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curl/configure.in

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dnl $Id$
dnl Process this file with autoconf to produce a configure script.
dnl Ensure that this file is processed with autoconf 2.50 or newer
dnl Don't even think about removing this check!
AC_PREREQ(2.50)
dnl First some basic init macros
AC_INIT
AC_CONFIG_SRCDIR([lib/urldata.h])
AM_CONFIG_HEADER(config.h src/config.h)
dnl figure out the libcurl version
VERSION=`sed -ne 's/^#define LIBCURL_VERSION "\(.*\)"/\1/p' ${srcdir}/include/curl/curl.h`
AM_INIT_AUTOMAKE(curl,$VERSION)
dnl
dnl we extract the numerical version for curl-config only
VERSIONNUM=`sed -ne 's/^#define LIBCURL_VERSION_NUM 0x\(.*\)/\1/p' ${srcdir}/include/curl/curl.h`
AC_SUBST(VERSIONNUM)
dnl Solaris pkgadd support definitions
PKGADD_PKG="HAXXcurl"
PKGADD_NAME="cURL - a client that groks URLs"
PKGADD_VENDOR="curl.haxx.se"
AC_SUBST(PKGADD_PKG)
AC_SUBST(PKGADD_NAME)
AC_SUBST(PKGADD_VENDOR)
dnl
dnl Detect the canonical host and target build environment
dnl
AC_CANONICAL_HOST
dnl Get system canonical name
AC_DEFINE_UNQUOTED(OS, "${host}")
dnl Check for AIX weirdos
AC_AIX
dnl Checks for programs.
AC_PROG_CC
dnl check for how to do large files
AC_SYS_LARGEFILE
dnl check for cygwin stuff
AC_LIBTOOL_WIN32_DLL
dnl libtool setup
AM_PROG_LIBTOOL
dnl The install stuff has already been taken care of by the automake stuff
dnl AC_PROG_INSTALL
AC_PROG_MAKE_SET
dnl ************************************************************
dnl lame option to switch on debug options
dnl
AC_MSG_CHECKING([whether to enable debug options])
AC_ARG_ENABLE(debug,
[ --enable-debug Enable pedantic debug options
--disable-debug Disable debug options],
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
;;
*) AC_MSG_RESULT(yes)
CPPFLAGS="$CPPFLAGS -DMALLOCDEBUG"
CFLAGS="-W -Wall -Wwrite-strings -pedantic -Wundef -Wpointer-arith -Wcast-align -Wnested-externs -g"
;;
esac ],
AC_MSG_RESULT(no)
)
dnl **********************************************************************
dnl Checks for IPv6
dnl **********************************************************************
AC_MSG_CHECKING([whether to enable ipv6])
AC_ARG_ENABLE(ipv6,
[ --enable-ipv6 Enable ipv6 (with ipv4) support
--disable-ipv6 Disable ipv6 support],
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
ipv6=no
;;
*) AC_MSG_RESULT(yes)
ipv6=yes
;;
esac ],
AC_TRY_RUN([ /* is AF_INET6 available? */
#include <sys/types.h>
#include <sys/socket.h>
main()
{
if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
exit(1);
else
exit(0);
}
],
AC_MSG_RESULT(yes)
ipv6=yes,
AC_MSG_RESULT(no)
ipv6=no,
AC_MSG_RESULT(no)
ipv6=no
))
if test "$ipv6" = "yes"; then
CURL_CHECK_WORKING_GETADDRINFO
fi
dnl **********************************************************************
dnl Checks for libraries.
dnl **********************************************************************
dnl gethostbyname in the nsl lib?
AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, gethostbyname))
if test "$ac_cv_lib_nsl_gethostbyname" != "yes" -a "$ac_cv_func_gethostbyname" != "yes"; then
dnl gethostbyname in the socket lib?
AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(socket, gethostbyname))
fi
dnl At least one system has been identified to require BOTH nsl and
dnl socket libs to link properly.
if test "$ac_cv_lib_nsl_gethostbyname" = "$ac_cv_func_gethostbyname"; then
AC_MSG_CHECKING([trying both nsl and socket libs])
my_ac_save_LIBS=$LIBS
LIBS="-lnsl -lsocket $LIBS"
AC_TRY_LINK( ,
[gethostbyname();],
my_ac_link_result=success,
my_ac_link_result=failure )
if test "$my_ac_link_result" = "failure"; then
AC_MSG_RESULT([no])
AC_MSG_ERROR([couldn't find libraries for gethostbyname()])
dnl restore LIBS
LIBS=$my_ac_save_LIBS
else
AC_MSG_RESULT([yes])
fi
fi
dnl resolve lib?
AC_CHECK_FUNC(strcasecmp, , AC_CHECK_LIB(resolve, strcasecmp))
if test "$ac_cv_lib_resolve_strcasecmp" = "$ac_cv_func_strcasecmp"; then
AC_CHECK_LIB(resolve, strcasecmp,
[LIBS="-lresolve $LIBS"],
,
-lnsl)
fi
dnl socket lib?
AC_CHECK_FUNC(connect, , AC_CHECK_LIB(socket, connect))
dnl ucb lib?
AC_CHECK_FUNC(gethostname, , AC_CHECK_LIB(ucb, gethostname))
dnl dl lib?
AC_CHECK_FUNC(dlclose, , AC_CHECK_LIB(dl, dlopen))
dnl **********************************************************************
dnl Check how non-blocking sockets are set
dnl **********************************************************************
AC_ARG_ENABLE(nonblocking,
[ --enable-nonblocking Makes the script detect how to do it
--disable-nonblocking Makes the script disable non-blocking sockets],
[
if test "$enableval" = "no" ; then
AC_MSG_WARN([non-blocking sockets disabled])
AC_DEFINE(HAVE_DISABLED_NONBLOCKING)
else
CURL_CHECK_NONBLOCKING_SOCKET
fi
],
[
CURL_CHECK_NONBLOCKING_SOCKET
])
dnl **********************************************************************
dnl Check for the random seed preferences
dnl **********************************************************************
AC_ARG_WITH(egd-socket,
[ --with-egd-socket=FILE Entropy Gathering Daemon socket pathname],
[ EGD_SOCKET="$withval" ]
)
if test -n "$EGD_SOCKET" ; then
AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
fi
dnl Check for user-specified random device
AC_ARG_WITH(random,
[ --with-random=FILE read randomness from FILE (default=/dev/urandom)],
[ RANDOM_FILE="$withval" ],
[
dnl Check for random device
AC_CHECK_FILE("/dev/urandom",
[
RANDOM_FILE="/dev/urandom";
]
)
]
)
if test -n "$RANDOM_FILE" ; then
AC_SUBST(RANDOM_FILE)
AC_DEFINE_UNQUOTED(RANDOM_FILE, "$RANDOM_FILE")
fi
dnl **********************************************************************
dnl Check for the presence of Kerberos4 libraries and headers
dnl **********************************************************************
AC_ARG_WITH(krb4-includes,
[ --with-krb4-includes[=DIR] Specify location of kerberos4 headers],[
CPPFLAGS="$CPPFLAGS -I$withval"
KRB4INC="$withval"
want_krb4=yes
])
AC_ARG_WITH(krb4-libs,
[ --with-krb4-libs[=DIR] Specify location of kerberos4 libs],[
LDFLAGS="$LDFLAGS -L$withval"
KRB4LIB="$withval"
want_krb4=yes
])
OPT_KRB4=off
AC_ARG_WITH(krb4,dnl
[ --with-krb4[=DIR] where to look for Kerberos4],[
OPT_KRB4="$withval"
if test X"$OPT_KRB4" != Xyes
then
LDFLAGS="$LDFLAGS -L$OPT_KRB4/lib"
KRB4LIB="$OPT_KRB4/lib"
CPPFLAGS="$CPPFLAGS -I$OPT_KRB4/include"
KRB4INC="$OPT_KRB4/include"
fi
want_krb4="yes"
])
AC_MSG_CHECKING([if Kerberos4 support is requested])
if test "$want_krb4" = yes
then
if test "$ipv6" = "yes"; then
echo krb4 is not compatible with IPv6
exit 1
fi
AC_MSG_RESULT(yes)
dnl Check for & handle argument to --with-krb4
AC_MSG_CHECKING(where to look for Kerberos4)
if test X"$OPT_KRB4" = Xyes
then
AC_MSG_RESULT([defaults])
else
AC_MSG_RESULT([libs in $KRB4LIB, headers in $KRB4INC])
fi
dnl Check for DES library
AC_CHECK_LIB(des, des_pcbc_encrypt,
[
AC_CHECK_HEADERS(des.h)
dnl resolv lib?
AC_CHECK_FUNC(res_search, , AC_CHECK_LIB(resolv, res_search))
dnl Check for the Kerberos4 library
AC_CHECK_LIB(krb, krb_net_read,
[
dnl Check for header files
AC_CHECK_HEADERS(krb.h)
dnl we found the required libraries, add to LIBS
LIBS="-lkrb -ldes $LIBS"
dnl Check for function krb_get_our_ip_for_realm
dnl this is needed for NAT networks
AC_CHECK_FUNCS(krb_get_our_ip_for_realm)
dnl add define KRB4
AC_DEFINE(KRB4)
dnl substitute it too!
KRB4_ENABLED=1
AC_SUBST(KRB4_ENABLED)
dnl the krb4 stuff needs a strlcpy()
AC_CHECK_FUNCS(strlcpy)
])
])
else
AC_MSG_RESULT(no)
fi
dnl **********************************************************************
dnl Check for the presence of SSL libraries and headers
dnl **********************************************************************
dnl Default to compiler & linker defaults for SSL files & libraries.
OPT_SSL=off
AC_ARG_WITH(ssl,dnl
[ --with-ssl[=DIR] where to look for SSL [compiler/linker default paths]
DIR points to the SSL installation [/usr/local/ssl]],
OPT_SSL=$withval
)
if test X"$OPT_SSL" = Xno
then
AC_MSG_WARN(SSL/https support disabled)
else
dnl Check for and handle argument to --with-ssl.
dnl save the pre-ssl check flags for a while
CLEANLDFLAGS="$LDFLAGS"
CLEANCPPFLAGS="$CPPFLAGS"
case "$OPT_SSL" in
yes)
EXTRA_SSL=/usr/local/ssl ;;
off)
EXTRA_SSL= ;;
*)
dnl check the given spot right away!
EXTRA_SSL=$OPT_SSL
LDFLAGS="$LDFLAGS -L$EXTRA_SSL/lib"
CPPFLAGS="$CPPFLAGS -I$EXTRA_SSL/include/openssl -I$EXTRA_SSL/include"
;;
esac
AC_CHECK_LIB(crypto, CRYPTO_lock,[
HAVECRYPTO="yes"
],[
OLDLDFLAGS="$LDFLAGS"
OLDCPPFLAGS="$CPPFLAGS"
LDFLAGS="$CLEANLDFLAGS -L$EXTRA_SSL/lib"
CPPFLAGS="$CLEANCPPFLAGS -I$EXTRA_SSL/include/openssl -I$EXTRA_SSL/include"
AC_CHECK_LIB(crypto, CRYPTO_add_lock,[
HAVECRYPTO="yes" ], [
LDFLAGS="$OLDLDFLAGS"
CPPFLAGS="$OLDCPPFLAGS"
])
])
if test "$HAVECRYPTO" = "yes"; then
dnl This is only reasonable to do if crypto actually is there: check for
dnl SSL libs NOTE: it is important to do this AFTER the crypto lib
AC_CHECK_LIB(crypto, CRYPTO_add_lock)
AC_CHECK_LIB(ssl, SSL_connect)
if test "$ac_cv_lib_ssl_SSL_connect" != yes; then
dnl we didn't find the SSL lib, try the RSAglue/rsaref stuff
AC_MSG_CHECKING(for ssl with RSAglue/rsaref libs in use);
OLIBS=$LIBS
LIBS="$LIBS -lRSAglue -lrsaref"
AC_CHECK_LIB(ssl, SSL_connect)
if test "$ac_cv_lib_ssl_SSL_connect" != yes; then
dnl still no SSL_connect
AC_MSG_RESULT(no)
LIBS=$OLIBS
else
AC_MSG_RESULT(yes)
fi
fi
dnl Check for SSLeay headers
AC_CHECK_HEADERS(openssl/x509.h openssl/rsa.h openssl/crypto.h \
openssl/pem.h openssl/ssl.h openssl/err.h,
OPENSSL_ENABLED=1)
if test $ac_cv_header_openssl_x509_h = no; then
AC_CHECK_HEADERS(x509.h rsa.h crypto.h pem.h ssl.h err.h,
OPENSSL_ENABLED=1)
fi
dnl Check for the OpenSSL engine header, it is kind of "separated"
dnl from the main SSL check
AC_CHECK_HEADERS(openssl/engine.h)
AC_SUBST(OPENSSL_ENABLED)
fi
if test X"$OPT_SSL" != Xoff &&
test "$OPENSSL_ENABLED" != "1"; then
AC_MSG_ERROR([OpenSSL libs and/or directories were not found where specified!])
fi
dnl these can only exist if openssl exists
AC_CHECK_FUNCS( RAND_status \
RAND_screen \
RAND_egd )
fi
dnl **********************************************************************
dnl Check for the presence of ZLIB libraries and headers
dnl **********************************************************************
dnl Default to compiler & linker defaults for files & libraries.
dnl OPT_ZLIB=no
dnl AC_ARG_WITH(zlib,dnl
dnl [ --with-zlib[=DIR] where to look for ZLIB [compiler/linker default paths]
dnl DIR points to the ZLIB installation prefix [/usr/local]],
dnl OPT_ZLIB=$withval,
dnl )
dnl Check for & handle argument to --with-zlib.
dnl
dnl NOTE: We *always* look for ZLIB headers & libraries, all this option
dnl does is change where we look (by adjusting LIBS and CPPFLAGS.)
dnl
dnl AC_MSG_CHECKING(where to look for ZLIB)
dnl if test X"$OPT_ZLIB" = Xno
dnl then
dnl AC_MSG_RESULT([defaults (or given in environment)])
dnl else
dnl test X"$OPT_ZLIB" = Xyes && OPT_ZLIB=/usr/local
dnl LIBS="$LIBS -L$OPT_ZLIB/lib"
dnl CPPFLAGS="$CPPFLAGS -I$OPT_ZLIB/include"
dnl AC_MSG_RESULT([$OPT_ZLIB])
dnl fi
dnl z lib?
dnl AC_CHECK_FUNC(gzread, , AC_CHECK_LIB(z, gzread))
dnl Default is to try the thread-safe versions of a few functions
OPT_THREAD=on
AC_ARG_ENABLE(thread,dnl
[ --disable-thread tell configure to not look for thread-safe functions],
OPT_THREAD=off
)
if test X"$OPT_THREAD" = Xoff
then
AC_MSG_WARN(libcurl will not get built using thread-safe functions)
AC_DEFINE(DISABLED_THREADSAFE, 1, \
Set to explicitly specify we don't want to use thread-safe functions)
else
dnl dig around for gethostbyname_r()
CURL_CHECK_GETHOSTBYNAME_R()
dnl dig around for gethostbyaddr_r()
CURL_CHECK_GETHOSTBYADDR_R()
dnl poke around for inet_ntoa_r()
CURL_CHECK_INET_NTOA_R()
dnl is there a localtime_r()
CURL_CHECK_LOCALTIME_R()
AC_CHECK_FUNCS( gmtime_r )
fi
dnl **********************************************************************
dnl Back to "normal" configuring
dnl **********************************************************************
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS( \
unistd.h \
malloc.h \
stdlib.h \
arpa/inet.h \
net/if.h \
netinet/in.h \
netinet/if_ether.h \
netdb.h \
sys/select.h \
sys/socket.h \
sys/sockio.h \
sys/stat.h \
sys/types.h \
sys/time.h \
sys/param.h \
termios.h \
termio.h \
sgtty.h \
fcntl.h \
dlfcn.h \
alloca.h \
winsock.h \
time.h \
io.h \
pwd.h \
utime.h \
sys/utime.h
)
dnl Check for libz header
dnl AC_CHECK_HEADERS(zlib.h)
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T
AC_HEADER_TIME
# mprintf() checks:
# check for 'long double'
# AC_CHECK_SIZEOF(long double, 8)
# check for 'long long'
# AC_CHECK_SIZEOF(long long, 4)
# check for ssize_t
AC_CHECK_TYPE(ssize_t, int)
TYPE_SOCKLEN_T
TYPE_IN_ADDR_T
dnl Checks for library functions.
dnl AC_PROG_GCC_TRADITIONAL
AC_TYPE_SIGNAL
dnl AC_FUNC_VPRINTF
AC_CHECK_FUNCS( socket \
select \
strdup \
strstr \
strtok_r \
strftime \
uname \
strcasecmp \
stricmp \
strcmpi \
gethostname \
gethostbyaddr \
gettimeofday \
inet_addr \
inet_ntoa \
tcsetattr \
tcgetattr \
perror \
closesocket \
setvbuf \
sigaction \
signal \
getpass_r \
strlcat \
getpwuid \
geteuid \
dlopen \
utime
)
dnl removed 'getpass' check on October 26, 2000
if test "$ac_cv_func_select" != "yes"; then
AC_MSG_ERROR(Can't work without an existing select() function)
fi
if test "$ac_cv_func_socket" != "yes"; then
AC_MSG_ERROR(Can't work without an existing socket() function)
fi
AC_PATH_PROG( PERL, perl, ,
$PATH:/usr/local/bin/perl:/usr/bin/:/usr/local/bin )
AC_SUBST(PERL)
AC_PATH_PROGS( NROFF, gnroff nroff, ,
$PATH:/usr/bin/:/usr/local/bin )
AC_SUBST(NROFF)
AC_PROG_YACC
dnl AC_PATH_PROG( RANLIB, ranlib, /usr/bin/ranlib,
dnl $PATH:/usr/bin/:/usr/local/bin )
dnl AC_SUBST(RANLIB)
AC_CONFIG_FILES([Makefile \
docs/Makefile \
docs/examples/Makefile \
include/Makefile \
include/curl/Makefile \
src/Makefile \
multi/Makefile \
lib/Makefile \
tests/Makefile \
tests/data/Makefile \
packages/Makefile \
packages/Win32/Makefile \
packages/Win32/cygwin/Makefile \
packages/Linux/Makefile \
packages/Linux/RPM/Makefile \
packages/Linux/RPM/curl.spec \
packages/Linux/RPM/curl-ssl.spec \
packages/Solaris/Makefile \
curl-config
])
AC_OUTPUT
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