Amebis/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

1. attempts to fix vsnprintf() check

Browse Source 
2. use AC_TRY_COMPILE(), not RUN() for vscanf() check
3. don't test for joystick support in !wxUSE_GUI


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@6983 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2000-03-29 16:33:26 +00:00
parent 7a063aed7c
commit 16d8c174e7
2 changed files with 394 additions and 387 deletions
Download Patch File Download Diff File Expand all files Collapse all files

680
configure vendored
View File

File diff suppressed because it is too large Load Diff

101
configure.in
View File

@@ -1028,7 +1028,6 @@ WX_ARG_ENABLE(textfile, [ --enable-textfile use wxTextFile classes],
WX_ARG_ENABLE(unicode, [ --enable-unicode compile wxString with Unicode support], wxUSE_UNICODE)
WX_ARG_ENABLE(wcsrtombs, [ --enable-wcsrtombs use wcsrtombs instead of buggy (GNU libc1/Linux libc5) wcstombs], wxUSE_WCSRTOMBS)
WX_ARG_ENABLE(wxprintfv, [ --enable-wxprintfv use wxWindows implementation of vprintf()], wxUSE_EXPERIMENTAL_PRINTF)
WX_ARG_ENABLE(joystick, [ --enable-joystick compile in joystick support (Linux only)], wxUSE_JOYSTICK)
WX_ARG_ENABLE(std_iostreams, [ --enable-std_iostreams use standard C++ stream classes], wxUSE_STD_IOSTREAM)
WX_ARG_ENABLE(filesystem, [ --enable-filesystem use virtual file systems classes], wxUSE_FILESYSTEM)
WX_ARG_ENABLE(fs_inet, [ --enable-fs_inet use virtual HTTP/FTP filesystems], wxUSE_FS_INET)
@@ -1208,6 +1207,7 @@ WX_ARG_ENABLE(splines, [ --enable-splines use spline drawing code],
WX_ARG_ENABLE(validators, [ --enable-validators use wxValidator and derived classes], wxUSE_VALIDATORS)
WX_ARG_ENABLE(busyinfo, [ --enable-busyinfo use wxBusyInfo], wxUSE_BUSYINFO)
WX_ARG_ENABLE(plot, [ --enable-plot use wxPlot], wxUSE_PLOT)
WX_ARG_ENABLE(joystick, [ --enable-joystick compile in joystick support (Linux only)], wxUSE_JOYSTICK)
dnl ---------------------------------------------------------------------------
dnl support for image formats that do not rely on external library
@@ -2270,52 +2270,73 @@ AC_FUNC_VPRINTF
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
dnl check for vsnprintf() - a safe version of vsprintf()
dnl
dnl NB: do it using C++ compiler as on some systems it is present in the
dnl libraries, but not declared in the header
dnl
dnl NB2: we might also check for it with AC_LANG_C if it is not found with
dnl AC_LANG_CPLUSPLUS and declare it ourselves if it is found in that
dnl case...
AC_CHECK_FUNCS(vsnprintf,
AC_DEFINE(HAVE_VSNPRINTF),
AC_MSG_WARN(unsafe function sprintf will be used instead of snprintf)
)
dnl check for vsscanf() and vsnprintf() - on some platforms (Linux, glibc
dnl 2.1.1 for the first one, HP-UX for the second) it's available in the
dnl library but the prototype is missing, so we can't use AC_CHECK_FUNCS here,
dnl do it manually
dnl check for vsscanf() - on some platforms (Linux, glibc 2.1.1) it's
dnl available in the library but the prototype is missing, so we can't use
dnl AC_CHECK_FUNCS here, do it manually
dnl we use AC_TRY_COMPILE() here instead of AC_TRY_RUN() to make the checks
dnl work for cross-compilation, but AC_TRY_COMPILE() normally only compiles
dnl one function while we need at least 2 - hence the ugly hack below. To
dnl understand why it works, remember that AC_TRY_COMPILE() just prepends
dnl "int main() {" in the beginning of the code and "; return 0; }" at the
dnl end...
dnl check for vsnprintf() - a safe version of vsprintf()
AC_CACHE_CHECK([for vsnprintf], wx_cv_func_vsnprintf,
[
AC_TRY_COMPILE([
#include <stdio.h>
#include <stdarg.h>
], [
int wx_test_vsnprintf(const char *, ...);
wx_test_vsnprintf("%s");
return 0;
}
int wx_test_vsnprintf(const char *fmt, ...)
{
char *s;
va_list argp;
va_start(argp, fmt);
vsnprintf(s, 42, fmt, argp);
va_end(argp);
], [
AC_DEFINE(HAVE_VSNPRINTF)
wx_cv_func_vsnprintf=yes
], [
AC_MSG_WARN(unsafe function sprintf will be used instead of snprintf)
wx_cv_func_vsnprintf=no
])
])
dnl check for vsscanf()
AC_CACHE_CHECK([for vsscanf], wx_cv_func_vsscanf,
[
AC_TRY_RUN(
[
#include <stdio.h>
#include <stdarg.h>
AC_TRY_COMPILE([
#include <stdio.h>
#include <stdarg.h>
], [
int wx_test_vsscanf(const char *, ...);
int try_vsscanf(const char *format, ...)
{
va_list ap;
va_start(ap, format);
vsscanf("17", format, ap);
va_end(ap);
wx_test_vsscanf("%d");
return 0;
}
int main()
int wx_test_vsscanf(const char *fmt, ...)
{
int i;
try_vsscanf("%d", &i);
return i == 17 ? 0 : 1;
}
], [
AC_DEFINE(HAVE_VSSCANF)
wx_cv_func_vsscanf=yes
],
wx_cv_func_vsscanf=no,
wx_cv_func_vsscanf=no
)
va_list argp;
va_start(argp, fmt);
vsscanf("42", fmt, argp);
va_end(argp);
], [
AC_DEFINE(HAVE_VSSCANF)
wx_cv_func_vsscanf=yes
], [
wx_cv_func_vsscanf=no
])
])
AC_LANG_RESTORE