# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
-# Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
+# Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
-# are also available at http://curl.haxx.se/docs/copyright.html.
+# are also available at https://curl.haxx.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
#
#***************************************************************************
-
dnl CURL_CHECK_DEF (SYMBOL, [INCLUDES], [SILENT])
dnl -------------------------------------------------
dnl Use the C preprocessor to find out if the given object-style symbol
dnl actually be a single double-quoted string concatenating all them.
AC_DEFUN([CURL_CHECK_DEF], [
+ AC_REQUIRE([CURL_CPP_P])dnl
+ OLDCPPFLAGS=$CPPFLAGS
+ # CPPPFLAG comes from CURL_CPP_P
+ CPPFLAGS="$CPPFLAGS $CPPPFLAG"
AS_VAR_PUSHDEF([ac_HaveDef], [curl_cv_have_def_$1])dnl
AS_VAR_PUSHDEF([ac_Def], [curl_cv_def_$1])dnl
if test -z "$SED"; then
],[
tmp_exp=`eval "$ac_cpp conftest.$ac_ext" 2>/dev/null | \
"$GREP" CURL_DEF_TOKEN 2>/dev/null | \
- "$SED" 's/.*CURL_DEF_TOKEN[[ ]]//' 2>/dev/null | \
+ "$SED" 's/.*CURL_DEF_TOKEN[[ ]][[ ]]*//' 2>/dev/null | \
"$SED" 's/[["]][[ ]]*[["]]//g' 2>/dev/null`
if test -z "$tmp_exp" || test "$tmp_exp" = "$1"; then
tmp_exp=""
fi
AS_VAR_POPDEF([ac_Def])dnl
AS_VAR_POPDEF([ac_HaveDef])dnl
+ CPPFLAGS=$OLDCPPFLAGS
])
]])
],[
tst_lib_xnet_required="yes"
- LIBS="$LIBS -lxnet"
+ LIBS="-lxnet $LIBS"
])
AC_MSG_RESULT([$tst_lib_xnet_required])
])
#endif])
AC_BEFORE([$0], [AC_SYS_LARGEFILE])dnl
AC_BEFORE([$0], [CURL_CONFIGURE_REENTRANT])dnl
+ AC_BEFORE([$0], [CURL_CONFIGURE_PULL_SYS_POLL])dnl
AC_MSG_CHECKING([if OS is AIX (to define _ALL_SOURCE)])
AC_EGREP_CPP([yes_this_is_aix],[
#ifdef _AIX
dnl Check for compilable and valid windows.h header
AC_DEFUN([CURL_CHECK_HEADER_WINDOWS], [
- AC_CACHE_CHECK([for windows.h], [ac_cv_header_windows_h], [
+ AC_CACHE_CHECK([for windows.h], [curl_cv_header_windows_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#endif
]])
],[
- ac_cv_header_windows_h="yes"
+ curl_cv_header_windows_h="yes"
],[
- ac_cv_header_windows_h="no"
+ curl_cv_header_windows_h="no"
])
])
- case "$ac_cv_header_windows_h" in
+ case "$curl_cv_header_windows_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_WINDOWS_H, 1,
[Define to 1 if you have the windows.h header file.])
AC_DEFUN([CURL_CHECK_NATIVE_WINDOWS], [
AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
- AC_CACHE_CHECK([whether build target is a native Windows one], [ac_cv_native_windows], [
- if test "$ac_cv_header_windows_h" = "no"; then
- ac_cv_native_windows="no"
+ AC_CACHE_CHECK([whether build target is a native Windows one], [curl_cv_native_windows], [
+ if test "$curl_cv_header_windows_h" = "no"; then
+ curl_cv_native_windows="no"
else
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#endif
]])
],[
- ac_cv_native_windows="yes"
+ curl_cv_native_windows="yes"
],[
- ac_cv_native_windows="no"
+ curl_cv_native_windows="no"
])
fi
])
- case "$ac_cv_native_windows" in
- yes)
- AC_DEFINE_UNQUOTED(NATIVE_WINDOWS, 1,
- [Define to 1 if you are building a native Windows target.])
- ;;
- esac
+ AM_CONDITIONAL(DOING_NATIVE_WINDOWS, test "x$curl_cv_native_windows" = xyes)
])
AC_DEFUN([CURL_CHECK_HEADER_WINSOCK], [
AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
- AC_CACHE_CHECK([for winsock.h], [ac_cv_header_winsock_h], [
+ AC_CACHE_CHECK([for winsock.h], [curl_cv_header_winsock_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#endif
]])
],[
- ac_cv_header_winsock_h="yes"
+ curl_cv_header_winsock_h="yes"
],[
- ac_cv_header_winsock_h="no"
+ curl_cv_header_winsock_h="no"
])
])
- case "$ac_cv_header_winsock_h" in
+ case "$curl_cv_header_winsock_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_WINSOCK_H, 1,
[Define to 1 if you have the winsock.h header file.])
AC_DEFUN([CURL_CHECK_HEADER_WINSOCK2], [
AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
- AC_CACHE_CHECK([for winsock2.h], [ac_cv_header_winsock2_h], [
+ AC_CACHE_CHECK([for winsock2.h], [curl_cv_header_winsock2_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#endif
]])
],[
- ac_cv_header_winsock2_h="yes"
+ curl_cv_header_winsock2_h="yes"
],[
- ac_cv_header_winsock2_h="no"
+ curl_cv_header_winsock2_h="no"
])
])
- case "$ac_cv_header_winsock2_h" in
+ case "$curl_cv_header_winsock2_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_WINSOCK2_H, 1,
[Define to 1 if you have the winsock2.h header file.])
AC_DEFUN([CURL_CHECK_HEADER_WS2TCPIP], [
AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl
- AC_CACHE_CHECK([for ws2tcpip.h], [ac_cv_header_ws2tcpip_h], [
+ AC_CACHE_CHECK([for ws2tcpip.h], [curl_cv_header_ws2tcpip_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#endif
]])
],[
- ac_cv_header_ws2tcpip_h="yes"
+ curl_cv_header_ws2tcpip_h="yes"
],[
- ac_cv_header_ws2tcpip_h="no"
+ curl_cv_header_ws2tcpip_h="no"
])
])
- case "$ac_cv_header_ws2tcpip_h" in
+ case "$curl_cv_header_ws2tcpip_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_WS2TCPIP_H, 1,
[Define to 1 if you have the ws2tcpip.h header file.])
AC_DEFUN([CURL_CHECK_HEADER_WINLDAP], [
AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
- AC_CACHE_CHECK([for winldap.h], [ac_cv_header_winldap_h], [
+ AC_CACHE_CHECK([for winldap.h], [curl_cv_header_winldap_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#endif
]])
],[
- ac_cv_header_winldap_h="yes"
+ curl_cv_header_winldap_h="yes"
],[
- ac_cv_header_winldap_h="no"
+ curl_cv_header_winldap_h="no"
])
])
- case "$ac_cv_header_winldap_h" in
+ case "$curl_cv_header_winldap_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_WINLDAP_H, 1,
[Define to 1 if you have the winldap.h header file.])
AC_DEFUN([CURL_CHECK_HEADER_WINBER], [
AC_REQUIRE([CURL_CHECK_HEADER_WINLDAP])dnl
- AC_CACHE_CHECK([for winber.h], [ac_cv_header_winber_h], [
+ AC_CACHE_CHECK([for winber.h], [curl_cv_header_winber_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#endif
]])
],[
- ac_cv_header_winber_h="yes"
+ curl_cv_header_winber_h="yes"
],[
- ac_cv_header_winber_h="no"
+ curl_cv_header_winber_h="no"
])
])
- case "$ac_cv_header_winber_h" in
+ case "$curl_cv_header_winber_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_WINBER_H, 1,
[Define to 1 if you have the winber.h header file.])
AC_DEFUN([CURL_CHECK_HEADER_LBER], [
AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
- AC_CACHE_CHECK([for lber.h], [ac_cv_header_lber_h], [
+ AC_CACHE_CHECK([for lber.h], [curl_cv_header_lber_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
ber_free(bep, 1);
]])
],[
- ac_cv_header_lber_h="yes"
+ curl_cv_header_lber_h="yes"
],[
- ac_cv_header_lber_h="no"
+ curl_cv_header_lber_h="no"
])
])
- if test "$ac_cv_header_lber_h" = "yes"; then
+ if test "$curl_cv_header_lber_h" = "yes"; then
AC_DEFINE_UNQUOTED(HAVE_LBER_H, 1,
[Define to 1 if you have the lber.h header file.])
#
AC_DEFUN([CURL_CHECK_HEADER_LDAP], [
AC_REQUIRE([CURL_CHECK_HEADER_LBER])dnl
- AC_CACHE_CHECK([for ldap.h], [ac_cv_header_ldap_h], [
+ AC_CACHE_CHECK([for ldap.h], [curl_cv_header_ldap_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
int res = ldap_unbind(ldp);
]])
],[
- ac_cv_header_ldap_h="yes"
+ curl_cv_header_ldap_h="yes"
],[
- ac_cv_header_ldap_h="no"
+ curl_cv_header_ldap_h="no"
])
])
- case "$ac_cv_header_ldap_h" in
+ case "$curl_cv_header_ldap_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_LDAP_H, 1,
[Define to 1 if you have the ldap.h header file.])
AC_DEFUN([CURL_CHECK_HEADER_LDAP_SSL], [
AC_REQUIRE([CURL_CHECK_HEADER_LDAP])dnl
- AC_CACHE_CHECK([for ldap_ssl.h], [ac_cv_header_ldap_ssl_h], [
+ AC_CACHE_CHECK([for ldap_ssl.h], [curl_cv_header_ldap_ssl_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
LDAP *ldp = ldapssl_init("dummy", LDAPS_PORT, 1);
]])
],[
- ac_cv_header_ldap_ssl_h="yes"
+ curl_cv_header_ldap_ssl_h="yes"
],[
- ac_cv_header_ldap_ssl_h="no"
+ curl_cv_header_ldap_ssl_h="no"
])
])
- case "$ac_cv_header_ldap_ssl_h" in
+ case "$curl_cv_header_ldap_ssl_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_LDAP_SSL_H, 1,
[Define to 1 if you have the ldap_ssl.h header file.])
AC_DEFUN([CURL_CHECK_HEADER_LDAPSSL], [
AC_REQUIRE([CURL_CHECK_HEADER_LDAP])dnl
- AC_CACHE_CHECK([for ldapssl.h], [ac_cv_header_ldapssl_h], [
+ AC_CACHE_CHECK([for ldapssl.h], [curl_cv_header_ldapssl_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
LDAP *ldp = ldap_ssl_init("dummy", LDAPS_PORT, cert_label);
]])
],[
- ac_cv_header_ldapssl_h="yes"
+ curl_cv_header_ldapssl_h="yes"
],[
- ac_cv_header_ldapssl_h="no"
+ curl_cv_header_ldapssl_h="no"
])
])
- case "$ac_cv_header_ldapssl_h" in
+ case "$curl_cv_header_ldapssl_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_LDAPSSL_H, 1,
[Define to 1 if you have the ldapssl.h header file.])
dnl and check if it is needed even with stdlib.h
AC_DEFUN([CURL_CHECK_HEADER_MALLOC], [
- AC_CACHE_CHECK([for malloc.h], [ac_cv_header_malloc_h], [
+ AC_CACHE_CHECK([for malloc.h], [curl_cv_header_malloc_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#include <malloc.h>
free(q);
]])
],[
- ac_cv_header_malloc_h="yes"
+ curl_cv_header_malloc_h="yes"
],[
- ac_cv_header_malloc_h="no"
+ curl_cv_header_malloc_h="no"
])
])
- if test "$ac_cv_header_malloc_h" = "yes"; then
+ if test "$curl_cv_header_malloc_h" = "yes"; then
AC_DEFINE_UNQUOTED(HAVE_MALLOC_H, 1,
[Define to 1 if you have the malloc.h header file.])
#
dnl memory related functions.
AC_DEFUN([CURL_CHECK_HEADER_MEMORY], [
- AC_CACHE_CHECK([for memory.h], [ac_cv_header_memory_h], [
+ AC_CACHE_CHECK([for memory.h], [curl_cv_header_memory_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#include <memory.h>
free(q);
]])
],[
- ac_cv_header_memory_h="yes"
+ curl_cv_header_memory_h="yes"
],[
- ac_cv_header_memory_h="no"
+ curl_cv_header_memory_h="no"
])
])
- if test "$ac_cv_header_memory_h" = "yes"; then
+ if test "$curl_cv_header_memory_h" = "yes"; then
AC_DEFINE_UNQUOTED(HAVE_MEMORY_H, 1,
[Define to 1 if you have the memory.h header file.])
#
#
AC_DEFINE_UNQUOTED(HAVE_GETNAMEINFO, 1,
[Define to 1 if you have the getnameinfo function.])
- ac_cv_func_getnameinfo="yes"
+ curl_cv_func_getnameinfo="yes"
fi
fi
])
netdb.h netinet/in.h arpa/inet.h)
#
AC_CACHE_CHECK([for working NI_WITHSCOPEID],
- [ac_cv_working_ni_withscopeid], [
+ [curl_cv_working_ni_withscopeid], [
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[
#ifdef HAVE_STDLIB_H
]]) # AC-LANG-PROGRAM
],[
# Exit code == 0. Program worked.
- ac_cv_working_ni_withscopeid="yes"
+ curl_cv_working_ni_withscopeid="yes"
],[
# Exit code != 0. Program failed.
- ac_cv_working_ni_withscopeid="no"
+ curl_cv_working_ni_withscopeid="no"
],[
# Program is not run when cross-compiling. So we assume
# NI_WITHSCOPEID will work if we are able to compile it.
unsigned int dummy= NI_NUMERICHOST | NI_NUMERICSERV | NI_WITHSCOPEID;
]])
],[
- ac_cv_working_ni_withscopeid="yes"
+ curl_cv_working_ni_withscopeid="yes"
],[
- ac_cv_working_ni_withscopeid="no"
+ curl_cv_working_ni_withscopeid="no"
]) # AC-COMPILE-IFELSE
]) # AC-RUN-IFELSE
]) # AC-CACHE-CHECK
- case "$ac_cv_working_ni_withscopeid" in
+ case "$curl_cv_working_ni_withscopeid" in
yes)
AC_DEFINE(HAVE_NI_WITHSCOPEID, 1,
[Define to 1 if NI_WITHSCOPEID exists and works.])
#
AC_DEFINE_UNQUOTED(HAVE_RECV, 1,
[Define to 1 if you have the recv function.])
- ac_cv_func_recv="yes"
+ curl_cv_func_recv="yes"
fi
else
AC_MSG_ERROR([Unable to link function recv])
#
AC_DEFINE_UNQUOTED(HAVE_SEND, 1,
[Define to 1 if you have the send function.])
- ac_cv_func_send="yes"
+ curl_cv_func_send="yes"
fi
else
AC_MSG_ERROR([Unable to link function send])
fi
])
-
-dnl CURL_CHECK_FUNC_RECVFROM
-dnl -------------------------------------------------
-dnl Test if the socket recvfrom() function is available,
-dnl and check its return type and the types of its
-dnl arguments. If the function succeeds HAVE_RECVFROM
-dnl will be defined, defining the types of the arguments
-dnl in RECVFROM_TYPE_ARG1, RECVFROM_TYPE_ARG2, and so on
-dnl to RECVFROM_TYPE_ARG6, defining also the type of the
-dnl function return value in RECVFROM_TYPE_RETV.
-dnl Notice that the types returned for pointer arguments
-dnl will actually be the type pointed by the pointer.
-
-AC_DEFUN([CURL_CHECK_FUNC_RECVFROM], [
- AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK])dnl
- AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl
- AC_CHECK_HEADERS(sys/types.h sys/socket.h)
- #
- AC_MSG_CHECKING([for recvfrom])
- AC_LINK_IFELSE([
- AC_LANG_PROGRAM([[
-#undef inline
-#ifdef HAVE_WINDOWS_H
-#ifndef WIN32_LEAN_AND_MEAN
-#define WIN32_LEAN_AND_MEAN
-#endif
-#include <windows.h>
-#ifdef HAVE_WINSOCK2_H
-#include <winsock2.h>
-#else
-#ifdef HAVE_WINSOCK_H
-#include <winsock.h>
-#endif
-#endif
-#else
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-#endif
- ]],[[
- recvfrom(0, 0, 0, 0, 0, 0);
- ]])
- ],[
- AC_MSG_RESULT([yes])
- curl_cv_recvfrom="yes"
- ],[
- AC_MSG_RESULT([no])
- curl_cv_recvfrom="no"
- ])
- #
- if test "$curl_cv_recvfrom" = "yes"; then
- AC_CACHE_CHECK([types of args and return type for recvfrom],
- [curl_cv_func_recvfrom_args], [
- curl_cv_func_recvfrom_args="unknown"
- for recvfrom_retv in 'int' 'ssize_t'; do
- for recvfrom_arg1 in 'int' 'ssize_t' 'SOCKET'; do
- for recvfrom_arg2 in 'char *' 'void *'; do
- for recvfrom_arg3 in 'size_t' 'int' 'socklen_t' 'unsigned int'; do
- for recvfrom_arg4 in 'int' 'unsigned int'; do
- for recvfrom_arg5 in 'struct sockaddr *' 'void *'; do
- for recvfrom_arg6 in 'socklen_t *' 'int *' 'unsigned int *' 'size_t *' 'void *'; do
- if test "$curl_cv_func_recvfrom_args" = "unknown"; then
- AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([[
-#undef inline
-#ifdef HAVE_WINDOWS_H
-#ifndef WIN32_LEAN_AND_MEAN
-#define WIN32_LEAN_AND_MEAN
-#endif
-#include <windows.h>
-#ifdef HAVE_WINSOCK2_H
-#include <winsock2.h>
-#else
-#ifdef HAVE_WINSOCK_H
-#include <winsock.h>
-#endif
-#endif
-#define RECVFROMCALLCONV PASCAL
-#else
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-#define RECVFROMCALLCONV
-#endif
- extern $recvfrom_retv RECVFROMCALLCONV
- recvfrom($recvfrom_arg1, $recvfrom_arg2,
- $recvfrom_arg3, $recvfrom_arg4,
- $recvfrom_arg5, $recvfrom_arg6);
- ]],[[
- $recvfrom_arg1 s=0;
- $recvfrom_arg2 buf=0;
- $recvfrom_arg3 len=0;
- $recvfrom_arg4 flags=0;
- $recvfrom_arg5 addr=0;
- $recvfrom_arg6 addrlen=0;
- $recvfrom_retv res=0;
- res = recvfrom(s, buf, len, flags, addr, addrlen);
- ]])
- ],[
- curl_cv_func_recvfrom_args="$recvfrom_arg1,$recvfrom_arg2,$recvfrom_arg3,$recvfrom_arg4,$recvfrom_arg5,$recvfrom_arg6,$recvfrom_retv"
- ])
- fi
- done
- done
- done
- done
- done
- done
- done
- ]) # AC-CACHE-CHECK
- # Nearly last minute change for this release starts here
- AC_DEFINE_UNQUOTED(HAVE_RECVFROM, 1,
- [Define to 1 if you have the recvfrom function.])
- ac_cv_func_recvfrom="yes"
- # Nearly last minute change for this release ends here
- if test "$curl_cv_func_recvfrom_args" = "unknown"; then
- AC_MSG_WARN([Cannot find proper types to use for recvfrom args])
- else
- recvfrom_prev_IFS=$IFS; IFS=','
- set dummy `echo "$curl_cv_func_recvfrom_args" | sed 's/\*/\*/g'`
- IFS=$recvfrom_prev_IFS
- shift
- #
- recvfrom_ptrt_arg2=$[2]
- recvfrom_ptrt_arg5=$[5]
- recvfrom_ptrt_arg6=$[6]
- #
- AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG1, $[1],
- [Define to the type of arg 1 for recvfrom.])
- AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG3, $[3],
- [Define to the type of arg 3 for recvfrom.])
- AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG4, $[4],
- [Define to the type of arg 4 for recvfrom.])
- AC_DEFINE_UNQUOTED(RECVFROM_TYPE_RETV, $[7],
- [Define to the function return type for recvfrom.])
- #
- prev_sh_opts=$-
- #
- case $prev_sh_opts in
- *f*)
- ;;
- *)
- set -f
- ;;
- esac
- #
- recvfrom_type_arg2=`echo $recvfrom_ptrt_arg2 | sed 's/ \*//'`
- recvfrom_type_arg5=`echo $recvfrom_ptrt_arg5 | sed 's/ \*//'`
- recvfrom_type_arg6=`echo $recvfrom_ptrt_arg6 | sed 's/ \*//'`
- #
- AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG2, $recvfrom_type_arg2,
- [Define to the type pointed by arg 2 for recvfrom.])
- AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG5, $recvfrom_type_arg5,
- [Define to the type pointed by arg 5 for recvfrom.])
- AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG6, $recvfrom_type_arg6,
- [Define to the type pointed by arg 6 for recvfrom.])
- #
- if test "$recvfrom_type_arg2" = "void"; then
- AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG2_IS_VOID, 1,
- [Define to 1 if the type pointed by arg 2 for recvfrom is void.])
- fi
- if test "$recvfrom_type_arg5" = "void"; then
- AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG5_IS_VOID, 1,
- [Define to 1 if the type pointed by arg 5 for recvfrom is void.])
- fi
- if test "$recvfrom_type_arg6" = "void"; then
- AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG6_IS_VOID, 1,
- [Define to 1 if the type pointed by arg 6 for recvfrom is void.])
- fi
- #
- case $prev_sh_opts in
- *f*)
- ;;
- *)
- set +f
- ;;
- esac
- #
- AC_DEFINE_UNQUOTED(HAVE_RECVFROM, 1,
- [Define to 1 if you have the recvfrom function.])
- ac_cv_func_recvfrom="yes"
- fi
- else
- AC_MSG_WARN([Unable to link function recvfrom])
- fi
-])
-
-
dnl CURL_CHECK_MSG_NOSIGNAL
dnl -------------------------------------------------
dnl Check for MSG_NOSIGNAL
AC_DEFUN([CURL_CHECK_MSG_NOSIGNAL], [
AC_CHECK_HEADERS(sys/types.h sys/socket.h)
- AC_CACHE_CHECK([for MSG_NOSIGNAL], [ac_cv_msg_nosignal], [
+ AC_CACHE_CHECK([for MSG_NOSIGNAL], [curl_cv_msg_nosignal], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
int flag=MSG_NOSIGNAL;
]])
],[
- ac_cv_msg_nosignal="yes"
+ curl_cv_msg_nosignal="yes"
],[
- ac_cv_msg_nosignal="no"
+ curl_cv_msg_nosignal="no"
])
])
- case "$ac_cv_msg_nosignal" in
+ case "$curl_cv_msg_nosignal" in
yes)
AC_DEFINE_UNQUOTED(HAVE_MSG_NOSIGNAL, 1,
[Define to 1 if you have the MSG_NOSIGNAL flag.])
AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK])dnl
AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl
AC_CHECK_HEADERS(sys/types.h sys/time.h time.h sys/socket.h)
- AC_CACHE_CHECK([for struct timeval], [ac_cv_struct_timeval], [
+ AC_CACHE_CHECK([for struct timeval], [curl_cv_struct_timeval], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
ts.tv_usec = 0;
]])
],[
- ac_cv_struct_timeval="yes"
+ curl_cv_struct_timeval="yes"
],[
- ac_cv_struct_timeval="no"
+ curl_cv_struct_timeval="no"
])
])
- case "$ac_cv_struct_timeval" in
+ case "$curl_cv_struct_timeval" in
yes)
AC_DEFINE_UNQUOTED(HAVE_STRUCT_TIMEVAL, 1,
[Define to 1 if you have the timeval struct.])
]])
],[
AC_MSG_RESULT([no])
- ac_cv_sig_atomic_t_volatile="no"
+ curl_cv_sig_atomic_t_volatile="no"
],[
AC_MSG_RESULT([yes])
- ac_cv_sig_atomic_t_volatile="yes"
+ curl_cv_sig_atomic_t_volatile="yes"
])
#
- if test "$ac_cv_sig_atomic_t_volatile" = "yes"; then
+ if test "$curl_cv_sig_atomic_t_volatile" = "yes"; then
AC_DEFINE(HAVE_SIG_ATOMIC_T_VOLATILE, 1,
[Define to 1 if sig_atomic_t is already defined as volatile.])
fi
AC_REQUIRE([AC_HEADER_TIME])dnl
AC_CHECK_HEADERS(sys/types.h sys/time.h time.h)
AC_MSG_CHECKING([for monotonic clock_gettime])
- AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([[
+ #
+ if test "x$dontwant_rt" == "xno" ; then
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <time.h>
#endif
#endif
- ]],[[
- struct timespec ts;
- (void)clock_gettime(CLOCK_MONOTONIC, &ts);
- ]])
- ],[
- AC_MSG_RESULT([yes])
- ac_cv_func_clock_gettime="yes"
- ],[
- AC_MSG_RESULT([no])
- ac_cv_func_clock_gettime="no"
- ])
+ ]],[[
+ struct timespec ts;
+ (void)clock_gettime(CLOCK_MONOTONIC, &ts);
+ ]])
+ ],[
+ AC_MSG_RESULT([yes])
+ curl_func_clock_gettime="yes"
+ ],[
+ AC_MSG_RESULT([no])
+ curl_func_clock_gettime="no"
+ ])
+ fi
dnl Definition of HAVE_CLOCK_GETTIME_MONOTONIC is intentionally postponed
dnl until library linking and run-time checks for clock_gettime succeed.
])
AC_DEFUN([CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC], [
AC_REQUIRE([CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC])dnl
#
- if test "$ac_cv_func_clock_gettime" = "yes"; then
+ if test "$curl_func_clock_gettime" = "yes"; then
#
AC_MSG_CHECKING([for clock_gettime in libraries])
#
X-unknown)
AC_MSG_RESULT([cannot find clock_gettime])
AC_MSG_WARN([HAVE_CLOCK_GETTIME_MONOTONIC will not be defined])
- ac_cv_func_clock_gettime="no"
+ curl_func_clock_gettime="no"
;;
X-)
AC_MSG_RESULT([no additional lib required])
- ac_cv_func_clock_gettime="yes"
+ curl_func_clock_gettime="yes"
;;
*)
if test -z "$curl_cv_save_LIBS"; then
else
LIBS="$curl_cv_gclk_LIBS $curl_cv_save_LIBS"
fi
- CURL_LIBS="$CURL_LIBS $curl_cv_gclk_LIBS"
AC_MSG_RESULT([$curl_cv_gclk_LIBS])
- ac_cv_func_clock_gettime="yes"
+ curl_func_clock_gettime="yes"
;;
esac
#
dnl only do runtime verification when not cross-compiling
if test "x$cross_compiling" != "xyes" &&
- test "$ac_cv_func_clock_gettime" = "yes"; then
+ test "$curl_func_clock_gettime" = "yes"; then
AC_MSG_CHECKING([if monotonic clock_gettime works])
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[
],[
AC_MSG_RESULT([no])
AC_MSG_WARN([HAVE_CLOCK_GETTIME_MONOTONIC will not be defined])
- ac_cv_func_clock_gettime="no"
+ curl_func_clock_gettime="no"
LIBS="$curl_cv_save_LIBS"
])
fi
#
- case "$ac_cv_func_clock_gettime" in
+ case "$curl_func_clock_gettime" in
yes)
AC_DEFINE_UNQUOTED(HAVE_CLOCK_GETTIME_MONOTONIC, 1,
[Define to 1 if you have the clock_gettime function and monotonic timer.])
AC_REQUIRE([CURL_INCLUDES_SYS_SOCKET])dnl
AC_REQUIRE([CURL_PREPROCESS_CALLCONV])dnl
#
+ AC_BEFORE([$0], [CURL_CONFIGURE_PULL_SYS_POLL])dnl
+ #
AC_MSG_CHECKING([for curl_socklen_t data type])
curl_typeof_curl_socklen_t="unknown"
for arg1 in int SOCKET; do
AC_MSG_CHECKING([size of curl_socklen_t])
curl_sizeof_curl_socklen_t="unknown"
curl_pull_headers_socklen_t="unknown"
- if test "$ac_cv_header_ws2tcpip_h" = "yes"; then
+ if test "$curl_cv_header_ws2tcpip_h" = "yes"; then
tst_pull_header_checks='none ws2tcpip'
tst_size_checks='4'
else
])
+dnl CURL_CONFIGURE_PULL_SYS_POLL
+dnl -------------------------------------------------
+dnl Find out if system header file sys/poll.h must be included by the
+dnl external interface, making appropriate definitions for template file
+dnl include/curl/curlbuild.h.in to properly configure and use the library.
+dnl
+dnl The need for the sys/poll.h inclusion arises mainly to properly
+dnl interface AIX systems which define macros 'events' and 'revents'.
+
+AC_DEFUN([CURL_CONFIGURE_PULL_SYS_POLL], [
+ AC_REQUIRE([CURL_INCLUDES_POLL])dnl
+ #
+ tst_poll_events_macro_defined="unknown"
+ #
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+ $curl_includes_poll
+ ]],[[
+#if defined(events) || defined(revents)
+ return 0;
+#else
+ force compilation error
+#endif
+ ]])
+ ],[
+ tst_poll_events_macro_defined="yes"
+ ],[
+ tst_poll_events_macro_defined="no"
+ ])
+ #
+ if test "$tst_poll_events_macro_defined" = "yes"; then
+ if test "x$ac_cv_header_sys_poll_h" = "xyes"; then
+ CURL_DEFINE_UNQUOTED([CURL_PULL_SYS_POLL_H])
+ fi
+ fi
+ #
+])
+
+
dnl CURL_CHECK_FUNC_SELECT
dnl -------------------------------------------------
dnl Test if the socket select() function is available,
#
AC_DEFINE_UNQUOTED(HAVE_SELECT, 1,
[Define to 1 if you have the select function.])
- ac_cv_func_select="yes"
+ curl_cv_func_select="yes"
fi
fi
])
-# This is only a temporary fix. This macro is here to replace the broken one
-# delivered by the automake project (including the 1.9.6 release). As soon as
-# they ship a working version we SHOULD remove this work-around.
-
-AC_DEFUN([AM_MISSING_HAS_RUN],
-[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
-test x"${MISSING+set}" = xset || MISSING="\${SHELL} \"$am_aux_dir/missing\""
-# Use eval to expand $SHELL
-if eval "$MISSING --run true"; then
- am_missing_run="$MISSING --run "
-else
- am_missing_run=
- AC_MSG_WARN([`missing' script is too old or missing])
-fi
-])
-
-
dnl CURL_VERIFY_RUNTIMELIBS
dnl -------------------------------------------------
dnl Verify that the shared libs found so far can be used when running
dnl /etc/ssl/certs/ca-certificates.crt Debian systems
dnl /etc/pki/tls/certs/ca-bundle.crt Redhat and Mandriva
dnl /usr/share/ssl/certs/ca-bundle.crt old(er) Redhat
-dnl /usr/local/share/certs/ca-root.crt FreeBSD
-dnl /etc/ssl/cert.pem OpenBSD
+dnl /usr/local/share/certs/ca-root-nss.crt FreeBSD
+dnl /etc/ssl/cert.pem OpenBSD, FreeBSD (symlink)
dnl /etc/ssl/certs/ (ca path) SUSE
AC_DEFUN([CURL_CHECK_CA_BUNDLE], [
AC_MSG_CHECKING([default CA cert bundle/path])
AC_ARG_WITH(ca-bundle,
-AC_HELP_STRING([--with-ca-bundle=FILE], [File name to use as CA bundle])
+AC_HELP_STRING([--with-ca-bundle=FILE],
+[Path to a file containing CA certificates (example: /etc/ca-bundle.crt)])
AC_HELP_STRING([--without-ca-bundle], [Don't use a default CA bundle]),
[
want_ca="$withval"
],
[ want_ca="unset" ])
AC_ARG_WITH(ca-path,
-AC_HELP_STRING([--with-ca-path=DIRECTORY], [Directory to use as CA path])
+AC_HELP_STRING([--with-ca-path=DIRECTORY],
+[Path to a directory containing CA certificates stored individually, with \
+their filenames in a hash format. This option can be used with OpenSSL, \
+GnuTLS and PolarSSL backends. Refer to OpenSSL c_rehash for details. \
+(example: /etc/certificates)])
AC_HELP_STRING([--without-ca-path], [Don't use a default CA path]),
[
want_capath="$withval"
],
[ want_capath="unset"])
+ ca_warning=" (warning: certs not found)"
+ capath_warning=" (warning: certs not found)"
+ check_capath=""
+
if test "x$want_ca" != "xno" -a "x$want_ca" != "xunset" -a \
"x$want_capath" != "xno" -a "x$want_capath" != "xunset"; then
dnl both given
- AC_MSG_ERROR([Can't specify both --with-ca-bundle and --with-ca-path.])
+ ca="$want_ca"
+ capath="$want_capath"
elif test "x$want_ca" != "xno" -a "x$want_ca" != "xunset"; then
dnl --with-ca-bundle given
ca="$want_ca"
capath="no"
elif test "x$want_capath" != "xno" -a "x$want_capath" != "xunset"; then
dnl --with-ca-path given
- if test "x$OPENSSL_ENABLED" != "x1"; then
- AC_MSG_ERROR([--with-ca-path only works with openSSL])
+ if test "x$OPENSSL_ENABLED" != "x1" -a "x$GNUTLS_ENABLED" != "x1" -a "x$POLARSSL_ENABLED" != "x1"; then
+ AC_MSG_ERROR([--with-ca-path only works with OpenSSL, GnuTLS or PolarSSL])
fi
capath="$want_capath"
ca="no"
else
- dnl neither of --with-ca-* given
dnl first try autodetecting a CA bundle , then a CA path
dnl both autodetections can be skipped by --without-ca-*
ca="no"
capath="no"
- if test "x$want_ca" = "xunset"; then
- dnl the path we previously would have installed the curl ca bundle
- dnl to, and thus we now check for an already existing cert in that place
- dnl in case we find no other
- if test "x$prefix" != xNONE; then
- cac="${prefix}/share/curl/curl-ca-bundle.crt"
- else
- cac="$ac_default_prefix/share/curl/curl-ca-bundle.crt"
- fi
-
- for a in /etc/ssl/certs/ca-certificates.crt \
- /etc/pki/tls/certs/ca-bundle.crt \
- /usr/share/ssl/certs/ca-bundle.crt \
- /usr/local/share/certs/ca-root.crt \
- /etc/ssl/cert.pem \
- "$cac"; do
- if test -f "$a"; then
- ca="$a"
- break
+ if test "x$cross_compiling" != "xyes"; then
+ dnl NOT cross-compiling and...
+ dnl neither of the --with-ca-* options are provided
+ if test "x$want_ca" = "xunset"; then
+ dnl the path we previously would have installed the curl ca bundle
+ dnl to, and thus we now check for an already existing cert in that
+ dnl place in case we find no other
+ if test "x$prefix" != xNONE; then
+ cac="${prefix}/share/curl/curl-ca-bundle.crt"
+ else
+ cac="$ac_default_prefix/share/curl/curl-ca-bundle.crt"
fi
- done
+
+ for a in /etc/ssl/certs/ca-certificates.crt \
+ /etc/pki/tls/certs/ca-bundle.crt \
+ /usr/share/ssl/certs/ca-bundle.crt \
+ /usr/local/share/certs/ca-root-nss.crt \
+ /etc/ssl/cert.pem \
+ "$cac"; do
+ if test -f "$a"; then
+ ca="$a"
+ break
+ fi
+ done
+ fi
+ if test "x$want_capath" = "xunset" -a "x$ca" = "xno" -a \
+ "x$OPENSSL_ENABLED" = "x1"; then
+ check_capath="/etc/ssl/certs/"
+ fi
+ else
+ dnl no option given and cross-compiling
+ AC_MSG_WARN([skipped the ca-cert path detection when cross-compiling])
fi
- if test "x$want_capath" = "xunset" -a "x$ca" = "xno" -a \
- "x$OPENSSL_ENABLED" = "x1"; then
- for a in /etc/ssl/certs/; do
- if test -d "$a" && ls "$a"/[[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]].0 >/dev/null 2>/dev/null; then
+ fi
+
+ if test "x$ca" = "xno" || test -f "$ca"; then
+ ca_warning=""
+ fi
+
+ if test "x$capath" != "xno"; then
+ check_capath="$capath"
+ fi
+
+ if test ! -z "$check_capath"; then
+ for a in "$check_capath"; do
+ if test -d "$a" && ls "$a"/[[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]].0 >/dev/null 2>/dev/null; then
+ if test "x$capath" = "xno"; then
capath="$a"
- break
fi
- done
- fi
+ capath_warning=""
+ break
+ fi
+ done
fi
-
+ if test "x$capath" = "xno"; then
+ capath_warning=""
+ fi
if test "x$ca" != "xno"; then
CURL_CA_BUNDLE='"'$ca'"'
AC_DEFINE_UNQUOTED(CURL_CA_BUNDLE, "$ca", [Location of default ca bundle])
AC_SUBST(CURL_CA_BUNDLE)
AC_MSG_RESULT([$ca])
- elif test "x$capath" != "xno"; then
+ fi
+ if test "x$capath" != "xno"; then
CURL_CA_PATH="\"$capath\""
AC_DEFINE_UNQUOTED(CURL_CA_PATH, "$capath", [Location of default ca path])
AC_MSG_RESULT([$capath (capath)])
- else
+ fi
+ if test "x$ca" = "xno" && test "x$capath" = "xno"; then
AC_MSG_RESULT([no])
fi
+
+ AC_MSG_CHECKING([whether to use builtin CA store of SSL library])
+ AC_ARG_WITH(ca-fallback,
+AC_HELP_STRING([--with-ca-fallback], [Use the built in CA store of the SSL library])
+AC_HELP_STRING([--without-ca-fallback], [Don't use the built in CA store of the SSL library]),
+ [
+ if test "x$with_ca_fallback" != "xyes" -a "x$with_ca_fallback" != "xno"; then
+ AC_MSG_ERROR([--with-ca-fallback only allows yes or no as parameter])
+ fi
+ ],
+ [ with_ca_fallback="no"])
+ AC_MSG_RESULT([$with_ca_fallback])
+ if test "x$with_ca_fallback" = "xyes"; then
+ if test "x$OPENSSL_ENABLED" != "x1" -a "x$GNUTLS_ENABLED" != "x1"; then
+ AC_MSG_ERROR([--with-ca-fallback only works with OpenSSL or GnuTLS])
+ fi
+ AC_DEFINE_UNQUOTED(CURL_CA_FALLBACK, 1, [define "1" to use built in CA store of SSL library ])
+ fi
])
tmp_includes=""
tmp_source=""
tmp_fmt=""
- case AS_TR_SH([$1]) in
+ case XC_SH_TR_SH([$1]) in
int64_t)
tmp_includes="$curl_includes_inttypes"
tmp_source="char f@<:@@:>@ = PRId64;"
curl_suffix_curl_off_t="unknown"
curl_suffix_curl_off_tu="unknown"
#
- case AS_TR_SH([$1]) in
+ case XC_SH_TR_SH([$1]) in
long_long | __longlong | __longlong_t)
tst_suffixes="LL::"
;;
#
x_LP64_long=""
x_LP32_long=""
- x_LP16_long=""
#
if test "$ac_cv_sizeof_long" -eq "8" &&
test "$ac_cv_sizeof_voidp" -ge "8"; then
elif test "$ac_cv_sizeof_long" -eq "4" &&
test "$ac_cv_sizeof_voidp" -ge "4"; then
x_LP32_long="long"
- elif test "$ac_cv_sizeof_long" -eq "2" &&
- test "$ac_cv_sizeof_voidp" -ge "2"; then
- x_LP16_long="long"
fi
#
dnl DO_CURL_OFF_T_CHECK results are stored in next 3 vars
AC_MSG_RESULT([$curl_typeof_curl_off_t])
fi
if test "$curl_typeof_curl_off_t" = "unknown"; then
- AC_MSG_CHECKING([for 16-bit curl_off_t data type])
- for t2 in \
- "$x_LP16_long" \
- 'int16_t' \
- '__int16' \
- 'int' ; do
- DO_CURL_OFF_T_CHECK([$t2], [2])
- done
- AC_MSG_RESULT([$curl_typeof_curl_off_t])
- fi
- if test "$curl_typeof_curl_off_t" = "unknown"; then
AC_MSG_ERROR([cannot find data type for curl_off_t.])
fi
#
curl_format_curl_off_tu=`echo "$curl_format_curl_off_tu" | "$SED" 's/D$/U/'`
else
x_pull_headers="no"
- case AS_TR_SH([$curl_typeof_curl_off_t]) in
+ case XC_SH_TR_SH([$curl_typeof_curl_off_t]) in
long_long | __longlong | __longlong_t)
curl_format_curl_off_t="lld"
curl_format_curl_off_tu="llu"
AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
AC_MSG_CHECKING([whether build target supports WIN32 file API])
curl_win32_file_api="no"
- if test "$ac_cv_header_windows_h" = "yes"; then
+ if test "$curl_cv_header_windows_h" = "yes"; then
if test x"$enable_largefile" != "xno"; then
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
;;
win32_small_files)
AC_MSG_RESULT([yes (large file disabled)])
- AC_DEFINE_UNQUOTED(USE_WIN32_LARGE_FILES, 1,
+ AC_DEFINE_UNQUOTED(USE_WIN32_SMALL_FILES, 1,
[Define to 1 if you are building a Windows target without large file support.])
;;
*)
dnl CURL_CHECK_PKGCONFIG ($module, [$pcdir])
dnl ------------------------
-dnl search for the pkg-config tool (if not cross-compiling). Set the PKGCONFIG
-dnl variable to hold the path to it, or 'no' if not found/present.
+dnl search for the pkg-config tool. Set the PKGCONFIG variable to hold the
+dnl path to it, or 'no' if not found/present.
dnl
dnl If pkg-config is present, check that it has info about the $module or
dnl return "no" anyway!
dnl
AC_DEFUN([CURL_CHECK_PKGCONFIG], [
-
- PKGCONFIG="no"
-
- if test x$cross_compiling = xyes; then
- dnl see if there's a pkg-specific for this host setup
- AC_PATH_PROG( PKGCONFIG, ${host}-pkg-config, no,
- $PATH:/usr/bin:/usr/local/bin)
- fi
-
- if test x$PKGCONFIG = xno; then
- AC_PATH_PROG( PKGCONFIG, pkg-config, no, $PATH:/usr/bin:/usr/local/bin)
+ if test -n "$PKG_CONFIG"; then
+ PKGCONFIG="$PKG_CONFIG"
+ else
+ AC_PATH_TOOL([PKGCONFIG], [pkg-config], [no],
+ [$PATH:/usr/bin:/usr/local/bin])
fi
- if test x$PKGCONFIG != xno; then
+ if test "x$PKGCONFIG" != "xno"; then
AC_MSG_CHECKING([for $1 options with pkg-config])
dnl ask pkg-config about $1
itexists=`CURL_EXPORT_PCDIR([$2]) dnl
1;
_EOF
])
+
+dnl CURL_CPP_P
+dnl
+dnl Check if $cpp -P should be used for extract define values due to gcc 5
+dnl splitting up strings and defines between line outputs. gcc by default
+dnl (without -P) will show TEST EINVAL TEST as
+dnl
+dnl # 13 "conftest.c"
+dnl TEST
+dnl # 13 "conftest.c" 3 4
+dnl 22
+dnl # 13 "conftest.c"
+dnl TEST
+
+AC_DEFUN([CURL_CPP_P], [
+ AC_MSG_CHECKING([if cpp -P is needed])
+ AC_EGREP_CPP([TEST.*TEST], [
+ #include <errno.h>
+TEST EINVAL TEST
+ ], [cpp=no], [cpp=yes])
+ AC_MSG_RESULT([$cpp])
+
+ dnl we need cpp -P so check if it works then
+ if test "x$cpp" = "xyes"; then
+ AC_MSG_CHECKING([if cpp -P works])
+ OLDCPPFLAGS=$CPPFLAGS
+ CPPFLAGS="$CPPFLAGS -P"
+ AC_EGREP_CPP([TEST.*TEST], [
+ #include <errno.h>
+TEST EINVAL TEST
+ ], [cpp_p=yes], [cpp_p=no])
+ AC_MSG_RESULT([$cpp_p])
+
+ if test "x$cpp_p" = "xno"; then
+ AC_MSG_WARN([failed to figure out cpp -P alternative])
+ # without -P
+ CPPPFLAG=""
+ else
+ # with -P
+ CPPPFLAG="-P"
+ fi
+ dnl restore CPPFLAGS
+ CPPFLAGS=$OLDCPPFLAGS
+ else
+ # without -P
+ CPPPFLAG=""
+ fi
+])