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configure.ac: remove check for broken regex which breaks crosscompilation

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in the unlikely case that the user's C library has broken regex support,
she should probably update to a bugfree version.
in its full consequence, checking if individual functions works basically
require to test every single function in use, which is nonsensical.
since this check required to compile and run a code sample on the host,
it cannot be checked in cross-compile scenarios and as it defaulted to yes
(broken), causes build failure in any such scenario.

closes #1

Signed-off-by: John Spencer <maillist-tinyproxy@barfooze.de>
Reviewed-by: Michael Adam <obnox@samba.org>
This commit is contained in:
John Spencer 2016-01-03 20:55:37 +00:00 committed by Michael Adam
parent b036d2e055
commit 186bbc3efb
1 changed files with 0 additions and 45 deletions
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45
configure.ac
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@ -131,11 +131,6 @@ if test x"$transparent_enabled" = x"yes"; then
AC_DEFINE(TRANSPARENT_PROXY)
fi
dnl Check for broken regex library
TP_ARG_ENABLE(regexcheck,
[Check for working regex library (default is YES)],
yes)
# This is required to build test programs below
AC_PROG_CC
@ -233,46 +228,6 @@ dnl
dnl Handle the REGEX library
if test x"$ac_cv_func_regexec" != x"yes"; then
AC_MSG_ERROR([Could not locate the regexec() function])
else
if test x"$regexcheck_enabled" = x"yes" ; then
AC_MSG_CHECKING([whether the system's regex library is broken])
AC_CACHE_VAL(tinyproxy_cv_regex_broken,
[AC_TRY_RUN([
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
#if HAVE_REGEX_H
# include <regex.h>
#endif
#if HAVE_STDLIB_H
# include <stdlib.h>
#endif
int main(void)
{
regex_t blah;
if (regcomp(&blah, "foo.*bar", REG_NOSUB) != 0)
exit(1);
if (regexec(&blah, "foobar", 0, NULL, 0) != 0)
exit(1);
else
exit(0);
return 0;
}
],
tinyproxy_cv_regex_broken=no,
tinyproxy_cv_regex_broken=yes,
tinyproxy_cv_regex_broken=yes)])
AC_MSG_RESULT([$tinyproxy_cv_regex_broken])
if test x"$tinyproxy_cv_regex_broken" = x"yes" ; then
AC_MSG_ERROR([Your system's regexec() function is broken.])
fi
fi
fi
dnl