summary refs log tree commit diff
path: root/manual/Makefile
blob: 3b4c7c934af642819d741e171c9eb232040c0c25 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
# Copyright (C) 1992-2017 Free Software Foundation, Inc.
# This file is part of the GNU C Library.

# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.

# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.

# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <http://www.gnu.org/licenses/>.

# Makefile for the GNU C Library manual.

subdir := manual

include ../Makeconfig

.PHONY: dvi pdf info html

dvi: $(objpfx)libc.dvi
pdf: $(objpfx)libc.pdf

TEXI2DVI = texi2dvi
TEXI2PDF = texi2dvi --pdf

ifneq ($(strip $(MAKEINFO)),:)
info: $(objpfx)libc.info
endif

chapters = $(addsuffix .texi, \
		       intro errno memory ctype string charset locale	\
		       message search pattern io stdio llio filesys	\
		       pipe socket terminal syslog math arith time	\
		       resource setjmp signal startup process ipc job	\
		       nss users sysinfo conf crypt debug threads	\
		       probes tunables)
appendices = lang.texi header.texi install.texi maint.texi platform.texi \
	     contrib.texi
licenses = freemanuals.texi lgpl-2.1.texi fdl-1.3.texi

-include $(objpfx)texis
$(objpfx)texis: texis.awk $(chapters) $(appendices) $(licenses)
	$(make-target-directory)
	$(AWK) -f $^ > $@.T
	mv -f $@.T $@

nonexamples = $(filter-out %.c.texi, $(texis))
examples = $(filter %.c.texi, $(texis))

# Generated files directly included from libc.texinfo.
libc-texi-generated = chapters.texi top-menu.texi dir-add.texi \
		      libm-err.texi version.texi pkgvers.texi

# Add path to build dir for generated files
texis-path := $(filter-out $(libc-texi-generated) summary.texi $(examples), \
				$(texis)) 				    \
	 $(addprefix $(objpfx),$(filter $(libc-texi-generated) summary.texi \
					$(examples), $(texis)))

# Kludge: implicit rule so Make knows the one command does it all.
chapters.% top-menu.%: libc-texinfo.sh $(texis-path) Makefile
	AWK=$(AWK) $(SHELL) $< $(objpfx) \
				'$(chapters)' \
			       '$(appendices) $(licenses)'


$(objpfx)libc.dvi $(objpfx)libc.pdf $(objpfx)libc.info: \
	$(addprefix $(objpfx),$(libc-texi-generated))
$(objpfx)libc.dvi $(objpfx)libc.pdf: texinfo.tex

html: $(objpfx)libc/index.html
$(objpfx)libc/index.html: $(addprefix $(objpfx),$(libc-texi-generated))
	$(MAKEINFO) -P $(objpfx) -o $(objpfx)libc --html libc.texinfo

# Generate the summary from the Texinfo source files for each chapter.
$(objpfx)summary.texi: $(objpfx)stamp-summary ;
$(objpfx)stamp-summary: summary.pl $(filter-out $(objpfx)summary.texi, \
					$(texis-path))
	$(SHELL) ./check-safety.sh $(filter-out $(objpfx)%, $(texis-path))
	LC_ALL=C $(PERL) $^ > $(objpfx)summary-tmp
	$(move-if-change) $(objpfx)summary-tmp $(objpfx)summary.texi
	touch $@

# Generate a file which can be added to the `dir' content to provide direct
# access to the documentation of the function, variables, and other
# definitions.
$(objpfx)dir-add.texi: xtract-typefun.awk $(texis-path)
	(echo "@dircategory GNU C library functions and macros";	\
	 echo "@direntry";						\
	 $(AWK) -f $^ | sort;						\
	 echo "@end direntry") > $@.new
	mv -f $@.new $@

# The table with the math errors is generated.
$(objpfx)libm-err.texi: $(objpfx)stamp-libm-err
$(objpfx)stamp-libm-err: libm-err-tab.pl $(wildcard $(foreach dir,$(sysdirs),\
						     $(dir)/libm-test-ulps))
	pwd=`pwd`; \
	$(PERL) $< $$pwd/.. > $(objpfx)libm-err-tmp
	$(move-if-change) $(objpfx)libm-err-tmp $(objpfx)libm-err.texi
	touch $@

# Package version and bug reporting URL.
$(objpfx)pkgvers.texi: $(objpfx)stamp-pkgvers ;
$(objpfx)stamp-pkgvers: $(common-objpfx)config.make
	echo "@ifclear PKGVERS" > $(objpfx)pkgvers-tmp
	echo "@set PKGVERS" >> $(objpfx)pkgvers-tmp
	echo "@set PKGVERSION $(PKGVERSION_TEXI)" >> $(objpfx)pkgvers-tmp
	if [ "$(PKGVERSION_TEXI)" = "(GNU libc) " ]; then \
	  echo "@set PKGVERSION_DEFAULT" >> $(objpfx)pkgvers-tmp; \
	fi
	echo "@set REPORT_BUGS_TO $(REPORT_BUGS_TEXI)" >> $(objpfx)pkgvers-tmp
	echo "@end ifclear" >> $(objpfx)pkgvers-tmp
	$(move-if-change) $(objpfx)pkgvers-tmp $(objpfx)pkgvers.texi
	touch $@

# Generate a file with the version number.
$(objpfx)version.texi: $(objpfx)stamp-version ;
$(objpfx)stamp-version: $(common-objpfx)config.make
	echo "@set VERSION $(version)" > $(objpfx)version-tmp
	$(move-if-change) $(objpfx)version-tmp $(objpfx)version.texi
	touch $@

# Generate Texinfo files from the C source for the example programs.
$(objpfx)%.c.texi: examples/%.c
	sed -e '1,/^\*\/$$/d'				\
	    -e 's,[{}],@&,g'				\
	    -e 's,/\*\(@.*\)\*/,\1,g'			\
	    -e 's,/\*  *,/* @r{,g' -e 's,  *\*/,} */,'	\
	    -e 's/\(@[a-z][a-z]*\)@{\([^}]*\)@}/\1{\2}/g'\
	    $< | expand > $@.new
	mv -f $@.new $@

$(objpfx)%.info: %.texinfo
	LANGUAGE=C LC_ALL=C $(MAKEINFO) -P $(objpfx) --output=$@ $<

$(objpfx)%.dvi: %.texinfo
	cd $(objpfx);$(TEXI2DVI) -I $(shell cd $(<D) && pwd) --output=$@ \
				$(shell cd $(<D) && pwd)/$<

$(objpfx)%.pdf: %.texinfo
	cd $(objpfx);$(TEXI2PDF) -I $(shell cd $(<D) && pwd) --output=$@ \
				$(shell cd $(<D) && pwd)/$<


# Distribution.
minimal-dist = summary.pl texis.awk tsort.awk libc-texinfo.sh libc.texinfo \
	       libm-err.texi stamp-libm-err check-safety.sh		    \
	       $(filter-out summary.texi, $(nonexamples))		    \
	       $(patsubst %.c.texi,examples/%.c, $(examples))

indices = cp fn pg tp vr ky
generated-dirs += libc
generated += libc.dvi libc.pdf libc.tmp libc.info*			      \
	     stubs							      \
	     texis summary.texi stamp-summary *.c.texi			      \
	     $(foreach index,$(indices),libc.$(index) libc.$(index)s)	      \
	     libc.log libc.aux libc.toc					      \
	     $(libc-texi-generated)					      \
	     stamp-libm-err stamp-version

include ../Rules

.PHONY: install subdir_install install-data
install-data subdir_install: install
# Generated files requiring perl: libm-err.texi, summary.texi
ifneq ($(PERL),no)
ifneq ($(strip $(MAKEINFO)),:)
install: $(inst_infodir)/libc.info
	@if $(SHELL) -c '$(INSTALL_INFO) --version' >/dev/null 2>&1; then \
	 test -f $(inst_infodir)/dir || $(INSTALL_DATA) dir $(inst_infodir);\
	 $(INSTALL_INFO) --info-dir=$(inst_infodir) $(inst_infodir)/libc.info;\
	else : ; fi
endif
endif
# Catchall implicit rule for other installation targets from the parent.
install-%: ;

$(inst_infodir)/libc.info: $(objpfx)libc.info
	$(make-target-directory)
	for file in $<*; do \
	  $(INSTALL_DATA) $$file $(@D)/; \
	done

TAGS: $(minimal-dist)
	$(ETAGS) -o $@ $^