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1 # This file is part of Autoconf. -*- Autoconf -*-
2
3 # Copyright (C) 2004 Oren Ben-Kiki
4 # This file is distributed under the same terms as the Autoconf macro files.
5
6 # Generate automatic documentation using Doxygen. Works in concert with the
7 # aminclude.m4 file and a compatible doxygen configuration file. Defines the
8 # following public macros:
9 #
10 # DX_???_FEATURE(ON|OFF) - control the default setting of a Doxygen feature.
11 # Supported features are 'DOXYGEN' itself, 'DOT' for generating graphics,
12 # 'HTML' for plain HTML, 'CHM' for compressed HTML help (for MS users), 'CHI'
13 # for generating a seperate .chi file by the .chm file, and 'MAN', 'RTF',
14 # 'XML', 'PDF' and 'PS' for the appropriate output formats. The environment
15 # variable DOXYGEN_PAPER_SIZE may be specified to override the default 'a4wide'
16 # paper size.
17 #
18 # By default, HTML, PDF and PS documentation is generated as this seems to be
19 # the most popular and portable combination. MAN pages created by Doxygen are
20 # usually problematic, though by picking an appropriate subset and doing some
21 # massaging they might be better than nothing. CHM and RTF are specific for MS
22 # (note that you can't generate both HTML and CHM at the same time). The XML is
23 # rather useless unless you apply specialized post-processing to it.
24 #
25 # The macro mainly controls the default state of the feature. The use can
26 # override the default by specifying --enable or --disable. The macros ensure
27 # that contradictory flags are not given (e.g., --enable-doxygen-html and
28 # --enable-doxygen-chm, --enable-doxygen-anything with --disable-doxygen, etc.)
29 # Finally, each feature will be automatically disabled (with a warning) if the
30 # required programs are missing.
31 #
32 # Once all the feature defaults have been specified, call DX_INIT_DOXYGEN with
33 # the following parameters: a one-word name for the project for use as a
34 # filename base etc., an optional configuration file name (the default is
35 # 'Doxyfile', the same as Doxygen's default), and an optional output directory
36 # name (the default is 'doxygen-doc').
37
38 ## ----------##
39 ## Defaults. ##
40 ## ----------##
41
42 DX_ENV=""
43 AC_DEFUN([DX_FEATURE_doc], ON)
44 AC_DEFUN([DX_FEATURE_dot], ON)
45 AC_DEFUN([DX_FEATURE_man], OFF)
46 AC_DEFUN([DX_FEATURE_html], ON)
47 AC_DEFUN([DX_FEATURE_chm], OFF)
48 AC_DEFUN([DX_FEATURE_chi], OFF)
49 AC_DEFUN([DX_FEATURE_rtf], OFF)
50 AC_DEFUN([DX_FEATURE_xml], OFF)
51 AC_DEFUN([DX_FEATURE_pdf], ON)
52 AC_DEFUN([DX_FEATURE_ps], ON)
53
54 ## --------------- ##
55 ## Private macros. ##
56 ## --------------- ##
57
58 # DX_ENV_APPEND(VARIABLE, VALUE)
59 # ------------------------------
60 # Append VARIABLE="VALUE" to DX_ENV for invoking doxygen.
61 AC_DEFUN([DX_ENV_APPEND], [AC_SUBST([DX_ENV], ["$DX_ENV $1='$2'"])])
62
63 # DX_DIRNAME_EXPR
64 # ---------------
65 # Expand into a shell expression prints the directory part of a path.
66 AC_DEFUN([DX_DIRNAME_EXPR],
67 [[expr ".$1" : '\(\.\)[^/]*$' \| "x$1" : 'x\(.*\)/[^/]*$']])
68
69 # DX_IF_FEATURE(FEATURE, IF-ON, IF-OFF)
70 # -------------------------------------
71 # Expands according to the M4 (static) status of the feature.
72 AC_DEFUN([DX_IF_FEATURE], [ifelse(DX_FEATURE_$1, ON, [$2], [$3])])
73
74 # DX_REQUIRE_PROG(VARIABLE, PROGRAM)
75 # ----------------------------------
76 # Require the specified program to be found for the DX_CURRENT_FEATURE to work.
77 AC_DEFUN([DX_REQUIRE_PROG], [
78 AC_PATH_TOOL([$1], [$2])
79 if test "$DX_FLAG_$[DX_CURRENT_FEATURE$$1]" = 1; then
80 AC_MSG_WARN([$2 not found - will not DX_CURRENT_DESCRIPTION])
81 AC_SUBST([DX_FLAG_]DX_CURRENT_FEATURE, 0)
82 fi
83 ])
84
85 # DX_TEST_FEATURE(FEATURE)
86 # ------------------------
87 # Expand to a shell expression testing whether the feature is active.
88 AC_DEFUN([DX_TEST_FEATURE], [test "$DX_FLAG_$1" = 1])
89
90 # DX_CHECK_DEPEND(REQUIRED_FEATURE, REQUIRED_STATE)
91 # -------------------------------------------------
92 # Verify that a required features has the right state before trying to turn on
93 # the DX_CURRENT_FEATURE.
94 AC_DEFUN([DX_CHECK_DEPEND], [
95 test "$DX_FLAG_$1" = "$2" \
96 || AC_MSG_ERROR([doxygen-DX_CURRENT_FEATURE ifelse([$2], 1,
97 requires, contradicts) doxygen-DX_CURRENT_FEATURE])
98 ])
99
100 # DX_CLEAR_DEPEND(FEATURE, REQUIRED_FEATURE, REQUIRED_STATE)
101 # ----------------------------------------------------------
102 # Turn off the DX_CURRENT_FEATURE if the required feature is off.
103 AC_DEFUN([DX_CLEAR_DEPEND], [
104 test "$DX_FLAG_$1" = "$2" || AC_SUBST([DX_FLAG_]DX_CURRENT_FEATURE, 0)
105 ])
106
107 # DX_FEATURE_ARG(FEATURE, DESCRIPTION,
108 # CHECK_DEPEND, CLEAR_DEPEND,
109 # REQUIRE, DO-IF-ON, DO-IF-OFF)
110 # --------------------------------------------
111 # Parse the command-line option controlling a feature. CHECK_DEPEND is called
112 # if the user explicitly turns the feature on (and invokes DX_CHECK_DEPEND),
113 # otherwise CLEAR_DEPEND is called to turn off the default state if a required
114 # feature is disabled (using DX_CLEAR_DEPEND). REQUIRE performs additional
115 # requirement tests (DX_REQUIRE_PROG). Finally, an automake flag is set and
116 # DO-IF-ON or DO-IF-OFF are called according to the final state of the feature.
117 AC_DEFUN([DX_ARG_ABLE], [
118 AC_DEFUN([DX_CURRENT_FEATURE], [$1])
119 AC_DEFUN([DX_CURRENT_DESCRIPTION], [$2])
120 AC_ARG_ENABLE(doxygen-$1,
121 [AS_HELP_STRING(DX_IF_FEATURE([$1], [--disable-doxygen-$1],
122 [--enable-doxygen-$1]),
123 DX_IF_FEATURE([$1], [don't $2], [$2]))],
124 [
125 case "$enableval" in
126 #(
127 y|Y|yes|Yes|YES)
128 AC_SUBST([DX_FLAG_$1], 1)
129 $3
130 ;; #(
131 n|N|no|No|NO)
132 AC_SUBST([DX_FLAG_$1], 0)
133 ;; #(
134 *)
135 AC_MSG_ERROR([invalid value '$enableval' given to doxygen-$1])
136 ;;
137 esac
138 ], [
139 AC_SUBST([DX_FLAG_$1], [DX_IF_FEATURE([$1], 1, 0)])
140 $4
141 ])
142 if DX_TEST_FEATURE([$1]); then
143 $5
144 :
145 fi
146 if DX_TEST_FEATURE([$1]); then
147 AM_CONDITIONAL(DX_COND_$1, :)
148 $6
149 :
150 else
151 AM_CONDITIONAL(DX_COND_$1, false)
152 $7
153 :
154 fi
155 ])
156
157 ## -------------- ##
158 ## Public macros. ##
159 ## -------------- ##
160
161 # DX_XXX_FEATURE(DEFAULT_STATE)
162 # -----------------------------
163 AC_DEFUN([DX_DOXYGEN_FEATURE], [AC_DEFUN([DX_FEATURE_doc], [$1])])
164 AC_DEFUN([DX_MAN_FEATURE], [AC_DEFUN([DX_FEATURE_man], [$1])])
165 AC_DEFUN([DX_HTML_FEATURE], [AC_DEFUN([DX_FEATURE_html], [$1])])
166 AC_DEFUN([DX_CHM_FEATURE], [AC_DEFUN([DX_FEATURE_chm], [$1])])
167 AC_DEFUN([DX_CHI_FEATURE], [AC_DEFUN([DX_FEATURE_chi], [$1])])
168 AC_DEFUN([DX_RTF_FEATURE], [AC_DEFUN([DX_FEATURE_rtf], [$1])])
169 AC_DEFUN([DX_XML_FEATURE], [AC_DEFUN([DX_FEATURE_xml], [$1])])
170 AC_DEFUN([DX_XML_FEATURE], [AC_DEFUN([DX_FEATURE_xml], [$1])])
171 AC_DEFUN([DX_PDF_FEATURE], [AC_DEFUN([DX_FEATURE_pdf], [$1])])
172 AC_DEFUN([DX_PS_FEATURE], [AC_DEFUN([DX_FEATURE_ps], [$1])])
173
174 # DX_INIT_DOXYGEN(PROJECT, [CONFIG-FILE], [OUTPUT-DOC-DIR])
175 # ---------------------------------------------------------
176 # PROJECT also serves as the base name for the documentation files.
177 # The default CONFIG-FILE is "Doxyfile" and OUTPUT-DOC-DIR is "doxygen-doc".
178 AC_DEFUN([DX_INIT_DOXYGEN], [
179
180 # Files:
181 AC_SUBST([DX_PROJECT], [$1])
182 AC_SUBST([DX_CONFIG], [ifelse([$2], [], Doxyfile, [$2])])
183 AC_SUBST([DX_DOCDIR], [ifelse([$3], [], doxygen-doc, [$3])])
184
185 # Environment variables used inside doxygen.cfg:
186 DX_ENV_APPEND(SRCDIR, $srcdir)
187 DX_ENV_APPEND(PROJECT, $DX_PROJECT)
188 DX_ENV_APPEND(DOCDIR, $DX_DOCDIR)
189 DX_ENV_APPEND(VERSION, $PACKAGE_VERSION)
190
191 # Doxygen itself:
192 DX_ARG_ABLE(doc, [generate any doxygen documentation],
193 [],
194 [],
195 [DX_REQUIRE_PROG([DX_DOXYGEN], doxygen)
196 DX_REQUIRE_PROG([DX_PERL], perl)],
197 [DX_ENV_APPEND(PERL_PATH, $DX_PERL)])
198
199 # Dot for graphics:
200 DX_ARG_ABLE(dot, [generate graphics for doxygen documentation],
201 [DX_CHECK_DEPEND(doc, 1)],
202 [DX_CLEAR_DEPEND(doc, 1)],
203 [DX_REQUIRE_PROG([DX_DOT], dot)],
204 [DX_ENV_APPEND(HAVE_DOT, YES)
205 DX_ENV_APPEND(DOT_PATH, [`DX_DIRNAME_EXPR($DX_DOT)`])],
206 [DX_ENV_APPEND(HAVE_DOT, NO)])
207
208 # Man pages generation:
209 DX_ARG_ABLE(man, [generate doxygen manual pages],
210 [DX_CHECK_DEPEND(doc, 1)],
211 [DX_CLEAR_DEPEND(doc, 1)],
212 [],
213 [DX_ENV_APPEND(GENERATE_MAN, YES)],
214 [DX_ENV_APPEND(GENERATE_MAN, NO)])
215
216 # RTF file generation:
217 DX_ARG_ABLE(rtf, [generate doxygen RTF documentation],
218 [DX_CHECK_DEPEND(doc, 1)],
219 [DX_CLEAR_DEPEND(doc, 1)],
220 [],
221 [DX_ENV_APPEND(GENERATE_RTF, YES)],
222 [DX_ENV_APPEND(GENERATE_RTF, NO)])
223
224 # XML file generation:
225 DX_ARG_ABLE(xml, [generate doxygen XML documentation],
226 [DX_CHECK_DEPEND(doc, 1)],
227 [DX_CLEAR_DEPEND(doc, 1)],
228 [],
229 [DX_ENV_APPEND(GENERATE_XML, YES)],
230 [DX_ENV_APPEND(GENERATE_XML, NO)])
231
232 # (Compressed) HTML help generation:
233 DX_ARG_ABLE(chm, [generate doxygen compressed HTML help documentation],
234 [DX_CHECK_DEPEND(doc, 1)],
235 [DX_CLEAR_DEPEND(doc, 1)],
236 [DX_REQUIRE_PROG([DX_HHC], hhc)],
237 [DX_ENV_APPEND(HHC_PATH, $DX_HHC)
238 DX_ENV_APPEND(GENERATE_HTML, YES)
239 DX_ENV_APPEND(GENERATE_HTMLHELP, YES)],
240 [DX_ENV_APPEND(GENERATE_HTMLHELP, NO)])
241
242 # Seperate CHI file generation.
243 DX_ARG_ABLE(chi, [generate doxygen seperate compressed HTML help index file],
244 [DX_CHECK_DEPEND(chm, 1)],
245 [DX_CLEAR_DEPEND(chm, 1)],
246 [],
247 [DX_ENV_APPEND(GENERATE_CHI, YES)],
248 [DX_ENV_APPEND(GENERATE_CHI, NO)])
249
250 # Plain HTML pages generation:
251 DX_ARG_ABLE(html, [generate doxygen plain HTML documentation],
252 [DX_CHECK_DEPEND(doc, 1) DX_CHECK_DEPEND(chm, 0)],
253 [DX_CLEAR_DEPEND(doc, 1) DX_CLEAR_DEPEND(chm, 0)],
254 [],
255 [DX_ENV_APPEND(GENERATE_HTML, YES)],
256 [DX_TEST_FEATURE(chm) || DX_ENV_APPEND(GENERATE_HTML, NO)])
257
258 # PostScript file generation:
259 DX_ARG_ABLE(ps, [generate doxygen PostScript documentation],
260 [DX_CHECK_DEPEND(doc, 1)],
261 [DX_CLEAR_DEPEND(doc, 1)],
262 [DX_REQUIRE_PROG([DX_LATEX], latex)
263 DX_REQUIRE_PROG([DX_MAKEINDEX], makeindex)
264 DX_REQUIRE_PROG([DX_DVIPS], dvips)
265 DX_REQUIRE_PROG([DX_EGREP], egrep)])
266
267 # PDF file generation:
268 DX_ARG_ABLE(pdf, [generate doxygen PDF documentation],
269 [DX_CHECK_DEPEND(doc, 1)],
270 [DX_CLEAR_DEPEND(doc, 1)],
271 [DX_REQUIRE_PROG([DX_PDFLATEX], pdflatex)
272 DX_REQUIRE_PROG([DX_MAKEINDEX], makeindex)
273 DX_REQUIRE_PROG([DX_EGREP], egrep)])
274
275 # LaTeX generation for PS and/or PDF:
276 if DX_TEST_FEATURE(ps) || DX_TEST_FEATURE(pdf); then
277 AM_CONDITIONAL(DX_COND_latex, :)
278 DX_ENV_APPEND(GENERATE_LATEX, YES)
279 else
280 AM_CONDITIONAL(DX_COND_latex, false)
281 DX_ENV_APPEND(GENERATE_LATEX, NO)
282 fi
283
284 # Paper size for PS and/or PDF:
285 AC_ARG_VAR(DOXYGEN_PAPER_SIZE,
286 [a4wide (default), a4, letter, legal or executive])
287 case "$DOXYGEN_PAPER_SIZE" in
288 #(
289 "")
290 AC_SUBST(DOXYGEN_PAPER_SIZE, "")
291 ;; #(
292 a4wide|a4|letter|legal|executive)
293 DX_ENV_APPEND(PAPER_SIZE, $DOXYGEN_PAPER_SIZE)
294 ;; #(
295 *)
296 AC_MSG_ERROR([unknown DOXYGEN_PAPER_SIZE='$DOXYGEN_PAPER_SIZE'])
297 ;;
298 esac
299
300 #For debugging:
301 #echo DX_FLAG_doc=$DX_FLAG_doc
302 #echo DX_FLAG_dot=$DX_FLAG_dot
303 #echo DX_FLAG_man=$DX_FLAG_man
304 #echo DX_FLAG_html=$DX_FLAG_html
305 #echo DX_FLAG_chm=$DX_FLAG_chm
306 #echo DX_FLAG_chi=$DX_FLAG_chi
307 #echo DX_FLAG_rtf=$DX_FLAG_rtf
308 #echo DX_FLAG_xml=$DX_FLAG_xml
309 #echo DX_FLAG_pdf=$DX_FLAG_pdf
310 #echo DX_FLAG_ps=$DX_FLAG_ps
311 #echo DX_ENV=$DX_ENV
312 ])
313
314 # CHECK_CPPUNIT
315 # ------------------
316 # Check for cppunit presence.
317 AC_DEFUN([CHECK_CPPUNIT], [
318 ifdef(
319 [AM_PATH_CPPUNIT],
320 [AM_PATH_CPPUNIT($1)],
321 [ifdef(
322 [PKG_CHECK_MODULES],
323 [PKG_CHECK_MODULES([CPPUNIT], [cppunit >= $1])],
324 [m4_fatal([Missing AM_PATH_CPPUNIT or PKG_CHECK_MODULES m4 macro.])]
325 )]
326 )
327 ])