dnl
AC_INIT([src/version.c])
-AC_PREREQ(2.57)
+AC_PREREQ(2.59)
+
+dnl Include the M4 macros we use.
+builtin(include, [m4/wget.m4])dnl
+builtin(include, [m4/lib-ld.m4])dnl
+builtin(include, [m4/lib-link.m4])dnl
+builtin(include, [m4/lib-prefix.m4])dnl
dnl
dnl What version of Wget are we building?
dnl
AC_ARG_WITH(ssl,
-[[ --with-ssl[=SSL-ROOT] link with SSL support [default=auto]
- --without-ssl disable SSL autodetection]])
+[[ --without-ssl disable SSL autodetection]])
AC_ARG_ENABLE(opie,
[ --disable-opie disable support for opie or s/key FTP login],
AC_PROG_CC
AC_AIX
+YYTEXT_POINTER=1
+AC_PROG_LEX
+
dnl Turn on optimization by default. Specifically:
dnl
dnl if the user hasn't specified CFLAGS, then
dnl use os-specific flags or -O
if test -n "$auto_cflags"; then
if test -n "$GCC"; then
- CFLAGS="$CFLAGS -O2 -Wall -Wno-implicit"
+ CFLAGS="$CFLAGS -O2 -Wall"
else
case "$host_os" in
*hpux*) CFLAGS="$CFLAGS +O3" ;;
AC_C_CONST
AC_C_INLINE
AC_C_VOLATILE
-dnl Needed for GNU md5 code.
-AC_C_BIGENDIAN
-
-dnl
-dnl Checks for header files that might be missing.
-dnl
-dnl Check for basic headers, even those we assume the presence of.
-dnl This is because test programs used by Autoconf macros check for
-dnl STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before including them.
-dnl Without these checks they will fail to be included in test
-dnl programs, which will subsequently fail.
+dnl Check for basic headers, even though we expect them to exist and
+dnl #include them unconditionally in the code. Their detection is
+dnl still needed because test programs used by Autoconf macros check
+dnl for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before using them.
+dnl Without the checks they will fail to be included in test programs,
+dnl which will subsequently fail.
AC_HEADER_STDC
-AC_CHECK_HEADERS(sys/types.h sys/stat.h)
-dnl Now the real checks:
+dnl Check for large file support. This check needs to come fairly
+dnl early because it could (in principle) affect whether functions and
+dnl headers are available, whether they work, etc.
+AC_SYS_LARGEFILE
+AC_CHECK_SIZEOF(off_t)
+
+dnl
+dnl Checks for system header files that might be missing.
+dnl
AC_HEADER_STDBOOL
-AC_CHECK_HEADERS(string.h strings.h limits.h unistd.h sys/time.h)
+AC_CHECK_HEADERS(unistd.h sys/time.h)
AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
-AC_CHECK_HEADERS(stdint.h inttypes.h setjmp.h pwd.h)
+AC_CHECK_HEADERS(stdint.h inttypes.h pwd.h)
dnl
-dnl Check sizes of signed integer types. These are used to find n-bit
+dnl Check sizes of integer types. These are used to find n-bit
dnl integral types on older systems that fail to provide intN_t and
dnl uintN_t typedefs.
dnl
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
-
-dnl
-dnl Check for large file support. This check needs to come fairly
-dnl early because it could (in principle) affect whether functions and
-dnl headers are available, whether they work, etc.
-dnl
-AC_SYS_LARGEFILE
-AC_CHECK_SIZEOF(off_t)
+AC_CHECK_SIZEOF(void *)
dnl
dnl Checks for non-universal or system-specific types.
dnl
AC_TYPE_SIZE_T
AC_TYPE_PID_T
-AC_CHECK_TYPES(uint32_t)
+AC_CHECK_TYPES([uint32_t, uintptr_t, intptr_t, int64_t])
AC_CHECK_TYPES(sig_atomic_t, [], [], [
#include <stdio.h>
#include <sys/types.h>
AC_FUNC_ALLOCA
AC_FUNC_MMAP
AC_FUNC_FSEEKO
-AC_CHECK_FUNCS(strdup strcasecmp strncasecmp)
-AC_CHECK_FUNCS(strptime snprintf vsnprintf)
-AC_CHECK_FUNCS(usleep ftello sigblock sigsetjmp)
-AC_CHECK_FUNCS(symlink isatty)
+AC_CHECK_FUNCS(strptime timegm snprintf vsnprintf vasprintf drand48)
+AC_CHECK_FUNCS(strtoll usleep ftello sigblock sigsetjmp memrchr)
+
+dnl We expect to have these functions on Unix-like systems configure
+dnl runs on. The defines are provided to get them in config.h.in so
+dnl Wget can still be ported to non-Unix systems (such as Windows)
+dnl that lack some of these functions.
+AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have the `strcasecmp' function.])
+AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have the `strncasecmp' function.])
+AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the `strdup' function.])
+AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the `isatty' function.])
+AC_DEFINE([HAVE_SYMLINK], 1, [Define to 1 if you have the `symlink' function.])
dnl
dnl Call Wget-specific macros defined in aclocal.
dnl
dnl Checks for libraries.
dnl
-AC_CHECK_LIB(dl,dlopen)
-AC_CHECK_LIB(dl,shl_load)
-dnl Check for OpenSSL
-AC_LIB_LINKFLAGS([crypto])
-AC_LIB_LINKFLAGS([ssl],[crypto],[
+if test x"$with_ssl" = xgnutls
+then
+ dnl Now actually check for -lssl
+ AC_LIB_HAVE_LINKFLAGS([gnutls], [], [
+#include <gnutls/gnutls.h>
+ ], [gnutls_global_init()])
+ if test x"$LIBGNUTLS" != x
+ then
+ AC_MSG_NOTICE([compiling in support for SSL via GnuTLS])
+ SSL_OBJ='gnutls.o'
+ else
+ AC_MSG_ERROR([--with-ssl=gnutls was given, but GNUTLS is not available.])
+ fi
+elif test x"$with_ssl" != xno; then
+ dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library
+ dnl doesn't record its dependency on libdl, so we need to make sure
+ dnl -ldl ends up in LIBS on systems that have it. Most OSes use
+ dnl dlopen(), but HP-UX uses shl_load().
+ AC_CHECK_LIB(dl, dlopen, [], [
+ AC_CHECK_LIB(dl, shl_load)
+ ])
+
+ dnl Now actually check for -lssl
+ AC_LIB_HAVE_LINKFLAGS([ssl], [crypto], [
#include <openssl/ssl.h>
#include <openssl/x509.h>
#include <openssl/err.h>
#include <openssl/des.h>
#include <openssl/md4.h>
#include <openssl/md5.h>
-])
-if test x"$LIBSSL" != x
-then
- AC_MSG_NOTICE([compiling in support for SSL])
- AC_DEFINE([HAVE_SSL], 1,
- [Define if SSL support should be compiled in.])
- SSL_OBJ='openssl.o'
+ ], [SSL_library_init ()])
+ if test x"$LIBSSL" != x
+ then
+ AC_MSG_NOTICE([compiling in support for SSL via OpenSSL])
+ SSL_OBJ='openssl.o'
+ elif test x"$with_ssl" != x
+ then
+ AC_MSG_ERROR([--with-ssl was given, but SSL is not available.])
+ fi
fi
+
AC_SUBST(SSL_OBJ)
dnl Enable NTLM if requested and if SSL is available.
NTLM_OBJ=''
-if test x"$ssl_success" = xyes
+if test x"$LIBSSL" != x
then
if test x"$ENABLE_NTLM" != xno
then
AC_SUBST(NTLM_OBJ)
dnl
-dnl Find an md5 implementation.
+dnl Find an MD5 implementation. Since Wget rarely needs MD5, we try
+dnl to use an existing library implementation to save on code size.
dnl
if test x"$wget_need_md5" = xyes
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.
+ dnl MD5 implementations that use that name, but have an otherwise
+ dnl incompatible interface. md5_calc is, hopefully, specific to the
+ dnl Solaris MD5 library.
if test x"$found_md5" = xno; then
AC_CHECK_LIB(md5, md5_calc, [
dnl Some installations have bogus <md5.h> in the compiler's
AC_COMPILE_IFELSE([#include <md5.h>
], [
AC_MSG_RESULT(yes)
- AC_DEFINE([HAVE_SOLARIS_MD5], 1, [Define to use Solaris MD5.])
+ AC_DEFINE([HAVE_SOLARIS_MD5], 1, [Define when using Solaris MD5.])
LIBS="-lmd5 $LIBS"
found_md5=yes
AC_MSG_NOTICE([using the Solaris MD5 implementation])
dnl Then see if we're linking OpenSSL anyway; if yes, use its md5
dnl implementation.
if test x"$found_md5" = xno; then
- if test x"$ssl_success" = xyes; then
- AC_DEFINE([HAVE_OPENSSL_MD5], 1, [Define to use OpenSSL MD5.])
+ if test x"$LIBSSL" != x; then
+ AC_DEFINE([HAVE_OPENSSL_MD5], 1, [Define when using OpenSSL MD5.])
found_md5=yes
AC_MSG_NOTICE([using the OpenSSL MD5 implementation])
fi
dnl If none of the above worked, use the one we ship with Wget.
if test x"$found_md5" = xno; then
- AC_DEFINE([HAVE_BUILTIN_MD5], 1, [Define to use built-in MD5.])
+ AC_DEFINE([HAVE_BUILTIN_MD5], 1, [Define when using built-in MD5.])
MD5_OBJ="$MD5_OBJ gnu-md5.o"
found_md5=yes
- AC_MSG_NOTICE([using the GNU MD5 implementation])
+ AC_MSG_NOTICE([using the built-in (GNU) MD5 implementation])
+ AC_C_BIGENDIAN
fi
fi
AC_DEFINE([HAVE_MD5], 1, [Define if we're compiling support for MD5.])
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. Otherwise we detect IPv6 and use
-dnl it where available.
+dnl We test for IPv6 by checking, in turn, for availability of
+dnl getaddrinfo, presence of the INET6 address/protocol family, and
+dnl the existence of struct sockaddr_in6. If any of them is missing,
+dnl IPv6 is disabled, and the code reverts to old-style gethostbyname.
+dnl
+dnl If --enable-ipv6 is explicitly specified on the configure command
+dnl line, we check for IPv6 and abort if not found. If --disable-ipv6
+dnl is specified, we disable IPv6 and don't check for it. The default
+dnl is to autodetect IPv6 and use it where available.
dnl
AC_ARG_ENABLE(ipv6,
dnl
dnl Set of available languages.
dnl
-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 ..."
dnl The downside was that configure needed to be rebuilt whenever a
dnl new language was added.
+dnl
+ALL_LINGUAS=`(cd ${srcdir}/po && ls *.po | sed -e 's/\.po$//' | tr '\012' ' ')`
dnl internationalization macros
WGET_WITH_NLS
dnl Create output
dnl
AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
- po/Makefile.in windows/Makefile])
+ po/Makefile.in tests/Makefile windows/Makefile])
AC_CONFIG_HEADERS([src/config.h])
AH_BOTTOM([
#include "config-post.h"