Clarify documentation on how functions use timezone. Fixes bug 926.
[platform/upstream/glibc.git] / manual / Makefile
1 # Copyright (C) 1992-2013 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 # <http://www.gnu.org/licenses/>.
17
18 # Makefile for the GNU C Library manual.
19
20 subdir := manual
21
22 # Allow override
23 INSTALL_INFO = install-info
24
25 .PHONY: dvi pdf info html
26
27 # Get glibc's configuration info.
28 include ../Makeconfig
29
30 dvi: $(objpfx)libc.dvi
31 pdf: $(objpfx)libc.pdf
32
33 TEXI2DVI = texi2dvi
34 TEXI2PDF = texi2dvi --pdf
35
36 ifneq ($(strip $(MAKEINFO)),:)
37 info: $(objpfx)libc.info
38 endif
39
40 chapters = $(addsuffix .texi, \
41                        intro errno memory ctype string charset locale   \
42                        message search pattern io stdio llio filesys     \
43                        pipe socket terminal syslog math arith time      \
44                        resource setjmp signal startup process job nss   \
45                        users sysinfo conf crypt debug threads probes)
46 add-chapters = $(wildcard $(foreach d, $(add-ons), ../$d/$d.texi))
47 appendices = lang.texi header.texi install.texi maint.texi platform.texi \
48              contrib.texi
49 licenses = freemanuals.texi lgpl-2.1.texi fdl-1.3.texi
50
51 -include $(objpfx)texis
52 $(objpfx)texis: texis.awk $(chapters) $(add-chapters) $(appendices) $(licenses)
53         $(make-target-directory)
54         $(AWK) -f $^ > $@.T
55         mv -f $@.T $@
56
57 nonexamples = $(filter-out $(add-chapters) %.c.texi, $(texis))
58 examples = $(filter-out $(foreach d, $(add-ons), ../$d/%.c.texi), \
59                         $(filter %.c.texi, $(texis)))
60
61 # Generated files directly included from libc.texinfo.
62 libc-texi-generated = chapters.texi top-menu.texi dir-add.texi \
63                       libm-err.texi version.texi pkgvers.texi
64
65 # Add path to build dir for generated files
66 texis-path := $(filter-out $(libc-texi-generated) summary.texi $(examples), \
67                                 $(texis))                                   \
68          $(addprefix $(objpfx),$(filter $(libc-texi-generated) summary.texi \
69                                         $(examples), $(texis)))
70
71 # Kludge: implicit rule so Make knows the one command does it all.
72 chapters.% top-menu.%: libc-texinfo.sh $(texis-path) Makefile
73         AWK=$(AWK) $(SHELL) $< $(objpfx) \
74                                 '$(chapters)' \
75                                '$(add-chapters)' \
76                                '$(appendices) $(licenses)'
77
78
79 $(objpfx)libc.dvi $(objpfx)libc.pdf $(objpfx)libc.info: \
80         $(addprefix $(objpfx),$(libc-texi-generated))
81 $(objpfx)libc.dvi $(objpfx)libc.pdf: texinfo.tex
82
83 html: $(objpfx)libc/index.html
84 $(objpfx)libc/index.html: $(addprefix $(objpfx),$(libc-texi-generated))
85         $(MAKEINFO) -P $(objpfx) -o $(objpfx)libc --html libc.texinfo
86
87 # Generate the summary from the Texinfo source files for each chapter.
88 $(objpfx)summary.texi: $(objpfx)stamp-summary ;
89 $(objpfx)stamp-summary: summary.awk $(filter-out $(objpfx)summary.texi, \
90                                         $(texis-path))
91         $(AWK) -f $^ | sort -t'\f' -df -k 1,1 | tr '\014' '\012' \
92                 > $(objpfx)summary-tmp
93         $(move-if-change) $(objpfx)summary-tmp $(objpfx)summary.texi
94         touch $@
95
96 # Generate a file which can be added to the `dir' content to provide direct
97 # access to the documentation of the function, variables, and other
98 # definitions.
99 $(objpfx)dir-add.texi: xtract-typefun.awk $(texis-path)
100         (echo "@dircategory GNU C library functions and macros";        \
101          echo "@direntry";                                              \
102          $(AWK) -f $^ | sort;                                           \
103          echo "@end direntry") > $@.new
104         mv -f $@.new $@
105
106 # The table with the math errors is generated.
107 $(objpfx)libm-err.texi: $(objpfx)stamp-libm-err
108 $(objpfx)stamp-libm-err: libm-err-tab.pl $(wildcard $(foreach dir,$(sysdirs),\
109                                                      $(dir)/libm-test-ulps))
110         pwd=`pwd`; \
111         $(PERL) $< $$pwd/.. > $(objpfx)libm-err-tmp
112         $(move-if-change) $(objpfx)libm-err-tmp $(objpfx)libm-err.texi
113         touch $@
114
115 # Package version and bug reporting URL.
116 $(objpfx)pkgvers.texi: $(objpfx)stamp-pkgvers ;
117 $(objpfx)stamp-pkgvers: $(common-objpfx)config.make
118         echo "@ifclear PKGVERS" > $(objpfx)pkgvers-tmp
119         echo "@set PKGVERS" >> $(objpfx)pkgvers-tmp
120         echo "@set PKGVERSION $(PKGVERSION_TEXI)" >> $(objpfx)pkgvers-tmp
121         if [ "$(PKGVERSION_TEXI)" = "(GNU libc) " ]; then \
122           echo "@set PKGVERSION_DEFAULT" >> $(objpfx)pkgvers-tmp; \
123         fi
124         echo "@set REPORT_BUGS_TO $(REPORT_BUGS_TEXI)" >> $(objpfx)pkgvers-tmp
125         echo "@end ifclear" >> $(objpfx)pkgvers-tmp
126         $(move-if-change) $(objpfx)pkgvers-tmp $(objpfx)pkgvers.texi
127         touch $@
128
129 # Generate a file with the version number.
130 $(objpfx)version.texi: $(objpfx)stamp-version ;
131 $(objpfx)stamp-version: $(common-objpfx)config.make
132         echo "@set VERSION $(version)" > $(objpfx)version-tmp
133         $(move-if-change) $(objpfx)version-tmp $(objpfx)version.texi
134         touch $@
135
136 # Generate Texinfo files from the C source for the example programs.
137 $(objpfx)%.c.texi: examples/%.c
138         sed -e '1,/^\*\/$$/d'                           \
139             -e 's,[{}],@&,g'                            \
140             -e 's,/\*\(@.*\)\*/,\1,g'                   \
141             -e 's,/\*  *,/* @r{,g' -e 's,  *\*/,} */,'  \
142             -e 's/\(@[a-z][a-z]*\)@{\([^}]*\)@}/\1{\2}/g'\
143             $< | expand > $@.new
144         mv -f $@.new $@
145
146 $(objpfx)%.info: %.texinfo
147         LANGUAGE=C LC_ALL=C $(MAKEINFO) -P $(objpfx) --output=$@ $<
148
149 $(objpfx)%.dvi: %.texinfo
150         cd $(objpfx);$(TEXI2DVI) -I $(shell cd $(<D) && pwd) --output=$@ \
151                                 $(shell cd $(<D) && pwd)/$<
152
153 $(objpfx)%.pdf: %.texinfo
154         cd $(objpfx);$(TEXI2PDF) -I $(shell cd $(<D) && pwd) --output=$@ \
155                                 $(shell cd $(<D) && pwd)/$<
156
157
158 # Distribution.
159 minimal-dist = summary.awk texis.awk tsort.awk libc-texinfo.sh libc.texinfo \
160                libm-err.texi stamp-libm-err                                 \
161                $(filter-out summary.texi, $(nonexamples))                   \
162                $(patsubst %.c.texi,examples/%.c, $(examples))
163
164 indices = cp fn pg tp vr ky
165 generated-dirs := libc
166 generated = libc.dvi libc.pdf libc.tmp libc.info*                           \
167         stubs                                                               \
168         texis summary.texi stamp-summary *.c.texi                           \
169         $(foreach index,$(indices),libc.$(index) libc.$(index)s)            \
170         libc.log libc.aux libc.toc                                          \
171         $(libc-texi-generated)                                              \
172         stamp-libm-err stamp-version
173
174 include ../Rules
175
176 .PHONY: install subdir_install install-data
177 install-data subdir_install: install
178 ifneq ($(strip $(MAKEINFO)),:)
179 install: $(inst_infodir)/libc.info
180         @if $(SHELL) -c '$(INSTALL_INFO) --version' >/dev/null 2>&1; then \
181          test -f $(inst_infodir)/dir || $(INSTALL_DATA) dir $(inst_infodir);\
182          $(INSTALL_INFO) --info-dir=$(inst_infodir) $(inst_infodir)/libc.info;\
183         else : ; fi
184 endif
185 # Catchall implicit rule for other installation targets from the parent.
186 install-%: ;
187
188 $(inst_infodir)/libc.info: $(objpfx)libc.info
189         $(make-target-directory)
190         for file in $<*; do \
191           $(INSTALL_DATA) $$file $(@D)/; \
192         done
193
194 TAGS: $(minimal-dist)
195         $(ETAGS) -o $@ $^