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libtdata/configure.ac

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dnl Process this file with autoconf to produce a configure script.
AC_INIT(libtdata, 0.2.3)
AC_CONFIG_HEADERS([config.h])
AM_INIT_AUTOMAKE([1.11])
AM_SILENT_RULES([yes])
AC_PROG_CC
LT_INIT
# Checks for pointer size.
# TODO: Later this is irrelevant, and we should just bail on 32-bit platforms always
AC_CHECK_SIZEOF([uintptr_t])
if test "x$ac_cv_sizeof_uintptr_t" == "x"; then
AC_ERROR([Cannot determine size of uintptr_t])
fi
AC_SUBST(ac_cv_sizeof_uintptr_t)
if test "${ac_cv_sizeof_uintptr_t}" = "4"; then
AC_DEFINE([BUILD_HOST_32BIT], 1, [Define to 1 if host is 32bit])
fi
dnl **************************************
dnl ***** tests for compiler built-ins *****
dnl **************************************
AC_CACHE_CHECK([for __sync_bool_compare_and_swap_8],
[ctrie_cv_func___sync_bool_compare_and_swap_8],
[AC_LINK_IFELSE([
typedef unsigned int uint64 __attribute__ ((mode (DI)));
uint64 i;
int main() { return __sync_bool_compare_and_swap (&i, 0, 1); }
],
[ctrie_cv_func___sync_bool_compare_and_swap_8=yes],
[ctrie_cv_func___sync_bool_compare_and_swap_8=no])])
if test "$ctrie_cv_func___sync_bool_compare_and_swap_8" = "yes"; then
AC_DEFINE([HAVE__SYNC_BOOL_COMPARE_AND_SWAP_8], 1,
[Define to 1 if the compiler provides the __sync_bool_compare_and_swap function for uint64])
fi
dnl *****************
dnl ***** options *****
dnl *****************
AC_ARG_ENABLE([build_examples],
AS_HELP_STRING([--enable-build-examples], [Enable examples build]))
AS_IF([test "x$enable_build_examples" = "xyes"], [
AC_DEFINE([BUILD_EXAMPLES], 1, [build of examples enabled])
])
AC_OUTPUT([
Makefile
lib/libtdata.pc
lib/Makefile
include/Makefile])