curl/configure.in

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dnl $Id$
dnl Process this file with autoconf to produce a configure script.
AC_INIT(lib/urldata.h)
AM_CONFIG_HEADER(config.h src/config.h)
VERSION=`sed -ne 's/^#define LIBCURL_VERSION "\(.*\)"/\1/p' ${srcdir}/include/curl/curl.h`
AM_INIT_AUTOMAKE(curl,$VERSION)
AM_PROG_LIBTOOL
dnl
dnl Detect the canonical host and target build environment
dnl
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
dnl Checks for programs.
AC_PROG_CC
dnl Check for AIX weirdos
AC_AIX
dnl check for how to do large files
AC_SYS_LARGEFILE
dnl The install stuff has already been taken care of by the automake stuff
dnl AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_DEFUN(CURL_CHECK_LOCALTIME_R,
[
dnl check for a few thread-safe functions
AC_CHECK_FUNCS(localtime_r,[
AC_MSG_CHECKING(whether localtime_r is declared)
AC_EGREP_CPP(localtime_r,[
#include <time.h>],[
AC_MSG_RESULT(yes)],[
AC_MSG_RESULT(no)
AC_MSG_CHECKING(whether localtime_r with -D_REENTRANT is declared)
AC_EGREP_CPP(localtime_r,[
#define _REENTRANT
#include <time.h>],[
AC_DEFINE(NEED_REENTRANT)
AC_MSG_RESULT(yes)],
AC_MSG_RESULT(no))])])
])
AC_DEFUN(CURL_CHECK_INET_NTOA_R,
[
dnl determine if function definition for inet_ntoa_r exists.
AC_CHECK_FUNCS(inet_ntoa_r,[
AC_MSG_CHECKING(whether inet_ntoa_r is declared)
AC_EGREP_CPP(inet_ntoa_r,[
#include <arpa/inet.h>],[
AC_DEFINE(HAVE_INET_NTOA_R_DECL)
AC_MSG_RESULT(yes)],[
AC_MSG_RESULT(no)
AC_MSG_CHECKING(whether inet_ntoa_r with -D_REENTRANT is declared)
AC_EGREP_CPP(inet_ntoa_r,[
#define _REENTRANT
#include <arpa/inet.h>],[
AC_DEFINE(HAVE_INET_NTOA_R_DECL)
AC_DEFINE(NEED_REENTRANT)
AC_MSG_RESULT(yes)],
AC_MSG_RESULT(no))])])
])
AC_DEFUN(CURL_CHECK_GETHOSTBYADDR_R,
[
dnl check for number of arguments to gethostbyaddr_r. it might take
dnl either 5, 7, or 8 arguments.
AC_CHECK_FUNCS(gethostbyaddr_r,[
AC_MSG_CHECKING(if gethostbyaddr_r takes 5 arguments)
AC_TRY_COMPILE([
#include <sys/types.h>
#include <netdb.h>],[
char * address;
int length;
int type;
struct hostent h;
struct hostent_data hdata;
int rc;
rc = gethostbyaddr_r(address, length, type, &h, &hdata);],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GETHOSTBYADDR_R_5)
ac_cv_gethostbyaddr_args=5],[
AC_MSG_RESULT(no)
AC_MSG_CHECKING(if gethostbyaddr_r with -D_REENTRANT takes 5 arguments)
AC_TRY_COMPILE([
#define _REENTRANT
#include <sys/types.h>
#include <netdb.h>],[
char * address;
int length;
int type;
struct hostent h;
struct hostent_data hdata;
int rc;
rc = gethostbyaddr_r(address, length, type, &h, &hdata);],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GETHOSTBYADDR_R_5)
AC_DEFINE(NEED_REENTRANT)
ac_cv_gethostbyaddr_args=5],[
AC_MSG_RESULT(no)
AC_MSG_CHECKING(if gethostbyaddr_r takes 7 arguments)
AC_TRY_COMPILE([
#include <sys/types.h>
#include <netdb.h>],[
char * address;
int length;
int type;
struct hostent h;
char buffer[8192];
int h_errnop;
struct hostent * hp;
hp = gethostbyaddr_r(address, length, type, &h,
buffer, 8192, &h_errnop);],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GETHOSTBYADDR_R_7)
ac_cv_gethostbyaddr_args=7],[
AC_MSG_RESULT(no)
AC_MSG_CHECKING(if gethostbyaddr_r takes 8 arguments)
AC_TRY_COMPILE([
#include <sys/types.h>
#include <netdb.h>],[
char * address;
int length;
int type;
struct hostent h;
char buffer[8192];
int h_errnop;
struct hostent * hp;
int rc;
rc = gethostbyaddr_r(address, length, type, &h,
buffer, 8192, &hp, &h_errnop);],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GETHOSTBYADDR_R_8)
ac_cv_gethostbyaddr_args=8],[
AC_MSG_RESULT(no)
have_missing_r_funcs="$have_missing_r_funcs gethostbyaddr_r"])])])])])
])
AC_DEFUN(CURL_CHECK_GETHOSTBYNAME_R,
[
dnl check for number of arguments to gethostbyname_r. it might take
dnl either 3, 5, or 6 arguments.
AC_CHECK_FUNCS(gethostbyname_r,[
AC_MSG_CHECKING(if gethostbyname_r takes 3 arguments)
AC_TRY_RUN([
#include <string.h>
#include <sys/types.h>
#include <netdb.h>
int
main () {
struct hostent h;
struct hostent_data hdata;
char *name = "localhost";
int rc;
memset(&h, 0, sizeof(struct hostent));
memset(&hdata, 0, sizeof(struct hostent_data));
rc = gethostbyname_r(name, &h, &hdata);
exit (rc != 0 ? 1 : 0); }],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GETHOSTBYNAME_R_3)
ac_cv_gethostbyname_args=3],[
AC_MSG_RESULT(no)
AC_MSG_CHECKING(if gethostbyname_r with -D_REENTRANT takes 3 arguments)
AC_TRY_RUN([
#define _REENTRANT
#include <string.h>
#include <sys/types.h>
#include <netdb.h>
int
main () {
struct hostent h;
struct hostent_data hdata;
char *name = "localhost";
int rc;
memset(&h, 0, sizeof(struct hostent));
memset(&hdata, 0, sizeof(struct hostent_data));
rc = gethostbyname_r(name, &h, &hdata);
exit (rc != 0 ? 1 : 0); }],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GETHOSTBYNAME_R_3)
AC_DEFINE(NEED_REENTRANT)
ac_cv_gethostbyname_args=3],[
AC_MSG_RESULT(no)
AC_MSG_CHECKING(if gethostbyname_r takes 5 arguments)
AC_TRY_RUN([
#include <sys/types.h>
#include <netdb.h>
int
main () {
struct hostent *hp;
struct hostent h;
char *name = "localhost";
char buffer[8192];
int h_errno;
hp = gethostbyname_r(name, &h, buffer, 8192, &h_errno);
exit (hp == NULL ? 1 : 0); }],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GETHOSTBYNAME_R_5)
ac_cv_gethostbyname_args=5],[
AC_MSG_RESULT(no)
AC_MSG_CHECKING(if gethostbyname_r takes 6 arguments)
AC_TRY_RUN([
#include <sys/types.h>
#include <netdb.h>
int
main () {
struct hostent h;
struct hostent *hp;
char *name = "localhost";
char buf[8192];
int rc;
int h_errno;
rc = gethostbyname_r(name, &h, buf, 8192, &hp, &h_errno);
exit (rc != 0 ? 1 : 0); }],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GETHOSTBYNAME_R_6)
ac_cv_gethostbyname_args=6],[
AC_MSG_RESULT(no)
have_missing_r_funcs="$have_missing_r_funcs gethostbyname_r"],
[ac_cv_gethostbyname_args=0])],
[ac_cv_gethostbyname_args=0])],
[ac_cv_gethostbyname_args=0])],
[ac_cv_gethostbyname_args=0])])
])
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 "$enableval" in
no)
AC_MSG_RESULT(no)
ipv6=no
;;
*) AC_MSG_RESULT(yes)
AC_DEFINE(ENABLE_IPV6)
ipv6=yes
;;
esac ],
AC_TRY_RUN([ /* is AF_INET6 available? */
#include <sys/types.h>
#include <sys/socket.h>
main()
{
if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
exit(1);
else
exit(0);
}
],
AC_MSG_RESULT(yes)
AC_DEFINE(ENABLE_IPV6)
ipv6=yes,
AC_MSG_RESULT(no)
ipv6=no,
AC_MSG_RESULT(no)
ipv6=no
))
dnl **********************************************************************
dnl Checks for libraries.
dnl **********************************************************************
dnl gethostbyname in the nsl lib?
AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, gethostbyname))
if test "$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 $LIBS"],
,
-lnsl)
fi
dnl socket lib?
AC_CHECK_FUNC(connect, , AC_CHECK_LIB(socket, connect))
dnl ucb lib?
AC_CHECK_FUNC(gethostname, , AC_CHECK_LIB(ucb, gethostname))
dnl dl lib?
AC_CHECK_FUNC(dlopen, , AC_CHECK_LIB(dl, dlopen))
dnl **********************************************************************
dnl Check for the presence of Kerberos4 libraries and headers
dnl **********************************************************************
AC_ARG_WITH(krb4-includes,
[ --with-krb4-includes[=DIR] Specify location of kerberos4 headers],[
CPPFLAGS="$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
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 $LIBS"
dnl Check for function krb_get_our_ip_for_realm
dnl this is needed for NAT networks
AC_CHECK_FUNCS(krb_get_our_ip_for_realm)
dnl add define KRB4
AC_DEFINE(KRB4)
dnl the krb4 stuff needs a strlcpy()
AC_CHECK_FUNCS(strlcpy)
])
])
else
AC_MSG_RESULT(no)
fi
dnl **********************************************************************
dnl Check for the presence of SSL libraries and headers
dnl **********************************************************************
dnl Default to compiler & linker defaults for SSL files & libraries.
OPT_SSL=off
AC_ARG_WITH(ssl,dnl
[ --with-ssl[=DIR] where to look for SSL [compiler/linker default paths]
DIR points to the SSL installation [/usr/local/ssl]],
OPT_SSL=$withval
)
if test X"$OPT_SSL" = Xno
then
AC_MSG_WARN(SSL/https support disabled)
else
dnl Check for & handle argument to --with-ssl.
AC_MSG_CHECKING(where to look for SSL)
if test X"$OPT_SSL" = Xoff
then
AC_MSG_RESULT([defaults (or given in environment)])
else
test X"$OPT_SSL" = Xyes && OPT_SSL=/usr/local/ssl
dnl LIBS="$LIBS -L$OPT_SSL/lib"
LDFLAGS="$LDFLAGS -L$OPT_SSL/lib"
CPPFLAGS="$CPPFLAGS -I$OPT_SSL/include/openssl -I$OPT_SSL/include"
AC_MSG_RESULT([$OPT_SSL])
fi
dnl check for crypto libs (part of SSLeay)
AC_CHECK_LIB(crypto, CRYPTO_lock)
if test $ac_cv_lib_crypto_CRYPTO_lock = yes; then
dnl This is only reasonable to do if crypto actually is there: check for
dnl SSL libs NOTE: it is important to do this AFTER the crypto lib
AC_CHECK_LIB(ssl, SSL_connect)
if test "$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)
if test $ac_cv_header_openssl_x509_h = no; then
AC_CHECK_HEADERS(x509.h rsa.h crypto.h pem.h ssl.h err.h)
fi
fi
dnl these can only exist if openssl exists
AC_CHECK_FUNCS( RAND_status \
RAND_screen )
fi
dnl **********************************************************************
dnl Check for the presence of ZLIB libraries and headers
dnl **********************************************************************
dnl Default to compiler & linker defaults for files & libraries.
dnl OPT_ZLIB=no
dnl AC_ARG_WITH(zlib,dnl
dnl [ --with-zlib[=DIR] where to look for ZLIB [compiler/linker default paths]
dnl DIR points to the ZLIB installation prefix [/usr/local]],
dnl OPT_ZLIB=$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()
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 \
getopt.h \
sys/param.h \
termios.h \
termio.h \
sgtty.h \
fcntl.h \
dlfcn.h \
alloca.h \
winsock.h \
time.h \
io.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)
dnl Get system canonical name
AC_CANONICAL_HOST
AC_DEFINE_UNQUOTED(OS, "${host}")
dnl Checks for library functions.
dnl AC_PROG_GCC_TRADITIONAL
AC_TYPE_SIGNAL
dnl AC_FUNC_VPRINTF
AC_CHECK_FUNCS( socket \
select \
strdup \
strstr \
strftime \
uname \
strcasecmp \
stricmp \
strcmpi \
gethostname \
gethostbyaddr \
getservbyname \
gettimeofday \
inet_addr \
inet_ntoa \
tcsetattr \
tcgetattr \
perror \
closesocket \
setvbuf \
sigaction \
signal \
getpass_r
)
dnl removed 'getpass' check on October 26, 2000
if test "$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_OUTPUT( Makefile \
docs/Makefile \
docs/examples/Makefile \
include/Makefile \
include/curl/Makefile \
src/Makefile \
lib/Makefile \
tests/Makefile \
tests/data/Makefile \
packages/Makefile \
packages/Win32/Makefile \
packages/Linux/Makefile \
packages/Linux/RPM/Makefile \
packages/Linux/RPM/curl.spec \
packages/Linux/RPM/curl-ssl.spec )