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dnl @synopsis AG_CHECK_POSIX_REGCOMP
dnl
dnl Check that the POSIX compliant regular expression compiler is
dnl available in the POSIX specified manner, and it works. If it fails,
dnl we have a backup -- use gnu-regex.
dnl
dnl @category C
dnl @author Bruce Korb <bkorb@gnu.org>
dnl @version 2001-12-01
dnl @license GPLWithACException
dnl DO NOT EDIT THIS FILE (ag_check_posix_regcomp.m4)
dnl
dnl It has been AutoGen-ed Saturday December 1, 2001 at 09:21:28 PM PST
dnl From the definitions bkorb.def
dnl and the template file conftest.tpl
dnl See: http://autogen.sf.net for a description of the AutoGen project
AC_DEFUN([AG_CHECK_POSIX_REGCOMP],[
AC_MSG_CHECKING([whether POSIX compliant regcomp()/regexec()])
AC_CACHE_VAL([ag_cv_posix_regcomp],[
AC_TRY_RUN([#include <sys/types.h>
#include <regex.h>
int main() {
int flags = REG_EXTENDED|REG_ICASE|REG_NEWLINE;
regex_t re;
if (regcomp( &re, "^.*$", flags ) != 0)
return 1;
return regcomp( &re, "|no.*", flags ); }],[ag_cv_posix_regcomp=yes],[ag_cv_posix_regcomp=no],[ag_cv_posix_regcomp=no]
) # end of TRY_RUN]) # end of CACHE_VAL
AC_MSG_RESULT([$ag_cv_posix_regcomp])
if test x$ag_cv_posix_regcomp = xyes
then
AC_DEFINE(HAVE_POSIX_REGCOMP, 1,
[Define this if POSIX compliant regcomp()/regexec()])
fi
]) # end of AC_DEFUN of AG_CHECK_POSIX_REGCOMP
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