dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+dnl In addition, as a special exception, the Free Software Foundation
+dnl gives permission to link the code of its release of Wget with the
+dnl OpenSSL project's "OpenSSL" library (or with modified versions of it
+dnl that use the same license as the "OpenSSL" library), and distribute
+dnl the linked executables. You must obey the GNU General Public License
+dnl in all respects for all of the code used other than "OpenSSL". If you
+dnl modify this file, you may extend this exception to your version of the
+dnl file, but you are not obligated to do so. If you do not wish to do
+dnl so, delete this exception statement from your version.
+
dnl
dnl Process this file with autoconf to produce a configure script.
dnl
AC_INIT(src/version.c)
-AC_PREREQ(2.12)
+AC_PREREQ(2.50)
AC_CONFIG_HEADER(src/config.h)
dnl
[AC_DEFINE(HAVE_SOCKS)])
AC_ARG_WITH(ssl,
-[ --with-ssl[=SSL_ROOT] link with libssl [in SSL_ROOT/lib] for https: support])
+[[ --with-ssl[=SSL-ROOT] link with SSL support [default=auto]
+ --without-ssl disable SSL autodetection]])
AC_ARG_ENABLE(opie,
[ --disable-opie disable support for opie or s/key FTP login],
AC_ARG_ENABLE(debug,
[ --disable-debug disable support for debugging output],
-DEBUG=$enableval, DEBUG=yes)
-test x"${DEBUG}" = xyes && AC_DEFINE(DEBUG)
+ENABLE_DEBUG=$enableval, ENABLE_DEBUG=yes)
+test x"${ENABLE_DEBUG}" = xyes && AC_DEFINE(ENABLE_DEBUG)
wget_need_md5=no
AC_C_INLINE
AC_TYPE_SIZE_T
AC_TYPE_PID_T
-dnl #### This generates a warning. What do I do to shut it up?
AC_C_BIGENDIAN
-# Check size of long.
+dnl
+dnl Check integral type sizes.
+dnl
+AC_CHECK_SIZEOF(short)
+AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
+AC_CHECK_HEADERS(inttypes.h)
+AC_CHECK_TYPES(uint32_t)
dnl
dnl Checks for headers
dnl
-AC_CHECK_HEADERS(string.h stdarg.h unistd.h sys/time.h utime.h sys/utime.h)
-AC_CHECK_HEADERS(sys/select.h sys/utsname.h pwd.h signal.h)
+AC_CHECK_HEADERS(string.h stdarg.h unistd.h sys/time.h utime.h sys/utime.h pwd.h)
+AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h sys/utsname.h)
+AC_CHECK_HEADERS(signal.h setjmp.h)
AC_HEADER_TIME
dnl
AC_TYPE_SIGNAL
dnl
-dnl Check for struct utimbuf
+dnl Call several of Wget's macros.
+dnl
WGET_STRUCT_UTIMBUF
+WGET_SOCKLEN_T
dnl
dnl Checks for library functions.
dnl
AC_FUNC_ALLOCA
AC_FUNC_MMAP
-AC_CHECK_FUNCS(strdup strstr strcasecmp strncasecmp)
-AC_CHECK_FUNCS(gettimeofday mktime strptime)
-AC_CHECK_FUNCS(strerror snprintf vsnprintf select signal symlink access isatty)
-AC_CHECK_FUNCS(uname gethostname)
+AC_CHECK_FUNCS(strdup strstr strcasecmp strncasecmp strpbrk memmove)
+AC_CHECK_FUNCS(gettimeofday mktime strptime strerror snprintf vsnprintf)
+AC_CHECK_FUNCS(select sigblock sigsetjmp signal symlink access isatty)
+AC_CHECK_FUNCS(uname gethostname usleep)
dnl
dnl Check if we need to compile in getopt.c.
dnl Checks for libraries.
dnl
-dnl
-dnl Use the md5 lib if available (Solaris).
-dnl
-
-if test x$wget_need_md5 = xyes
-then
- AC_DEFINE(HAVE_MD5)
- AC_CHECK_LIB(md5, MD5Update, [
- AC_DEFINE(HAVE_SOLARIS_MD5)
- LIBS="-lmd5 $LIBS"
- ], [
- MD5_OBJ='gnu-md5$o'
- AC_DEFINE(HAVE_BUILTIN_MD5)
- ])
-fi
-AC_SUBST(MD5_OBJ)
-
dnl On Solaris, -lnsl is needed to use gethostbyname. On "NCR MP-RAS
dnl 3.0", however, gethostbyname is in libc, but -lnsl is still needed
dnl to use -lsocket, as well as for functions such as inet_ntoa. We
AC_CHECK_LIB(socks, Rconnect)
fi
-dnl If --with-ssl was specified, make sure we can link with the
-dnl OpenSSL libs. We should probably auto-detect this by default.
+dnl $with_ssl can be one of:
+dnl - empty string or "auto", meaning autodetect SSL and use it if found.
+dnl - "yes", meaning link with SSL or bail out.
+dnl - "no", meaning don't link with SSL.
+dnl - anything else, meaning use that as the SSL root, and bail out
+dnl if it fails.
+
+if test x"$with_ssl" = x; then
+ dnl Canonicalize unspecified with-ssl setting to "auto". This
+ dnl implements the "auto-detect by default" feature. If you want to
+ dnl change this to "ignore SSL by default", change "auto" to "no".
+ with_ssl=auto
+fi
+
+dnl Detection of OpenSSL is much hairier than the detection of other
+dnl libraries because OpenSSL can be compiled as a third-party
+dnl library, which means it will not be found without additional
+dnl linker magic. It would be really nice to rework this check into
+dnl an AC_DEFUN so that we can reuse it for other third-party
+dnl libraries.
+
+if test x"$with_ssl" != x"no"; then
-if test x"$with_ssl" != x -a x"$with_ssl" != x"no"; then
+ wget_force_ssl=no
if test x"$with_ssl" = x"yes"; then
- dnl OpenSSL's default install location is "/usr/local/ssl". We also
- dnl allow /usr/local for regular-style install, and /usr for Linux
- dnl stuff.
- ssl_all_roots="default /usr/local/ssl /usr/local /opt"
+ wget_force_ssl=yes
+ fi
+
+ if test x"$with_ssl" = x"yes" || test x"$with_ssl" = x"auto"; then
+ dnl OpenSSL's root was not specified, so we have to guess. First
+ dnl try the system default location, then "/usr/local/ssl" (where
+ dnl OpenSSL installs by default), then "/usr/local" (traditional
+ dnl choice for installation root), then "/opt".
+ ssl_all_roots="system-default /usr/local/ssl /usr/local /opt"
else
- dnl Root has been kindly provided by the user.
+ dnl Root has been specified by the user.
ssl_all_roots=$with_ssl
+ wget_force_ssl=yes
fi
+ wget_save_CC=$CC
wget_save_LIBS=$LIBS
wget_save_LDFLAGS=$LDFLAGS
- wget_save_CC=$CC
+ wget_save_CPPFLAGS=$CPPFLAGS
- dnl Use libtool for OpenSSL tests to handle the "-R<rpath>" option.
+ dnl Use libtool for OpenSSL tests so we can specify "-R<rpath>"
+ dnl without having to know how the linker handles it.
CC="$SHELL ./libtool $CC"
dnl Unfortunately, as of this writing (OpenSSL 0.9.6), the libcrypto
AC_CHECK_LIB(dl,dlopen)
AC_CHECK_LIB(dl,shl_load)
- ssl_linked=no
+ ssl_success=no
dnl Now try to find SSL libraries in each of the likely SSL roots.
for ssl_root in $ssl_all_roots
do
- if test x"$ssl_root" = xdefault; then
- dnl Try the default library locations.
+ if test x"$ssl_root" = x"system-default"; then
+ dnl Try the default include and library locations.
SSL_INCLUDES=
else
dnl Try this specific root.
LDFLAGS="-L$ssl_root/lib -R$ssl_root/lib $wget_save_LDFLAGS"
fi
- ssl_link_failure=no
+ AC_MSG_RESULT([Looking for SSL libraries in $ssl_root])
+
+ dnl Check whether the compiler can find the include files. On
+ dnl some systems Gcc finds libraries in /usr/local/lib, but fails
+ dnl to find the includes in /usr/local/include.
+
+ ssl_found_includes=no
+ CPPFLAGS="$SSL_INCLUDES $wget_save_CPPFLAGS"
+
+ AC_MSG_CHECKING([for includes])
- AC_MSG_RESULT(["Looking for SSL libraries in $ssl_root"])
+ AC_TRY_CPP([#include <openssl/ssl.h>
+#include <openssl/rsa.h>
+],
+ AC_MSG_RESULT(found); ssl_found_includes=yes,
+ AC_MSG_RESULT([not found])
+ )
+
+ if test x"$ssl_found_includes" = xno; then
+ continue
+ fi
+
+ ssl_link_failure=no
dnl Make sure that the checks don't run afoul of the cache. It
dnl would be nicer to temporarily turn off the cache, but
AC_CHECK_LIB(crypto, RSA_new, , ssl_link_failure=yes)
AC_CHECK_LIB(ssl, SSL_new, , ssl_link_failure=yes)
- dnl If ssl_link_failure is still no, the libraries link. But we
- dnl still need to check if the program linked with those libraries
- dnl under these settings with run. On some systems (Solaris), Gcc
- dnl adds -L/usr/local/lib to the linking line, but fails to add
- dnl -R/usr/local/lib, thus creating executables that link, but
- dnl fail to run.
+ if test x"$ssl_link_failure" = xyes; then
+ dnl One or both libs failed to link.
+ continue
+ fi
+
+ dnl The libraries link. But we still need to check if the program
+ dnl linked with those libraries under these settings with run. On
+ dnl some systems (Solaris), Gcc adds -L/usr/local/lib to the
+ dnl linking line, but fails to add -R/usr/local/lib, thus creating
+ dnl executables that link, but fail to run.
dnl If we are cross-compiling, just assume that working linkage
dnl implies working executable.
- if test x"$ssl_link_failure" = xno; then
- dnl Now try to run the thing.
- AC_MSG_CHECKING("whether SSL libs are resolved at runtime")
- AC_TRY_RUN([
+ ssl_run_failure=no
+
+ AC_MSG_CHECKING([whether SSL libs are resolved at runtime])
+ AC_TRY_RUN([
int RSA_new();
int SSL_new();
main(){return 0;}
],
- AC_MSG_RESULT("yes"),
- AC_MSG_RESULT("no"); ssl_link_failure=yes,
- AC_MSG_RESULT("cross"))
- fi
+ AC_MSG_RESULT(yes),
+ AC_MSG_RESULT(no); ssl_run_failure=yes,
+ AC_MSG_RESULT(cross)
+ )
- if test x"$ssl_link_failure" = xno; then
- dnl This echo doesn't look right, but I'm not sure what to use
- dnl instead.
- AC_MSG_RESULT("Compiling in support for SSL in $ssl_root")
- AC_DEFINE(HAVE_SSL)
- AC_SUBST(SSL_INCLUDES)
- SSL_OBJ='gen_sslfunc$o'
- AC_SUBST(SSL_OBJ)
- ssl_linked=yes
+ if test x"$ssl_run_failure" = xno; then
+ ssl_success=yes
break
fi
done
- if test x"$ssl_linked" = xno; then
- LD_FLAGS=$wget_save_LDFLAGS
+ if test x"$ssl_success" = xyes; then
+ dnl AC_MSG_RESULT doesn't look right here, but I'm not sure what
+ dnl to use instead.
+ AC_MSG_RESULT([Compiling in support for SSL in $ssl_root])
+ AC_DEFINE(HAVE_SSL)
+ AC_SUBST(SSL_INCLUDES)
+ SSL_OBJ='gen_sslfunc$o'
+ AC_SUBST(SSL_OBJ)
+ else
+ LDFLAGS=$wget_save_LDFLAGS
LIBS=$wget_save_LIBS
- dnl Perhaps we should abort here. Dan argues that configure
- dnl scripts shouldn't abort out of principle, but on the other
- dnl hand remember that the user explicitly requested linking with
- dnl SSL.
-
- dnl IMHO there should be a way to specify whether SSL should be
- dnl avoided, auto-detected, or required, defaulting to
- dnl `autodetect'. Only in the `require' mode the script would
- dnl abort if SSL is not found.
- echo
- echo "WARNING: Failed to link with OpenSSL libraries in $ssl_root/lib."
- echo " Wget will be built without support for https://... URLs."
- echo
+ dnl If linking with SSL was forced rather than auto-detected, then
+ dnl bail out if SSL failed.
+ if test x"$wget_force_ssl" = x"yes"; then
+ exec >&2
+ echo "ERROR: Failed to find OpenSSL libraries."
+ exit 2
+ fi
fi
+ dnl Restore the compiler setting.
CC=$wget_save_CC
+
+ dnl Restore the CPPFLAGS. Do this regardless of whether linking
+ dnl with SSL succeeded -- SSL includes will be handled using
+ dnl @SSL_INCLUDES@.
+ CPPFLAGS=$wget_save_CPPFLAGS
fi
+dnl
+dnl Find an md5 implementation.
+dnl
+
+if test x"$wget_need_md5" = xyes
+then
+ MD5_OBJ='gen-md5$o'
+
+ found_md5=no
+
+ dnl Check for the system MD5 library on Solaris. We don't check for
+ dnl something simple like "MD5Update" because there are a number of
+ dnl MD5 implementations that use that name. md5_calc is, hopefully,
+ dnl specific to the Solaris MD5 library.
+ if test x"$found_md5" = xno; then
+ AC_CHECK_LIB(md5, md5_calc, [
+ AC_DEFINE(HAVE_SOLARIS_MD5)
+ LIBS="-lmd5 $LIBS"
+ found_md5=yes
+ ])
+ fi
+
+ dnl Then see if we're linking OpenSSL anyway; if yes, use its md5
+ dnl implementation.
+ if test x"$found_md5" = xno; then
+ if test x"$ssl_success" = xyes; then
+ AC_DEFINE(HAVE_OPENSSL_MD5)
+ found_md5=yes
+ fi
+ fi
+
+ dnl If none of the above worked, use the one we ship with Wget.
+ if test x"$found_md5" = xno; then
+ AC_DEFINE(HAVE_BUILTIN_MD5)
+ found_md5=yes
+ MD5_OBJ="$MD5_OBJ gnu-md5\$o"
+ fi
+fi
+AC_DEFINE(HAVE_MD5)
+AC_SUBST(MD5_OBJ)
+
+dnl **********************************************************************
+dnl Checks for IPv6
+dnl **********************************************************************
+
+dnl
+dnl If --enable-ipv6 is specified, we try to use IPv6 (as long as
+dnl getaddrinfo is also present). If --disable-ipv6 is specified, we
+dnl don't use IPv6 or getaddrinfo.
+dnl
+
+ipv6=
+check_for_ipv6=no
+AC_ARG_ENABLE(ipv6,
+ AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
+ [case "${enable_ipv6}" in
+ no)
+ AC_MSG_NOTICE([Disabling IPv6 at user request])
+ ipv6=no
+ ;;
+ *)
+ ipv6=yes
+ ;;
+ esac],
+ dnl If unspecified, check for IPv6 and use it where available.
+ [check_for_ipv6=yes]
+)
+
+if test "X$ipv6" = "Xyes" || test "X$check_for_ipv6" = "Xyes"; then
+ AC_CHECK_FUNCS(getaddrinfo,[
+ GETADDRINFO_AI_ADDRCONFIG(
+ AC_DEFINE(
+ [HAVE_GETADDRINFO_AI_ADDRCONFIG], 1,
+ [Define if the system headers support the AI_ADDRCONFIG flag.]
+ )
+ )
+ GETADDRINFO_AI_V4MAPPED(
+ AC_DEFINE(
+ [HAVE_GETADDRINFO_AI_V4MAPPED], 1,
+ [Define if the system headers support the AI_V4MAPPED flag.]
+ )
+ )
+ GETADDRINFO_AI_ALL(
+ AC_DEFINE(
+ [HAVE_GETADDRINFO_AI_ALL], 1,
+ [Define if the system headers support the AI_ALL flag.]
+ )
+ )
+ ],[
+ AC_MSG_NOTICE([Disabling IPv6 support: your system does not support getaddrinfo(3)])
+ ipv6=no
+ ])
+fi
+
+if test "X$ipv6" = "Xyes" || test "X$check_for_ipv6" = "Xyes"; then
+ PROTO_INET6(,[
+ AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family])
+ ipv6=no
+ ])
+fi
+
+if test "X$ipv6" = "Xyes" || test "X$check_for_ipv6" = "Xyes"; then
+ TYPE_STRUCT_SOCKADDR_IN6([
+ ipv6=yes
+ ],[
+ AC_MSG_NOTICE([Disabling IPv6 support: your system does not support 'struct sockaddr_in6'])
+ ipv6=no
+ ])
+ if test "X$ipv6" = "Xyes"; then
+ MEMBER_SIN6_SCOPE_ID
+ fi
+fi
+
+if test "X$ipv6" = "Xyes"; then
+ AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.])
+fi
+
+
dnl
dnl Set of available languages.
dnl
-ALL_LINGUAS=`(cd ${srcdir}/po && ls *.po | sed -e 's/\.po$//')`
+ALL_LINGUAS=`(cd ${srcdir}/po && ls *.po | sed -e 's/\.po$//' | tr '\012' ' ')`
dnl Originally this used to be static, looking like this:
dnl ALL_LINGUAS="cs de hr it ..."