AM_SILENT_RULES([yes])
AC_PROG_CC_C99
+AM_PROG_CC_C_O
gl_EARLY
LT_INIT
gl_INIT
-DX_FIX_GNULIB([cdecl__])
+m4_include([lib/gnulib.mk])
+DX_GLSYM_PREFIX([cdecl__])
dnl We provide our own makefile rules for gettext. Disable tracing of
dnl AM_GNU_GETTEXT to prevent autoreconf from running autopoint, and to
GLOBAL_SYMBOL_PIPE=$lt_cv_sys_global_symbol_pipe
AC_SUBST([GLOBAL_SYMBOL_PIPE])
-AH_BOTTOM([#include <cfgtail.h>])
+AH_TOP([#include <conf_pre.h>])
+AH_BOTTOM([#include <conf_post.h>])
+
+AC_ARG_WITH([gsl],
+ [AS_HELP_STRING([--with-gsl],
+ [specify whether to build test programs requiring the GNU Scientific Library. [default=auto]]
+ )], [with_gsl=$withval], [with_gsl=auto])
+
+AS_CASE([$with_gsl],
+ [no], [have_gsl=no],
+ [yes], [DX_CHECK_GSL([1.0], [have_gsl=yes])],
+ [DX_CHECK_GSL([1.0], [have_gsl=yes], [have_gsl=no])])
+AM_CONDITIONAL([HAVE_GSL], [test x"$have_gsl" = x"yes"])
AC_CONFIG_FILES([
exported.sh