--- /dev/null
+dnl
+dnl AUTHOR: Squid Web Cache team
+dnl
+dnl SQUID Web Proxy Cache http://www.squid-cache.org/
+dnl ----------------------------------------------------------
+dnl Squid is the result of efforts by numerous individuals from
+dnl the Internet community; see the CONTRIBUTORS file for full
+dnl details. Many organizations have provided support for Squid's
+dnl development; see the SPONSORS file for full details. Squid is
+dnl Copyrighted (C) 2001 by the Regents of the University of
+dnl California; see the COPYRIGHT file for full details. Squid
+dnl incorporates software developed and/or copyrighted by other
+dnl sources; see the CREDITS file for full details.
+dnl
+dnl This program is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 2 of the License, or
+dnl (at your option) any later version.
+dnl
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+dnl GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program; if not, write to the Free Software
+dnl Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
+
+
+dnl check that strnstr() works fine. On Macos X it can cause a buffer overrun
+dnl sets squid_cv_func_strnstr to "yes" or "no", and defines HAVE_STRNSTR
+AC_DEFUN([SQUID_CHECK_FUNC_STRNSTR],[
+
+# Yay! This one is a MacOSX brokenness. Its not good enough
+# to know that strnstr() exists, because MacOSX 10.4 have a bad
+# copy that crashes with a buffer over-run!
+AH_TEMPLATE(HAVE_STRNSTR,[MacOS brokenness: strnstr() can overrun on that system])
+AC_CACHE_CHECK([if strnstr is well implemented], squid_cv_func_strnstr,
+ AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+ // we expect this to succeed, or crash on over-run.
+ // if it passes otherwise we may need a better check.
+int main(int argc, char **argv)
+{
+ int size = 20;
+ char *str = malloc(size);
+ memset(str, 'x', size);
+ strnstr(str, "fubar", size);
+ return 0;
+}
+ ]])],[squid_cv_func_strnstr="yes"],[squid_cv_func_strnstr="no"],[])
+)
+if test "$squid_cv_func_strnstr" = "yes" ; then
+ AC_DEFINE(HAVE_STRNSTR,1)
+fi
+
+]) dnl SQUID_CHECK_FUNC_STRNSTR
+
+dnl check that va_copy is implemented and works
+dnl sets squid_cv_func_va_copy and defines HAVE_VA_COPY
+AC_DEFUN([SQUID_CHECK_FUNC_VACOPY],[
+
+# check that the system provides a functional va_copy call
+
+AH_TEMPLATE(HAVE_VA_COPY, [The system implements a functional va_copy() ])
+AC_CACHE_CHECK(if va_copy is implemented, squid_cv_func_va_copy,
+ AC_RUN_IFELSE([AC_LANG_SOURCE([[
+ #include <stdarg.h>
+ #include <stdlib.h>
+ int f (int i, ...) {
+ va_list args1, args2;
+ va_start (args1, i);
+ va_copy (args2, args1);
+ if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
+ return 1;
+ va_end (args1); va_end (args2);
+ return 0;
+ }
+ int main(int argc, char **argv) { return f (0, 42); }
+ ]])],[squid_cv_func_va_copy="yes"],[squid_cv_func_va_copy="no"],[])
+)
+if test "$squid_cv_func_va_copy" = "yes" ; then
+ AC_DEFINE(HAVE_VA_COPY, 1)
+fi
+
+]) dnl SQUID_CHECK_FUNC_VACOPY
+
+dnl same sa SQUID_CHECK_FUNC_VACOPY, but checks __va_copy
+dnl sets squid_cv_func___va_copy, and defines HAVE___VA_COPY
+AC_DEFUN([SQUID_CHECK_FUNC___VACOPY],[
+
+AH_TEMPLATE(HAVE___VA_COPY,[Some systems have __va_copy instead of va_copy])
+AC_CACHE_CHECK(if __va_copy is implemented, squid_cv_func___va_copy,
+ AC_RUN_IFELSE([AC_LANG_SOURCE([[
+ #include <stdarg.h>
+ #include <stdlib.h>
+ int f (int i, ...) {
+ va_list args1, args2;
+ va_start (args1, i);
+ __va_copy (args2, args1);
+ if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
+ return 1;
+ va_end (args1); va_end (args2);
+ return 0;
+ }
+ int main(int argc, char **argv) { return f (0, 42); }
+ ]])],[squid_cv_func___va_copy="yes"],[squid_cv_func___va_copy="no"],[])
+)
+if test "$squid_cv_func___va_copy" = "yes" ; then
+ AC_DEFINE(HAVE___VA_COPY, 1)
+fi
+]) dnl SQUID_CHECK_FUNC___VACOPY
m4_include([acinclude/squid-util.m4])
m4_include([acinclude/compiler-flags.m4])
+m4_include([acinclude/os-deps.m4])
PRESET_CFLAGS="$CFLAGS"
PRESET_LDFLAGS="$LDFLAGS"
AM_CONDITIONAL([USE_DEVPOLL], [test $SELECT_TYPE = devpoll])
case $SELECT_TYPE in
-epoll) AC_DEFINE(USE_EPOLL,1,[Use epoll() for the IO loop]) ;;
-poll) AC_DEFINE(USE_POLL,1,[Use poll() for the IO loop]) ;;
-kqueue) AC_DEFINE(USE_KQUEUE,1,[Use kqueue() for the IO loop]) ;;
-select_win32) AC_DEFINE(USE_SELECT_WIN32,1,[Use Winsock select() for the IO loop]) ;;
-select) AC_DEFINE(USE_SELECT,1,[Use select() for the IO loop]) ;;
+ epoll) AC_DEFINE(USE_EPOLL,1,[Use epoll() for the IO loop]) ;;
+ poll) AC_DEFINE(USE_POLL,1,[Use poll() for the IO loop]) ;;
+ kqueue) AC_DEFINE(USE_KQUEUE,1,[Use kqueue() for the IO loop]) ;;
+ select_win32) AC_DEFINE(USE_SELECT_WIN32,1,[Use Winsock select() for the IO loop]) ;;
+ select) AC_DEFINE(USE_SELECT,1,[Use select() for the IO loop]) ;;
esac
dnl Yay! Another Linux brokenness. Its not good enough
AC_DEFINE(HAVE_SETRESUID,1,[Yay! Another Linux brokenness. Its not good enough to know that setresuid() exists, because RedHat 5.0 declare setresuid() but doesn't implement it.])
fi
-dnl Yay! This one is a MacOSX brokenness. Its not good enough
-dnl to know that strnstr() exists, because MacOSX 10.4 have a bad
-dnl copy that crashes with a buffer over-run!
-dnl
-AC_CACHE_CHECK(if strnstr is well implemented, ac_cv_func_strnstr,
- AC_RUN_IFELSE([AC_LANG_SOURCE([[
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
- // we expect this to succeed, or crash on over-run.
- // if it passes otherwise we may need a better check.
-int main(int argc, char **argv)
-{
- int size = 20;
- char *str = malloc(size);
- memset(str, 'x', size);
- strnstr(str, "fubar", size);
- return 0;
-}
- ]])],[ac_cv_func_strnstr="yes"],[ac_cv_func_strnstr="no"],[])
-)
-if test "$ac_cv_func_strnstr" = "yes" ; then
- AC_DEFINE(HAVE_STRNSTR,1,[Yay! We have a working strnstr!])
-else
- AC_DEFINE(HAVE_STRNSTR,0,[Yay! A MacOS X brokenness. Its not good enough to know that strnstr() exists, because MacOSX 10.4 and earlier may have a buffer overrun.])
-fi
+SQUID_CHECK_FUNC_STRNSTR
+SQUID_CHECK_FUNC_VACOPY
+SQUID_CHECK_FUNC___VACOPY
-dnl
-dnl Test for va_copy
-dnl
-AC_CACHE_CHECK(if va_copy is implemented, ac_cv_func_va_copy,
- AC_RUN_IFELSE([AC_LANG_SOURCE([[
- #include <stdarg.h>
- #include <stdlib.h>
- int f (int i, ...) {
- va_list args1, args2;
- va_start (args1, i);
- va_copy (args2, args1);
- if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
- return 1;
- va_end (args1); va_end (args2);
- return 0;
- }
- int main(int argc, char **argv) { return f (0, 42); }
- ]])],[ac_cv_func_va_copy="yes"],[ac_cv_func_va_copy="no"],[])
-)
-if test "$ac_cv_func_va_copy" = "yes" ; then
- AC_DEFINE(HAVE_VA_COPY, 1, [If your system have va_copy])
-fi
-
-dnl
-dnl Some systems support __va_copy
-dnl
-AC_CACHE_CHECK(if __va_copy is implemented, ac_cv_func___va_copy,
- AC_RUN_IFELSE([AC_LANG_SOURCE([[
- #include <stdarg.h>
- #include <stdlib.h>
- int f (int i, ...) {
- va_list args1, args2;
- va_start (args1, i);
- __va_copy (args2, args1);
- if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
- return 1;
- va_end (args1); va_end (args2);
- return 0;
- }
- int main(int argc, char **argv) { return f (0, 42); }
- ]])],[ac_cv_func___va_copy="yes"],[ac_cv_func___va_copy="no"],[])
-)
-if test "$ac_cv_func___va_copy" = "yes" ; then
- AC_DEFINE(HAVE___VA_COPY, 1, [Some systems have __va_copy instead of va_copy])
-fi
dnl IP-Filter support requires ipf header files. These aren't
dnl installed by default, so we need to check for them
projects / thirdparty / squid.git / commitdiff
