mirror of
https://gitlab.nic.cz/labs/bird.git
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108c4cfaf3
Joined BIRD_CHECK_GCC_OPTION and BIRD_ADD_GCC_OPTION.
248 lines
4.4 KiB
Plaintext
248 lines
4.4 KiB
Plaintext
dnl ** Additional Autoconf tests for BIRD configure script
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dnl ** (c) 1999 Martin Mares <mj@ucw.cz>
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AC_DEFUN([BIRD_CHECK_THREAD_LOCAL],
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[
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AC_CACHE_CHECK(
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[whether _Thread_local is known],
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[bird_cv_thread_local],
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM(
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[
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_Thread_local static int x = 42;
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],
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[]
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)
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],
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[bird_cv_thread_local=yes],
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[bird_cv_thread_local=no]
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)
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)
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])
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AC_DEFUN([BIRD_CHECK_PTHREADS],
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[
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bird_tmp_cflags="$CFLAGS"
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CFLAGS="$CFLAGS -pthread"
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AC_CACHE_CHECK(
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[whether POSIX threads are available],
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[bird_cv_lib_pthreads],
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[
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AC_LINK_IFELSE(
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[
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AC_LANG_PROGRAM(
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[ #include <pthread.h> ],
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[
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pthread_t pt;
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pthread_create(&pt, NULL, NULL, NULL);
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pthread_spinlock_t lock;
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pthread_spin_lock(&lock);
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]
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)
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],
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[bird_cv_lib_pthreads=yes],
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[bird_cv_lib_pthreads=no]
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)
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]
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)
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CFLAGS="$bird_tmp_cflags"
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])
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AC_DEFUN([BIRD_CHECK_MPLS_KERNEL],
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[
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AC_CACHE_CHECK(
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[for Linux MPLS headers],
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[bird_cv_mpls_kernel],
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[
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AC_COMPILE_IFELSE(
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[
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AC_LANG_PROGRAM(
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[
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#include <linux/lwtunnel.h>
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#include <linux/netlink.h>
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#include <linux/rtnetlink.h>
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#include <sys/socket.h>
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void t(int arg);
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],
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[
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t(AF_MPLS);
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t(RTA_VIA);
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t(RTA_NEWDST);
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t(RTA_ENCAP_TYPE);
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t(RTA_ENCAP);
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struct rtvia rtvia;
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t(LWTUNNEL_ENCAP_MPLS);
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]
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)
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],
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[bird_cv_mpls_kernel=yes],
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[bird_cv_mpls_kernel=no]
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)
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]
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)
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])
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AC_DEFUN([BIRD_CHECK_ANDROID_GLOB],
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[
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AC_CACHE_CHECK(
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[for glob.h],
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[bird_cv_lib_glob],
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AC_LINK_IFELSE([
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AC_LANG_PROGRAM(
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[
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#include <glob.h>
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#include <stdlib.h>
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],
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[ glob(NULL, 0, NULL, NULL); ]
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)
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],
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[bird_cv_lib_glob=yes],
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[
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bird_tmp_libs="$LIBS"
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LIBS="$LIBS -landroid-glob"
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AC_LINK_IFELSE([
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AC_LANG_PROGRAM(
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[
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#include <glob.h>
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#include <stdlib.h>
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],
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[ glob(NULL, 0, NULL, NULL); ]
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)
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],
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[bird_cv_lib_glob=-landroid-glob],
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[bird_cv_lib_glob=no]
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)
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LIBS="$bird_tmp_libs"
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]
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)
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)
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])
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AC_DEFUN([BIRD_CHECK_ANDROID_LOG],
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[
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AC_CACHE_CHECK(
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[for syslog lib flags],
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[bird_cv_lib_log],
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AC_LINK_IFELSE([
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AC_LANG_PROGRAM(
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[ #include <sys/syslog.h> ],
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[ syslog(0, ""); ]
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)
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],
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[bird_cv_lib_log=yes],
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[
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bird_tmp_libs="$LIBS"
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LIBS="$LIBS -llog"
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AC_LINK_IFELSE([
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AC_LANG_PROGRAM(
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[ #include <sys/syslog.h> ],
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[ syslog(0, ""); ]
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)
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],
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[bird_cv_lib_log=-llog],
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[bird_cv_lib_log=no]
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)
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LIBS="$bird_tmp_libs"
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]
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)
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)
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])
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AC_DEFUN([BIRD_CHECK_LTO],
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[
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bird_tmp_cflags="$CFLAGS"
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bird_tmp_ldflags="$LDFLAGS"
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CFLAGS="-flto"
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LDFLAGS="-flto=4"
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AC_CACHE_CHECK(
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[whether link time optimizer is available],
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[bird_cv_c_lto],
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[
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM()],
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[bird_cv_c_lto=yes],
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[bird_cv_c_lto=no]
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)
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]
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)
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CFLAGS="$bird_tmp_cflags"
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LDFLAGS="$bird_tmp_ldflags"
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])
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AC_DEFUN([BIRD_CHECK_GCC_OPTION],
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[
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bird_tmp_cflags="$CFLAGS"
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CFLAGS="$3 $2"
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AC_CACHE_CHECK(
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[whether CC supports $2],
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[$1],
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[
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM()],
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[$1=yes],
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[$1=no]
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)
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]
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)
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CFLAGS="$bird_tmp_cflags"
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])
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AC_DEFUN([BIRD_ADD_GCC_OPTION],
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[
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if test "$$1" = yes ; then
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CFLAGS="$CFLAGS $2"
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fi
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])
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AC_DEFUN([BIRD_CHECK_AND_ADD_GCC_OPTION],
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[
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BIRD_CHECK_GCC_OPTION($@)
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BIRD_ADD_GCC_OPTION($1,$2)
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])
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# BIRD_CHECK_PROG_FLAVOR_GNU(PROGRAM-PATH, IF-SUCCESS, [IF-FAILURE])
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# copied from autoconf internal _AC_PATH_PROG_FLAVOR_GNU
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AC_DEFUN([BIRD_CHECK_PROG_FLAVOR_GNU],
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[
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# Check for GNU $1
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case `"$1" --version 2>&1` in
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*GNU*)
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$2
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;;
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m4_ifval([$3],
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[*)
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$3
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;;
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]
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)
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esac
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])
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AC_DEFUN([BIRD_CHECK_BISON_VERSION],
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[
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$1=`bison --version | ( read line; echo ${line##* } )`
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case "$$1" in
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1.* | 2.0* | 2.1* | 2.2* | 2.3*)
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AC_MSG_ERROR([Provided Bison version $$1 is too old, need at least 2.4])
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;;
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2.*)
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bird_bison_synclines=no
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bird_bison_enhanced_error=no
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;;
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3.* | 4.* | 5.* | 6.* | 7.* | 8.* | 9.*)
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bird_bison_synclines=yes
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bird_bison_enhanced_error=yes
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;;
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*)
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AC_MSG_ERROR([Couldn't parse Bison version $$1. Call the developers for help.])
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;;
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esac
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])
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