summaryrefslogtreecommitdiff
path: root/configure.ac
blob: f5959aa9aa59d3a235d88761290a80f0a18ac546 (plain)
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
# Process this file with autoconf to produce a configure script.
# Portions of this file were adapted from GIMP.

AC_PREREQ(2.54)

m4_define([tinyproxy_major_version], [1])
m4_define([tinyproxy_minor_version], [7])
m4_define([tinyproxy_micro_version], [1])
m4_define([tinyproxy_real_version],
          [tinyproxy_major_version.tinyproxy_minor_version.tinyproxy_micro_version])
m4_define([tinyproxy_version], [tinyproxy_real_version])

# For overriding the version string. Comment out if not needed.
# m4_define([tinyproxy_version], [0.7.0])

m4_define([tinyproxy_unstable],
          m4_if(m4_eval(tinyproxy_minor_version % 2), [1], [yes], [no]))
m4_define([tinyproxy_stable],
          m4_if(m4_eval(tinyproxy_minor_version % 2), [0], [yes], [no]))

AC_INIT([Tinyproxy], [tinyproxy_version],
	[https://www.banu.com/bugzilla/enter_bug.cgi?product=Tinyproxy],
	[tinyproxy])

AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE
AM_CONFIG_HEADER(config.h)
AC_CONFIG_MACRO_DIR([m4macros])
AM_MAINTAINER_MODE

m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([no])])

TINYPROXY_MAJOR_VERSION=tinyproxy_major_version
TINYPROXY_MINOR_VERSION=tinyproxy_minor_version
TINYPROXY_MICRO_VERSION=tinyproxy_micro_version
TINYPROXY_REAL_VERSION=tinyproxy_real_version
TINYPROXY_VERSION=tinyproxy_version
TINYPROXY_UNSTABLE=tinyproxy_unstable
AC_SUBST(TINYPROXY_MAJOR_VERSION)
AC_SUBST(TINYPROXY_MINOR_VERSION)
AC_SUBST(TINYPROXY_MICRO_VERSION)
AC_SUBST(TINYPROXY_REAL_VERSION)
AC_SUBST(TINYPROXY_VERSION)
AC_SUBST(TINYPROXY_UNSTABLE)

dnl Temporarily defined here until we get tinyproxy-version.h
AC_DEFINE(TINYPROXY_VERSION, "tinyproxy_version", [Tinyproxy version number])

# The symbol TINYPROXY_UNSTABLE is defined above for substitution in
# Makefiles and conditionally defined here as a preprocessor symbol
# and automake conditional.
if test "x$TINYPROXY_UNSTABLE" = "xyes"; then
  AC_DEFINE(TINYPROXY_UNSTABLE, 1,
            [Define to 1 if this is an unstable version of Tinyproxy])
fi
AM_CONDITIONAL(TINYPROXY_UNSTABLE, test "x$TINYPROXY_UNSTABLE" = "xyes")


dnl Check if we're compiling on a weird platform :)
AC_USE_SYSTEM_EXTENSIONS


dnl Set the domain name for find the statistics of tinyproxy
AH_TEMPLATE([TINYPROXY_STATHOST],
	[This controls remote proxy stats display.])
AC_ARG_WITH(stathost,
            [AC_HELP_STRING([--with-stathost=HOST], [Default status host])],
            [AC_DEFINE_UNQUOTED(TINYPROXY_STATHOST, "$withval")],
	    [AC_DEFINE_UNQUOTED(TINYPROXY_STATHOST, "tinyproxy.stats")])

dnl Add compiler-specific optimization flags
TP_ARG_ENABLE(debug,
              [Enable debugging support code and methods (default is NO)],
              no)

dnl Check to see if the XTinyproxy header is to be included
AH_TEMPLATE([XTINYPROXY_ENABLE],
	    [Define if you want to have the peer's IP address included in a XTinyproxy header sent to the server.])
TP_ARG_ENABLE(xtinyproxy,
              [Include the X-Tinyproxy header (default is YES)],
              yes)

if test x"$xtinyproxy_enabled" = x"yes"; then
    AC_DEFINE(XTINYPROXY_ENABLE)
fi

dnl Include filtering for domain/URLs
AH_TEMPLATE([FILTER_ENABLE],
	    [Defined if you would like filtering code included.])
TP_ARG_ENABLE(filter,
              [Enable filtering of domains/URLS (default is YES)],
              yes)

if test x"$filter_enabled" = x"yes"; then
    ADDITIONAL_OBJECTS="$ADDITIONAL_OBJECTS filter.o"
    AC_DEFINE(FILTER_ENABLE)
fi

dnl Include support for upstream proxies?
AH_TEMPLATE([UPSTREAM_SUPPORT],
            [Include support for connecting to an upstream proxy.])
TP_ARG_ENABLE(upstream,
              [Enable upstream proxying (default is YES)],
              yes)
if test x"$upstream_enabled" = x"yes"; then
    AC_DEFINE(UPSTREAM_SUPPORT)
fi

dnl Include support for reverse proxy?
AH_TEMPLATE([REVERSE_SUPPORT],
            [Include support for reverse proxy.])
TP_ARG_ENABLE(reverse,
              [Enable reverse proxying (default is NO)],
              no)
if test x"$reverse_enabled" = x"yes"; then
    ADDITIONAL_OBJECTS="$ADDITIONAL_OBJECTS reverse-proxy.o"
    AC_DEFINE(REVERSE_SUPPORT)
fi

dnl Include the transparent proxy support
AH_TEMPLATE([TRANSPARENT_PROXY],
	    [Include support for using tinyproxy as a transparent proxy.])
TP_ARG_ENABLE(transparent,
              [Enable transparent proxying code (default is NO)],
              no)
if test x"$transparent_enabled" = x"yes"; then
   ADDITIONAL_OBJECTS="$ADDITIONAL_OBJECTS transparent-proxy.o"
   AC_DEFINE(TRANSPARENT_PROXY)
fi

# This is required to build test programs below
AC_PROG_CC

dnl
dnl Checks for libraries
dnl
AC_CHECK_LIB(socket, socket, , [AC_CHECK_LIB(socket, htonl)])

dnl Some systems (OpenServer 5) dislike -lsocket -lnsl, so we try to
dnl avoid -lnsl checks, if we already have the functions which are
dnl usually in libnsl

unset ac_cv_func_yp_get_default_domain
AC_CHECK_FUNC(yp_get_default_domain,
              tinyproxy_no_nsl_checks=yes,
              tinyproxy_no_nsl_checks=no)
unset ac_cv_func_yp_get_default_domain

if test x"$tinyproxy_no_nsl_checks" != x"yes"; then
    AC_CHECK_LIB(nsl, gethostname, , [AC_CHECK_LIB(nsl, gethostbyaddr)])
fi

AC_CHECK_LIB(resolv, inet_aton)

dnl
dnl Checks for headers
dnl
AC_HEADER_STDC
AC_HEADER_TIME
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS([sys/ioctl.h sys/mman.h sys/resource.h \
		  sys/select.h sys/socket.h sys/time.h sys/uio.h \
		  sys/un.h arpa/inet.h netinet/in.h \
		  assert.h ctype.h errno.h fcntl.h grp.h io.h libintl.h \
		  netdb.h pwd.h regex.h signal.h stdarg.h stddef.h stdio.h \
		  sysexits.h syslog.h time.h wchar.h wctype.h \
		  values.h])

dnl OpenBSD machines don't like having malloc included (even if it's present)
dnl as they expect you to use stdlib.h
case "$target" in
    *-openbsd*) ;;
    *)         AC_CHECK_HEADER(malloc.h);;
esac


dnl Checks for types
AC_TYPE_SIZE_T
AC_TYPE_PID_T
AC_UNP_CHECK_TYPE(uint8_t, unsigned char)
AC_UNP_CHECK_TYPE(int16_t, short)
AC_UNP_CHECK_TYPE(uint16_t, unsigned short)
AC_UNP_CHECK_TYPE(int32_t, int)
AC_UNP_CHECK_TYPE(uint32_t, unsigned int)
AC_UNP_CHECK_TYPE(ssize_t, int)
AC_UNP_CHECK_TYPE(socklen_t, unsigned int)
AC_UNP_CHECK_TYPE(in_addr_t, uint32_t)


dnl Checks for libary functions
AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
AC_FUNC_MALLOC
AC_FUNC_REALLOC

AC_CHECK_FUNCS([gethostname inet_ntoa memchr memset select socket strcasecmp \
                strchr strdup strerror strncasecmp strpbrk strstr strtol])
AC_CHECK_FUNCS([isascii memcpy setrlimit ftruncate regcomp regexec])
AC_CHECK_FUNCS([strlcpy strlcat])


dnl Enable extra warnings
DESIRED_FLAGS="-fdiagnostics-show-option -Wall -Wextra -Wno-unused-parameter -Wmissing-prototypes -Wstrict-prototypes -Wmissing-declarations -Wfloat-equal -Wundef -Wformat=2 -Wlogical-op -Wmissing-include-dirs -Wformat-nonliteral -Wold-style-definition -Wpointer-arith -Waggregate-return -Winit-self -Wpacked --std=c89 -ansi -pedantic -Wc++-compat -Wno-long-long -Wno-overlength-strings -Wdeclaration-after-statement -Wredundant-decls -Wmissing-noreturn -Wshadow -Wendif-labels -Wcast-qual -Wcast-align -Wwrite-strings -Wp,-D_FORTIFY_SOURCE=2 -fno-common"

if test -n "${MAINTAINER_MODE_FALSE}"; then
   DESIRED_FLAGS="-Werror $DESIRED_FLAGS"
fi

for flag in $DESIRED_FLAGS; do
  AS_COMPILER_FLAG([$flag], [CFLAGS="$CFLAGS $flag"])
done

dnl Disable debugging if it's not specified
if test x"$debug_enabled" != x"yes" ; then
    CFLAGS="-DNDEBUG $CFLAGS"
fi

LDFLAGS="-Wl,-z,defs"

dnl
dnl Make sure we can actually handle the "--with-*" and "--enable-*" stuff.
dnl

dnl Handle the REGEX library
if test x"$ac_cv_func_regexec" != x"yes"; then
    AC_MSG_ERROR([Could not locate the regexec() function])
else
    AC_MSG_CHECKING([whether the system's regex library is broken])
    AC_CACHE_VAL(tinyproxy_cv_regex_broken,
                 [AC_TRY_RUN([
#if HAVE_SYS_TYPES_H
#  include <sys/types.h>
#endif
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
#if HAVE_REGEX_H
# include <regex.h>
#endif
#if HAVE_STDLIB_H
# include <stdlib.h>
#endif
int main(void)
{
	regex_t blah;
	if (regcomp(&blah, "foo.*bar", REG_NOSUB) != 0)
		exit(1);
	if (regexec(&blah, "foobar", 0, NULL, 0) != 0)
		exit(1);
	else
		exit(0);

	return 0;
}
                            ],
                            tinyproxy_cv_regex_broken=no,
                            tinyproxy_cv_regex_broken=yes,
                            tinyproxy_cv_regex_broken=yes)])

    AC_MSG_RESULT([$tinyproxy_cv_regex_broken])

    if test x"$tinyproxy_cv_regex_broken" = x"yes" ; then
        AC_MSG_ERROR([Your system's regexec() function is broken.])
    fi
fi

dnl
dnl Substitute the variables into the various Makefiles
dnl
AC_SUBST(CFLAGS)
AC_SUBST(LDFLAGS)
AC_SUBST(CPPFLAGS)
AC_SUBST(LIBS)
AC_SUBST(ADDITIONAL_OBJECTS)

# Check for asciidoc
AC_PATH_PROG(A2X, a2x, no)
AM_CONDITIONAL(HAVE_A2X, test "x$A2X" != "xno")

AC_CONFIG_FILES([
Makefile
src/Makefile
data/Makefile
data/templates/Makefile
etc/Makefile
docs/Makefile
docs/man5/Makefile
docs/man5/tinyproxy.conf.txt
docs/man8/Makefile
docs/man8/tinyproxy.txt
m4macros/Makefile
packaging/Makefile
packaging/fedora/tinyproxy.spec
packaging/fedora/Makefile
tests/Makefile
tests/scripts/Makefile
])

AC_OUTPUT