From: Stephen Early Date: Wed, 6 Apr 2005 00:18:28 +0000 (+0100) Subject: autoconf-related updates from Ross Younger X-Git-Tag: chiark-0.1.17~5 X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=secnet.git;a=commitdiff_plain;h=f74f5f43b01514e32f51e30015a8c7d5c7dd1521 autoconf-related updates from Ross Younger configure.in: + require autoconf 2.50 + use new AC_INIT syntax (NB. This required me to specify an explicit package version number and maintainer address!) + fix linux/if.h header check + add some quoting + barf at configure time if gmp, fl or adns are missing + use new AC_LIBOBJ syntax for snprintf and getopt + include config.h fragments formerly in config.h.bot and config.h.top Makefile.in: distfiles and dependencies updated to suit. config.h.bot and config.h.top: removed. --- diff --git a/Makefile.in b/Makefile.in index 60e63cd..a6b851d 100644 --- a/Makefile.in +++ b/Makefile.in @@ -58,8 +58,8 @@ DISTFILES:=BUGS COPYING CREDITS INSTALL LICENSE.txt Makefile.in \ NEWS NOTES README TODO \ ac_prog_cc_no_writeable_strings.m4 \ conffile.c conffile.fl conffile.h conffile.y \ - conffile_internal.h config.h.bot \ - config.h.in config.h.top configure \ + conffile_internal.h \ + config.h.in configure \ configure.in depend.sh dh.c \ example.conf \ getopt.c getopt1.c getopt.h \ @@ -95,7 +95,7 @@ ${srcdir}/configure: configure.in # autoheader might not change config.h.in, so touch a stamp file. ${srcdir}/config.h.in: stamp-h.in -${srcdir}/stamp-h.in: configure.in config.h.top config.h.bot +${srcdir}/stamp-h.in: configure.in cd ${srcdir} && autoheader echo timestamp > ${srcdir}/stamp-h.in diff --git a/config.h.bot b/config.h.bot deleted file mode 100644 index bb24eb1..0000000 --- a/config.h.bot +++ /dev/null @@ -1,66 +0,0 @@ -/* -*- c -*- */ - -/* These are from config.h.bot, pasted onto the end of config.h.in. */ - -#ifdef HAVE_INTTYPES_H -#include -#else -#ifdef HAVE_STDINT_H -#include -#else -#if SIZEOF_UNSIGNED_LONG_LONG==8 -typedef unsigned long long uint64_t; -typedef long long int64_t; -#elif SIZEOF_UNSIGNED_LONG==8 -typedef unsigned long uint64_t; -typedef long int64_t; -#else -#error I do not know what to use for a uint64_t. -#endif - -/* Give us an unsigned 32-bit data type. */ -#if SIZEOF_UNSIGNED_LONG==4 -typedef unsigned long uint32_t; -typedef long int32_t; -#elif SIZEOF_UNSIGNED_INT==4 -typedef unsigned int uint32_t; -typedef int int32_t; -#else -#error I do not know what to use for a uint32_t. -#endif - -/* An unsigned 16-bit data type. */ -#if SIZEOF_UNSIGNED_INT==2 -typedef unsigned int uint16_t; -typedef int int16_t; -#elif SIZEOF_UNSIGNED_SHORT==2 -typedef unsigned short uint16_t; -typedef short int16_t; -#else -#error I do not know what to use for a uint16_t. -#endif - -/* An unsigned 8-bit data type */ -#if SIZEOF_UNSIGNED_CHAR==1 -typedef unsigned char uint8_t; -#else -#error I do not know what to use for a uint8_t. -#endif -#endif -#endif - -#ifndef HAVE_SNPRINTF -#include -#include -#include "snprintf.h" -#endif - -#ifdef __GNUC__ -#define NORETURN(_x) void _x __attribute__ ((noreturn)) -#define FORMAT(_a,_b,_c) __attribute__ ((format (_a,_b,_c))) -#else -#define NORETURN(_x) _x -#define FORMAT(_a,_b,_c) -#endif - -#endif /* _CONFIG_H */ diff --git a/config.h.in b/config.h.in index ec607ac..0a60337 100644 --- a/config.h.in +++ b/config.h.in @@ -1,89 +1,129 @@ -/* config.h.in. Generated automatically from configure.in by autoheader 2.13. */ +/* config.h.in. Generated from configure.in by autoheader. */ + + #ifndef _CONFIG_H #define _CONFIG_H -/* Define if you have the ANSI C header files. */ -#undef STDC_HEADERS +/* Define to 1 if you have the header file. */ +#undef HAVE_INTTYPES_H -/* Define if your processor stores words with the most significant - byte first (like Motorola and SPARC, unlike Intel and VAX). */ -#undef WORDS_BIGENDIAN +/* Define to 1 if you have the `adns' library (-ladns). */ +#undef HAVE_LIBADNS -/* The number of bytes in a unsigned char. */ -#undef SIZEOF_UNSIGNED_CHAR +/* Define to 1 if you have the `fl' library (-lfl). */ +#undef HAVE_LIBFL -/* The number of bytes in a unsigned int. */ -#undef SIZEOF_UNSIGNED_INT +/* Define to 1 if you have the `getopt' library (-lgetopt). */ +#undef HAVE_LIBGETOPT -/* The number of bytes in a unsigned long. */ -#undef SIZEOF_UNSIGNED_LONG +/* Define to 1 if you have the `gmp' library (-lgmp). */ +#undef HAVE_LIBGMP -/* The number of bytes in a unsigned long long. */ -#undef SIZEOF_UNSIGNED_LONG_LONG +/* Define to 1 if you have the `gmp2' library (-lgmp2). */ +#undef HAVE_LIBGMP2 -/* The number of bytes in a unsigned short. */ -#undef SIZEOF_UNSIGNED_SHORT +/* Define to 1 if you have the `gnugetopt' library (-lgnugetopt). */ +#undef HAVE_LIBGNUGETOPT -/* Define if you have the getopt_long function. */ -#undef HAVE_GETOPT_LONG +/* Define to 1 if you have the `nsl' library (-lnsl). */ +#undef HAVE_LIBNSL -/* Define if you have the snprintf function. */ -#undef HAVE_SNPRINTF +/* Define to 1 if you have the `resolv' library (-lresolv). */ +#undef HAVE_LIBRESOLV -/* Define if you have the header file. */ -#undef HAVE_INTTYPES_H +/* Define to 1 if you have the `socket' library (-lsocket). */ +#undef HAVE_LIBSOCKET -/* Define if you have the header file. */ +/* Define to 1 if you have the header file. */ #undef HAVE_LINUX_IF_H -/* Define if you have the header file. */ +/* Define to 1 if you have the header file. */ +#undef HAVE_MEMORY_H + +/* Define to 1 if you have the header file. */ #undef HAVE_NET_IF_H -/* Define if you have the header file. */ +/* Define to 1 if you have the header file. */ #undef HAVE_NET_IF_TUN_H -/* Define if you have the header file. */ +/* Define to 1 if you have the header file. */ #undef HAVE_NET_ROUTE_H -/* Define if you have the header file. */ +/* Define to 1 if you have the `snprintf' function. */ +#undef HAVE_SNPRINTF + +/* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H -/* Define if you have the header file. */ +/* Define to 1 if you have the header file. */ +#undef HAVE_STDLIB_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if you have the header file. */ #undef HAVE_STROPTS_H -/* Define if you have the header file. */ +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_SOCKET_H + +/* Define to 1 if you have the header file. */ #undef HAVE_SYS_SOCKIO_H -/* Define if you have the adns library (-ladns). */ -#undef HAVE_LIBADNS +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_STAT_H -/* Define if you have the fl library (-lfl). */ -#undef HAVE_LIBFL +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TYPES_H -/* Define if you have the getopt library (-lgetopt). */ -#undef HAVE_LIBGETOPT +/* Define to 1 if you have the header file. */ +#undef HAVE_UNISTD_H -/* Define if you have the gmp library (-lgmp). */ -#undef HAVE_LIBGMP +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT -/* Define if you have the gmp2 library (-lgmp2). */ -#undef HAVE_LIBGMP2 +/* Define to the full name of this package. */ +#undef PACKAGE_NAME -/* Define if you have the gnugetopt library (-lgnugetopt). */ -#undef HAVE_LIBGNUGETOPT +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING -/* Define if you have the nsl library (-lnsl). */ -#undef HAVE_LIBNSL +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* The size of a `unsigned char', as computed by sizeof. */ +#undef SIZEOF_UNSIGNED_CHAR + +/* The size of a `unsigned int', as computed by sizeof. */ +#undef SIZEOF_UNSIGNED_INT + +/* The size of a `unsigned long', as computed by sizeof. */ +#undef SIZEOF_UNSIGNED_LONG + +/* The size of a `unsigned long long', as computed by sizeof. */ +#undef SIZEOF_UNSIGNED_LONG_LONG + +/* The size of a `unsigned short', as computed by sizeof. */ +#undef SIZEOF_UNSIGNED_SHORT + +/* Define to 1 if you have the ANSI C header files. */ +#undef STDC_HEADERS + +/* Define to 1 if your processor stores words with the most significant byte + first (like Motorola and SPARC, unlike Intel and VAX). */ +#undef WORDS_BIGENDIAN -/* Define if you have the resolv library (-lresolv). */ -#undef HAVE_LIBRESOLV -/* Define if you have the socket library (-lsocket). 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Generated automatically by configure. */" > conftest.h - cat conftest.in >> conftest.h - rm -f conftest.in - if cmp -s $ac_file conftest.h 2>/dev/null; then - echo "$ac_file is unchanged" - rm -f conftest.h - else - # Remove last slash and all that follows it. Not all systems have dirname. - ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'` - if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then - # The file is in a subdirectory. - test ! -d "$ac_dir" && mkdir "$ac_dir" - fi - rm -f $ac_file - mv conftest.h $ac_file - fi -fi; done - -EOF -cat >> $CONFIG_STATUS <> $CONFIG_STATUS <<\EOF -echo timestamp >stamp-h -exit 0 -EOF -chmod +x $CONFIG_STATUS -rm -fr confdefs* $ac_clean_files -test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1 - diff --git a/configure.in b/configure.in index cda2a2b..3970809 100644 --- a/configure.in +++ b/configure.in @@ -2,9 +2,11 @@ dnl Process this file with autoconf to produce a configure script. sinclude(ac_prog_cc_no_writeable_strings.m4) -AC_INIT(secnet.c) +AC_INIT(secnet,0.1.16+,secnet@chiark.greenend.org.uk) +AC_CONFIG_SRCDIR(secnet.c) AC_CONFIG_HEADER(config.h) +AC_PREREQ(2.50) AC_REVISION($Id: configure.in,v 1.4 2002/09/09 22:05:02 steve Exp $) AC_LANG_C @@ -14,10 +16,15 @@ AC_PROG_CC AC_PROG_INSTALL AC_PATH_PROG(RM,rm) AC_STDC_HEADERS -AC_CHECK_HEADERS(stdint.h inttypes.h) -AC_CHECK_HEADERS(net/if.h net/route.h) -AC_CHECK_HEADERS(linux/if.h) -AC_CHECK_HEADERS(stropts.h sys/sockio.h net/if_tun.h) +AC_CHECK_HEADERS([stdint.h inttypes.h]) +AC_CHECK_HEADERS([net/if.h net/route.h]) +AC_CHECK_HEADERS([sys/socket.h]) +AC_CHECK_HEADERS([linux/if.h], [], [], +[#if HAVE_SYS_SOCKET_H +# include +#endif +]) +AC_CHECK_HEADERS([stropts.h sys/sockio.h net/if_tun.h]) AC_C_BIGENDIAN AC_CHECK_SIZEOF(unsigned long long) AC_CHECK_SIZEOF(unsigned long) @@ -26,22 +33,104 @@ AC_CHECK_SIZEOF(unsigned short) AC_CHECK_SIZEOF(unsigned char) AC_PROG_CC_NO_WRITEABLE_STRINGS(WRITESTRINGS) +AC_DEFUN([REQUIRE_HEADER],[AC_CHECK_HEADER($1,,[AC_MSG_ERROR($1 not found)])]) + dnl the order in which libraries is checked is important dnl eg. adns on Solaris 2.5.1 depends on -lnsl and -lsocket AC_CHECK_LIB(gmp,mpz_init_set_str) AC_CHECK_LIB(gmp2,mpz_init_set_str) AC_CHECK_LIB(gmp,__gmpz_init_set_str) +REQUIRE_HEADER([gmp.h]) +dnl Would love to barf if no gmp was found, but how to test? Requiring the header will do for now. AC_CHECK_LIB(fl,yywrap) +if test "$ac_cv_lib_fl_yywrap" != yes; then + AC_MSG_ERROR([A compatible libfl is required]) +fi AC_CHECK_LIB(nsl,inet_ntoa) AC_CHECK_LIB(getopt,getopt_long) AC_CHECK_LIB(gnugetopt,getopt_long) AC_CHECK_LIB(socket,socket) AC_CHECK_LIB(resolv,inet_aton) AC_CHECK_LIB(adns,adns_init) +REQUIRE_HEADER([adns.h]) dnl check for getopt in standard library -AC_SUBST(LIBOBJS) -AC_CHECK_FUNCS(getopt_long , , [LIBOBJS="$LIBOBJS getopt.o getopt1.o"] ) -AC_CHECK_FUNCS(snprintf , , [LIBOBJS="$LIBOBJS snprintf.o"] ) +AC_REPLACE_FUNCS([snprintf]) +AC_CHECK_FUNC([getopt_long], [], [AC_LIBOBJ([getopt]) + AC_LIBOBJ([getopt1])]) AC_OUTPUT(Makefile,echo timestamp >stamp-h) + +AH_TOP([ +#ifndef _CONFIG_H +#define _CONFIG_H +]) + +AH_BOTTOM([ +/* -*- c -*- */ + +/* These used to be in config.h.bot, but are now in configure.in. */ + +#ifdef HAVE_INTTYPES_H +#include +#else +#ifdef HAVE_STDINT_H +#include +#else +#if SIZEOF_UNSIGNED_LONG_LONG==8 +typedef unsigned long long uint64_t; +typedef long long int64_t; +#elif SIZEOF_UNSIGNED_LONG==8 +typedef unsigned long uint64_t; +typedef long int64_t; +#else +#error I do not know what to use for a uint64_t. +#endif + +/* Give us an unsigned 32-bit data type. */ +#if SIZEOF_UNSIGNED_LONG==4 +typedef unsigned long uint32_t; +typedef long int32_t; +#elif SIZEOF_UNSIGNED_INT==4 +typedef unsigned int uint32_t; +typedef int int32_t; +#else +#error I do not know what to use for a uint32_t. +#endif + +/* An unsigned 16-bit data type. */ +#if SIZEOF_UNSIGNED_INT==2 +typedef unsigned int uint16_t; +typedef int int16_t; +#elif SIZEOF_UNSIGNED_SHORT==2 +typedef unsigned short uint16_t; +typedef short int16_t; +#else +#error I do not know what to use for a uint16_t. +#endif + +/* An unsigned 8-bit data type */ +#if SIZEOF_UNSIGNED_CHAR==1 +typedef unsigned char uint8_t; +#else +#error I do not know what to use for a uint8_t. +#endif +#endif +#endif + +#ifndef HAVE_SNPRINTF +#include +#include +#include "snprintf.h" +#endif + +#ifdef __GNUC__ +#define NORETURN(_x) void _x __attribute__ ((noreturn)) +#define FORMAT(_a,_b,_c) __attribute__ ((format (_a,_b,_c))) +#else +#define NORETURN(_x) _x +#define FORMAT(_a,_b,_c) +#endif + +#endif /* _CONFIG_H */ +])