dnl ** Additional Autoconf tests for BIRD configure script
dnl ** (c) 1999 Martin Mares <mj@ucw.cz>
-AC_DEFUN([BIRD_CHECK_STRUCT_ALIGN],
+AC_DEFUN([BIRD_CHECK_THREAD_LOCAL],
[
AC_CACHE_CHECK(
- [usual alignment of structures],
- [bird_cv_c_struct_align],
- [
- AC_TRY_RUN(
- [
- #include <stdio.h>
-
- struct { char x; long int y; } ary[2];
-
- int main(void)
- {
- FILE *f = fopen("conftestresult", "w");
- if (!f)
- return 10;
- fprintf(f, "%d", sizeof(ary)/2);
- fclose(f);
- exit(0);
- }
- ],
- [bird_cv_c_struct_align=$(cat conftestresult)],
- [
- AC_MSG_RESULT([test program failed])
- AC_MSG_ERROR([Cannot determine structure alignment])
- ],
- [bird_cv_c_struct_align=16]
- )
- ]
- )
-
- AC_DEFINE_UNQUOTED([CPU_STRUCT_ALIGN],
- [$bird_cv_c_struct_align],
- [Usual alignment of structures]
- )
-])
-
-AC_DEFUN([BIRD_CHECK_TIME_T],
-[
- AC_CACHE_CHECK(
- [characteristics of time_t],
- [bird_cv_type_time_t],
- [
- AC_TRY_RUN(
- [
- #include <stdio.h>
- #include <sys/time.h>
- #include <limits.h>
-
- int main(void)
- {
- FILE *f = fopen("conftestresult", "w");
- if (!f)
- return 10;
- fprintf(f, "%d-bit ", sizeof(time_t)*CHAR_BIT);
- if ((time_t) -1 > 0)
- fprintf(f, "un");
- fprintf(f, "signed");
- fclose(f);
- exit(0);
- }
- ],
- [bird_cv_type_time_t=$(cat conftestresult)],
- [
- AC_MSG_RESULT([test program failed])
- AC_MSG_ERROR([Cannot determine time_t size and signedness.])
+ [whether _Thread_local is known],
+ [bird_cv_thread_local],
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM(
+ [
+ _Thread_local static int x = 42;
],
- [bird_cv_type_time_t="32-bit signed"]
+ []
)
- ]
+ ],
+ [bird_cv_thread_local=yes],
+ [bird_cv_thread_local=no]
+ )
)
-
- case "$bird_cv_type_time_t" in
- *64-bit*)
- AC_DEFINE([TIME_T_IS_64BIT], [1], [Define to 1 if time_t is 64 bit])
- ;;
- esac
-
- case "$bird_cv_type_time_t" in
- *unsigned*)
- ;;
- *)
- AC_DEFINE([TIME_T_IS_SIGNED], [1], [Define to 1 if time_t is signed])
- ;;
- esac
])
AC_DEFUN([BIRD_CHECK_PTHREADS],
CFLAGS="$bird_tmp_cflags"
])
+AC_DEFUN([BIRD_CHECK_MPLS_KERNEL],
+[
+ AC_CACHE_CHECK(
+ [for Linux MPLS headers],
+ [bird_cv_mpls_kernel],
+ [
+ AC_COMPILE_IFELSE(
+ [
+ AC_LANG_PROGRAM(
+ [
+ #include <linux/lwtunnel.h>
+ #include <linux/netlink.h>
+ #include <linux/rtnetlink.h>
+ #include <sys/socket.h>
+ void t(int arg);
+ ],
+ [
+ t(AF_MPLS);
+ t(RTA_VIA);
+ t(RTA_NEWDST);
+ t(RTA_ENCAP_TYPE);
+ t(RTA_ENCAP);
+ struct rtvia rtvia;
+ t(LWTUNNEL_ENCAP_MPLS);
+ ]
+ )
+ ],
+ [bird_cv_mpls_kernel=yes],
+ [bird_cv_mpls_kernel=no]
+ )
+ ]
+ )
+])
+
+AC_DEFUN([BIRD_CHECK_ANDROID_GLOB],
+[
+ AC_CACHE_CHECK(
+ [for glob.h],
+ [bird_cv_lib_glob],
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM(
+ [
+ #include <glob.h>
+ #include <stdlib.h>
+ ],
+ [ glob(NULL, 0, NULL, NULL); ]
+ )
+ ],
+ [bird_cv_lib_glob=yes],
+ [
+ bird_tmp_libs="$LIBS"
+ LIBS="$LIBS -landroid-glob"
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM(
+ [
+ #include <glob.h>
+ #include <stdlib.h>
+ ],
+ [ glob(NULL, 0, NULL, NULL); ]
+ )
+ ],
+ [bird_cv_lib_glob=-landroid-glob],
+ [bird_cv_lib_glob=no]
+ )
+ LIBS="$bird_tmp_libs"
+ ]
+ )
+ )
+])
+
+AC_DEFUN([BIRD_CHECK_ANDROID_LOG],
+[
+ AC_CACHE_CHECK(
+ [for syslog lib flags],
+ [bird_cv_lib_log],
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM(
+ [ #include <sys/syslog.h> ],
+ [ syslog(0, ""); ]
+ )
+ ],
+ [bird_cv_lib_log=yes],
+ [
+ bird_tmp_libs="$LIBS"
+ LIBS="$LIBS -llog"
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM(
+ [ #include <sys/syslog.h> ],
+ [ syslog(0, ""); ]
+ )
+ ],
+ [bird_cv_lib_log=-llog],
+ [bird_cv_lib_log=no]
+ )
+ LIBS="$bird_tmp_libs"
+ ]
+ )
+ )
+])
+
+AC_DEFUN([BIRD_CHECK_LTO],
+[
+ bird_tmp_cflags="$CFLAGS"
+ bird_tmp_ldflags="$LDFLAGS"
+ CFLAGS="-flto"
+ LDFLAGS="-flto=4"
+
+ AC_CACHE_CHECK(
+ [whether link time optimizer is available],
+ [bird_cv_c_lto],
+ [
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM()],
+ [bird_cv_c_lto=yes],
+ [bird_cv_c_lto=no]
+ )
+ ]
+ )
+
+ CFLAGS="$bird_tmp_cflags"
+ LDFLAGS="$bird_tmp_ldflags"
+])
+
+
AC_DEFUN([BIRD_CHECK_GCC_OPTION],
[
bird_tmp_cflags="$CFLAGS"
)
esac
])
+
+AC_DEFUN([BIRD_CHECK_BISON_VERSION],
+[
+ $1=`bison --version | ( read line; echo ${line##* } )`
+ case "$$1" in
+ 1.* | 2.0* | 2.1* | 2.2* | 2.3*)
+ AC_MSG_ERROR([Provided Bison version $$1 is too old, need at least 2.4])
+ ;;
+ 2.*)
+ bird_bison_synclines=no
+ bird_bison_enhanced_error=no
+ ;;
+ 3.* | 4.* | 5.* | 6.* | 7.* | 8.* | 9.*)
+ bird_bison_synclines=yes
+ bird_bison_enhanced_error=yes
+ ;;
+ *)
+ AC_MSG_ERROR([Couldn't parse Bison version $$1. Call the developers for help.])
+ ;;
+ esac
+])