1132451Sroberto# Process this file with autoconf to produce a configure script. 2132451SrobertoAC_INIT(main.c) 3132451SrobertoAM_INIT_AUTOMAKE([msntp],[1.6]) 4132451SrobertoAC_CONFIG_SRCDIR([header.h]) 5182007SrobertoAC_CANONICAL_HOST 6182007SrobertoAM_CONFIG_HEADER(config.h) 7132451Sroberto 8132451Sroberto# Checks for programs. 9132451SrobertoAC_PROG_CC 10132451Sroberto 11182007Sroberto# So far, the only shared library we might use is libopts. 12182007Sroberto# It's a small library - we might as well use a static version of it. 13182007SrobertoAC_DISABLE_SHARED 14182007Sroberto 15200576Srobertom4_defun([_LT_AC_LANG_CXX_CONFIG], [:]) 16200576Srobertom4_defun([_LT_AC_LANG_F77_CONFIG], [:]) 17200576Sroberto 18182007SrobertoAC_PROG_LIBTOOL 19182007Sroberto 20182007Sroberto# NTP has (so far) been relying on leading-edge autogen. 21182007Sroberto# Therefore, by default: 22182007Sroberto# - use the version we ship with 23182007Sroberto# - do not install it 24182007Sroberto# - build a static copy (AC_DISABLE_SHARED - done earlier) 25182007Srobertocase "${enable_local_libopts+set}" in 26182007Sroberto set) ;; 27182007Sroberto *) enable_local_libopts=yes ;; 28182007Srobertoesac 29182007Srobertocase "${enable_libopts_install+set}" in 30182007Sroberto set) ;; 31182007Sroberto *) enable_libopts_install=no ;; 32182007Srobertoesac 33182007SrobertoLIBOPTS_CHECK 34182007Sroberto 35182007SrobertoAC_MSG_CHECKING([[if $CC can handle #warning]]) 36182007SrobertoAC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[#warning foo]])],[ac_cv_cpp_warning=yes],[ac_cv_cpp_warning=no]) 37182007SrobertoAC_MSG_RESULT([$ac_cv_cpp_warning]) 38182007Sroberto 39182007Srobertocase "$ac_cv_cpp_warning" in 40182007Sroberto no) 41182007Sroberto AC_DEFINE([NO_OPTION_NAME_WARNINGS], [1], [Should we avoid #warning on option name collisions?]) 42182007Sroberto AC_MSG_RESULT([[Enabling NO_OPTION_NAME_WARNINGS as #warning does not work]]) 43182007Sroberto ;; 44182007Srobertoesac 45182007Sroberto 46200576SrobertoAC_C_INLINE 47200576Sroberto 48200576Srobertocase "$ac_cv_c_inline" in 49200576Sroberto '') 50200576Sroberto ;; 51200576Sroberto *) 52200576Sroberto AC_DEFINE(HAVE_INLINE,1,[inline keyword or macro available]) 53200576Sroberto AC_SUBST(HAVE_INLINE) 54200576Srobertoesac 55200576Sroberto 56200576Sroberto 57132451Sroberto# Checks for libraries. 58132451Sroberto 59132451Sroberto# Checks for header files. 60132451SrobertoAC_HEADER_STDC 61132451SrobertoAC_CHECK_HEADERS([arpa/inet.h fcntl.h float.h limits.h netdb.h netinet/in.h stdlib.h string.h sys/socket.h sys/time.h syslog.h unistd.h]) 62132451Sroberto 63132451Sroberto# Checks for typedefs, structures, and compiler characteristics. 64132451SrobertoAC_C_CONST 65132451SrobertoAC_TYPE_SIZE_T 66132451SrobertoAC_HEADER_TIME 67132451SrobertoAC_STRUCT_TM 68132451Sroberto 69132451SrobertoAC_CACHE_CHECK([for ss_family field in struct sockaddr_storage], 70132451Sroberto ac_cv_have_ss_family_in_struct_ss, [ 71132451Sroberto AC_TRY_COMPILE( 72132451Sroberto [ 73132451Sroberto#include <sys/types.h> 74132451Sroberto#include <sys/socket.h> 75132451Sroberto ], 76132451Sroberto [ struct sockaddr_storage s; s.ss_family = 1; ], 77132451Sroberto [ ac_cv_have_ss_family_in_struct_ss="yes" ], 78132451Sroberto [ ac_cv_have_ss_family_in_struct_ss="no" ], 79132451Sroberto ) 80132451Sroberto]) 81182007Srobertocase "$ac_cv_have_ss_family_in_struct_ss" in 82182007Sroberto yes) 83182007Sroberto AC_DEFINE(HAVE_SS_FAMILY_IN_SS, 1, [Does struct sockaddr_storage have ss_family?]) 84182007Sroberto ;; 85182007Srobertoesac 86132451Sroberto 87132451SrobertoAC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage], 88132451Sroberto ac_cv_have___ss_family_in_struct_ss, [ 89132451Sroberto AC_TRY_COMPILE( 90132451Sroberto [ 91132451Sroberto#include <sys/types.h> 92132451Sroberto#include <sys/socket.h> 93132451Sroberto ], 94132451Sroberto [ struct sockaddr_storage s; s.__ss_family = 1; ], 95132451Sroberto [ ac_cv_have___ss_family_in_struct_ss="yes" ], 96132451Sroberto [ ac_cv_have___ss_family_in_struct_ss="no" ] 97132451Sroberto ) 98132451Sroberto]) 99182007Srobertocase "$ac_cv_have___ss_family_in_struct_ss" in 100182007Sroberto yes) 101182007Sroberto AC_DEFINE(HAVE___SS_FAMILY_IN_SS, 1, [Does struct sockaddr_storage have __ss_family?]) 102182007Sroberto ;; 103182007Srobertoesac 104132451Sroberto 105132451Srobertocase "$ac_cv_have_ss_family_in_struct_ss$ac_cv_have___ss_family_in_struct_ss" in 106132451Sroberto noyes) 107182007Sroberto AC_DEFINE_UNQUOTED([ss_family], [__ss_family], [normalize ss_family access]) 108182007Sroberto AC_DEFINE_UNQUOTED([ss_len], [__ss_len], [normalize ss_len access]) 109132451Sroberto ;; 110132451Srobertoesac 111132451Sroberto 112132451Sroberto# Checks for library functions. 113200576Sroberto#AC_FUNC_MEMCMP dnl HMS: we don't have a memcmp.c to use here, so why bother? 114132451SrobertoAC_FUNC_SETVBUF_REVERSED 115132451SrobertoAC_TYPE_SIGNAL 116132451SrobertoAC_CHECK_FUNCS([alarm]) 117200576SrobertoAC_CHECK_FUNC([gethostent], , AC_SEARCH_LIBS([gethostent], [nsl], , , [-lsocket])) 118132451SrobertoAC_CHECK_FUNCS([gettimeofday inet_ntoa memset]) 119200576SrobertoAC_CHECK_FUNCS([socket], , AC_SEARCH_LIBS([socket], [socket])) 120200576SrobertoAC_CHECK_FUNCS([sqrt], , AC_SEARCH_LIBS([sqrt], [m])) 121132451SrobertoAC_CHECK_FUNCS([strrchr]) 122132451Sroberto 123132451Srobertocase "$host" in 124182007Sroberto *-*-hpux10.*) # at least for hppa2.0-hp-hpux10.20 125182007Sroberto case "$GCC" in 126182007Sroberto yes) 127182007Sroberto ;; 128182007Sroberto *) CFLAGS="$CFLAGS -Wp,-H18816" 129182007Sroberto ;; 130182007Sroberto esac 131182007Sroberto ;; 132132451Sroberto *-*-linux*) 133132451Sroberto CFLAGS="$CFLAGS -DADJTIME_MISSING" 134132451Sroberto ;; 135132451Sroberto *-*-sunos*) 136132451Sroberto CFLAGS="$CFLAGS -DNONBLOCK_BROKEN" 137132451Sroberto ;; 138132451Srobertoesac 139132451Sroberto 140182007SrobertoAC_MSG_CHECKING(for bin subdirectory) 141182007SrobertoAC_ARG_WITH(binsubdir, 142182007Sroberto AC_HELP_STRING([--with-binsubdir], [bin ={bin,sbin}]), 143182007Sroberto use_binsubdir="$withval", use_binsubdir="bin") 144182007Sroberto 145182007Srobertocase "$use_binsubdir" in 146182007Sroberto bin) 147182007Sroberto ;; 148182007Sroberto sbin) 149182007Sroberto ;; 150182007Sroberto *) 151182007Sroberto AC_MSG_ERROR([<$use_binsubdir> is illegal - must be "bin" or "sbin"]) 152182007Sroberto ;; 153182007Srobertoesac 154182007SrobertoAC_MSG_RESULT($use_binsubdir) 155182007SrobertoBINSUBDIR=$use_binsubdir 156182007SrobertoAC_SUBST(BINSUBDIR) 157182007Sroberto 158132451SrobertoAC_CONFIG_FILES([Makefile]) 159132451SrobertoAC_OUTPUT 160