add check for perl and its version

This commit is contained in:
Oswald Buddenhagen 2017-10-15 11:34:50 +02:00
parent 094af8720c
commit c75001aa7d

View File

@ -11,6 +11,23 @@ fi
CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
AC_CHECK_PROG(PERL, perl, perl)
if test "x$PERL" = "x"; then
AC_MSG_ERROR([perl not found])
fi
need_perl=5.14
AC_CACHE_CHECK([whether perl is recent enough], ob_cv_perl_ver, [
if $PERL -e "use v$need_perl;"; then
ob_cv_perl_ver=yes
else
ob_cv_perl_ver=no
fi
])
if test "x$ob_cv_perl_ver" = "xno"; then
AC_MSG_ERROR([perl is too old])
fi
AC_CACHE_CHECK([whether strftime supports %z], ob_cv_strftime_z,
[AC_TRY_RUN(
[#include <time.h>