configure

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1 #!/bin/sh
2
3
4 # some utility functions
5 isplatform()
6 {
7 for p in $PLATFORM
8 do
9 if [ "$p" = "$1" ]; then
10 return 0
11 fi
12 done
13 return 1
14 }
15 notisplatform()
16 {
17 for p in $PLATFORM
18 do
19 if [ "$p" = "$1" ]; then
20 return 1
21 fi
22 done
23 return 0
24 }
25 istoolchain()
26 {
27 for t in $TOOLCHAIN
28 do
29 if [ "$t" = "$1" ]; then
30 return 0
31 fi
32 done
33 return 1
34 }
35 notistoolchain()
36 {
37 for t in $TOOLCHAIN
38 do
39 if [ "$t" = "$1" ]; then
40 return 1
41 fi
42 done
43 return 0
44 }
45
46 # clean abort
47 abort_configure()
48 {
49 rm -Rf "$TEMP_DIR"
50 exit 1
51 }
52
53 # Test for availability of pkg-config
54 PKG_CONFIG=`command -v pkg-config`
55 : ${PKG_CONFIG:="false"}
56
57 # Simple uname based platform detection
58 # $PLATFORM is used for platform dependent dependency selection
59 OS=`uname -s`
60 OS_VERSION=`uname -r`
61 printf "detect platform... "
62 if [ "$OS" = "SunOS" ]; then
63 PLATFORM="solaris sunos unix svr4"
64 elif [ "$OS" = "Linux" ]; then
65 PLATFORM="linux unix"
66 elif [ "$OS" = "FreeBSD" ]; then
67 PLATFORM="freebsd bsd unix"
68 elif [ "$OS" = "OpenBSD" ]; then
69 PLATFORM="openbsd bsd unix"
70 elif [ "$OS" = "NetBSD" ]; then
71 PLATFORM="netbsd bsd unix"
72 elif [ "$OS" = "Darwin" ]; then
73 PLATFORM="macos osx bsd unix"
74 elif echo "$OS" | grep -i "MINGW" > /dev/null; then
75 PLATFORM="windows mingw"
76 fi
77 : ${PLATFORM:="unix"}
78
79 PLATFORM_NAME=`echo "$PLATFORM" | cut -f1 -d' ' -`
80 echo "$PLATFORM_NAME"
81
82
83 # help text
84 printhelp()
85 {
86 echo "Usage: $0 [OPTIONS]..."
87 cat << __EOF__
88 Installation directories:
89 --prefix=PREFIX path prefix for architecture-independent files
90 [$prefix]
91 --exec-prefix=EPREFIX path prefix for architecture-dependent files
92 [PREFIX]
93
94 --bindir=DIR user executables [EPREFIX/bin]
95 --sbindir=DIR system admin executables [EPREFIX/sbin]
96 --libexecdir=DIR program executables [EPREFIX/libexec]
97 --sysconfdir=DIR system configuration files [PREFIX/etc]
98 --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com]
99 --localstatedir=DIR modifiable single-machine data [PREFIX/var]
100 --runstatedir=DIR run-time variable data [LOCALSTATEDIR/run]
101 --libdir=DIR object code libraries [EPREFIX/lib]
102 --includedir=DIR C header files [PREFIX/include]
103 --datarootdir=DIR read-only arch.-independent data root [PREFIX/share]
104 --datadir=DIR read-only architecture-independent data [DATAROOTDIR]
105 --infodir=DIR info documentation [DATAROOTDIR/info]
106 --mandir=DIR man documentation [DATAROOTDIR/man]
107 --localedir=DIR locale-dependent data [DATAROOTDIR/locale]
108
109 Build Types:
110 --debug add extra compile flags for debug builds
111 --release add extra compile flags for release builds
112
113 __EOF__
114 }
115
116 # create temporary directory
117 TEMP_DIR=".tmp-`uname -n`"
118 rm -Rf "$TEMP_DIR"
119 if mkdir -p "$TEMP_DIR"; then
120 :
121 else
122 echo "Cannot create tmp dir $TEMP_DIR"
123 echo "Abort"
124 exit 1
125 fi
126 touch "$TEMP_DIR/options"
127 touch "$TEMP_DIR/features"
128
129 # define standard variables
130 # also define standard prefix (this is where we will search for config.site)
131 prefix=/usr
132 exec_prefix=
133 bindir=
134 sbindir=
135 libdir=
136 libexecdir=
137 datarootdir=
138 datadir=
139 sysconfdir=
140 sharedstatedir=
141 localstatedir=
142 runstatedir=
143 includedir=
144 infodir=
145 localedir=
146 mandir=
147
148 # custom variables
149
150 # features
151
152 #
153 # parse arguments
154 #
155 BUILD_TYPE="default"
156 for ARG in "$@"
157 do
158 case "$ARG" in
159 "--prefix="*) prefix=${ARG#--prefix=} ;;
160 "--exec-prefix="*) exec_prefix=${ARG#--exec-prefix=} ;;
161 "--bindir="*) bindir=${ARG#----bindir=} ;;
162 "--sbindir="*) sbindir=${ARG#--sbindir=} ;;
163 "--libdir="*) libdir=${ARG#--libdir=} ;;
164 "--libexecdir="*) libexecdir=${ARG#--libexecdir=} ;;
165 "--datarootdir="*) datarootdir=${ARG#--datarootdir=} ;;
166 "--datadir="*) datadir=${ARG#--datadir=} ;;
167 "--sysconfdir="*) sysconfdir=${ARG#--sysconfdir=} ;;
168 "--sharedstatedir="*) sharedstatedir=${ARG#--sharedstatedir=} ;;
169 "--localstatedir="*) localstatedir=${ARG#--localstatedir=} ;;
170 "--includedir="*) includedir=${ARG#--includedir=} ;;
171 "--infodir="*) infodir=${ARG#--infodir=} ;;
172 "--mandir"*) mandir=${ARG#--mandir} ;;
173 "--localedir"*) localedir=${ARG#--localedir} ;;
174 "--help"*) printhelp; abort_configure ;;
175 "--debug") BUILD_TYPE="debug" ;;
176 "--release") BUILD_TYPE="release" ;;
177 "-"*) echo "unknown option: $ARG"; abort_configure ;;
178 esac
179 done
180
181
182
183 # set defaults for dir variables
184 : ${exec_prefix:="$prefix"}
185 : ${bindir:='${exec_prefix}/bin'}
186 : ${sbindir:='${exec_prefix}/sbin'}
187 : ${libdir:='${exec_prefix}/lib'}
188 : ${libexecdir:='${exec_prefix}/libexec'}
189 : ${datarootdir:='${prefix}/share'}
190 : ${datadir:='${datarootdir}'}
191 : ${sysconfdir:='${prefix}/etc'}
192 : ${sharedstatedir:='${prefix}/com'}
193 : ${localstatedir:='${prefix}/var'}
194 : ${runstatedir:='${localstatedir}/run'}
195 : ${includedir:='${prefix}/include'}
196 : ${infodir:='${datarootdir}/info'}
197 : ${mandir:='${datarootdir}/man'}
198 : ${localedir:='${datarootdir}/locale'}
199
200 # check if a config.site exists and load it
201 if [ -n "$CONFIG_SITE" ]; then
202 # CONFIG_SITE may contain space separated file names
203 for cs in $CONFIG_SITE; do
204 printf "loading defaults from $cs... "
205 . "$cs"
206 echo ok
207 done
208 elif [ -f "$prefix/share/config.site" ]; then
209 printf "loading site defaults... "
210 . "$prefix/share/config.site"
211 echo ok
212 elif [ -f "$prefix/etc/config.site" ]; then
213 printf "loading site defaults... "
214 . "$prefix/etc/config.site"
215 echo ok
216 fi
217
218
219 # generate vars.mk
220 cat > "$TEMP_DIR/vars.mk" << __EOF__
221 prefix=$prefix
222 exec_prefix=$exec_prefix
223 bindir=$bindir
224 sbindir=$sbindir
225 libdir=$libdir
226 libexecdir=$libexecdir
227 datarootdir=$datarootdir
228 datadir=$datadir
229 sysconfdir=$sysconfdir
230 sharedstatedir=$sharedstatedir
231 localstatedir=$localstatedir
232 runstatedir=$runstatedir
233 includedir=$includedir
234 infodir=$infodir
235 mandir=$mandir
236 localedir=$localedir
237 __EOF__
238
239 # toolchain detection utilities
240 . make/toolchain.sh
241
242 #
243 # DEPENDENCIES
244 #
245
246 # check languages
247 lang_c=
248 lang_cpp=
249 if detect_cpp_compiler ; then
250 lang_cpp=1
251 fi
252
253 # create buffer for make variables required by dependencies
254 echo > "$TEMP_DIR/make.mk"
255
256 test_pkg_config()
257 {
258 if "$PKG_CONFIG" --exists "$1" ; then :
259 else return 1 ; fi
260 if [ -z "$2" ] || "$PKG_CONFIG" --atleast-version="$2" "$1" ; then :
261 else return 1 ; fi
262 if [ -z "$3" ] || "$PKG_CONFIG" --exact-version="$3" "$1" ; then :
263 else return 1 ; fi
264 if [ -z "$4" ] || "$PKG_CONFIG" --max-version="$4" "$1" ; then :
265 else return 1 ; fi
266 return 0
267 }
268
269 print_check_msg()
270 {
271 if [ -z "$1" ]; then
272 shift
273 printf "$@"
274 fi
275 }
276
277
278 # start collecting dependency information
279 echo > "$TEMP_DIR/flags.mk"
280
281 DEPENDENCIES_FAILED=
282 ERROR=0
283 # unnamed dependencies
284 TEMP_CFLAGS="$CFLAGS"
285 TEMP_CXXFLAGS="$CXXFLAGS"
286 TEMP_LDFLAGS="$LDFLAGS"
287 while true
288 do
289 while true
290 do
291 if [ -z "$lang_cpp" ] ; then
292 ERROR=1
293 break
294 fi
295
296 break
297 done
298 break
299 done
300
301 # add general dependency flags to flags.mk
302 echo "# general flags" >> "$TEMP_DIR/flags.mk"
303 if [ -n "${TEMP_CFLAGS}" ] && [ -n "$lang_c" ]; then
304 echo "CFLAGS += $TEMP_CFLAGS" >> "$TEMP_DIR/flags.mk"
305 fi
306 if [ -n "${TEMP_CXXFLAGS}" ] && [ -n "$lang_cpp" ]; then
307 echo "CXXFLAGS += $TEMP_CXXFLAGS" >> "$TEMP_DIR/flags.mk"
308 fi
309 if [ -n "${TEMP_LDFLAGS}" ]; then
310 echo "LDFLAGS += $TEMP_LDFLAGS" >> "$TEMP_DIR/flags.mk"
311 fi
312
313 #
314 # OPTION VALUES
315 #
316
317 #
318 # TARGETS
319 #
320
321 echo >> "$TEMP_DIR/flags.mk"
322 echo "configuring target: default"
323 echo "# flags for target default" >> "$TEMP_DIR/flags.mk"
324 TEMP_CFLAGS=
325 TEMP_CXXFLAGS=
326 TEMP_LDFLAGS=
327
328
329 # Features
330
331
332 if [ -n "${TEMP_CFLAGS}" ] && [ -n "$lang_c" ]; then
333 echo "CFLAGS += $TEMP_CFLAGS" >> "$TEMP_DIR/flags.mk"
334 fi
335 if [ -n "${TEMP_CXXFLAGS}" ] && [ -n "$lang_cpp" ]; then
336 echo "CXXFLAGS += $TEMP_CXXFLAGS" >> "$TEMP_DIR/flags.mk"
337 fi
338 if [ "$BUILD_TYPE" = "debug" ]; then
339 if [ -n "$lang_c" ]; then
340 echo 'CFLAGS += ${DEBUG_CC_FLAGS}' >> "$TEMP_DIR/flags.mk"
341 fi
342 if [ -n "$lang_cpp" ]; then
343 echo 'CXXFLAGS += ${DEBUG_CXX_FLAGS}' >> "$TEMP_DIR/flags.mk"
344 fi
345 fi
346 if [ "$BUILD_TYPE" = "release" ]; then
347 if [ -n "$lang_c" ]; then
348 echo 'CFLAGS += ${RELEASE_CC_FLAGS}' >> "$TEMP_DIR/flags.mk"
349 fi
350 if [ -n "$lang_cpp" ]; then
351 echo 'CXXFLAGS += ${RELEASE_CXX_FLAGS}' >> "$TEMP_DIR/flags.mk"
352 fi
353 fi
354 if [ -n "${TEMP_LDFLAGS}" ]; then
355 echo "LDFLAGS += $TEMP_LDFLAGS" >> "$TEMP_DIR/flags.mk"
356 fi
357
358
359 # final result
360 if [ $ERROR -ne 0 ]; then
361 echo
362 echo "Error: Unresolved dependencies"
363 echo "$DEPENDENCIES_FAILED"
364 abort_configure
365 fi
366
367 echo "configure finished"
368 echo
369 echo "Build Config:"
370 echo " PREFIX: $prefix"
371 echo " TOOLCHAIN: $TOOLCHAIN_NAME"
372 echo
373
374 # generate the config.mk file
375 cat > "$TEMP_DIR/config.mk" << __EOF__
376 #
377 # config.mk generated by configure
378 #
379
380 __EOF__
381 write_toolchain_defaults "$TEMP_DIR/toolchain.mk"
382 cat "$TEMP_DIR/vars.mk" "$TEMP_DIR/toolchain.mk" "$TEMP_DIR/flags.mk" "$TEMP_DIR/make.mk" > config.mk
383 rm -Rf "$TEMP_DIR"

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