dvi
  30 TEXI2PDF = texi2dvi --pdf
  31
  32 ifneq ($(strip $(MAKEINFO)),:)
  33 info: $(objpfx)libc.info
  34 endif
  35
  36 chapters = $(addsuffix .texi, \
  37                        intro errno memory ctype string charset locale   \
  38                        message search pattern io stdio llio filesys     \
  39                        pipe socket terminal syslog math arith time      \
  40                        resource setjmp signal startup process ipc job   \
  41                        nss users sysinfo conf crypt debug threads       \
  42                        dynlink probes tunables)
  43 appendices = lang.texi header.texi install.texi maint.texi platform.texi \
  44              contrib.texi
  45 licenses = freemanuals.texi lgpl-2.1.texi fdl-1.3.texi
  46
  47 -include $(objpfx)texis
  48 $(objpfx)texis: texis.awk $(chapters) $(appendices) $(licenses)
  49         $(make-target-directory)
  50         $(AWK) -f $^ > $@.T
  51         mv -f $@.T $@
  52
  53 nonexamples = $(filter-out %.c.texi, $(texis))
  54 examples = $(filter %.c.texi, $(texis))
  55
  56 # Generated files directly included from libc.texinfo.
  57 libc-texi-generated = chapters.texi top-menu.texi dir-add.texi \
  58                       libm-err.texi version.texi pkgvers.texi
  59
  60 # Add path to build dir for generated files
  61 texis-path := $(filter-out $(libc-texi-generated) summary.texi $(examples), \
  62                                 $(texis))                                   \
  63          $(addprefix $(objpfx),$(filter $(libc-texi-generated) summary.texi \
  64                                         $(examples), $(texis)))
  65
  66 # Kludge: implicit rule so Make knows the one command does it all.
  67 chapters.% top-menu.%: libc-texinfo.sh $(texis-path) Makefile
  68         AWK=$(AWK) $(SHELL) $< $(objpfx) \
  69                                 '$(chapters)' \
  70                                '$(appendices) $(licenses)'
  71
  72
  73 $(objpfx)libc.dvi $(objpfx)libc.pdf $(objpfx)libc.info: \
  74         $(addprefix $(objpfx),$(libc-texi-generated))
  75 $(objpfx)libc.dvi $(objpfx)libc.pdf: texinfo.tex
  76
  77 html: $(objpfx)libc/index.html
  78 $(objpfx)libc/index.html: $(addprefix $(objpfx),$(libc-texi-generated))
  79         $(MAKEINFO) -P $(objpfx) -o $(objpfx)libc --html libc.texinfo
  80
  81 # Generate the summary from the Texinfo source files for each chapter.
  82 $(objpfx)summary.texi: $(objpfx)stamp-summary ;
  83 $(objpfx)stamp-summary: summary.pl $(filter-out $(objpfx)summary.texi, \
  84                                         $(texis-path))
  85         $(SHELL) ./check-safety.sh $(filter-out $(objpfx)%, $(texis-path))
  86         LC_ALL=C $(PERL) $^ > $(objpfx)summary-tmp
  87         $(move-if-change) $(objpfx)summary-tmp $(objpfx)summary.texi
  88         touch $@
  89
  90 # Generate a file which can be added to the `dir' content to provide direct
  91 # access to the documentation of the function, variables, and other
  92 # definitions.
  93 $(objpfx)dir-add.texi: xtract-typefun.awk $(texis-path)
  94         (echo "@dircategory GNU C library functions and macros";        \
  95          echo "@direntry";                                              \
  96          $(AWK) -f $^ | sort;                                           \
  97          echo "@end direntry") > $@.new
  98         mv -f $@.new $@
  99
 100 # The table with the math errors is generated.
 101 $(objpfx)libm-err.texi: $(objpfx)stamp-libm-err
 102 $(objpfx)stamp-libm-err: $(..)math/gen-libm-test.py \
 103                          $(wildcard $(foreach dir,$(sysdirs),\
 104                                                   $(dir)/libm-test-ulps))
 105         pwd=`pwd`; \
 106         $(PYTHON) $< -s $$pwd/.. -m $(objpfx)libm-err-tmp
 107         $(move-if-change) $(objpfx)libm-err-tmp $(objpfx)libm-err.texi
 108         touch $@
 109
 110 # Package version and bug reporting URL.
 111 $(objpfx)pkgvers.texi: $(objpfx)stamp-pkgvers ;
 112 $(objpfx)stamp-pkgvers: $(common-objpfx)config.make
 113         echo "@ifclear PKGVERS" > $(objpfx)pkgvers-tmp
 114         echo "@set PKGVERS" >> $(objpfx)pkgvers-tmp
 115         echo "@set PKGVERSION $(PKGVERSION_TEXI)" >> $(objpfx)pkgvers-tmp
 116         if [ "$(PKGVERSION_TEXI)" = "(GNU libc) " ]; then \
 117           echo "@set PKGVERSION_DEFAULT" >> $(objpfx)pkgvers-tmp; \
 118         fi
 119         echo "@set REPORT_BUGS_TO $(REPORT_BUGS_TEXI)" >> $(objpfx)pkgvers-tmp
 120         echo "@end ifclear" >> $(objpfx)pkgvers-tmp
 121         $(move-if-change) $(objpfx)pkgvers-tmp $(objpfx)pkgvers.texi
 122         touch $@
 123
 124 # Generate a file with the version number.
 125 $(objpfx)version.texi: $(objpfx)stamp-version ;
 126 $(objpfx)stamp-version: $(common-objpfx)config.make
 127         echo "@set VERSION $(version)" > $(objpfx)version-tmp
 128         $(move-if-change) $(objpfx)version-tmp $(objpfx)version.texi
 129         touch $@
 130
 131 # Generate Texinfo files from the C source for the example programs.
 132 $(objpfx)%.c.texi: examples/%.c
 133         sed -e '1,/^\*\/$$/d'                           \
 134             -e 's,[{}],@&,g'                            \
 135             -e 's,/\*\(@.*\)\*/,\1,g'                   \
 136             -e 's,/\*  *,/* @r{,g' -e 's,  *\*/,} */,'  \
 137             -e 's/\(@[a-z][a-z]*\)@{\([^}]*\)@}/\1{\2}/g'\
 138             $< | expand > $@.new
 139         mv -f $@.new $@
 140
 141 $(objpfx)%.info: %.texinfo
 142         LANGUAGE=C LC_ALL=C $(MAKEINFO) -P $(objpfx) --output=$@ $<
 143
 144 $(objpfx)%.dvi: %.texinfo
 145         cd $(objpfx);$(TEXI2DVI) -I $(shell cd $(<D) && pwd) --output=$@ \
 146                                 $(shell cd $(<D) && pwd)/$<
 147
 148 $(objpfx)%.pdf: %.texinfo
 149         cd $(objpfx);$(TEXI2PDF) -I $(shell cd $(<D) && pwd) --output=$@ \
 150                                 $(shell cd $(<D) && pwd)/$<
 151
 152
 153 # Distribution.
 154 minimal-dist = summary.pl texis.awk tsort.awk libc-texinfo.sh libc.texinfo \
 155                libm-err.texi stamp-libm-err check-safety.sh                 \
 156                $(filter-out summary.texi, $(nonexamples))                   \
 157                $(patsubst %.c.texi,examples/%.c, $(examples))
 158
 159 indices = cp fn pg tp vr ky
 160 generated-dirs += libc
 161 generated += libc.dvi libc.pdf libc.tmp libc.info*                            \
 162              stubs                                                            \
 163              texis summary.texi stamp-summary *.c.texi                        \
 164              $(foreach index,$(indices),libc.$(index) libc.$(index)s)         \
 165              libc.log libc.aux libc.toc                                       \
 166              $(libc-texi-generated)                                           \
 167              stamp-libm-err stamp-version
 168
 169 include ../Rules
 170
 171 .PHONY: install subdir_install install-data
 172 install-data subdir_install: install
 173 # Generated files requiring python: libm-err.texi
 174 # Generated files requiring perl: summary.texi
 175 ifneq ($(PERL),no)
 176 ifneq ($(strip $(MAKEINFO)),:)
 177 install: $(inst_infodir)/libc.info
 178         @if $(SHELL) -c '$(INSTALL_INFO) --version' >/dev/null 2>&1; then \
 179          test -f $(inst_infodir)/dir || $(INSTALL_DATA) dir $(inst_infodir);\
 180          $(INSTALL_INFO) --info-dir=$(inst_infodir) $(inst_infodir)/libc.info;\
 181         else : ; fi
 182 endif
 183 endif
 184 # Catchall implicit rule for other installation targets from the parent.
 185 install-%: ;
 186
 187 $(inst_infodir)/libc.info: $(objpfx)libc.info
 188         $(make-target-directory)
 189         for file in $<*; do \
 190           $(INSTALL_DATA) $$file $(@D)/; \
 191         done
 192
 193 TAGS: $(minimal-dist)
 194         $(ETAGS) -o $@ $^