configure.ac

   1 #                                               -*- Autoconf -*-
   2 # Process this file with autoconf to produce a configure script.
   3
   4 AC_PREREQ([2.63])
   5 AC_INIT([libisds], [0.10], [petr.pisar@atlas.cz])
   6 AM_INIT_AUTOMAKE
   7 AC_LANG([C])
   8 AC_CONFIG_SRCDIR([src/isds.c])
   9 AC_CONFIG_MACRO_DIR([m4])
  10 AC_CONFIG_HEADERS([config.h])
  11
  12 # Checks for programs.
  13 AC_PROG_CC
  14 AC_PROG_CPP
  15 #AC_PROG_MAKE_SET
  16 LT_INIT
  17 # For libtool < 1.9b (Debian lenny).
  18 # AC_PROG_LIBTOOL has been obsoleted by LT_INIT
  19 AC_PROG_LIBTOOL
  20
  21
  22 # Enable example clients
  23 AC_ARG_ENABLE(example, [AS_HELP_STRING([--enable-example],
  24                               [Build library usage examples])])
  25 AM_CONDITIONAL([BUILD_EXAMPLE], [test "$enable_example" = "yes"])
  26
  27 # Enable tests
  28 AC_ARG_ENABLE(test, [AS_HELP_STRING([--enable-test],
  29                               [Enable internal library tests])])
  30 AM_CONDITIONAL([BUILD_TEST], [test "$enable_test" = "yes"])
  31
  32 # Enable on-line test
  33 AC_ARG_ENABLE(online-test, [AS_HELP_STRING([--enable-online-test],
  34                               [Enable on-line internal library tests])])
  35 # Enable gettext
  36 AM_GNU_GETTEXT_VERSION([0.18.2])
  37 AM_GNU_GETTEXT([external])
  38
  39 # Enable debug
  40 AC_ARG_ENABLE(debug, [AS_HELP_STRING([--enable-debug],
  41                         [Compile in debugging mode])])
  42 AS_IF([test "$enable_debug" = "yes"],
  43       CFLAGS="${CFLAGS} -g"
  44       dnl AC_SUBST(DEBUG_CFLAGS)
  45       AC_DEFINE([ENABLE_DEBUG], [1],
  46                 [Define if you want include debugging code])
  47       )
  48
  49 AC_CHECK_DECL([_WIN32])
  50 AM_CONDITIONAL([WIN32], [test "$ac_cv_have_decl__WIN32" = "yes"])
  51
  52 # Checks for libraries.
  53 #TODO: Verify minimal version. libxml2-2.6.26 is just a guess.
  54 AM_PATH_XML2([2.6.26])
  55
  56 # Checks for CURL
  57 LIBCURL_CHECK_CONFIG()
  58 AS_IF([test -z "$LIBCURL"],
  59       AC_MSG_WARN([libcurl disabled or not found. Network features will be
  60                    disabled.]),
  61     [
  62     cppflags_orig="$CPPFLAGS"
  63     CPPFLAGS="${CPPFLAGS} ${LIBCURL_CPPFLAGS}"
  64     AC_CHECK_DECLS([CURLOPT_HEADEROPT], [],
  65         AC_MSG_WARN([Your libcurl does not support not sending custom HTTP
  66                      headers to proxies.
  67                      Consider upgrade to 7.37.0 version.]),
  68         [[#include <curl/curl.h>]])
  69     AC_CHECK_DECLS([CURLOPT_TIMEOUT_MS], [],
  70         AC_MSG_WARN([Your libcurl does not support subsecond timeout resolution.
  71                      Consider upgrade to 7.16.2 version.]),
  72         [[#include <curl/curl.h>]])
  73     AC_CHECK_DECLS([CURLOPT_USERNAME], [],
  74         AC_MSG_WARN([Your libcurl does not support separate username and password.
  75                      Your ISDS username could not contain colon.
  76                      Consider upgrade to 7.19.1 version.]),
  77         [[#include <curl/curl.h>]])
  78     AC_CHECK_DECLS([CURLOPT_SSLCERTTYPE], [],
  79         AC_MSG_WARN([Your libcurl does not support client certificate format
  80                      declaration (PEM vs. DER).
  81                      Consider upgrade to 7.9.3 version.]),
  82         [[#include <curl/curl.h>]])
  83     AC_CHECK_DECLS([CURLOPT_CRLFILE], [],
  84         AC_MSG_WARN([Your libcurl does not support certificate revocation list
  85                      declaration.
  86                      Consider upgrade to 7.19.0 version.]),
  87         [[#include <curl/curl.h>]])
  88     AC_CHECK_DECLS([CURLINFO_REDIRECT_URL], [],
  89         AC_MSG_ERROR([Your libcurl does not support getting redirected URL.
  90                      You must upgrade to 7.18.2 version.]),
  91         [[#include <curl/curl.h>]])
  92     AC_CHECK_DECLS([CURLOPT_KEYPASSWD], [], [], [[#include <curl/curl.h>]])
  93     AC_CHECK_DECLS([CURLOPT_SSLKEYPASSWD], [], [], [[#include <curl/curl.h>]])
  94     CPPFLAGS="$cppflags_orig"
  95     ])
  96 AM_CONDITIONAL([BUILD_CURL], [test -n "$LIBCURL"])
  97
  98 dnl libcurl < 7.28.0 suffers from re-authorization bug, unfortunally there is
  99 dnl no way how to re-check libcurl version. Thus we use explicit switch.
 100 AC_ARG_ENABLE(curlreauthorizationbug,
 101               [AS_HELP_STRING([--enable-curlreauthorizationbug],
 102                         [Compile in work-around for re-authorization bug in
 103                          curl < 7.28.0. Fixed by libcurl commit
 104                          ce8311c7e49eca93c136b58efa6763853541ec97.])])
 105 AS_IF([test "$enable_curlreauthorizationbug" = "yes"],
 106       AC_DEFINE([HAVE_CURL_REAUTHORIZATION_BUG], [1],
 107                 [Define if you want work-around re-authorization bug in libcurl])
 108       )
 109
 110 dnl On-line tests requires libcurl
 111 AM_CONDITIONAL([BUILD_ONLINE_TEST],
 112                [test -n "$LIBCURL" -a "$enable_test" = "yes" \
 113                     -a "$enable_online_test" = "yes"])
 114
 115 dnl Simulated tests require gnutls
 116 PKG_PROG_PKG_CONFIG()
 117 AS_IF([test "$enable_test" = "yes"], [
 118      PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.12.0])
 119      AC_SUBST(LIBGNUTLS_CFLAGS)
 120      AC_SUBST(LIBGNUTLS_LIBS)
 121      ])
 122
 123 AC_ARG_ENABLE([openssl-backend],
 124   AS_HELP_STRING([--enable-openssl-backend], [Enable OpenSSL as cryptographic back-end.]))
 125 AS_IF([test "x${enable_openssl_backend}" = "xyes"], [
 126   dnl Use OpenSSL cryptographic back-end.
 127
 128   AC_DEFINE([USE_OPENSSL_BACKEND], [1], [Define if you want to use OpenSSL as cryptographic back-end.])
 129   AC_SEARCH_LIBS([CMS_get0_content], [crypto], [], [AC_MSG_ERROR([OpenSSL librypto not found.])])
 130 ], [
 131   dnl Use default cryptographic back-end.
 132
 133   #TODO: Determine minimal version
 134   AM_PATH_LIBGCRYPT([1:1.4.0])
 135
 136   # GPGME is compiled with large file support by default. We need to follow not
 137   # to break ABI.
 138   AC_SYS_LARGEFILE
 139   #TODO: Determine minimal version
 140   AM_PATH_GPGME()
 141 ])
 142 AM_CONDITIONAL([USE_OPENSSL_BACKEND], [test "x${enable_openssl_backend}" = "xyes"])
 143
 144 # Check for expat
 145 AC_CHECK_LIB([expat], [XML_ExpatVersionInfo],
 146              EXPAT_LIBS=-lexpat
 147              AC_SUBST(EXPAT_LIBS))
 148 # Verify minimal version. See src/phys.c: init_expat()
 149 expat_min_major="2"
 150 expat_min_minor="0"
 151 expat_min_micro="0"
 152 expat_min_version="${expat_min_major}.${expat_min_minor}.${expat_min_micro}"
 153 AC_MSG_CHECKING([for expat library version >= ${expat_min_version}])
 154 AC_COMPILE_IFELSE(
 155         [AC_LANG_PROGRAM(
 156             [[#define MIN_MAJOR ${expat_min_major}
 157             #define MIN_MINOR ${expat_min_minor}
 158             #define MIN_MICRO ${expat_min_micro}
 159             #include <expat.h>]],
 160             [[#if (XML_MAJOR_VERSION < MIN_MAJOR) || \
 161     (XML_MAJOR_VERSION == MIN_MAJOR && XML_MINOR_VERSION < MIN_MINOR) || \
 162     (XML_MAJOR_VERSION == MIN_MAJOR && XML_MINOR_VERSION == MIN_MINOR && \
 163             XML_MICRO_VERSION < MIN_MICRO)
 164             #error "Expat library is too old"
 165             #endif]])],
 166         AC_MSG_RESULT([yes]),
 167         AC_MSG_FAILURE([Upgrade your expat to ${expat_min_version}])
 168 )
 169
 170 # Do not consider compiler warnings as errors
 171 # This harms libxml configure test
 172 AC_ARG_ENABLE(fatalwarnings, [AS_HELP_STRING([--disable-fatalwarnings],
 173                         [Do not consider compiler warnings as errors])])
 174 AS_IF([test "$enable_fatalwarnings" = "no"], , CFLAGS="${CFLAGS} -Werror")
 175
 176
 177 # Checks for header files.
 178 AC_CHECK_HEADERS([fcntl.h locale.h stdint.h stdlib.h string.h unistd.h])
 179
 180 # Checks for typedefs, structures, and compiler characteristics.
 181 AC_TYPE_SIZE_T
 182 #AC_TYPE_SSIZE_T
 183 AC_TYPE_UINT8_T
 184
 185 # Checks for library functions.
 186 AC_FUNC_MALLOC
 187 AC_FUNC_MKTIME
 188 AC_FUNC_MMAP
 189 AC_CHECK_FUNCS([localtime_r memset munmap setlocale strdup strerror])
 190
 191 # Default CFLAGS
 192 CFLAGS="${CFLAGS} -std=c99 -Wall"
 193
 194 dnl Check for strdup() feature test macros
 195 dnl strdup() is provided since SUSv2, thus _XOPEN_SOURCE >= 500 has to be
 196 dnl defined with -std=c99. However Mac OS X requires 600. Reported as
 197 dnl <rdar://problem/19363342>.
 198 AC_MSG_CHECKING([Checking for _XOPEN_SOURCE level needed for strdup()])
 199 AC_COMPILE_IFELSE(
 200     [AC_LANG_PROGRAM([[#define _XOPEN_SOURCE 500
 201        #include <string.h>]], [[(void)strdup("");]])],
 202     [xopen_source_level_for_strdup=500],
 203     [AC_COMPILE_IFELSE(
 204         [AC_LANG_PROGRAM([[#define _XOPEN_SOURCE 600
 205             #include <string.h>]], [[(void)strdup("");]])],
 206         [xopen_source_level_for_strdup=600],
 207         [AC_MSG_FAILURE([Cannot determine _XOPEN_SOURCE level for strdup()])]
 208     )])
 209 AC_MSG_RESULT([$xopen_source_level_for_strdup])
 210 AC_DEFINE_UNQUOTED([XOPEN_SOURCE_LEVEL_FOR_STRDUP],
 211                    [$xopen_source_level_for_strdup],
 212                    [_XOPEN_SOURCE level needed for strdup()])
 213
 214
 215 AC_CONFIG_FILES([Makefile src/Makefile po/Makefile.in client/Makefile
 216                  test/Makefile test/offline/Makefile test/simline/Makefile
 217                  test/online/Makefile libisds.pc])
 218
 219 #AC_CONFIG_SUBDIRS([src])
 220 AC_OUTPUT