dnl Define ourselves
AC_INIT(tcc4tcl, @@VERS@@)
dnl Checks for programs.
AC_PROG_CC
AC_PROG_MAKE_SET
AC_PROG_INSTALL
AC_GNU_SOURCE
dnl Determine system information
DC_CHK_OS_INFO
dnl Determine if a shared or static build is requested
AC_ARG_ENABLE([static], AS_HELP_STRING([--enable-static], [build static library instead of shared library]), [
if test "$enableval" = "no"; then
TCC4TCL_TARGET=static
else
TCC4TCL_TARGET=shared
fi
], [
TCC4TCL_TARGET=shared
])
dnl Configure TCC build options
AC_SUBST(TCC_CONFIGURE_OPTS)
TCC_CONFIGURE_OPTS=""
dnl -- If cross-compiling, specify a "--cross-prefix" and define the CPU
if test "${host}" != "${build}"; then
TCC_CONFIGURE_OPTS="${TCC_CONFIGURE_OPTS} --cross-prefix=${host_alias}- --cpu=${host_cpu} --os=${host_os}"
fi
if test "${TCC4TCL_TARGET}" = "shared"; then
dnl Determine how to make shared objects
DC_GET_SHOBJFLAGS
dnl Only export symbols we wish to expose
DC_SETVERSIONSCRIPT([tcltcc.syms], [tcltcc.vers])
DC_FIND_STRIP_AND_REMOVESYMS([tcltcc.syms])
TARGET="tcltcc.${SHOBJEXT}"
else
TARGET="tcltcc-static.a"
fi
AC_SUBST(TARGET)
AC_SUBST(TCC4TCL_TARGET)
dnl Find out if we have the functions needed to open shared objects
AC_SEARCH_LIBS(dlopen, dl,, [
AC_SEARCH_LIBS(shl_load, dld dl)
])
AC_CHECK_FUNCS(dlopen shl_load)
dnl Look for appropriate headers
AC_CHECK_HEADERS(unistd.h stdlib.h string.h strings.h dlfcn.h dl.h)
dnl Perform Tcl Extension required stuff
TCLEXT_INIT
dnl Produce output
AC_OUTPUT(Makefile pkgIndex.tcl tcltcc.syms)