This repository has been archived by the owner on Nov 10, 2021. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 9
/
configure.ac
458 lines (367 loc) · 13.2 KB
/
configure.ac
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
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
#
# Copyright 2015-2018 Nest Labs Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
# Description:
# This file is the GNU autoconf input source file for the Nest
# Labs Memory-mapped I/O package.
# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
#
# Declare autoconf version requirements
#
AC_PREREQ([2.68])
#
# Initialize autoconf for the package
#
AC_INIT([nlio],
m4_esyscmd([third_party/nlbuild-autotools/repo/scripts/mkversion -b `cat .default-version` .]),
[nlio-users@google.com],
[nlio],
[https://github.com/nestlabs/nlio/])
# Tell the rest of the build system the absolute path where the
# nlbuild-autotools repository is rooted at.
AC_SUBST(nlbuild_autotools_stem,[third_party/nlbuild-autotools/repo])
AC_SUBST(abs_top_nlbuild_autotools_dir,[\${abs_top_srcdir}/\${nlbuild_autotools_stem}])
#
# NLIO interface current, revision, and age versions.
#
# NOTE: At present, NLIO makes NO ABI compatibility
# commitments. Consequently, these simply serve as documentation
# for how the interfaces have evolved.
#
# Maintainters: Please manage these fields as follows:
#
# Interfaces removed: CURRENT++, AGE = 0, REVISION = 0
# Interfaces added: CURRENT++, AGE++, REVISION = 0
# No interfaces changed: REVISION++
#
#
AC_SUBST(LIBNLIO_VERSION_CURRENT, [1])
AC_SUBST(LIBNLIO_VERSION_AGE, [0])
AC_SUBST(LIBNLIO_VERSION_REVISION, [0])
AC_SUBST(LIBNLIO_VERSION_INFO, [${LIBNLIO_VERSION_CURRENT}:${LIBNLIO_VERSION_REVISION}:${LIBNLIO_VERSION_AGE}])
#
# Check the sanity of the source directory by checking for the
# presence of a key watch file
#
AC_CONFIG_SRCDIR([include/nlio.h])
#
# Tell autoconf where to find auxilliary build tools (e.g. config.guess,
# install-sh, missing, etc.)
#
AC_CONFIG_AUX_DIR([third_party/nlbuild-autotools/repo/third_party/autoconf])
#
# Tell autoconf where to find auxilliary M4 macros
#
AC_CONFIG_MACRO_DIRS([third_party/nlbuild-autotools/repo/third_party/autoconf/m4 third_party/nlbuild-autotools/repo/autoconf/m4])
#
# Tell autoconf what file the package is using to aggregate C preprocessor
# defines.
#
AC_CONFIG_HEADERS([include/nlio-config.h])
#
# Figure out what the canonical build, host and target tuples are.
#
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
#
# Mac OS X / Darwin ends up putting some versioning cruft on the end of its
# tuple that we don't care about in this script. Create "clean" variables
# devoid of it.
#
NL_FILTERED_CANONICAL_BUILD
NL_FILTERED_CANONICAL_HOST
NL_FILTERED_CANONICAL_TARGET
#
# Configure automake with the desired options, indicating that this is not
# a native GNU package, that we want "silent" build rules, and that we want
# objects built in the same subdirectory as their source rather than collapsed
# together at the top-level directory.
#
# Disable silent build rules by either passing --disable-silent-rules to
# configure or passing V=1 to make
#
AM_INIT_AUTOMAKE([1.14 foreign silent-rules subdir-objects tar-pax])
#
# Silent build rules requires at least automake-1.11. Employ
# techniques for not breaking earlier versions of automake.
#
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AM_SILENT_RULES([yes])
#
# Enable maintainer mode to prevent the package from constantly trying
# to rebuild configure, Makefile.in, etc. Rebuilding such files rarely,
# if ever, needs to be done "in the field".
#
# Use the included 'bootstrap' script instead when necessary.
#
AM_MAINTAINER_MODE
#
# Checks for build host programs
#
# If we are cross-compiling and we are on an embedded target that
# doesn't support independent, standalone executables, then all
# compiler tests that attempt to create an executable will fail. In
# such circumstances, set AC_NO_EXECUTABLES (see http://sourceware.org/
# ml/newlib/2006/msg00353.html).
AC_MSG_CHECKING([whether to disable executable checking])
if test "$cross_compiling" = yes; then
AC_NO_EXECUTABLES
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
# Passing -Werror to GCC-based or -compatible compilers breaks some
# autoconf tests (see
# http://lists.gnu.org/archive/html/autoconf-patches/2008-09/msg00014.html).
#
# If -Werror has been passed transform it into -Wno-error. We'll
# transform it back later with NL_RESTORE_WERROR.
NL_SAVE_WERROR
# Check for compilers.
#
# These should be checked BEFORE we check for and, implicitly,
# initialize libtool such that libtool knows what languages it has to
# work with.
AC_PROG_CPP
AC_PROG_CPP_WERROR
AC_PROG_CC
AC_PROG_CC_C_O
AC_PROG_CXXCPP
AC_PROG_CXX
AC_PROG_CXX_C_O
# Check for other compiler toolchain tools.
AC_CHECK_TOOL(AR, ar)
AC_CHECK_TOOL(RANLIB, ranlib)
AC_CHECK_TOOL(OBJCOPY, objcopy)
AC_CHECK_TOOL(STRIP, strip)
# Check for other host tools.
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PATH_PROG(CMP, cmp)
AC_PATH_PROG(PERL, perl)
#
# Checks for specific compiler characteristics
#
#
# Common compiler flags we would like to have.
#
# -Wall CC, CXX
#
PROSPECTIVE_CFLAGS="-Wall"
PROSPECTIVE_CXXFLAGS=""
AX_CHECK_COMPILER_OPTIONS([C], ${PROSPECTIVE_CFLAGS})
AX_CHECK_COMPILER_OPTIONS([C++], ${PROSPECTIVE_CFLAGS} ${PROSPECTIVE_CXXFLAGS})
# Check for and initialize libtool
LT_INIT
#
# Debug instances
#
AC_MSG_NOTICE([checking whether to build debug instances])
# Debug
NL_ENABLE_DEBUG([no])
AM_CONDITIONAL([NLIO_BUILD_DEBUG], [test "${nl_cv_build_debug}" = "yes"])
#
# Code coverage and compiler optimization
#
# Coverage
NL_ENABLE_COVERAGE([no])
AM_CONDITIONAL([NLIO_BUILD_COVERAGE], [test "${nl_cv_build_coverage}" = "yes"])
NL_ENABLE_COVERAGE_REPORTS([auto])
AM_CONDITIONAL([NLIO_BUILD_COVERAGE_REPORTS], [test "${nl_cv_build_coverage_reports}" = "yes"])
# Optimization
NL_ENABLE_OPTIMIZATION([yes])
AM_CONDITIONAL([NLIO_BUILD_OPTIMIZED], [test "${nl_cv_build_optimized}" = "yes"])
#
# Tests
#
AC_MSG_NOTICE([checking whether to build tests])
# Tests
NL_ENABLE_TESTS([yes])
AM_CONDITIONAL([NLIO_BUILD_TESTS], [test "${nl_cv_build_tests}" = "yes"])
#
# Documentation
#
# Determine whether or not documentation (via Doxygen) should be built
# or not, with 'auto' as the default and establish a default support
# value for GraphViz 'dot' support.
NL_ENABLE_DOCS([auto],[NO])
AM_CONDITIONAL(NLIO_BUILD_DOCS, [test "${nl_cv_build_docs}" = "yes"])
#
# Checks for libraries and packages.
#
# At minimum, the following packages are optional, depending on
# configuration:
#
# * nlunit-test
#
AC_MSG_NOTICE([checking required package dependencies])
# Check if the build host has pkg-config
AC_PATH_PROG([PKG_CONFIG],[pkg-config])
#
# Nlunit-test
#
if test "${nl_cv_build_tests}" = "yes"; then
NL_WITH_PACKAGE(
[Nlunit-test],
[NLUNIT_TEST],
[nlunit_test],
[-lnlunit-test],
[
# At this point, the internal Nlunit-test package will be neither
# configured nor built, so the normal checks we undertake for an
# external package cannot be run here. Simply set the appropriate
# variables and trust all will be well.
NLUNIT_TEST_CPPFLAGS="-I\${abs_top_srcdir}/third_party/nlunit-test/repo/src"
NLUNIT_TEST_LDFLAGS="-L${ac_pwd}/third_party/nlunit-test/repo/src"
NLUNIT_TEST_LIBS="-lnlunit-test"
],
[
# Check for required nlunit-test headers.
AC_CHECK_HEADERS([nlunit-test.h],
[],
[
AC_MSG_ERROR(The nlunit-test header "$ac_header" is required but cannot be found.)
])
])
fi
# Depending on whether nlunit-test has been configured for an internal
# location, its directory stem within this package needs to be set
# accordingly. In addition, if the location is internal, then we need
# to attempt to pull it down using the bootstrap makefile.
if test "${nl_with_nlunit_test}" = "internal"; then
maybe_nlunit_test_dirstem="nlunit-test/repo"
nlunit_test_dirstem="third_party/${maybe_nlunit_test_dirstem}"
AC_MSG_NOTICE([attempting to create internal ${nlunit_test_dirstem}])
${MAKE-make} --no-print-directory -C ${srcdir} -f Makefile-bootstrap ${nlunit_test_dirstem}
if test $? -ne 0; then
AC_MSG_ERROR([failed to create ${nlunit_test_dirstem}. Please check your network connection or the correctness of 'repos.conf'])
fi
else
maybe_nlunit_test_dirstem=""
fi
AC_SUBST(NLUNIT_TEST_SUBDIRS, [${maybe_nlunit_test_dirstem}])
AM_CONDITIONAL([NLIO_WITH_NLUNIT_TEST_INTERNAL], [test "${nl_with_nlunit_test}" = "internal"])
#
# Check for headers
#
AC_HEADER_STDBOOL
AC_HEADER_STDC
AC_CHECK_HEADERS([stdint.h])
AC_CHECK_HEADERS([string.h])
#
# Figure out whether the target uses endian.h or machine/endian.h.
#
AC_CHECK_HEADERS([endian.h])
AC_CHECK_HEADERS([machine/endian.h])
#
# Check for types and structures
#
AC_TYPE_INT8_T
AC_TYPE_INT16_T
AC_TYPE_INT32_T
AC_TYPE_INT64_T
AC_TYPE_UINT8_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
#
# Checks for library functions
#
if test "${ac_no_link}" != "yes"; then
AC_CHECK_FUNCS([memcpy])
fi
# Add any nlunit-test CPPFLAGS, LDFLAGS, and LIBS
CPPFLAGS="${CPPFLAGS} ${NLUNIT_TEST_CPPFLAGS}"
LDFLAGS="${LDFLAGS} ${NLUNIT_TEST_LDFLAGS}"
LIBS="${LIBS} ${NLUNIT_TEST_LIBS}"
# Add any code coverage CPPFLAGS and LIBS
CPPFLAGS="${CPPFLAGS} ${NL_COVERAGE_CPPFLAGS}"
LDFLAGS="${LDFLAGS} ${NL_COVERAGE_LDFLAGS}"
LIBS="${LIBS} ${NL_COVERAGE_LIBS}"
# At this point, we can restore the compiler flags to whatever the
# user passed in, now that we're clear of any -Werror issues by
# transforming -Wno-error back to -Werror.
NL_RESTORE_WERROR
# Configure any autotools-based subdirectories
if test "${nl_with_nlunit_test}" = "internal"; then
AC_CONFIG_SUBDIRS([third_party/nlunit-test/repo])
AC_SUBST(NLUNIT_TEST_FOREIGN_SUBDIR_DEPENDENCY,["${ac_pwd}/third_party/nlunit-test/repo/src"])
fi
#
# Identify the various makefiles and auto-generated files for the package
#
AC_CONFIG_FILES([
Makefile
third_party/Makefile
include/Makefile
tests/Makefile
doc/Makefile
])
#
# Generate the auto-generated files for the package
#
AC_OUTPUT
#
# Summarize the package configuration
#
AC_MSG_NOTICE([
Configuration Summary
---------------------
Package : ${PACKAGE_NAME}
Version : ${PACKAGE_VERSION}
Interface : ${LIBNLIO_VERSION_INFO//:/.}
Build system : ${build}
Host system : ${host}
Target system : ${target}
Target architecture : ${target_cpu}
Target OS : ${target_os}
Cross compiling : ${cross_compiling}
Build shared libraries : ${enable_shared}
Build static libraries : ${enable_static}
Build debug libraries : ${nl_cv_build_debug}
Build optimized libraries : ${nl_cv_build_optimized}
Build coverage libraries : ${nl_cv_build_coverage}
Build coverage reports : ${nl_cv_build_coverage_reports}
Lcov : ${LCOV:--}
Genhtml : ${GENHTML:--}
Build tests : ${nl_cv_build_tests}
Prefix : ${prefix}
Shadow directory program : ${LNDIR}
Documentation support : ${nl_cv_build_docs}
Doxygen : ${DOXYGEN:--}
GraphViz dot : ${DOT:--}
PERL : ${PERL:--}
Nlunit-test source : ${nl_with_nlunit_test:--}
Nlunit-test compile flags : ${NLUNIT_TEST_CPPFLAGS:--}
Nlunit-test link flags : ${NLUNIT_TEST_LDFLAGS:--}
Nlunit-test link libraries : ${NLUNIT_TEST_LIBS:--}
Nlunit-test foreign subdirectory dependency : ${NLUNIT_TEST_FOREIGN_SUBDIR_DEPENDENCY:--}
C Preprocessor : ${CPP}
C Compiler : ${CC}
C++ Preprocessor : ${CXXCPP}
C++ Compiler : ${CXX}
Archiver : ${AR}
Archive Indexer : ${RANLIB}
Symbol Stripper : ${STRIP}
Object Copier : ${OBJCOPY}
C Preprocessor flags : ${CPPFLAGS:--}
C Compile flags : ${CFLAGS:--}
C++ Compile flags : ${CXXFLAGS:--}
Link flags : ${LDFLAGS:--}
Link libraries : ${LIBS}
])