m4_define([ginac_lt_age], GINAC_GET_LTVERSION([AGE]))
m4_define([ginac_lt_revision], GINAC_GET_LTVERSION([REVISION]))
-AC_INIT([GiNaC], ginac_version, [ginac-list@ginac.de], [ginac], [http://www.ginac.de/])
+AC_INIT([GiNaC], ginac_version, [ginac-list@ginac.de], [ginac], [https://www.ginac.de/])
AC_PREREQ(2.59)
AC_CONFIG_SRCDIR(ginac/basic.cpp)
AC_CONFIG_AUX_DIR([config])
AC_CONFIG_HEADERS([config/config.h])
AC_CONFIG_MACRO_DIR([m4])
dnl This defines PACKAGE and VERSION.
-AM_INIT_AUTOMAKE([gnu 1.8 dist-bzip2])
+AM_INIT_AUTOMAKE([gnu 1.8 dist-bzip2 subdir-objects])
dnl libtool versioning
LT_VERSION_INFO="ginac_lt_current:ginac_lt_revision:ginac_lt_age"
dnl Switch to C++ language mode for the following libraries and headers.
AC_LANG([C++])
+AX_CXX_COMPILE_STDCXX([11])
dnl Make sure all the necessary standard headers are installed on the system.
GINAC_STD_CXX_HEADERS
GINACLIB_LIBS='-L${libdir} -lginac'
AC_LIB_LINKFLAGS_FROM_LIBS([GINACLIB_RPATH], [$GINACLIB_LIBS])
-dnl Check for data types which are needed by the hash function
-dnl (golden_ratio_hash).
-AC_CHECK_TYPE(long long)
-
dnl Check for stuff needed for building the GiNaC interactive shell (ginsh).
AC_CHECK_HEADERS(unistd.h)
GINAC_HAVE_RUSAGE