File: configure.lib

package info (click to toggle)
rbldnsd 0.998b~pre1-1
  • links: PTS, VCS
  • area: main
  • in suites: buster, stretch
  • size: 744 kB
  • ctags: 1,132
  • sloc: ansic: 8,212; python: 549; sh: 502; makefile: 249; awk: 33
file content (279 lines) | stat: -rw-r--r-- 5,512 bytes parent folder | download | duplicates (2)
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
# configure.lib
# a library of shell routines for simple autoconf system
#

set -e
ac_substitutes=
rm -f conftest* config.log
exec 5>config.log
cat <<EOF >&5
This file contains any messages produced by compilers etc while
running configure, to aid debugging if configure script makes a mistake.

EOF

case `echo "a\c"` in
  *c*) ac_en=-n ac_ec= ;;
  *)   ac_en= ac_ec='\c' ;;
esac

##### Messages
ac_msg() {
  echo $ac_en "$*... $ac_ec"
  echo ">>> $*" >&5
}
ac_checking() {
  echo $ac_en "checking $*... $ac_ec"
  echo ">>> checking $*" >&5
}
ac_result() {
  echo "$1"
  echo "=== $1" >&5
}
ac_fatal() {
  echo "configure: fatal: $*" >&2
  echo "=== FATAL: $*" >&5
  exit 1
}
ac_warning() {
  echo "configure: warning: $*" >&2
  echo "=== WARNING: $*" >&5
}

# ac_run command...
# captures output in conftest.out
ac_run() {
  # apparently UnixWare (for one) /bin/sh optimizes the following "if"
  # "away", by checking if there's such a command BEFORE redirecting
  # output.  So error message (like "gcc: command not found") goes
  # to stderr instead of to conftest.out, and `cat conftest.out' below
  # fails.
  if "$@" >conftest.out 2>&1; then
    return 0
  else
    echo "==== Command invocation failed. Command line was:" >&5
    echo "$*" >&5
    echo "==== compiler input was:" >&5
    cat conftest.c >&5
    echo "==== output was:" >&5
    cat conftest.out >&5
    echo "====" >&5
    return 1
  fi
}

# ac_verbose "feature" "ok" "bad" command...
ac_verbose() {
  ac_checking "$1"
  ok=$2 bad=$3; shift 3
  if "$@"; then
    ac_result $ok
    return 0
  else
    ac_result $bad
    return 1
  fi
}

# common case for ac_verbose: yes/no result
ac_yesno() {
  ac_checking "$1"
  shift
  if "$@"; then
    ac_result yes
    return 0
  else
    ac_result no
    return 1
  fi
}

ac_subst() {
  ac_substitutes="$ac_substitutes $*"
}

ac_define() {
  if [ -f confdefs.h ]; then
    echo "#define $1	${2:-1}" >>confdefs.h
  else
    CDEFS="$CDEFS -D$1=${2:-1}"
  fi
}

##### Compiling, linking

# run a compiler
ac_run_compiler() {
  rm -f conftest*; cat >conftest.c
  ac_run $CC $CFLAGS conftest.c "$@"
}

ac_compile() {
  ac_run_compiler -c
}
ac_compile_v() {
  what="$1"; shift
  ac_yesno "$what" ac_compile "$@"
}

ac_link() {
  ac_run_compiler -o conftest "$@" $LIBS
}

ac_link_v() {
  what="$1"; shift
  ac_yesno "$what" ac_link "$@"
}

ac_cpp() {
  ac_run_compiler -E "$@"
}
ac_cpp_v() {
  what="$1"; shift
  ac_yesno "$what" ac_cpp "$@"
}

### check for C compiler.  Set $CC, $CFLAGS etc
ac_prog_c_compiler() {
  ac_checking "for C compiler"
  rm -f conftest*
  echo 'int main(int argc, char **argv) { return 0; }' >conftest.c

  if [ -n "$CC" ]; then
    if ac_run $CC -o conftest conftest.c && ac_run ./conftest; then
      ac_result "\$CC ($CC)"
    else
      ac_result no
      ac_fatal "\$CC ($CC) is not a working compiler"
    fi
  else
    for cc in gcc cc ; do
      if ac_run $cc -o conftest conftest.c && ac_run ./conftest; then
        ac_result "$cc"
        CC=$cc
        break
      fi
    done
    if [ -z "$CC" ]; then
      ac_result no
      ac_fatal "no working C compiler found in \$PATH. please set \$CC variable"
    fi
  fi
  if [ -z "$CFLAGS" ]; then
    if ac_grep_cpp_v "whether C compiler ($CC) is GNU CC" yEs <<EOF
#ifdef __GNUC__
  yEs;
#endif
EOF
    then
      CFLAGS="-Wall -W -O2 -pipe"
    else
      CFLAGS=-O
    fi
  fi
  cc="$CC $CFLAGS"
  ccld="$cc"
  if [ -n "$LDFLAGS" ]; then ccld="$ccld $LDFLAGS"; fi
  if [ -n "$LIBS" ]; then ccld="$ccld $LIBS"; fi
  if ac_yesno "whether the C compiler ($ccld)
           can produce executables" \
     ac_compile_run <<EOF
int main() { return 0; }
EOF
  then :
  else
    ac_fatal "no working C compiler found"
  fi
  LD='$(CC)'
  [ -n "$AR" ] || AR=ar
  [ -n "$ARFLAGS" ] || ARFLAGS=rv
  [ -n "$AWK" ] || AWK=awk
  ac_substitutes="$ac_substitutes CC CFLAGS LD LDFLAGS LIBS AR ARFLAGS AWK"
}


ac_prog_ranlib() {
  ac_checking "for ranlib"
  if [ -n "$RANLIB" ]; then
    ac_result "\$RANLIB ($RANLIB)"
  else
    ifs="$IFS"
    IFS=:
    for dir in $PATH; do
      [ -n "$dir" ] || dir=.
      if [ -f $dir/ranlib ]; then
        RANLIB=ranlib
        break
      fi
    done
    IFS="$ifs"
    if [ -z "$RANLIB" ]; then ac_result no; RANLIB=:
    else ac_result "$RANLIB"
    fi
  fi
  ac_substitutes="$ac_substitutes RANLIB"
}

ac_header_check_v() {
  ac_cpp_v "for $1" <<EOF
#include <$1>
EOF
}

ac_library_find_v() {
  ac_checking "for libraries needed for $1"
  shift
  fond=
  rm -f conftest*; cat >conftest.c
  for lib in "$@"; do
    if ac_run $CC $CFLAGS $LDFLAGS conftest.c -o conftest $LIBS $lib; then
      found=y
      break
    fi
  done
  if [ ! "$found" ]; then
    ac_result "not found"
    return 1
  fi
  if [ -z "$lib" ]; then
    ac_result "ok (none needed)"
  else
    ac_result "ok ($lib)"
    LIBS="$LIBS $lib"
  fi
}

ac_compile_run() {
  ac_link "$@" && ac_run ./conftest
}

ac_compile_run_v() {
  what="$1"; shift
  ac_yesno "$what" ac_compile_run "$@"
}

ac_grep_cpp() {
  pattern="$1"; shift
  ac_cpp "$@" && grep "$pattern" conftest.out >/dev/null
}
ac_grep_cpp_v() {
  ac_yesno "$1" ac_grep_cpp "$2"
}

ac_output() {
  for var in $ac_substitutes; do
    eval echo "\"s|@$var@|\$$var|\""
  done >conftest.sed
  for file in "$@"; do
    ac_msg "creating $file"
    if [ -f $file.in ]; then
      sed -f conftest.sed $file.in > $file.tmp
      mv -f $file.tmp $file
      ac_result ok
    else
      ac_result failed
      ac_fatal "$file.in not found"
    fi
  done
  rm -f conftest*
}