Annotation of embedaddon/bird2/aclocal.m4, revision 1.1
1.1 ! misho 1: dnl ** Additional Autoconf tests for BIRD configure script
! 2: dnl ** (c) 1999 Martin Mares <mj@ucw.cz>
! 3:
! 4: AC_DEFUN([BIRD_CHECK_THREAD_LOCAL],
! 5: [
! 6: AC_CACHE_CHECK(
! 7: [whether _Thread_local is known],
! 8: [bird_cv_thread_local],
! 9: AC_COMPILE_IFELSE([
! 10: AC_LANG_PROGRAM(
! 11: [
! 12: _Thread_local static int x = 42;
! 13: ],
! 14: []
! 15: )
! 16: ],
! 17: [bird_cv_thread_local=yes],
! 18: [bird_cv_thread_local=no]
! 19: )
! 20: )
! 21: ])
! 22:
! 23: AC_DEFUN([BIRD_CHECK_PTHREADS],
! 24: [
! 25: bird_tmp_cflags="$CFLAGS"
! 26: CFLAGS="$CFLAGS -pthread"
! 27:
! 28: AC_CACHE_CHECK(
! 29: [whether POSIX threads are available],
! 30: [bird_cv_lib_pthreads],
! 31: [
! 32: AC_LINK_IFELSE(
! 33: [
! 34: AC_LANG_PROGRAM(
! 35: [ #include <pthread.h> ],
! 36: [
! 37: pthread_t pt;
! 38: pthread_create(&pt, NULL, NULL, NULL);
! 39: pthread_spinlock_t lock;
! 40: pthread_spin_lock(&lock);
! 41: ]
! 42: )
! 43: ],
! 44: [bird_cv_lib_pthreads=yes],
! 45: [bird_cv_lib_pthreads=no]
! 46: )
! 47: ]
! 48: )
! 49:
! 50: CFLAGS="$bird_tmp_cflags"
! 51: ])
! 52:
! 53: AC_DEFUN([BIRD_CHECK_MPLS_KERNEL],
! 54: [
! 55: AC_CACHE_CHECK(
! 56: [for Linux MPLS headers],
! 57: [bird_cv_mpls_kernel],
! 58: [
! 59: AC_COMPILE_IFELSE(
! 60: [
! 61: AC_LANG_PROGRAM(
! 62: [
! 63: #include <linux/lwtunnel.h>
! 64: #include <linux/netlink.h>
! 65: #include <linux/rtnetlink.h>
! 66: #include <sys/socket.h>
! 67: void t(int arg);
! 68: ],
! 69: [
! 70: t(AF_MPLS);
! 71: t(RTA_VIA);
! 72: t(RTA_NEWDST);
! 73: t(RTA_ENCAP_TYPE);
! 74: t(RTA_ENCAP);
! 75: struct rtvia rtvia;
! 76: t(LWTUNNEL_ENCAP_MPLS);
! 77: ]
! 78: )
! 79: ],
! 80: [bird_cv_mpls_kernel=yes],
! 81: [bird_cv_mpls_kernel=no]
! 82: )
! 83: ]
! 84: )
! 85: ])
! 86:
! 87: AC_DEFUN([BIRD_CHECK_ANDROID_GLOB],
! 88: [
! 89: AC_CACHE_CHECK(
! 90: [for glob.h],
! 91: [bird_cv_lib_glob],
! 92: AC_LINK_IFELSE([
! 93: AC_LANG_PROGRAM(
! 94: [
! 95: #include <glob.h>
! 96: #include <stdlib.h>
! 97: ],
! 98: [ glob(NULL, 0, NULL, NULL); ]
! 99: )
! 100: ],
! 101: [bird_cv_lib_glob=yes],
! 102: [
! 103: bird_tmp_libs="$LIBS"
! 104: LIBS="$LIBS -landroid-glob"
! 105: AC_LINK_IFELSE([
! 106: AC_LANG_PROGRAM(
! 107: [
! 108: #include <glob.h>
! 109: #include <stdlib.h>
! 110: ],
! 111: [ glob(NULL, 0, NULL, NULL); ]
! 112: )
! 113: ],
! 114: [bird_cv_lib_glob=-landroid-glob],
! 115: [bird_cv_lib_glob=no]
! 116: )
! 117: LIBS="$bird_tmp_libs"
! 118: ]
! 119: )
! 120: )
! 121: ])
! 122:
! 123: AC_DEFUN([BIRD_CHECK_ANDROID_LOG],
! 124: [
! 125: AC_CACHE_CHECK(
! 126: [for syslog lib flags],
! 127: [bird_cv_lib_log],
! 128: AC_LINK_IFELSE([
! 129: AC_LANG_PROGRAM(
! 130: [ #include <sys/syslog.h> ],
! 131: [ syslog(0, ""); ]
! 132: )
! 133: ],
! 134: [bird_cv_lib_log=yes],
! 135: [
! 136: bird_tmp_libs="$LIBS"
! 137: LIBS="$LIBS -llog"
! 138: AC_LINK_IFELSE([
! 139: AC_LANG_PROGRAM(
! 140: [ #include <sys/syslog.h> ],
! 141: [ syslog(0, ""); ]
! 142: )
! 143: ],
! 144: [bird_cv_lib_log=-llog],
! 145: [bird_cv_lib_log=no]
! 146: )
! 147: LIBS="$bird_tmp_libs"
! 148: ]
! 149: )
! 150: )
! 151: ])
! 152:
! 153: AC_DEFUN([BIRD_CHECK_LTO],
! 154: [
! 155: bird_tmp_cflags="$CFLAGS"
! 156: bird_tmp_ldflags="$LDFLAGS"
! 157: CFLAGS="-flto"
! 158: LDFLAGS="-flto=4"
! 159:
! 160: AC_CACHE_CHECK(
! 161: [whether link time optimizer is available],
! 162: [bird_cv_c_lto],
! 163: [
! 164: AC_LINK_IFELSE(
! 165: [AC_LANG_PROGRAM()],
! 166: [bird_cv_c_lto=yes],
! 167: [bird_cv_c_lto=no]
! 168: )
! 169: ]
! 170: )
! 171:
! 172: CFLAGS="$bird_tmp_cflags"
! 173: LDFLAGS="$bird_tmp_ldflags"
! 174: ])
! 175:
! 176:
! 177: AC_DEFUN([BIRD_CHECK_GCC_OPTION],
! 178: [
! 179: bird_tmp_cflags="$CFLAGS"
! 180: CFLAGS="$3 $2"
! 181:
! 182: AC_CACHE_CHECK(
! 183: [whether CC supports $2],
! 184: [$1],
! 185: [
! 186: AC_COMPILE_IFELSE(
! 187: [AC_LANG_PROGRAM()],
! 188: [$1=yes],
! 189: [$1=no]
! 190: )
! 191: ]
! 192: )
! 193:
! 194: CFLAGS="$bird_tmp_cflags"
! 195: ])
! 196:
! 197: AC_DEFUN([BIRD_ADD_GCC_OPTION],
! 198: [
! 199: if test "$$1" = yes ; then
! 200: CFLAGS="$CFLAGS $2"
! 201: fi
! 202: ])
! 203:
! 204: # BIRD_CHECK_PROG_FLAVOR_GNU(PROGRAM-PATH, IF-SUCCESS, [IF-FAILURE])
! 205: # copied from autoconf internal _AC_PATH_PROG_FLAVOR_GNU
! 206: AC_DEFUN([BIRD_CHECK_PROG_FLAVOR_GNU],
! 207: [
! 208: # Check for GNU $1
! 209: case `"$1" --version 2>&1` in
! 210: *GNU*)
! 211: $2
! 212: ;;
! 213: m4_ifval([$3],
! 214: [*)
! 215: $3
! 216: ;;
! 217: ]
! 218: )
! 219: esac
! 220: ])
! 221:
! 222: AC_DEFUN([BIRD_CHECK_BISON_VERSION],
! 223: [
! 224: $1=`bison --version | ( read line; echo ${line##* } )`
! 225: case "$$1" in
! 226: 1.* | 2.0* | 2.1* | 2.2* | 2.3*)
! 227: AC_MSG_ERROR([Provided Bison version $$1 is too old, need at least 2.4])
! 228: ;;
! 229: 2.*)
! 230: bird_bison_synclines=no
! 231: bird_bison_enhanced_error=no
! 232: ;;
! 233: 3.* | 4.* | 5.* | 6.* | 7.* | 8.* | 9.*)
! 234: bird_bison_synclines=yes
! 235: bird_bison_enhanced_error=yes
! 236: ;;
! 237: *)
! 238: AC_MSG_ERROR([Couldn't parse Bison version $$1. Call the developers for help.])
! 239: ;;
! 240: esac
! 241: ])
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