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build: correctly use AC_LANG_PROGRAM 

With newer versions of autoconf >= 2.68 we receive warnings about the
incorrect use of AC_LANG_PROGRAM. This fixes those warnings.

Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
__archive__
Spencer Oliver 2011-04-05 12:13:48 +01:00
parent 5e86c5173c
commit becfbeaacd
1 changed files with 20 additions and 27 deletions
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45
configure.in
View File

@ -538,7 +538,7 @@ case $host in
is_win32=yes
parport_use_ppdev=no
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([],[return __MINGW32__;]),
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[return __MINGW32__;]])],
[is_mingw=yes],[is_mingw=no])
if test $is_mingw = yes; then
AC_DEFINE(IS_MINGW, 1, [1 if building for MinGW.])
@ -918,22 +918,17 @@ _CFLAGS=`eval echo $CFLAGS`
LDFLAGS=$_LDFLAGS
CFLAGS=$_CFLAGS
AC_RUN_IFELSE([
AC_RUN_IFELSE([AC_LANG_PROGRAM([[
#include "confdefs.h"
#if IS_WIN32
#include "windows.h"
#endif
#include <stdio.h>
#include <ftd2xx.h>
int
main( int argc, char **argv )
{
]], [[
DWORD x;
FT_GetLibraryVersion( &x );
return 0;
}
], [
]])], [
AC_MSG_RESULT([Success!])
], [
AC_MSG_ERROR([Cannot build & run test program using ftd2xx.lib])
@ -942,15 +937,16 @@ main( int argc, char **argv )
])
AC_MSG_CHECKING([for ftd2xx highspeed device support])
AC_COMPILE_IFELSE([
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include "confdefs.h"
#if IS_WIN32
#include "windows.h"
#endif
#include <stdio.h>
#include <ftd2xx.h>
DWORD x = FT_DEVICE_4232H;
], [
]], [])], [
AC_DEFINE(BUILD_FT2232_HIGHSPEED, [1],
[Support FT2232H/FT4232HS with FTD2XX or libftdi.])
build_ft2232_highspeed=yes
@ -982,13 +978,10 @@ if test $build_ft2232_libftdi = yes ; then
LDFLAGS=$_LDFLAGS
CFLAGS=$_CFLAGS
AC_RUN_IFELSE([
AC_RUN_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
#include <ftdi.h>
int
main( int argc, char **argv )
{
]], [[
struct ftdi_context *p;
p = ftdi_new();
if( p != NULL ){
@ -997,8 +990,7 @@ main( int argc, char **argv )
fprintf( stderr, "calling ftdi_new() failed\n");
return 1;
}
}
], [
]])], [
AC_MSG_RESULT([Success])
], [
AC_MSG_ERROR([Cannot build & run test program using libftdi])
@ -1007,11 +999,12 @@ main( int argc, char **argv )
])
AC_MSG_CHECKING([for libftdi highspeed device support])
AC_COMPILE_IFELSE([
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
#include <ftdi.h>
]], [[
enum ftdi_chip_type x = TYPE_2232H;
], [
]])], [
AC_DEFINE(BUILD_FT2232_HIGHSPEED, [1],
[Support FT2232H/FT4232HS with FTD2XX or libftdi.])
build_ft2232_highspeed=yes
@ -1079,12 +1072,12 @@ AM_CONDITIONAL(INTERNAL_JIMTCL, test $use_internal_jimtcl = yes)
# Look for environ alternatives. Possibility #1: is environ in unistd.h or stdlib.h?
AC_MSG_CHECKING([for environ in unistd.h and stdlib.h])
AC_COMPILE_IFELSE([
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#define _GNU_SOURCE
#include <unistd.h>
#include <stdlib.h>
int main(int argc, char **argv) { char **ep = environ; }
], [
]], [[char **ep = environ;]]
)], [
AC_MSG_RESULT([yes])
has_environ=yes
], [
@ -1092,10 +1085,10 @@ int main(int argc, char **argv) { char **ep = environ; }
# Possibility #2: can environ be found in an available library?
AC_MSG_CHECKING([for extern environ])
AC_LINK_IFELSE([
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
extern char **environ;
int main(int argc, char **argv) { char **ep = environ; }
], [
]], [[char **ep = environ;]]
)], [
AC_DEFINE(NEED_ENVIRON_EXTERN, [1], [Must declare 'environ' to use it.])
has_environ=yes
], [